查询词典 diamond boron

When adulterated with boron atoms the electric resistance of diamond will drop and it will become a kind of semiconductor.

当金刚石中掺入硼原子后可使其电阻率下降，成为典型的半导体材料。

Its main products are: diamond, cubic boron nitride, ultrafine Carbide Tool, cutting non-ferrous metal, black metal, composite wood, stone and other materials there are more than 20 series over 100 varieties tool.

其主要产品有：金刚石、立方氮化硼、超细硬质合金刀具、切削有色金属、黑金属、复合木材、石材等材料共有20多个系列100多个刀具品种。

It is black opaque body hexagonal crystal and MO-hardness in the 9.15-9.5, which is after diamond and boron carbide with crisp and sharp performance and a certain degree of conductive heat.

仅次于金刚石和碳化棚，性能脆而锋利，并且有一定的导电热性。

If it could stand up to higher energy threats, military experts believe that boron carbide - whose hardness approaches that of diamond - would find greater use as a lightweight armour material for military, police, diplomatic and other vehicles.

因为如果该材料能抵抗高强度武器的话，碳化硼这种和钻石硬度相当的材料能够成为军事车辆、警车、外交车辆和其它车辆的轻型防护材料。

By taking diamond and cubic boron nitride as model compounds, this paper presents a systematic description on applications of high-pressure technique in inorganic synthesis.

本文以金刚石、立方氮化硼和一些典型化合物为例，系统地介绍了高压技术在无机合成中的应用。

On the basis of the introduction and analysis of the history, current situation and development of explosive synthesis of superhard materials, the mechanism and technology of diamond and dense boron nitride synthesis by shock compression and some explosive mechanics problem in explosive synthesis have been studied systematically in this research.

本文在对超硬材料爆炸合成研究的历史、现状及发展趋势进行评介、总结与分析的基础上，以金刚石、高密相氮化硼为研究对象，对爆炸合成理论与技术，以及爆炸合成中所涉及的一些爆炸力学理论问题进行了较为系统的研究。其主要研究成果如下

As a result of diamond, cubic boron nitride of high prices, with good wear resistance, and the consolidation of their manufacturing and general abrasive abrasive abrasive different consolidation, with the exception of super-hard abrasive layer, there are transition layer and matrix.

由于金刚石、立方氮化硼的价格高、具有很好的耐磨性能，用它们制造的固结磨具与普通磨料固结磨具不同，除超硬磨料层外，还有过渡层和基体。

As the diamond, cubic boron nitride of high prices, with good wear resistance, they are manufactured with ordinary abrasive Bonded abrasive Bonded abrasive different, in addition to super-hard abrasive layer, there are transition layer and matrix.

由于金刚石、立方氮化硼的价格高、具有很好的耐磨性能，用它们制造的固结磨具与普通磨料固结磨具不同，除超硬磨料层外，还有过渡层和基体。

They have found a form of boron that is nearly as hard as diamond.

他们制造了一种硼，这种硼比宝石还要硬。

The results show that the synthesis temperature is the main factor that affects the content of boron in the synthesized diamond.

实验结果表明，合成温度是影响晶体中硼含量的主要因素。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。