环乙烯

The experimental results showed that it was feasible to use vinyl ether as reactive monomer in the epoxy acrylate system.

实验结果表明，乙烯基醚作为活性单体用在环氧丙烯酸酯光固化体系中是可行的。

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。

The main points of thedissertations are summarized as follows:1、Synthesis of TAP-BTE zinc complex with photochromic property and its application in non-destructive readoutA photochromic 1,2-bisthienylethenes substituted tetraazaporphyrinato zinc complex, 2,3,7,8,12,13,17,18-octakis(2\',4\',5\'-trimethyl-3\'-thienyl)tetraazaporphyrizine zinc,was synthesized by "one-pot" reaction,and was characterized by spectroscopic methods as well as the elemental analysis.

本论文的研究目的在于如何将二噻吩乙烯基团连接到卟啉、酞菁等大环分子上面，这一方面有利于光致变色性能的提升，另一方面也使得基于大环分子π-π作用的分子自组装成为可能。

It has shown that the tensile index and ring crush index of handsheets were increased by 15.90% and 9.65%, when phenol-formaldehyde resin modified by diethylene triamine was used in OCC pulp alone (the dosage of resin was 1.0%), and then adding cationic starch to pulp (the dosage of starch was 1.0%), the tensile index and ring crush index of handsheets were increased by 32.81% and 29.29%.

实验结果表明，二乙烯三胺改性的酚醛树脂单独作用于OCC废纸浆时(用量为1.0%)，抗张指数和环压指数分别增加了15.90%和9.65%，当加入阳离子淀粉时(用量为1.0%)，抗张指数和环压指数分别增加了32.81%和29.29%。

Secondly, the energy levels of every layer in a designed device have to be matched each other.Quantum chemical calculations were carried out in order to investigate the photoelectric performance of our target molecules. According to the results of our quantum chemical calculations, the HOMOs are usually distributed along the thiophene-perfluorocyclopentene-thiophene skeleton of diarylethene molecule in both of the open-ring state and closed-ring state.

实验表明，在阻挡层式光控载流子开关器件的设计中，要实现完全意义上的ON-OFF全开关，必须满足两个条件：一是作为光控载流子开关层的二芳基乙烯材料，必须具备足够大的开环态和闭环态之间的HOMO能级差异，在一种状态下有利于载流子的传输，在另一种状态下则可以顺利地阻挡载流子的传输；二是器件的各材料层之间的能级一定要互相匹配。

Wheares under buffer pH5.2, there is no strong static electricity and instead being a longer wavelength movement; SDS\'s participation just restricts the relative movement of heme\'s ethylene; a new fluorescent peak forms and the reduction of enzymatic activity is due to the packing of micella\'s formation.

强变性的阴离子表活剂SDS与带净正电荷和弱负电荷的SBP(处于pH2.6和4.2缓冲液中)有强烈的静电力作用，酶活力丧失，二级结构变化，荧光强度增加，特征Soret发生蓝移，卟啉环的π-π*共轭的分裂能增大；而当SBP带净负电荷(pH5.2)时，没有静电吸引力，Soret带发生红移；SDS的引入只是限制了血红素上乙烯取代基的运动，使其与卟啉环共轭：极性环境的变化导致产生新的荧光峰；酶活力因胶团包裹作用而有下降。

Ethane＞ toluene＞1, 3, 5-trimethylbenzene＞methyl isobutyl ketone＞1, 4-Dioxane＞isoprene＞ 1, 2, 4-trimethylbenzene＞cyclohexane＞1, 3-Butadiene＞methyl butyl ketone were the most reactive VOC species in PRD.

化学活性排名前十位的化合物为：乙烯＞甲苯＞1，3，5-三甲苯＞甲基异丁基酮＞1，4-环氧乙烷＞异戊二烯＞1，2，4-三甲苯＞环己烷＞1，3-丁二烯＞甲基丁基酮。

Can be topcoated with epoxy, phenolics, epoxy coal-tars, vinyls, polyurethanes, chlorinated rubber, acrylics, or other as recommended.

可以复涂以环氧、酚醛、环氧煤焦油、乙烯基、聚氨酯、氯化橡胶、丙烯酸，以及其他推荐配套涂层。

Can be topcoated with epoxies, polyurethanes, epoxy coal tars, vinyls, chlorinated rubbers, acrylics or others as recommended.

可以复涂以环氧、聚氨酯、环氧煤焦油、乙烯基、氯化橡胶、丙烯酸或其他推荐的常用类型面漆。

To the preparation of the side chain, we exploit Sharpless Asymmetric Epoxidation, Grignard reagent epoxide opening and selective hydroboration reaction as key steps.

在探索制备手性六元环的过程中，发展了一种高效制备手性砌块49的方法，并利用乙烯基格氏试剂对49的不对称Michael加成制备了手性六元环56。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。