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研究性能
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  research performance
     In this paper, the formulation research, performance evaluating and application of incendiary agents of rare-earth alloys are described.
     叙述了稀土合金燃烧剂的配方研究 ,性能评价方法和结果以及应用。
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  “研究性能”译为未确定词的双语例句
     The conventional catalysts are Lewis acid (AlCl_3,FeCl_3,TiCl_4,BF_3 ,etc) and proton acid (HF,H_2SO_4,HCl), but these catalysts have many disadvantages, such as bad selectivity、 more side reaction、 low yield、 strong corrosion、difficulty in separation and recovery、 serious environment pollution etc.
     传统的催化剂使用Lewis酸(AlCl_3,FeCl_3,TiCl_4,BF_3等)和质子酸(HF,H_2SO_4,HCl),但这些催化剂存在许多弊端,如选择性较差、副反应多、收率低、催化剂无法回收、腐蚀性强、产物分离困难、环境污染严重等,为克服这些缺点,很多科技工作者致力于研究性能良好的新型酰基化反应催化剂。
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     Finally, the paper gives experimental results of detector with YBCO step-edge Junction by specialists were measured on detector set directly= NEP = 7. 6× 10-12(W/■)
     文章最后给出台阶结超导检测器经专家现场测试的最终研究性能:在8毫米波段,T≥77K时,NEP=7.6×10-12(W/■)
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     A research to the performance problem is made during the whole development process of J2EE application including analysis, building, testing and deployment.
     文章基于J2EE的整个开发过程,研究性能问题,包括分析、创建、测试和部署阶段。
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     The process that the performance refactoring should follow is studied with the J2EE applications. How to refactor the application for the performance with an example of J2EE website is demonstrated.
     以流行的J2EE应用为研究对象,研究性能重构应遵循的步骤和使用的方式,最后以在一个J2EE网站为例,展示如何对应用进行性能重构。
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     By utilizing the wave guide structure ofZnO/SiO, and the optica1 properties of quantum dots, ZnO nanoparticlesembedded in SiO, can decrease the intensity of the photon scattering andse1fabsorption and increase the ZnO nanoparticles UV emission.
     制备SiO_2包埋的ZnO纳米粒子可以利用ZnO/SiO_2形成的波导结构和量子点的光学特性显著地减小光的散射和自吸收效应,达到增强紫外光发射强度的目的,为研究性能优良的蓝紫色发光器件提供了新的途径。
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     Study on Properties of Pineapple Fiber
     菠萝叶纤维的性能研究
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     The Study on Performance of SMA
     SMA的性能研究
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  research performance
Reprinting the classic article on USPHS evaluation methods for measuring the clinical research performance of restorative materi
      
Research performance analysis in physics - The Leiden example
      
The aim of this investigation was to gauge the comparative research performance of university departments of psychology in Britain.
      
The institutional reward systems in all of these countries favour research performance over excellence in teaching, regardless of whether the universities see themselves as research or teaching centred.
      
Factors influencing research performance of university academic staff
      
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Factors of chemical composition and heat treatment of 102 steel had been analysed. The ratio of contents of strong carbide forming elements to carbon, which is usually used to indicate the differences in creep strength of similar steels, has been modified in the light of phase analysis results. Equilibrium condition of carbon(CE)calculated from the modified ratio in atomic percentage has been used as a comprehensive factor in approaching the optimum operational performance index of 102 steel. Regression analysis...

Factors of chemical composition and heat treatment of 102 steel had been analysed. The ratio of contents of strong carbide forming elements to carbon, which is usually used to indicate the differences in creep strength of similar steels, has been modified in the light of phase analysis results. Equilibrium condition of carbon(CE)calculated from the modified ratio in atomic percentage has been used as a comprehensive factor in approaching the optimum operational performance index of 102 steel. Regression analysis shows that there are good correlations between Cu and σ105 620℃ By means of CE. the creep rupture strength of 102 steel under the conditions of known chemical composition and given heat treatment can be estimated. In view of these considerations after discussion several propositions are made for increasing the lower limit of σ105 620℃

本文对影响102钢热强性的化学成分及热处理因素进行了分析。分析前结合相分析结果,通过初步核算,将通常用来定性说明热强性高低的V/C比值作了修正。并据此修正比值按原子百分比计算出的碳的平衡情况(C_E)作为研究性能高低的一个综合因素。回归分析表明C_E和之间有较好的对应关系。用C_E可以对既定化学成分及热处理的钢的持久强度作出估量。通过讨论,对如何提高102钢的下限持久强度等提出了几点建议。

ABSTRACT

本文研究了性能良好气孔率30~50%、平均孔径475μ、有利于骨组织长入的骨用A-M系列多孔涂层材料。涂有A-M多孔涂层的复合型人工股骨头,弹性模量下降36.6%。经扫描电镜观察骨标本切片证明,骨组织长入孔隙中,而达到生物力学固定。从84年起,已有一百余例应用于临床,疗效令人满意。

Until now there is a few reports on the study of the tribological properties andelectrochemical performance of the ion- beam mixed specimen surface , and so many problems arestill unclear. In this work, Ar+ion beam was used to mix Al/Fe dilayers on 316 stainless steel. Thetribological properties and electrochemical performances was studied. The composition profiles andmicrostructure of the ion beam mixed surface was measured by means of AES,TBM and GXRD.SEM and EDX were also used to analyse the morphology and...

Until now there is a few reports on the study of the tribological properties andelectrochemical performance of the ion- beam mixed specimen surface , and so many problems arestill unclear. In this work, Ar+ion beam was used to mix Al/Fe dilayers on 316 stainless steel. Thetribological properties and electrochemical performances was studied. The composition profiles andmicrostructure of the ion beam mixed surface was measured by means of AES,TBM and GXRD.SEM and EDX were also used to analyse the morphology and composition of the wear tracks andcorroded surface. It was found that the new phase FeAl and oxide chromium formed in mixed surface after ion beam mixing, which was supposed to improve the surface microhardness and wearresistance , and a remarkable improvement of the electrochemical performance was observed afterion beam mixing.

目前,有关离子束混合层的摩擦磨损性能及其电化学腐蚀等方面内容的文献报道还很少见,研究都还不够深入系统.因此,对Ar+离子束混合316不锈钢基体上的Al/Fe双层膜的摩擦学行为及其电化学性能等进行了试验研究,结果表明,混合层的显微硬度比基体的高25%,摩擦系数也大幅度降低,且其耐磨性能良好;混合试样的电化学性能表现出明显的贵金属特征.在此基础上,还利用俄歇电子能谱仪、透射电子显微镜、扫描电子显傲镜和掠角X射线衍射等分析研究了性能改善的机理,发现在混合层中有FeAl新相和铬的氧化物生成,这两者的存在是混合试样具有良好耐磨性和耐腐蚀性的主要原因.研究结果在发展工程材料的表面改性技术和合成金属间化合物等方面具有指导和实用价值。

 
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