查询词典 metal

The acidic composition can be prepared by mixing a monovalent or polyvalent cation and an organic acid in the presence of a strong oxyacid, wherein the resultant acidic composition is less corrosive to a ferrous metal than a solution of a mineral acid having the same acidic pH value as that of the acidic composition, and where in the acid composition is more biocidal than a mixture of the organic acid and a metal salt of the organic acid which mixture has the same acid normality value as that of the acidic composition.

所述酸性组合物可以在一种强羟基酸存在时，通过混合单价或多价阳离子和有机酸来制备，其中与具有相同的酸性pH值的无机酸溶液相比，所形成的酸性组合物对含铁金属的腐蚀性更小，并且与具有相同酸当量值的有机酸与有机酸金属盐的混合物相比，所述的酸组合物具有更强的杀生物作用。

Ans 1 Yes, we can get job visas working permit visas for 4 years only for the following categories, Medical Practitioner, Registered Nurses, Registered Midwives, Pharmacists, Chef, Automotives Electrician, Fitter, Furniture Upholsterer, Motor Mechanic, Hairdressers, Panel Beater, Pastry Cook, Toolmaker, Vichicle Painter, Welder (first Class, Refrigeration and Airconditioning Mechanics, Metal Fabricator, Metal Machinist, General Garden Work.

是答1，我们能有工作签证工作许可证签证适合4 年只适合下列种类，开业医生，领有执照的护士，注册助产士，药剂师，主厨，汽车电机师，剪裁和试样的裁缝，家俱室内装饰商，电动机技工，理发师，小组打击者，糕饼库克，Toolmaker，Vichicle 画家，焊工(一流，冷藏和 Airconditioning 力学，金属Fabricator，金属机械师，一般的花园工作。

For example, it can effectively disperse the pasty metal pigment into powder coating, and get the metal effective surface.

所以具有十分广泛和十分深远的意义。

Some methods of environmental geochemistry, pedology, ecology and statistics are combined applied to study the effects of discarded rocks and mining tailings in metal mining on soil heavy metal pollution and the effects of these contamination on hygienic quality and nutritional quality of Chinese cabbage .

综合运用环境地球化学、土壤学、生态学和统计学的方法开展了矿山废弃物尾矿石的堆置对土壤造成的污染以及矿区土壤重金属污染对白菜的卫生品质和营养品质的影响研究。

Reductive dechlorination of polychlorinated biphenyls by zero-valent metal ;2. Zero-valent metals can be used to treat many kinds of pollutants including Organohalides,heavy metal,nitro-aromatic compounds,azo dye,perchloride and nitrate etc.

介绍了零价金属在处理环境污染物中的具体应用，包括卤代有机物、重金属、硝基芳香族化合物、偶氮染料、高氯酸盐以及硝酸盐等，指出零价金属可以通过还原和混凝吸附等作用有效地治理环境污染物，并分析了零价金属处理污染物的特点和应用前景。

C－Corrosive is a neutral petrolatum based system designed to isolate all metal surface. It is developed for long-life protection against corrosion and the water-proofing of pipes, flanges and valves for marine use and the most severe atmospheric, buried and submerged metal surfaces.

STAC(S－表面 T－持久的 A－防 C－腐蚀)是一种基于处于最恶劣的腐蚀环境－海水中管道的防腐蚀的特殊要求而发明的一种具有优异防腐蚀性能的油性矿酯胶带。

Zhejiang Phaeton container factory is mainly engaged in metal containers, chemical equipment, metal grid structure, light steel structure design, manufacture and installation.

浙江辉腾容器厂主要从事金属容器、化工设备、金属网架结构、轻钢结构的设计、制造与安装。

Several trivalent (boron, aluminium, iron, arsenic and antimony) and tetravalent metal/non-metal derivatives of N-(2-methyl) phenylglycine have been prepared by the interaction of their corresponding isopropoxide with the latter in 1:1 and 1:2 molar ratios in benzene medium.

用N-(2-甲基)苯基甘氨酸合成了几种及四价金属/非金属衍生物。

A 195 μm×150 μm metal-semicondctor-metal photodetector based on this materials was fabricated and characterized.

以外延的Ge层为吸收区、在硅基上制备了台面面积为195×150μm^2的金属－半导体－金属光电探测器。

The invention provides a method of decreasing big pattern hollow during metal and polysilicon chemical and mechanical rubbing, it mainly uses photoetching and etching technique, combining decorated chemical and mechanical rubbing method, avoids big pattern hollow when metal and polysilicon is rubbed.

本发明提供一种在金属和多晶硅化学机械研磨中减少大图案凹陷的方法，主要通过以光刻和蚀刻技术结合修饰性化学机械研磨的方法，避免对大图案的金属或者多晶硅进行研磨时出现过度凹陷。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。