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

1、

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.

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2、

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.

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3、

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?

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4、

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.

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5、

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.

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6、

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.

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7、

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.

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8、

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.

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9、

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.

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10、

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.

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11、

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.

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12、

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.

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13、

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.

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14、

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.

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15、

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.

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16、

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.

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17、

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.

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18、

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.

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19、

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.

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20、

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.

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