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fiber coupling efficiency in many applications. But the positioning errors on optics may reduce beam shaping effects, and then lead to low optical fiber coupling efficiency. In this work.... Subsequently, the relationship between the errors and the optical fiber coupling efficiency is analysed. The result shows that position errors in the Z axis direction on the fast axis collimator have......
calculations in a three-dimensional domain. The combustion field structure, wall pressure distribution, combustion efficiency and distribution of H2O at the exit of the combustor with different injection conditions were analyzed. The results show that the combustion efficiency decreases with the increase of the strut fuel injection total pressure. However, the combustion area downstream increases when......
into viscous medium was proposed to improve the thermal conductivity of the viscous medium and the efficiency of warm viscous pressure forming (WVPF) process. The influence of aluminum particles on a viscous... magnesium alloy sheets to determine the influence of the aluminum particles size and fraction on the forming efficiency and formed specimens based on the heating preparation times and profile curves, wall......
:variable speed limit; traffic operation; freeway bottleneck; capacity drop; efficiency......
Influence of local phonon energy on quantum efficiency of Tb3+-Yb3+ co-doped glass ceramics containing fluoride nanocrystals王慧云,叶松,刘天华,李松,胡荣璇,王德平School of Materials Science and Engineering Tongji... nanocrystals were designed and prepared by taking different amounts of Ca F2 and Sr F2 as the starting fluorides to investigate the influence of the crystalline phase on the total quantum efficiency......
Influence of local phonon energy on quantum efficiency of Tb3+-Yb3+ co-doped glass ceramics containing fluoride nanocrystals王慧云,叶松,刘天华,李松,胡荣璇,王德平School of Materials Science and Engineering Tongji... nanocrystals were designed and prepared by taking different amounts of Ca F2 and Sr F2 as the starting fluorides to investigate the influence of the crystalline phase on the total quantum efficiency......
Enhancing the Antibacterial Efficiency of ZnO Nanopowders Synthesized by Combustion Method Through Ag+Fe Co-dopingP.Sathish1,K.Ravichandran1,B.Sakthivel1,A.Panneerselvam21. Post Graduate and Research Department of Physics,AVVM Sri Pushpam College(Autonomous)2. Post Graduate and Research Department of Botany and Microbiology,AVVM Sri Pushpam College(Autonomous)摘 要:
Assessment of Curing Efficiency and Effect of Moist Curing on Performance of Fly Ash Concrete李美利1,2,钱觉时11. College of Material Science and Engineering,Chongqing University2. Henan Building Research Institute Co.,Ltd.摘 要:This study was conducted to evaluate the sensitivity of compressive strength,water permeability and electrical resistance of near......
Corrosion Behavior and Protection Efficiency of 2024Al and SiC_p/2024Al Metal Matrix CompositeChunlin HE, Changsheng LIU, Fengqin LI and Qingkui CAISchool of Materials and Metallurgy, Northeastern University, Shenyang 110004, ChinaZhiming SHI, Liqing CHEN and Jing BIInstitute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China摘 要:<......
钢种和断面对连铸板坯轻压下效率的影响林启勇1,朱苗勇2(1.重庆市中冶赛迪工程技术股份有限公司自动化事业部2.东北大学 材料与冶金学院,辽宁沈阳 110004)摘 要:结合轻压下效率的理论计算式,考察了板坯断面,钢种对连铸板坯轻压下效率的影响规律.结果表明:压下效率与板坯宽度,厚度呈线性增加关系,板坯宽度每增加15%,压下效率增加约4%;板坯厚度增加15%,压下效率增加约32%;钢种的两相区温度宽度越小,压下效率越高;板坯宽度与钢种对压下效率的影响较小,板坯厚度对压下效率的影响大.关键词:连铸板坯......