铬

In this paper, the delay precision of B/Pb3O4 delay composition is proved tobe not as good as that of B/BaCrO4 delay composition through the research of PIR.

通过对反应机理的研究，揭示出硼铅丹延期药的长贮稳定性较差、不宜长期贮存，而硼铬酸钡延期药的长贮稳定性相对较好的结论。

They are usually made of brass or chrome plated, or they have a powdered coated paint finish.

他们通常所作的黄铜或镀铬，或者他们有一个粉涂油漆完成。

They have large chrome plated D rings for use as restraints.

他们有很大的镀铬作为限制使用D形。

After chrome plating, designated surfaces are to be free of blemishes, scratches, and other defects.

在镀铬之后，指定的表面不可以有任何的瑕疵，刮伤和其他的缺陷。

Test and measure parts (dimensional, colour and surfacing layer thickness such a Chrome platting, paint, PVD, etc) and release testing result report according to the quality standards.

测试和测量零件(包括尺寸，颜色，表面层如镀铬，濆涂， PVD等的厚度)，并根据质量标准发放测试结果报告。

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。

A new method for the concentration and separation of chromium and chromium in environmental water with polyamide resin was developed.

1引言不同价态铬有不同的环境行为和生物效应。

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。

To obtain salinity reduction in conventional pickling process, application of Cr-Al combination tanning to goat bated hides pretreated by Potash alum was investigated to substitute for salt pickling in single-factor test method.

为减少制革常规浸酸工序的盐污染，采用单因素试验方法进行了用明矾预处理山羊软化裸皮以代替食盐浸酸及铝铬结合鞣制的工艺实验。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。