查询词典 sic

The experimental performance of various rectifiers and transistors, which have been demonstrated, is discussed.

该文总结了宽禁带SiC和GaN功率半导体器件研发的最新进展，包括各种功率二极管和功率晶体管。

SiC 1. 12O 0. 12 ceramic powders were obtained by pyrolyzing the high2branched polycarbosilane .The oxidation behavior of the powders in the dried air was investigated by the thermal gravimet ric method.

以先驱体转化法制备的 SiCO 陶瓷粉体为原材料，采用热重法研究了粉体在干燥空气中的氧化性能。

In addition, native gold and Si-bearing native copper and SiC that is an indicator of high pressure were recognized in picrites. This is the first documented case of the native gold and native copper enclosed in olivine phenocrystals, which will play a key role in studying the compositions of mantle plume.

此外，还对两个苦橄岩进行了重矿物分选，分选出高纯度的自然金和含Si的自然铜以及高压指示矿物碳硅石，并在薄片中发现了自然金和自然铜被包裹在橄榄石斑晶的现象，这是世界上首次在橄榄石斑晶中发现自然金和自然铜，对进一步研究地幔柱的物质组成具有要的科学意义。

Results show that chemical reaction between additives Al2O3 and Y2O3 accelerated the liquid phase sintering and the formation of the YAG non-crystalline,which was beneficial to improving fracture toughness of Cf/SiC composites.Higher sintering temperature resulted in the strongly bonded fiber/matrix interface.Fiber push-off,crack deflection and grains bridging are main toughening mechanisms of silicon carbide cera...

结果表明：烧结过程中，烧结助剂Al2O3、Y2O3之间发生化学反应，促进液相烧结，形成晶界间的次晶相YAG(3 Y2O3.5Al2O3)，有利于提高复合材料的断裂韧性；在较高烧结温度下，碳纤维、烧结助剂与基体间发生反应，形成较强结合界面；纤维拔出、裂纹偏转和晶粒桥联是碳化硅陶瓷的主要增韧机制。

After visiting , Ella Zhou from Spring International expressed their willing to try their best to promote the f1 ticket-selling in 2004 as SIC's cooperator .

在参观结束后，来自春秋国际的周小姐表示：作为上海国际赛车场的合作伙伴，他们将会尽全力做好2004年F1上海站比赛的票务销售工作。

To solve this problem, a kind of surface coating technique was introduced to obtain ultra-smooth optical surface.

以空间反射镜的使用环境为依据，对几种适用的RB-SiC改性材料进行了较为全面的分析比较。

Ad Theol.", I, i, and in the "Sic et Non and Hugh of St. Victor De sacr., I, part 9, chap.

theol专案&，我，我的，而在&碳化矽等非）和休圣维克多

The coating improved carbon fiber's resistance to oxidation at high temperature and compatibilities with the matrixes of aluminum and SiC ceramic.

涂层对碳纤维的高温抗氧化性有显著提高，并且增强了碳纤维与铝基体和碳化硅陶瓷基体的复合性能。

To investigate the ohmic contact of low resistance and high stability, the energy band models of n- and p-type SiC ohmic contact formation mechanism are put forward.

研究了TRIM模拟的结果和实验值之间存在的差异，发现可以用PearsonⅣ型函数对TRIM模拟的结果进行修正，能适当的解决沟道效应的影响。

SiC Schottky diodes with ideality factor of 1.2～1.25 and ohmic contacts with specific resistance of (5～7)×10-3Ωcm2 were obtained below 100℃.

表面氢化处理的优点在于避免了欧姆接触

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了