烷氧基 的英文怎麼說

中文拼音 [wányǎng]
烷氧基 英文
alkoxy group
  • : 名詞[化學] (有機化合物的一類) alkane
  • : 名詞[化學] (氣體元素) oxygen (o)
  1. Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.

    醛類和其他的羰化合物,由於烷氧基離子的穩定性,最容易通過本質上是負離子的機理進行聚合。
  2. Direct alkoxylation of aromatic compounds is virtually unknown.

    事實上還不知道芳香族化合物的直接烷氧基化的方法。
  3. Both the r groups are alkoxy residues.

    兩個R團都是烷氧基
  4. 5, both melting point ( tm ) and isotropization temperature ( tj ) of all the three series compounds change regularly with the carbon numbers of the end alkoxy group increased. there is a gradual increase in smectic phase length and in the smectic - nemetic transition temperature. at the same time there is a gradual decrease in nemetic phase length

    五,三個類型化合物16ia至16id 、 16ila至16lid 、 17ia至17id 、 17ila至17lid 、 18ia至18id和18ila至18lid的熔點和液晶態的清亮點均化合物分子中末端烷氧基增大逐漸降低;近晶相的溫度范圍和近晶相一向列相轉變溫度逐漸增大,而向列相的溫度范圍遞減。
  5. Through molecular design, a series of liquid crystalline copolyesters, which possibly possessed the auxetic behavior, were prepared by solution condensation reaction between 2, 5 - bis ( p - alkoxy benzoyloxy ) hydrobenzoquinone, 4, 4 ' - ( decanoxy ) dibenzoyl chloride and 4, 4 ' - dihydroxy - oc, co - diphenoxydecane

    經分子設計,通過2 , 5 ?二(對烷氧基苯酰)對苯二酚、 4 , 4 』 ?二羥? , ?二苯和4 , 4 』 ? (癸二酰)二苯甲酰氯之間的縮合反應合成了一系列具有負泊松比潛能的液晶共聚酯。
  6. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學結構和液晶性能的表徵。
  7. Surface active agents - determination of the water number of alkoxylated products

    表面活性劑.烷氧基化產品的水數測定
  8. And they are different with the common liquid crystal compound in the molecular structure, property and application function. up to now, people have more interest on the them in the field of transferring signal and information at the molecular level. starting from the molecular design, three novel series of schiff base type liquid crystal crown ethers were synthesized

    從分子設計出發,設計併合成了三類新的席夫堿型液晶冠醚化合物,根據分子中冠醚環和木端烷氧基的不同和大小以及化合物的構型將其分為六個系列, 24個化合物。
  9. Apparatus for microdetermination of alkoxyl groups

    烷氧基團微量測定用儀器
  10. Three derivatives of alkoxy phthalocyanine pb were synthesized as optical limiting materials. the structures of products were characterized by means of ir, hnmr spectra and elementary analysis. and then, the phthalocyanine pb / polymethy methacrylate ( pmma ) were prepared

    合成了三種烷氧基取代的金屬酞菁鉛類光限幅材料,利用元素分析、紅外光譜、核磁共振氫譜等方法,驗證了化合物的分子結構。
  11. In order to research the application of nonlinear optical materials for optical limiting, four derivatives of alkoxy metal phthaloyanines were synthesized. the structures of the products were characterized by means of ir. 1hnmr spectra and elementary analysis

    為探索有機非線性光學材料在光限幅方面的應用,本論文合成了四種烷氧基取代的金屬酞菁化合物,並利用元素分析、紅外光譜、核磁共振氫譜等方法,驗證了化合物的分子結構。
  12. Pff phenol - furfural resin

    全氟烷氧基樹脂
  13. A series of triarylphosphine ligands with alkoxyl groups have been prepared through five steps from commercially available 3 - bromophenol by a new synthetic route

    摘要從間溴苯酚出發,利用新的合成方法經五步反應合成了一系列具有不同烷氧基的芳膦配體。
  14. Both the r groups are alkoxy residues

    兩個r團都是烷氧基
  15. Effect of alkoxy substitution on the conductivity of polynaphthalene vinylene

    烷氧基取代對聚萘乙炔電導率的影響
  16. Surface active agents. determination of the water number of alkoxylated products

    表面活性劑.烷氧基產品的水含量的測定
  17. Non - ionic surface active agents - polyalkoxylated derivatives - determination of hydroxyl value - phthalic anhydride method

    非離子表面活性劑聚烷氧基化衍生物羥值的測定鄰苯二甲酸酐法
  18. Surface active agents - alkoxylated derivatives - determination of hydroxyl value - n - methyl imidazole method

    表面活性劑.烷氧基衍生物.羥值的測定. n -甲咪唑法
  19. Abstract : benzotriazole is a good corrosion preventive compound that can reacts with aldehyde and alcohol. the addition reaction is used to synthesize eight alkoxyalkyl benzotriazoles by benzotriazole, propionaldehyde and methanol, ethanol, propanol, iso - propyl alcohol, n - but anol, iso - butanol, sec - butanol, tert - butanol. their structures were confirmed by elemental analysis, ir and 1hnmr. the mechanism of addition reaction was discussed

    文摘:利用苯駢三氮唑、丙醛分別和甲醇、乙醇、丙醇- 1 、丙醇- 2 、丁醇- 1 、丁醇- 2 、 2 -甲丙醇- 1 、 2 -甲丁醇- 2反應合成了八種烷氧基苯駢三氮唑,通過元素分析、 ir 、 1hnmr對上述化合物的結構進行了測定,並討論了這類加成反應的歷程。
  20. Surface active agents - determination of the water number of alkoxylated products ; german version en 12836 : 2002

    表面活性劑.烷氧基化產品的水分子數測定;德文版本e
分享友人