萃取了溶劑 的英文怎麼說
中文拼音 [cuìqǔlēróngjì]
萃取了溶劑
英文
loaded solvent- 萃 : Ⅰ動詞[書面語] (聚集) come together; assemble Ⅱ名詞1 [書面語] (聚在一起的人或事物) a gathering...
- 取 : 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...
- 了 : 了助詞1. (用在動詞或形容詞后, 表示動作或變化已經完成) 2. (用在句子的末尾或句中停頓處, 表示變化, 表示出現新的情況, 表示催促或勸止)
- 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...
- 萃取 : [化學] extract; extraction
- 溶劑 : dissolvant; solvent; resolvent; solventia; menstruum
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The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion
本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。Antimicrobial effect of the bacteriocin produced by r21 - 4 is studied in the food systems. the results show that the conspicuous antimicrobial effect in the preservation of fresh milk. the samples were stored under 37 and the bacteria concentration in the sample with bacteriocin was 3 - 5 order less than the sample without bacteriocin
考察了r21 - 4產生的細菌素用有機溶劑萃取制備的方法及其在食品中的防腐效果,結果表明,細菌素在消毒鮮牛奶的保藏中具有明顯的防腐效果,樣品添加細菌素在37保存24h - 48h后與對照相比細菌總數相差3 - 5個數量級,防腐效果顯著。In this dissertation, the hydrosol of moo3 was prepared by precipitation method. the effect factors on hydrosol were discussed systematically. moo3 organosol was obtained by using ctab to modify the nanoparticles in moo3, hydrosol and n - pentanol to extract moo3 nanoparticles modified by ctab
採用表面活性劑ctab對moo _ 3水溶膠中的納米粒子進行表面修飾,通過正戊醇萃取制備了moo _ 3納米有機溶膠,對制備有機溶膠的條件進行了系統地研究。The extraction of ions in the form of chelate compounds, inorganic salts solvated by neutral reagents, and ion - pair compounds is considered
本文考慮了螯合物、中性溶劑溶解的無機鹽、離子對化合物的離子萃取。Abstract : selcting three groups of solvents as extraction menstrual, the best solvent and the best extraction condition are determined
文摘:選用3組溶劑作為萃取劑,利用正交試驗確定了萃取蕃茄紅色素的最佳溶劑及條件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; 4A batch extractive distillation process with mixed solvents was studied experimentally in a middle - vessel batch distillation column
摘要採用一個帶有中間貯罐的間歇精餾實驗塔,對混合溶劑間歇萃取精餾過程進行了實驗研究。Having compared all separating ways, the authors made a proposal to refine n - heptane and reclaim methylcyclohexane from 120 solvent oil by using composite extraction separation
研究比較各種分離方法,提出了用復合萃取分離法從120號溶劑油中分離出正庚烷並回收甲基環己烷的方案。The recent research and application of at home and abroad about modem separation technologies, for example solvent extraction process, membrane separation technology, salt - induced phase separation processes, macroporous rosin adsorption process and ion exchange method in erythromycin extraction are reviewed in detail. besides, the foreground of these modem separation technologies was discussed
綜述了近年來國內外現代分離技術溶劑萃取法、膜分離技術、鹽析沉澱法、大孔樹脂吸附法及離子交換技術在紅黴素分離提取領域的研究應用進展,並對這些現代分離技術的發展前景做了簡要探討。A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity
報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑(溴化十二烷基三乙銨/十二烷基硫酸鈉)分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基,研究蛋白質在雙水相體系中的親和分配.結果表明,在該體系中,表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成,不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性Particular emphases were given on the progress of solvent extraction of supercritical fluid extraction, solid phase extraction, solid phase microextraction and membrane extraction
對溶劑萃取所發展的超臨界流體萃取、固相萃取、固相微萃取及膜萃取方面作了重點敘述。Au. the influence of several variables such as gold and cosolvent concentrations, shaking times, the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied. while the cosolvent ratio is more than 10 %, in the tdmba system, gold was extracted completely. the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum. it was found that the aggregation ratio of tdmba and au
等因素對萃取率的影響,並研究了有機相的連續萃取有機相金含量與水含量的關系。結果表明,助溶劑體積比10 %以上時,十四烷基二甲基芐基氯化銨對金具有萃取能力強,平衡時間短的特點。季銨鹽陽離子與au cnGlycerin is validated as a good solvent in extracting dem - ethanol liquid - liquidly, and thus the necessary basic data has been provided for industry extracting devices
驗證了丙三醇是液液萃取分離二乙氧基甲烷乙醇的良好溶劑,為工業萃取裝置設計提供了必要的基礎數據。Agrimopholum constituents extracted from concrete of gemma agrimoninae by supercritical fluid extraction method and organic solvent method were examinated by the chemical analysis method
摘要用超臨界流體萃取和溶劑萃取兩種方法從鶴草芽中萃取中藥成分鶴草酚,運用化學方法對浸膏進行了各種性能測定,證明其是酚性混合物。The pretreatment of food samples for determination of organochlorine pesticides residues were described in this article, including several new technology which development during recent years, for example : supercritical fluid extraction, accelerated solvent extraction and solid - phase microextraction, these methods have reduced the time and solvent needed for sample extraction
摘要綜述了近十年來國內外對于食品中有機氯類農藥分析的前處理技術,其中包括了近幾年出現的一些新技術,如:超臨界流體萃取、加速溶劑萃取和固相微萃取等,這些新技術不但縮短了樣品的前處理時間並且減少了有機溶劑的用量。The experimental data are correlated by using uniquac and nrtl models, and the model parameters of this system have been obtained respectively, and the selectivity coefficients of the extracted solvent to solutes were calculated
實驗數據用uniquac和nrtl模型進行關聯,分別得到了三元體系的模型參數,並求得了萃取溶劑對溶質的選擇性系數。Special precipitation, ion exchange and solvent extraction separation techniques for mixed amino acids are discussed and their disadvantages are pointed out. the late achievements of extraction of amino acid by reverse micelles are introduced in detail, and some opinions on separation for mixed acids by reversed micelles were proposed at the end
本文介紹了特殊沉澱法、離子交換法、溶劑萃取法分離混合氨基酸的技術並指出了它們的缺點,詳細地介紹了反膠團萃取法分離氨基酸的最新研究成果,對反膠團萃取分離混合氨基酸提出了發展設想。In addition, the extractive distillation process with mixed solvents have a better performance and a wider use compared with that with single solvent in the same condition, and it can not only overcome conflict of single solvent ' s selectivity and solubility, but also not increase the complexity of original technology
另外,混合溶劑萃取精餾過程與簡單溶劑萃取精餾過程相比,克服了簡單萃取劑自身選擇性與溶解性之間的矛盾,提升了萃取精餾工藝的分離效果及使用范圍,並且沒有增加原有工藝過程的復雜性。分享友人