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In comparison to the process simply using a Hall ion source for the IBAD, the coating has a more compact and uniform structure and a better property in polishing. After surface modification, the surface roughness of the substrate is reduced to 0.635 nm which is the same as that of the S-SiC substrate, also the surface reflectance is obviously enhanced to that of the fine polished zerodur glass.

测试结果表明：与单纯霍尔离子源辅助方法相比，该工艺方法制备的Si改性涂层生长得更加致密、均匀，抛光特性良好；改性抛光后表面粗糙度降低到0.635 nm，达到了S-SiC基底的水平；改性后RB-SiC基底的反射率明显提高，达到了抛光良好的微晶玻璃的水平。

The company also provide supplemental benefits: commercial med ical insurance, personal insurance, serious illness insurance, commercial medi cal insurance for spouse and child, family property insurance, abroad travel i nsurance, annual physical inspection, lunch, shuttle bus, annual vacation, sic k leave with salary, education imbursement , etc.

公司同时为员工提供补充福利：商业医疗保险、人身意外险、重大疾病保险，家属商业医疗保险，家庭财产保险，境外旅行保险，每年身体体检，午餐，班车，年假，带薪病假，教育资助等。

When absorbed dose reached to 13.8MGy the irradiated PCS fibers become infusible fibers, and metal like black SiC fibers were obtained by heating the irradiated fibers to 1200circC in N2 gas.

当吸收剂量达到13.8MGy时，辐照产物已具有良好的不熔化特性，在N2气流中升温至1200℃热解烧成后得到有金属光泽的黑色SiC纤维，其氧含量(1.1wt％)远低于现有的热氧化不熔化法产物？

Considered to issue all sorts of antioxidant in 1300 ℃ and 1500 ℃ temperature, if Al, Si, SiC and B4C are opposite,magnesian carbon brick fights the action of oxidisability.

探究了在1300℃和1500℃温度下各种抗氧化剂，如Al、Si、SiC和B4C对镁碳砖抗氧化性的功能。

Dege County is marmota Himalayana plague focus of natural infection in Sic...

结论确定四川德格县为喜马拉雅旱獭鼠疫自然疫源地。

Experimental results indicate that: The AE characters of single bundle, 2-D woven and 3-D braided C/SiC composite are different because of their different structures, damage mechanisms and developing progress, which can be verified by micrographic examination on specimens' initial state and fractography.

实验研究表明：单纤维束、二维编织和三维编织C／SiC复合材料由于结构形式不同，损伤机理和发展过程不同，表现出的声发射参量的特性也不同；试件初始状态和断口的显微观察证实了该推断。

Wear model and characteristics of the second cutting deformation zone,that is,between the rake face of cutter and chips were investigated by carrying out diamond PCD cutter ultraprecision machining test of SiC noncontinuous reinforced aluminum composites,and measuring analysis with atom force microscope and scan electronic microscope.

通过金刚石PCD刀具对非连续S iC增强铝基复合材料的超精密车削加工试验，考察了刀具第二切削变形区的摩擦磨损性能，并提出了相应的模型；采用爆炸式快速落刀装置制备出切屑根并分析了积屑瘤的影响因素；采用原子力显微镜对PCD刀具的刃口磨损形貌进行观察，并分析其磨损机理。

The theoretical analysis and the experimental results consistently show that, the oxidation of Si〓N〓-bonded SiC refractory adheres to the parabolical type rule of oxidation and the oxidation in the condition of actual BF operation is passive one.

在此基础上，综合SiC砖蚀损过程研究结果，阐述了炉墙传热过程与其蚀损的相互关系，进而探讨了高炉用Si〓N〓结合的SiC砖的适宜条件，提出了控制碱蚀、减轻热震破坏以及改善高炉用SiC质砖衬的使用效果的技术方向和途径。

In this paper, finite element software ANSYS is used to simulate the thermal conductivity and pressureless infiltration technique is used to produce aluminum infiltrated silicon carbide composite with high volume fraction of SiC. The influence of interfacial thickness and temperature on thermal conductivity and CTE have been investigated and analysed.

本文采用有限元软件ANSYS对铝渗碳化硅复合材料的有效热导率进行了数值模拟，用无压浸渗法制备了高体积分数的铝渗碳化硅复合材料，研究了界面层厚度和温度等对铝渗碳化硅复合材料的热导率和热膨胀系数的影响，并进行了分析。

SiCp/Al composites with 63% SiC in volume fraction were successfully prepared by powder injection molding and pressureless infiltration.

采用粉末注射成形/无压浸渗法成功制备出了SiC体积分数为63%的SiCp/Al复合材料。

A:I like playing squash and basketball.

我喜欢壁球及篮球。

In the second part of this study, full-length HBV genomes were collected from hepatocellular carcinoma tissues to study their replicative efficiency.

本研究的第二部分从全基因组角度研究我国HBV相关性肝癌患中HBV复制的特性。