乙烯的

The energy consumption of processing the polytetrafluoroethylene film by the said device is lower than the traditional processing device.

利用本发明所述的设备加工聚四氟乙烯薄膜的能耗低于传统的加工设备，并可加工多层聚四氟乙烯薄膜，层间粘结好，不容易分层，适用面广，生产效率高。

Femal rats were ovariectomized to build the model of osteoporosis, and then treated with Chinese drugs and stilbestrol respectively for 3 months. The results showed that both Chinese drugs and stilbestrol prevented the BMD, RBS and BTV from further declining in osteoporotic rats; but could not raise the BMD, RBS and BTV that had declined.

用卵巢切除的方法建立大鼠骨质疏松模型，然后对模型分别给乙烯雌酚或中药治疗3个月后发现，乙烯雌酚或中药治疗可以阻止股骨密度，抗弯强度和胫骨骨小梁体积的下降，但两种药物均不能使已经下降的股骨密度、抗弯强度和胫骨骨小梁体积升高。

OBJECTIVE: To observe the therapeutic efficacy of the new type of membrane plasma separator Evacure-4A prepared by ethylene vinyl alcohol copolymer on severe hepatitis patients, in addition, to compare the results versus that of PS-06 membrane plasma separator.

目的：观察由乙烯、乙烯醇共聚物制备的新型膜型血浆分离器Evacure-4A(EC-4A)治疗重型肝炎的临床疗效，并与由聚乙烯磺基制备的PS-06膜型血浆分离器进行对比分析。

But this is only a guess, there haven't been epidemiological or animal study on this aspect at home and abroad by now. So we design the assay to study whether ethephon can effect physiological and behavior development of rat in adolescency, and to discuss the corresponding mechanisms.

因此，我们设计这次动物试验，初步研究乙烯利能否对青春期大鼠的生理、行为发育产生影响，并探讨其作用的相关机制，从而为进一步研究乙烯利对青少年生长发育的影响及其环境危险度评价提供初步实验依据。

Bis vinyl phenyl terminated polydimethylsiloxane was synthesized by the hydrosilylation of bis dimethylhydrogen siloxyl terminated PDMS with m divinyl benzene. The structure of the VTPDMS was characterized by 1H NMR.

通过双二甲基氢硅氧封端的聚二甲基硅氧烷与间二乙烯基苯的硅氢加成反应制备了双乙烯基苯封端的聚二甲基硅氧烷，用1H NMR对其结构进行了表征。

Three novel hemicyanine derivatives,-N-(4-sulfopropyl)-4-[2-(4- N, N-diethylaminophenyl)-ethenyl]pyridinium,-N-(4-suMbbutyl)- 4-[2-(4-N, N-diethylaminophenyl)ethenyl]pyridinium (EPS4), and-N-(4- su)fobutyl-4-[2-(4-N, N-diethylaminophenyl)ethenyl]quinolinium (EQS4) with different length of alkyl chains between the adsorbing group (RSO3-) and the chromophore group, were synthesized and their photophysical and photoelectrochemical properties were studied.

设计合成了具有不同空间位阻的吡啶盐类和喹啉盐类半菁染料-N-(4—磺酸根丙基)-4-[2-4（4-N，N-二乙基氨基苯基）乙烯基]吡啶鎓盐，-N-4-磺酸根丁基）-4-[2-(4-N，N-二乙氨基苯基）乙烯基]吡啶鎓盐（EPS4）和-N-（4-磺酸根丁基）-4-2-（4-N，N-二乙基氨基苯基）喹啉鎓盐（EQS4），研究了它们的光物理性质，并将它们用作TiO2纳米晶电极的光敏化剂引入光电化学电池中。

The present invention relates to an ethylene/alpha-olefin interpolymer product comprising at least one alpha-olefin interpolymerized with ethylene and, characterized in at least one aspect, as having improved properties when utilized in a hot melt adhesive formulation.

本发明涉及包括至少一种与乙烯互聚的α-烯烃的乙烯/α-烯烃共聚体产物，其特征为在至少一方面，当用于热熔粘合剂配制剂时具有改进的性能。

Four hemicyanine derivatives,-N-(4-sulfobutyl)-4-[2-(4-N,N-dimethylamino-phenyl) etheny1] pyridinium (P1),-N-(4-sulfobutyl)-4-[2-(4-N,N-dimethylaminophenyl)-1,3-buteny1] pyridinium (P2),-N-(4-sulfobutyl)-4-2-(4-N,N-dimethylaminophenyl) ethenyll quinolinium (Q1) and-N-(4-sulfobutyl)-4-

合成了具有不同共轭链长度的吡啶盐类及喹啉盐类半菁染料-N-（4-磺酸丁基）-4-[2-4-N，N-二甲基氨基苯基）乙烯基]吡啶鎓盐(P1、-N-（4-磺酸丁基）-4-[2-4-N，N-二甲基氨基苯基）丁二烯基]吡啶鎓盐(P2、-N-（4-磺酸丁基）-4-[2-(4-N，N-二甲基氨基苯基)乙烯基]哇琳鎓盐(Q1)以及-N-（4-磺酸丁基）-4-[2-4-N，N-二甲基氨基苯基丁二烯基]喹啉鎓盐(Q2)。研究了它们的光物理性质，并将它们用作TiO2纳米晶电极的光敏化剂引入光电化学电池。

In this dissertation, preparation of polysubstituted ethene and heterocyclic compounds based on 2-hydroxyalkyl phenyl selenides andα-phenylselenopropionic acid reagents were further investigated as follow: Firstly, O-ethyl-O-vinyl phosphonates were prepared in a one-pot, two-step transformation by Mitsunobu reaction of 2-hydroxyalkyl phenyl selenides with monoethyl esters of phosphonic acid in the presence of diethyl azodicarboxylate and triphenyl phosphine (PPh3) followed by oxidation-eliminatio...

中文摘要：本文主要进一步探索了2-羟基烷基苯基硒醚、α-苯硒基丙酸试剂在制备多取代乙烯和杂环化合物反应中的应用，具体研究内容和结果如下：一、在偶氮二羧酸乙酯和三苯膦(PPh3)存在下，苯基-2-羟基烷基硒醚和O-乙基膦酸单酯发生Mitsunobu反应，无需分离和纯化反应中间体，直接使用30 %的双氧水进行氧化-消除反应，提供了&两步、一锅&合成O-乙基-O-乙烯基膦酸酯的新方法，该方法反应条件温和，操作简便，产物收率良好(76-82 %)。

The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

本文用重氮树脂为光敏剂，用聚乙烯醇和聚醋酸乙烯酯为成膜剂制作了感光性树脂，研究了聚醋酸乙烯酯对提高感光性树脂的耐水性的作用以及其对体系感度的影响。

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。