烯化

Rheology modification of an ethylene/alpha-olefin interpolymer is achieved by blending the interpolymer with at least one branched polyolefm.

乙烯/α-烯烃共聚体的流变性改性是通过使此共聚体与至少一个支化的聚烯烃掺合而达成。

In order to produce environment-friendly new formulated gasoline to meet stricter requirement of environmental protection and to supply the data for the development of β zeolite catalyst and the design of reactor,the macrokinetics of TAME liquid-phase synthesis catalyzed by β zeolite was studied,where isoamylene was etherified with methanol.

为了生产有利于环境友好的新配方汽油，以适应环境保护的更高要求，为β沸石分子筛催化剂的开发和反应器的设计提供数据，对异戊烯和甲醇在β沸石分子筛催化剂作用下合成TAME液相醚化反应的宏观动力学进行了研究。

The etherification reaction of methanol and isoamylene was investigated in an internal recycle gradientless reaction with an ion exchange resin (NKC-9) as catalyst.

采用国产大孔磺酸树脂(NKC-9)，在无梯度反应器内对异戊烯与甲醇醚化反应进行了研究。

A mild and convenient method for the synthesis of 4(3)-substituted 3(4)-nitro-1H-pyrroles and 3-substituted 4-methyl-2-tosyl-1H-pyrroles from nitroolefins and tosylmethyl isocyanide in ionic liquid 1-butyl-3- methylimidazolium bromide was developed.

本文以离子液体－溴化1-丁基-3-甲基咪唑为溶剂，采用对甲苯磺酰基甲基异腈与硝基烯反应生成4(3)-取代-3(4)-硝基-1-氢吡咯或3-取代-4-甲基-2-对甲苯磺酰基-1-氢吡咯。

Starting with commercial available tosylmethyl isocyanide and but-2-enoic methyl ester, pyrrolo[2,1-f][1,2,4]triazine derivatives was prepared by twelve-steps process in total yiled of 5.0%~8% via pyrrole and pyrrolo [2,1-f] [1,2,4] triazine ring formation, substitution and amination reactions etc.

本文以简单的对甲基苯磺酰甲基乙腈和反-2-丁烯酸为原料，经过形成吡咯，吡咯并[2，1-f][1，2，4] 三嗪环，取代，酰胺化等等12步反应，合成了结构新颖的吡咯并[2，1-f][1，2，4] 三嗪衍生物，总收率达5%～8%。

Vinyl acetate was copolymerized with triallyl isocyanurate which was then saponified, activated, and DNA was immobilized on to the adsorbent.

本文以异氰尿酸三烯丙酯 TAIC为交联剂，醋酸乙烯酯为单体合成的共聚物，经皂化和活化后，固载上DNA，即得含DNA配体的VT吸附剂。

The diastereo-selective lactones 57～58 was obtained by the polyfluoroalkyl -lactonization of S--2-methyl-4-pentenoic acid under the reaction conditions mentioned above.

以S--2-甲基-4-戊烯酸进行上述内酯化反应，可得到具有立体选择性的产物57a，57b，58a，58b。

We ever reported cellulose is in propyl of Xi of ionic liquid 1-- chloric salt of Zun of 3- methylic Mi (the homogeneous phase acetyl in Am ImC L) converts reaction, falling without activator condition, one pace gets the CA of different DS, get acetone but the CDA[12] of dissolve.

我们曾报道了纤维素在离子液体1-烯丙基-3-甲基咪唑氯盐中的均相乙酰化反应，在无催化剂条件下，一步得到不同DS的CA，并得到丙酮可溶的CDA[12]。

Diverse products including monocyclic, tricyclic, and different tetracyclic products were isolated from the S.

为了更进一步的了解在不同的氨基酸改变下对於氧化鲨烯环化酵素酪氨酸-510所造成突变效应，我们继而利用&定点饱和突变&的方式来进行探讨。

Besides, the Tyr710Arg mutant produced two monocyclic products, achilleol A and camelliol C, and only the Tyr710Pro mutant lost the cyclase activity.

此外，在Tyr710Arg的突变株中也产生了两个单环的产物， achilleol A和camelliol C。而所有突变点中只有Tyr710Pro使氧化鲨烯环化酵素失去活性，且没有任何产物产生。

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