查询词典 tin

3 Recently, we reported an efficient tin-free version of this reaction involving thiophenol for the preparation of cyclopentane derivatives through a 1,5-hydrogen transfer/cyclization sequence [Eq.(1); AIBN=azobisisobutyronitrile].

最近，我们报道了高效的、不使用锡试剂而使用苯硫酚的反应，这个反应是通过1，5-氢转移/环化步骤制备环戊烷衍生物的[化学反应式(1)；AIBN=偶氮二异丁腈][4]。

Using this system can determinate exactly trace tin and trace germanium simultaneous and eliminated the disturbing of theirs each other.

在该体系下，可以比较准确的测定出同时存在于溶液中的微量锡与微量锗的含量，消除了两者之间的相互干扰。

The instrumental parameters and the conditions of measurement such as the concentration of acid and tin dichloride were investigated in detail.

指出了载气流速、酸浓度和氯化亚锡浓度等因素对检测结果的影响，并对各种影响因素进行优化。

54 2 Have been synthesized by the reaction of di(p-chlorbenzyl)tin dichloride with sodium dithiocarbamate .

利用二二氯化锡和吗啉氨荒酸钠、N， N-二乙基氨荒酸钠反应，合成了二锡双吗啉氨荒酸酯C24H28Cl2N2O2S4Sn Mr = 694。

The weight ratio of catalysis system and ammonium lactate being 0.005-5％, and the magnetism solid acid catalyst and tin dichloride being 20∶1-1∶20; c.

催化体系总的加入量为乳酸铵重量的0.005-5％，磁性固体酸催化剂与二氯化锡的重量比为20∶1-1∶20；c。

The results showed the synergistic effect was the best when epoxidized soybean oil was used as auxiliary heat stabilizer;β-diketone could restrain the early coloring up effectively; when non-lead and non-tin thermal stabilizers were used as main stabilizer, and houghite as auxiliary heat stabilizer, the stability of rigid PVC was improved perfectly, which showed great potentialities in its development.

结果表明：环氧大豆油作为辅助热稳定剂时，与各种主稳定剂的协效作用最好；β-二酮在抑制初期着色方面表现优异；以无铅无锡型为主稳定剂、水滑石为辅助稳定剂时，硬质PVC的热稳定性能有很大提高，因而有着很大的发展潜力。

I'm not going to die in this tin can. I have a date with a dildo.

我不想死在这堆废铁里我和人造阴茎先生有约

The method is characterized in that: mixture of macromolecular dihydric alcohol and a dihydroxybutyl-terminated polydimethylsiloxane is dehydrated, added with diisocyanate for reaction, then added with a bis propionic acid, a dihydric alcohol chain extender and a catalyst - dibutyl tin laurate, and is diluted by acrylic ester; temperature reduction and emulsion are performed on the mixture after reaction; chain extension reaction is performed in water by a multi-amine chain extender, and siloxane modified polyurethane dispersoid which contains acrylic ester monomer is prepared; and an initiator - potassium persulphate is added into the siloxane modified polyurethane dispersoid for emulsion polymerization.

特征是先将大分子二元醇与二端羟丁基聚二甲基硅氧烷的混合液脱水后加入二异氰酸酯，反应后加入二羟甲基丙酸、二元醇扩链剂和催化剂二月桂酸二丁基锡，并用丙烯酸酯进行稀释，反应后降温乳化，用多元胺扩链剂在水中进行扩链反应，得到含有丙烯酸酯单体的硅氧烷改性聚氨酯分散体，然后再通过加入引发剂过硫酸钾进行乳液聚合。

Introduce and compare some common method to build TIN; And then study and experiment on distil...

选择了构建一致性约束Delaunay三角网进行TIN的建模。

He had besides the things before mentioned, twelve marbles, part of a jews-harp, a piece of blue bottle-glass to look through, a spool cannon, a key that wouldn't unlock anything, a fragment of chalk, a glass stopper of a decanter, a tin soldier, a couple of tadpoles, six fire-crackers, a kitten with only one eye, a brass door-knob, a dog-collar-but no dog-the handle of a knife, four pieces of orange-peel, and a dilapidated old window sash.

除了以上提到的那些玩意以外，还有十二颗石头子；一只破口琴；一块可以透视的蓝玻璃片；一门线轴做的大炮；一把什么锁也不开的钥匙；一截粉笔；一个大酒瓶塞子；一个锡皮做的小兵；一对蝌蚪；六个鞭炮；一只独眼小猫；一个门上的铜把手；一根拴狗的颈圈——却没有狗——一个刀把；四片桔子皮；还有一个破旧的窗框。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。