异丙苯基

The catalyst includes: supported Ziegler-Natta catalyst of titanium halide compound and organic electron donor compound supported with MgCl2 alcoholate carrier; aluminoxane prepared with trialkyl aluminum and water; and one kind of organic electron donor, such as organosilicon compound R2Si(OCH3)2, where R is phenyl, isopropyl, isobutyl or cyclopentyl.

该催化剂包括，a一种负载型的Ziegler-Natta催化剂，即将卤钛化合物和有机给电子体化合物负载在氯化镁醇合物载体上得到的固体催化剂，b一种通过三烷基铝与水反应而制备得到的铝氧烷和c一种有机电子给体，如有机硅化合物R 2 Si(OCH 3 ) 2 ，其中R为苯基、异丙基、异丁基或环戊基。

The course of reaction was monitored by estimating the amount of isopropanol liberated in benzene-isopropanol azeotrope in each case.

合成是在苯溶液中采用了金属/非金属的异丙氧基化合物和N-(2-甲基)苯基甘氨酸按1：1和1：2的配比完成的。

Chromatographic behaviors of six cationic thulium porphyrin complexes have been firstly investigated in different mobile phase.

2首次以六个不同的铥卟啉配合物（四（4-羟基苯基）卟啉铥、四（4-甲氧基苯基）卟啉铥、四苯基卟啉铥、四（4-甲基苯基）卟啉铥、四（4-氯苯基）卟啉铥和四（4-异丙基苯基）卟啉铥）为研究对象进行HPLC分离。

Fourteen new pyrethroids containing isoxazole were designed and synthesized from 4-isopropyl-3-substituted phenyl-5-hydroxyl isoxazoles as major material, whose structures were also characterized by IR, 1H NMR and elemental analysis.

以4-异丙基-3-取代苯基-5-羟基异噁唑和3-苯氧基苄基溴为原料，三乙胺为缚酸剂，设计并合成了14个未见报道的4-异丙基-3-取代苯基-5-异噁唑基-(3'-苯氧基)苄基醚。通过红外光谱、核磁共振、元素分析等手段，确证了它们的化学结构。

The copolymer of N isopropylacrylamide and acrylamido azobenzene was synthesized for the study of the effect of the photoisomerization of a water soluble copolymer containing azobenzene groups on the photocontrolled release behavior of liposomes.

为了研究侧链含有偶氮苯基的水溶性共聚物的光异构化对脂质体内包容物的光控释放的影响，设计合成了N－异丙基丙烯酰胺和丙烯酰胺基偶氮苯的共聚物。

A new corrosion inhibitor and Universal antibacterial reagent, namely, the copolymer of N-isopro-pylacrylamide and N-allyl-1-benzoyl-3-phenyl-4,5-dihydro-4-formamido pyrazole was prepared.

合成了一种新的腐蚀抑制及广谱抑菌剂：N-异丙基丙烯酰胺与N-烯丙基-1-苯甲酰基-3-苯基-4，5-2H-4甲酰胺基吡唑的共聚物PNIPAM-Co-PBPCP。

This step is irreversible.(3) Phenyl isopropyl ether is very difficult to oxidize in dark, exhibiting different behavior from isopropyl ether and benzyl isopropyl ether.

3发现苯基异丙醚难以进行暗氧化，与异丙醚和苄基异丙醚醚表现出不同的暗氧化行为。

Benzyl isopropyl ether also forms CCT complex with oxygen on the benzene ring like phenyl isopropyl ether, but it is easy to oxidize since charge transfer and 〓 transfer may occur at the methylene group adjacent to the benzene ring, which result in the oxidation of the methylene group.(4) The 〓-CCT complex and the initial dark oxidation mechanism of poly were studied.

虽然苄基异丙醚也以苯环与O〓形成CCT复合物，但它却容易发生暗氧化，这是由于与苯基相连的是亚甲基，此时电荷转移发生在苯环与亚甲基之间，引起亚甲基的氧化，而不是异丙基的氧化。

It was confirmed that the 〓-CCT of phenyl isopropyl ether is formed on the benzene ring rather thanon the etheroxy bond. The 〓-CCT complex is not strong enough to induce charge transfer and converts to CTC because the isopropyl group is separated from the benzene ring by oxygen atom. As a result,〓 can not transfer from isopropyl to form radical in cage. Therefore phenyl isopropyl ether is difficult to undergo dark oxidation.

这是由于苯基异丙醚和异丙醚形成O〓-CCT的部位不同，苯基异丙醚的O〓-CCT形成在苯环上，与异丙基相隔一个氧原子，不足以诱发异丙基电荷转移而转化为CTC，也就不能有氢质子转移和笼式自由基的形成，因此难于发生暗氧化反应。

Objective:Triisopropylated phenyl phosphate ester was synthesized from isopropylphenol and phosphorus oxychloride.

目的 用三异丙基苯酚和三氯氧磷为原料合成三异丙苯基磷酸酯。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。