COB type LED has the lower thermal resistance than lead frame . Metal substrate appropriate power package.

The finite element method was used for analysis of heat stress in chip on board ( COB ).

本文采用有限元法分析了板上芯片 ( COB ) 的热应力分布.

By using FC or COB, die products are mounded in the MCM.

这些芯片级产品可以以fc方式或COB方式安装在封装体中.

Come on, why should COB say and piss lotsof people with that?

再说, cob为什麽非得说这种会惹恼那麽多人的话?

Aloe contains ten vitamins, including an uncommon, plant derived source of B 12, also know as cobalamin.

芦荟含有十种维生素, 包括一种稀罕的 、 从植物中提炼出来的B12维生素源头, 叫做氰钴胺素.

The company has built a feed additive cobalt sulfate and sodium selenite of a production line.

公司目前已建成饲料添加剂一水硫酸钴和亚硒酸钠生产线各一条.

The titer is respectively enhanced by about 14 % and % after adding potassium and cobalt.

培养基中添加钾和钴分别提高效价约14%和%,添加铜会抑制红霉素的生物合成.

Nickle, cobalt and bismuth are turned into corresponding hydrated oxide by hydrolysis.

镍 、 钴、铋水解成相应的氢氧化物,具有设备简单、易操作、成本低的特点.

Fine cobalt powder can be cobalt oxalate as precursor in combination with properly chosen decomposition conditions.

细粒草酸钴要在适当分解条件下才能制出细颗粒钴粉.

Adding triethanolamine oleate to the solution can obviously inhibit the leaching of cobalt from cemented carbide.

油酸三乙醇胺与硼砂复配,对硬质合金中钴浸出的抑制效果更佳.

In order to improve the resistivity of oxidation, dysprosium cobalt ferrite magnetic fluids were prepared.

摘要为了提高磁流体的抗氧化能力, 制备了镝钴铁氧磁流体.

Click here to view status and statistics about the web server running on the Cobalt server.

点击此处可查看关于运行在服务器上网站的状况和统计表.

The synthesis of regular octahedron cobalt oxide battery material in supercritical carbon dioxide system was studied.

研究了正八面体氧化钴颗粒在超临界二氧化碳体系中的合成过程.

Cobalt of standard solution is used as titrant.

以钴标准溶液为滴定剂,铂电极为指示电极,甘汞电极作为参比电极,利用电位的突变来指示终点.

Former sterilization for Chinese herbal medicine usually adopts cobalt 60, ethylene oxide, alcohol, microwave, ozone etc.

以往中药消毒大体采用钴60 、 环氧乙烷 、 酒精 、 微波 、 臭氧等方法.

A cobalt chromium alloy with titanium was used for the fabrication of the framework.

含钛的钴铬合金用来制作这个支架.

The field performance and life are identical with traditional integral cobalt alloy pad.

现场使用性能及寿命均和传统整体钴合金垫块相同.

Cobalt salt was employed as catalyst precursors, copper plate as substrate and ethanol as carbon source.

剂先体 、 薄铜片作为基底制备碳纳米管.

USE: For the manufacture of cobalt protoxide, and the painting of cobalt pigments, cobalt salts, enamels.

用途: 用于制造氧化亚钴, 钴颜料 、 盐 、 器着色.

However , at present the closed Cobalt cycle has still been solved in the solution of sulfate.

生产中钴的闭路循环问题一直困扰着诸厂.

The company had for years the productivity 500 ton cobalt metal quantity cobalt blue production line.

留学解答资讯网:公司具有年生产能力500吨钴金属量的钴盐生产线.