Chromium is widely distributed in nature, organisms mainly trivalent form of chromium.
鉻在自然界中廣泛分布, 生物體中主要以三價(jià)鉻的形式存在.
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The development history of trivalent chromium passivation for zinc plating was overviewed.
概述了鍍鋅三價(jià)鉻鈍化的發(fā)展歷程.
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The major advantages and disadvantages of trivalent chromium electroplating were introduced.
介紹了三價(jià)鉻鍍鉻的主要優(yōu)點(diǎn)與缺點(diǎn).
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The history of trivalent chromium electroplating was looked back.
回顧了三價(jià)鉻鍍鉻的歷史.
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The trivalent vaccine against typetype 3 against type 1 type one and highly effective against typetype 2.
三價(jià)疫苗對(duì)于類型3病毒效果最差,類型1病毒效果稍好,對(duì)于類型2澤很有效.
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She explains that health workers have been using what are called trivalent vaccines in some places.
她說(shuō)有些地區(qū)的保健人員一直在使用所謂的三價(jià)疫苗.
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One means of accomplishing this end is to add trivalent cations to the water.
實(shí)現(xiàn)這一目的的一種方法是將三價(jià)陽(yáng)離子加入水中.
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The hazards of hexavalent chromium electroplating, and the benefits of trivalent chromium electroplating were analyzed.
分析了六價(jià)鉻電鍍的危害及三價(jià)鉻電鍍的優(yōu)點(diǎn), 以及三價(jià)鉻電鍍?nèi)〈鶅r(jià)鉻電鍍帶來(lái)的效益.
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A trivalent metallic element of the rare earth group, it could occurs with yttrium.
稀土屬三價(jià)金屬元素, 可以與釔共生.
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" Trivalent chromium passivation shall be used unless written exception or specification update provided. "
要應(yīng)用三價(jià)鉻的鈍化,有書面指出的例外或規(guī)格更新時(shí)除外.
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White passivating liquor trivalent chromium for zinc plating is prepared based on a new chemical formulation.
鍍鋅三價(jià)鉻白色鈍化液是由一種新的化學(xué)配方制得.
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The plating process involves trivalent chrome passivation, and so is free from Cr 6.
在電鍍過程涉及的三價(jià)鉻鈍化, 所以是免費(fèi)的由鉻.
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