類溶劑作用 的英文怎麼說
中文拼音 [lèiróngjìzuòyòng]
類溶劑作用
英文
near-solvent action- 類 : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
- 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...
- 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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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。Either glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.
乙醚、乙二肟、二乙二肟、硝基甲烷或類似的適當的極性溶劑,可用作溶劑。Ether, glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.
乙醚、乙二肟、二乙二肟,硝基甲烷或類似的適當的極性溶劑,可用作溶劑。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4Correspondingly, xrd patterns revealed that carbon shells became graphitic somehow. the effects of organic solvents and catalysts / catalysts precursors on the structure and morphology of products were also investigated in this study. cyclohexane, instead of benzene, was proven to be a suitable solvent, as it would not pyrolyze in the reaction system
對金屬催化劑(或前體)以及有機溶劑與產物形貌關系的研究結果表明,苯作溶劑在反應條件下易裂解並形成積炭,從而阻礙了多孔碳產物的繼續生成,而選用環己烷可以避免類似的裂解反應。Surface - active agent these play carrier and help function that dissolve in bending over in iodine, complexing ability of them it helps to be very much ideal to dissolve result, these kind of iodine there are quite a few of " existence forms of iodine " that do not possess the sterilization activation but waste of bending over, can leave yellow to dye even burn the skin at skin also at the same time
這些表面活性劑在碘伏中起載體和助溶的作用,但是它們的絡合能力和助溶效果不太理想,這類碘伏中有相當一部分「碘的存在形態」不具備殺菌活性而白白浪費,同時還會在皮膚上留下黃染甚至灼傷皮膚。The review says that adverse effects from some statins on muscle, such as myopathy ( pain / weakness ) and rhabdomyolosis ( breakdown of muscle ) are rare at standard doses
回顧中說到,一些他汀類藥物對肌肉的副作用例如肌肉病(疼痛/無力)和橫紋肌溶解(肌肉的降解)在標準劑量下是很罕見的。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The recent advances of sustainable petrochemical production technologies in the following fields are reviewed, including the atom economy oxidation of hydrocarbons with h2o2 as oxidant, green chemical synthesis with non - toxic and harmless raw materials, chemical reaction using environmentally friendly catalysts, chemical reaction in new green solvents, recovery of polymers waste, and production of petrochemicals and biodiesel fuel from renewable resources
摘要圍繞過氧化氫作氧化劑的烴類「原子經濟」氧化反應、取代有毒有害原料的綠色化工技術、使用環境友好催化劑的化學反應、在新興綠色溶劑中進行的化學反應、廢棄聚合物的回收利用及由生物質資源生產石油化工產品和生物柴油等內容,評述了綠色可持續發展石油化工生產技術的一些新進展。A volatile, flammable fraction of petroleum, obtained by distillation and used as a solvent
石油類是石油當中易揮發,易點燃的成分。通過蒸餾獲得,用作溶劑The study of one - dimensional ( 1d ) materials has become a potential frontier in nanoscience and nanotechnology in the last few years. this thesis focuses on developing new nano - biomaterials and their immobilization strategies in biosensor - fabricating for the purpose of improving the performance and long - term stability of biosensors. therefore, nano - sized flower - like zno ( chapter 2 ) and zno nano - rods ( chapter 3, 4 ) were synthesized by a simple hydrothermal method and a solvothermal route, respectively
本研究論文主要是通過發展新型的生物納米材料及其固定方法,以達到改進固定生物組分活性、提高傳感器靈敏度等目的,以此為出發點分別用水(第2章)和乙醇(第3 、 4章)做溶劑,利用溶劑熱法合成了片狀和棒狀的納米zno ,這兩種方法均具有實驗操作簡單、環境污染少、成本低、產率高等優點;這兩種方法所得到的材料均成功應用於生物傳感器的構建(酚類、過氧化氫、葡萄糖傳感器) 。In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode
實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了正交試驗優化;同時,還採用測準穩態極化曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空氣擴散電極催化材料、空氣擴散電極界面結構與性能的關系等作了較深入的研究。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。分享友人