Search results for: Carlito Tabelin

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Tabelin</title> <meta name="description" content="Search results for: Carlito Tabelin"> <meta name="keywords" content="Carlito Tabelin"> <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 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Carlito Tabelin"> <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> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Carlito Tabelin</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Potential Application of Modified Diglycolamide Resin for Rare Earth Element Extraction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Junnile%20Romero">Junnile Romero</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilhwan%20Park"> Ilhwan Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Vannie%20Joy%20Resabal"> Vannie Joy Resabal</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlito%20Tabelin"> Carlito Tabelin</a>, <a href="https://publications.waset.org/abstracts/search?q=Richard%20Alorro"> Richard Alorro</a>, <a href="https://publications.waset.org/abstracts/search?q=Leaniel%20Silva"> Leaniel Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Joshua%20Zoleta"> Joshua Zoleta</a>, <a href="https://publications.waset.org/abstracts/search?q=Takunda%20Mandu"> Takunda Mandu</a>, <a href="https://publications.waset.org/abstracts/search?q=Kosei%20Aikawa"> Kosei Aikawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayumi%20Ito"> Mayumi Ito</a>, <a href="https://publications.waset.org/abstracts/search?q=Naoki%20Hiroyoshi"> Naoki Hiroyoshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rare earth elements (REE) play a vital role in technological advancement due to their unique physical and chemical properties essential for various renewable energy applications. However, this increasing demand represents a challenging task for sustainability that corresponds to various research interests relating to the development of various extraction techniques, particularly on the extractant being used. In this study, TK221 (a modified polymer resin containing diglycolamide, carbamoyl methyl phosphine oxide (CMPO), and diglycolamide (DGA-N)) has been investigated as a conjugate extractant. FTIR and SEM analysis results confirmed the presence of CMPO and DGA-N being coated onto the PS-DVB support of TK221. Moreover, the kinetic rate law and adsorption isotherm batch test was investigated to understand the corresponding adsorption mechanism. The results show that REEs’ (Nd, Y, Ce, and Er) obtained pseudo-second-order kinetics and Langmuir isotherm, suggesting that the adsorption mechanism undergoes a single monolayer adsorption site via a chemisorption process. The Qmax values of Nd, Ce, Er, Y, and Fe were 45.249 mg/g, 43.103 mg/g, 35.088 mg/g, 15.552 mg/g, and 12.315 mg/g, respectively. This research further suggests that TK221 polymer resin can be used as an alternative absorbent material for an effective REE extraction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rare%20earth%20element" title="rare earth element">rare earth element</a>, <a href="https://publications.waset.org/abstracts/search?q=diglycolamide" title=" diglycolamide"> diglycolamide</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization" title=" characterization"> characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=extraction%20resin" title=" extraction resin"> extraction resin</a> </p> <a href="https://publications.waset.org/abstracts/161913/potential-application-of-modified-diglycolamide-resin-for-rare-earth-element-extraction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161913.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">2</span> Experimental Measurements of Fire Retardants on Plywood at Fire Test</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gisele%20C.%20A.%20Martins">Gisele C. A. Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Leonardo%20A.%20Marcolin"> Leonardo A. Marcolin</a>, <a href="https://publications.waset.org/abstracts/search?q=Laurenn%20B.%20de%20Macedo"> Laurenn B. de Macedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20A.%20Rocco%20Lahr"> Francisco A. Rocco Lahr</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlito%20Calil%20Jr"> Carlito Calil Jr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use and development of wood composite materials increased in the past few years. However, in Brazil there are some restrictions on these products regarding their use since it could be considered a potential risk in a fire situation. Thus, becomes evident the need for research aiming to fit these in safety standards. This study aims to evaluate the efficiency of two new fire retardant products produced by a Brazilian industry. Tests were performed on plywood panels of Pinus spp previously immersed, varying the products concentrations and compared with untreated samples. The test used to evaluate the flame spread in a panel was the modified Schlyter test. The product in question was proved efficient, before and after shutting off the burner. Comparing panels with the panels without treatment, there was a decrease of 400% of the height of the flame spread on the treated ones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fire%20retardant" title="fire retardant">fire retardant</a>, <a href="https://publications.waset.org/abstracts/search?q=flame%20spread" title=" flame spread"> flame spread</a>, <a href="https://publications.waset.org/abstracts/search?q=plywood" title=" plywood"> plywood</a>, <a href="https://publications.waset.org/abstracts/search?q=wood-based%20material" title=" wood-based material"> wood-based material</a> </p> <a href="https://publications.waset.org/abstracts/18989/experimental-measurements-of-fire-retardants-on-plywood-at-fire-test" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18989.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">433</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">1</span> Effect of Heavy Metals on the Life History Trait of Heterocephalobellus sp. and Cephalobus sp. (Nematode: Cephalobidae) Collected from a Small-Scale Mining Site, Davao de Oro, Philippines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alissa%20Jane%20S.%20Mondejar">Alissa Jane S. Mondejar</a>, <a href="https://publications.waset.org/abstracts/search?q=Florifern%20C.%20Paglinawan"> Florifern C. Paglinawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Nanette%20Hope%20N.%20Sumaya"> Nanette Hope N. Sumaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Joey%20Genevieve%20T.%20Martinez"> Joey Genevieve T. Martinez</a>, <a href="https://publications.waset.org/abstracts/search?q=Mylah%20Villacorte-Tabelin"> Mylah Villacorte-Tabelin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mining is associated with increased heavy metals in the environment, and heavy metal contamination disrupts the activities of soil fauna, such as nematodes, causing changes in the function of the soil ecosystem. Previous studies found that nematode community composition and diversity indices were strongly affected by heavy metals (e.g., Pb, Cu, and Zn). In this study, the influence of heavy metals on nematode survivability and reproduction were investigated. Life history analysis of the free-living nematodes, Heterocephalobellus sp. and Cephalobus sp. (Rhabditida: Cephalobidae) were assessed using the hanging drop technique, a technique often used in life history trait experiments. The nematodes were exposed to different temperatures, i.e.,20°C, 25°C, and 30°C, in different groups (control and heavy metal exposed) and fed with the same bacterial density of 1×109 Escherichia coli cells ml-1 for 30 days. Results showed that increasing temperature and exposure to heavy metals had a significant influence on the survivability and egg production of both species. Heterocephalobellus sp. and Cephalobus sp., when exposed to 20°C survived longer and produced few numbers of eggs but without subsequent hatching. Life history parameters of Heterocephalobellus sp. showed that the value of parameters was higher in the control group under net production rate (R0), fecundity (mx) which is also the same value for the total fertility rate (TFR), generation times (G0, G₁, and Gh) and Population doubling time (PDT). However, a lower rate of natural increase (rm) was observed since generation times were higher. Meanwhile, the life history parameters of Cephalobus sp. showed that the value of net production rate (R0) was higher in the exposed group. Fecundity (mx) which is also the same value for the TFR, G0, G1, Gh, and PDT, were higher in the control group. However, a lower rate of natural increase (rm) was observed since generation times were higher. In conclusion, temperature and exposure to heavy metals had a negative influence on the life history of the nematodes, however, further experiments should be considered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artisanal%20and%20small-scale%20gold%20mining%20%28ASGM%29" title="artisanal and small-scale gold mining (ASGM)">artisanal and small-scale gold mining (ASGM)</a>, <a href="https://publications.waset.org/abstracts/search?q=hanging%20drop%20method" title=" hanging drop method"> hanging drop method</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=life%20history%20trait." title=" life history trait."> life history trait.</a> </p> <a href="https://publications.waset.org/abstracts/152680/effect-of-heavy-metals-on-the-life-history-trait-of-heterocephalobellus-sp-and-cephalobus-sp-nematode-cephalobidae-collected-from-a-small-scale-mining-site-davao-de-oro-philippines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152680.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">97</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" 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Search results for: Carlito Tabelin