extraction solvent 中文意思是什麼

extraction solvent 解釋
抽提劑
  • extraction : n. 1. 抽出，拔出。2. 【化學】提取（法）；萃取（法）；回收物，提出物；精煉。3. 精選，摘要。4. 血統，家世，出身。5. 【數學】開方，求根。
  • solvent : adj. 1. 有溶解力的，可溶解的；〈比喻〉使（信仰等）瓦解[削弱]的 （of）。2. 有償付能力的。n. 1. 【化學】溶劑，溶媒 （of for）。2. 解釋，說明。3. 使瓦解的東西。
  1. According to the frequently used methods of extraction and isolation of natural products from organic body, the freeze - dried ascidian tunica was exhaustively extracted with 100 % chloroform then the combined extracts were filtered and the solvent was separately concentrated under vacuum to yield a dark - brown gum

    按照目前比較常用的天然產物的提取分離辦法，將樣品冷凍乾燥后，用100氯仿浸泡，收集氯仿濾液，減壓蒸餾濃縮去除浸提溶劑，得到黑褐色的浸膏狀物質。
  2. When extraction solvent acetic acid to alcohol ratio was 1 : 5, solid to liquid ratio was 1 : 15, 40, 36hours, the bacteriostasis of chilli extraction was best

    當提取劑中乙酸：乙醇為1 ： 5 ，固液比為1 : 15 ，提取溫度為40 ，時間為36小時辣椒提取物的抑茵效果最佳。
  3. Extracting magnesium from bittern by solvent extraction

    用溶劑萃取法從鹵水中提取鎂
  4. The chlorophyll by plant and so on clover, alfalfa, nettle uses the solvent extraction the principal constituent is the chlorophyllin a magnesium, chlorophyllin a, the chlorophyllin b magnesium, chlorophyllin b. assumes the waxy solid, the olive green to the bottle green, regards the magnesium quantity which unifies but to decide, brings differently to be smelly slightly, serves as the edible green pigment, uses in the cakes and pastries, the drink, the eloquent liquor and so on

    葉綠素由三葉草、紫花苜蓿、蕁麻等植物用溶劑萃取而得，主要成分是葉綠酸a鎂、葉綠酸a 、葉綠酸b鎂、葉綠酸b ，呈蠟狀固體，橄欖綠至深綠色，視所結合的鎂量而定，略帶異臭，用作食用綠色色素，用於糕點、飲料、利口酒等。
  5. The metabolites eliciting inhibition to foam cell formation process of macrophage produced by endophyte hccb00017 were studied. several products were isolated through solvent extraction, and silica gel chromatography et al. one compound, hccb00017 - a, showed cytotoxicity ; the other two, hccb00017 - c and hccb00017 - e, showed inhibitory activity against foam cell formation process of macrophage

    對具有巨噬細胞泡沫化抑制活性的植物內生菌hccb00017的代謝產物進行研究，應用溶媒萃取、硅膠柱分離等方法，從其發酵液中分離出具有細胞毒性的活性物質hccb00017 - a ，以及具有巨噬細胞泡沫化抑制活性的組分hccb00017 - c和hccb00017 - e 。
  6. Solvent extraction is accomplished by the addition of an immiscible solvent to the wastewater.

    溶劑萃取是向廢水中投加不溶於水的溶劑。
  7. It is difficult to define the detection limits obtained by chelation-solvent extraction.

    確定螯合--溶劑萃取法所得到的檢測限頗為困難。
  8. Study on decontamination of solvent extraction ' s wastewater in tungsten hydro - metallurgy by potassium ferrate

    高鐵酸鉀處理鎢濕法冶金萃取廢液的研究
  9. Standard practice for separation and concentration of ignitable liquid residues from fire debris samples by solvent extraction

    用溶劑萃取法分離和濃縮從火燒瓦礫樣品中獲取的可燃液體殘渣的標準實施規程
  10. A new process of extraction distillation with salt was developed for the triple azeotropic system of methyl acetate - ethanol - water and the selective method of the solvent and salt were studied

    本文針對乙酸甲酯?乙醇?水三元共沸體系，提出了加鹽萃取精餾的工藝過程，並對鹽的選擇和萃取劑的選擇方法進行了研究。
  11. Reversed micelles and microemulsion in organophosphorus monobasic acid solvent extraction systems

    有機磷一元酸溶劑萃取體系中的反膠束和微乳液
  12. Research progress of scandium recovery by solvent extraction methold

    溶劑萃取法提鈧研究進展
  13. Solvent extraction of gold from alkaline cyanide solution by synthetic sulfoxide mso

    從堿性氰化液中萃取金的研究
  14. The development of solvent extraction separation of alkaline earth elements was reviewed, according to the classification of extractants

    摘要本文就堿土金屬離子萃取分離的進展情況，按萃取劑的分類進行了綜述。
  15. 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
  16. 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； 4
  17. In solvent extraction in the manufac ure of numerous natural and synthetic products such as antibiotics, hormones and vitamins. as a chemical intermediate in the production of plasticisers, flotation agents etc

    以溶劑萃取法生產抗生素，荷爾蒙及維生素等產品時所用之溶劑.作為製造增塑劑，浮選劑等之中間體
  18. Standard test methods for rubber chemicals - determination of percent insoluble sulfur by solvent extraction

    橡膠加工用化學藥品.用溶劑提取法測定不溶解硫磺百分比的標準試驗方法
  19. Stir bar sorptive extraction ( sbse ), which was originally developed at the end of 1990s, is a kind of novel and solvent - free sample preparation technology with high sensitivity and reproducibility

    攪拌棒吸附萃取是九十年代末發展起來的一種新型的樣品前處理技術，具有靈敏度高、重現性好、不使用有機溶劑等優點。
  20. Using various extraction solvent to distill polysaccharide and protein of codonopsis pilosula, and atomic absorption spectrometer to determine the selenium content of all component parts

    採用不同的浸提液提取黨參中的多糖和蛋白質，用原子吸收法測定它們各組分中的含硒量。
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