查询词典 si

In this paper, the mechanical alloying process and magnetic properties of Fe-Si system are studied.

本文对Fe-Si体系的机械合金化过程及其磁性能作了研究。

Mechanical alloying is a newly method to synthesize materials and is expected to produce Fe-Si alloys with high performance.

机械合金化是一种新兴的材料制备方法，有望成为制备高性能Fe-Si合金的有效途径。

Al-Si alloy is one of the most important casting aluminum alloys, which has been widely used.

Al-Si合金是铸造铝合金中最重要的一个系列，具有广泛的应用基础。

Al-Si alloy is one of the most important casting aluminum alloys, which has been widely used.

中文摘要 Al-Si合金是铸造铝合金中最重要的一个系列，具有广泛的应用基础。

The effects of Si and Fe in aluminum alloy on the soldering tendencies had been studied by hot dip aluminizing.

通过热浸铝试验，分析了铝合金中的Si、Fe元素对铝合金熔体与模具钢间的相互作用及焊合倾向性的影响。

The experiment of hot dip aluminizing had been carried out in order to study the interaction between die casting die and aluminum alloy and the effect of Si on soldering tendency between die and aluminum alloy casting.

为了研究压铸模与铝合金的相互作用，探讨Si对压铸模与铝铸件焊合倾向性的影响，进行了热浸铝试验。

In this paper, GaN one-dimensional nanosmaterials were synthesized through magnetron sputtering and ammoniating progress on Si(111) substrates.

本文介绍了利用溅射加氨化的两步生长法在Si衬底上采用金属Nb作催化剂合成一维GaN纳米材料的方法。

Firstly, Ga2O3/Ta film is deposited on Si (111) substrates by magnetron sputtering system, and then GaN nanostructures were fabricated through ammoniating.

本文介绍了采用氨化磁控溅射Ga_2O_3/Ta薄膜的方法在硅衬底上合成了GaN纳米结构的方法。

Single-crystalline GaN nanowires have been synthesized on Si(111) substrates by magnetron sputtering through ammoniating the Ga2O3/Nb films at 900 °C in a quartz tube.

中文摘要：采用射频磁控溅射技术在硅衬底上制备Ga2O3/Nb薄膜，然后在900 °C下于流动的氨气中进行氨化制备GaN纳米线。

GaN nanorods are successfully synthesized on Si(111) substrates with magnetron sputtering through ammoniating Ga2O3/Co films at 950℃.X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy, and Fourier-transform infrared spectroscopy are used to characterize the samples.

采用磁控溅射技术先在Si衬底上制备Ga2O3/Co薄膜，然后在950℃下流动的氨气中进行氨化反应制备GaN纳米棒。应用X射线衍射、扫描电镜、傅里叶红外吸收光谱、选区电子衍射和高分辨透射电子显微镜对样品进行表征。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。