乙烯

Starting from 3-benzoyl-5-formyl-indolizine, 3-benzoyl-5-(2'2'-diacetylethenyl)-indolizines and analogs were obtained by the 〓mediated aldol condensation or Wittig reaction. These compounds,promoted by low-valent titanium, gave highly functionlizedcycl[3,2,2]azine derivatives. The coupling reaction proceeded betweenthe carbonyl group and the carbon-carbon double bond, a rare example inMcMurry reaction.

我们以3-苯甲酰基-5-甲酰基中氮茚为原料，通过三碘化钐促进的aldol反应和Wittig反应制备了3-羰基-5-羰基乙烯基中氮茚，随后经低价钛还原偶联，没有生成正常的分子内羰基-羰基偶联产物，而是得到反常的羰基与α，β-不饱羰基的双键偶联产物，较高收率地得到了含多官能团的CycI[3，2，2]azine衍生物。

It also analyzed the effect of temperature on respriation ,protein ,the rate of lost weight ,ethylene ,and protect enzyme of balsam pear in the course of storing and discussed the connection and mechanism function between them and belt .

还以温度单因素分析其对贮藏中苦瓜果实的呼吸强度、蛋白质、失水率、乙烯、丙二醛及保护酶的影响，并探讨了它们与苦瓜成熟衰老的关系及作用机理。

Benda Plastic Manufacturer of Nanhai,Foshan City,Guangdong Province,established in 1990 and later moved to Nanhai district,is a large enterprise specializhing in manfacture of plastic tubes,rods,ball valves and pipings,Our main end products include PTFE,PVC,PP,PE,Nylon and ABS tubes,valves and pipings and rods in more than 1000 types.

广东省佛山市南海奔达塑胶制品厂，创办于1990年（即原佛山市奔达塑胶有限公司，现迁往南海区）是一家专业生产塑胶管、棒材、阀门、管件的大型企业。主要产品材料有聚四氟乙烯、聚氯乙烯、聚丙烯、聚乙烯、尼龙、ABS等，品种规格有塑胶管、棒材、阀门、管件等几大系列，一千多个品种。

Dimethicone ,Cyclopentasiloxane,Dimethicone/Vinyl Dimethicone Crosspolymer,Polysilicone-11,Glycoproteins,Panax Ginseng Root Extract,Equisetum Arvense Extract,Silica Dimethyl Silylate ,Bisabolol,Tocopheryl Acetate ,Sodium Hyaluronate,Ursolic Acid,Atelocollagen,Sodium Chondroitin Sulfate,Ethylhexyl Methoxycinnamate,Polyglyceryl-2 Tetraisostearate ,Glycerin ,Water,Alcohol,Butylene Glycol ,Lecithin,Xanthan Gum ,Mica,Fragrance ,Benzyl Alcohol,Linalool ,Hydroxycitronellal,Alpha-Isomethyl Ionone ,Amyl Cinnamal,Hexyl Cinnamal,Palm Tree Extract,Geraniol,Benzyl Benzoate,Butylphenyl Methylpropional,Phenoxyethanol,Methylparaben,Isopropylparaben,Butylparaben ,Isobutyl Paraben,Titanium Dioxide,Carmine

地美司康，环戊硅氧烷，聚二甲基硅氧烷/乙烯基聚二甲硅氧烷交联聚合物，聚硅氧烷-11，糖蛋白，人参根萃取，问荆萃取，二甲基甲硅烷基化硅石，没药醇，醋酸盐维他命E，透明质酸钠，熊果酸，去端肽胶原，硫酸盐软骨素，4-甲氧基肉桂酸-2-乙基己基酯，聚甘油-2 四异硬脂酸酯，甘油，水，酒精，丁二醇，卵磷脂，山羊胶，云母，香料，苯甲醇，沉香醇，羟基香茅醛，α异甲基紫罗酮，戊基肉桂醛，己基肉桂醛，棕榈树萃取，香叶醇，苯甲酸苯甲酯，丁苯基甲基丙醛，苯氧乙醇，羟苯甲酯，羟苯丙酯，羟苯丁酯，二氧化钛，胭脂虫红

The Sodium Laureth Sulfate and Cocamidopropyl Betaine in the formula is all you need to get hair clean.

配方中的月桂基聚氧乙烯醚硫酸钠和椰油酰胺丙基甜菜碱就是你清洁头发所需的所有物质。

Monomeric acrylamide is a water-soluble, vinyl monomer that is used primarily to produce polyacrylamides which widely used as binding agent, thickening agent or bibulous in different industry such as wastewater treatment, petroleum extract, paper making, mining, medicine.

丙烯酰胺(Acrylamide，ACR)是一种水溶性的、乙烯基单体，主要用于生产聚丙烯酰胺，后者可作为良好的凝结、增稠、吸水剂，广泛用于废水处理、采油、造纸、纺织、皮革、采矿、医药等行业。

After oscillating the operation parameters, the bimodal molecular weight distribution of polyethylene was generated.

通过模拟计算，分别考察了氢气、乙烯、共聚单体进料速率和反应温度的振荡操作对聚乙烯分子量分布的影响。

That is to say, the biosynthesis of lycopene depend on ethylene.

番茄红素的生物合成是依赖于乙烯的。

The current status of the study on biosynthesis, response and regulation of ethylene are reviewed.

本文综述乙烯在切花衰老过程中调控作用的研究现状。

Biphenyl ethylene wasalso produced in this reaction, but it's very easy to be separated from coupling product.

该反应同时有二苯基乙烯生成，但很容易与偶联产物分离。

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。