苯亚甲基

The kinds of compounds with AIE, AIEE and CIEE are summarized, mainly including siloles, substituted ethenes (mainly including fulvene and DPDSB style), CN-MBE, pyran, biphenyl compounds and polymers.

侧重总结了silole型、取代乙烯型（主要包括亚甲基环戊二烯型和DPDSB型）、腈取代二苯乙烯型、吡喃型、联苯型等小分子化合物和少数高分子的结构与AIE性质之间的关系，以及为解释AIE现象所提出的限制分子内的转动、避免非辐射去活、构象扭曲避免形成excimer、J－聚集态以及形成分子间的C-H/π键等理论。

909 And 5,654,304 disclose a series of 10,11-methanobenzosuberane derivatives useful in enhancing the efficacy of existing cancer chemotherapeutics and for treating multidrug resistance.

美国专利第5，643，909号和第5，654，304号公开了一系列10，11-亚甲基苯并环庚烷衍生物，其可用于增强现有癌症化疗法的效能并用于治疗多药耐药性。

Fumed-silica surfaces were modified with resorcinol and hexamethylenetetramine complex, and NR/M-silica nanocomposites were prepared in mixing and curing process. Structure and properties of NR/M-silica nanocomposites were investigated by mechanical testing ,cross-linking density determination, transmission electron microscopy, differential scanning calorimetry, fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The results showed that M-silica have obvious reinforcement effect on NR vulcanizate.

用间苯二酚与六亚甲基四胺络合物对气相法白炭黑进行表面改性，通过混炼和硫化制备了天然橡胶/改性气相法白炭黑（NR/M-silica）纳米复合材料，并通过力学性能测试、交联密度测定、透射电镜、差示扫描量热法、红外光谱和X射线光电子能谱等手段研究了纳米复合材料的结构和性能。

In addition, the oxidation of the side chain on alkybenzene is a promising route to get ketone product.

此外，乙苯及其衍生物的侧链亚甲基氧化制备芳酮的反应也具有很广阔的应用前景。

In this paper, the effects of processing and heat treatment of terephthalate/polyte-traoxymethylene block copolymer on their dynamic mechanical temperature spectra were studied.

本文首先研究了成型方法和热处理对聚对苯二甲酸乙二酯与聚氧四亚甲基嵌段共聚物动态力学温度谱的影响，结合应力-应变曲线讨论了微相分离与力学性能的关系。

Arsonium ylide ; crystal structure ; dimethyl 2-benzoymethylene-3-triphenylarsylene-succinate

胂叶立德；晶体结构； 2-苯甲酰亚甲基-3-三苯胂叉琥珀酸二甲酯

The polyetherurethane was synthesized by one-step method for cosmetic applications by coupling poly(PTMG,Mn=2000) and poly(PEO,Mn=2000) with 4,4'-diphenylmethane diisocyanate.

聚醚型聚氨酯用于化妆品中，由聚四亚甲基醚二醇和聚环氧乙烷与4，4-二苯甲烷二异氰酸酯采用一步法合成，结果表明PEU暴露在60℃酒精/水(80/20，体积比)溶液中放置4周后发生降解，PEU发生变质，其相对分子质量、粘度和机械性能都发生改变。

When 45% methanol solution containing 0.5 mmol/L hexamethylene tetraamine was used as the pump carrier, the pump flow rate and output pressure achieved 0.58 mL/min and 0.79 MPa at 4950 V, respectively. By using the pump carrier as the mobile phase, benzene and naphthanlene were separated on baseline by the EFA system.

在4950 V的外加电压下，以含0.5 mmol/L六亚甲基四胺的45%甲醇溶液为泵载流，电渗泵的流量和输出压强分别为0.58 mL/min和0.79 MPa，以泵载流为流动相，该系统对苯和萘进行了反相色谱分离。

The alkylation of a-methylene of PhSO2CH2COPh with alkyl halides catalyzed by quaternary ammonium base resin in 50% aqueous sodium hydroxide solution was investigated.

本文以季铵碱树脂作为聚合物固载的相转移催化剂，在50%氢氧化钠水溶液中催化α-苯磺酰基苯乙酮(1)的α-亚甲基的烷基化反应。

The results showed that the resin formed at pH=14 contains a large amount of active hydroxymethyl groups with the phenyl groups linked by both ether linkages and methylene bridges.

在 p H=8下合成的树脂分子中虽存在大量活性羟甲基但苯环间基本上以亚甲基桥相连，其树脂砂抗拉强度较低。

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。