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The polyvinyl chloride static and dynamic experiments of the heat stability by three novel low-lead, non-lead and low-tin, and non-lead and non-tin thermal stabilizers remixed respectively with phosphite ester, epoxidized soybean oil,β-diketone, pentaerythritol and houghite were reviewed.

通过新型低铅、无铅低锡和无铅无锡热稳定剂分别与亚磷酸酯、环氧大豆油、β-二酮、季戊四醇和水滑石进行复配，进行了聚氯乙烯的静态和动态热稳定性实验。

Tin is not oxidized, involatile, and does not react with the common elements in steel, in steelmaking process, hence the yield of tin approxiates to 100%.

在炼钢过程中锡不被氧化、不易挥发、不与钢中的任何常存元素相互作用生成化合物，因此炼钢过程锡的回收率接近100%。

Piston plated by 0.5-3u tin on the surface in chemical way ,the tin layer with little hole has the lubri-cative quality of soft metal .it can absorb more lubricative oil to drop the friction between the piston and cylinder.

在活塞表面用化学方法镀覆05。-3的锡层，多孔的锡层有软金属的良好润滑特性，能吸附较多润滑剂，降低了活塞与气缸音的摩擦功。

Piston plated by 0.5-3u tin on the surface in chemical way ,the tin layer with little hole has the lubri-cative quality of soft metal .it can absorb more lubricative oil to drop the friction between the piston and cylinder.

详细说明：在活塞表面用化学方法镀覆05。-3的锡层，多孔的锡层有软金属的良好润滑特性，能吸附较多润滑剂，降低了活塞与气缸音的摩擦功。

To 2412Ma. but also certificates the multicycle and inheritance of tin mineralization in the region; moreover, it provides an instance for marine exhalative tin mineralization associated with mafic magmatic activity.

此举不仅将我国锡矿成矿时代从800Ma左右推前至2412Ma左右，而且证明了该区锡矿化的多旋回性和继承性，也提出了一个与镁铁质岩浆活动有关的热卤水锡矿化的实例。

Aiming at the disturbing of trace tin and trace germanium in existing simultaneous, using Artificial Neural Networks spectrometry determined simultaneously trace tin and trace germanium in extraction raffinate and stripping raffinate, tested the effect of these two metal separation and extraction.

针对微量锡与微量锗同时存在下相互干扰测定的困难进行研究，利用人工神经网络光度法比较准确的同时测定出萃余水相和反萃取水相中的微量锡与微量锗的含量，验证了两者的分离富集的效果。

Besides the huge cost that involved to redesign and revalidate the material as well as characteristics change, the more challenging parts come in when the process technology need to be revised to cater for higher melting point of lead free (alloy that mixes copper, silver, and tin) processor as compared to normal lead/tin processor manufacturing.

除了巨大的代价，涉及到重新设计和重新的材料以及特征变化，更具挑战性的部分来当工艺需要加以修订，以满足更高的熔点无铅处理器比较正常的铅/锡处理器的生产。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。