烷基取代的 的英文怎麼說

中文拼音 [wándàide]
烷基取代的 英文
alkyl substituted
  • : 名詞[化學] (有機化合物的一類) alkane
  • : Ⅰ動詞1 (拿到身邊) take; get; fetch 2 (得到; 招致) aim at; seek 3 (採取; 選取) adopt; assume...
  • : Ⅰ動詞1 (代替) take the place of; be in place of 2 (代理) act on behalf of; acting Ⅱ名詞1 (歷...
  • : 4次方是 The fourth power of 2 is direction
  1. Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals.

    在一芳香環上一個消失,結果出現自由
  2. A new convenient synthesis of a series of polyfluoroalkyl substituted cyclopropane derivatives was achieved by the reaction of polyfluoroalkyl iodides with diethyl allylmalonate in the presence of sodium dithionite in 45 % ~ 55 % yields

    摘要以連二亞硫酸鈉為引發劑,烯丙丙二酸二乙酯與多氟在溫和條件下反應,方便地得到一系列多氟烷基取代的環丙衍生物,產率45 % ~ 55 % 。
  3. This paper by using examples of disubs tution cyclohexanes with different and identical functional groups, examines some stereochemistry problems puzzling to stuaents, such as the configuvation conformation, and enantiomorphism isomers, and presents some practical solutions

    摘要以團相同和不同環己為例,分析了環己衍生物構型、構象和對映異構等學生易模糊立體化學問題。
  4. Cellulose acetates with different substitution degrees were synthesized with wood pulp as raw material and dodecylbenzenesulfonic acid as catalyst

    摘要以木漿為纖維素原料、十二苯磺酸為催化劑,制備了一系列不同纖維素醋酸酯。
  5. Moreover, hrtem observations indicate that the process is very selective : even in apparently homogenous illite or i / s, some crystals went opening and some remain unchanged. and the replacement of k cations by alkylammonium cations is not restricted to crystal edges, but extends to entire interlayer. the above facts are the basis of alkylammonium cations method applied to the diagenetic age of sedimentary rock

    Iaa法是以沉積巖粒度?年齡譜為,利用這種方法可以獲得同一樣品不同粒級伊利石年齡,隨著粒級減小,樣品年齡也減小,當碎屑伊利石含量趨于零時,可以得到自生伊利石成巖年齡;胺陽離子法是一種化學方法,利用胺陽離子選擇性替性,可以去除碎屑伊利石成分中k離子,從而能夠獲得自生伊利石年齡。
  6. The main research now is focused on the polymerization of difluoramino substituted oxetane monomers, the preparation of neopentyl difluoramino nitrato plasticizers, and the molecular design and synthesis of cyclic n - nitramino geminal difluoramino oxidizers

    目前該領域研究工作主要集中在二氟氨環氧丁聚合物合成,新戊二氟氨硝酸酯增塑劑制備,以及環n -硝胺偕二氟氨氧化劑分子設計與合成上。
  7. Alkylammonium cations method is a new way to study the diagenetic age of sedimentary rocks. alkylammonium cations can replace k cations in mica and illite stoichiometrically

    Iaa法和胺陽離子法進行伊利石分離和定年是目前國際上最先進礦物定年方法。
  8. In this paper, silsesquioxanes with functional organic substitutes were used as molecular template. the preparation of low dielectric films with narrow pore size distribution was discribed

    本文使用具有功能籠形倍半硅氧作為分子模板劑,研究孔洞大小均勻分佈低介電常數多孔薄膜制備。
  9. Synthesis and characterization of alkyl substituted dimethyl phosphonates

    膦酸二甲酯合成與表徵
  10. In this paper, three alkyl substituted dimethyl phosphonates have been synthesized by trimethyl phosphite with 1 - bromopentane, 1 - bromohexane and 1, 2 - dibromoethane. ir, 1h - nmr and 13c - nmr data of these compounds have been reported

    摘要以溴戊、溴己、 1 , 2 -二溴乙和亞磷酸三甲酯為原料,分別合成了戊、己、溴乙三種膦酸二甲酯化合物。並報道了所合成化合物紅外光譜、核磁共振氫譜及核磁共振碳譜數據。
  11. 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,驗證了化合物分子結構。
  12. 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應用,本論文合成了四種金屬酞菁化合物,並利用元素分析、紅外光譜、核磁共振氫譜等方法,驗證了化合物分子結構。
  13. Effect of alkoxy substitution on the conductivity of polynaphthalene vinylene

    對聚萘乙炔電導率影響
  14. However, the reserves of calcium bentonite is low and the surfactants are expensive, which bring many difficulties to industrialization. in this paper, an abundant and low cost raw material, calcium bentonite, and several new modifying agents such as compound quaternary ammonium salt with cheap caprolactam or anionic surfactant or silane coupling agent were used to synthesize new - type organobentonites, in the principal of efficient, cheap and simple

    作者嘗試以資源十分豐富膨潤土為原料,依據高效、廉價、使用簡單原則,以傳統插層劑季銨鹽為礎,分別用價格較低己內酰胺、陰離子表面活性劑、硅偶聯劑部分季銨鹽作插層劑,來制備新型有機膨潤土。
分享友人