乙烯的

The result showed that two decalescence peak appears in the DSC curve from the composite of wheat straw-EVA. There is a difference of melting point between the composite of wheat straw-EVA and EVA.

结果表明：麦秸与乙烯－醋酸乙烯树脂复合后的人造板DSC曲线中出现了两个吸热峰，其熔点与乙烯－醋酸乙烯树脂的熔点有差别。

It was found that the process of the dimerization of ethene can be divided into three steps: the chemical adsorption of first ethene molecule, the physical adsorption of second ethene molecule and the dimerization reaction.

研究表明，乙烯在分子筛上的二聚反应分三步进行：单个乙烯分子化学吸附→第二个乙烯分子的物理吸附→两乙烯分子二聚反应。

Have a first-class domestic and international cable production and testing equipment, the main products are PTFE insulated wire and cable, FEP insulated wire and cable, PTFE insulated RF cables, UYS series of cross-linked ethylene - tetrafluoroethylene insulation such as wire and cable.

拥有国内外一流的线缆生产及检测设备，主要产品有聚四氟乙烯绝缘电线电缆、聚全氟乙丙烯绝缘电线电缆、聚四氟乙烯绝缘射频电缆、UYS系列交联乙烯-四氟乙烯绝缘电线电缆等。

The efficacy of three formulations to B.germanica was evaluated with a small container and a quadr-cage olfactometer system. Results The linalool deploied with aethylenum-Vac granule and activated alumina granule had obvious repellency to B.germanica, and 97.7% repellency of the former was more effective than the latter.

结果 芳樟醇-乙烯醋酸乙烯酯颗粒剂与活性氧化铝颗粒剂对德国小蠊有明显的驱避性，其中芳樟醇-乙烯醋酸乙烯酯颗粒剂优于后者，驱避性高达97.7%，而芳樟醇。

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So, by the Diels-Alder reaction of tetraphenylcyclopentadienone, acenaphthenecyclone and benzophenanthrenecyclone with the vinyl groups in C gum, three kinds of polymethylvinylsilicone oil with condensed aromatics are synthesized respectively: polymethylvinylsilicone oil with tetraphenylphenyl groups (called C_1 gum for short), polymethylvinylsilicone oil with acenaphthenyl groups (C_2 gum) and polymethylvinylsilicone oil with benzophenanthrene groups (C3 gum).

根据此原则，利用四苯基环戊二烯酮、苊式环戊二烯酮和菲式环戊二烯酮与C胶上的乙烯基进行Diels—Alder反应，分别合成了三种含稠环基团的乙烯基硅油：四苯基苯基乙烯基硅油(C_1胶)，苊式多苯基苯基乙烯基硅油(C_2胶)和菲式多苯基苯基乙烯基硅油(C_3胶)，并根据~1HNMR谱图上不同氢原子的积分面积计算了三种胶中稠环基团和乙烯基的含量。

VDF and TFE seemed to copolymerize in a random way. The growing polymer chain radical -CF2. or-CH2 . is strongly favored over the CH2 end of CH2 = CF2, and the growth of the chain radical-CH2. trended towards CF2=CF2 in the copolymerization of VDF and TFE.

偏氟乙烯和四氟乙烯以无规共聚进行反应，在共聚反应中的链自由基CF2·或CH2·容易增长于CH2=CF2的CH2端，而链自由基CH2·在偏氟乙烯和四氟乙烯共聚反应中的增长倾向于四氟乙烯。

And the ethylene cracking furnaces are the primary equipments of the petrochemical industry, for example, about 65 percent of gross weight of the three olefins (ethylene, propylene and 1,3-butadiene) and the three aromatics (benzene, toluene and dimethylbenzene) is produced by the ethylene equipments.

乙烯绝大部分是由石油烷烃裂解而生产，乙烯裂解炉是乙烯生产中的关键设备，三烯和三苯总量的65%都来自乙烯生产装置。

The kinetic behaviors of ethylene homo- olymerization and ethylene / l-hexene co-polymerization , catalyzed by the metallocene catalyst PS-DVB-MC in an 0.5 L stainless steel reactor , were studied. The effects of polymerization conditions on ethylene polymerization , such as concentration of catalyst , temperature of polymerization , pressure of ethylene , molar ratio of AI / Z r , etc ., were also investigated . Some leading results were as follows : the activity of the catalyst PS–DVB- MC for ethylene homo-polymerization was high ( 1.053 x 107 gPE / mol Zr·h ), but the molar ratio of AI / Zr was low ( 350:1 ); the catalytic ability for ethyleneα-olefin ( such as l hexene etc .) co-olymerization was great , and the corresponding activity come up to a maximum of 1.753 x 107 gPE / mol Zr·h while concenlration of l-hexene was 0.080 mol / L ; the molecular weight of polyethylene was about 180,000 , meanwhile the molecular weight distribution was narrow ( 2.19 ); the bulk density of polyethylene and ethylene / l-hexene co -polymer were 0.25 and 0.34 respectively .

采用0.5L高压不锈钢反应釜，对催化剂PS–DVB-MC催化乙烯均聚和乙烯/ l-己烯共聚合的动力学行为进行了研究，详细考察了催化剂浓度、反应温度、压力、Al/ Zr比、1-己烯浓度等因素对乙烯聚合反应的影响，得到如下主要结论：催化剂PS-DVB-MC具有催化乙烯均聚的高活性(1.053×107g PE / mo1 zr.hr)，低Al / Zr比( 350：1 )；具有良好的催化乙烯与α-烯烃(如1-己烯等)共聚的能力，在1-己烯浓度为0.080 mol / L时，催化活性达到最大(1.783×107 g PE / molZr.hr)；乙烯均聚产物的分子量在18万左右，分子量分布窄( 2.19 )。

The ethylene release rate was measured in shoot tip of different sex ramie in different time, the budof same node in female and hermaphrodite ramie in second crops and different sex singleinflorescence in hermaphrodite ramie. The result indicated there was closed relationship betweensexual different ramie and ethylene release rate. The female ramie could be induced by highethylene release rate. the ethylene content in ramie plant with female flower is higher than ramieplant with androgynary in stem apex, leaf and flower.

5对不同性别苎麻茎尖乙烯释放速率、不同性别苎麻材料不同节位花芽乙烯释放速率、雌雄同株苎麻的雌花序、雄花序和雌雄混合花序的乙烯释放速率进行测定，同时对外施乙烯抑制剂(AVG和AgNO_3)对苎麻性别的控制进行研究，表明苎麻性别分化与内源乙烯密切相关，高水平乙烯释放速率诱导雌株苎麻或雌花的产生。

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。