乙烯的

The synthesis method comprises the following steps: adding 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine and 1- methylthio- 1- methylamino- 2- nitro ethylene with a molar ratio of 1.04: 1 into water, heating to 48- 52 Deg. C, reacting 4.5 hours with a vacuum degree of 0.02- 0.05 MPa, cooling, adding sodium-hydroxide of concentration of 10% to regulate the PH value to 11.0- 11.4, filtrating and cooling the filtrate to 0- 2 Deg. C, crystallizing for 12 hours, centrifugally filtrating, and rinsing filter cake with purity water to prepare wet ranitidine alkali; dissolving ranitidine alkali in alcohol and reacting with chlorhydric acid to prepare ranitidine hydrochloride.

合成方法包括：将摩尔比为1.04∶1的2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯加入水中，升温至48-52℃，于真空度0.02～0.05MPa反应4.5小时，反应完毕降温，用10％氢氧化钠溶液调pH＝11.0-11.4，抽滤，滤液降温至0～2℃，结晶12小时，离心甩滤，用纯化水漂洗滤饼，得雷尼替丁碱湿品；将雷尼替丁碱溶于乙醇中与盐酸反应，制备得到盐酸雷尼替丁，产品符合欧洲药典标准。

Transfer of an amino group from one chemical compound to another.

一种热塑性塑料，由含乙烯基的化合物聚合而成。

His heart sank when he came home from work one day, and it was clad in grey vinyl siding.

他的心沉没时，他下班回家一天，这是身着灰色乙烯基侧板。

We have successfully modified coal tar pitch with divinylbenzene in this paper.

进行了二乙烯基苯改性煤沥青的中间相转化行为研究。

Green room: Cockscomb addition to uranium and other radioactive; Aloe three of vinyl chloride, hydrogen sulfide, benzene and other organic matter, and absorb dust, bacteria; cactus absorb the infection; aspartic In addition to heavy metal particles; Chlorophytum is very suitable for on raising plants indoors and do not bother Oh!

房间养几盆绿色植物：鸡冠花除铀等放射性；芦荟除三氯乙烯、硫化氢、苯等有机物，并吸收灰尘、细菌；仙人掌吸收病菌；天门冬除重金属微粒；吊兰是非常适合室内养植且不费心的植物哦！

The results showed as follow:①Chinese astringent persimmon were climacteric respiration fruit, the respiration climacteric stage occurred at speediness softening stage. Ethylene climacteric stage and respiration climacteric stage were almost occurred at one time.②The activities of EXP, PG, PE, CX all had increased, and EXP increased early with PG, PE, CX in turn in persimmon fruit during ripening and softening.③Concomitancy to fruit softening, ultrastructural changes in the mesocarp tissue were occurred at speediness softening stage, showed as disaggregation of middle layer of cell wall, appearance of fibre-like structures, disorganization of chloroplast and distortion of some mitochondria.

研究结果显示：①中国涩柿属呼吸跃变型果实，在其快速软化期出现呼吸跃变；乙烯跃变与呼吸跃变几乎同期出现；②在成熟软化过程中，EXP、PG、PE、CX的活性均有上升，EXP活性上升最早，随后依次是PG和PE、CX；PG活性上升幅度最大；③伴随果实软化，果肉组织超微结构在快速软化期中胶层解体、丝状体出现，叶绿体解体、部分线粒体变形；④1-MCP可延缓柿果实硬度下降，常温下延长保硬期5-7天。

In Chapter five, a diarylethene containing coumarin moiety was synthesized.

第五章：设计合成了含有香豆素基团的二芳乙烯化合物。

As an important industrial solvent,it is capable to dissolve cellulose ether, cellulose ester, nitrocellulose ,alkaline base dyestuff, PVC, polyvinyl acetate, polymethylmethacrylate, polystyrene, coumarone resin, 100% phenol resin, modified phenol resin and various natural resins.

能溶解纤维素醚、纤维素酯、硝化纤维素、碱性染料、聚氯乙烯、聚醋酸乙烯酯、聚甲基丙烯酸甲酯、聚苯乙烯、香豆酮树脂、100%酚树脂、改性酚树脂以及多种天然树脂，是一种重要的工业溶剂。

And the relationship between sex of cucmber and isozyme were analysed. The results indicated that, in terms of numbers of band and activities of peroxidase and superoxide dismutase were significantly induced after treated with silver nitrate and ethephon at 300mg/L and 200 mg/L in cucumber leaves, respectively.

研究表明，300mg·L〓硝酸银和200mg·L〓乙烯利处理黄瓜茎尖后，叶片中过氧化物酶和超氧化物歧化酶两种同工酶的酶谱带数和酶活性均明显受到诱导，而过氧化氢酶几乎不受影响。

The cationic diamide softener can be emulsified by emulsifying agent, and the emulsion of cationic diamide softene can be used as softening agent in Papermaking. The results showed that the emulsion of the cationic diamide softener is stable and homogeneous when the dosage of emulsifying agent cetyltrimethylammonium chloride is 10% in the emulsifying process.

摘 要：以硬脂酸和二乙烯三胺经酰化反应制得二硬脂酰化物，用环氧氯丙烷阳离子化后，再加入乳化剂乳化，可制得带有反应性基团环氧基的新型双酰胺阳离子乳液型纸张柔软剂。

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。