A - alkene 中文

alkene n.【化學】鏈烯，烯烴。

alkine
The article analyze the concrete drying shrinkage mechanism , find the major factors of affecting the drying shrinkage , analyze the lack of shrinkage reducing agent , who be of low molecular weight and line chain , design a new shrinkage reducing agent ? ? shrinkage reducing agent of poly - acrylate . the shrinkage reducing agent of poly - acrylate is mainly composed of crylic acid 、 cinnamene 、 poly - glycol 、 solicitating agent 、 chain transferring agent and activator , which come by these processes of polymerization 、 esterifing and neutralization to form a pectinate polymer , which have a high molecular weight and many poly - oxidative alkenes 論文分析了混凝土干燥收縮的機理,確定了影響干燥收縮的關鍵因素,分析已有低分子量的、直鏈型減縮劑的不足,設計了一種新型的減縮劑? ?聚丙烯酸鹽類減縮劑,其主要由丙烯酸、苯乙烯、聚乙二醇、引發劑、鏈轉移劑、催化劑等經過聚合、酯化和中和反應,生成一種高分子量的、含聚氧化烯鏈的聚合物。
The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through - scission and monomolecular homolysis , and then benzene methyl shifts to the position of - carbon in the long chain alkyl benzene through h - transfers 已形成的長直鏈烷基苯通過分裂、單分子均裂形成苯甲基、烯烴，苯甲基通過氫轉移到長鏈烷基苯的碳上，烯烴再與碳結合形成帶支鏈的烷基苯。
The gc - ms analysis indicated that the principal constituent of the volatile oil was alkyl - alcohol and alkene compound ( account for 62 ~ 78 percent of the total ) , the content of saturation hydrocarbon and organic acid was in the secondary place 揮發油的gc - ms分析表明：川白芷揮發油的主要成分是烷醇類和碳烯類化合物，含量較高，約占整個揮發油的62 78 ，其次為飽和烴類與有機酸類。
Bleaching earth has been widely used to decolor the animal oil and fat , plants lipid , petroleum industry , chemical industry for daily use , it is also been used in refined petroleum equipment to remove the alkenes and carbonyl compound 產品能廣泛應用于動植物油脂脫色及石油工業，日化工業等工藝上的脫色精練裝置中脫烯和基化合物等雜質。
The recent application of thionly chloride in organic synthesis is reviewed , mainly focusing on the preparation of chlorinated compounds , alkenes , esters , amides , nitriles , cyclic sulfites and sulfinyl chlorides 綜述了近年來氯化亞砜在有機合成中的應用進展,主要涉及氯代化合物、烯烴、酯及酰胺、腈、環式亞硫酸酯、亞磺酰氯等化合物的制備。
Conclusions : in volatile oil of processed cyperus , the contents of alkene and ketone compounds are more than those in unprocessed cypreus , while the content of acid compounds is less than that of unprocessed cypreus 結論：醋炙香附揮發油的主要成分中各種烯類、酮類化合物含量高于生品中的含量，而酸類化合物的含量低于生品中的含量。
Spin by alkene ( spunbonded olefin ) glueing not , with making density polyethylene fibre not high , kinds of use the getting more extensive extremelying , light , but very tough and tensile material 的紡粘型烯烴( spunbondedolefin )用高密度聚乙烯纖維制成，是一種用途極為廣泛，重量輕，而卻非常堅韌的材料。
Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes . the nucleophiles include alkene , alkyne , alcohol , acid , amine , water , etc 文摘:綜述了近幾年釕亞乙烯基絡合物中間體-碳的親核反應。親核試劑包括烯烴、炔烴、醇、酸、胺、水等。
Spin by alkene spunbonded olefin glueing not , with making density polyethylene fibre not high , kinds of use the getting more extensive extremelying , light , but very tough and tensile material 的紡粘型烯烴spunbonded olefin用高密度聚乙烯纖維制成，是一種用途極為廣泛，重量輕，而卻非常堅韌的材料。
Abstract : a wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes 文摘:通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然產物，如生物堿、 -內酰胺、生物素、氨基糖等。
Abstract : seven major methods and their reaction characteristics for the synthesis of primary vicinal diamines starting from epoxides , and alkenes etc . are given in detail 文摘:詳細綜述了從環氧化合物、烯烴等為起始原料合成一系列一級鄰二胺的七條主要路線,并比較了各條反應路線的特點。
A wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes 摘要通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然?物，如生物鹼、 -內酰胺、生物素、氨基糖等。
A wide variety of natural products , e . g . alkaloids , - lactames , biotin , amino sugars has been synthesized by 1 , 3 - dipolar cycloaddition reaction between nitrones and alkenes 通過硝酮與烯烴化合物的1 ， 3 -偶極環加成反應合成了許多天然?物，如生物鹼、 -內酰胺、生物素、氨基糖等。
Chooses picture which you likes , if you need it are the oil paintingor the splendid alkene picture , may write plainly in the order form . we can draw up for you 選擇你喜歡的圖片，如果你需要它是油畫或炳烯畫，可以在定單中寫明。我們會為你繪制。
Many constituents are mutagens and carcinogenic such as alkenes , nitrosamines , polynuclear aromatic and heterocyclic hydrocarbons , amines 煙草的很多成分都會引起有機體突變以及致癌,如烯烴化合物,亞硝胺,多核芳香烴以及多環碳氫化合物和銨
Is 297 . 1mg g ; light hydrocarbon , wet gas and alkene are the main composition of hydrocarbon ; the temperature range of hydrocarbon producting is at 400 - 450 含樹皮體煤樹皮體生烴潛力烴類組成特征成烴演化規律中圖分類號：
The electrolytic titration method was compared with the inverse titration method in this paper far the accuracy at the measuring alkene 摘要比較了電位滴定法和反滴定法測定烯烴含量的準確性。
Catalysis : development of chirometallopor - phyrins as enantioselective oxidation catalysts of alkenes and sulfides 催化作用：開發新型手性金屬催化烯類及硫醚類之對映選擇性氧化。
Study on quantitative structure - property relationships of the thermodynamic properties of alkenes with connectivity 原子序數連接性指數與烯烴熱力學性質的定量關系研究

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alkene

alkene n.【化學】鏈烯，烯烴。

alkine

Chooses picture which you likes , if you need it are the oil paintingor the splendid alkene picture , may write plainly in the order form . we can draw up for you 選擇你喜歡的圖片，如果你需要它是油畫或炳烯畫，可以在定單中寫明。我們會為你繪制。

Many constituents are mutagens and carcinogenic such as alkenes , nitrosamines , polynuclear aromatic and heterocyclic hydrocarbons , amines 煙草的很多成分都會引起有機體突變以及致癌,如烯烴化合物,亞硝胺,多核芳香烴以及多環碳氫化合物和銨

Is 297 . 1mg g ; light hydrocarbon , wet gas and alkene are the main composition of hydrocarbon ; the temperature range of hydrocarbon producting is at 400 - 450 含樹皮體煤樹皮體生烴潛力烴類組成特征成烴演化規律中圖分類號：

The electrolytic titration method was compared with the inverse titration method in this paper far the accuracy at the measuring alkene 摘要比較了電位滴定法和反滴定法測定烯烴含量的準確性。

Catalysis : development of chirometallopor - phyrins as enantioselective oxidation catalysts of alkenes and sulfides 催化作用：開發新型手性金屬催化烯類及硫醚類之對映選擇性氧化。

Study on quantitative structure - property relationships of the thermodynamic properties of alkenes with connectivity 原子序數連接性指數與烯烴熱力學性質的定量關系研究