沉澱凝膠化 的英文怎麼說
中文拼音 [chéndiànníngjiāohuà]
沉澱凝膠化
英文
precipitation gelation- 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...
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 膠 : Ⅰ名詞1 (某些具有黏性的物質) glue; gum 2 (橡膠) rubber 3 (姓氏) a surname Ⅱ動詞(用膠粘) st...
- 沉澱 : 1 (沉澱過程中析出的物質) sediment; precipitate; sedimentary accretion; precipitation; (doposit...
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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。Medium experiments were arranged under uniform design, and then an optimum medium was got accordingly. the culture liquid was centrifugalized at 3, 500r / min for 30min, then ammonium sulfate was added into the supernatant to a final concentration of 30 % to precipitate the others
通過硫酸銨分級沉澱、 deaesephadexa - 50陰離子交換凝膠層析和sephadexg - 75凝膠柱層析對發酵液進行分離和純化,並得到電泳純的酶。For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability
研究表明,採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和比表面積,但經高溫老化后,其儲氧量急劇下降,表現出很差的抗高溫老化性能;採用沉澱法制備的樣品在老化前後,其儲氧量和比表面積降幅最小,有良好的高溫熱穩定性能;採用浸漬法制備的樣品不管老化與否,其儲氧量並不隨著儲氧溫度的改變而大起大落,表現出較好的熱穩定性。Purification and characterization of phytase from a. niger an 01001 a. niger an01001 was inoculated on solid media and cultivated at 30 for 5 days. proteins were extracted from solid - state fermentation with 50mm acetate buffer ( ph5. 5 ). the molecule weight of the phytase protein was determined as about 78kd by sds - page. the purification procedures include ammonium sulfate precipitation, deae - cellulose ion - exchange chromatography, gel electrophoresis and electroelution
3 .植酸酶的分離純化及其性質研究黑麴黴ano1001經固體發酵,用緩沖液抽提后,經硫酸按沉澱, deae一纖維素離子交換層析,聚丙烯酞胺凝膠電泳和電洗脫等純化步驟獲得的植酸酶,用sds一page檢測為一條均一譜帶,其分子量約為78kd 。It is shown that the liquid phase methods, in which particularly methods of the sol - gel, deposition, micro - lacteous, hydrothermal / solvothermal reaction and hydrolyze, should be mentioned, as the most wildly used method in the present
指出液相法,尤其是溶膠凝膠法、沉澱法、水解法、微乳液法、水熱溶劑熱法等是目前制備納米金屬氧化物材料最廣泛應用的方法。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 。An active metabolite was obtained by purification with precipitated by ethanol, sephadex g - 25 gel, deae - cellulose ion exchange resin and silica gel column chromatography
經乙醇( 95 )沉澱、 sephadexg - 25凝膠層析、 deae -纖維素離子交換層析和硅膠層析純化,得到抑制黑麴黴生長的單一組分。Lukang ? gel of proper density in water based system can adhesion and suspension powder materiel ( such as pigment, medicine and talcum powder etc. ), stabilize suspension liquid, prevent suspended material sediment and harden, make suspension liquid even, bright - colored, convenience, easy spraying, and unaffected by outside force and time
適當濃度的綠康凝膠在水性體系中可粘合、懸浮粉狀物料(如:顏料、藥物、滑石粉等) ,穩定懸浮液,防止已懸浮物質的沉澱積合、硬化,使懸浮液質地均勻,色澤艷麗,使用方便,噴霧更加容易,且不受外力、時間影響。The process affect factors of synthesizing the new fine material tricobalt tetraoxide particles were discussed, such as temperature, the solution ph, revolution of stirrer, maturing time, washing water times, drying condition, the color change of process, were discussed, its formation mechanism and structures were systematically studied and discussed, tested the fine particles, the xrd test showed that the peaks became wide
經試驗獲得均勻凝膠沉澱法新技術優化后的工藝參數為:反應溫度控制為273 . 15k左右, ph值為9 . 0 - 9 . 5之間,攪拌轉數為300轉/分,陳化時間24hr以上,水洗去除雜質,按溫度分步烘乾。Two series of catalysts were preparated by co - deposition and sol - gel methods each. and each serie of catalysts was analysed by xrd spectrums, and was preparated to be air electrode with the optioned compoundings and manufacturing process. the cathode polarization curves were elementarily studied
實驗還利用共沉澱和溶膠凝膠法合成了兩類催化劑,分析了其xrd譜圖,利用優化過的配方和工藝制備了空氣電極,初步研究了其極化曲線,並對其中最好的催化層進行了sem觀察。Preparation methods for au catalysts, such as deposition - precipitation, sol - gel and polymers - protection methods, were described, as well as their application in hydrodechlorination and hydrodesulfurization
重點論述了沉積沉澱法、溶膠凝膠法和聚合物保護法等催化劑的制備方法以及在加氫脫氯、加氫脫硫等領域中的應用,並對金催化劑的進一步研究提出看法。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。The brine shrimp he was prepared and purified by 67 % ammonium sulfate precipitation, deae - sepharose fast flow ion - exchange chromatography, and sephacryl column gel - filtration, and its biochemical and enzymological properties were identified in this study. it was found that the deduced molecular weight of he in sds - page is about 98. 5 kda, and its proteolytic activity was optimized at ph of 7. 5 - 8. 5 and at temperature of 40, respectively
我們利用67硫酸銨沉澱、 deae - sepharosefastflow陰離子交換柱層析和sephacryl凝膠過濾柱層析,並以酪蛋白為其蛋白酶水解活性的檢測底物、以卵膜為其卵殼裂解活性的特異性底物,從鹵蟲胚胎孵化液中分離純化出了鹵蟲的孵化酶分子,其在sds - page電泳中的分子量約為98 . 5kda 。3. the extracellular phb depolymerase was purified from 09 by using hydrophobic column chromatography and gel filtration technique in sephadex g - 100. the specific activity of the purified enzyme was increased by 37. 9 folds over crude extract, and the recovery yield was 8. 9 %
以粗酶液為起始,經硫酸銨分級沉澱、 sephadexg - 100凝膠過濾后,分離純化了該酶,純化倍數約為37 . 9 ,酶活力回收率8 . 9 。The synthesis process of single - wall carbon nanotubes ( swnts ) by catalytically chemical vapor deposition ( ccvd ) was investigated and the product was characterized with transmission electron microscopy ( tem ), electron diffraction ( ed ), electron dispersive spectra ( eds ) and raman scattering spectra etc. pyrolysis of methane over solid catalysts prepared with impregnation, ion - adsorption precipitation, and sol - gel technique can all lead to the growth of swnts
本文研究了單壁納米碳管的化學氣相沉積法( cvd )制備工藝,並運用透射電子顯微鏡( tem ) 、 x - ray能譜( eds )與喇曼( raman )光譜等分析手段,對產物及催化劑進行了表徵。採用浸漬法、吸附沉澱法與溶膠凝膠法等制備了催化劑,併合成了單壁納米碳管。Nanocrystalline cerium ( iv ) oxide ( ceo2 ) powders were prepared by means of different methods, sol - gel method, precipitation method and electrochemical method. the powders were analyzed by using x - ray diffraction ( xrd ) and transmission electron micrograph ( tem ). ceo2 powders in different ways were compared from shape of particles and preparation technics
本文主要採用液相法中的溶膠-凝膠法、均勻沉澱法和電化學法制備了ceo _ 2納米粉體,通過x -衍射、透射電子顯微鏡等手段對所制備的納米粒子進行了表徵,並從粒子的形態及制備工藝上進行了比較。分享友人