乙烯

This thesis studied the photocuring of vinyl ether /maleate systems. It consists of four parts.

本论文对一系列不同组分的乙烯基醚/马来酸酯光固化体系进行了研究。

This thesis studied the photocuring of vinyl ether /maleate systems.

本论文对一系列不同组分的乙烯基醚/马来酸酯光固化体系进行了研究。

Mixed up in the melee were pastel-colored marabou feathers—Galliano's homage to England's Queen Mother—18th-century hoopskirts and deliberately sleazy vinyl (just to add a contradictory jolt of modernity).

混合起来，在混战被粉彩色marabou羽毛-加里亚诺的祭奠英格兰的王母-十八世纪hoopskirts和故意sleazy乙烯基（只添加一个矛盾，动荡的现代性）。

Polytetrafluoroethylene bonded carbon-based oxygen electrode are widely used in many important electrochemical technologies, such as fuel cells, matal/air batteries, organic electrosynthetic processes and electrochemical devices for decontamination of wastewaters.

聚四氟乙烯粘结的碳基氧电极广泛地应用在燃料电池、金属/空气电池、有机电合成及电化学废。。。

Therefore, the basis of these, Tangshan Bay will focus on the development of millions-ton oil refining project, large-scale petrochemical ethylene megaton integration and complementary projects.

所以，根据这些，唐山湾将重点发展千万吨级炼油项目、百万吨级乙烯大型炼化一体化及配套工程项目。

This invention provides compounds of Formula; wherein: R is a moiety selected from the group: and n is an integer of 1 or 2; R is selected from hydrogen, amino,-NRR, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, alkynyl of 2 to 12 carbon atoms optionally substituted, halogen, and a 5 to 10 membered heteroaryl ring optionally substituted, having 1 to 4 heteroatoms independently selected from N, O and S; R is selected from hydrogen, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, vinyl, alkynyl of 2 to 12 carbon atoms optionally substituted and halogen; R is H, alkyl of 1 to 12 carbon atoms optionally substituted, cycloalkyl of 3 to 8 carbon atoms, bicycloalkyl of 5 to 10 carbon atoms or aralkyl optionally substituted; R is OH or -OH; R and R are each independently H or alkyl of 1 to 12 carbon atoms or when optionally taken together with the nitrogen atom to which each is attached form a 3 to 8 membered saturated heterocyclyl ring; R is alkyl of 1 to 12 carbon atoms optionally substituted; or a tautomer or pharmaceutically acceptable salts thereof.

本发明提供式的化合物；其中：R 1 为选自基团和的部分；n为整数1或2；R 2 选自氢、氨基、-NR 6 R 7 、具有1到12个碳原子的视情况经取代的烷基、具有6个、10个或14个碳原子的视情况经取代的芳基、具有2到12个碳原子的视情况经取代的烯基、具有2到12个碳原子的视情况经取代的炔基、卤素和具有1到4个独立地选自N、O和S的杂原子的视情况经取代的5元到10元杂芳基环；R 3 选自氢、具有1到12个碳原子的视情况经取代的烷基、具有6个、10个或14个碳原子的视情况经取代的芳基、具有2到12个碳原子的视情况经取代的烯基、乙烯基、具有2到12个碳原子的视情况经取代的炔基和卤素；R 4 为H、具有1到12个碳原子的视情况经取代的烷基、具有3到8个碳原子的环烷基、具有5到10个碳原子的双环烷基或视情况经取代的芳烷基；R 5 为OH或-OH 8 ；R 6 和R 7 各自独立地为H或具有1到12个碳原子的烷基，或当视情况与其所连接的氮原子连接在一起时形成3元到8元饱和杂环基环；R 8 为具有1到12个碳原子的视情况经取代的烷基；或其互变异构体或医药学上可接受的盐。

As a kind of novel photochromic material, diarylethenes have been under widely research due to excellent thermal stability, good fatigue-resistance, fast response, and high conversion degree. Their latent applications are of memory, molecular switch, multi-color display, and light-driven molecular motors.

作为新型的光致变色材料，二芳乙烯化合物由于其良好的热稳定性、优良的耐疲劳性能、较快的响应速度及高的光转化率，近年来已成为有机光致变色研究的热点，其应用主要集中在光信息存储、分子开关、多彩色显色器、光驱动分子机器等。

Uses: Suitable for gas adsorption, the decolorization and refining of catalyst carriers and monosodium glutamate, citric acid and oil; used in catalyst of phosgene synthesis; as catalyst carrier for high mercury chloride, vinyl acetate synthesis, etc.

用途： 适用于气相吸附，催化剂载体和味精、柠檬酸、油类的脱色、精制以及光气合成用的触媒、氯化高汞、醋酸乙烯等合成工艺的触媒载体。

In this paper, the studies on the preparation of high pure mesitylene usingMTBE tail gas are made in both experimental and theoretical, different factorsaffecting the alkylation reaction to produce mesitylene by MTBE tail gas areinvestigated, the optimal condition of reaction is defined and the alkylationreaction kinetics of different components are studied, moreover, the comparisonbetween C4 raffinate oil and isobutene used for alkylation agent is made too.

本文对MTBE尾气烷基化法制备高纯度均三甲苯过程进行了实验研究和理论分析，确定了不同因素对烷基化反应的影响，得到了MTBE尾气制备均三甲苯的最佳反应条件，并对不同组分的烷基化反应动力学进行了研究。此外，对乙烯C4抽余油和异丁烯做为烷化剂的实验结果进行了分析和比较。

It provides a route tothe compounds which contains three functional groups, two carbon-nitrogentriple bonds and one carbon-carbon double bond. In water, metallic indiumpromotes carbon-sulfur bond coupling reaction of aromatic sulfonyl chloride withsuitable organic halides to afford sulfones. In the last chapter, metallic tin mediated allylation of aldimines with allylbromide was revealed.

第三章，我们研究了在水相介质中金属铟促进的烯丙基溴对1，1-二氰基-2-芳基乙烯的Michael加成反应，生成一个含碳碳双键和二个碳氮叁键的三官能团化合物，另外，金属铟在水介质中还可以促进芳基磺酰氯与卤代烃发生碳硫键的偶联，生成砜。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。