trivalent是什么意思_trivalent用英语怎么说_trivalent的翻译_trivalent翻译成_trivalent的中文意思_trivalent怎么读,trivalent的读音,trivalent的用法,trivalent的例句

Chromium is widely distributed in nature, organisms mainly trivalent form of chromium.

铬在自然界中广泛分布, 生物体中主要以三价铬的形式存在.

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The development history of trivalent chromium passivation for zinc plating was overviewed.

概述了镀锌三价铬钝化的发展历程.

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The major advantages and disadvantages of trivalent chromium electroplating were introduced.

介绍了三价铬镀铬的主要优点与缺点.

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The history of trivalent chromium electroplating was looked back.

回顾了三价铬镀铬的历史.

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The trivalent vaccine against typetype 3 against type 1 type one and highly effective against typetype 2.

三价疫苗对于类型3病毒效果最差,类型1病毒效果稍好,对于类型2泽很有效.

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She explains that health workers have been using what are called trivalent vaccines in some places.

她说有些地区的保健人员一直在使用所谓的三价疫苗.

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One means of accomplishing this end is to add trivalent cations to the water.

实现这一目的的一种方法是将三价阳离子加入水中.

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The hazards of hexavalent chromium electroplating, and the benefits of trivalent chromium electroplating were analyzed.

分析了六价铬电镀的危害及三价铬电镀的优点, 以及三价铬电镀取代六价铬电镀带来的效益.

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A trivalent metallic element of the rare earth group, it could occurs with yttrium.

稀土属三价金属元素, 可以与钇共生.

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" Trivalent chromium passivation shall be used unless written exception or specification update provided. "

要应用三价铬的钝化,有书面指出的例外或规格更新时除外.

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White passivating liquor trivalent chromium for zinc plating is prepared based on a new chemical formulation.

镀锌三价铬白色钝化液是由一种新的化学配方制得.

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The plating process involves trivalent chrome passivation, and so is free from Cr 6.

在电镀过程涉及的三价铬钝化, 所以是免费的由铬.

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