金属

"Plating: Coating a metal or other material, such as plastic or china, with a hard, nonporous metallic surface to improve durability and beauty."

镀覆：对金属或其它一些材料，如塑料或瓷器，镀上一层硬而密实的金属表面，以提高耐用性并增进美观。

Alloying of metals involves melting the main ingredients together so that on cooling, the metal alloy is generally a nonporous solid.

涉及金属合金熔化的主要成分在一起，使冷却，金属合金通常是无孔固体。

Flexible metal seal butterfly valve is the national focus on new products, high-performance flexible metal seal butterfly valve used one pair of eccentric and a special oblique cone oval seal structure.

弹性金属密封蝶阀是国家级重点新产品，高性能的弹性金属密封蝶阀采用了一个双偏心和一个特殊斜锥椭圆密封结构。

Objective To determine the activities of matrix metalloproteinase-2 and -9 in odontoblast of healthy and carious teeth and explore the roles of MMP-2 and MMP-9 in pathogenic mechanism of dental caries.

目的 比较健康牙齿和龋齿成牙本质细胞中基质金属蛋白酶－2MMP-2）和基质金属蛋白酶－9(MMP-9）的活性，以探讨MMP-2和MMP-9在龋病发病机制中的作用。

It is found that the nature of the interaction between CO and Pd(110) surface by population analysis and DOS analysis what the 5σ orbital of CO and the d orbital of metal formed electron donation; and the 2π* orbital of CO and 4s and 3d orbital of metal formed electron back- donation.

通过布居数分析和态密度分析发现， CO 和 Pd(110)表面的相互作用，主要是 CO 的5σ轨道和金属原子的 d 轨道形成5σ-d 配位键；同时 CO 的2π*轨道和金属原子的4s 和3d 轨道形成反馈键。

All unique properties of charges, spins and crystal structures of transition metal-oxides can attribute to their symmetrical valence electron orbital. Indeed, many important features, such as high temperature superconductivity, colossal magnetoresistance effect and metal-insulator transition are in closely connection to the complicate charge-spin interaction.

中文摘要过渡金属氧化物中，电荷、自旋及晶体结构等属性，皆与价电子轨域对称性有关，因为它们的电子电荷与自旋彼此间的交互作用，以及晶体结构上的转变，产生如：高温超导、庞磁阻效应及金属绝缘相变等物理特性。

In order to provide customers a complete set of equipment from the equipment to the professional solutions and services to companies in 2004 formed a 100-binding equipment Shanghai Co., Ltd., which makes metal dual-coil, single-coil of metal, plastic, single-coil, calendars and hook index Film , And other products, all products from raw material to finished product for each production processes have been strict quality control to ensure product quality. Shanghai 100 Trade Co., Ltd. was founded in 2000, the Main BOPP Refeng shrink film, cable box (3-D transparent membrane packing machine supporting materials) and book-ching, with.

为了给客户提供从设备到器材一整套专业的解决方案和服务，公司于2004年组建了上海文百装订器材有限公司，主要生产金属双线圈、金属单线圈、塑料单线圈、挂历钩以及索引膜等产品，所有产品从原材料到成品每个生产环节都经过严格的质量控制，保证产品品质优良。

Over the past decades, various efficient methods based on organometallic homogeneous catalysts have been developed.

在过去的三十多年里，合成化学家们将更多的目光集中到金属有机化合物均相催化剂上，设计合成了许多金属配合物催化剂。

The application of organometallic reagents in fine organic synthesis.

主族元素的有机金属化合物其三类金属一碳键的性质。

Content Five parts will be given: 1 the relationship of organometallic chemistry and Nobel Prize and its scientific meaning.

课程内容：课程主要内容有：1）金属有机化合物与诺贝尔化学奖的成果的科学意义。2）金属有机试剂在精细有机合成中的应用。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷