查询词典 tin

Using tin, tin as central metal, and Schiff base, formed from potassium salt ofα-amino acid and salicylaldehyde, as substrate, various reaction systems were tested.

在新型的合成思路的指导下，尝试了以锡、锡为中心金属，以氨基酸盐同水杨醛形成的Schiff碱为底物的手性合成体系。

But the Emperor Guangxu,"Wuxi County Golden County" that:"When Wang Mang alter the name of counties with the old name is often the opposite," the so-called "tin out and renamed, filial piety and subinvolution dried up when the tin, according to almost inadequate."

但清光绪《无锡县金匮县志》认为：&王莽时大改郡县之名往往与旧名相反&，所谓&锡出而更名，孝顺时锡竭而复旧，殆不足据。&

VRLA battery uses lead calcium alloy for grid and lead tin alloy for strap, the COS process more likes soldering, COS of lead-tin strap is difficult and needs flux and tinning.

VRLA电池使用铅钙合金板栅和铅锡合金汇流排，其制造过程更像是钎焊。铅锡合金汇流排铸焊过程须使用助焊剂和搪锡。

Specializes in printing, can making and the manufacture of metal packaging containers, the company is located in the cities and the county road on the north side of West Tsubo, was established in December 2003, 12 million yuan registered capital, business scope is production and marketing of various tin packaging, tin three cans, metal packaging products.

企业现状：廊坊大信容器有限公司专业从事印铁、制罐和金属包装容器的制造，公司位于大城县城西津保路北侧，成立于2003年12月，注册资本1200万元，经营范围主要是生产销售各种铁罐包装、马口铁三片罐、金属包装制品。

The structure of the implanted zone and unimplanted zone was observed by X-ray photoelectron spectroscopy and high voltage electron microscopy.

结果表明：复合渗镀＋PVD法沉积的TiN薄膜呈较为均匀、致密、细小的组织，Ti和N原子由表层呈梯度向内分布。与PVD法沉积的TiN层不同，是属于冶金扩散结合层，渗镀层厚度可达10μm以上。

25 Kinds of the weldable Tin and Tin-base alloys electroplating processes in the nearest 10 years in China were rewiewed systematically and completely.

系统而又比较全面地总结了我国近10年来电镀可焊性锡及锡基合金工艺25种，并指出了每种工艺的镀液性能和镀层质量的优劣，最后提出了可焊性电镀的发展趋势。

It is suggested that the tin species promote the formation of a network as for tin oxide xerogel, through which copper ions and anions migrate.

这告诉我们，锡物质能促进像氧化锡干凝胶那样的网络的形成，铜离子和阴离子就通过它迁移。

A layer of tin atoms on a germanium surface forms a flat lattice, but at temperatures below about 150 Kelvin--for reasons that aren't entirely clear--the tin layer spontaneously corrugates to form a new structure, or phase, with one atom out of every three moving away from the substrate.

一层锡原子在锗表面可以形成一个平整的晶格，但是当温度低于150K锡原子层会自发的褶皱起来形成一种新的结构，或者说是新相，这时每三个原子中会有一个运动而离开基质表面。

In order to further improve the properties of tin electrodeposits, a multifunctional sulfate tin plating additive was developed.

为进一步提高镀锡层的性能，研制出一种多功能硫酸盐镀锡添加剂。

The effects of bath composition, cathodic current density and temperature of alkylsulfonate base tin-lead alloy electroplating on tin content and thickness of electrodeposits were studied through Hull cell test.

利用赫尔槽试验研究了烷基磺酸盐电镀锡铅合金工艺中电流密度、主盐浓度、游离酸浓度及温度对镀层厚度和组成的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了