等電沉澱 的英文怎麼說
中文拼音 [děngdiànchéndiàn]
等電沉澱
英文
isoelectric precipitation- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 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...
- 沉澱 : 1 (沉澱過程中析出的物質) sediment; precipitate; sedimentary accretion; precipitation; (doposit...
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The dependence of oxygen precipitation and induced - defects in heavily as - doped silicon on heat treatment process was studied by annealing and ig process, chemical etching, scanning electron micrograph ( sem ) and transmission electron microscopy ( tem ). a developed ig technique was suggested and the mechanism of the influence of as on oxygen precipitation formation in heavily as - doped silicon was discussed
本文通過化學腐蝕、光學顯微鏡、掃描電鏡( sem ) 、透射電境( tem )等分析技術,對重摻砷硅單晶在單步退火工藝和內吸雜退火工藝中氧沉澱及誘生缺陷的形態,形核與熱處理溫度、時間的關系等進行了研究。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 。X - ray diffraction spectrum, empa methods and several tests including mechanical properties, electrochemistry, corrosion wear, on - site plate hanging, the microstructure of steel has been observed and analyzed, performance has been studied, and corrosion - abrasion, fragility mechanism, and microalloy application in ferritic stainless steel have been explored comprehensively. the test results of electrochemistry, corrosion wear and on - site plate hanging have been analyzed. the analytical result shows that crsomo has enough corrosion resistance in phosphoric acid slurry because it has high chromium and low carbon
通過實驗室的電化學試驗、腐蝕磨損試驗和磷肥廠的現場掛片試驗結果分析,表明: cr30mo鐵素體不銹鋼高鉻低碳的配合,保證其在磷酸料漿中具有足夠的耐蝕性: cr30mo中( fe , cr ) _ 23c _ 6 、 ( fe , cr ) _ 7c _ 3 、 mo _ 2c 、等碳化物硬質點從基體的彌散沉澱析出可提高鋼的硬度和耐磨性,使得鋼在磷酸料漿中具有良好的耐磨蝕效果。- acetolactate decarboxylase are widely found among bacterial strains but not in other groups of organisms. the enzyme has been demonstrated to be effective for removal of acetolactate and widely used in beer product. in this paper, - acetolactate decarboxylase from bacillus subtilis was purifed to homogeneity from cell extract by ammonium sulfate - fractionation, heat treatment, deae - sepharose fast flow column chromatography
本文對來源於枯草芽孢桿菌( bacillussubtilis ) 3226 - 5的-乙酰乳酸脫羧酶經硫酸銨分級沉澱、熱處理、 deae - sepharosefastflow離子交換柱層析等分離純化步驟,得到sds - paeg電泳純,通過n末端氨基酸序列分析驗證酶蛋白的純度。The results from sds - page presented that there were three female specific protein subunits with molecular weights of 123 kd, 120 kd and 91 kd, respectively. we can conclude the higher molecular compose of two subunits ; the results from two dimension electrophoresis showed the isoelectric points of two female - specific spots with molecular weight of about 120kd were 5. 5 and 5. 7. immunodiffusion reactions demonstrated that vg existed both in female fat body and hemolymph, which as vn was deposited in the ovary, while not in the male
Page電泳結果表明:麗蠅蛹集金小蜂明顯存在2條雌特異性帶-卵黃蛋白,分子量分別為181kd和136kd ; sds - page電泳分析:存在3條雌特異性帶,其分子量為123kd 、 120kd和91kd ,由此,可推定卵黃原蛋白( vitellogenin , vg )和卵黃磷蛋白( vitellin , vn )由2個蛋白組成,其中分子量較大的蛋白由2個亞基組成;雙向電泳結果顯示,在120kd附近有兩個特異性點,其等電點為5 . 5和5 . 7 ;雙擴散表明,麗蠅蛹集金小蜂卵黃磷蛋白的抗血清與雌隱成蟲蟲體、脂肪體、血淋巴和卵巢勻漿液均有免疫沉澱反應,而與雄蜂血淋巴無免疫反應,說明了vg與vn具有免疫同源性,是雌特異性蛋白,且由脂肪體合成。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 。Office equipment, such as photocopying machines, laser printers, fax machines, computer terminals, air purifiers operating on electrostatic precipitation and ultraviolet equipment, are the main sources of indoor ozone
室內臭氧的主要來源是文儀器材,例如影印機、激光電腦印表機、圖文傳真機、電腦終端機、採用靜電沉澱原理技術的空氣清新機,以及有紫外光的儀器等。The electronic properties of hg _ ( 1 - x ) mn _ ( x ) te are dominated by defects, including native point defects ( vacancies, interstitials, antisites, and complexes ), extended defects ( all types of dislocations, grain boundaries, precipitates, melt spots, etc. ), and undesired impurities
Hg _ ( 1 - x ) mn _ xte晶體的電學性能受缺陷的影響很大。晶體的缺陷主要有:原生點缺陷(空位、間隙原子、反位原子和復合體) 、擴散缺陷(各種位錯、晶界、沉澱相、低熔點相等)以及一些雜質。Abstract : in this paper the synthesis methods of silver nanostructure materials, such as nanocubes, triangular nanoprisms, nanorods, nanowires, nanotubes, dentrites, flake, nanodisks, nanobelts, and so on, were introduced, the methods include reducing precipitation, photoinduced conversion, irradiation reduction, electrodeposition, template, microwave - assisted, ultrasonic - assisted, hydrothermal assemble, microemulsion, and so on
摘要:介紹了納米立方體、三角形納米稜柱、納米棒、納米線、納米管、樹枝狀、片狀、納米盤、納米帶等納米結構銀的制備方法,包括溶液還原沉澱法、光誘導轉化法、輻射還原法、電化學沉積法、模板法、微波或超聲波輔助法、水熱法、微乳液法等。The reasons of the precipitate cover the following factors : the addition of small quantity of electrolyte in the production, the mixture of two kinds of colloidal solution of opposite electric charge, and heating which would accelerate colloid coagulation and damage liquor stability
生產過程加入少量電解質、兩種帶相反電荷膠體溶液混合及加熱等是加速白酒膠體聚沉、破壞白酒穩定性,產生沉澱的原因。In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received
採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 ( 0 < x 1 / 2 )層狀固溶體系列,綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響,確定出了最佳合成工藝:以硝酸鋰為鋰源,超聲波作為分散動力源,鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 , 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳,在2 . 8 ~ 4 . 40v之間, 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。In chapter two, theories and methods of scale economy, scope economy, the cost precipitates, network hustle are used to analyze systematically technical and economic characteristics of power industry, especially nature monopolization and commonality goods characteristics that directly influence electric market structure
第二章運用規模經濟、范圍經濟、成本沉澱性、網路擁擠性等理論方法系統地分析了電力產業的技術經濟特徵,尤其是直接影響電力市場結構的自然壟斷性和公共物品性。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。Compared with untreated graphite under the same condition, the surface electric potential of treated graphite changes in part, but unlike a1 ( oh ) 3, the oxidation ratio decreases 10 % when a1 ( oh ) 3 / graphite ( wt % ) = 10, and the wetting angle of treated graphite hold the line, namely the wetting ability is not improved. contrasted with the hydrolyze coating way, the deposition coating way has simple technical process, lower cost, and its disadvantage, for instance, coat layer distributes unevenly, the wetting ability is not improved. furthermore, the effect of treated graphite applied in mgo - c castables are investigated
經沉澱法改性后,石墨的表面電性發生了一定的變化,其等電點從2 3變為7 8 ,但與al ( oh ) _ 3的等電點( 8 9 )存在一定的差異;接觸角測定結果則表明,經沉澱法改性后,石墨與水的接觸角並沒有改變,即改性石墨與水的潤濕性沒有明顯改善;當al ( oh ) _ 3石墨( wt ) = 10時,改性石墨的氧化失重率比未改性石墨下降了約10 ,這說明經沉澱法改性后,石墨的抗氧化性得到了一定的改善。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。During the fabrication or service, if the applied tensile stresses exceed the probabilistic tensile strength of silicon, then failure will occur. even a tiny crack will bring tremendous damage to devices and circuits. especially nowadays, with the increasing of silicon wafer diameter, warpage in heat treatment, defects and dislocations generated in silicon often become critical problems in ulsi devices fabrication
特別在大規模集成電路與器件生產中,一個微小的裂紋就可能導致后道工序中電路與器件的完全損壞;而且在熱處理過程引起的翹曲,使光刻精度下降;在矽片內部產生的氧沉澱及位錯等缺陷,會導致集成電路或器件的漏電流增加,使器件失效。In this dissertation, jurkat cells, hela cells and mouse spleen t lymphocytes were chosen as experimental materials to answer the question. with the aid of various techniques such as elisa, immuno - co - precipitation, indirect immunofluoresent co - localization, double - labeling immunoelectron microscopy and so on, the relationships of baf complex with nf1 / ctf and rna polymerase ii were careful observed and analyzed
本文以jurkat細胞、 hela細胞和小鼠脾t淋巴細胞為研究材料,通過酶聯免疫吸附實驗( elisa ) 、免疫共沉澱、免疫熒光共定位和免疫電鏡雙標記等實驗,觀察和分析了baf復合物與轉錄因子nf1 ctf和rna聚合酶在基因轉錄活動中的相互聯系。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。Added rhizobia increased the amount of negative charge and metallo - ion specific adsorbing sites of solid compositions such as mn oxides and organic matter etc. the influences of adsorbing rhizobia by soil on the speciation of heavy metal varied with the metal and the soil and were closely related to the mechanisms of metal fixation by soils
土壤吸附根瘤菌后負電荷量增加,某些組分如氧化錳和有機質等吸附重金屬的專性吸附位點有所增加。土壤吸附根瘤菌對土壤中重金屬的形態影響隨重金屬種類和土壤類型而不同,與重金屬在土壤中的吸持機制有直接關系,當重金屬以沉澱機制為主被土壤吸持時,其形態分佈受根瘤菌的影響不顯著。分享友人