溶劑分離作用 的英文怎麼說
中文拼音 [róngjìfēnlízuòyòng]
溶劑分離作用
英文
solvent partition- 溶 : 動詞(溶化; 溶解) dissolve
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 溶劑 : dissolvant; solvent; resolvent; solventia; menstruum
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Methods the antioxidant of 75 % ethanolic extract and organic solvent extracts, water extracts and polysaccharids from acanthus ilicifolins l. was detected by flow - injection chemiluminescence, to evaluate the ability of scavenge h2o2
方法採用流動注射化學發光法,研究該植物75 %乙醇提取物及其有機溶劑萃取分離部分、水提取物及多糖對過氧化氫( h2o2 )的清除作用。At present, liquid - liquid extraction common ultraviolet spectrophotometry method is used for the analysis and examination of such medicine. the separating method of liquid - liquid extraction is overelaborate and waste solution. the recoveries are low
對于該類藥物的分析檢測,目前主要採用液液萃取普通紫外光譜測定法,液液萃取分離法操作繁瑣、費溶劑、藥物萃取率低,雜質去除不徹底。The new high effective water - reducing agent act - fdn has characteristic of reactivity, it ca n ' t dissolve in water but do in alklia. in the concrete, it decompounds slowly and gives out sulfonate group which has dispersity, this can make the high effective water - reducing agent available for a long time, therefore it can reduce slump loss
研製的新型高效減水劑act - fdn ,具有反應性的特點,不溶於水但溶於堿,在混凝土這樣的堿性環境下可以緩慢分解釋放出具有分散性能的陰離子磺酸基,使高效減水劑能夠持久發揮作用,從而達到了降低坍落度損失的目的。Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon
採用高錳酸鉀氧化預處理的碳載體比表面積較大,表面含氧官能團數量較多,親水性較好,有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑,有利於碳載體在前軀體溶液中的分散,容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作為前軀體,可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應,使得前軀體離子吸附量增大,分散更加均勻,以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1The effects of adding two proteins ( glutenin and gliadin ) purified from wheat gluten on the rheological properties of wheat doughs were investigated
摘要利用谷朊粉提取分離的2種蛋白(麥谷蛋白和麥醇溶蛋白) ,作為2種麵粉品質改良劑,研究了它們對不同種小麥粉面團流變學特性的影響。Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究In this work, pluronic f127 was used as a progen and different biodegradation rate and surface property as amorphous calcuim phosphate, a - calcuim triphosphate, - calcuim triphosphate and a / p - calcuim triphosphate were selected to make three - dimensional porous composites with plla. in the phase separation of pure plla or cp / plla composite system the ppo block of pf127 can aggregate plla clew to induce phase separation. this resulted big round pores of 50 ~ 300 m and uniform ladder - like structure of 400 ~ 1000 m
具體結果如下:浙江大學碩士學位論文在單純的聚乳酸以及鈣磷酸鹽/聚乳酸復合體系的相分離過程中, pf127的ppo鏈段對plla鏈段有聚集作用,促進相分離過程,在不同溶劑中分別可得到孔徑在50一300林m的較大的圓孔和有序度為400一1000林m的梯狀孔,孔隙率為80 % ~ 93 % 。The chemical process by means of which a change in physical condition, as in pressure or temperature, or the action of a solvent causes a molecule to split into simpler groups of atoms, single atoms, or ions
離解(作用)在物理狀態下,如在壓力或溫度下的變化,或在溶劑的作用下,使分子分離為更簡單的一組原子、單原子或離子的化學過程Applications of room temperature ionic liquids as a classification of green solvents and a catalyst system in the fields such as separation process, chemical reaction. electrolysis chemistry are introduced ; meanwhile ionic liquids can also he used as lubricating materials, sensitive materials, energy - storage materials and optical materials
摘要介紹了室溫離子液體作為一類綠色溶劑和催化劑體系在分離過程、化學反應、電化學等領域的應用情況;同時離子液體還可以作為潤滑材料、敏感材料、儲能材料和光學材料。The electrolyte is an important ingredient for the lithium - ion battery which composed of the lithium salt and the solvent. organic solvent is an important constituent of the electrolyte and it plays an important role to dissolve the electrolyte lithium salt
電解液是鋰離子電池的重要組成部分,由電解質和溶劑組成,其中有機溶劑是鋰離子電池電解液的重要組成部分,承擔著溶解鋰鹽的重要作用。分享友人