APCBEE Procedia最新文献

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Application of Particle Swarm Optimization Algorithm for Computing Critical Depth of Horseshoe Cross Section Tunnel 粒子群优化算法在马蹄形断面隧道临界深度计算中的应用
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-09 DOI: 10.1016/j.apcbee.2014.01.037
Ayoub Bahmanikashkooli , Majid Zare , Bahman Safarpour , Mostafa Safarpour
{"title":"Application of Particle Swarm Optimization Algorithm for Computing Critical Depth of Horseshoe Cross Section Tunnel","authors":"Ayoub Bahmanikashkooli ,&nbsp;Majid Zare ,&nbsp;Bahman Safarpour ,&nbsp;Mostafa Safarpour","doi":"10.1016/j.apcbee.2014.01.037","DOIUrl":"10.1016/j.apcbee.2014.01.037","url":null,"abstract":"<div><p>Critical depth is an important parameter in the design, operation and maintenance of open channels and analysis of gradually varied flow. For horseshoe cross section channels, the governing equations are highly nonlinear in the critical flow depth and thus solution of the implicit equations involves time consuming numerical methods. In current research, through conversion of critical depth equation to an objective function and then its minimization by using Particle Swarm Optimization algorithm, we calculate critical depth in horseshoe channels. The accuracy of the proposed model was also evaluated by comparing with existing equations. Furthermore this method can be used to deal with other optimization problems in hydraulic engineering.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"9 ","pages":"Pages 207-211"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.01.037","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89165611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Photocatalytic Reduction of Nitrate over Fe-modified TiO2 铁修饰TiO2光催化还原硝酸盐
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-12-16 DOI: 10.1016/j.apcbee.2014.10.060
K. Kobwittaya, S. Sirivithayapakorn
{"title":"Photocatalytic Reduction of Nitrate over Fe-modified TiO2","authors":"K. Kobwittaya,&nbsp;S. Sirivithayapakorn","doi":"10.1016/j.apcbee.2014.10.060","DOIUrl":"10.1016/j.apcbee.2014.10.060","url":null,"abstract":"<div><p>This research work investigated the photocatalytic nitrate reduction under the system using Fe-TiO<sub>2</sub> thin film catalyst with formic acid as the hole scavenger and irradiation with black-light fluorescence lamps. The Fe-TiO<sub>2</sub> thin films with 0.1% weight by volume (w/v) of Fe as dopant were coated onto the 304 stainless steel surface by the sol-gel method. The system showed the overall nitrate removal efficiency of 70.44% with the net photocatalytic nitrate reduction efficiency of 65.97%. The stoichiometric ratio of net formate to nitrate was 2.86 to 1.0, which is close to the theoretical ratio of 2.5 to 1.0 for nitrate reduction to nitrogen gas. The presence of nitrite in the system together with the aforementioned formate to nitrate ratio indicated that the main mechanism of nitrate removal was nitrate reduction to nitrogen gas.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"10 ","pages":"Pages 321-325"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.10.060","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88385688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Isolation, Identification of a Halotolerant Acid Red B Degrading Strain and its Decolorization Performance 耐盐酸红B降解菌株的分离、鉴定及其脱色性能
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-09 DOI: 10.1016/j.apcbee.2014.01.024
Cai Feng, Chen Fang-yan, Tang Yu-bin
{"title":"Isolation, Identification of a Halotolerant Acid Red B Degrading Strain and its Decolorization Performance","authors":"Cai Feng,&nbsp;Chen Fang-yan,&nbsp;Tang Yu-bin","doi":"10.1016/j.apcbee.2014.01.024","DOIUrl":"10.1016/j.apcbee.2014.01.024","url":null,"abstract":"<div><p>One salt-tolerant strain (named P-1) which can efficiently degrade azo dye acid red B was isolated and screened from activated sludge of a wastewater treatment unit of a dye plant. On the basis of morphological observation, physiological and biochemical test, 26S rDNA gene sequence and phylogeny analysis, the strain P-1 was identified as <em>Pichia kudriavzevii</em> strain. The effect of salinity, initial concentration of acid red B solutions, temperature and pH on decolorization performance was investigated to optimize decolorization conditions. The results showed that, the optimal conditions for degradation of acid red B by strain P-1 were: salinity, 10%; initial concentration of acid red B solutions, 100<!--> <!-->mg/L; temperature, 33<sup>o</sup>C; pH, 5.0. Under the optimal conditions, the degradation rate of acid red B reached 94.29%.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"9 ","pages":"Pages 131-139"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.01.024","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83979609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
The Influence of Reward and Penalty on Households’ Recycling Intention 奖励与惩罚对居民回收意愿的影响
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-12-16 DOI: 10.1016/j.apcbee.2014.10.036
Farshad Amini , Jasmine Ahmad , Abdul Rauf Ambali
{"title":"The Influence of Reward and Penalty on Households’ Recycling Intention","authors":"Farshad Amini ,&nbsp;Jasmine Ahmad ,&nbsp;Abdul Rauf Ambali","doi":"10.1016/j.apcbee.2014.10.036","DOIUrl":"10.1016/j.apcbee.2014.10.036","url":null,"abstract":"<div><p>The objective of this paper is to investigate the influences of economic instruments on households’ recycling intention in order to help Malaysian government to apply a proper intervention in advancing and enforcing recycling regulations. The Reasoned Action Approach (RAA) was used in this research to investigate the effects of intervention factors on households’ recycling intention. 384 participants were selected and questionnaires were utilized to collect data relating to the influences of reward and penalty on households’ recycling intention in Kuala Lumpur. The results showed that both reward and penalty has significant relationship with households’ recycling intention (reward β= 0.355, p&lt; 0.001; penalty β= 0.214, p&lt;0.001) while reward significantly influence attitude (β= 0.414, p&lt;0.001) and penalty influence perceived behavioural control (β= -0.340, p&lt;0.001). Moreover, the result showed perceived behavioural control as the weakest factor influencing households’ recycling intention (β= 0.160, p&lt;0.05). The results of this study indicate that penalty is a proper intervention to increase households’ recycling intention in Kuala Lumpur.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"10 ","pages":"Pages 187-192"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.10.036","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83114545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Reduction of Hexavalent Chromium Present in Wastewater by Steel Wool in a Continuous Flow System 连续流系统中钢丝绒还原废水中六价铬的研究
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-12-16 DOI: 10.1016/j.apcbee.2014.10.016
Sampa Chakrabarti , Pallavi Mitra , Prantik Banerjee , Debasish Sarkar
{"title":"Reduction of Hexavalent Chromium Present in Wastewater by Steel Wool in a Continuous Flow System","authors":"Sampa Chakrabarti ,&nbsp;Pallavi Mitra ,&nbsp;Prantik Banerjee ,&nbsp;Debasish Sarkar","doi":"10.1016/j.apcbee.2014.10.016","DOIUrl":"10.1016/j.apcbee.2014.10.016","url":null,"abstract":"<div><p>Continuous reduction of hexavalent chromium Cr(VI) in aqueous solution by commercial steel wool was investigated using glass column over the pH range of 3–7. Nearly 100% reduction took place within the first 10<!--> <!-->minutes. The maximum reduction was obtained at pH 3, and the rate decreased with increasing initial pH of Cr(VI) solution. The initial substrate concentration was varied as 50<!--> <!-->mg/L, 80<!--> <!-->mg/L and 100<!--> <!-->mg/L respectively. There was a gradual decrease in the extent of reduction as the initial substrate concentration increased. The breakthrough of the column was observed generally at 10<!--> <!-->minutes whereas the complete exhaustion took 120<!--> <!-->minutes. Results of this experiment may be utilized for modelling, simulation and scale-up in future.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"10 ","pages":"Pages 59-63"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.10.016","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78582705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Tapered Beam Axial Vibration Frequency: Linear Cross-area Variation Case 锥形梁轴向振动频率:线性截面变化情况
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-09 DOI: 10.1016/j.apcbee.2014.01.057
Farid Chalah , Salah Eddine Djellab , Lila Chalah-Rezgui , Kamel Falek , Abderrahim Bali
{"title":"Tapered Beam Axial Vibration Frequency: Linear Cross-area Variation Case","authors":"Farid Chalah ,&nbsp;Salah Eddine Djellab ,&nbsp;Lila Chalah-Rezgui ,&nbsp;Kamel Falek ,&nbsp;Abderrahim Bali","doi":"10.1016/j.apcbee.2014.01.057","DOIUrl":"10.1016/j.apcbee.2014.01.057","url":null,"abstract":"<div><p>The expression describing a cross-area linear variation for a tapered beam vibrating axially is considered. It is utilized to formulate the first axial vibration mode shape. The later, results from the normalization of the displacement function obtained by solving the exact solution of the second order differential equation with none constant coefficients. This function is governing the non uniform bar element equilibrium. After this first step, the well known Rayleigh quotient is used for calculating the fundamental natural frequency. The obtained results are comparable to those issued from numerical and theoretical methods. These findings suggest a simply useable handle tool expressed by a curve which allows a quick fundamental frequency evaluation for various taper degrees<strong>.</strong></p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"9 ","pages":"Pages 323-327"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.01.057","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84905079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Evaluation Strength Nano Geogrid Concrete Mats with High Resistance Using Nanotechnology Laboratory Model 利用纳米技术实验室模型评价高阻纳米土工格栅混凝土垫块的强度
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-09 DOI: 10.1016/j.apcbee.2014.01.066
Alireza Naseri , Ramin Vafaeipour Sorkhabi , Masoud Naseri
{"title":"Evaluation Strength Nano Geogrid Concrete Mats with High Resistance Using Nanotechnology Laboratory Model","authors":"Alireza Naseri ,&nbsp;Ramin Vafaeipour Sorkhabi ,&nbsp;Masoud Naseri","doi":"10.1016/j.apcbee.2014.01.066","DOIUrl":"10.1016/j.apcbee.2014.01.066","url":null,"abstract":"<div><p>Crossing on the watery everglades zones is important and strategic matter in transit military equipment. Therefore, for first time construction geogrid concrete mats have been proposed. Concrete mats consist of light weight reinforced concrete beams with high strength which are connected using the geogrid network. Since geogrid networks have a high flexibility and resistance, can held together the concrete beams with lower thickness and be able to spread on watery land using crane. In this case, condition is prepared to cross military equipment and vehicles on the shallow and marshy river. In this study, how to design and build these mats has been studied .In this sense, the laboratory model which has been made by researchers has been utilized. Mats analysis done based on the machinery induced dynamic loads on in vitro models as well as the geogrid networks properties, their strength when crossing loads in construction stage, operation and transfer are analyzed. Strain gauges of TML Company set up on laboratory models then the amount of strain registries and are controlled.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"9 ","pages":"Pages 376-380"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.01.066","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72791288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Grazing of Pampangan Buffaloes at Non Tidal Swamp in South Sumatra of Indonesia 印度尼西亚南苏门答腊岛非潮汐沼泽邦板干水牛的放牧
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-16 DOI: 10.1016/j.apcbee.2014.03.006
A.I.M. Ali , S. Sandi , Muhakka , Riswandi , D. Budianta
{"title":"The Grazing of Pampangan Buffaloes at Non Tidal Swamp in South Sumatra of Indonesia","authors":"A.I.M. Ali ,&nbsp;S. Sandi ,&nbsp;Muhakka ,&nbsp;Riswandi ,&nbsp;D. Budianta","doi":"10.1016/j.apcbee.2014.03.006","DOIUrl":"10.1016/j.apcbee.2014.03.006","url":null,"abstract":"<div><p>The grazing of Pampangan buffaloes at non tidal (lebak) swamp in South Sumtra of Indonesia is one of effort to enhance farmer income in South Sumatra. This research is aimed to investigate the characteristics of Lebak swamp used as a grazing land of Pampangan Buffaloes included soil physical and chemical properties, water quality, land use in Lebak swamp, and high of flooding; to find out botanical compotition and vegetation consumed by Buffaloes, nutrition value of forage and productivity of Pampangan Buffaloes. It was concluded that water quality and soil fertility found are low level with highest flooding occurred in March 2012, and lowest flooding taken placed in June and July; existence of rice and vegetables cultivation are showns in low flooding season, as well as for palm oil plantation encourages emergence the interest conflict between buffalo farming and crop cultivate activities; amounting to 23 species of vegetation are identified, 14 specieses are consumed by Buffaloes with the chemical composition varies among species; high content of fiber fraction, low crude protein content will be resulting low productivity of Pampangan Buffaloes.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"8 ","pages":"Pages 87-92"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.03.006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81284144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Efficacy of Dielectrophoresis in Preventing Sedimentation of High Density Bio-particles in Micro-mixers 双向电泳防止高密度生物颗粒在微混合器中沉降的效果
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-09 DOI: 10.1016/j.apcbee.2014.01.001
Siddharth Mohan, Shankar Anand Deka, Niti Nipun Sharma
{"title":"Efficacy of Dielectrophoresis in Preventing Sedimentation of High Density Bio-particles in Micro-mixers","authors":"Siddharth Mohan,&nbsp;Shankar Anand Deka,&nbsp;Niti Nipun Sharma","doi":"10.1016/j.apcbee.2014.01.001","DOIUrl":"10.1016/j.apcbee.2014.01.001","url":null,"abstract":"<div><p>In recent years, various microfluidic devices and integrated micro fluidic systems such as bio-chips, lab-on-a-chip and microreactors have been the focus of intensive investigations. They are being increasingly applied for bio-medical processes such as genetic analysis, disease diagnosis, chemical synthesis etc. In such devices, rapid and effective mixing of bio-particles is essential. Yet, when the density of the bio-particles is high, preventing their sedimentation becomes an issue of crucial importance. In the present work we carried out a comprehensive study to understand the efficacy of dielectrophoresis in preventing sedimentation of high density bio-particles in a micro-mixer. We analyzed the efficacy of dielectrophoretic force in sedimentation control of micro-mixers for variable particles, medium and field parameters using finite element-based CFD simulations. The results of the study indicate that dielectrophoresis-based sedimentation control could be a viable method to prevent sedimentation of a protein.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"9 ","pages":"Pages 1-7"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.01.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84545971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Effects of Feeding Mentha Pulegium L. as an Alternative to Antibiotics on Performance of Broilers 饲用薄荷替代抗生素对肉仔鸡生产性能的影响
APCBEE Procedia Pub Date : 2014-01-01 Epub Date: 2014-09-16 DOI: 10.1016/j.apcbee.2014.01.079
Majid Goodarzi, Shahram Nanekarani
{"title":"Effects of Feeding Mentha Pulegium L. as an Alternative to Antibiotics on Performance of Broilers","authors":"Majid Goodarzi,&nbsp;Shahram Nanekarani","doi":"10.1016/j.apcbee.2014.01.079","DOIUrl":"10.1016/j.apcbee.2014.01.079","url":null,"abstract":"<div><p>This experiment was conducted to evaluate the effects of different levels of powdered <em>Mentha pulegiumL.</em> (pennyroyal; medicinal plant) obtained from its dried aerial part on performance and carcass traits, of broilers. 200 broiler chicks (Ross 308) were used in a completely randomized design in five treatments and four replicates (10 birds per replicate) for 42 days. The treatment groups consisted of a control group (C) with no pennyroyal and Antibiotic supplementation,(A) with no pennyroyal and contain 300<!--> <!-->mg/Kg antibiotic virginiamicin and B, D and E experimental groups with different levels of pennyroyal <em>(</em>1, 2 and 3%, respectively). There were significant differences between treatments on performance and carcass traits of broilers (p&lt;0.05). The lowest amount of daily weight gain (43.50<!--> <!-->g) and the highest feed conversion (1.75) were observed in the control group, whereas the highest amount of daily weight gain (49.9<!--> <!-->g), the lowest feed conversion (1.62), and the highest breast percent (23.08) were observed in Group A. There was no significant difference between Groups A and D in the yield trait. The overall results showed that the use of 2% of pennyroyal medicinal plant in the diets of broilers has positive effects on their performance and carcass traits.</p></div>","PeriodicalId":8107,"journal":{"name":"APCBEE Procedia","volume":"8 ","pages":"Pages 53-58"},"PeriodicalIF":0.0,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.apcbee.2014.01.079","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74286542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
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