萃取分離 的英文怎麼說
中文拼音 [cuìqǔfēnlí]
萃取分離
英文
extraction separation- 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...
- 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...
- 萃取 : [化學] extract; extraction
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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。Basing on the government s support and our effort for these years, the output has gradually increased from 800 ton in 1994 to 3000 ton in 2000. especially in 1999, the company invested 2. 8 million yuan rmb emphasizing in technical reform, and set up a neodymium and samarium grouped separation production line to produce a new serious products of low - zinc and low - magnesium rare earth chloride. now the company formed a complete set of service system production to marketing. presently our products has saled covering shandong, shanghai and jiangsu province etc. the company totally possesses 7 million yuan of fized assets and 6 million yuan of circulating capital, and a steady and experienced technical and management team including 2 senior engineer, 3 engineers and 5 other technicians
1999年以來加大了技術改造,新投入280萬元建成了釹釤分組線一條,生產低鋅、低鎂氯化稀土。 2000年追加技改投資580多萬元,建成了3000噸萃取分離線,可生產稀土系列產品。企業現有固定資產1480多萬元,流動資金1000多萬元,高級工程師5名,工程師3名,大中專專業人才20餘名。Situation and developing trend of rare - earth countercurrent extraction processes control
稀土萃取分離過程自動控制研究現狀及發展趨勢Solid - phase extraction procedure to isolate fumaric acid from apple juice
固相萃取分離蘋果汁中富馬酸的方法研究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。With the aqueous phase velocity increasing, the mass transfer flux increased, but the recovery extraction decreased
由回收率的大小可以看出,電泳萃取分離技術是一種很好的處理染料水的方法。Study on extraction and separation of palladium from platinum with synthetic sulfoxide bso
萃取分離鈀鉑的性能研究Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously
本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法,認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制,導致鋯的部分水解,因而此方法不宜用於icp - ms中,然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中,全程回收率為93 . 2 ,相對標準偏差為5 . 24 ,鈾的一次去污因子為3 . 2 10 ~ 4 ,鋯的測定下限為0 . 04ng / ml ,本文首次將tta萃取分離鈾中鋯用於icp - ms測量中,結果令人滿意,此方法適用於快速、準確測量鈾產品中微量鋯。Summarize the status and developing trends of extract technology of vanillin at home and abroad at present
綜述了目前國內外香蘭素萃取分離技術的現狀及發展趨勢。Put forward that it will be an important task to exploit the craft of the supercritical gas separating vanillin
提出超臨界氣體萃取分離香蘭素工藝的開發,將是今後開發研究的一個重要課題。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。It can determine the elements in water. when tta is used to extract zirconium in uranium, the combination of zirconium and tta is very strong, the concentrated acid of nitric acid and hydrochloric acid can not destroy their combination
用tta萃取分離鈾、鋯時, tta對鋯的螯合作用很強,硝酸和鹽酸的濃酸溶液並不能破壞它們之間的整合,即對鋯的反萃取非常困難。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 extraction of amino acids by ion - exchange, liquid membrane and reverse micelle and their applications in the separation of hair - hydrolyzed amino acids are summarized
總結了氨基酸制備中的三大萃取技術:離子交換反應萃取,液膜分離萃取和反相膠團萃取及其在毛發水解氨基酸萃取分離方面的應用。Because the concentration of zirconium in uranium has large ranges, from 1. 50xlo ' 6 - 3. 8g / gu, not only how to decrease the remainder of uranium to eliminate its determinate effect but also how to acquire higher recovery of zirconium is considered, so the method of silica gel, the method of tbp levextrel resin chromatography, the method of tta chromatography and the method of tta extraction are compared. then tta extraction is chosen to acquire the ideal separation purpose. compared with icp - ms and icp - aes, xrf has characters of high repeatability, stability, low cost, high concentration elements analysis, the ability to determinate solid sample and having comprehensive practicability, but xrf has lower sensitivity, so how to increase the concentration of the sample to acquire better precision is a difficult problem, the optimum of operating condition : the integral time of spectral lines is 60s, the integral time of background lines is 20s, the voltage of xrf is 50kv, the electric current is 50ma
由於鈾中鋯的含量范圍很廣,從1 . 50 10 ~ ( - 6 ) 3 . 8g / gu ,在分離和測量時,既要考慮盡量地減少鈾的殘留量以消除鈾對鋯測量產生的影響,又要獲得鋯的理想的回收率,因此本文在分離方法的選擇上比較了硅膠吸附分離法, cl - tbp萃取色層法, tta萃取色層法和tta萃取分離法的優缺點,認為tta萃取分離法可以達到理想的分離效果。Qptimization of the extracion processes for the separation of rare earth elements
稀土萃取分離流程的優化選擇The specific subjects as bellow : firstly the two aqueous two - phase system of peg / ( nh4 ) 2so4 and peg / k2hpo4 were compared, then the better system was used for the aqueous two - phase extraction
首先針對聚乙二醇硫酸銨和聚乙二醇磷酸氫二鉀這兩個雙水相體系進行比較,選取較好聚乙二醇硫酸銨的雙水相體系用於雙水相萃取分離。A quantitative pretreatment scheme suitable to gc - ms analysis of bio - oil was proposed for the first time in china, and an extensive determination of the chemical composition of bio - oil fractions was performed by means of gc - ms coupling. these studies were crucial for the upgrading and utilization of bio - oil. using some novel designing method, which are suitable to biomass and pyrolysis characteristics, were applied in designing the fluid bed biomass flash pyrolysis system
並且率先在國內提出了適合於gc - ms分析的生物油的量化預處理方案(液?液萃取分離法) ,得出了各個組分(酸組分、堿組分、極性中性組分以及碳氫組分)在生物油中所佔的份額,並對預處理所得的各個組分分別進行了gc - ms分析,鑒定出了上百種化學成分。Methods for chemical analysis of copper ores lead ores and zinc ores. determination of germanium content. phenylfluorone - cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction
銅礦石鉛礦石和鋅礦石化學分析方法四氯化碳萃取分離,溴化十六烷基三甲胺-苯芴酮光度法測定鍺量Simultaneous on - line analysis of total and individual rare earth elements in light rare earths extraction process by multichannel analyzer
輕稀土萃取分離中稀土總量和分量的同時在線測定分享友人