查询词典 adamantine boron

Boron carbide powder is grinding efficiently. Due to this quality, it is used as a grinding medium in the grinding and polishing of gem, ceramic, machinery cutter, bearing, hard alloy and other hard materials.

碳化硼粉末研磨效率高作为研磨介质主要用于材料的磨细工艺中，应用于宝石、陶瓷、机械刀具、轴承、硬质合金等硬质材料的磨削、研磨、钻孔及抛光等。

It is revealed that natural diamonds may contain as much as 59 different trace elements. The concentration of each trace element is above 1 ppm(10〓). However, the major impurities are nitrogen, hydrogen, oxygen and boron. The study of the forms of hydrogen in diamonds not only enriched the contents of mantle mineralogy, material sciences and gemology, but also provided some important informations for dealing with some problems concerning the Earth's mantle and core.

中文题名金刚石中氢的赋存状态研究副题名外文题名 The existing states of hydrogen in diamonds 论文作者杨志军导师谢先德研究员彭明生教授学科专业矿物学、岩石学、矿床学研究领域\研究方向学位级别博士学位授予单位中国科学院广州地球化学研究所学位授予日期2002 论文页码总数10，113页关键词空隙氢晶格氢金刚石馆藏号BSLW /2003 /P57 /1 天然金刚石中的微量元素达59种之多，其含量都在10〓级规模以上，且最主要的杂质元素为氮、氢、氧和硼等。

Good sources of boron include apples, nuts, raisins, legumes, grape juice and green vegetables.

苹果、坚果、葡萄干、荚豆类植物、葡萄汁及绿色蔬菜都含有丰富的硼元素。

A chiral boron catalyst is synthesized starting from L- or D-tartaric acid.

手性硼催化剂是从L-或D-酒石酸开始合成的。

Manna sugar potentiometric method has been used to determine the boron in foliage spray fertilizer which contained the humic acid.

甘露醇电位滴定法测定含腐植酸叶面喷施肥中硼的含量，用酸度计来指示滴定终点，不需对样品进行处理，方法操作简单，精密度、准确度较高，相地标准偏差小于 1%，回收率在 97%以上。

The paper applied the quantum chemistry methods and systematically studied the following 4 systems:(1) poly(alkylthiophene-co-pyridine)s;(2) carbazolyl-pyridinyl alternating copolymers;(3) 2,7- linked and 3,6-linked carbazole trimers (4) phenol-pyridyl boron complexes.

本文用量子化学方法系统研究了如下4个体系：(1)系列噻吩和吡啶共聚物；(2)咔唑和吡啶交替聚合物；(3) 2，7-咔唑和3，6-咔唑三聚物；(4)苯酚-吡啶硼配合物。

While K- treatments are well reflected by K- rachis contents, a negative interaction with boron was found in the B2 treated subplots.

叶轴中钾的含量可以很好地反映钾处理的结果，在B2处理付区中发现，施钾效果与B呈负交互效应（图4）。

The boron type delay composition column was tested under overload with a high acceleration and the combustion process was memorized by high speed photography. The results indicated that the layer-type outcomes were observed in the combustion process when the content of B was more than 12%, and that the outcomes were liquid sinters when the content of B was 8%.

针对高过载下处于燃烧状态的延期药的燃烧特性，本文应用Hopkinson压杆实验装置对B-BaCrO_4延期药药柱进行高加速度过载加载实验，同时使用高速摄影进行录像跟踪，记录其燃烧过程。

Laser Ignition Performance of Boron-Potassium Nitrate Composite at Different Oxygen/Fuel Ratio.

不同氧/燃比的硼-硝酸钾的激光点火特性。

Some of the other minerals found in this supplement include boron, chromium, cobalt, cesium, copper, he fluoride, gold, iodine, lithium, manganese, molybdenum, nickel, potassium sodium chloride, phosphorus, selenium, silicon, sulfur, vanadium, and zinc.

其他一些矿物的发现，在这方面的补充，包括硼，铬，钴，铯，铜，他氟化物，黄金，碘，锂，锰，钼，镍，钾，氯化钠，磷，硒，硅，硫，钒，和锌。

This is the inheritance of the tribe of the children of Issachar according to their families, the cities and their villages.

19：23 这些城并属城的村庄就是以萨迦支派按着宗族所得的地业。

I've have enough of your garbage.

我听了你的废话。