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grains</title> <meta name="description" content="Search results for: grains"> <meta name="keywords" content="grains"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="grains"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 366</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: grains</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">366</span> Investigation in Gassy Ozone Influence on Flaxes Made from Biologically Activated Whole Wheat Grains Quality Parameters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tatjana%20Rakcejeva">Tatjana Rakcejeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Jelena%20Zagorska"> Jelena Zagorska</a>, <a href="https://publications.waset.org/abstracts/search?q=Elina%20Zvezdina"> Elina Zvezdina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the current research was to investigate the gassy ozone effect on quality parameters of flaxes made form whole biologically activated wheat grains. The research was accomplished on in year 2012 harvested wheat grains variety ′Zentos′. Grains were washed, wetted; grain biological activation was performed in the climatic chamber up to 24 hours. After biological activation grains was compressed; than flaxes was dried in convective drier till constant moisture content 9±1%. For grain treatment gassy ozone concentration as 0.0002% and treatment time – 6 min was used. In the processed flaxes the content of A and G tocopherol decrease by 23% and by 9%; content of B2 and B6 vitamins – by 11% and by 10%; elaidic acid – by 46%, oleic acid – by 29%; arginine (by 80%), glutamine (by 74%), asparagine and serine (by 68%), valine (by 62%), cysteine (by 54%) and tyrosine (by 47%). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gassy%20ozone" title="gassy ozone">gassy ozone</a>, <a href="https://publications.waset.org/abstracts/search?q=flaxes" title=" flaxes"> flaxes</a>, <a href="https://publications.waset.org/abstracts/search?q=biologically%20activated%20grains" title=" biologically activated grains"> biologically activated grains</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20parameters" title=" quality parameters"> quality parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment" title=" treatment"> treatment</a> </p> <a href="https://publications.waset.org/abstracts/5203/investigation-in-gassy-ozone-influence-on-flaxes-made-from-biologically-activated-whole-wheat-grains-quality-parameters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">236</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">365</span> The Effects of Soil Chemical Characteristics on Accumulation of Native Selenium by Zea mays Grains in Maize Belt in Kenya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20B.%20Otieno">S. B. Otieno</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20S.%20Jayne"> T. S. Jayne</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Muyanga"> M. Muyanga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Selenium which is an-antioxidant is important for human health enters food chain through crops. In Kenya Zea mays is consumed by 96% of population hence is a cheap and convenient method to provide selenium to large number of population. Several soil factors are known to have antagonistic effects on selenium speciation hence the uptake by Zea mays. No investigation in Kenya has been done to determine the effects of soil characteristics (pH, Tcarbon, CEC, Eh) affect accumulation of selenium in Zea mays grains in Maize Belt in Kenya. About 100 Zea mays grain samples together with 100 soil samples were collected from the study site, put in separate labeled Ziplocs and were transported to laboratories at room temperature for analysis. Maize grains were analyzed for selenium while soil samples were analyzed for pH, Cat Ion Exchange Capacity, total carbon, and electrical conductivity. The mean selenium in Zea mays grains varied from 1.82 ± 0.76 mg/Kg to 11±0.86 mg/Kg. There was no significant difference between selenium levels between different grain batches {χ (Df =76) = 26.04 P= 1.00} The pH levels varied from 5.43± 0.58 to 5.85± 0.32. No significant correlations between selenium in grains and soil pH (Pearson’s correlations = - 0.143), and between selenium levels in grains and the four (pH,Tcarbon,CEC,Eh) soil chemical characteristics {F (4,91) = 0.721 p = 0.579} was observed.It can be concluded that the soil chemical characteristics in the study site did not significantly affect the accumulation of native selenium in Zea mays grains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=maize" title="maize">maize</a>, <a href="https://publications.waset.org/abstracts/search?q=native" title=" native"> native</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/abstracts/search?q=selenium" title=" selenium"> selenium</a> </p> <a href="https://publications.waset.org/abstracts/38115/the-effects-of-soil-chemical-characteristics-on-accumulation-of-native-selenium-by-zea-mays-grains-in-maize-belt-in-kenya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38115.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">456</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">364</span> Determination of Phytostearol in Serial Grains</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sumonthip%20Kongtun%20Janphuk">Sumonthip Kongtun Janphuk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ten cereal grains that usually used as ingredients in healthy products were studied for phytosteryl glucoside contents. β-sitosteryl glucoside in 10 cereal grains, including Phasecolus vulgaris L. (kidney bean), Sorghum bicolor (sorghum), Moringa oleifera Lam. (drumstick), Nelumbo nucifera (lotus), Vigna radiate L. (mung bean), Coix lacrymajobi (job’tears), Oryza sativa. (red rice), Glycine max L. Merrill. (soybean),Cucurbita maschata Decne (pumpkin) and Helianthas annuus (sunflower seeds), were analyzed using Thin-layer chromatography (TLC) and High-Performance liquid chromatography (HPLC). All grains were extracted with methanol before analysis. Red bean showed the maximum phytosteryl glucoside content of 0.42% w/w. The content of others were as follows: pumpkin seed 0.173%, mung bean 0.099 %, soybean 0.07%, dried moringa seed 0.067%, lotus seed 0.044%, sorghum 0.032%, sunflower seed 0.016%, Job's tears 0.012%, and brown rice 0.006%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cereal%20grains" title="cereal grains">cereal grains</a>, <a href="https://publications.waset.org/abstracts/search?q=phytosterol" title=" phytosterol"> phytosterol</a>, <a href="https://publications.waset.org/abstracts/search?q=%CE%B2-sitosteryl%20glucoside" title=" β-sitosteryl glucoside"> β-sitosteryl glucoside</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20analysis." title=" food analysis. "> food analysis. </a> </p> <a href="https://publications.waset.org/abstracts/27430/determination-of-phytostearol-in-serial-grains" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27430.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">388</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">363</span> Heat Treatment of Additively Manufactured Hybrid Rocket Fuel Grains</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jim%20J.%20Catina">Jim J. Catina</a>, <a href="https://publications.waset.org/abstracts/search?q=Jackee%20M.%20Gwynn"> Jackee M. Gwynn</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20S.%20Kang"> Jin S. Kang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Additive manufacturing (AM) for hybrid rocket engines is becoming increasingly attractive due to its ability to create complex grain configurations with improved regression rates when compared to cast grains. However, the presence of microvoids in parts produced through the additive manufacturing method of Fused Deposition Modeling (FDM) results in a lower fuel density and is believed to cause a decrease in regression rate compared to ideal performance. In this experiment, FDM was used to create hybrid rocket fuel grains with a star configuration composed of acrylonitrile butadiene styrene (ABS). Testing was completed to determine the effect of heat treatment as a post-processing method to improve the combustion performance of hybrid rocket fuel grains manufactured by FDM. For control, three ABS star configuration grains were printed using FDM and hot fired using gaseous oxygen (GOX) as the oxidizer. Parameters such as thrust and mass flow rate were measured. Three identical grains were then heat treated to varying degrees and hot fired under the same conditions as the control grains. This paper will quantitatively describe the amount of improvement in engine performance as a result of heat treatment of the AM hybrid fuel grain. Engine performance is measured in this paper by specific impulse, which is determined from the thrust measurements collected in testing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acrylonitrile%20butadiene%20styrene" title="acrylonitrile butadiene styrene">acrylonitrile butadiene styrene</a>, <a href="https://publications.waset.org/abstracts/search?q=additive%20manufacturing" title=" additive manufacturing"> additive manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=fused%20deposition%20modeling" title=" fused deposition modeling"> fused deposition modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20treatment" title=" heat treatment"> heat treatment</a> </p> <a href="https://publications.waset.org/abstracts/157623/heat-treatment-of-additively-manufactured-hybrid-rocket-fuel-grains" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157623.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">117</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">362</span> Some Yield Parameters of Wheat Genotypes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shatha%20A.%20Yousif">Shatha A. Yousif</a>, <a href="https://publications.waset.org/abstracts/search?q=Hatem%20Jasim"> Hatem Jasim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20R.%20Abas"> Ali R. Abas</a>, <a href="https://publications.waset.org/abstracts/search?q=Dheya%20P.%20Yousef"> Dheya P. Yousef</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To study the effect of the cross direction in bead wheat, three hybrid combinations (Babyle 113 , Iratome), (Sawa , Tamose2) and (Al Hashymya Al Iraq) were tested for plant height, number of tillers/m, number of grains per spike, weight of grains per spike, 1000-grain weight and grain yield. The results revealed that the direction of the cross had significant effect the number of grain/spike, tillers/m and grain yields. Grain yield was positively and significantly correlated with 1000-grain weight, number of grains per spike and tillers. Depend on the result of heritability and genetic advance it was suggested that 1000-grain weight number of grains per spike and tillers should be given emphasis for future wheat yield improvement programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=correlation" title="correlation">correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20advance" title=" genetic advance"> genetic advance</a>, <a href="https://publications.waset.org/abstracts/search?q=heritability" title=" heritability"> heritability</a>, <a href="https://publications.waset.org/abstracts/search?q=wheat" title=" wheat"> wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=yield%20traits" title=" yield traits"> yield traits</a> </p> <a href="https://publications.waset.org/abstracts/25715/some-yield-parameters-of-wheat-genotypes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25715.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">429</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">361</span> In vitro Method to Evaluate the Effect of Steam-Flaking on the Quality of Common Cereal Grains</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wanbao%20Chen">Wanbao Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Qianqian%20Yao"> Qianqian Yao</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhenming%20Zhou"> Zhenming Zhou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Whole grains with intact pericarp are largely resistant to digestion by ruminants because entire kernels are not conducive to bacterial attachment. But processing methods makes the starch more accessible to microbes, and increases the rate and extent of starch degradation in the rumen. To estimate the feasibility of applying a steam-flaking as the processing technique of grains for ruminants, cereal grains (maize, wheat, barley and sorghum) were processed by steam-flaking (steam temperature 105°C, heating time, 45 min). And chemical analysis, in vitro gas production, volatile fatty acid concentrations, and energetic values were adopted to evaluate the effects of steam-flaking. In vitro cultivation was conducted for 48h with the rumen fluid collected from steers fed a total mixed ration consisted of 40% hay and 60% concentrates. The results showed that steam-flaking processing had a significant effect on the contents of neutral detergent fiber and acid detergent fiber (P < 0.01). The concentration of starch gelatinization degree in all grains was also great improved in steam-flaking grains, as steam-flaking processing disintegrates the crystal structure of cereal starch, which may subsequently facilitate absorption of moisture and swelling. Theoretical maximum gas production after steam-flaking processing showed no great difference. However, compared with intact grains, total gas production at 48 h and the rate of gas production were significantly (P < 0.01) increased in all types of grain. Furthermore, there was no effect of steam-flaking processing on total volatile fatty acid, but a decrease in the ratio between acetate and propionate was observed in the current in vitro fermentation. The present study also found that steam-flaking processing increased (P < 0.05) organic matter digestibility and energy concentration of the grains. The collective findings of the present study suggest that steam-flaking processing of grains could improve their rumen fermentation and energy utilization by ruminants. In conclusion, the utilization of steam-flaking would be practical to improve the quality of common cereal grains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cereal%20grains" title="cereal grains">cereal grains</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20production" title=" gas production"> gas production</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vitro%20rumen%20fermentation" title=" in vitro rumen fermentation"> in vitro rumen fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=steam-flaking%20processing" title=" steam-flaking processing"> steam-flaking processing</a> </p> <a href="https://publications.waset.org/abstracts/72557/in-vitro-method-to-evaluate-the-effect-of-steam-flaking-on-the-quality-of-common-cereal-grains" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72557.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">270</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">360</span> Sorghum Grains Grading for Food, Feed, and Fuel Using NIR Spectroscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Irsa%20Ejaz">Irsa Ejaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Siyang%20He"> Siyang He</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Li"> Wei Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Naiyue%20Hu"> Naiyue Hu</a>, <a href="https://publications.waset.org/abstracts/search?q=Chaochen%20Tang"> Chaochen Tang</a>, <a href="https://publications.waset.org/abstracts/search?q=Songbo%20Li"> Songbo Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Meng%20Li"> Meng Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Boubacar%20Diallo"> Boubacar Diallo</a>, <a href="https://publications.waset.org/abstracts/search?q=Guanghui%20Xie"> Guanghui Xie</a>, <a href="https://publications.waset.org/abstracts/search?q=Kang%20Yu"> Kang Yu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Near-infrared spectroscopy (NIR) is a non-destructive, fast, and low-cost method to measure the grain quality of different cereals. Previously reported NIR model calibrations using the whole grain spectra had moderate accuracy. Improved predictions are achievable by using the spectra of whole grains, when compared with the use of spectra collected from the flour samples. However, the feasibility for determining the critical biochemicals, related to the classifications for food, feed, and fuel products are not adequately investigated. Objectives: To evaluate the feasibility of using NIRS and the influence of four sample types (whole grains, flours, hulled grain flours, and hull-less grain flours) on the prediction of chemical components to improve the grain sorting efficiency for human food, animal feed, and biofuel. Methods: NIR was applied in this study to determine the eight biochemicals in four types of sorghum samples: hulled grain flours, hull-less grain flours, whole grains, and grain flours. A total of 20 hybrids of sorghum grains were selected from the two locations in China. Followed by NIR spectral and wet-chemically measured biochemical data, partial least squares regression (PLSR) was used to construct the prediction models. Results: The results showed that sorghum grain morphology and sample format affected the prediction of biochemicals. Using NIR data of grain flours generally improved the prediction compared with the use of NIR data of whole grains. In addition, using the spectra of whole grains enabled comparable predictions, which are recommended when a non-destructive and rapid analysis is required. Compared with the hulled grain flours, hull-less grain flours allowed for improved predictions for tannin, cellulose, and hemicellulose using NIR data. Conclusion: The established PLSR models could enable food, feed, and fuel producers to efficiently evaluate a large number of samples by predicting the required biochemical components in sorghum grains without destruction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FT-NIR" title="FT-NIR">FT-NIR</a>, <a href="https://publications.waset.org/abstracts/search?q=sorghum%20grains" title=" sorghum grains"> sorghum grains</a>, <a href="https://publications.waset.org/abstracts/search?q=biochemical%20composition" title=" biochemical composition"> biochemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=food" title=" food"> food</a>, <a href="https://publications.waset.org/abstracts/search?q=feed" title=" feed"> feed</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel" title=" fuel"> fuel</a>, <a href="https://publications.waset.org/abstracts/search?q=PLSR" title=" PLSR"> PLSR</a> </p> <a href="https://publications.waset.org/abstracts/171948/sorghum-grains-grading-for-food-feed-and-fuel-using-nir-spectroscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/171948.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">69</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">359</span> Effect of Viscosity on Void Structure in Dusty Plasma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=El%20Amine%20Nebbat">El Amine Nebbat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A void is a dust-free region in dusty plasma, a medium formed of electrons, ions, and charged dust (grain). This structure appears in multiple experimental works. Several researchers have developed models to understand it. Recently, Nebbat and Annou proposed a nonlinear model that describes the void in non-viscos plasma, where the particles of the dusty plasma are treated as a fluid. In fact, the void appears even in dense dusty plasma where viscosity exists through the strong interaction between grains, so in this work, we augment the nonlinear model of Nebbat and Annou by introducing viscosity into the fluid equations. The analysis of the data of the numerical resolution confirms the important effect of this parameter (viscosity). The study revealed that the viscosity increases the dimension of the void for certain dimensions of the grains, and its effect on the value of the density of the grains at the boundary of the void is inversely proportional to their radii, i.e., this density increase for submicron grains and decrease for others. Finally, this parameter reduces the rings of dust density which surround the void. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=voids" title="voids">voids</a>, <a href="https://publications.waset.org/abstracts/search?q=dusty%20plasmas" title=" dusty plasmas"> dusty plasmas</a>, <a href="https://publications.waset.org/abstracts/search?q=variable%20charge" title=" variable charge"> variable charge</a>, <a href="https://publications.waset.org/abstracts/search?q=density" title=" density"> density</a>, <a href="https://publications.waset.org/abstracts/search?q=viscosity" title=" viscosity"> viscosity</a> </p> <a href="https://publications.waset.org/abstracts/181453/effect-of-viscosity-on-void-structure-in-dusty-plasma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181453.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">57</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">358</span> Determination of Mineral Elements in Some Coarse Grains Used as Staple Food in Kano, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20I.%20Mohammed">M. I. Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20M.%20Ahmad"> U. M. Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Analyses of mineral elements were carried out on some coarse grains used as staple food in Kano. The levels of Magnesium, Calcium, Manganese, Iron, Copper and Zinc were determined using atomic absorption spectrophotometer (AAS), and that of Sodium and Potassium were obtained using flame photometer (FES). The result of the study shows that the mean results of the mineral elements ranged from 62.50±0.55 - 84.82±0.74mg/kg sodium, 73.33±0.35 - 317±0.10mg/kg magnesium, 89.22±0.26 - 193.33±0.19mg/kg potassium, 70.00±0.52 - 186.67±0.29mg/kg calcium, 1.00±0.11 - 20.50±1.30mg/kg manganese, 25.00±0.11 - 80.50±0.36mg/kg iron. 4.00±0.08 - 13.00±0.24mg/kg copper and 15.00±0.34 - 50.50±0.24 zinc. There was significant difference (p < 0.05) in levels of sodium, potassium and calcium whereas no significant difference (p > 0.05) occurs in levels of magnesium, manganese, copper and zinc. In comparison with Recommended Daily Allowances of essential and trace metals set by international standard organizations, the coarse grains analysed in this work contribute little to the provision of essential and trace elements requirements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mineral%20elements" title="mineral elements">mineral elements</a>, <a href="https://publications.waset.org/abstracts/search?q=coarse%20grains" title=" coarse grains"> coarse grains</a>, <a href="https://publications.waset.org/abstracts/search?q=staple%20food" title=" staple food"> staple food</a>, <a href="https://publications.waset.org/abstracts/search?q=Kano" title=" Kano"> Kano</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a> </p> <a href="https://publications.waset.org/abstracts/41203/determination-of-mineral-elements-in-some-coarse-grains-used-as-staple-food-in-kano-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41203.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">276</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">357</span> In Vitro Digestibility of Grains and Straw of Seventeen Ecotypes of Bitter Vetch (Vicia ervilia) in the North of Morocco</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boukrouh%20Soumaya">Boukrouh Soumaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Cabaraux%20Jean-Fran%C3%A7ois"> Cabaraux Jean-François</a>, <a href="https://publications.waset.org/abstracts/search?q=Avril%20Claire"> Avril Claire</a>, <a href="https://publications.waset.org/abstracts/search?q=Noutfia%20Ali"> Noutfia Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Chentouf%20Mouad"> Chentouf Mouad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The introduction of marginal leguminous forage species in the diet of ruminants are of great importance. Bitter vetch is a good source of proteins, highly resistant against drought and poor soil conditions. Accordingly; two years field trials (2018/2019 and 2019-2020) were conducted to determine the digestibility of straw and grains of 17 promising bitter vetch ecotypes(Vicia ervilia) in the north of Morocco. In vitro dry and organic matter digestibility, gas production, and kinetics of fermentation of grains and straw were evaluated using gas production technique, pepsin-cellulase enzymatic digestibility of DM (CDDM)and OM (CDOM), as well as protease enzymatic CP degradation (CPD) and in vitro true digestibility, were performed using DAISYII Incubator. In vitro digestibility was performed using gas production method of (Menke et al., 1979) improved by Menke and Steingass (1988). Samples were incubated in glass syringes that contained rumen fluid and incubation solution that conserved in water bath in 39°C during 72 hours. Gas production was recorded after 2, 4, 8, 12, 24, 48, and 72 hours. Studied digestibility parameters were dry and organic matter digestibility, microbial biomass production, partitioning factor, and volatile fatty acids. Enzymatic dry matter digestibility was different (p < 0.05) among grains and straw for all ecotypes. It varied from 804.1 to 957.7 g/kg DM and 270.4 to 412.3 g/kg DM for grains and straw, respectively. Metabolizable energy varied between 11.7 to 14.3 MJ/kg DM and 2.6 to 5.0 MJ/kg DM for grains and straw, respectively. Potential gas production (A), the rate constants (c and d), and lag times of grains and straws from different bitter vetch ecotypes were different (p > 0.05). The results emphasized that in any evaluation of bitter vetch ecotypes, where straw of this legume seed is used as an animal feed, not only seed yield but also yield and quality of straw should be taken into consideration, particularly in areas where straw from this legume is considered as an important feedstuff for ruminants. Enzymatic digestibility was lower than in vitro digestibility by gaz production and by the DAISYII method because rumen fluid contains bacteria than increase digestibility. There was no difference between in vitro digestibility by gaz production and the DAISY II method. The DAISY II method can be used to increase labor efficiency in the in vitro DM digestibility analysis if gaz production is not necessary for analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bitter%20vetch" title="bitter vetch">bitter vetch</a>, <a href="https://publications.waset.org/abstracts/search?q=grains" title=" grains"> grains</a>, <a href="https://publications.waset.org/abstracts/search?q=straw" title=" straw"> straw</a>, <a href="https://publications.waset.org/abstracts/search?q=ecotype" title=" ecotype"> ecotype</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vitro%20digestibility" title=" in vitro digestibility"> in vitro digestibility</a>, <a href="https://publications.waset.org/abstracts/search?q=gaz%20production" title=" gaz production"> gaz production</a>, <a href="https://publications.waset.org/abstracts/search?q=enzymatic%20digestibility" title=" enzymatic digestibility"> enzymatic digestibility</a> </p> <a href="https://publications.waset.org/abstracts/144002/in-vitro-digestibility-of-grains-and-straw-of-seventeen-ecotypes-of-bitter-vetch-vicia-ervilia-in-the-north-of-morocco" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144002.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">177</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">356</span> Quick Covering Machine for Grain Drying Pavement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatima%20S.%20Rodriguez">Fatima S. Rodriguez</a>, <a href="https://publications.waset.org/abstracts/search?q=Victorino%20T.%20Taylan"> Victorino T. Taylan</a>, <a href="https://publications.waset.org/abstracts/search?q=Manolito%20C.%20Bulaong"> Manolito C. Bulaong</a>, <a href="https://publications.waset.org/abstracts/search?q=Helen%20F.%20Gavino"> Helen F. Gavino</a>, <a href="https://publications.waset.org/abstracts/search?q=Vitaliana%20U.%20Malamug"> Vitaliana U. Malamug</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In sundrying, the quality of the grains are greatly reduced when paddy grains were caught by the rain unsacked and unstored resulting to reduced profit. The objectives of this study were to design and fabricate a quick covering machine for grain drying pavement to test and evaluate the operating characteristics of the machine according to its deployment speed, recovery speed, deployment time, recovery time, power consumption, aesthetics of laminated sack, conducting partial budget, and cost curve analysis. The machine was able to cover the grains in a 12.8 m x 22.5 m grain drying pavement at an average time of 17.13 s. It consumed 0 .53 W-hr for the deployment and recovery of the cover. The machine entailed an investment cost of $1,344.40 and an annual cost charge of $647.32. Moreover, the savings per year using the quick covering machine was $101.83. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quick" title="quick">quick</a>, <a href="https://publications.waset.org/abstracts/search?q=covering%20machine" title=" covering machine"> covering machine</a>, <a href="https://publications.waset.org/abstracts/search?q=grain" title=" grain"> grain</a>, <a href="https://publications.waset.org/abstracts/search?q=drying%20pavement" title=" drying pavement"> drying pavement</a> </p> <a href="https://publications.waset.org/abstracts/1545/quick-covering-machine-for-grain-drying-pavement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1545.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">373</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">355</span> Multi-Scale Modeling of Ti-6Al-4V Mechanical Behavior: Size, Dispersion and Crystallographic Texture of Grains Effects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatna%20Benmessaoud">Fatna Benmessaoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Cheikh"> Mohammed Cheikh</a>, <a href="https://publications.waset.org/abstracts/search?q=Vencent%20Velay"> Vencent Velay</a>, <a href="https://publications.waset.org/abstracts/search?q=Vanessa%20Vidal"> Vanessa Vidal</a>, <a href="https://publications.waset.org/abstracts/search?q=Farhad%20Rezai-Aria"> Farhad Rezai-Aria</a>, <a href="https://publications.waset.org/abstracts/search?q=Christine%20Boher"> Christine Boher</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ti-6Al-4V titanium alloy is one of the most widely used materials in aeronautical and aerospace industries. Because of its high specific strength, good fatigue, and corrosion resistance, this alloy is very suitable for moderate temperature applications. At room temperature, Ti-6Al-4V mechanical behavior is generally controlled by the behavior of alpha phase (beta phase percent is less than 8%). The plastic strain of this phase notably based on crystallographic slip can be hindered by various obstacles and mechanisms (crystal lattice friction, sessile dislocations, strengthening by solute atoms and grain boundaries…). The grains aspect of alpha phase (its morphology and texture) and the nature of its crystallographic lattice (which is hexagonal compact) give to plastic strain heterogeneous, discontinuous and anisotropic characteristics at the local scale. The aim of this work is to develop a multi-scale model for Ti-6Al-4V mechanical behavior using crystal plasticity approach; this multi-scale model is used then to investigate grains size, dispersion of grains size, crystallographic texture and slip systems activation effects on Ti-6Al-4V mechanical behavior under monotone quasi-static loading. Nine representative elementary volume (REV) are built for taking into account the physical elements (grains size, dispersion and crystallographic) mentioned above, then boundary conditions of tension test are applied. Finally, simulation of the mechanical behavior of Ti-6Al-4V and study of slip systems activation in alpha phase is reported. The results show that the macroscopic mechanical behavior of Ti-6Al-4V is strongly linked to the active slip systems family (prismatic, basal or pyramidal). The crystallographic texture determines which family of slip systems can be activated; therefore it gives to the plastic strain a heterogeneous character thus an anisotropic macroscopic mechanical behavior of Ti-6Al-4V alloy modeled. The grains size influences also on mechanical proprieties of Ti-6Al-4V, especially on the yield stress; by decreasing of the grain size, the yield strength increases. Finally, the grains' distribution which characterizes the morphology aspect (homogeneous or heterogeneous) gives to the deformation fields distribution enough heterogeneity because the crystallographic slip is easier in large grains compared to small grains, which generates a localization of plastic deformation in certain areas and a concentration of stresses in others. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multi-scale%20modeling" title="multi-scale modeling">multi-scale modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=Ti-6Al-4V%20alloy" title=" Ti-6Al-4V alloy"> Ti-6Al-4V alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=crystal%20plasticity" title=" crystal plasticity"> crystal plasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=grains%20size" title=" grains size"> grains size</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallographic%20texture" title=" crystallographic texture"> crystallographic texture</a> </p> <a href="https://publications.waset.org/abstracts/86843/multi-scale-modeling-of-ti-6al-4v-mechanical-behavior-size-dispersion-and-crystallographic-texture-of-grains-effects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86843.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">157</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">354</span> Influence of Microparticles in the Contact Region of Quartz Sand Grains: A Micro-Mechanical Experimental Study </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sathwik%20Sarvadevabhatla%20Kasyap">Sathwik Sarvadevabhatla Kasyap</a>, <a href="https://publications.waset.org/abstracts/search?q=Kostas%20Senetakis"> Kostas Senetakis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The mechanical behavior of geological materials is very complex, and this complexity is related to the discrete nature of soils and rocks. Characteristics of a material at the grain scale such as particle size and shape, surface roughness and morphology, and particle contact interface are critical to evaluate and better understand the behavior of discrete materials. This study investigates experimentally the micro-mechanical behavior of quartz sand grains with emphasis on the influence of the presence of microparticles in their contact region. The outputs of the study provide some fundamental insights on the contact mechanics behavior of artificially coated grains and can provide useful input parameters in the discrete element modeling (DEM) of soils. In nature, the contact interfaces between real soil grains are commonly observed with microparticles. This is usually the case of sand-silt and sand-clay mixtures, where the finer particles may create a coating on the surface of the coarser grains, altering in this way the micro-, and thus the macro-scale response of geological materials. In this study, the micro-mechanical behavior of Leighton Buzzard Sand (LBS) quartz grains, with interference of different microparticles at their contact interfaces is studied in the laboratory using an advanced custom-built inter-particle loading apparatus. Special techniques were adopted to develop the coating on the surfaces of the quartz sand grains so that to establish repeatability of the coating technique. The characterization of the microstructure of coated particles on their surfaces was based on element composition analyses, microscopic images, surface roughness measurements, and single particle crushing strength tests. The mechanical responses such as normal and tangential load – displacement behavior, tangential stiffness behavior, and normal contact behavior under cyclic loading were studied. The behavior of coated LBS particles is compared among different classes of them and with pure LBS (i.e. surface cleaned to remove any microparticles). The damage on the surface of the particles was analyzed using microscopic images. Extended displacements in both normal and tangential directions were observed for coated LBS particles due to the plastic nature of the coating material and this varied with the variation of the amount of coating. The tangential displacement required to reach steady state was delayed due to the presence of microparticles in the contact region of grains under shearing. Increased tangential loads and coefficient of friction were observed for the coated grains in comparison to the uncoated quartz grains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=contact%20interface" title="contact interface">contact interface</a>, <a href="https://publications.waset.org/abstracts/search?q=microparticles" title=" microparticles"> microparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-mechanical%20behavior" title=" micro-mechanical behavior"> micro-mechanical behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=quartz%20sand" title=" quartz sand"> quartz sand</a> </p> <a href="https://publications.waset.org/abstracts/94772/influence-of-microparticles-in-the-contact-region-of-quartz-sand-grains-a-micro-mechanical-experimental-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94772.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">192</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">353</span> Evaluation of Quick Covering Machine for Grain Drying Pavement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatima%20S.%20Rodriguez">Fatima S. Rodriguez</a>, <a href="https://publications.waset.org/abstracts/search?q=Victorino%20T.%20Taylan"> Victorino T. Taylan</a>, <a href="https://publications.waset.org/abstracts/search?q=Manolito%20C.%20Bulaong"> Manolito C. Bulaong</a>, <a href="https://publications.waset.org/abstracts/search?q=Helen%20F.%20Gavino"> Helen F. Gavino</a>, <a href="https://publications.waset.org/abstracts/search?q=Vitaliana%20U.%20Malamug"> Vitaliana U. Malamug</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In sundrying the quality of the grains are greatly reduced when paddy grains were caught by the rain unsacked and unstored resulting to reduced profit. The objectives of this study were to design and fabricate a quick covering machine for grain drying pavement; to test and evaluate the operating characteristics of the machine according to its deployment speed, recovery speed, deployment time, recovery time, power consumption, aesthetics of laminated sack; and to conduct partial budget and cost curve analysis. The machine was able to cover the grains in a 12.8 m x 22.5 m grain drying pavement at an average time of 17.13 s. It consumed 0.53 W-hr for the deployment and recovery of the cover. The machine entailed an investment cost of $1,344.40 and an annual cost charge of $647.32. Moreover, the savings per year using the quick covering machine was $101.83. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quick%20covering%20machine" title="quick covering machine">quick covering machine</a>, <a href="https://publications.waset.org/abstracts/search?q=grain%20drying%20pavement" title=" grain drying pavement"> grain drying pavement</a>, <a href="https://publications.waset.org/abstracts/search?q=laminated%20polypropylene" title=" laminated polypropylene"> laminated polypropylene</a>, <a href="https://publications.waset.org/abstracts/search?q=recovery%20time" title=" recovery time"> recovery time</a> </p> <a href="https://publications.waset.org/abstracts/1549/evaluation-of-quick-covering-machine-for-grain-drying-pavement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1549.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">323</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">352</span> Approach to Study the Workability of Concrete with the Fractal Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Achouri%20Fatima">Achouri Fatima</a>, <a href="https://publications.waset.org/abstracts/search?q=Chouicha%20Kaddour"> Chouicha Kaddour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main parameters affecting the workability are the water content, particle size, and the total surface of the grains, as long as the mixing water begins by wetting the surface of the grains and then fills the voids between the grains to form entrapped water, the quantity of water remaining is called free water. The aim is to undertake a fractal approach through the relationship between the concrete formulation parameters and workability, to develop this approach a series of concrete taken from the literature was investigated by varying formulation parameters such as G / S, the quantity of cement C and the quantity of mixing water E. We also call on other model as the model for the thickness of the water layer and model of the thickness of the paste layer to judge their relevance, hence the following results : the relevance of the model of the thickness of the water layer is considered relevant when there is a variation in the water quantity, the model of the thickness of the layer of the paste is only applicable if we consider that the paste is made with the grain value Dmax = 2.85: value from which we see a stable model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete" title="concrete">concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=fractal%20method" title=" fractal method"> fractal method</a>, <a href="https://publications.waset.org/abstracts/search?q=paste%20thickness" title=" paste thickness"> paste thickness</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20thickness" title=" water thickness"> water thickness</a>, <a href="https://publications.waset.org/abstracts/search?q=workability" title=" workability"> workability</a> </p> <a href="https://publications.waset.org/abstracts/29521/approach-to-study-the-workability-of-concrete-with-the-fractal-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29521.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">379</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">351</span> Phenolic Compounds and Antioxidant Capacity of Nine Genotypes of Thai Rice (Oryza sativa L.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pitchaon%20Maisuthisakul">Pitchaon Maisuthisakul</a>, <a href="https://publications.waset.org/abstracts/search?q=Ladawan%20Changchub"> Ladawan Changchub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rice (Oryza sativa L.) is a staple diet in Thailand. Rice cultivation is traditional occupation of Thailand which passed down through generations. The 1 Rai 1 san project is new agricultural theory according to sufficient economy using green technology without using chemical substances. This study was conducted to evaluate total phenolics using HPLC and colorimetric methods including total anthocyanin content of Thai rice extracting by simulated gastric and intestinal condition and to estimate antioxidant capacity using DPPH and thiocyanate methods. Color and visible spectrum of rice grains were also investigated. Rice grains were classified into three groups according to their color appearance. The light brown grain genotypes are Sin Lek, Jasmine 105, Lao Tek and Hawm Ubon. The red group is Sang Yod and Red Jasmine. Genotypes Kum, Hawm Kanya and Hawm Nil are black rice grains. Cyanidin-3-O-glucoside was found in only black rice genotypes, whereas chlorogenic acid was found in all rice grains. The black rice had higher phenolic content than red and light brown samples. Phenolic acids constitute a small portion of phenolic compounds after digestion in human and contribute to the antioxidant activity of Thai rice grains. Anthocyanin contents of all rice extracts ranged from 45.9 to 442.1 mg CGE/kg. All rice extracts showed the antioxidant efficiency lower than ferulic acid. Genotype Kum and Hawm nil exhibited the ability of antioxidant efficiency higher than α-tocopherol. Interestingly, the visible spectrum of only black rice genotypes showed the maximum peak at 530-540 nm. The results suggest that consumption of black rice gives more health benefits of grain to consumer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rice" title="rice">rice</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic" title=" phenolic"> phenolic</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=anthocyanin" title=" anthocyanin "> anthocyanin </a> </p> <a href="https://publications.waset.org/abstracts/25542/phenolic-compounds-and-antioxidant-capacity-of-nine-genotypes-of-thai-rice-oryza-sativa-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25542.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">350</span> The Construction Technology of Dryer Silo Materials to Grains Made from Webbing Bamboo: A Drying Technology Solutions to Empowerment Farmers in Yogyakarta, Indonesia </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nursigit%20%20Bintoro">Nursigit Bintoro</a>, <a href="https://publications.waset.org/abstracts/search?q=Abadi%20Barus"> Abadi Barus</a>, <a href="https://publications.waset.org/abstracts/search?q=Catur%20Setyo%20Dedi%20%20Pamungkas"> Catur Setyo Dedi Pamungkas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Indonesia is an agrarian country have almost population work as farmers. One of the popular agriculture commodity in Indonesia is paddy and corn. Production of paddy and corn are increased, but not balanced to the development of appropriate technology to farmers. Methods of drying applied with farmers still using sunshine. Drying by this method has some drawbacks, such as differences moisture content of corn grains, time used to dry around 3 days, and less quality of the products obtained. Beside it, the method of drying by using sunshine can’t do when the rainy season arrives. On this season the product obtained has less quality. One solution to the above problems is to create a dryer with simple technology. That technology is made silo dryer from webbing bamboo and wood. This technology is applicable to be applied to farmers' groups as well as the creation technology is quite cheap. The experiment material used in this research will be obtained from the corn grains. The equipment used are woven bamboo with a height of 3 meters and have capacity of up to 900 kgs as a silo, gas, burner, blower, bucket elevators, thermocouple, Arduino microcontroller 2560. This tools automatically records all the data of temperature and relative humidity. During on drying, each 30 minutes take 9 sample for measuring moisture content with moisture meter. By using this technology, farmers can save time, energy, and cost to the drying their agriculture product. In addition, by using this technology have good quality moisture content of grains and have a longer shelf life because the temperature when the heating process is controlled. Therefore, this technology is applicable to be applied to the public because the materials used to make the dryer easier to find, cheaper, and manufacture of the dryer made simple with good quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grains" title="grains">grains</a>, <a href="https://publications.waset.org/abstracts/search?q=dryer" title=" dryer"> dryer</a>, <a href="https://publications.waset.org/abstracts/search?q=moisture%20content" title=" moisture content"> moisture content</a>, <a href="https://publications.waset.org/abstracts/search?q=appropriate%20technology" title=" appropriate technology"> appropriate technology</a> </p> <a href="https://publications.waset.org/abstracts/63217/the-construction-technology-of-dryer-silo-materials-to-grains-made-from-webbing-bamboo-a-drying-technology-solutions-to-empowerment-farmers-in-yogyakarta-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63217.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">349</span> Principal Component Regression in Amylose Content on the Malaysian Market Rice Grains Using Near Infrared Reflectance Spectroscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Syahira%20Ibrahim">Syahira Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Herlina%20Abdul%20Rahim"> Herlina Abdul Rahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The amylose content is an essential element in determining the texture and taste of rice grains. This paper evaluates the use of VIS-SWNIRS in estimating the amylose content for seven varieties of rice grains available in the Malaysian market. Each type consists of 30 samples and all the samples are scanned using the spectroscopy to obtain a range of values between 680-1000nm. The Savitzky-Golay (SG) smoothing filter is applied to each sample’s data before the Principal Component Regression (PCR) technique is used to examine the data and produce a single value for each sample. This value is then compared with reference values obtained from the standard iodine colorimetric test in terms of its coefficient of determination, R2. Results show that this technique produced low R2 values of less than 0.50. In order to improve the result, the range should include a wavelength range of 1100-2500nm and the number of samples processed should also be increased. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amylose%20content" title="amylose content">amylose content</a>, <a href="https://publications.waset.org/abstracts/search?q=diffuse%20reflectance" title=" diffuse reflectance"> diffuse reflectance</a>, <a href="https://publications.waset.org/abstracts/search?q=Malaysia%20rice%20grain" title=" Malaysia rice grain"> Malaysia rice grain</a>, <a href="https://publications.waset.org/abstracts/search?q=principal%20component%20regression%20%28PCR%29" title=" principal component regression (PCR)"> principal component regression (PCR)</a>, <a href="https://publications.waset.org/abstracts/search?q=Visible%20and%20Shortwave%20near-infrared%20spectroscopy%20%28VIS-SWNIRS%29" title=" Visible and Shortwave near-infrared spectroscopy (VIS-SWNIRS)"> Visible and Shortwave near-infrared spectroscopy (VIS-SWNIRS)</a> </p> <a href="https://publications.waset.org/abstracts/36594/principal-component-regression-in-amylose-content-on-the-malaysian-market-rice-grains-using-near-infrared-reflectance-spectroscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36594.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">382</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">348</span> Effect of Al Contents on Magnetic Domains of {100} Grains in Electrical Steels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyunseo%20Choi">Hyunseo Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaewan%20Hong"> Jaewan Hong</a>, <a href="https://publications.waset.org/abstracts/search?q=Seil%20Lee"> Seil Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang%20Mo%20Koo"> Yang Mo Koo </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Non-oriented (NO) electrical steel is one of the most important soft magnetic materials for rotating machines. Si has usually been added to electrical steels to reduce eddy current loss by increasing the electrical resistivity. Si content more than 3.5 wt% causes cracks during cold rolling due to increase of brittleness. Al also increases the electrical resistivity of the materials as much as Si. In addition, cold workability of Fe-Al is better than Fe-Si, so that Al can be added up to 6.0 wt%. However, the effect of Al contents on magnetic properties of electrical steels has not been studied in detail. Magnetic domains of {100} grains in electrical steels, ranging from 1.85 to 6.54 wt% Al, were observed by magneto-optic Kerr microscopy. Furthermore, the correlation of magnetic domains with magnetic properties was investigated. As Al contents increased, the magnetic domain size of {100} grains decreased due to lowered domain wall energy. Reorganization of magnetic domain structure became more complex as domain size decreased. Therefore, the addition of Al to electrical steel caused hysteresis loss to increase. Anomalous loss decreased and saturated after 4.68% Al. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrical%20steel" title="electrical steel">electrical steel</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20domain%20structure" title=" magnetic domain structure"> magnetic domain structure</a>, <a href="https://publications.waset.org/abstracts/search?q=Al%20addition" title=" Al addition"> Al addition</a>, <a href="https://publications.waset.org/abstracts/search?q=core%20loss" title=" core loss"> core loss</a>, <a href="https://publications.waset.org/abstracts/search?q=rearrangement%20of%20domains" title=" rearrangement of domains"> rearrangement of domains</a> </p> <a href="https://publications.waset.org/abstracts/74890/effect-of-al-contents-on-magnetic-domains-of-100-grains-in-electrical-steels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74890.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">243</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">347</span> Structural and Morphological Characterization of Inorganic Deposits in Spinal Ligaments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sylwia%20Orzechowska">Sylwia Orzechowska</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrzej%20Wr%C3%B3bel"> Andrzej Wróbel</a>, <a href="https://publications.waset.org/abstracts/search?q=Eugeniusz%20Rokita"> Eugeniusz Rokita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The mineralization is a curious problem of connective tissues. Factors which may play a decisive role in the regulation of the yellow ligaments (YL) mineralization are still open questions. The aim of the studies was a detailed description of the chemical composition and morphology of mineral deposits in the human yellow ligaments. Investigations of the structural features of deposits were used to explain the impact of various factors on mineralization process. The studies were carried out on 24 YL samples, surgically removed from patients suffer from spinal canal stenosis and the patients who sustained a trauma. The micro-computed tomography was used to describe the morphology of mineral deposits. The X-ray fluorescence method and Fourier transform infrared spectroscopy were applied to determine the chemical composition of the samples. In order to eliminate the effect of blur in microtomographic images, the correction method of partial volume effect was used. The mineral deposits appear in 60% of YL samples, both in patients with a stenosis and following injury. The mineral deposits have a heterogeneous structure and they are a mixture of the tissue and mineral grains. The volume of mineral grains amounts to (1.9 ± 3.4)*10-3 mm3 while the density distribution of grains occurs in two distinct ranges (1.75 - 2.15 and 2.15-2.5) g/cm3. Application of the partial volume effect correction allows accurate calculations by eliminating the averaging effect of gray levels in tomographic images. The B-type carbonate-containing hydroxyapatite constitutes the mineral phase of majority YLs. The main phase of two samples was calcium pyrophosphate dihydrate (CPPD). The elemental composition of minerals in all samples is almost identical. This pathology may be independent on the spine diseases and it does not evoke canal stenosis. The two ranges of grains density indicate two stages of grains growth and the degree of maturity. The presence of CPPD crystals may coexist with other pathologies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FTIR" title="FTIR">FTIR</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-tomography" title=" micro-tomography"> micro-tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=mineralization" title=" mineralization"> mineralization</a>, <a href="https://publications.waset.org/abstracts/search?q=spinal%20ligaments" title=" spinal ligaments "> spinal ligaments </a> </p> <a href="https://publications.waset.org/abstracts/23266/structural-and-morphological-characterization-of-inorganic-deposits-in-spinal-ligaments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23266.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">377</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">346</span> Development of Milky Products Leavend by Kefir Grains with Reduced Lactose and Flavored with Tropical Fruit</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20L.%20Balieiro">A. L. Balieiro</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20S.%20Silveira"> D. S. Silveira</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20A.%20Santos"> R. A. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20S.%20Freitas"> L. S. Freitas</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20L.%20S.%20De%20Alsina"> O. L. S. De Alsina</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Lima"> A. S. Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20M.%20F.%20Soares"> C. M. F. Soares </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The state of Sergipe has been emerging in milk production, mainly in the dairy basin located in the northeast of the state of the Brazil. However, this area concentrates the production of dairy, developing diverse products with higher aggregated value and scent and regional flavours. With this goal the present wok allows the development of dairy drinks with reduced lactose index, using kefir grains flavored with mangaba pulp. Initially, the removal of milk lactose was evaluated in adsorption columns completed with silica particles obtained by molecular impression technique, using sol ? gel method with the presence and absence of lactose biomolecule, molecular imprinted polymer (PIM) or pure matrix (MP), respectively. Then kefir grains were used for the development of dairy drinks flavored with regional fruits (mangaba). The products were analyzed sensorially, evaluated the probiotic potential and the removal of the lactose. Among the products obtained, the one that present best result in the sensorially was to the drink with removal PIM flavored of mangaba, for which around 60% of the testers indicated that would buy the new product. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=molecular%20imprinted%20polymer" title="molecular imprinted polymer">molecular imprinted polymer</a>, <a href="https://publications.waset.org/abstracts/search?q=milk" title=" milk"> milk</a>, <a href="https://publications.waset.org/abstracts/search?q=lactose" title=" lactose"> lactose</a>, <a href="https://publications.waset.org/abstracts/search?q=kefir" title=" kefir"> kefir</a> </p> <a href="https://publications.waset.org/abstracts/3617/development-of-milky-products-leavend-by-kefir-grains-with-reduced-lactose-and-flavored-with-tropical-fruit" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3617.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">285</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">345</span> Deformation and Crystallization in a 7075-T651 Friction Stir Weld</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20S.%20Paglia">C. S. Paglia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The deformation and the crystallization in a 7075-T651 friction stir weld, in particular for regions directly in contact with the mechanical action of the rotating probe, have been investigated by means of optical microscopy. The investigation enabled to identify regions of the weld differently affected by the deformation caused by the welding process. The highly deformed grains in the horizontal direction close to the plate margin were indicative of shear movements along the horizontal plane, while highly deformed grains along the plate margin in the vertical direction were indicative of vertical shear movements of opposite directions, which superimposed the shear movement along the horizontal plane. The vertical shear movements were not homogeneous through the plate thickness. The microstructure indicated that after the probe passes, the grain growth may take place under static conditions. The small grains microstructure of the nugget region, formed after the main dynamic recrystallization process, develops to an equiaxed microstructure. A material transport influenced by the rotating shoulder was also observed from the trailing to the advancing side of the weld. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AA7075-T651" title="AA7075-T651">AA7075-T651</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20stir%20welding" title=" friction stir welding"> friction stir welding</a>, <a href="https://publications.waset.org/abstracts/search?q=deformation" title=" deformation"> deformation</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallization" title=" crystallization"> crystallization</a> </p> <a href="https://publications.waset.org/abstracts/124625/deformation-and-crystallization-in-a-7075-t651-friction-stir-weld" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124625.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">120</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">344</span> Storage of Maize Grains Using Powder and Oils of Commonly Used Medicinal Plants (Aframomum melegueta, Garcinia kola and Piper guineense)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20O.%20Adejumo">T. O. Adejumo</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20S.%20Akinyemi"> O. S. Akinyemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Powders and oils of Aframomum melegueta, Garcinia kola and Piper guineense were tested as preservatives for the storage of maize grains for four weeks. The concentrations of the powders were 32.5gkg-1, 65.0gkg-1 and 97.5gkg-1 maize, while those of oils were 0.85mlkg-1, 0.50mlkg-1 and 0.75mlkg-1 maize respectively. Powders of the three botanicals at 97.5gkg-1 maize possessed insecticidal effect on Sitophilus zeamais and also inhibitory activities on Aspergillus flavus, A. fumigatus, A. niger and Fusarium verticillioides, while little effect was observed for other concentrations. Oils of the three botanicals at 0.50mlkg-1 and 0.75mlkg-1 maize showed an insecticidal effect on S. zeamais and also inhibitory activities on A. flavus, A. fumigatus, A. niger, F. verticillioides, Penicillium and Rhizopus species. Oils showed more potential as a protectant against fungal and insect pest in storage maize grains than powders. Powders and oils of A. melegueta, G. kola and P. guineense could be successfully used as biopesticides. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aframomum%20melegueta" title="aframomum melegueta">aframomum melegueta</a>, <a href="https://publications.waset.org/abstracts/search?q=garcinia%20kola" title=" garcinia kola"> garcinia kola</a>, <a href="https://publications.waset.org/abstracts/search?q=maize" title=" maize"> maize</a>, <a href="https://publications.waset.org/abstracts/search?q=powder" title=" powder"> powder</a>, <a href="https://publications.waset.org/abstracts/search?q=oils" title=" oils"> oils</a>, <a href="https://publications.waset.org/abstracts/search?q=piper%20guineense" title=" piper guineense"> piper guineense</a> </p> <a href="https://publications.waset.org/abstracts/35674/storage-of-maize-grains-using-powder-and-oils-of-commonly-used-medicinal-plants-aframomum-melegueta-garcinia-kola-and-piper-guineense" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35674.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">400</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">343</span> The Effect of Electric Field Distributions on Grains and Insect for Dielectric Heating Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Santalunai">S. Santalunai</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Thosdeekoraphat"> T. Thosdeekoraphat</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Thongsopa"> C. Thongsopa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the effect of electric field distribution which is an electric field intensity analysis. Consideration of the dielectric heating of grains and insects, the rice and rice weevils are utilized for dielectric heating analysis. Furthermore, this analysis compares the effect of electric field distribution in rice and rice weevil. In this simulation, two copper plates are used to generate the electric field for dielectric heating system and put the rice materials between the copper plates. The simulation is classified in two cases, which are case I one rice weevil is placed in the rice and case II two rice weevils are placed at different position in the rice. Moreover, the probes are located in various different positions on plate. The power feeding on this plate is optimized by using CST EM studio program of 1000 watt electrical power at 39 MHz resonance frequency. The results of two cases are indicated that the most electric field distribution and intensity are occurred on the rice and rice weevils at the near point of the probes. Moreover, the heat is directed to the rice weevils more than the rice. When the temperature of rice and rice weevils are calculated and compared, the rice weevils has the temperature more than rice is about 41.62 Celsius degrees. These results can be applied for the dielectric heating applications to eliminate insect. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitor%20copper%20plates" title="capacitor copper plates">capacitor copper plates</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20field%20distribution" title=" electric field distribution"> electric field distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=dielectric%20heating" title=" dielectric heating"> dielectric heating</a>, <a href="https://publications.waset.org/abstracts/search?q=grains" title=" grains"> grains</a> </p> <a href="https://publications.waset.org/abstracts/10956/the-effect-of-electric-field-distributions-on-grains-and-insect-for-dielectric-heating-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10956.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">408</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">342</span> Controllable Modification of Glass-Crystal Composites with Ion-Exchange Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrey%20A.%20Lipovskii">Andrey A. Lipovskii</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20V.%20Redkov"> Alexey V. Redkov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vyacheslav%20V.%20Rusan"> Vyacheslav V. Rusan</a>, <a href="https://publications.waset.org/abstracts/search?q=Dmitry%20K.%20Tagantsev"> Dmitry K. Tagantsev</a>, <a href="https://publications.waset.org/abstracts/search?q=Valentina%20V.%20Zhurikhina"> Valentina V. Zhurikhina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The presented research is related to the development of recently proposed technique of the formation of composite materials, like optical glass-ceramics, with predetermined structure and properties of the crystalline component. The technique is based on the control of the size and concentration of the crystalline grains using the phenomenon of glass-ceramics decrystallization (vitrification) induced by ion-exchange. This phenomenon was discovered and explained in the beginning of the 2000s, while related theoretical description was given in 2016 only. In general, the developed theory enables one to model the process and optimize the conditions of ion-exchange processing of glass-ceramics, which provide given properties of crystalline component, in particular, profile of the average size of the crystalline grains. The optimization is possible if one knows two dimensionless parameters of the theoretical model. One of them (β) is the value which is directly related to the solubility of crystalline component of the glass-ceramics in the glass matrix, and another (γ) is equal to the ratio of characteristic times of ion-exchange diffusion and crystalline grain dissolution. The presented study is dedicated to the development of experimental technique and simulation which allow determining these parameters. It is shown that these parameters can be deduced from the data on the space distributions of diffusant concentrations and average size of crystalline grains in the glass-ceramics samples subjected to ion-exchange treatment. Measurements at least at two temperatures and two processing times at each temperature are necessary. The composite material used was a silica-based glass-ceramics with crystalline grains of Li2OSiO2. Cubical samples of the glass-ceramics (6x6x6 mm3) underwent the ion exchange process in NaNO3 salt melt at 520 oC (for 16 and 48 h), 540 oC (for 8 and 24 h), 560 oC (for 4 and 12 h), and 580 oC (for 2 and 8 h). The ion exchange processing resulted in the glass-ceramics vitrification in the subsurface layers where ion-exchange diffusion took place. Slabs about 1 mm thick were cut from the central part of the samples and their big facets were polished. These slabs were used to find profiles of diffusant concentrations and average size of the crystalline grains. The concentration profiles were determined from refractive index profiles measured with Max-Zender interferometer, and profiles of the average size of the crystalline grains were determined with micro-Raman spectroscopy. Numerical simulation were based on the developed theoretical model of the glass-ceramics decrystallization induced by ion exchange. The simulation of the processes was carried out for different values of β and γ parameters under all above-mentioned ion exchange conditions. As a result, the temperature dependences of the parameters, which provided a reliable coincidence of the simulation and experimental data, were found. This ensured the adequate modeling of the process of the glass-ceramics decrystallization in 520-580 oC temperature interval. Developed approach provides a powerful tool for fine tuning of the glass-ceramics structure, namely, concentration and average size of crystalline grains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diffusion" title="diffusion">diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=glass-ceramics" title=" glass-ceramics"> glass-ceramics</a>, <a href="https://publications.waset.org/abstracts/search?q=ion%20exchange" title=" ion exchange"> ion exchange</a>, <a href="https://publications.waset.org/abstracts/search?q=vitrification" title=" vitrification"> vitrification</a> </p> <a href="https://publications.waset.org/abstracts/67777/controllable-modification-of-glass-crystal-composites-with-ion-exchange-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67777.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">269</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">341</span> Melt Conditioned-Twin Roll Casting of Magnesium Alloy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanjeev%20Das">Sanjeev Das</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present investigation, magnesium strips were produced by twin roll casting (TRC) and melt conditioned twin roll casting (MC-TRC) processes. The microstructures showed uniform fine equiaxed grain morphology in the case of MC-TRC cast samples. In the case of TRC samples elongated grains with centerline segregation was observed. Further investigation showed both the process has different solidification mechanism. Tensile tests were performed at 250–400ºC for both TRC and MCTRC samples. At 250ºC, MC-TRC sample showed significant improvement in strength and ductility. However, at higher temperatures the tensile properties were almost comparable, despite of TRC samples having larger grains compared to MC-TRC samples. It was observed that homogenized MC-TRC samples were easily hot stamped compared to TRC samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MC-TRC" title="MC-TRC">MC-TRC</a>, <a href="https://publications.waset.org/abstracts/search?q=magnesium%20alloy" title=" magnesium alloy"> magnesium alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=solidification" title=" solidification"> solidification</a>, <a href="https://publications.waset.org/abstracts/search?q=nucleation" title=" nucleation"> nucleation</a> </p> <a href="https://publications.waset.org/abstracts/71008/melt-conditioned-twin-roll-casting-of-magnesium-alloy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71008.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">188</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">340</span> A Low Cost Non-Destructive Grain Moisture Embedded System for Food Safety and Quality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ritula%20Thakur">Ritula Thakur</a>, <a href="https://publications.waset.org/abstracts/search?q=Babankumar%20S.%20Bansod"> Babankumar S. Bansod</a>, <a href="https://publications.waset.org/abstracts/search?q=Puneet%20Mehta"> Puneet Mehta</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Chatterji"> S. Chatterji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Moisture plays an important role in storage, harvesting and processing of food grains and related agricultural products. It is an important characteristic of most agricultural products for maintenance of quality. Accurate knowledge of the moisture content can be of significant value in maintaining quality and preventing contamination of cereal grains. The present work reports the design and development of microcontroller based low cost non-destructive moisture meter, which uses complex impedance measurement method for moisture measurement of wheat using parallel plate capacitor arrangement. Moisture can conveniently be sensed by measuring the complex impedance using a small parallel-plate capacitor sensor filled with the kernels in-between the two plates of sensor, exciting the sensor at 30 KHz and 100 KHz frequencies. The effects of density and temperature variations were compensated by providing suitable compensations in the developed algorithm. The results were compared with standard dry oven technique and the developed method was found to be highly accurate with less than 1% error. The developed moisture meter is low cost, highly accurate, non-destructible method for determining the moisture of grains utilizing the fast computing capabilities of microcontroller. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=complex%20impedance" title="complex impedance">complex impedance</a>, <a href="https://publications.waset.org/abstracts/search?q=moisture%20content" title=" moisture content"> moisture content</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20properties" title=" electrical properties"> electrical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=safety%20of%20food" title=" safety of food"> safety of food</a> </p> <a href="https://publications.waset.org/abstracts/21733/a-low-cost-non-destructive-grain-moisture-embedded-system-for-food-safety-and-quality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21733.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">462</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">339</span> Effect of Integrated Nutrient Management Practice on Cultivation Scented Rice Varieties- a Better Approach for Resource Conservation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amit%20Kumar%20Patel">Amit Kumar Patel</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20C.%20Bhambri"> M. C. Bhambri</a>, <a href="https://publications.waset.org/abstracts/search?q=Damini%20Thawait"> Damini Thawait</a>, <a href="https://publications.waset.org/abstracts/search?q=Srishti%20Pandey"> Srishti Pandey</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experiment was carried out at Raipur during rainy season of 2012. The experiment revealed that the performance of Dubraj was comparatively better than that of badshah bhog, Vishnu bhog and bisni. The number of grains panicle-1, number of filled grains panicle-1 were comparable in Dubraj and badshah bhog. Among the different nutrient, application of 80:50:40 kg N:P2O5:K2O ha-1(50% Inorganic+50% Organic) gave better performance in all the above characters. It is revealed that the variety Dubraj fertilized with 80:50:40 kg N:P2O5:K2O ha-1(50% Inorganic+50% Organic) gave the good yield attributing characters along with highest yield. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=scented%20rice" title="scented rice">scented rice</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20manures" title=" organic manures"> organic manures</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20fertilizers" title=" chemical fertilizers"> chemical fertilizers</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a>, <a href="https://publications.waset.org/abstracts/search?q=varieties" title=" varieties"> varieties</a> </p> <a href="https://publications.waset.org/abstracts/21991/effect-of-integrated-nutrient-management-practice-on-cultivation-scented-rice-varieties-a-better-approach-for-resource-conservation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21991.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">499</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">338</span> Effect of Viscosity in Void Structure with Interacting Variable Charge Dust Grains</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nebbat%20El%20Amine">Nebbat El Amine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The void is a dust free region inside the dust cloud in the plasma. It is found that the dust grain charge variation lead to the extension of the void. Moreover, for bigger dust grains, it is seen that the wave-like structure recedes when charge variation is dealt with. Furthermore, as the grain-grain distance is inversely proportional to density, the grain-grain interaction gets more important for a denser dust population and is to be included in momentum equation. For the result indicate above, the plasma is considered non viscous. But in fact, it’s not always true. Some authors measured experimentally the viscosity of this background and found that the viscosity of dusty plasma increase with background gas pressure. In this paper, we tack account the viscosity of the fluid, and we compare the result with that found in the recent work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=voids" title="voids">voids</a>, <a href="https://publications.waset.org/abstracts/search?q=dusty%20plasmas" title=" dusty plasmas"> dusty plasmas</a>, <a href="https://publications.waset.org/abstracts/search?q=variable%20charge" title=" variable charge"> variable charge</a>, <a href="https://publications.waset.org/abstracts/search?q=viscosity" title=" viscosity"> viscosity</a> </p> <a href="https://publications.waset.org/abstracts/157586/effect-of-viscosity-in-void-structure-with-interacting-variable-charge-dust-grains" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157586.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">89</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">337</span> Study and Fine Characterization of the SS 316L Microstructures Obtained by Laser Beam Melting Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sebastien%20Relave">Sebastien Relave</a>, <a href="https://publications.waset.org/abstracts/search?q=Christophe%20Desrayaud"> Christophe Desrayaud</a>, <a href="https://publications.waset.org/abstracts/search?q=Aurelien%20Vilani"> Aurelien Vilani</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20Sova"> Alexey Sova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Laser beam melting (LBM) is an additive manufacturing process that enables complex 3D parts to be designed. This process is now commonly employed for various applications such as chemistry or energy, requiring the use of stainless steel grades. LBM can offer comparable and sometimes superior mechanical properties to those of wrought materials. However, we observed an anisotropic microstructure which results from the process, caused by the very high thermal gradients along the building axis. This microstructure can be harmful depending on the application. For this reason, control and prediction of the microstructure are important to ensure the improvement and reproducibility of the mechanical properties. This study is focused on the 316L SS grade and aims at understanding the solidification and transformation mechanisms during process. Experiments to analyse the nucleation and growth of the microstructure obtained by the LBM process according to several conditions. These samples have been designed on different type of support bulk and lattice. Samples are produced on ProX DMP 200 LBM device. For the two conditions the analysis of microstructures, thanks to SEM and EBSD, revealed a single phase Austenite with preferential crystallite growth along the (100) plane. The microstructure was presented a hierarchical structure consisting columnar grains sizes in the range of 20-100 µm and sub grains structure of size 0.5 μm. These sub-grains were found in different shapes (columnar and cellular). This difference can be explained by a variation of the thermal gradient and cooling rate or element segregation while no sign of element segregation was found at the sub-grain boundaries. A high dislocation concentration was observed at sub-grain boundaries. These sub-grains are separated by very low misorientation walls ( < 2°) this causes a lattice of curvature inside large grain. A discussion is proposed on the occurrence of these microstructures formation, in regard of the LBM process conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=selective%20laser%20melting" title="selective laser melting">selective laser melting</a>, <a href="https://publications.waset.org/abstracts/search?q=stainless%20steel" title=" stainless steel"> stainless steel</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a> </p> <a href="https://publications.waset.org/abstracts/95697/study-and-fine-characterization-of-the-ss-316l-microstructures-obtained-by-laser-beam-melting-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95697.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">157</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=10">10</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=11">11</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=12">12</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=13">13</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=grains&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div 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