乙烯的

The effect of polyamines on callus browning and synthesis of endogenous polyamines and enthene during the development of callus,which initiated from mature embryo of Buchloe dactyloides texoka,was studied.

以野牛草成熟胚诱导的愈伤组织为材料，研究了外源多胺对愈伤组织褐化的影响及愈伤组织不同生长时期内源多胺和乙烯合成代谢规律。

The regulation effects of 6 benzylaminopurine (BA, 0.05g/L) and ethyrel (ETH, 0.5g/L) on export of carbo assimilates from wheat leaf and its partition in the whole plant were studied using 14 CO 2 labeling method.

在盆栽条件下，采用活体测量和定期取样测定的方法，研究了6苄氨基嘌呤和乙烯利处理对小麦幼苗第1茎生叶14C同化物输出动态和向各器官中分配的影响。

A two-step method of causticization and precipitation technology was used to revive spent caustic of ethylene cracking, and various conditions which affect regeneration efficiency of the reaction were studied.

采用苛化及化学沉淀两步工艺对乙烯裂解废碱液的再生进行了研究，考察了影响再生效果的各种条件因素。

With cerous ammonium nitric-ethylene diamine tetraacetic acid as an initiator, and with the protection of the nitrogen the graft-copolymerization of methylacrylic acid and vinyl acetate on chitosan grafting was studied.

以硝酸铈铵－乙二胺四乙酸为引发剂，在N2气的保护下，研究了壳聚糖与甲基丙烯酸和醋酸乙烯酯两种单体的接技共聚反应。

Softened monomer is adopted to copolymerize with VC to overcome deficiencies of blending modification,and it has gradually become important pathways and hotspot of toughening modification of PVC.

采用软单体与氯乙烯共聚可以克服共混改性的不足，已成为PVC增韧改性的重要途径和研究热点。

I report on corporate efforts to manufacture uncertainty about asbestos, lead, vinyl chloride, diacetyl, and a host of other chemicals.

报告对公司的努力，制造的不确定性，石棉，铅，氯乙烯，双乙酰，以及一系列其他化学品。

An anionic phenol-formaldehyde resin which synthesized by phenol, formaldehyde and some amine compound such as diethylamine, triethylamine and diethylene triamine was studied in this paper, and this modified phenol-formaldehyde resin was used in papermaking as an intensifier.

本文通过苯酚、甲醛与胺类化合物(二乙胺、三乙胺、二乙烯三胺)反应，得到阴离子性的酚醛树脂，并研究了将改性的酚醛树脂作为造纸增强剂应用在抄纸过程中。

The polymerization reacts from the inverse emulsion . Selecting white oil as continuous medium , Span60 and TX-10 as the complex emulsifier , AM-01﹑(NH4)2S2O4 and NaHSO3 as new-type complex initiator , the copolymerization of dimethylamino ethyl acrylate methyl chloride/acrylamide was developed . The effects of the concentration of monomer﹑emulsifier and initiator﹑ temperature﹑reaction time and pH on the molecular weight﹑intrinsic viscostity﹑conversion ratio and cation degree of copolymer were studied .

以反相乳液为初始聚合体系，油酸失水山梨醇酯Span60和辛基酚聚氧乙烯醚TX-10构成复配乳化剂，白油为连续介质，AM-01、过硫酸铵和亚硫酸氢钠组成新型复合引发体系，进行丙烯酰胺/（2-甲基丙烯酰氧乙基）三甲基氯化铵的反相准微乳液共聚合，研究了单体浓度、乳化剂、反应温度、反应时间、pH等因素对聚合产品分子量、特性粘数、转化率及阳离子度的影响。

A kind of modified casting polyurethane by styrene and divinyl benzene with good adhesion with ethylene-propylene-diene monomerhas been prepared by one-step process, which can be cured at the room temperature.

采用苯乙烯、二乙烯基苯对聚氨酯进行了改性研究，利用一步法工艺，制备了与三元乙丙橡胶具有优良粘接性能的双组分室温固化的改性浇注胶。

In this thesis, themethod of moments was used in modeling the graft polymerization of vinyl acetatefrom polyethylene glycol and the vinyl/divinyl atom transfer radical copolymerizationwith cross-linking.

本文运用矩方法分别对聚乙二醇接枝醋酸乙烯酯聚合体系和双烯／单烯的原子转移自由基交联聚合体系进行了深入的建模研究。

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。