硅

In addition, silicon-germanium is a less expensive material than the compound semiconductors such as gallium arsenide or indium phosphide that have long been used in radar systems.

此外，硅锗是一种不太昂贵的材料比化合物半导体，如砷化镓或磷化铟，长期被用于雷达系统。

Silicon-germanium amplifiers can only produce about one watt of radio frequency power, versus 10 watts from a typical gallium arsenide device.

硅锗放大器只能生产约1瓦特的射频功率，与10瓦的一个典型的砷化镓器件。

Because of the rapid development of the wireless communication technology, the design and research of the integrated circuits in the related field has gained more and more attention in recent years. And with the advance of the IC process technology, the cutoff frequency of MOS devices can reach several giga herz or more. It is a trend that CMOS process will replace the III-V compound process such as gallium arsenide or silicon bipolar process which were dominant in the fields of radio frequency and microwave.

近年来，由于无线通信技术的飞速发展，相关领域的集成电路的设计研究也受到越来越多的关注；同时由于工艺技术的不断进步，MOS器件的特征频率也可以达到几个GHz或更高的水平，原来在射频、微波领域占主导地位的三五族化合物半导体工艺如砷化镓及硅双极型工艺也有逐渐被CMOS工艺所取代的趋势。

The compound semiconductors of III-V Group just as gallium arsenide have hige carrier transition ratio and good optoelectronic performance, so the study and application of these materials are very hot.

以砷化镓为代表的Ⅲ-Ⅴ族化合物半导体具有高度迁移率和比硅更优异的光电子等性能，许多国内外关于这类材料的研究和应用一直是热门课题。

The phosphine and arsine absorb the ultraviolet light much more strongly than does silane, causing them to be deposited out on the walls of the container.

磷化氢和砷化三氢对紫外光的吸收比硅烷强烈得多，因此，它们就沉积在容器的器壁上。

The interfacial effects of silane coupling between asphalt with granite and cement mortar were studied in this paper.

研究了硅烷偶联剂对沥青与石料及水泥砂浆界面的作用。

Most astronomical reflecting telescope glass mirror components are made of borosilicate glass because of its low coefficient of expansion with heat.

大多数天文反射望远镜玻璃镜面组成部分是由硼硅玻璃，因为它低膨胀系数与热。

Shanghai 201208, ChinaAbstract : Frameworks of Na n ZSM-5 type zeolites with various Si/Al ratios have been constructed and optimized with molecular dynamic quench simulation. The results show that the structure parameters of Na n ZSM-5 type zeolite, including the bond length and atomic charges, are consistent with those predicted by ab initio cluster calculations.

利用分子动力学quench方法对所搭建的具有不同硅铝比的NanZSM-5型分子筛进行了优化，结果表明其键长、原子电荷等结构参数与 ab initio 计算法得到的结果相吻合。

The largest corrected intermolecular interaction of the mixture is 24.51kJ/mol. Atomic net charges and nature bond orbit are analysed. The charge transfer between two molecules is great. The weak hydrogen bonds are formed in H…O and F…H.

原子静电荷和自然键轨道分析表明，高聚物粘结剂与硅烷偶联剂之间存在较强的电荷转移，分子间存在H…O和F…H等弱氢键作用。

Because the atomic lattice structure of gallium nitride is better matched to sapphire than it is to silicon making LEDs on silicon without distortions has proved extremely tricky.

由于镓 氮化合物的原子格结构和"蓝宝石"的匹配要比它同硅的匹配效果好所以不进行弯曲来进行 LED灯泡的生产被证明是极其精明的。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。