酯系溶劑 的英文怎麼說
中文拼音 [zhǐxìróngjì]
酯系溶劑
英文
ester solvents-
As to the solvent, hexane and butvul acetate is discussed and former is more suitable for biotransformation. among seven kinds of energy source : menthok alcohok glycok glycerou 1 - hexanok butyl alcohol octyl alcohol, glycol is selected as energy source, so hexane - glycol is used as reaction system
從生物相容性和有利於轉化的角度對兩種溶劑，正己烷和乙酸丁酯進行了比較，確定了正己烷?憶二醇為該模型反應的溶劑體系。The subsidiary company, yongan fuhuaxian articles supply factory, can produce 191 serial unsaturated polyester resin which is a clear and heavy - bodied liquid. it is made by the method of the solvation of linear unsaturated polyester resin, which is condensated and polymerized after the esterification of biatomic acid and diatomic alcohol, into phenylethylene solvent, which is a crosslinking active monomer
所屬子公司永安市福化纖用品廠生產的191系列不飽和聚脂樹脂，系由二元酸酐和二元醇及其縮合物經酯化反應，縮聚成線性不飽和聚酯樹脂，然後經具有交聯作用的活性單體溶劑苯乙烯所溶解而配製成的透明粘稠液體。The major products includes 1 ) food additives : citric acid & its derivatives, l - lactic acid & its derivatives, msg, starch sugar etc ; 2 ) feed additives : lysine & its salts, corn gluten powder etc ; 3 ) bio - energy : fuel ethanol, bio - diesel etc ; 4 ) biochemical products range : bio - ethylene & its derivatives, poly lactic acid ( pla ) bio - degradable plastics, poly lactic acid polymer fiber fabrics etc
主要產品有檸檬酸及其鹽類、 l -乳酸及其衍生物、味精、澱粉糖等食品添加劑；賴氨酸及其鹽類、玉米蛋白粉、氨基酸蛋白粉等飼料添加劑；燃料乙醇、生物柴油等生物能源產品；生物乙烯及其衍生物、聚乳酸生物可降解塑料、聚乳酸聚酯纖維布料、無毒綠色溶劑、無毒增塑劑等生物化工系列產品。Organic bentonite - yh - 938 serial introduction yh - 938 organic bentonite apply to middle polar solvent system, it has very good thickening property in xylene, alcohols, ketone, or their composition solvent. in solvent which contain alcohols or esters, it enjoy the leading place in thickening and viscidity in china
Yh 938有機膨潤土適用於中極性溶劑體系，二甲苯，重芳烴，醋酸丁酯，酮類，醇類和他們的混合溶劑中具有良好的增稠流變性能，特別是在含醇或含醇溶劑體系中增稠粘度屬國內領先。Nh2so3h was used to efficiently perform one - pot, three - component, biginelli condensation reactions of aldehydes, - ketoesters and urea under solvent - free conditions at room temperature by grinding method
摘要以nh2so3h為催化劑，室溫無溶劑條件下，研磨芳醛、 -酮酸酯和尿素合成了一系列1 ， 2 ， 3 ， 6 -四氫嘧啶2 -酮衍生物。Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds
研究表明，該活性物質具有較強的熱穩定性， ph 9的條件下能穩定存在，但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失；活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水；薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點；由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素，可能為一新的抗菌活性物質。Properties : completely dissolved in solvent such as coal tar system, esters, turpentine and plant oil. undissolved in solvent such as alcohol and partly dissolved in oil
性能:在煤焦系，酯類溶劑?松節油?植物油中完全溶解，不溶於醇類溶劑，在石油系溶劑中部分溶解。The paper introduces a new highly - effective synthesis method. decoquinate was synthesized with catechol as starting materials via substitution, reduction, and at last cyclization with " dowtherm a " as solvent
摘要以鄰苯二酚為原料，通過一系列取代反應，再經過還原、縮合，最後在高沸點的混合有機溶劑中關環。制備的3 -喹啉羧酸乙酯衍生物的總收率為24 . 2 % 。P - n, n - dimethlaminobenzates ( ( ch3 ) 2nc6h4coor ) have typical ict characteristics. the ct emission and the fluorescence intensity ratio of ct band to normal band ( ict / ile ) were different in organic solvent and in the aqueous solvent with ctab micelle when the length of r group was increasing
N ， n -二氨基苯甲酸酯系列具有典型的雙熒光，從甲酯到辛酯隨著酯烷基鏈的增長，它們在有機溶劑和膠束水溶液中的熒光峰位置以及雙重熒光強度之間的比值不同。In this thesis, a system of supported liquid membrane selected composed of tbp as carrier, kerosene as the solvent and polypropylene as membrane support material
本工作採用的支撐液膜體系，是以磷酸三丁酯（ tbp ）為載體，煤油作為膜溶劑，多孔性聚丙烯膜為支撐膜材料。Comparison of the diffusion coefficients calculated by this new model with the present experimental data, including benzene, toluene, ethylbenzene in polystyrene ( ps ) and poly ( methyl methacrylate ) ( pmma ) are performed, calculation results in this study are in good agreement with experimental data, for the correct estimation of the hole - free volume change above and below the glass transition
以芳香族溶劑苯、甲苯、乙苯在玻璃態聚苯乙烯和聚甲基丙烯酸甲酯中的擴散系數為例對模型進行驗證，理論計算結果和實驗值取得良好一致。( 5 ) the article also investigate the recrystallization condition of crude lactide and point out that it also an important factor have influence on the purification production ratio. ( 6 ) give the kinetics equation of depolymerization reaction. by determination the degree of polymerization ( dp ) of the reaction system, we can get the kinetics data of the reaction
本文建議使用乙酸乙酯和異丙醇混合溶劑（ 6 ： 4 ）對丙交酯粗產物進行重結晶； （ 6 ）提出解聚反應的動力學方程，認為它是一個可近似處理為一級反應的連續反應，並可通過測定體系的平均聚合度的方法來得到包括活化能在內的反應動力學數據。2 resin with bad wetness systems such as epoxy resin, polyester, alkyd, acrylic resin, operate as the following process : add the solvent - add organic bentonite powder mix and stir 10 minutes, wet enough - add the polar active agent mix and stir 5 - 10 minutes, make it swell and disperse - add resin and stir - add the surface active agent - add pigment, stir and disperse to the needed granularity - dilute to the needed viscosity main points for use methods
2當使用潤濕性差的樹脂系統環氧，聚酯，短油酸樹脂，丙烯酸樹脂操作如下：加入溶劑混合加入有機膨潤土粉末攪拌混合10分鐘，使其完全潤濕加入極性活化劑攪拌混合5 - 10分鐘，使其膨脹，分散加入樹脂混合攪拌加入表面活化劑攪拌分散至所需細度稀釋至所需粘度。It has further been proposed to make diethyl phenylmalonate by taking the system using an excess of the diethyl carbonate ( which then acts also as solvent ) to force the equilibrium over in the desired direction and distilling out the equilibrium until the reaction has gone substantially to completion
因此我們提出了按照這一系統使用過量的二乙基碳酸酯（後面作為溶劑）強迫平衡向所要的方向移動，當反應基本上完全完成後蒸餾平衡向來生產二乙基苯基丙二酸酯。分享友人