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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> 10657</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: test equipment</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10537</span> Assessment of Designed Outdoor Playspaces as Learning Environments and Its Impact on Child鈥檚 Wellbeing: A Case of Bhopal, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Richa%20Raje">Richa Raje</a>, <a href="https://publications.waset.org/abstracts/search?q=Anumol%20Antony"> Anumol Antony</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Playing is the foremost stepping stone for childhood development. Play is an essential aspect of a child鈥檚 development and learning because it creates meaningful enduring environmental connections and increases children鈥檚 performance. The children鈥檚 proficiencies are ever varying in their course of growth. There is innovation in the activities, as it kindles the senses, surges the love for exploration, overcomes linguistic barriers and physiological development, which in turn allows them to find their own caliber, spontaneity, curiosity, cognitive skills, and creativity while learning during play. This paper aims to comprehend the learning in play which is the most essential underpinning aspect of the outdoor play area. It also assesses the trend of playgrounds design that is merely hammered with equipment's. It attempts to derive a relation between the natural environment and children鈥檚 activities and the emotions/senses that can be evoked in the process. One of the major concerns with our outdoor play is that it is limited to an area with a similar kind of equipment, thus making the play highly regimented and monotonous. This problem is often lead by the strict timetables of our education system that hardly accommodates play. Due to these reasons, the play areas remain neglected both in terms of design that allows learning and wellbeing. Poorly designed spaces fail to inspire the physical, emotional, social and psychological development of the young ones. Currently, the play space has been condensed to an enclosed playground, driveway or backyard which confines the children鈥檚 capability to leap the boundaries set for him. The paper emphasizes on study related to kids ranging from 5 to 11 years where the behaviors during their interactions in a playground are mapped and analyzed. The theory of affordance is applied to various outdoor play areas, in order to study and understand the children鈥檚 environment and how variedly they perceive and use them. A higher degree of affordance shall form the basis for designing the activities suitable in play spaces. It was observed during their play that, they choose certain spaces of interest majority being natural over other artificial equipment. The activities like rolling on the ground, jumping from a height, molding earth, hiding behind tree, etc. suggest that despite equipment they have an affinity towards nature. Therefore, we as designers need to take a cue from their behavior and practices to be able to design meaningful spaces for them, so the child gets the freedom to test their precincts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=children" title="children">children</a>, <a href="https://publications.waset.org/abstracts/search?q=landscape%20design" title=" landscape design"> landscape design</a>, <a href="https://publications.waset.org/abstracts/search?q=learning%20environment" title=" learning environment"> learning environment</a>, <a href="https://publications.waset.org/abstracts/search?q=nature%20and%20play" title=" nature and play"> nature and play</a>, <a href="https://publications.waset.org/abstracts/search?q=outdoor%20play" title=" outdoor play"> outdoor play</a> </p> <a href="https://publications.waset.org/abstracts/108023/assessment-of-designed-outdoor-playspaces-as-learning-environments-and-its-impact-on-childs-wellbeing-a-case-of-bhopal-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108023.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">130</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">10536</span> Investigating the Effects of Data Transformations on a Bi-Dimensional Chi-Square Test</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexandru%20George%20Vaduva">Alexandru George Vaduva</a>, <a href="https://publications.waset.org/abstracts/search?q=Adriana%20Vlad"> Adriana Vlad</a>, <a href="https://publications.waset.org/abstracts/search?q=Bogdan%20Badea"> Bogdan Badea</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, we conduct a Monte Carlo analysis on a two-dimensional 蠂2 test, which is used to determine the minimum distance required for independent sampling in the context of chaotic signals. We investigate the impact of transforming initial data sets from any probability distribution to new signals with a uniform distribution using the Spearman rank correlation on the 蠂2 test. This transformation removes the randomness of the data pairs, and as a result, the observed distribution of 蠂2 test values differs from the expected distribution. We propose a solution to this problem and evaluate it using another chaotic signal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaotic%20signals" title="chaotic signals">chaotic signals</a>, <a href="https://publications.waset.org/abstracts/search?q=logistic%20map" title=" logistic map"> logistic map</a>, <a href="https://publications.waset.org/abstracts/search?q=Pearson%E2%80%99s%20test" title=" Pearson鈥檚 test"> Pearson鈥檚 test</a>, <a href="https://publications.waset.org/abstracts/search?q=Chi%20Square%20test" title=" Chi Square test"> Chi Square test</a>, <a href="https://publications.waset.org/abstracts/search?q=bivariate%20distribution" title=" bivariate distribution"> bivariate distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20independence" title=" statistical independence"> statistical independence</a> </p> <a href="https://publications.waset.org/abstracts/161938/investigating-the-effects-of-data-transformations-on-a-bi-dimensional-chi-square-test" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161938.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">102</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">10535</span> An Analysis of Non-Elliptic Curve Based Primality Tests</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=William%20Wong">William Wong</a>, <a href="https://publications.waset.org/abstracts/search?q=Zakaria%20Alomari"> Zakaria Alomari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hon%20Ching%20Lai"> Hon Ching Lai</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhida%20Li"> Zhida Li</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Modern-day information security depends on implementing Diffie-Hellman, which requires the generation of prime numbers. Because the number of primes is infinite, it is impractical to store prime numbers for use, and therefore, primality tests are indispensable in modern-day information security. A primality test is a test to determine whether a number is prime or composite. There are two types of primality tests, which are deterministic tests and probabilistic tests. Deterministic tests are adopting algorithms that provide a definite answer whether a given number is prime or composite. While in probabilistic tests, a probabilistic result would be provided, there is a degree of uncertainty. In this paper, we review three probabilistic tests: the Fermat Primality Test, the Miller-Rabin Test, and the Baillie-PSW Test, as well as one deterministic test, the Agrawal-Kayal-Saxena (AKS) Test. Furthermore, we do an analysis of these tests. All of the reviews discussed are not based on the Elliptic Curve. The analysis demonstrates that, in the majority of real-world scenarios, the Baillie- PSW test鈥檚 favorability stems from its typical operational complexity of O(log 3n) and its capacity to deliver accurate results for numbers below 2^64. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=primality%20tests" title="primality tests">primality tests</a>, <a href="https://publications.waset.org/abstracts/search?q=Fermat%E2%80%99s%20primality%20test" title=" Fermat鈥檚 primality test"> Fermat鈥檚 primality test</a>, <a href="https://publications.waset.org/abstracts/search?q=Miller-Rabin%20primality%20test" title=" Miller-Rabin primality test"> Miller-Rabin primality test</a>, <a href="https://publications.waset.org/abstracts/search?q=Baillie-PSW%20primality%20test" title=" Baillie-PSW primality test"> Baillie-PSW primality test</a>, <a href="https://publications.waset.org/abstracts/search?q=AKS%20primality%20test" title=" AKS primality test"> AKS primality test</a> </p> <a href="https://publications.waset.org/abstracts/173827/an-analysis-of-non-elliptic-curve-based-primality-tests" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173827.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">95</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">10534</span> Enhanced Iceberg Information Dissemination for Public and Autonomous Maritime Use</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ronald%20Mraz">Ronald Mraz</a>, <a href="https://publications.waset.org/abstracts/search?q=Gary%20C.%20Kessler"> Gary C. Kessler</a>, <a href="https://publications.waset.org/abstracts/search?q=Ethan%20Gold"> Ethan Gold</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20G.%20Cline"> John G. Cline</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The International Ice Patrol (IIP) continually monitors iceberg activity in the North Atlantic by direct observation using ships, aircraft, and satellite imagery. Daily reports detailing navigational boundaries of icebergs have significantly reduced the risk of iceberg contact. What is currently lacking is formatting this data for automatic transmission and display of iceberg navigational boundaries in commercial navigation equipment. This paper describes the methodology and implementation of a system to format iceberg limit information for dissemination through existing radio network communications. This information will then automatically display on commercial navigation equipment. Additionally, this information is reformatted for Google Earth rendering of iceberg track line limits. Having iceberg limit information automatically available in standard navigation equipment will help support full autonomous operation of sailing vessels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iceberg" title="iceberg">iceberg</a>, <a href="https://publications.waset.org/abstracts/search?q=iceberg%20risk" title=" iceberg risk"> iceberg risk</a>, <a href="https://publications.waset.org/abstracts/search?q=iceberg%20track%20lines" title=" iceberg track lines"> iceberg track lines</a>, <a href="https://publications.waset.org/abstracts/search?q=AIS%20messaging" title=" AIS messaging"> AIS messaging</a>, <a href="https://publications.waset.org/abstracts/search?q=international%20ice%20patrol" title=" international ice patrol"> international ice patrol</a>, <a href="https://publications.waset.org/abstracts/search?q=North%20American%20ice%20service" title=" North American ice service"> North American ice service</a>, <a href="https://publications.waset.org/abstracts/search?q=google%20earth" title=" google earth"> google earth</a>, <a href="https://publications.waset.org/abstracts/search?q=autonomous%20surface%20vessels" title=" autonomous surface vessels"> autonomous surface vessels</a> </p> <a href="https://publications.waset.org/abstracts/125523/enhanced-iceberg-information-dissemination-for-public-and-autonomous-maritime-use" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/125523.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">142</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">10533</span> The Analysis of Differential Item and Test Functioning between Sexes by Studying on the Scholastic Aptitude Test 2013</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Panwasn%20Mahalawalert">Panwasn Mahalawalert</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purposes of this research were analyzed differential item functioning and differential test functioning of SWUSAT aptitude test classification by sex variable. The data used in this research is the secondary data from Srinakharinwirot University Scholastic Aptitude Test 2013 (SWUSAT). SWUSAT test consists of four subjects. There are verbal ability test, number ability test, reasoning ability test and spatial ability test. The data analysis was analyzed in 2 steps. The first step was analyzing descriptive statistics. In the second step were analyzed differential item functioning (DIF) and differential test functioning (DTF) by using the DIFAS program. The research results were as follows: The results of DIF and DTF analysis for all 10 tests in year 2013. Gender was the characteristic that found DIF all 10 tests. The percentage of item number that found DIF is between 6.67% - 60%. There are 5 tests that most of items favors female group and 2 tests that most of items favors male group. There are 3 tests that the number of items favors female group equal favors male group. For Differential test functioning (DTF), there are 8 tests that have small level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aptitude%20test" title="aptitude test">aptitude test</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20item%20functioning" title=" differential item functioning"> differential item functioning</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20test%20functioning" title=" differential test functioning"> differential test functioning</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20measurement" title=" educational measurement"> educational measurement</a> </p> <a href="https://publications.waset.org/abstracts/43030/the-analysis-of-differential-item-and-test-functioning-between-sexes-by-studying-on-the-scholastic-aptitude-test-2013" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43030.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">419</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">10532</span> Subsea Control Module (SCM) - A Vital Factor for Well Integrity and Production Performance in Deep Water Oil and Gas Fields</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Okoro%20Ikechukwu%20Ralph">Okoro Ikechukwu Ralph</a>, <a href="https://publications.waset.org/abstracts/search?q=Fuat%20Kara"> Fuat Kara</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The discoveries of hydrocarbon reserves has clearly drifted offshore, and in deeper waters - areas where the industry still has limited knowledge; and that were hitherto, regarded as being out of reach. This shift presents significant and increased challenges in technology requirements needed to guarantee safety of personnel, environment and equipment; ensure high reliability of installed equipment; and provide high level of confidence in security of investment and company reputation. Nowhere are these challenges more apparent than on subsea well integrity and production performance. The past two decades has witnessed enormous rise in deep and ultra-deep water offshore field developments for the recovery of hydrocarbons. Subsea installed equipment at the seabed has been the technology of choice for these developments. This paper discusses the role of Subsea Control module (SCM) as a vital factor for deep-water well integrity and production performance. A case study for Deep-water well integrity and production performance is analysed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=offshore%20reliability" title="offshore reliability">offshore reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20performance" title=" production performance"> production performance</a>, <a href="https://publications.waset.org/abstracts/search?q=subsea%20control%20module" title=" subsea control module"> subsea control module</a>, <a href="https://publications.waset.org/abstracts/search?q=well%20integrity" title=" well integrity"> well integrity</a> </p> <a href="https://publications.waset.org/abstracts/29562/subsea-control-module-scm-a-vital-factor-for-well-integrity-and-production-performance-in-deep-water-oil-and-gas-fields" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29562.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">517</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">10531</span> An Investigation of Differential Item and Test Functioning of Scholastic Aptitude Test 2011 (SWUSAT 2011)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ruangdech%20Sirikit">Ruangdech Sirikit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purposes of this study were analyzed differential item functioning and differential test functioning of SWUSAT aptitude test classification by sex variable. The data used in this research is the secondary data from Srinakharinwirot University Scholastic Aptitude Test 2011 (SWUSAT 2011) SWUSAT test consists of four subjects. There are verbal ability test, number ability test, reasoning ability test and spatial ability test. The data analysis was carried out in 2 steps. The first step was analyzing descriptive statistics. In the second step were analyzed differential item functioning (DIF) and differential test functioning (DTF) by using the DIFAS program. The research results were as follows: The results of data analysis for all 10 tests in year 2011. Sex was the characteristic that found DIF all 10 tests. The percentage of item number that found DIF was between 10% - 46.67%. There are 4 tests that most of items favors female group. There are 3 tests that most of items favors male group and there are 3 tests that the number of items favors female group equal favors male group. For Differential test functioning (DTF), there are 8 tests that have small DIF effect variance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=differential%20item%20functioning" title="differential item functioning">differential item functioning</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20test%20functioning" title=" differential test functioning"> differential test functioning</a>, <a href="https://publications.waset.org/abstracts/search?q=SWUSAT" title=" SWUSAT"> SWUSAT</a>, <a href="https://publications.waset.org/abstracts/search?q=aptitude%20test" title=" aptitude test"> aptitude test</a> </p> <a href="https://publications.waset.org/abstracts/37499/an-investigation-of-differential-item-and-test-functioning-of-scholastic-aptitude-test-2011-swusat-2011" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37499.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">616</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">10530</span> Wally Feelings Test: Validity and Reliability Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G%C3%B6khan%20Kayili">G枚khan Kayili</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramazan%20Ari"> Ramazan Ari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, it is aimed to be adapted Wally Feelings Test to Turkish children and performed the reliability and validity analysis of the test. The sampling of the research was composed of three to five year-old 699 Turkish preschoolers who are attending official and private nursery school. The schools selected with simple random sampling method by considering different socio economic conditions and different central district in Konya. In order to determine reliability of Wally Feelings Test, internal consistency coefficients (KR-20), split-half reliability and test- retest reliability analysis have been performed. During validation process construct validity, content/scope validity and concurrent/criterion validity were used. When validity and reliability of the test examined, it is seen that Wally Feelings Test is a valid and reliable instrument to evaluate three to five year old Turkish children鈥檚 understanding feeling skills. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reliability" title="reliability">reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=validity" title=" validity"> validity</a>, <a href="https://publications.waset.org/abstracts/search?q=wally%20feelings%20test" title=" wally feelings test"> wally feelings test</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20sciences" title=" social sciences"> social sciences</a> </p> <a href="https://publications.waset.org/abstracts/19350/wally-feelings-test-validity-and-reliability-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19350.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">547</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">10529</span> Comparison of Shell-Facemask Responses in American Football Helmets during NOCSAE Drop Tests</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20Alston%20Rush">G. Alston Rush</a>, <a href="https://publications.waset.org/abstracts/search?q=Gus%20A.%20Rush%20III"> Gus A. Rush III</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20F.%20Horstemeyer"> M. F. Horstemeyer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study compares the shell-facemask responses of four commonly used American football helmets, under the National Operating Committee on Standards for Athletic Equipment (NOCSAE) drop impact test method, to show that the test standard would more accurately simulate in-use conditions by modification to include the facemask. In our study, the need for a more vigorous systematic approach to football helmet testing procedures is emphasized by comparing the Head Injury Criterion (HIC), the Gadd Severity Index (SI), and peak acceleration values for different helmets at different locations on the helmet under modified NOCSAE standard drop tower tests. Drop tests were performed on the Rawlings Quantum Plus, Riddell 360, Schutt Ion 4D, and Xenith X2 helmets at eight impact locations, impact velocities of 5.46 and 4.88 meters per second, and helmet configurations with and without facemasks. Analysis of NOCSAE drop test results reveal significant differences (p < 0.05) for when the facemasks were attached to helmets, as compared to the NOCSAE Standard, without facemask configuration. The boundary conditions of the facemask attachment can have up to a 50% decrease (p < 0.001) in helmet performance with respect to peak acceleration. While generally, all helmets with the facemasks gave greater HIC, SI, and acceleration values than helmets without the facemasks, significant helmet dependent variations were observed across impact locations and impact velocities. The variations between helmet responses could be attributed to the unique design features of each helmet tested, which include different liners, chin strap attachments, and faceguard attachment systems. In summary, these comparative drop test results revealed that the current NOCSAE standard test methods need improvement by attaching the facemasks to helmets during testing. The modified NOCSAE football helmet standard test gives a more accurate representation of a helmet鈥檚 performance and its ability to mitigate the on-field impact. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=football%20helmet%20testing" title="football helmet testing">football helmet testing</a>, <a href="https://publications.waset.org/abstracts/search?q=gadd%20severity%20index" title=" gadd severity index"> gadd severity index</a>, <a href="https://publications.waset.org/abstracts/search?q=head%20injury%20criterion" title=" head injury criterion"> head injury criterion</a>, <a href="https://publications.waset.org/abstracts/search?q=mild%20traumatic%20brain%20injury" title=" mild traumatic brain injury"> mild traumatic brain injury</a> </p> <a href="https://publications.waset.org/abstracts/28478/comparison-of-shell-facemask-responses-in-american-football-helmets-during-nocsae-drop-tests" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28478.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">451</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">10528</span> Evaluation Study of Easily Identification of Tactile Symbol on Body Soap Bottle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Doi">K. Doi</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Nishimura"> T. Nishimura</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Fujimoto"> H. Fujimoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Hoshikawa"> Y. Hoshikawa</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Wada"> T. Wada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Japanese industrial standard (JIS) association established one JIS (JIS S 0021) regarding packaging accessible design for people with visual impairments and elderly people in 2000. Recently, tactile symbol on shampoo bottle has been known as one of package accessible design and more effectively used. However, it has been said that people with visual impairment have been not been in trouble with difficulty of identifying body soap bottle between three bottles such as body soap bottle, shampoo bottle, and conditioner bottle. Japanese low vision association asked JIS association to solve this problem. JIS association and Japan cosmetic industry association constituted one review team for solving the problem. The review team asked our research team to make a proposal regarding new tactile symbol on body soap bottle. We conducted user survey and maker survey regarding tactile symbol on body soap bottle with easily identification. Seven test tactile symbol marks were elected in our proposed tactile symbols. In this study, we evaluate easily identification of tactile symbol on body soap bottle. Six visual impaired subjects were participated in our experiment. These subjects were asked to identify body soap bottle between three bottles such as body soap bottle, shampoo bottle, and conditioner bottle. The test tactile symbol on body soap were presented in random order. The test tactile symbols were produced by use of our originally developed 3D raised equipment. From our study, test tactile symbol marks with easily identification were made a short list of our proposed tactile symbols. This knowledge will be helpful in revision of ISO 11156. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tactile%20symbol" title="tactile symbol">tactile symbol</a>, <a href="https://publications.waset.org/abstracts/search?q=easily%20identification" title=" easily identification"> easily identification</a>, <a href="https://publications.waset.org/abstracts/search?q=body%20soap" title=" body soap"> body soap</a>, <a href="https://publications.waset.org/abstracts/search?q=people%20with%20visual%20impairments" title=" people with visual impairments"> people with visual impairments</a> </p> <a href="https://publications.waset.org/abstracts/51767/evaluation-study-of-easily-identification-of-tactile-symbol-on-body-soap-bottle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51767.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">319</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">10527</span> Characterization of a Pure Diamond-Like Carbon Film Deposited by Nanosecond Pulsed Laser Deposition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Camilla%20G.%20Goncalves">Camilla G. Goncalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Benedito%20Christ"> Benedito Christ</a>, <a href="https://publications.waset.org/abstracts/search?q=Walter%20Miyakawa"> Walter Miyakawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20J.%20Abdalla"> Antonio J. Abdalla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work aims to investigate the properties and microstructure of diamond-like carbon film deposited by pulsed laser deposition by ablation of a graphite target in a vacuum chamber on a steel substrate. The equipment was mounted to provide one laser beam. The target of high purity graphite and the steel substrate were polished. The mechanical and tribological properties of the film were characterized using Raman spectroscopy, nanoindentation test, scratch test, roughness profile, tribometer, optical microscopy and SEM images. It was concluded that the pulsed laser deposition (PLD) technique associated with the low-pressure chamber and a graphite target provides a good fraction of sp3 bonding, that the process variable as surface polishing and laser parameter have great influence in tribological properties and in adherence tests performance. The optical microscopy images are efficient to identify the metallurgical bond. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characterization" title="characterization">characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=DLC" title=" DLC"> DLC</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=pulsed%20laser%20deposition" title=" pulsed laser deposition"> pulsed laser deposition</a> </p> <a href="https://publications.waset.org/abstracts/112763/characterization-of-a-pure-diamond-like-carbon-film-deposited-by-nanosecond-pulsed-laser-deposition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112763.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">10526</span> Examining the Relationship between Chi-Square Test Statistics and Skewness of Weibull Distribution: Simulation Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rafida%20M.%20Elobaid">Rafida M. Elobaid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most of the literature on goodness-of-fit test try to provide a theoretical basis for studying empirical distribution functions. Such goodness-of-fit tests are Kolmogorove-Simirnov and Crumer-Von Mises Type tests. However, it is likely that most of literature has not focused in details on the relationship of the values of the test statistics and skewness or kurtosis. The aim of this study is to investigate the behavior of the values of the 蠂2 test statistic with the variation of the skewness of right skewed distribution. A simulation study is conducted to generate random numbers from Weibull distribution. For a fixed sample sizes, different levels of skewness are considered, and the corresponding values of the 蠂2 test statistic are calculated. Using different sample sizes, the results show an inverse relationship between the value of 蠂2 test and the level of skewness for Wiebull distribution, i.e the value of 蠂2 test statistic decreases as the value of skewness increases. The research results also show that with large values of skewness we are more confident that the data follows the assumed distribution. Nonparametric Kendall 蟿 test is used to confirm these results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=goodness-of-fit%20test" title="goodness-of-fit test">goodness-of-fit test</a>, <a href="https://publications.waset.org/abstracts/search?q=chi-square%20test" title=" chi-square test"> chi-square test</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=continuous%20right%20skewed%20distributions" title=" continuous right skewed distributions"> continuous right skewed distributions</a> </p> <a href="https://publications.waset.org/abstracts/43635/examining-the-relationship-between-chi-square-test-statistics-and-skewness-of-weibull-distribution-simulation-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43635.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">424</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">10525</span> Development of Multi-Leaf Collimator-Based Isocenter Verification Tool Using Electrical Portal Imaging Device for Stereotactic Radiosurgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Panatda%20Intanin">Panatda Intanin</a>, <a href="https://publications.waset.org/abstracts/search?q=Sangutid%20Thongsawad"> Sangutid Thongsawad</a>, <a href="https://publications.waset.org/abstracts/search?q=Chirapha%20Tannanonta"> Chirapha Tannanonta</a>, <a href="https://publications.waset.org/abstracts/search?q=Todsaporn%20Fuangrod"> Todsaporn Fuangrod</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Stereotactic radiosurgery (SRS) is a highly precision delivery technique that requires comprehensive quality assurance (QA) tests prior to treatment delivery. An isocenter of delivery beam plays a critical role that affect the treatment accuracy. The uncertainty of isocenter is traditionally accessed using circular cone equipment, Winston-Lutz (WL) phantom and film. This technique is considered time consuming and highly dependent on the observer. In this work, the development of multileaf collimator (MLC)-based isocenter verification tool using electronic portal imaging device (EPID) was proposed and evaluated. A mechanical isocenter alignment with ball bearing diameter 5 mm and circular cone diameter 10 mm fixed to gantry head defines the radiation field was set as the conventional WL test method. The conventional setup was to compare to the proposed setup; using MLC (10 x 10 mm) to define the radiation filed instead of cone. This represents more realistic delivery field than using circular cone equipment. The acquisition from electronic portal imaging device (EPID) and radiographic film were performed in both experiments. The gantry angles were set as following: 0掳, 90掳, 180掳 and 270掳. A software tool was in-house developed using MATLAB/SIMULINK programming to determine the centroid of radiation field and shadow of WL phantom automatically. This presents higher accuracy than manual measurement. The deviation between centroid of both cone-based and MLC-based WL tests were quantified. To compare between film and EPID image, the deviation for all gantry angle was 0.26卤0.19mm and 0.43卤0.30 for cone-based and MLC-based WL tests. For the absolute deviation calculation on EPID images between cone and MLC-based WL test was 0.59卤0.28 mm and the absolute deviation on film images was 0.14卤0.13 mm. Therefore, the MLC-based isocenter verification using EPID present high sensitivity tool for SRS QA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=isocenter%20verification" title="isocenter verification">isocenter verification</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20assurance" title=" quality assurance"> quality assurance</a>, <a href="https://publications.waset.org/abstracts/search?q=EPID" title=" EPID"> EPID</a>, <a href="https://publications.waset.org/abstracts/search?q=SRS" title=" SRS"> SRS</a> </p> <a href="https://publications.waset.org/abstracts/91829/development-of-multi-leaf-collimator-based-isocenter-verification-tool-using-electrical-portal-imaging-device-for-stereotactic-radiosurgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91829.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">159</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">10524</span> End To End Process to Automate Batch Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nagmani%20Lnu">Nagmani Lnu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Often, Quality Engineering refers to testing the applications that either have a User Interface (UI) or an Application Programming Interface (API). We often find mature test practices, standards, and automation regarding UI or API testing. However, another kind is present in almost all types of industries that deal with data in bulk and often get handled through something called a Batch Application. This is primarily an offline application companies develop to process large data sets that often deal with multiple business rules. The challenge gets more prominent when we try to automate batch testing. This paper describes the approaches taken to test a Batch application from a Financial Industry to test the payment settlement process (a critical use case in all kinds of FinTech companies), resulting in 100% test automation in Test Creation and Test execution. One can follow this approach for any other batch use cases to achieve a higher efficiency in their testing process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=batch%20testing" title="batch testing">batch testing</a>, <a href="https://publications.waset.org/abstracts/search?q=batch%20test%20automation" title=" batch test automation"> batch test automation</a>, <a href="https://publications.waset.org/abstracts/search?q=batch%20test%20strategy" title=" batch test strategy"> batch test strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=payments%20testing" title=" payments testing"> payments testing</a>, <a href="https://publications.waset.org/abstracts/search?q=payments%20settlement%20testing" title=" payments settlement testing"> payments settlement testing</a> </p> <a href="https://publications.waset.org/abstracts/181653/end-to-end-process-to-automate-batch-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181653.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">67</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">10523</span> Extension of Motor Skill Assessments in High Schoolage Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Aleem">Abdul Aleem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study aimed to establish age-related normative values for motor skill assessments in Pakistani children aged 15 to 20 years, utilize two motor coordination tests: the Test of Gross Motor Development (TGMD) and the Korper Coordinations test for kinder. In the present study, BMI, age and gender were correlated with the motor performance of the children. The study developed the preliminary normative data for the Test for Gross Motor Development TGMD-2 and KTK test for primary school children. There was a positive correlation between age and TGMD-2 and KTK test scores. All participants performed 100% on the locomotor subset of TGMD-2 test and boys showed better motor proficiency than girls on scores of TGMD-2 test. Moreover, there was a negative correlation between the KTK test score and the BMI of participants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=motor%20competence" title="motor competence">motor competence</a>, <a href="https://publications.waset.org/abstracts/search?q=Korper%20coordinations" title=" Korper coordinations"> Korper coordinations</a>, <a href="https://publications.waset.org/abstracts/search?q=normative%20%20values" title=" normative values"> normative values</a>, <a href="https://publications.waset.org/abstracts/search?q=developmental%20coordination%20disorder" title=" developmental coordination disorder"> developmental coordination disorder</a> </p> <a href="https://publications.waset.org/abstracts/191035/extension-of-motor-skill-assessments-in-high-schoolage-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191035.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">45</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">10522</span> Computer-Based Model for Design Selection of Lightning Arrester for 132/33kV Substation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Uma%20U.%20Uma">Uma U. Uma</a>, <a href="https://publications.waset.org/abstracts/search?q=Uzoechi%20Laz"> Uzoechi Laz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Protection of equipment insulation against lightning over voltages and selection of lightning arrester that will discharge at lower voltage level than the voltage required to breakdown the electrical equipment insulation is examined. The objectives of this paper are to design a computer based model using standard equations for the selection of appropriate lightning arrester with the lowest rated surge arrester that will provide adequate protection of equipment insulation and equally have a satisfactory service life when connected to a specified line voltage in power system network. The effectiveness and non-effectiveness of the earthing system of substation determine arrester properties. MATLAB program with GUI (graphic user interphase) its subprogram is used in the development of the model for the determination of required parameters like voltage rating, impulse spark over voltage, power frequency spark over voltage, discharge current, current rating and protection level of lightning arrester of a specified voltage level of a particular line. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lightning%20arrester" title="lightning arrester">lightning arrester</a>, <a href="https://publications.waset.org/abstracts/search?q=GUIs" title=" GUIs"> GUIs</a>, <a href="https://publications.waset.org/abstracts/search?q=MatLab%20program" title=" MatLab program"> MatLab program</a>, <a href="https://publications.waset.org/abstracts/search?q=computer%20based%20model" title=" computer based model"> computer based model</a> </p> <a href="https://publications.waset.org/abstracts/5446/computer-based-model-for-design-selection-of-lightning-arrester-for-13233kv-substation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5446.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">423</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">10521</span> A Study on the Accelerated Life Cycle Test Method of the Motor for Home Appliances by Using Acceleration Factor </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Youn-Sung%20Kim">Youn-Sung Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mi-Sung%20Kim"> Mi-Sung Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Kun%20Lee"> Jae-Kun Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the accelerated life cycle test method of the motor for home appliances that demand high reliability. Life Cycle of parts in home appliances also should be 10 years because life cycle of the home appliances such as washing machine, refrigerator, TV is at least 10 years. In case of washing machine, the life cycle test method of motor is advanced for 3000 cycle test (1cycle = 2hours). However, 3000 cycle test incurs loss for the time and cost. Objectives of this study are to reduce the life cycle test time and the number of test samples, which could be realized by using acceleration factor for the test time and reduction factor for the number of sample. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accelerated%20life%20cycle%20test" title="accelerated life cycle test">accelerated life cycle test</a>, <a href="https://publications.waset.org/abstracts/search?q=motor%20reliability%20test" title=" motor reliability test"> motor reliability test</a>, <a href="https://publications.waset.org/abstracts/search?q=motor%20for%20washing%20machine" title=" motor for washing machine"> motor for washing machine</a>, <a href="https://publications.waset.org/abstracts/search?q=BLDC%20motor" title=" BLDC motor"> BLDC motor</a> </p> <a href="https://publications.waset.org/abstracts/46400/a-study-on-the-accelerated-life-cycle-test-method-of-the-motor-for-home-appliances-by-using-acceleration-factor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46400.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">642</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">10520</span> Finding the English Competency for Developing Public Health Village Volunteers at Ban Prasukchai in Chumpuang District, Nakhon Ratchasima Province in Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kittivate%20Boonyopakorn">Kittivate Boonyopakorn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purposes of this study were to find the English competence of the public health volunteers and to develop the use of their English. The samples for the study were 41 public health village volunteers at Ban Prasukchai, in Thailand. The findings showed that the sum of all scores for the pre-test was 452, while the score for the post-test was 1,080. Therefore, the results of the experiment confirm that the post-test scores (1,080) significantly are higher than the pre-test (452). The mean score (N=41) for the pre-test was 11.02 while the mean score (N=41) for the post-test was 18.10. The standard deviation for the pre-test was 2.734; however, for the post-test it was 1.934. In addition to the experts-evaluated research tools, the results of the evaluation for the structured interviews (IOC) were 1 in value. The evaluation of congruence for the content with learning objectives (IOC) were 0.66 to 1.00 in value. The evaluation of congruence for the pre and post-test with learning objectives (IOC) are 1 in value. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finding%20the%20English%20competency" title="finding the English competency">finding the English competency</a>, <a href="https://publications.waset.org/abstracts/search?q=developing%20public%20health" title=" developing public health"> developing public health</a>, <a href="https://publications.waset.org/abstracts/search?q=village%20volunteers" title=" village volunteers"> village volunteers</a> </p> <a href="https://publications.waset.org/abstracts/12341/finding-the-english-competency-for-developing-public-health-village-volunteers-at-ban-prasukchai-in-chumpuang-district-nakhon-ratchasima-province-in-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12341.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">454</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">10519</span> Phytochemical and Antioxidant Activity Test of Water Fraction Extract of Sisik Naga (Drymoglossum piloselloides) Leaves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Afifah%20Nur%20Aini">Afifah Nur Aini</a>, <a href="https://publications.waset.org/abstracts/search?q=Elsa%20Mega%20Suryani"> Elsa Mega Suryani</a>, <a href="https://publications.waset.org/abstracts/search?q=Betty%20Lukiaty"> Betty Lukiaty </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Drymoglossum piloselloides or more commonly known as sisik naga fern is a member of Polipodiaceae Family that is abundant and widely distributed in nature. That being said, there hasn鈥檛 been many studies reporting about the benefits of this fern. The aim of this study was to find out the active compounds and antioxidant activity of water fraction extract of sisik naga leaves. The study will be able to optimize the use of this fern in the future. In this study, phytochemical test was done qualitatively by using Mayer, Dragendorff and Wagner reagent for alkaloid test; FeCl3 for phenolic test; Shinoda test for flavonoid; Liebermann-Burchard test for triterprnoid and Forth test for saponin. Antioxidant activity test was done by using 20D spectronic spectrophotometer to determine the percentage of DPPH free radical inhibition. The results showed that water fraction extract of sisik naga leaves contain phenolic and IC50 = 5.44 渭g/ml. This means that sisik naga leaves can be used as an antioxidant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity%20test" title="antioxidant activity test">antioxidant activity test</a>, <a href="https://publications.waset.org/abstracts/search?q=dpph" title=" dpph"> dpph</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemical%20test" title=" phytochemical test"> phytochemical test</a>, <a href="https://publications.waset.org/abstracts/search?q=drymoglossum%20piloselloides" title=" drymoglossum piloselloides"> drymoglossum piloselloides</a> </p> <a href="https://publications.waset.org/abstracts/43437/phytochemical-and-antioxidant-activity-test-of-water-fraction-extract-of-sisik-naga-drymoglossum-piloselloides-leaves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43437.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">918</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">10518</span> Effective Teaching of Thermofluid Pratical Courses during COVID-19</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Opeyemi%20Fadipe">Opeyemi Fadipe</a>, <a href="https://publications.waset.org/abstracts/search?q=Masud%20Salimian"> Masud Salimian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The COVID-19 pandemic has introduced a new normal into the world; online teaching is now the most used method of teaching over the face to face meeting. With the emergency of these teaching, online-teaching has been improved over time and with more technological advancement tools introduced. Practical courses are more demanding to teach because it requires the physical presence of the student as well as a demonstration of the equipment. In this study, a case of Lagos State University thermofluid practical was the understudy. A survey was done and give to a sample of students to fill. The result showed that the blend-approach is better for practical course teaching. Software simulation of the equipment used to conduct practical should be encouraged in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title="COVID-19">COVID-19</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20teaching" title=" online teaching"> online teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=t-distribution" title=" t-distribution"> t-distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=thermofluid" title=" thermofluid"> thermofluid</a> </p> <a href="https://publications.waset.org/abstracts/131962/effective-teaching-of-thermofluid-pratical-courses-during-covid-19" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131962.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">183</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">10517</span> Spread Spectrum with Notch Frequency Using Pulse Coding Method for Switching Converter of Communication Equipment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yasunori%20Kobori">Yasunori Kobori</a>, <a href="https://publications.waset.org/abstracts/search?q=Futoshi%20Fukaya"> Futoshi Fukaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Takuya%20Arafune"> Takuya Arafune</a>, <a href="https://publications.waset.org/abstracts/search?q=Nobukazu%20Tsukiji"> Nobukazu Tsukiji</a>, <a href="https://publications.waset.org/abstracts/search?q=Nobukazu%20Takai"> Nobukazu Takai</a>, <a href="https://publications.waset.org/abstracts/search?q=Haruo%20Kobayashi"> Haruo Kobayashi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes an EMI spread spectrum technique to enable to set notch frequencies using pulse coding method for DC-DC switching converters of communication equipment. The notches in the spectrum of the switching pulses appear at the frequencies obtained from empirically derived equations with the proposed spread spectrum technique using the pulse coding methods, the PWM (Pulse Width Modulation) coding or the PCM (Pulse Cycle Modulation) coding. This technique would be useful for the switching converters in the communication equipment which receives standard radio waves, without being affected by noise from the switching converters. In our proposed technique, the notch frequencies in the spectrum depend on the pulse coding method. We have investigated this technique to apply to the switching converters and found that there is good relationship agreement between the notch frequencies and the empirical equations. The notch frequencies with the PWM coding is equal to the equation F=k/(WL-WS). With the PCM coding, that is equal to the equation F=k/(TL-TS). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=notch%20frequency" title="notch frequency">notch frequency</a>, <a href="https://publications.waset.org/abstracts/search?q=pulse%20coding" title=" pulse coding"> pulse coding</a>, <a href="https://publications.waset.org/abstracts/search?q=spread%20spectrum" title=" spread spectrum"> spread spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=switching%20converter" title=" switching converter"> switching converter</a> </p> <a href="https://publications.waset.org/abstracts/44582/spread-spectrum-with-notch-frequency-using-pulse-coding-method-for-switching-converter-of-communication-equipment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44582.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">381</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">10516</span> Considerations upon Structural Health Monitoring of Small to Medium Wind Turbines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolae%20Constantin">Nicolae Constantin</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%9Etefan%20Sorohan"> 艦tefan Sorohan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The small and medium wind turbines are running in quite different conditions as compared to the big ones. Consequently, they need also a different approach concerning the structural health monitoring (SHM) issues. There are four main differences between the above mentioned categories: (i) significantly smaller dimensions, (ii) considerably higher rotation speed, (iii) generally small distance between the turbine and the energy consumer and (iv) monitoring assumed in many situations by the owner. In such conditions, nondestructive inspections (NDI) have to be made as much as possible with affordable, yet effective techniques, requiring portable and accessible equipment. Additionally, the turbines and accessories should be easy to mount, dispose and repair. As the materials used for such unit can be metals, composites and combined, the technologies should be adapted accordingly. An example in which the two materials co-exist is the situation in which the damaged metallic skin of a blade is repaired with a composite patch. The paper presents the inspection of the bonding state of the patch, using portable ultrasonic equipment, able to put in place the Lamb wave method, which proves efficient in global and local inspections as well. The equipment is relatively easy to handle and can be borrowed from specialized laboratories or used by a community of small wind turbine users, upon the case. This evaluation is the first in a row, aimed to evaluate efficiency of NDI performed with rather accessible, less sophisticated equipment and related inspection techniques, having field inspection capabilities. The main goal is to extend such inspection procedures to other components of the wind power unit, such as the support tower, water storage tanks, etc. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=structural%20health%20monitoring" title="structural health monitoring">structural health monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20wind%20turbines" title=" small wind turbines"> small wind turbines</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20inspection" title=" non-destructive inspection"> non-destructive inspection</a>, <a href="https://publications.waset.org/abstracts/search?q=field%20inspection%20capabilities" title=" field inspection capabilities"> field inspection capabilities</a> </p> <a href="https://publications.waset.org/abstracts/27146/considerations-upon-structural-health-monitoring-of-small-to-medium-wind-turbines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27146.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">343</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">10515</span> Design and Development of Engine Valve Train Wear Test Rig for the Assessment of Valve Train Tribochemistry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Manjunath">V. Manjunath</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20V.%20Chandrashekara"> C. V. Chandrashekara</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ecosystem authority calls for the use of lubricants with less effect on the nature in terms of exhaust emission, while engine user demands more mileage per liter of fuel without any compromise on engine durability. From this viewpoint, engine manufacturers require the optimum combination of materials and lubricant additive package to minimize friction and wear in the engine components like piston, crankshaft and valve train etc. The demands are placed for requirements to operate at higher speeds, loads, temperature and for extended replacement intervals of engine oil. Besides, it is necessary to accurately predict the lubricant life or the replacement interval to prevent lubrication and valve-train components failure. Experimental tribology evaluation of new engine oils requires large amount of time and energy. Hence low cost bench test is necessary for industries and original equipment manufacturing companies (OEM) to study the performance of lubricants. The present work outlines the procedure for the design and development of a valve train wear rig (MCR) to simulate the ASTMD-6891 and to develop new engine test for Indian automobile sector to evaluate lubricants for Indian automobile market. In order to improve the lubrication between cam and follower of internal combustion engine, the influence of materials or oils viscosity and additives on the friction and wear characteristics are examined with test rig by increasing the contact load at two different revolution speed. From the experimentation following results are made obvious. Temperature, Torque, speed and wear plots are used to validate the data obtained from the newly developed multi-cam cam rig (MCR) with follower against a cast iron camshaft. Camshaft lobe wear is measured at seven different locations on cam profile. Tribofilm formed using 5W-30 oil is evaluated and correlated with the standard test results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ASTMD-6891" title="ASTMD-6891">ASTMD-6891</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-cam%20rig%20%28MCR%29" title=" multi-cam rig (MCR)"> multi-cam rig (MCR)</a>, <a href="https://publications.waset.org/abstracts/search?q=5W-30" title=" 5W-30"> 5W-30</a>, <a href="https://publications.waset.org/abstracts/search?q=cam-profile" title=" cam-profile"> cam-profile</a> </p> <a href="https://publications.waset.org/abstracts/73458/design-and-development-of-engine-valve-train-wear-test-rig-for-the-assessment-of-valve-train-tribochemistry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73458.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">180</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">10514</span> A Key Parameter in Ocean Thermal Energy Conversion Plant Design and Operation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yongjian%20Gu">Yongjian Gu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ocean thermal energy is one of the ocean energy sources. It is a renewable, sustainable, and green energy source. Ocean thermal energy conversion (OTEC) applies the ocean temperature gradient between the warmer surface seawater and the cooler deep seawater to run a heat engine and produce a useful power output. Unfortunately, the ocean temperature gradient is not big. Even in the tropical and equatorial regions, the surface water temperature can only reach up to 28oC and the deep water temperature can be as low as 4oC. The thermal efficiency of the OTEC plants, therefore, is low. In order to improve the plant thermal efficiency by using the limited ocean temperature gradient, some OTEC plants use the method of adding more equipment for better heat recovery, such as heat exchangers, pumps, etc. Obviously, the method will increase the plant's complexity and cost. The more important impact of the method is the additional equipment needs to consume power too, which may have an adverse effect on the plant net power output, in turn, the plant thermal efficiency. In the paper, the author first describes varied OTEC plants and the practice of using the method of adding more equipment for improving the plant's thermal efficiency. Then the author proposes a parameter, plant back works ratio 蠒, for measuring if the added equipment is appropriate for the plant thermal efficiency improvement. Finally, in the paper, the author presents examples to illustrate the application of the back work ratio 蠒 as a key parameter in the OTEC plant design and operation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ocean%20thermal%20energy" title="ocean thermal energy">ocean thermal energy</a>, <a href="https://publications.waset.org/abstracts/search?q=ocean%20thermal%20energy%20conversion%20%28OTEC%29" title=" ocean thermal energy conversion (OTEC)"> ocean thermal energy conversion (OTEC)</a>, <a href="https://publications.waset.org/abstracts/search?q=OTEC%20plant" title=" OTEC plant"> OTEC plant</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20back%20work%20ratio%20%CF%95" title=" plant back work ratio 蠒"> plant back work ratio 蠒</a> </p> <a href="https://publications.waset.org/abstracts/141985/a-key-parameter-in-ocean-thermal-energy-conversion-plant-design-and-operation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141985.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">200</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">10513</span> Automated Test Data Generation For some types of Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hitesh%20Tahbildar">Hitesh Tahbildar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The cost of test data generation for a program is computationally very high. In general case, no algorithm to generate test data for all types of algorithms has been found. The cost of generating test data for different types of algorithm is different. Till date, people are emphasizing the need to generate test data for different types of programming constructs rather than different types of algorithms. The test data generation methods have been implemented to find heuristics for different types of algorithms. Some algorithms that includes divide and conquer, backtracking, greedy approach, dynamic programming to find the minimum cost of test data generation have been tested. Our experimental results say that some of these types of algorithm can be used as a necessary condition for selecting heuristics and programming constructs are sufficient condition for selecting our heuristics. Finally we recommend the different heuristics for test data generation to be selected for different types of algorithms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ongest%20path" title="ongest path">ongest path</a>, <a href="https://publications.waset.org/abstracts/search?q=saturation%20point" title=" saturation point"> saturation point</a>, <a href="https://publications.waset.org/abstracts/search?q=lmax" title=" lmax"> lmax</a>, <a href="https://publications.waset.org/abstracts/search?q=kL" title=" kL"> kL</a>, <a href="https://publications.waset.org/abstracts/search?q=kS" title=" kS"> kS</a> </p> <a href="https://publications.waset.org/abstracts/2406/automated-test-data-generation-for-some-types-of-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2406.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">411</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">10512</span> A Study on the Current State and Policy Implications of Engineer Operated National Research Facility and Equipment in Korea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chang-Yong%20Kim">Chang-Yong Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Dong-Woo%20Kim"> Dong-Woo Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Whon-Hyun%20Lee"> Whon-Hyun Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong-Joo%20Kim"> Yong-Joo Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Tae-Won%20Chung"> Tae-Won Chung</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyung-Mi%20Lee"> Kyung-Mi Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Han-Sol%20Kim"> Han-Sol Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Eun-Joo%20Lee"> Eun-Joo Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Euh%20Duck%20Jeong"> Euh Duck Jeong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the past, together with the annual increase in investment on national R&D projects, the government鈥檚 budget investment in FE has steadily maintained. In the case of major developed countries, R&D and its supporting works are distinguished and professionalized in their own right, in so far as having a training system for facilities, equipment operation, and maintenance personnel. In Korea, however, research personnel conduct both research and equipment operation, leading to quantitative shortages of operational manpower and qualitative problems due to insecure employment such as maintenance issues or the loss of effectiveness of necessary equipment. Therefore, the purpose of this study was to identify the current status of engineer operated national research FE in Korea based on a 2017 survey results of domestic facilities and to suggest policy implications. A total of 395 research institutes that carried out national R&D projects and registered more than two FE since 2005 were surveyed on-line for two months. The survey showed that 395 non-profit research facilities were operating 45,155 pieces of equipment with 2,211 engineer operated national research FE, meaning that each engineer had to manage 21 items of FE. Among these, 43.9% of the workers were employed in temporary positions, including indefinite term contracts. Furthermore, the salary and treatment of the engineer personnel were relatively low compared to researchers. In short, engineers who exclusively focused on managing and maintaining FE play a very important role in increasing research immersion and obtaining highly reliable research results. Moreover, institutional efforts and government support for securing operators are severely lacking as domestic national R&D policies are mostly focused on researchers. The 2017 survey on FE also showed that 48.1% of all research facilities did not even employ engineers. In order to solve the shortage of the engineer personnel, the government will start the pilot project in 2012, and then only the 'research equipment engineer training project' from 2013. Considering the above, a national long-term manpower training plan that addresses the quantitative and qualitative shortage of operators needs to be established through a study of the current situation. In conclusion, the findings indicate that this should not only include a plan which connects training to employment but also measures the creation of additional jobs by re-defining and re-establishing operator roles and improving working conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=engineer" title="engineer">engineer</a>, <a href="https://publications.waset.org/abstracts/search?q=Korea" title=" Korea"> Korea</a>, <a href="https://publications.waset.org/abstracts/search?q=maintenance" title=" maintenance"> maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=operation" title=" operation"> operation</a>, <a href="https://publications.waset.org/abstracts/search?q=research%20facilities%20and%20equipment" title=" research facilities and equipment"> research facilities and equipment</a> </p> <a href="https://publications.waset.org/abstracts/93257/a-study-on-the-current-state-and-policy-implications-of-engineer-operated-national-research-facility-and-equipment-in-korea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93257.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">194</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">10511</span> Patent on Brian: Brain Waves Stimulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jalil%20Qoulizadeh">Jalil Qoulizadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Sadeghi"> Hasan Sadeghi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brain waves are electrical wave patterns that are produced in the human brain. Knowing these waves and activating them can have a positive effect on brain function and ultimately create an ideal life. The brain has the ability to produce waves from 0.1 to above 65 Hz. (The Beta One device produces exactly these waves) This is because it is said that the waves produced by the Beta One device exactly match the waves produced by the brain. The function and method of this device is based on the magnetic stimulation of the brain. The technology used in the design and produc茻on of this device works in a way to strengthen and improve the frequencies of brain waves with a pre-defined algorithm according to the type of requested function, so that the person can access the expected functions in life activities. to perform better. The effect of this field on neurons and their stimulation: In order to evaluate the effect of this field created by the device, on the neurons, the main tests are by conducting electroencephalography before and after stimulation and comparing these two baselines by qEEG or quantitative electroencephalography method using paired t-test in 39 subjects. It confirms the significant effect of this field on the change of electrical activity recorded after 30 minutes of stimulation in all subjects. The Beta One device is able to induce the appropriate pattern of the expected functions in a soft and effective way to the brain in a healthy and effective way (exactly in accordance with the harmony of brain waves), the process of brain activities first to a normal state and then to a powerful one. Production of inexpensive neuroscience equipment (compared to existing rTMS equipment) Magnetic brain stimulation for clinics - homes - factories and companies - professional sports clubs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stimulation" title="stimulation">stimulation</a>, <a href="https://publications.waset.org/abstracts/search?q=brain" title=" brain"> brain</a>, <a href="https://publications.waset.org/abstracts/search?q=waves" title=" waves"> waves</a>, <a href="https://publications.waset.org/abstracts/search?q=betaOne" title=" betaOne"> betaOne</a> </p> <a href="https://publications.waset.org/abstracts/160354/patent-on-brian-brain-waves-stimulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160354.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">88</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">10510</span> Comparative Study on Soil Tillage Using Rotary Tiller and Power Harrow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Watcharachan%20Sukcharoenvipharat">Watcharachan Sukcharoenvipharat</a>, <a href="https://publications.waset.org/abstracts/search?q=Prathuang%20Usaborisut"> Prathuang Usaborisut</a>, <a href="https://publications.waset.org/abstracts/search?q=Sirisak%20Choedkiatphon"> Sirisak Choedkiatphon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Farmers try to reduce steps of soil preparation by using subsoiler and then following by equipment for soil pulverization such as a rotary tiller and a power harrow which take advantage of using a power take-off of a tractor. Therefore, this study was conducted to compare the tilling performances of a rotary tiller and a power harrow applying after subsoiling. The results showed that both the rotary tiller and the power harrow had negative slip, indicating that they generated force to push a tractor. The rotary tiller created negative vertical force to lift up the tractor whereas opposite result was found when using the power harrow. Since working depths were different, vertical forces, torques and PTO powers for two equipment types were significantly different. However, no significant differences were found for the forward speeds, slips, drawbar pulls and drawbar powers. Comparative analysis showed that two equipment types had significant difference in PTO power to working depth, drawbar power to working depth, PTO power to working area, drawbar power to working area and soil pulverization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rotary%20Tiller" title="Rotary Tiller">Rotary Tiller</a>, <a href="https://publications.waset.org/abstracts/search?q=Power%20Harrow" title=" Power Harrow"> Power Harrow</a>, <a href="https://publications.waset.org/abstracts/search?q=Drawbar%20Pull" title=" Drawbar Pull"> Drawbar Pull</a>, <a href="https://publications.waset.org/abstracts/search?q=Drawbar%20Power" title=" Drawbar Power"> Drawbar Power</a>, <a href="https://publications.waset.org/abstracts/search?q=PTO%20Power" title=" PTO Power"> PTO Power</a> </p> <a href="https://publications.waset.org/abstracts/66141/comparative-study-on-soil-tillage-using-rotary-tiller-and-power-harrow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66141.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">305</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">10509</span> Relationship between the Yo-Yo Intermittent Recovery Test Level 1 and Anaerobic Performance Tests in Youth Soccer Players</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Turgay%20Ozgur">Turgay Ozgur</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahar%20Ozgur"> Bahar Ozgur</a>, <a href="https://publications.waset.org/abstracts/search?q=Gurcan%20Yazici"> Gurcan Yazici</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aims of the study were to investigate the relationship between the Yo-Yo intermittent recovery test level 1 (YYIR1) and relatively easy to conduct anaerobic power tests such as Sergeant (SJ) and Standing Broad Jump (SBJ), the flexibility Sit&Reach test (S&R) and Hexagon Agility (HA) test in twenty youth soccer players, aged 14 years. Players completed YYIR1 and other performance tests [(SJ), (SBJ] in two consecutive days. The mean YYIR1 distances for the players was 1454 卤 420 m. Peak Anaerobic Power (PAPw) was calculated using SJ (cm) scores. The mean PAPw was 2966,83w. Spearman鈥檚 correlation test results revealed that there is a statistically significant negative correlation between HA and YYIR1 tests (r = -0.72, p=0.000) and no significant correlation was found between anaerobic power tests and YYIR1. In conclusion, as a test to measure player鈥檚 intermittent aerobic capacity YYIR1 test and anaerobic power test results have not shown significant correlation. Although the YYIR1 test has been used in talent identification, anaerobic qualifications of player鈥檚 should be assessed using designated performance tests. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=yo-yo%20test" title="yo-yo test">yo-yo test</a>, <a href="https://publications.waset.org/abstracts/search?q=anaerobic%20power" title=" anaerobic power"> anaerobic power</a>, <a href="https://publications.waset.org/abstracts/search?q=soccer" title=" soccer"> soccer</a>, <a href="https://publications.waset.org/abstracts/search?q=sergeant%20jump%20test" title=" sergeant jump test"> sergeant jump test</a> </p> <a href="https://publications.waset.org/abstracts/60513/relationship-between-the-yo-yo-intermittent-recovery-test-level-1-and-anaerobic-performance-tests-in-youth-soccer-players" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60513.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">396</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">10508</span> Theory of Constraints: Approach for Performance Enhancement and Boosting Overhaul Activities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sunil%20Dutta">Sunil Dutta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Synchronization is defined as 鈥榯he sequencing and re-sequencing of all relative and absolute activities in time and space and continuous alignment of those actions with purposeful objective in a complex and dynamic atmosphere. In a complex and dynamic production / maintenance setup, no single group can work in isolation for long. In addition, many activities in projects take place simultaneously at the same time. Work of every section / group is interwoven with work of others. The various activities / interactions which take place in production / overhaul workshops are interlinked because of physical requirements (information, material, workforces, equipment, and space) and dependencies. The activity sequencing is determined by physical dependencies of various department / sections / units (e.g., inventory availability must be ensured before stripping and disassembling of equipment), whereas resource dependencies do not. Theory of constraint facilitates identification, analyses and exploitation of the constraint in methodical manner. These constraints (equipment, manpower, policies etc.) prevent the department / sections / units from getting optimum exploitation of available resources. The significance of theory of constraints for achieving synchronization at overhaul workshop is illustrated in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=synchronization" title="synchronization">synchronization</a>, <a href="https://publications.waset.org/abstracts/search?q=overhaul" title=" overhaul"> overhaul</a>, <a href="https://publications.waset.org/abstracts/search?q=throughput" title=" throughput"> throughput</a>, <a href="https://publications.waset.org/abstracts/search?q=obsolescence" title=" obsolescence"> obsolescence</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainty" title=" uncertainty"> uncertainty</a> </p> <a href="https://publications.waset.org/abstracts/39462/theory-of-constraints-approach-for-performance-enhancement-and-boosting-overhaul-activities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39462.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">354</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=test%20equipment&page=4" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=test%20equipment&page=1">1</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=test%20equipment&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=test%20equipment&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=test%20equipment&page=4">4</a></li> <li class="page-item active"><span class="page-link">5</span></li> <li class="page-item"><a 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