查询词典 adamantine boron

Keywords: Afterburning Efficiency;Solid Ducked Rocket;numerical simulation;Boron;Solid Propellant

中文关键词：二次燃烧效率；固冲发动机；数值模拟；硼；固体推进剂

The superfine boron powder was coated by aggradation method with AP using methanol or acetone as the solvent.

采用沉积法，以甲醇、丙酮为溶剂，AP为主要原料，对超细硼粉进行包覆。

Boron is a kind of fuel obstinately searched for high-performance air-breathing solid rocket/ramjet engine and ramjet engine.

硼是高性能吸气式的固体火箭冲压发动机和冲压发动机瞩目追求的燃料，80年代常规固体火箭动力方面对硼燃料也表现了浓厚的兴趣。

We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays.

我们已经展示了人工放射现象的可能性，这种放射现象的特征是用以射线轰击用咄硼和镁中的正电子或负电子。

A cultured experiment is conducted in laboratory to study the effect of weathered coal and boron on the ammonification and nitrification of urea and on phosphourus availability.

氮肥中脲酶抑制剂和硝化抑制剂的应用，是提高氮肥利用率比较成功的例子。

Coal humic acid, boron, ammonification, nitrification, phosphorus availability

煤炭腐植酸，硼，氨化作用，硝化作用，磷有效性

Inorganic agents such as sodium bicarbonate, ammonium carbonate and sodium boron hydride generate gas slowly and the gas produced by these agents is generally difficult to control.

无机物质如碳酸氢钠，碳铵和钠硼氢化物气体产生缓慢，所产生的沼气，这些代理商通常很难控制。

These studies indicate that the boron fluoride with nitromethane or acetone system with higher separation factor is superior to the anisole system used currently,but a more detailed study is.

采用苯甲醚、硝基甲烷、丙酮、甲基异丁基甲酮4种络合剂分别与三氟化硼合成出了4种络合物体系。

Boron can improve and increase the antifriction property and thermal stability of oils when it is induced into lubricating oil additives.

硼元素引入润滑油添加剂中可改善和提高油品的抗磨性能以及热稳定性能等。

According to the Vegard's law and density functional theory of quantum mechanics, the lattice match conditions of Boron-contained arsenide and antimonide quaternary materials have been deduced, the bandgap properties of such quaternary materials have been theoretically analyzed, and the bandgap bowing parameters of all ternary compounds included have been theoretically calculated.

依据维加德定理和量子力学中的密度泛函理论计算出含硼砷化合物和含硼锑化合物四元系材料与GaAs、Si晶格匹配的条件及其带隙性质，同时计算出上述四元系材料所含三元系材料的能带弯曲参数，进而推导出BInGaAs、BInAlAs、BGaAsSb和BGaPSb四元系材料的发光波长与硼元素并入比例的关系。

This immediately brings us to the next part of this article: creating an output "replace function".

下面进入文章的第二部分：建立一个"缓存处理函数"。

He was elected as an International Ornithological Committee member in 2002 during the 24th IOC held in Beijing.

现为中国鸟类学会理事和WPA 专家组成员。2002年被推选为国际鸟类委员会委员。