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Extraction of Cu(II) from aqueous solution using di-2-ethylhexylphosphoric acid (D2EHPA) diluted in cooking palm oil: Optimization using response surface methodology (RSM) 二-2-乙基己基磷酸(D2EHPA)从烹调棕榈油中萃取铜(II):响应面法优化
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268800
Siti Fatimah Abdul Halim, Chang Hua, A. N. Mustapa
{"title":"Extraction of Cu(II) from aqueous solution using di-2-ethylhexylphosphoric acid (D2EHPA) diluted in cooking palm oil: Optimization using response surface methodology (RSM)","authors":"Siti Fatimah Abdul Halim, Chang Hua, A. N. Mustapa","doi":"10.1109/SHUSER.2012.6268800","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268800","url":null,"abstract":"This study aimed to develop an optimal condition of Cu(II) extraction from aqueous solution using cooking palm oil as a potential organic solvent. Response surface methodology (RSM) based on central composite rotatable design (CCRD) was used to optimize the two important process variables namely pH equilibrium (pHeq) and D2EHPA concentration for the Cu(II) extraction. The adequacy of the model was examined, and it was found to be statistically significant. The optimum condition for the Cu(II) extraction was as follows: 4.48 pHeq and 76.00 mM D2EHPA concentration. The optimum predicted percentage Cu(II) extraction was 99.58% and the actual value was 98.08%. The above results shows that the RSM study based on CCRD is adaptable for Cu(II) extraction studied and thus cooking palm oil are potential as greener substitutes for the conventional petroleum-based organic solvents.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132762142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Adsorption of Remazol Brilliant Blue R onto treated bottom ash 雷马唑亮蓝R在处理后底灰上的吸附
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268852
H. I. Maarof, S. Rahim, N. Nasuha, A. K. N. Fadzeelah
{"title":"Adsorption of Remazol Brilliant Blue R onto treated bottom ash","authors":"H. I. Maarof, S. Rahim, N. Nasuha, A. K. N. Fadzeelah","doi":"10.1109/SHUSER.2012.6268852","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268852","url":null,"abstract":"The aim of this study is to compare the adsorption capacity of Remazol Brilliant Blue R (RBBR) onto three different coal-based adsorbents namely, untreated bottom ash (BA), H2O2-treated BA and physical-activated BA. The removal of RBBR was determined over a concentration range of 50-500 ppm using batch adsorption experiment at room temperature. The percentage removal of RBBR was decreased with the increase of initial concentration. The comparison of percentage removal of RBBR onto the various adsorbents followed the trend: physical-activated BA >; H2O2-treated BA >; untreated BA. In addition, the adsorption isotherm constant reveals that physical-activated BA gives the highest adsorption capacity of RBBR. Result shows that the adsorption mechanisms of RBBR onto the adsorbents studied are well presented by both Langmuir and Freundlich isotherms.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124216932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Annual interception loss estimation with a simple equation 用一个简单的方程估计年拦截损失
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268823
A. A. Bakar, A. Baki, I. Atan, F. Ali, Z. Yusop, M. K. Khalil
{"title":"Annual interception loss estimation with a simple equation","authors":"A. A. Bakar, A. Baki, I. Atan, F. Ali, Z. Yusop, M. K. Khalil","doi":"10.1109/SHUSER.2012.6268823","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268823","url":null,"abstract":"This study was designed to evaluate a simple equation to estimate an annual interception lost. To design the equation, the input of the equation was modified to a very high resolution data. Statistical relationship between precipitation, temporal resolution and rainfall intensity was determined. Minimum inputs require to be applied in the equation are annual precipitation and the depth of storage capacity of the selected area. To validate the equation, the equation has been applied to several locations in the world including Malaysia. Performance of the equation was evaluated by BIAS efficiency.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116151659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Factors influencing the Thai elderly intention to use smartphone for e-Health services 影响泰国老年人使用智能手机进行电子医疗服务意向的因素
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268881
W. Boontarig, W. Chutimaskul, Vithida Chongsuphajaisiddhi, B. Papasratorn
{"title":"Factors influencing the Thai elderly intention to use smartphone for e-Health services","authors":"W. Boontarig, W. Chutimaskul, Vithida Chongsuphajaisiddhi, B. Papasratorn","doi":"10.1109/SHUSER.2012.6268881","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268881","url":null,"abstract":"Technology can help persuade people to change their attitudes or behaviors. Elderly population is not familiar with information technology but e-Health services can help people maintain a healthy lifestyle. In order for the elderly to get benefits from e-Health services, they need to change their attitudes or behaviors. To make this change, it is necessary to persuade the elderly to embrace the use of smartphone. This research investigated factors that influence the elderly's intention to use e-Health services via a smartphone. According to the UTAUT model, the factors that influence the user's intention to use e-Health services are as follows: Performance Expectancy, Effort Expectancy, Social Influence, and Facilitating Conditions. Although the UTAUT model has been widely used to explain user acceptance and use of technology, lack of experience with recent technological advancement and age related deficiencies makes it less attractive for the elderly to adopt new technologies such as the smartphone. This is directly related to the elderly's perception of whether new technology can benefit to their lives. Hence, in this study, the UTAUT model has been extended to include a `Perceived Value' factor. The proposed model identified factors influencing the elderly's intention to use e-Health services via a smartphone. It is found that `Perceived Value' has a strong significance on the elderly's intention to use smartphone, followed by Facilitating Conditions and Effort Expectancy. In contrast, Performance Expectancy and Social Influence did not have a significant influence on intention. With the proposed model, it is possible to develop better e-Health services to meet the needs of the elderly based on widely available smartphones.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"339 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124767037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 132
Students' experiences in guided computer-based learning: A progressive evaluation 学生在计算机引导下的学习经验:一种渐进式评价
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268799
N. Katuk
{"title":"Students' experiences in guided computer-based learning: A progressive evaluation","authors":"N. Katuk","doi":"10.1109/SHUSER.2012.6268799","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268799","url":null,"abstract":"This study investigated students' experiences in two types of instructional strategies (i.e., fully-guided and partially guided) and their learning experience patterns from the beginning towards the end of the computer-based interactions. An empirical study was performed on 41 students from a public university in Malaysia using two types of computer-based systems for learning Basic Computer Networks. The students' learning experiences were evaluated at three different stages of the computer-based learning sessions using self-report technique. The results showed that the students' learning experiences were changing over the period of the computer-based lessons either in positive or negative ways. The directions of changes were mainly influenced by the students' Information Technology (IT) prior knowledge. The results of this study suggest that computer-based guided learning systems should consider students' background of knowledge in their design to achieve effective learning. Further, the combination of the fully-and partially-guided features may create an adaptive computer-based learning system.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128255264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Finding shortest path of the ambulance routing: Interface of A∗ algorithm using C# programming 救护车路径的最短路径寻找:用c#编程的A *算法接口
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268841
N. A. Nordin, Zati Aqmar Zaharudin, M. A. Maasar, Norridzwan Nordin
{"title":"Finding shortest path of the ambulance routing: Interface of A∗ algorithm using C# programming","authors":"N. A. Nordin, Zati Aqmar Zaharudin, M. A. Maasar, Norridzwan Nordin","doi":"10.1109/SHUSER.2012.6268841","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268841","url":null,"abstract":"In order to ensure the ambulance arrival to patient is within the targeted time, ambulance availability must be ensured and the time taken to arrive can be controlled. Optimal route that able to provide shortest distance must be determined. Thus, an interface is developed to help the ambulance providers in sending the ambulance to a specified ambulance station and emergency site. The interface for the ambulance routing is designed to give shortest path and shortest distance (in km). The results obtained were programmed using C# (pronounced as C sharp) software and the A* algorithm utilized as the engine to determine the shortest distance for the ambulance in the study area.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127381064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 31
Lean production in manual assembly line — A case study 手工装配线的精益生产-案例研究
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268997
Low Shye Nee, Goh Wen Juin, Fow Jun Yan, C. Y. Theng, S. Kamaruddin
{"title":"Lean production in manual assembly line — A case study","authors":"Low Shye Nee, Goh Wen Juin, Fow Jun Yan, C. Y. Theng, S. Kamaruddin","doi":"10.1109/SHUSER.2012.6268997","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268997","url":null,"abstract":"This paper is describing a methodology of improvement project that is carried out in a company that supplies electronic communication plastic parts. By using the lean tools, the focus of the paper is to improve the manual assembly line by adopting lean tool for the process improvement. The process improvement are divided into several phases, from defining the goal until the test run of the solution, with different lean concept being used at different phase. The improvement had been done phase by phase in order to ensure the impact of the improvement. Through the test run, the proposed solution based on concept of Lean production increase profitability based on idling time reduction (81.64%) and operator saving(40%) in operation.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"243 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125278713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Sensitivity analysis using fuzzy linguistic hedges 模糊模糊限制语的敏感性分析
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268902
T. Zamali, M. Lazim, M. Osman
{"title":"Sensitivity analysis using fuzzy linguistic hedges","authors":"T. Zamali, M. Lazim, M. Osman","doi":"10.1109/SHUSER.2012.6268902","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268902","url":null,"abstract":"This paper proposed a new sensitivity analysis approach using the linguistic hedges in fuzzy environment. At the first place, the linguistic hedge was briefly described with emphasis on the two types, namely concentration and dilation. Afterwards the power of concentration or dilation was employed to represent the strength of the hedges A fully linguistic variable was used to assess the entire investigation attribute in a case study. Lastly, the power of both hedge will changed into one level up or down from the basis power for testing purposes The results show that, changing one level up or down power of the hedge cause only small variations of the performance values and the final ranking remains unchanged. Thus, it shows that our proposed approach can be utilised to derive the robust model for decision-making purposes.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114848220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Decolorization of Acid Red 1 by Fenton-like process using acid-activated clay 酸活性粘土类芬顿法对酸性红1号的脱色研究
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6268862
H. Hassan, Z. Wan
{"title":"Decolorization of Acid Red 1 by Fenton-like process using acid-activated clay","authors":"H. Hassan, Z. Wan","doi":"10.1109/SHUSER.2012.6268862","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6268862","url":null,"abstract":"The decolorization of Acid Red 1 (AR1) in aqueous solution was investigated by Fenton-like process. The effect of different reaction parameters such as different iron ions loading on Kuala Kangsar clay (KKC), dosage of catalyst, initial pH, the initial hydrogen peroxide concentration ([H<sub>2</sub>O<sub>2</sub>]<sub>0</sub>), the initial concentration of AR1 ([AR1]<sub>0</sub>) and the reaction temperature on the decolorization of AR1 was studied. The best reacting conditions were found to be 0.60 wt.% of iron ions loading on KKC, dosage catalyst = 3.0 g/L, initial pH = 2.5, [H<sub>2</sub>O<sub>2</sub>]<sub>0</sub> = 8 mM, [AR1]<sub>0</sub> = 50 mg/L at temperature 30 °C. Under these conditions, 99% decolorization of AR1 was achieved within 140 min reaction time. The results proved that this new catalyst is highly effective for the decolorization of AR1 in an aqueous solution.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131062184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Automatic clustering using MOCLONAL for classifying actions of 3D human models 基于mo克隆的三维人体模型动作自动聚类
2012 IEEE Symposium on Humanities, Science and Engineering Research Pub Date : 2012-06-24 DOI: 10.1109/SHUSER.2012.6269011
S. Nanda, Ganapati Panda
{"title":"Automatic clustering using MOCLONAL for classifying actions of 3D human models","authors":"S. Nanda, Ganapati Panda","doi":"10.1109/SHUSER.2012.6269011","DOIUrl":"https://doi.org/10.1109/SHUSER.2012.6269011","url":null,"abstract":"Conventional clustering algorithms use a single objective function optimization criterion for classification which may not provide satisfactory results to determine the underlying clusters in many datasets. In such scenario multi-objective algorithms are preferred which improve the clustering performance due to additional knowledge of data properties in the form of objective functions. In this paper we have proposed an automatic multi-objective clustering algorithm based on clonal selection principle of artificial immune system (AIS) and is termed as MOCLONAL. The proposed algorithm is capable of providing a single best solution from the Pareto optimal archive which mostly satisfy the user requirement. Simulation studies on synthetic and real life datasets demonstrate the superior performance of the proposed algorithm compared to benchmark multi-objective clustering algorithm MOCK. An interesting application of the proposed algorithm have been demonstrated to classify the normal and aggressive actions of 3D human models.","PeriodicalId":426671,"journal":{"name":"2012 IEEE Symposium on Humanities, Science and Engineering Research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129149749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
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