查询词典 metal

The characteristics and trends in material research／development at present are discussed,focusing on the new progress in material research done by the Institute of Metal Research CAS.What were studied include ultra-high strength maraging steel,nickel-free austenite stainless steel for medical applications.coronary artery bracket for drug's slow release,antibiotic stainless steel and metal hydride for the use of air conditioner.

摘 要：首先分析了材料研究与发展中呈现出的新特点和新趋势，着重介绍了中国科学院金属研究所相关课题组近年来在超高强度马氏体时效钢、新型医用无镍奥氏体不锈钢、缓释药物冠动脉支架、抗菌不锈钢、金属氢化物空调等新材料及新材料技术方面的研究新进展。

Power system ; HVDC power transmission ; Ground return ; Metal return ; Ground return transfer switch; Metal return transfer breaker

电力系统；直流输电；大地回线；金属回线；大地回线转换开关；金属回线转换开关

Two carbonyl triruthenium metal clusters were separated with cellulose tris (3, 5-dimethylphenyl-carbamate) as chiral stationary phase. The effects of the optimal conditions were determined according to the effects of the mobile phase composition, the flow rate of the mobile phase and the solvents of the samples etc on the chiral separation of the metal clusters.

应用纤维素三（3， 5-二甲基苯基氨基甲酸酯）手性固定相对2种羰基钌金属簇合物进行了拆分，通过流动相组成、流速和样品溶剂等条件对拆分影响的考察对拆分条件进行了优化。

Exchang reaction of carbonyl with organic or inorganic ligands of electron-doner and metathesis of metal halids with carbonyl metal negative ion have been used to prepare some heteronuclear atomic clusters. The reaction condition are often moderate. They performed easier and have, a mord yield.

利用给电子有机和无机配位体的交换反应和金属卤化物与羰基金属阴离子的复分解反应，合成异核原子簇具有反应条件温和易于控制，收率较高的特点。

The company has passed ISO 9001 quality management system certification, specializing in a variety of electrical components of the metal surface treatment, electrical products contact pieces point gold-plated, silver, nickel, copper, tin, zinc and acid, such as electroplating, aluminum oxide and coloring , and metal pieces of the surface of electroless nickel plating.

公司已通过 ISO 9001 质量管理体系认证，专业从事各种电器元件的金属表面处理，电器产品接触件、点的镀金、银、镍、铜、锡、锌及酸洗等电镀，铝材氧化和着色，及金属件表面化学镀镍。

Fertilization of heavy metal contaminated soils is a practicable technology for mitigating heavy metal content in shoots of leaf vegetables.

重金属污染土壤施肥处理是一种值得推广的降低叶菜有害重金属含量的有效技术。

The metal-bearing rock can also show large dielectric enhancement when the metal particles are coated by low conductive membrane.

对于含金属颗粒的岩石模型，如果金属颗粒表面存在低电导率膜层，该介质就会在低频端出现很大的介电增强。

A metal or metal-clad ram projecting from the bow of an ancient warship.

古代战舰船头上突出的金属或包有金属的铁嘴撞角。

A metal or metal-clad ram projecting from the bow of an ancient warship.

角撑板一种三角形的金属托架，用来加固地板托梁

As the most important equipment, Metal-clad switchgear guarantee the safe operation of electric power system. Sometimes, the temperature of part of Metal-clad switchgear maybe over the limit of safe operation, and then arouse accident, bring losing.

开关柜是保证电力系统安全运行的重要设备之一，但是经常因为开关柜局部过热，而引起事故，造成损失。

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。