chromium

[美]/'krəʊmɪəm/
[英]/'kromɪəm/
词频: 极高

释义

n. [化]铬(24号元素,符号Cr)
词形变化
复数chromiums

短语搭配

chromium plating

铬镀

hexavalent chromium

[金属]六价铬

trivalent chromium

三价铬

chromium oxide

氧化铬;铬绿

hard chromium plating

镀硬铬

chromium steel

铬钢

chromium carbide

碳化铬

chromium ore

铬矿砂

chromium iron

铬铁

chromium trioxide

三氧化铬;铬酸(等于chromic acid)

例句

With the reaction of PAS, the change of chromium gluconate on hepatic glucogen of diabetic mice induced by alloxan was observed.

应用PAS反应观察了葡萄糖酸铬治疗的四氧嘧啶性糖尿病小鼠肝糖原变化。

Microdetermination of Chromium in Ultrabasic Rock and Steel;

英文(英语)翻译 Solid Surface Chemiluminescence Analysis Ⅲ.

Elinvar is a trademark for a kind of nickel-chromium steel used for watch springs because its elasticity is constant over a wide range of temperatures.

埃林瓦是一种用于手表弹簧的镍铬钢,因其能在很大的温度范围内保持一定的弹性。

In order to strengthen its antifriction property, the material nature of the boards chooses a special formula of high molybdenum, high chromium and nickelic.

为增强其耐磨性,衬板采用的是高钼、高铬、高镍特种配方。

J.K. Dennis, T.E. Such, 1993, Nickel and chromium plating, Woodhead Publishing Ltd, England.

彭坤增,1998,铜模镀镍层组织及性质受热潜变之研究,大叶大学,硕士论文。

The preparation methods of dimethylamine hydrochloride/chromium trioxide oxidation reagent and the selective oxidation reaction of cyclohexenol to cyclohexenone with this catalyst are studied.

研究了负载型盐酸二甲胺三氧化铬氧化剂的制备方法,以环己烯醇选择性氧化成环己烯酮,考察了载体、制备方法、活化条件对氧化剂性能的影响。

If total chromium is to be determined, it is necessary to oxidize the Cr(Ⅲ) to Cr(Ⅵ) by potassium permanganate before reacting with diphenylcarbazide.

对总铬测定则采用高锰酸钾氧化,使铬全部转化为六价,然后再与二苯碳酰二胼反应。

At present, trivalent chromium electroplating process has became one of the mostimportant techniques to taking place of the seriously pollutional hexvalent chromiumelectroplating process.

目前,三价铬电镀工艺已经成为取代重污染六价铬电镀的最重要技术之一。

This paper has introduced the green-protection zincum-chromium coat, i n ianther word, it is "DACROMET" coat, it is one kind of liquid that confected from zincum flake alumimium flake chromate flake.

本文详细介绍了绿色环保型锌铬涂层即“达克罗”涂层,它是以锌片、铝片、铬酸盐等配制而成的溶液。

Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

吡啶可以和卤素、硝基四氟化硼盐、三氧化硫、硼烷及三氧化铬反应,形成一些有用的有机试剂。

Some common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.

介绍了装饰性镀铬最常见的质量故障:均镀能力差、边角易烧焦、铬层暗灰色、花斑、蓝膜、雾状、麻面和粗糙等。

Electrotechnical products - Determination of levels of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers

机电产品---六种受控物质(铅、水银、镉、六价铬、多溴联苯、多溴联苯醚)水平的测定

原声例句

One thing which is strange is the total chromium contained in the paddy plants.

奇怪的是,水稻植物中总的铬含量。

来源: Environment and Science

These metals included zinc, chromium, nickel and cadmium.

这些金属包括锌、铬、镍和镉。

来源: Science in 60 Seconds - Scientific American January 2021 Collection

" Stainless steel" is a metal that has another metal mixed with it called " chromium" (chromium).

“不锈钢”是一种金属,其中混合了另一种叫做“铬”(铬)的金属。

来源: 2017 ESLPod

Unfortunately, some of these contain cancer-causing cadmium, lead, chromium, and mercury.

不幸的是,其中一些含有致癌的镉、铅、铬和汞。

来源: TED-Ed (video version)

The e-liquid or the aerosol can also contain metallic particles like chromium, cadmium and lead.

和“独角兽Puke” 。 电子液体或气溶胶也可能含有铬、镉和铅等金属颗粒。

来源: TED Talks (Audio Version) May 2019 Compilation

He was huddled in the corner under the two shining faucets, and water dripped slowly on his chest, from the chromium showerhead.

他蜷缩在两个闪闪发光的水龙头下的角落里, 水从镀铬的花洒头上缓缓滴落在他的胸口。

来源: The Woman at the Bottom of the Lake (Part 1)

Some sneaker tops are made from natural sources like leather, but tanning this material relies on chromium; a carcinogenic chemical that can damage freshwater ecosystems.

有一些运动鞋的鞋面是由皮革等自然资源制成的,但是需要依靠铬为材料进一步上色,而铬是一种能够破坏淡水生态系统的致癌化学物质。

来源: Bilingual Edition of TED-Ed Selected Speeches

The fog had cleared off outside and the stars were as bright as artificial stars of chromium on a sky of black velvet.

外面的雾已经散去, 星星像黑色天鹅绒天空上的铬人造星星一样明亮。

来源: Goodbye, My Love (Part 1)

Firstly, too much turbidity, trace organic compounds, or high-density heavy metals like arsenic, chromium, or lead, mean that the water is unsuitable for consumption.

首先,水的浑浊度、微量有机化合物或砷、铬或铅等高浓度重金属含量过高,均不适合饮用。

来源: TED-Ed (video version)

The shower curtain was green and white oiled silk and it hung on shiny chromium rings and it was drawn across the shower opening.

浴帘是绿白相间的油丝绸, 挂在闪亮的铬环上, 拉在淋浴间的开口处。

来源: The Woman at the Bottom of the Lake (Part 1)

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