丁基

And we also modify the surface of the glass fiber reinforcedunsaturated polyester with the G-02 and G-04. It reacts with the materials surface layer whenthe Composite solidifies. It gets a lower critical surface tension, high contact angle. Theproperty of waterproof and oilproof has improved.

并且利用已有的活性物质(甲基丙烯酸六氟丁酯G-02，甲基丙烯酸十二氟庚酯G-04)处理玻璃纤维增强不饱和聚酯的表面，在基体固化时，实现在材料表层参与固化反应，获得特低临界表面张力、高接触角特性，使处理后的玻璃钢表面具有一定的疏水疏油性能。

Dihydro safrol is mainly used to synthesize piperonyl butoide which is a widely used insecticide synergist.

二氢黄樟油素主要用于合成高效、用途广泛的农药增效剂———胡椒基丁醚。

The lower dosage of commonly used insecticides mixed with Piperonyl Butoxide may have better control efficacy after the resistance of mosquitoes to insecticides was produced.

当淡色库蚊产生抗药性后，采用杀虫剂与氧化胡椒基丁醚混用的方法，可以减少杀虫剂的使用剂量，取得较好防治效果。

Objective The toxicity and synergism of several commonly used insecticides mixed with Piperonyl Butoxide against the larvae of Culex pipiens pallens collected from fields of three regions in Shandong province were determined for controlling vector mosquitoes by scientifically rational use of insecticides as well as delaying and overcome the occurrence and development of resis-tance.

目的 了解常用杀虫剂与增效剂氧化胡椒基丁醚（S 1 ）混用对山东省三个不同地区现场淡色库蚊的毒力及增效作用。

A series of pyridazino[3,2-c]1,2,4-triazoles were synthesized from hydrazides and 3-aryl-6- chloro pyridazine s (3a～3d), which were obtained from substituted benzene and succinic anhydride by Friedel-Crafts reaction, cyclization with hydrazine hydrate, dehydrogenation and chloro-substitution.

以取代苯和丁二酸酐为起始原料，经Friedel-Crafts反应，肼合环，Br2/HOAc氧化脱氢后得到一系列1，6-二氢-3-芳基-6-哒嗪酮(2a～2d)。然后将2a～2d与PCl5在POCl3中回流，得到相应的氯代产物3a～3d，将其与酰肼作用，合环后得到一系列未见报道的哒嗪并[3，2-c]1，2，4-三唑类化合物。所有化合物结构均经元素分析，IR，1HNMR和MS谱得以证实，并对其波谱性质进行了讨论

Result The result showed that cutting survival rate of Sarcococca ruscifolia was 92.7% by cutting in the substrate of quartz sand in summer after the base of the branch with leaves immersing in IBA (1000 mg/L) for 60 s.

结果］野扇花扦插以带叶成熟枝经1000mg/L吲哚丁酸浸蘸插穗基部60s后，于夏季扦插于石英沙中成活率最高，为92.7%。

In the catalytic tranformation of n-butane, Pd modified silicoaluminate molecular sieves were tested for n-butane's isomerization and dehydroismerization.

考察了硅铝分子筛为基质的双功能催化剂催化丁烷异构化的反应性能及催化丁烷一步异构脱氢反应的可能性，发现丁烷到异丁烯的一步转化无法在这一反应体系十有效实现。

In the catalytic tranformation of n-butane, Pd modified silicoaluminate molecular sieves were tested for n-butane's isomerization and dehydroismerization.

考察了硅铝分子筛为基质的双功能催化剂催化丁烷异构化的反应性能及催化丁烷一步异构脱氢反应的可能性，发现丁烷到异丁烯的一步转化无法在这一反应体系中有效实现。

It is found that in the presence of butyl titanate or stannous oxalate as a polycondensation catalyst the carboxyl content is not always on the increase in all high vacuum stage.

发现，钛酸四丁酯或草酸亚锡作为缩聚催化剂时，在整个高真空阶段羧基含量并不是一直增加的。

Constantine VII had promoted the family of Phokas, and Nicephoros became strategos of the Thrakesion theme, and then replaced his father as domestikos of the Scholai.

君士坦丁七世倚重弗卡斯家族，因此尼基弗鲁斯就成了斯拉克森军区的总督将军，然后取代他的父亲巴尔达斯成了常备军总司令。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新