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2012 7th International Forum on Strategic Technology (IFOST)最新文献

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Nanoindentation properties of as-soldered low-Ag SAC-Bi-Ni/Cu 焊接低银SAC-Bi-Ni/Cu的纳米压痕性能
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357535
Yang Liu, F. Sun, Guojun Wang, Pengfei Zou
{"title":"Nanoindentation properties of as-soldered low-Ag SAC-Bi-Ni/Cu","authors":"Yang Liu, F. Sun, Guojun Wang, Pengfei Zou","doi":"10.1109/IFOST.2012.6357535","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357535","url":null,"abstract":"In this study, the nanoindentation properties of the as-soldered low-Ag SAC-Bi-Ni solder alloys on Cu substrate were characterized. The overall evaluations on the elastic modulus, hardness, and creep properties of the new solder alloys were proposed based on the comparisons with low-Ag solder SAC0307, SAC0705, and high-Ag solder SAC305. Experimental results indicated that the hardness of the SAC solders without Bi and Ni addition varied from 127MPa to 196MPa. Meanwhile, the elastic modulus was between 29-36GPa, and the creep stress sensitivity was from 15 to 19. However, the hardness of low-Ag SAC-Bi-Ni solders was between 305-403MPa. Additionally, with Bi and Ni elements addition, the elastic modulus of SAC0705 increased to 35-63GPa, and the value of creep stress sensitivity reached to 25-45. It is clear that the addition of Bi and Ni in low-Ag SAC solder greatly improved its nanoindentation properties, which were critical for the solder joint reliability.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122227268","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: 0
Determining the driver's reaction time in the stationary and real-life environments (Comparative Study) 确定驾驶员在静止和现实环境中的反应时间(比较研究)
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357735
J. Khashbat, T. Tsevegjav, J. Myagmarjav, I. Bazarragchaa, A. Erdenetuya, N. Munkhzul
{"title":"Determining the driver's reaction time in the stationary and real-life environments (Comparative Study)","authors":"J. Khashbat, T. Tsevegjav, J. Myagmarjav, I. Bazarragchaa, A. Erdenetuya, N. Munkhzul","doi":"10.1109/IFOST.2012.6357735","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357735","url":null,"abstract":"This research is focused on the results that determined the driver's reaction time. For conducting the experiment, two methodologies were worked out to determine the driver's reaction time. As a result of determining the driver's reaction time in stationary and real-life environments following these methodologies, the statistic processing was made. Driver's age and driving experience are the leading factors to influence on the driver's reaction time. To determine the driver's reaction time in a real-life environment, we selected the condition in which the traffic speed and intensity are constant. As a result of the experiment and the research, the statistic processing was made, consequently, the two factor linear equation of regression was developed. Also, the comparitive research was made on the cases of the reaction time which were defined by two different methodologies, and the results have been determined.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122234741","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: 5
Dissolution of zinc nanoparticles in pulmonary fluid 锌纳米颗粒在肺液中的溶解
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357532
E. Yunda, A. Godymchuk
{"title":"Dissolution of zinc nanoparticles in pulmonary fluid","authors":"E. Yunda, A. Godymchuk","doi":"10.1109/IFOST.2012.6357532","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357532","url":null,"abstract":"Inhaled from the ambient air nanoparticles may reach innermost areas of respiratory tract, alveolar sacs, particularly. In this work the dissolution of electroexplosive zinc nanoparticles (62 nm) in the synthetic alveolar has been studied. The evidence of the total solubility (99%) of metal nanopowders in the synthetic alveolar fluid had been demonstrated with the help of the stripping voltammetry. Alongside, the mechanism of zinc nanoparticles dissolution related to the electroexplosive zinc nanoparticles completely dissolving in the synthetic alveolar fluid has been proposed.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127921255","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: 3
Reconstruction stability in some problems of X-ray and seismic tomography x射线和地震层析成像若干问题的重建稳定性
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357741
A. Begmatov, A. Seidullaev, A. O. Pirimbetov
{"title":"Reconstruction stability in some problems of X-ray and seismic tomography","authors":"A. Begmatov, A. Seidullaev, A. O. Pirimbetov","doi":"10.1109/IFOST.2012.6357741","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357741","url":null,"abstract":"We study problems of recovering a function given by weighted integrals over plane curves of a special shape. The curves and weight functions are piecewise smooth. Such problems of integral geometry are connected with the problems of reconstruction of internal structure of an object from the boundary data. We reduce these problems to the investigation of Fredholm equations of first kind. Stability estimates for a solution to the considered problems in spaces of finite smoothness were obtained thereby demonstrating weak ill-posedness of the problem. We present also an efficient algorithm for stable solving of initial problem.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132595646","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: 3
Determination of the influence zone on the atmospheric pollution of chemical elements from a point source (Combined heat and power) 点源(热电联产)化学元素对大气污染影响范围的测定
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357517
N. K. Rizhakova, N. S. Rogova, E. Pokrovskaya
{"title":"Determination of the influence zone on the atmospheric pollution of chemical elements from a point source (Combined heat and power)","authors":"N. K. Rizhakova, N. S. Rogova, E. Pokrovskaya","doi":"10.1109/IFOST.2012.6357517","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357517","url":null,"abstract":"Semi-empirical transfer model of chemical contaminants in the atmosphere from a point source is considered in the report. The model is based on solving the diffusivity equation that takes account of the transport of impurities in the horizontal direction due to wind, turbulent diffusion and gravitational deposition in a vertical direction. In the report it is suggested to determine the modeling parameters by measurements of atmospheric pollution at several points. These points are selected in a particular direction. Epiphytic mosses are used as depositing of pollution objects. Chemical elements concentrations are determined with the help of neutron activation analysis. The considered model is used to estimate the influence zone of a point source on the basis of thermal power plant (TPP-5 Novosibirsk).","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128920173","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
Application of electrical induced selective drift of solvated ions in solutions phenomena in chemical technologies 电诱导溶剂化离子选择性漂移现象在化学技术中的应用
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357757
I. Shamanin, M. Kazaryan, I. Lomov, S. Dolgopolov
{"title":"Application of electrical induced selective drift of solvated ions in solutions phenomena in chemical technologies","authors":"I. Shamanin, M. Kazaryan, I. Lomov, S. Dolgopolov","doi":"10.1109/IFOST.2012.6357757","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357757","url":null,"abstract":"The possibility of the use the phenomena of the electrical-induced selective drift of cationic aquacomplexes in the water solution of the salts for creating of the new, non-electrode, power-saving technology of the solution enrichment by desired element is shown. The development of the naturally-scientific basis of this technology has showed that inertial properties of formed in the solution over-molecular structural units - clusters depends from that's dimensions. Dimensions of these clusters are in limits from scores of angstrom to fractions of micron, at the same time liquid mediums are the base of functioning both biological and technological systems. This work shows new approach for theoretical describing of salts solution in dielectric liquids and contains some data on the realized experiments.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134620548","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
The efficiency of functioning and setting backup stages line distance relay protection of high-voltage electrical network 高压电网线路距离继电保护的起作用和设置备用级的效率
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357679
T. Minh, A. Shmoilov
{"title":"The efficiency of functioning and setting backup stages line distance relay protection of high-voltage electrical network","authors":"T. Minh, A. Shmoilov","doi":"10.1109/IFOST.2012.6357679","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357679","url":null,"abstract":"To bring the definition of technical efficiency relay protections high-voltage electrical network, especially for the distance relay protection. To analyze the technical actions to limit and expand the characteristics numerical distance relay protection in order to reduce losses and improve functioning protection. Considering the specifications, efficiency and losses of the backup stages distance relay protection on high-voltage lines. Based on the analysis of technical efficiency proposes recommendations for designing and setting backup stages distance relay protection of high-voltage lines electrical network.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115535181","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: 0
Computer simulation of carbon nanostructures 碳纳米结构的计算机模拟
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357593
D. A. Tatarnikov
{"title":"Computer simulation of carbon nanostructures","authors":"D. A. Tatarnikov","doi":"10.1109/IFOST.2012.6357593","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357593","url":null,"abstract":"In the work we develop programs for computation of the system of atoms at every step and visualization of that data, also we research of thermodynamic properties and conditions of formation of different carbon nanostructures, try to predict existence of new materials. Nowadays we have two separate programs: one for computation and one for visualization. We continue to collect statistical data, investigate behavior of the system under different conditions. Also we go to the parallelization of the algorithms using MPI in order to work with large quantity of atoms with less time of computation.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114435402","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: 0
Technological study of an oat-based fermented product 燕麦发酵产品的工艺研究
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357514
R. Tsetsegmaa, D. Tsetsegee
{"title":"Technological study of an oat-based fermented product","authors":"R. Tsetsegmaa, D. Tsetsegee","doi":"10.1109/IFOST.2012.6357514","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357514","url":null,"abstract":"Continuous development of new functional foods is the response of science and industry to the increased consumer awareness regarding health and the role of foods for improving quality of life. Oats and probiotics have long been recognized for their health benefits. In the present study was carried the technological study of fermented product based on oat bran. In an attempt to develop a fermented, non-dairy product based on oats, oat bran suspension was fermented with a mixture of starter culture containing Str. thermophilus, L. bulgaricus and L. acidophilus. The oat base was heat treated for 10 min at 95 °C prior to inoculation. Several factors, such as fermentation time, starter culture concentration, oat bran and sucrose content, affecting the fermentation process, were established. It was found that the 10% starter culture, 5% oat bran and 5% sucrose content to the oat mash are more appropriate for obtaining a probiotic product. The appropriate fermentation time was 8 h. The viable cell counts reached at the end of process were about 6 ×109 cfu ml-1.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114538645","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: 0
The research of CaO/TiO2 nanocrystalline film for dye-sensitized solar cell 染料敏化太阳能电池用CaO/TiO2纳米晶膜的研究
2012 7th International Forum on Strategic Technology (IFOST) Pub Date : 2012-11-26 DOI: 10.1109/IFOST.2012.6357547
Wei Zheng, S. Cui, Xiaona Zhang
{"title":"The research of CaO/TiO2 nanocrystalline film for dye-sensitized solar cell","authors":"Wei Zheng, S. Cui, Xiaona Zhang","doi":"10.1109/IFOST.2012.6357547","DOIUrl":"https://doi.org/10.1109/IFOST.2012.6357547","url":null,"abstract":"Solar cell is the most effective form to use solar energy. The researchers focused on the dye-sensitized solar cell (DSSC) due to its low cost and high transformation efficiency. TiO2 photoanode was modified by doping the wide band gap semiconductor of CaO into TiO2 matrix. The influence of modification on DSSC was discussed in this paper. The results indicated that most CaO could pass into the surface structure of TiO2 and the particle size of CaO was close to TiO2. The forbidden band structure of TiO2 was changed by the energy barrier of the CaO/TiO2 core-shell film. The interface effect between CaO and TiO2 could increase the transmission path of light inside the film and the absorbance was enhanced. Under the surface modification of CaO, the absorption capacity of N3 dye, absorbance and conversion efficiency were highly improved. Especially, the photoelectric conversion efficiency was increased 18.94% compared with pure TiO2. Thus, we can improve the photoelectrical performance of DSSC by using surface modification.","PeriodicalId":319762,"journal":{"name":"2012 7th International Forum on Strategic Technology (IFOST)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114580767","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
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