phase transfer 中文意思是什麼
phase transfer
解釋
相轉移-
Phase transfer alkylation
相轉移烷基化反應 -
In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在相轉移催化劑的作用下反應,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。 -
Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料,氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。 -
Manufacturer of phase transfer catalysts and organic quaternary ammonium compounds, located in india. other products include quaternary phosphonium compounds, pyridinium salts, and methylating and brominating agents
-專業生產氟化苯甲酸系列醫藥中間體,如對氟苯甲酸間氟苯甲酸間溴苯甲酸2 -氯- 4 -氟苯甲酸2 -硝基- 4 -氟苯甲酸3 , 5 -二氟苯甲酸等。 -
Synthesis of - benzyl phenylacetonitrile promoted by triphase phase transfer catalyst
芐基苯乙腈的三相相轉移催化合成 -
Heteropoly blue q7pmo12o42 ( q = c5h5nc16h33 ) has been designed and synthesized as reaction - controlled phase - transfer catalyst for catalytic epoxidation of cyclohexene and catalytic oxidation of benzalcoho with h2o2 as the oxidant
設計合成了第一個由磷鉬雜多藍作為反應控制相轉移化劑的反應體系,用於對環己烯進行催化環氧化,苯甲醇進行催化氧化。 -
At the same time, the effects of dragging force from fall of hydrometeors and latent - heat release from phase transfer are tested. from the analyses we conclude that the distributing of the cloud particles relates with temperature closely. huanan heavy rainfall and mei - yu front heavy rainfall have mixed - phase process with vapor phase, liquid phase and ice phase
詳細分析了形成降水的雲物理過程,探討了源匯項對水凝物的貢獻,並通過敏感性試驗,考察了雲物理過程對降水熱力動力過程的反饋作用,研究結果表明:華南暖區暴雨和長江梅雨鋒暴雨的雲物理過程具有汽、水、冰三相混合雲特徵。 -
This instrument can be used for study on the structure of mother liquor grown high - temperature crystals and the change of structure during the liquid - solid phase transfer
該裝置可用於研究高溫晶體生長過程中母液相的結構以及固液相轉變過程中結構的變化。 -
The polymer - supported catalysts were used in different kinds of reaction, such as ion - exchange resins, polymer - supported phase transfer catalysts, polymer - supported acid catalysts, polymer - supported base catalysts, polymer - supported metal catalysts, polymer - supported biological catalyst and so on
介紹的聚合物固載催化劑有6類,包括離子交換樹脂催化劑、聚合物固載的相轉移催化劑、聚合物固載的酸催化劑、聚合物固載的堿催化劑、聚合物固載的金屬催化劑、聚合物固載的生物催化劑等。 -
In the purpose of enhance the circular polarization, the sub - array have used a phase transfer circuit which made each patch have 90deg phase difference in turn. matching branches are added to the full array to enhance the bandwidth of the antenna
在4單元天線子陣的設計過程中採用了移相電路,使4單元間的相位依次相差90 ,展寬了天線的圓極化軸比帶寬。 -
Phase transfer reaction
相轉移反應 -
Food emulsifier sucrose ester and sucrose polyester were introduced, the description focused on the different synthetic methods of sucrose ester and sucrose polyester which included solvent method, non - solvent method and phase transfer catalyst method, and the development of sucrose ester and sucrose polyester was given an advice
摘要介紹了食品乳化劑蔗糖酯和蔗糖脂肪酸多酯,重點綜述了蔗糖酯和蔗糖脂肪酸多酯的合成方法,包括溶劑法、無溶劑法和相轉移催化法等不同的合成方法,並對蔗糖酯和蔗糖脂肪酸多酯的發展作出了建議。 -
Abstract : according to the principle of themodynamics and the method of linear algebra, the eqiulibrium criterion and eqiulibrium condition of the complex system have leen discussed systematically. the calculation method of eqiulibrium composition of chemical reaction, phase transfer as well as simultaneous equilibrium in the complex system have been proposed
文摘:根據熱力學原理和線性代數方法,系統地討論了復雜體系的平衡判據和平衡條件,以及復雜體系反應平衡、相變平衡,反應?相變同時平衡條件下平衡組成的計算方法,為研究復雜體系的平衡問題提供了理論依據。 -
Synthesis of ketoprofen by phase transfer catalytic oxidation
酮洛芬的相轉移催化氧化合成 -
Application of microwave irradiation in phase transfer catalysis
微波輻射在相轉移催化反應中的應用 -
Phase transfer catalysis of polystyrene triethanol amine resin
聚苯乙烯三乙醇胺樹脂的相轉移催化作用 -
The synthesis of a new reaction - controlled chiral phase - transfer catalyst
新的反應控制的手性相轉移催化劑的合成 -
Phase transfer caltalyst reaction and its applicadoil in organic synthesis
相轉移催化反應及其在有機合成中的應用 -
Synthesis of benzyl benzoate under microwave irradiation and phase transfer catalysis
微波輻射相轉移催化合成苯甲酸芐酯 -
Phase transfer catalyzed synthesis of hexanedioyl diaryl dithiourea compounds
相轉移催化法合成已二酰基二芳基雙硫脲化合物
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