查询词典 sic

It was found that the "quantum jump" phenomenon of emitting current of the SiC nanofibers under a small external electrical field.

同时SiC纳米线的光致发光研究表明，室温下SiC纳米线有很强的蓝、紫光发射。

In air atmosphere, Cu2O in molten Cu corrodes Si3N4/SiC quickly. In nitrogen atmosphere or some slipcover existing, Cu corrosion resistance of Si3N4/SiC is very excellent.

在空气介质中，Si_3N_4／SiC抗侵蚀性能较差；在氮气介质中或有覆盖剂保护时，陶瓷材料具有优良的抗侵蚀性能。

The incomplete ionization of the impurities in 4H-SiC can affect the temperature dependences of the Early voltage and current gain.

SiC中杂质非完全离化会影响4H-SiC BJT的Early电压及电流增益的温度特性。

The effects of temperature on the Early voltage and the current gain of the 4H-SiC BJT are investigated.

通过考虑缓变基区4H-SiC BJT电流增益及器件内4种载流子复合过程，计算了4H-SiC BJT的厄利电压，分析了Early电压及电流增益的温度特性。

Pyrolytic carbon coating and successive SiC matrix were respectively prepared by chemical vapor infiltration in T700 kind integer felt. The subsequent reactive melt infiltration method was adopted to densify it further and C/SiC composites were successively prepared. The microstructure and effect of interface on flexural properties were thoroughly investigated.

摘 要：以T700炭纤维准三维编织针刺整体毡为预制体，在炭纤维表面CVI预沉积热解炭涂层，利用化学气相渗透-反应熔体浸渗法制备C/SiC复合材料，观察材料的微观形貌，并探讨界面对弯曲性能的影响。

The synthesized products are mainly composed of equiaxial β-SiC particles with the size of around 100 nm and nanorods with the diameter of ~500 nm and the length of ~20 μm.

在1700℃下反应1h，反应前驱体全部转化为β-SiC，产物为SiC颗粒和纳米棒的混合物。

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 results show that:The oxidation of SiC in additives can prote...

在试验条件下，添加6%ZrO2-SiC复合粉或工业SiC粉时，试样的抗氧化性和抗热震性最佳。

This paper is the fourth section of the serial articles, it's primary contents included: based on the basic theory of the continuous medium mechanics, we have given rotational dynamical equations of the solid inner core of the Earth, taken into account influence of the self\|gravitational potential, of the fluid pressure acting on the instantaneous surface of the SIC, and of the degree 2 tesseral component of the tidal generating potential on the rotation of SIC, and has presented their practical expression, in order of magnitude of O.

中国科学院国家天文台/云南天文台，昆明 650011；2。徐州师范大学物理学系，徐州 221116；3。中国科学院测量与地球物理研究所，武汉 430077摘要：本文是序列文章的第四篇，其内容包括：基于连续介质力学的基本理论，给出了固体外核自转的动力学方程，考虑了地球的自引力、液核对内核边界的压力和二阶外部引潮力位对SIC自转的影响，并在O的量级上给出了其实用的表达式。

Results show that the wear rate of O'-Sialon-ZrO2-SiC is much less than that of stainless steel at the testing condition, and main wear mechanism of the unlubricated friction is adhesive wear .

研究表明，在实验条件下，O′－Sialon－ZrO2－SiC复合材料的磨损率远低于不锈钢的磨损率，O′-Sialon-ZrO2－SiC／不锈钢摩擦副间的磨损机制主要是粘着磨损。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。