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Parametric Performance Study of Tunnel Boring Machine (TBM) In the Titiwangsa Main Range Granite, Malaysia☆ 马来西亚Titiwangsa主岭花岗岩隧道掘进机(TBM)参数性能研究
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/J.PROCHE.2016.03.143
A. Rahim, H. Zabidi, M. Trisugiwo, A. G. Rafek
{"title":"Parametric Performance Study of Tunnel Boring Machine (TBM) In the Titiwangsa Main Range Granite, Malaysia☆","authors":"A. Rahim, H. Zabidi, M. Trisugiwo, A. G. Rafek","doi":"10.1016/J.PROCHE.2016.03.143","DOIUrl":"https://doi.org/10.1016/J.PROCHE.2016.03.143","url":null,"abstract":"","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73465039","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
Influence of Al2O3/ Y-TSZ Mixture as Filler Loading on the Radiopacity of PMMA Denture Base Composites Al2O3/ Y-TSZ混合填料对PMMA义齿基托复合材料放射透明度的影响
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.03.065
A.O. Alhareb , H.M. Akil , Z.A. Ahmad
{"title":"Influence of Al2O3/ Y-TSZ Mixture as Filler Loading on the Radiopacity of PMMA Denture Base Composites","authors":"A.O. Alhareb ,&nbsp;H.M. Akil ,&nbsp;Z.A. Ahmad","doi":"10.1016/j.proche.2016.03.065","DOIUrl":"10.1016/j.proche.2016.03.065","url":null,"abstract":"<div><p>The radiopacity of alumina/yttrium stabilizer zirconia (Al<sub>2</sub>O<sub>3</sub>/Y-TSZ) particles with nitrile butadiene rubber (NBR) dispersed in PMMA denture base material has been investigated. PMMA matrix without filler was prepared from PMMA powder with 0.5% benzoyl peroxide (PBO) as the control material. The similar PMMA matrix was mixed with Al<sub>2</sub>O<sub>3</sub>/Y-TSZ (1:1) together with NBR particles as the reinforcement. The amount of NBR was fixed at 7.5<!--> <!-->wt %, however, Al<sub>2</sub>O<sub>3</sub>/Y-TSZ varied from 1 to 10<!--> <!-->wt %, respectively. Samples with 4<!--> <!-->mm thickness for each composition were irradiated using 60 KV, 10<!--> <!-->mA, 0.4 s to examine their radiopacity. This radiopacity was compared to radiopacity of aluminum plate which having the same thickness. The result shows that the radiopacity (i.e. the lower optical density the higher radiopacity) of reinforced PMMA matrix slightly increased from 1.40 to 1.05, respectively, with the increased of filler loading compared to unreinforced PMMA matrix.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.03.065","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75766601","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
Correlation between Microstructure of Copper Oxide Thin Films and its Gas Sensing Performance at Room Temperature 室温下氧化铜薄膜微观结构与气敏性能的关系
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.07.007
Nafarizal Nayan , Mohd Zainizan Sahdan , Low Jia Wei , Mohd Khairul Ahmad , Jais Lias , Soon Chin Fhong , Ali Yeon Md Shakaff , Ammar Zakaria , Ahmad Faizal Mohd Zain
{"title":"Correlation between Microstructure of Copper Oxide Thin Films and its Gas Sensing Performance at Room Temperature","authors":"Nafarizal Nayan ,&nbsp;Mohd Zainizan Sahdan ,&nbsp;Low Jia Wei ,&nbsp;Mohd Khairul Ahmad ,&nbsp;Jais Lias ,&nbsp;Soon Chin Fhong ,&nbsp;Ali Yeon Md Shakaff ,&nbsp;Ammar Zakaria ,&nbsp;Ahmad Faizal Mohd Zain","doi":"10.1016/j.proche.2016.07.007","DOIUrl":"10.1016/j.proche.2016.07.007","url":null,"abstract":"<div><p>Radio-frequency magnetron sputtering using a Cu target was used to deposit cuprous oxide and cupric oxide thin films on silicon wafer. The substrate bias voltage and the O<sub>2</sub> flow ratio were varied during the deposition. The deposited thin films were characterized using scanning electron microscope. We found that the spherical and pyramid shapes structure of copper oxide thin films were deposited at critical O<sub>2</sub> flow ratio between 7 and 14%. The influence of substrate bias voltage was small and negligible. The deposited thin films were used for sensing characterization using ethanol vapor. Experimental results reveal that the pyramid shape of copper oxide thin film contribute to high respond rate when exposed to ethanol vapor. The respond and recovery rates which were measured at room temperature were very fast. This work had successfully demonstrated the formation of optimized copper oxide thin films and their usage for gas sensing application.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.07.007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73027477","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: 10
Activity Coefficients of Uranyl Nitrate and Nitric Acid in Aqueous Mixtures 硝酸铀酰和硝酸在水溶液中的活度系数
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.10.013
Alexander Ochkin, Dmitry Gladilov, Sergey Nekhaevskiy, Alexey Merkushkin
{"title":"Activity Coefficients of Uranyl Nitrate and Nitric Acid in Aqueous Mixtures","authors":"Alexander Ochkin,&nbsp;Dmitry Gladilov,&nbsp;Sergey Nekhaevskiy,&nbsp;Alexey Merkushkin","doi":"10.1016/j.proche.2016.10.013","DOIUrl":"10.1016/j.proche.2016.10.013","url":null,"abstract":"<div><p>The activity coefficients of nitric acid and uranyl nitrate in in aqueous mixtures are necessary to model the system H<sub>2</sub>O-HNO<sub>3</sub>-UO<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub>-TBP-diluent. Three methods have been compared in this work to determine activity coefficients based on experimental data, Pitzer's equation or Zdanovskiy's rule. Acid activities have been calculated from the data of two first methods. These results were compared with the data of third method. Errors were about 3.3.%. Activity coefficients of uranyl nitrate γ<sub>U</sub> as a function of concentration of uranyl nitrate and nitric acid were determined in 76 mixed solutions. The equation to calculate γ<sub>U</sub> was proposed.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.10.013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73036959","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
Curcuminoid Prevents Protein Oxidation but not Lipid Peroxidation in Exercise Induced Muscle Damage Mouse 姜黄素可防止运动引起的肌肉损伤小鼠的蛋白质氧化而不是脂质过氧化
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.01.029
Bambang Purwanto , Harjanto , I. Ketut Sudiana
{"title":"Curcuminoid Prevents Protein Oxidation but not Lipid Peroxidation in Exercise Induced Muscle Damage Mouse","authors":"Bambang Purwanto ,&nbsp;Harjanto ,&nbsp;I. Ketut Sudiana","doi":"10.1016/j.proche.2016.01.029","DOIUrl":"10.1016/j.proche.2016.01.029","url":null,"abstract":"<div><p>Oxidative stress is believed as underlined mechanism of exercise induced muscle damage. This study was aimed to investigate curcuminoid effect on protein oxidation and lipid peroxidation muscle of exercised induced model. Adult male healthy mice were used as experiment models, grouped in to curcuminoid treated, placebo (corn oil only treated) and untreated group. Protein carbonyl level was significantly lower in curcuminoid treated group compared with untreated group (p =0.003). In the contrary, the malondialdehyde level was not significantly different between those groups (p = 0.092).</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.01.029","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74328513","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
Characterization of the Insoluble Sludge from the Dissolution of Irradiated Fast Breeder Reactor Fuel 辐照快中子增殖反应堆燃料溶解产生的不溶性污泥的表征
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.10.039
Haruka Aihara, Yoichi Arai, Atsuhiro Shibata, Kazunori Nomura, Masayuki Takeuchi
{"title":"Characterization of the Insoluble Sludge from the Dissolution of Irradiated Fast Breeder Reactor Fuel","authors":"Haruka Aihara,&nbsp;Yoichi Arai,&nbsp;Atsuhiro Shibata,&nbsp;Kazunori Nomura,&nbsp;Masayuki Takeuchi","doi":"10.1016/j.proche.2016.10.039","DOIUrl":"10.1016/j.proche.2016.10.039","url":null,"abstract":"<div><p>Insoluble sludge is generated in the reprocessing of spent fuel. The sludge obtained from the dissolution of irradiated fuel from the “Joyo” experimental fast reactor was analyzed to evaluate its chemical form. The sludge was collected by the filtration of the dissolved fuel solution, and then washed in nitric acid. The yields of the sludge weight were less than 1% of the total fuel weight. The chemical composition of the sludge was analyzed after decomposition by alkaline fusion. Molybdenum, technetium, ruthenium, rhodium, and palladium were found to be the main constituent elements of the sludge. X-ray diffraction patterns of the sludge were attributable to Mo<sub>4</sub>Ru<sub>4</sub>RhPd, regardless of the experimental conditions. The concentrations of molybdenum and zirconium in the dissolved fast reactor fuel solutions were low, indicating that zirconium molybdate hydrate is produced in negligible amounts in the process.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.10.039","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72802784","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: 6
Anatase as Antibacterial Material in Ceramic Tiles 锐钛矿在瓷砖中的抗菌作用
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/J.PROCHE.2016.03.109
M. Hasmaliza, H. Foo, K. Mohd
{"title":"Anatase as Antibacterial Material in Ceramic Tiles","authors":"M. Hasmaliza, H. Foo, K. Mohd","doi":"10.1016/J.PROCHE.2016.03.109","DOIUrl":"https://doi.org/10.1016/J.PROCHE.2016.03.109","url":null,"abstract":"","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72835701","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: 30
The Effect of the Annealing on the Properties of ZnO/Cu/ZnO Multilayer Structures 退火对ZnO/Cu/ZnO多层结构性能的影响
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.03.011
Hiba S. Rasheed , Naser M. Ahmed , M.Z. Matjafri , Fayroz A. Sabah , Hamzah N. Al-Rawi
{"title":"The Effect of the Annealing on the Properties of ZnO/Cu/ZnO Multilayer Structures","authors":"Hiba S. Rasheed ,&nbsp;Naser M. Ahmed ,&nbsp;M.Z. Matjafri ,&nbsp;Fayroz A. Sabah ,&nbsp;Hamzah N. Al-Rawi","doi":"10.1016/j.proche.2016.03.011","DOIUrl":"10.1016/j.proche.2016.03.011","url":null,"abstract":"<div><p>Study of ZnO / Cu / ZnO multilayer film stack using Cu film as a sandwich layer, in order to improve the overall performance of the transparent conductive film, structural, electrical and optical properties. ZnO / Cu / ZnO multilayer films prepared at room temperature by a DC and RF magnetron sputtering technique. The results showed that ZnO / Cu / ZnO multilayer film has good crystalline properties. With an increasing Cu layer thickness, a visible light transmittance of the multilayer film is reduced, while the electrical performance improved significantly. In the Cu layer thickness of 20<!--> <!-->nm, ZnO / Cu / ZnO multilayer film optoelectronic integrated for optimal performance</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.03.011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73663769","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: 4
Evaluation of Emulsified Acrylate Polymer and its Pour Point Depressant Performance 乳化丙烯酸酯聚合物及其降凝性能的评价
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.03.018
A. Admiral, M.K. Abdullah, A. Ariffin
{"title":"Evaluation of Emulsified Acrylate Polymer and its Pour Point Depressant Performance","authors":"A. Admiral,&nbsp;M.K. Abdullah,&nbsp;A. Ariffin","doi":"10.1016/j.proche.2016.03.018","DOIUrl":"10.1016/j.proche.2016.03.018","url":null,"abstract":"<div><p>A traditional pour point depressant (PPD) of acrylate polymer is in solid form at room temperature. The costing for preheating and dilution is a prerequisite to be considered for its utilization in a crude oil industry. Hence, this PPD was improvised as an emulsion system in order to increase its flow ability. Evaluation of the emulsion system has been elucidated and its PPD performance has also been studied. The emulsified PPD could flow as low as -20 <sup>o</sup>C. The viscosity of emulsified PPD is much lower which is about 16 cP while traditional PPD solid at room temperature. The particle size of the sample increased by freeze thawed activities, but does not affect the stability of the emulsion. The zeta potential is about -43<!--> <!-->mV showing that the emulsion is in the stable range. The pour point performance of emulsified product is better compared to traditional PPD. The increasing trends of performance by increasing the injection showing that the polymer content is the most influenced factor that increased pour point performance of emulsified PPD.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.03.018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84810207","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
Effect of Different Composition on Particle Size Chitosan-PMAA-PNIPAM Hydrogel 不同成分对壳聚糖- pmaa - pnipam水凝胶粒径的影响☆
Procedia Chemistry Pub Date : 2016-01-01 DOI: 10.1016/j.proche.2016.03.028
S.Z.M. Rasib , H.M. Akil , A.S. Yahya
{"title":"Effect of Different Composition on Particle Size Chitosan-PMAA-PNIPAM Hydrogel","authors":"S.Z.M. Rasib ,&nbsp;H.M. Akil ,&nbsp;A.S. Yahya","doi":"10.1016/j.proche.2016.03.028","DOIUrl":"10.1016/j.proche.2016.03.028","url":null,"abstract":"<div><p>Chitosan-based (chitosan-poly(methacrylic acid)-poly(N-isopropylacrylamide) [Cs-PMAA-PNIPAM] copolymer hydrogels were synthesized by free radical emulsion polymerization to study the effect of different composition of monomer on hydrogel particle size. Chitosan usually applied for medical use such as drug delivery due to its biodegradability, bio-compatibility, and non-toxicity properties. Co-polymerized chitosan with MAA and NIPAM is an improvement of chitosan gel to be more responsive to the environment of human body included different pH, temperature, ionic strength, electric field, and enzyme activities. Small size of the particles is particularly important to ensure the particles reach the target site especially as a drug delivery. A full factorial experimental design (2<sup>3</sup>) was employed to identify which factors influenced most on the particle size. The design considered three factors which is amount of MAA, NIPAM and N,N’-Methylenebisacrylamide (MBA) while particle size are chosen as the responses of the variation on each composition. Particle size distribution was measured by laser diffractionin wet condition. From the design of experiment, NIPAM shows the main factor affected the particle size. However combination of the others factors also contributed on the whole size of the hydrogel.</p></div>","PeriodicalId":20431,"journal":{"name":"Procedia Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.proche.2016.03.028","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85189083","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
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