活性基團 的英文怎麼說

中文拼音 [huóxìngjītuán]
活性基團 英文
active group
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 團 : Ⅰ名詞1 （團子） dumpling 2 （成球形的東西） sth shaped like a ball 3 （工作或活動的集體） group; ...
  • 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
  1. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系，首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附，也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此，吸附質的表面相濃度cs具有真實濃度的含義，相應地，計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨（ dtab ）和溴代十六烷基三甲銨（ ctab ）與羊毛纖維構成的液/固體系分配系數等，為溶質吸附的熱力學研究奠定了基礎
  2. Consequently, with increasing mmt content, the tensile strength and young ' s modulus of hdpe - g - aa / mmt nanocomposites increased, while that of hdpe / mmt composites decreased. moreover, the addition of mmt to hdpe - g - aa decreased the melting temperature and the degree of crystallization of the matrix. these changes may be attributed to high interfacial adhesion between hdpe - g - aa matrix and exfoliated clay, which reduces the mobility of crystallizable pe chain segments, and subsequently reduces the crystallization ability

    研究結果表明： mmt在hdpe中不能達到納米級分散，而在hdpe - g - aa中， mmt能以插層型利剝離型的結構存在，這主要是由於極性的丙烯酸接枝在hdpe上提高了後者的極性，而且能與mmt上的活性基團進行化學反應，從而提高了pe鏈進入mmt層間的可能性，使mmt在基體中達到納米級分散。
  3. The change of agglutinating activity, cd spectrum and fls of lra in different temperature, ph and different chemicals indicated that lra had partial hemagglutinating activity at ph2. 0 ( 50 % ), a temperature above 100 ( 60 % ) and after modified by n - bromosuccinimide ( mbs ), the activity lost completely, modified by depc, the lra had a little activity, the other groups modified such as arg, tyr, glu, asp did n ' t effect the hemagglutinating activity of lra. the result indicated that trp residues were essential to the hemagglutinating activity and were involved in carbohydrate - binding site

    研究不同溫度、 ph和基團特異性化學修飾后lra凝血活性和促淋巴細胞有絲分裂的變化、圓二色譜和熒光光譜的變化，當溫度達80以上時，活性開始下降，到100時活性有60 %保留:當ph為2時，活性保留50 % ， ph為4一12對活性的影響不大;用nbs修飾trp后， t即的旦一叫睬基的破壞使活性完全喪失，表明trp對凝血活性是至關重要的， arg 、 tyr 、 glu 、 asp被修飾后， lra的凝血活性並未受到大的影響，但tyr修飾后lra的促有絲分裂活性降低
  4. Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center

    通過宏觀到微觀的分析，筆者認為，檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子，影響了二水石膏晶體的晶核長大過程；多聚磷酸鈉與鈣形成某種復鹽，對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響；骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附，使二水石膏晶體的成核和長大困難。
  5. Chloroplast phosphoprotein were first found in thylakoid membranes by bennett o the attachment or removal of a phosphate group from a protein may have profound effects on that protein ' s activities and properties, the reversible phospharylation of the membrane protein in thykaloid is a dymanic equilibrium process

    而bennett （ 1977 ）發現的類囊體膜蛋白可逆磷酸化已成為近年研究的熱點之一，蛋白質連上或是移去磷酸基團都將強烈影響蛋白質的生理活性和性質，這需要類囊體膜蛋白激酶和磷酸酯酶的參與。
  6. Professor che pioneered the chemistry of reactive ruthenium - ligand multiple bonded complexes, which he subsequently used to elucidate the mechanisms of atom and group transfer reactions with organic substrates. he discovered a series of biomimetic chemical reactions applicable to the synthesis of pharmaceuticals and fine chemicals. he also pioneered the photochemistry of phosphorescent metal complexes and synthesized, by photochemical means, novel types of reactive molecules that exhibit unique properties and reactivities unreachable by ground state molecules

    支教授創立活性釕多重鍵配合物化學並用於揭示原子和基團向有機底物轉移的反應機理開拓一系列可應用於藥物合成和精細化學品合成的仿生物化學反應創立磷光金屬配合物光化學，並利用光化學方法合成具有基態分子所無法達到的特殊性質和反應性的新穎物種。
  7. Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate

    有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性，同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點，是一類很有潛力的靈巧材料，並且可以根據目標反應的要求進行分子設計和優化篩選，在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心，可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。
  8. Diocesan organizations should provide various supports and resources to katso in tertiary institutions to encourage formation activities, for example, fcs and katso should be subsidized, diocesan organizations including church and seminary are encouraged to offer rooms and space to katso members for various functions, diocesan groups which provide youth services should take initiative to liaison with katso to organize joint programs, such as youth expedition to under - privileged districts for college students to consolidate christian belief, or, entertaining activities like youth concerts to evangelise non - catholic students and to provide catholic university students a channel to join the mission

    教區團體宜提供各類資訊予天主教同學會，以鼓勵青年培育，例如：撥款予大專天主教同學會及各屬會開放教區內各堂區及修院地方予天主教同學會用以舉辦活動。教區內關注青少年培育的團體與大專天主教同學會保持聯系，合辦活動，例如生活體驗團，讓同學體驗並反省基督徒使命，或較具娛樂性的活動，例如青年音樂會，以吸引非教友青年加入教會，同時讓天主教大專青年發揮其福傳使命。
  9. The key stage of fabricating gene chip is pretreatment of glass surface including the processes of nh3h2o treatment, aminosilane treatment and aldehyde treatment. the pretreatment can grow active group that can bind probe effectively on the surface of glass slide. as a result, the actively treated glass slide can suit for fabricating in - situ synthesis high density gene chips

    基因晶元制備技術的關鍵步驟是玻片表面預處理，即對玻片表面進行羥基化、氨基化和醛基化處理，使表面生長的活性基團能有效固定寡核苷酸探針，以滿足原位合成高密度基因晶元對玻片的要求。
  10. The chinese university of hong kong has entered into a research agreement with genius international holdings limited to develop a technique to produce bone morphogenetic proteins ( bmps ) as a therapeutic device for bone fractures and defects. the new technique will involve the utilization of recombinant dna and protein engineering technology

    香港中文大學和雅智國際集團有限公司（ geniusinternationalholdingslimited ）已達成合作協議，應用基因工程、蛋白工程及生化科學等多學科技術，開發及生產具有成骨生物活性的重組骨蛋白- 2 （ bonemorphogeneticprotein - 2 ， bmp - 2 ） ，以應用於治療骨折及骨損傷。
  11. 0 mg / 1 6ba. shoot buds were formed on subcultured pieces of callus with ms medium containing 0. 3 mg / 1 naphtaleneacetic acid ( naa ) and 2mg / 16ba. the regenerated shoots rooted readily on ms medium plus 0. 5 mg / 1 naa

    研究發現精氨酸（ arg ） 、甲硫氨酸（ met ） 、絲氨酸蘇氨酸（ ser thr ）並不是黃精凝集素生物學活性的必需基團。
  12. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明：隨著工作氣壓的減小，薄膜的晶粒尺寸有所減小；通過提高氫氣稀釋度，利用原子氫在成膜過程中起的刻蝕作用，可以穩定結晶相併去除雜相；選擇適當的熱絲距離能保證反應氣體充分分解，又使襯底具有較高的過冷度，是形成納米薄膜的重要條件；採用分步碳化法可以提高形核密度，有利於獲得高質量的納米- sic薄膜；襯底施加負偏壓可以明顯提高襯底表面的基團的活性，因負偏壓產生的離子轟擊還能造成高的表面缺陷密度，形成更多的形核位置。
  13. U2 game web is a compositive amusement and game gateway web, under powerleader ' s exploitation at the same term, which pays attention to the exchange between the game and player, exploit field of game team building, input idea of player exchange community, match with perfect economic system, and seemly tie in all kinds of product, at the same time they sustained manifold fresh network technology platform, such as voice, note, network telephone, electron balance, which is a online integrative amusement platform that gather netgame, game message, card business and chessboard game to a whole

    游途網是寶德網路同期開發的一個綜合性娛樂和游戲門戶網站，注重遊戲和與玩家的互動，開辟游戲團體活動基地，注入玩家互動社區概念，配以完善的經濟體系與各款產品的有機結合，同時支持多種最新網路技術平臺- - - - -語音、簡訊、網路電話、電子結算，是一個集網路游戲、游戲資訊、卡類交易、棋牌游戲等於一體的在線綜合游戲娛樂平臺。
  14. The result of fluorescence show that the fluorescence intensity of the surface of the treated glass slide connect with the probe immobile ratio of oligonucleotide. the more oligonucleotide probes have been linked with active group, the stronger fluorescence intensity is. for the strongest fluorescence, the technical conditions is : treatment of 2 % aminosilane of 20 minutes, treatment of 5 % aldehyde of 24 minutes, uv crosslinking of 150mj and washing of 5 minutes at 20

    兩種檢測方法表明，當活性基團呈柱狀、分佈均勻且尺寸比較大（ 200nm ）時，有利於寡核苷酸探針的連接，且連接探針數量多，玻片表面熒光強度強，固定率高；當活性基團呈錐狀、分佈及尺寸不均勻（ 150nm （ 300nm ）時，連接的寡核苷酸探針數量少，玻片表面熒光強度弱，固定率低。
  15. The surface - modified magnetic nanoparticles have been widely used in biological and biomedical areas such as immobilization of biomolecules ; separation of metal ions, cells, proteins, dna ; immunoassay, biochemical analysis and magnetic resonance imaging ( mri ) probes

    其中的殼結構既具有生物適應性，又具有可鍵合生物分子如細胞、蛋白質、酶、抗體和核酸的活性基團，而核具有磁性特性。
  16. Chitosan - nylon composite membrane with two active group ( - nh2 and - oh ) had a hydrophilic surface and good blood compatibility, so it can be widely used in affinity separation

    其中尼龍殼聚糖復合膜具有胺基和羥基兩種活性基團、良好的親水性能、較佳的血液和生物相容性，可廣泛應用於親和微濾。
  17. Silane coupling agent ( kh - 560 ) with active groups was used for the treatment on silica particles in this article. the surface of silica which was treated in the way of chemical bonds was changed from hydrophilication to amhydrophilication

    本文採用具有活性基團的硅烷偶聯劑（ kh - 560 ）對二氧化硅粒子進行了表面改性，使二氧化硅顆粒表面由親水性變為親油性。
  18. In this paper, the author introduces another experimental research on dpf regeneration, which has been conducted by spraying h2o2 into the filter. it features that the temperature at which the soot oxidizes properly by the reaction between carbon and highly active radical species generated from h _ 2o _ 2 become much lower

    本文採用了一種新的方法對柴油機微粒過濾器的再生進行了試驗研究，即利用h _ 2o _ 2分解產生的活性基團和碳煙進行反應，從而在較低的溫度下將碳煙燒掉。
  19. Evaluation of glass fiber / epoxy prepreg, aramiel fiber / epoxy prepreg and glass fiber / phenolic prepreg quality during storage was made using physicochemical analysis methods. the relation between reactive groups content in resin matrix and exposure temperature and time was studied. the changes of the mechanical properties of the composites made by the prepregs at different stages of the storage were shown

    研究了玻璃纖維環氧樹脂預浸料、芳綸纖維環氧樹脂預浸料以及玻璃纖維酚醛樹脂預浸料在儲存條件下，樹脂基體活性基團含量與儲存溫度、儲存時間的關系及對復合材料力學性能的影響，取得了預浸料體系的質量控制參數。
  20. The research discovered that the nitric acid oxidation may remarkably increase, the activated charcoal surface acidic groups and bases the content, enhances the activated charcoal the superficial water affinity, falls to the phpzc value, and creates the activated charcoal structure to cave in the reduction which accumulates with the relative surface. thus in the activated charcoal adsorption drinking water has the slight pollutant performance to have the serious influence

    研究發現:硝酸氧化可顯著增加活性炭表面酸性基團的含量，提高活性炭的表面親水性，降低phpzc （水溶液中固體表面凈電荷為零時的ph值）值，並造成活性炭結構塌陷和比表面積的減少。使活性炭吸附飲用水中有機物的能力大大降低。
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