沉澱分離法 的英文怎麼說
中文拼音 [chéndiànfēnlífǎ]
沉澱分離法
英文
precipitation separation- 沉 : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
- 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 沉澱 : 1 (沉澱過程中析出的物質) sediment; precipitate; sedimentary accretion; precipitation; (doposit...
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Precipitates are usually collected by centrifugation at intervals.
常常是用離心法分段收集沉澱的。Suspended solids including fine particles and colloids cannot be removed efficiently with gravitation sedimentation ; they are removed using centrifuge, dissolved air flotation, diatomaceous earth filtration, coagulation sedimentation plus rapid sand filtration while dissolved solids are removed with ion exchange, ultrafiltration, activated carbon adsorption and chemical oxidation
懸浮固體之去除包括微顆粒及膠體物,無法以重力沉澱之物質,可採用離心分離機、空氣浮除法、矽藻土過濾法、混凝沉澱加快濾池等去除之。而溶解性固體去除則採用離子交換法、微細孔濾膜過濾、活性碳吸附以及化學氧化等去除之。This enzyme was different with the ones reported in the past. a phosphatase was isolated from the chloroplast thylakoid membrane of ipomoea aquatica, by nacl extration, ammonium sulfate precipitation, ion - exchange chromatography and hydrophic chromatography through butyl - toyopearl 650m column
使用nacl抽提、硫酸銨分步沉澱、離子交換和butyl - toyopearl650m疏水柱層析等方法,從蕹菜葉綠體類囊體膜中分離純化到一種蛋白磷酸酯酶。Yig and ce : yig precursors were prepared via coprecipitation. by means of improving homogeneity and decreasing synthesis temperature, harmful yfeo3 phase was restrained, the oxidation of ce3 + was under control, and pure phase yig and ce : yig ( x = 0. 2 ) were obtained
採用共沉澱法合成yig及ce : yig前驅體,通過提高組分均勻性、降低煅燒溫度等手段,有效地抑制了yfeo _ 3雜相的生成和ce ~ ( 3 + )離子的氧化,合成了單相yig和ce : yig 。Firstly, it is necessary to determine the variation of ddmbac concentration during coagulant sedimentation. according to basic theory of statistical analysis, the analytical method of ddmbac, which was based on modification, optimization and perfection of spectrophotometric method using acid blue 1 #, was developed in this paper
為確定混凝沉澱過程中陽離子表面活性劑ddmbac濃度的變化,本文從基本的數理統計理論出發,對陽離子表面活性劑檢測方法酸性藍分光光度法進行了改進、優化和完善,建立了適于本研究中測定ddmbac的分析方法。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。- acetolactate decarboxylase is purifed from cell extract by 50 % - 80 % ammonium sulfate - fractionation, 50, 2min heat treatment and deae - sepharose fast flow column chromatography, which we study the different ph and different buffer of deae - sepharose fast flow column chromatography and conclude ph 6
對其酶學性質進行了研究。 -乙酰乳酸脫羧酶經50 80硫酸銨分級沉澱、 50 , 2min熱處理、 deae - sepharosefastflow離子交換柱層析方法分離純化。In this article the chelating precipitation method and the converting precipitation method were chosed to synthesis zno nanoparticles on the basis of the theory of synthesis of nanoparticles by precipitation. uniform and dispersed zno nanoparticles were prepared by the two methods because zn2 + of conformation crystal was flee slowly and the supersaturation was well controlled. the problem which zno nanoparticles are wide size and agglomerative was solved
本文根據均相沉澱法合成納米粒子的原理,採用絡合沉澱法和沉澱轉化法合成納米氧化鋅。這兩種方法利用溶液中的構晶陽離子zn ~ ( 2 + ) ,緩慢地釋放出來,有效地控制了溶液中的過飽和度,可以得到粒徑均勻、分散的納米氧化鋅,解決現有制備工藝中納米氧化鋅粒徑分佈寬、易團聚的問題。Methods for chemical analysis of iron, steel and alloy. the arsenazo spectrophotometric method for the determination of zirconium content after separation by p - bromomandelic acid
鋼鐵及合金化學分析方法對-溴苦杏仁酸沉澱分離-偶氮胂分光光度法測定鋯量Lead and lead alloys. analysis by flame atomic absorption spectrometry or inductively coupled plasma emissions spectrometry icp - es, after separation by co - precipitation
鉛及鉛合金.共沉澱法分離后通過火焰原子吸收光譜法或感應耦合等離子體放射光譜法進行分析Under these conditions the fibrinolytic activity of the supernatant can reach 820 urokinase units per milliliter broth. ba - dfe was purified from the supernatant of b. amyloiquefaciens dc - 4 culture broth by ammonium sulfate precipitation, ion - exchange chromatography on cm - and deae - sepharose fast flow, hydrophobic interaction chromatography on phenyl sepharose 6 fast flow and gel filtration on sephadex g - 50. the purified enzyme displayed thermophilic, hydrophilic and strong fibrinolytic activity
通過硫酸銨分級沉澱、 cm - sepharosefastflow和deae - sepharosefastflow離子交換層析、 phenylsepharose6fastflow疏水層析和sephadexg - 50凝膠過濾等方法,從解澱粉芽孢桿菌dc - 4的發酵液中分離純化出電泳純的ba - dfe 。Rubber compounding ingredients - carbon black - determination of aggregate size distribution by disc centrifuge photosedimentory
橡膠配合材料.炭黑.用盤式離心沉澱攝影法測定集料粒度分佈Photometric determination of microamounts of silicon in copper, cobalt and nickel after precipitation - separation
沉澱分離光度法測定金屬銅鈷鎳及其合金中微量硅The methods for chemical analysis of lead and zinc bulk concentrates - the determination of lead and zinc content - the na 2edta titrmetric method after precipitation separation
混合鉛鋅精礦化學分析方法.鉛量與鋅量的測定.沉澱分離naedta滴定法Lead and lead alloys - analysis by flame atomic absorption spectrometry or inductively coupled plasma emission spectrometry icp - es, after separation by co - precipitation ; german version env 14138 : 2001
鉛和鉛合金.共沉澱分離后的火焰原子吸收光譜測定法或One small captive population of amur tigers ( panthera tigris altica ), which had 14 - year captive history since its foundation in 1986, was selected for such population genetic researches in this paper, which contained three experimental parts as : ( 1 ) dna extraction from shed hairs. three methods, which were chelex, ionic detergent and non - ionic detergent, were respectively used to digest the shed hairs of one amur tiger
本文利用chelex 、離子型和無離子型分解液三種方法對在東北虎( pantheratigrtsaltica )換毛期採集的自然脫落毛發進行了dna提取,並對部分毛發分解原液進行蛋白質沉澱,對于毛發分解殘留物也進行了核細胞分解與蛋白質沉澱再處理,對上述提取產物進行rapd擴增。This paper has reviewed the resources of ceo2 in our country, the markets and the condition of application. the advantages and drawbacks of the important preparation methods were reviewed. it puts emphasis on the reaction mechanism of precipitation method to nanoparticals and analyzes redox potential between ce3 + and ce4 +, puts forward a new technics named " a two - stage precipitation process " to succeed in obtaining nanocrystalline powers of cerium oxide
本文簡要介紹了我國ceo _ 2的資源和市場以及國內外納米ceo _ 2的應用現狀:分析對比了納米ceo _ 2制備研究現狀;重點討論了沉澱法制備納米粉體的理論基礎:結合鈰( )離子、鈰( )離子的氧化?還原電位分析,提出以兩步沉澱法來制備納米二氧化鈰。The crude product was treated with cetyl trimethyl ammonium bromide ( ctab ) in order to separate the neutral glycoprotein and the acidic glycoprotein. the optimal condition according to elisa result was : phv. o, 1 % of crude product and 3 % of ctab
本文採用季銨鹽沉澱法對粗產品進行部分純化,分離其中的中性糖蛋白和酸性糖蛋白,最佳分離方案為: ph = 7 . 0 ,樣品濃度為1 , ctab濃度為3 。Determination of particle size distribution by centrifugal liquid sedimentation methods - general principles and guidelines
用離心液體沉澱法測定顆粒尺寸分佈.一般原則和導則This paper analyzed the mechanism of precipitation floatation, discussed the technology of selective precipitation floatation, the method of sulfide precipitation floatation can treat wastewater containing heavy metal ion and reclaim valuable metals
摘要對沉澱浮選機理進行了分析,討論了選擇性沉澱浮選技術,論述了硫化沉澱浮選法不僅能處理礦山含重金屬離子廢水,同時還能回收其中的有用金屬。分享友人