查询词典 chromium

When exposed in air, stainless steels passivate naturally (due to the presence of chromium).

当暴露在空气中时，不锈钢就自动钝化。

However, in nanolized iron system, the influences of chloride, sulfate, nitrate and perchloride ions on chromium removal rate were very relatively insignificant.

然而在奈米铁系统中，氯离子、硫酸根、硝酸根及过氯酸根对於六价铬的去除效果影响较不明显，但磷酸根却会使六价铬的去除效果明显降低。

Otherwise existence of the phosphate, perchloride and nitrate ions can reduce the rate of chromium removal by zero valent iron in commercial powder iron system.

研究结果显示当六价铬中含有氯离子和硫酸根时能增加商业铁粉对六价铬的去除效果，而硝酸根、过氯酸根及磷酸根则会使商业铁粉去除六价铬的效果变差。

Minerals and elements such as manganese, iron, copper, cobalt, carbon, chromium and silica which are present in the petrification process give the petrified wood a rich variety of colour range and lustre.

在石化的过程中，含锰、铁、铜、钴、碳、铬、硅等化学元素的矿物会参与其中，赋予了木化石变化万千的色彩与光泽。

We are the only manufacturer of Piperonal through rauvite natrium oxidizing production low, and its annual output is 120 tons. We are also the only manufacturer of Raspberry ketone through phenol production line, and its annual output is 200 tons. The curatorial intermediate, F101 Composite resin rubber sulfidizer, and high molecular materials are new and high-tech products first developed in China with the quality reaching international level. The leather chemical product-basic chromium sulphate has won the Scientific and Technological Reward of Suzhou City, and has been taken as reference for The Ministry of Science and Technology of The PRC formulating standard.

年销售8000万元，其中香料产品洋茉莉醛用红矾钠氧化法生产线，目前国内独此一家，年产量达120吨；覆盆子酮用苯酚路线生产的产量达200吨国内独此一家；医药中间体，橡胶类F101复合树脂硫化剂，高分子材料类属高新技术产品，国内首创，质量达到国际水平；皮革化工"碱式硫酸铬"等获得苏州市科技成果奖，并参与国家技术部制定标准。

The results also showed that the negative effects caused by plumbum or chromium become more obvious except in the treatment of 360 mg·L^-1 plumbum, when the concentration increased.

除处理浓度为360mg·L^-1的铅处理外，随着铅、铬胁迫浓度的升高，对茶树营养芽的物候期、发芽数、芽叶重量和长度都有一定的负面影响。

On the bond strength between porcelain enamel and nickel-chromium alloy has been studied.

本文研究了底材除气和预氧化处理、搪烧制度等工艺因素对于瓷釉与镍铬合金结合强度的影响。

The roller furnace pot uses the 1Cr18Ni9Ti stainless steeliness circled to columnar, or uses the chromium manganese nitrogen refractory steel casting, one side bearing spider outside the furnace body supporting, and uses the electric motor belt speedreducer to carry on the passing-use, to cause the furnace pot to revolve slowly, the work piece causes it heating along with drum furnace pot revolving evenly, and work piece mutually between non-cover phenomenon, after heat treatment, the luster is consistent, furnace pot another end is a feeding head,by two trolley supporting.

滚筒炉罐采用1Cr18Ni9Ti不锈钢制成圆柱型，或采用铬锰氮耐热钢铸件，一端由轴承支座在炉体外支承，并采用电动机带减速机进行传用，使炉罐缓慢旋转，工件随滚筒炉罐旋转使之受热均匀，并且工件互相之间无复盖现象，热处理后色泽一致，炉罐另一端为进料口，由二只滚轮支承。

A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward.

提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺，并优选出过程中主要环节的合理操作条件。

In this paper, we used the ab initio calculation method of quantum chemistry to calculate the molecular structure and nature about the chromium.

本文用量子化学的从头计算方法计算研究了相关铬分子的结构和性质。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。