生化選擇性 的英文怎麼說

中文拼音 [shēnghuàxuǎnzháixìng]
生化選擇性 英文
biochemical selectivity
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 生化 : biochemistry
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. The lipase b from candida antarctica ( cal - b ) displays high enantioselectivity on a broad range of substrates, making it an accepted biocatalyst for asymmetric organic chemistry

    摘要從南極假絲酵母中提取的脂肪酶b ，具有較高的對應異構體選擇性，廣泛應用在培養基中，作為不對稱有機化學的生物催化劑。
  2. These years we have developed strongly acidic macroreticular catalysts based on styrene dvb. catalyst resin d006 for mtbe tame etbe, also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification. d008 for sba ipa, also can be used for making methyl ethyl ketone by acetone one - stepping process, tert - butanol by isobutene hydration, etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol, high

    以上，增強了催化活性，從而延長了使用壽命，提高了周期產量二低溫活性好，選擇性強，提高了mtbe的純度，降低了雜質含量三在同樣裝置中，可增大負荷，提高產量，降低生產成本和費用。
  3. Many microorganisms synthesize and excrete compounds which are selectively toxic to other microorganisms.

    許多微生物能合成並分泌一些對其它微生物具選擇性毒力的化合物。
  4. Abstract : the principal development of the study on chemical conversion of nitrogroup derivatives for the toluene was summarized at first based on this review, described herewith are reaction mechanisms and effects substituents and concluded four methods about sclcctive oxidation of nitrotoluene

    文摘:在這篇文章中，首先綜述了甲苯硝基衍生物研究的進展，根據這一評論詳細地說明了化學轉化機理和取代基效應，並對硝基甲苯的選擇性氧化進行了簡單評述。
  5. Cyanopyridine, intermediate of rimifon, was synthesized from 4 - picoline using vanadium oxide as a catalyst in fixed - bed reactor, reached 99 % conversion of 4 - picoline, 88 % selectivity and 87. 12 % yield of 4 - cyanopyridine

    以4 -甲基吡啶為原料，在固定床反應器中通過含氧化釩的催化劑發生氣固相接觸氨氧化反應制備雷米封中間體4 -氰基吡啶， 4 -甲基吡啶的轉化率為99 % ， 4 -氰基吡啶的選擇性為88 % ，收率為87 . 12 % 。
  6. This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected

    本研究以蛋白質分子設計的理論和方法研究避孕疫苗，將sp17和cyritestin關鍵表位和牛核糖核酸酶非選擇性th細胞表位合理組合，獲得新抗原- 35肽序列；並在合成、純化後分別與弗氏佐劑、免疫刺激復合物（ iscoms ）混合后免疫不同遺傳背景的雌性小鼠，觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠重要臟器的組織病理學改變：以及在ivf下，新抗原的特異性抗血清對精卵相互作用的影響及抗原在精子表面的特異性定位。
  7. Apoptin ( vp, ) can selectively induce apoptosis in human transformed and malignant cells but not in normal diploid cells. apoptin induces a p53 - independent, bcl - 2 - insensitive type of apoptosis in various human tumor cells

    其中， vp _ 3蛋白質是雞貧血病毒的致病因子，能選擇性的誘導腫瘤細胞和轉化細胞發生凋亡，但對人和鼠的正常二倍體細胞無影響，稱為凋亡素（ apoptin ） 。
  8. Electrochemiluminescence ( ecl ) is a technique that combines chemiluminescence ( cl ) and electrochemistry ( ec ). the cl reaction was initiated by an electrochemical reaction at electrode surface. such an electro - initiation reaction introduces a large number of additional advantages, such as high sensitivity and selectivity, rapid and convenient operation and relatively simple instrumentation system

    它將電化學技術與化學發光檢測結合起來，彌補了電化學方法和化學發光方法的不足，具有靈敏度高、選擇性好、動力學范圍寬、檢測快速方便、儀器價格便宜等優點，近幾年來在分析化學，尤其在生物分析領域引起了人們的極大關注。
  9. Beyond generating customized catalysts, these studies have helped to elucidate the enzyme ' s structure - function relationship and illuminate its enantioselectivity

    這些工程不但生產出了指定的催化劑，還有助於闡明酶的結構作用關系，並且有助於說明這些酶的對應異構體選擇性。
  10. Moreover, hrtem observations indicate that the process is very selective : even in apparently homogenous illite or i / s, some crystals went opening and some remain unchanged. and the replacement of k cations by alkylammonium cations is not restricted to crystal edges, but extends to entire interlayer. the above facts are the basis of alkylammonium cations method applied to the diagenetic age of sedimentary rock

    Iaa法是以沉積巖的粒度?年齡譜為基礎的，利用這種方法可以獲得同一樣品不同粒級伊利石的年齡，隨著粒級的減小，樣品的年齡也減小，當碎屑伊利石的含量趨于零時，可以得到自生伊利石的成巖年齡；烷基胺陽離子取代法是一種化學方法，利用烷基胺陽離子的選擇性替代性，可以去除碎屑伊利石成分中的k離子，從而能夠獲得自生伊利石的年齡。
  11. The results showed that in scco2 cyclotrimerization of terminal acetylenes was carried out smoothly to regioselectively afford the corresponding benzene derivaties using pdbr2 as the catalyst

    研究結果表明：二氧化碳介質中使用溴化鈀為催化劑可以順利地催化炔烴發生環三聚反應，區域選擇性生成含苯環芳香族化合物。
  12. According to the causes to the five types of entropy produces ( component entropy, structural entropy, functional entropy, time entropy and environmental entropy ) we can get that a city with the aim to sustainable development should act as follows : keeping far from equilibrium, enhancing the communication with the outside world, keeping positive reaction to changes, promoting dynamic cooperation and amplifying fluctuation selectively

    根據城市五種形式熵產生（組分熵、結構熵、功能熵、合時熵與環境熵）的原因可以得出，一個可持續發展的城市應努力做到以下四點：保持非平衡狀態，增強與外界的交流；積極應對變化；推動動態協作；選擇性地放大漲落。
  13. The grazing of david ' s deer to p. virdis ( l. ) beauv. varied between different seasons, greatly producing differences of the proportion and biomass of plant communities accordingly

    麋鹿對狼尾草的取食具有季節選擇性的特點，這很大程度上影響了目前棲息地的植物群落組成結構及各種植物的生物量比例隨季節的變化。
  14. Reversed micellar extraction was relatively new separation technique which could provide high selectivity and make less inactivation of enzyme, thus being highly potential for recovery and purification of bioactive products

    摘要反膠束萃取是一項新的分離技術，不僅具有高選擇性，而且不易使酶蛋白失活，在提取純化生物活性物質方面具有巨大的工業應用潛力。
  15. In a cell of biofilm reactor for whole - run nitrification, chlorine was added to achieve the selective inhibition to two kinds of bacteria in nitrification

    摘要以穩定運行的全程硝化的生物膜反應器的一個反應單元為研究對象，通過外加氯實現對硝化反應中兩類細菌的選擇性抑制。
  16. For stationary sources, meca members include manufacturers of selective catalytic reduction ( scr ) systems, non - selective catalytic reduction ( nscr ) systems, diesel particulate filters, and catalytic oxidation systems

    關于固定源，成員為選擇性催化還原系統、非選擇性催化還原系統製造企業，柴油顆粒過濾器、催化氧化系統生產商等。
  17. A process for preparing m - dichlorobenzene by atmospheric selective transfer reaction of p - dichlorobenzene in the presence of alcl3 and h2o is described. effect of selectivity of the reaction is discussed. the best technological conditions are determined

    闡述了常壓下對二氯苯在催化劑無水三氯化鋁及助催化劑水的存在下發生轉位反應，高選擇地制取間二氯苯的工藝過程；討論了影響產物選擇性的有關因素，確定出適宜的工藝條件。
  18. The aim of this study is to investigate theoretically the possibility for activation of small mammalian myelinated nerve fibers without activating larger ones when stimulating a nerve fiber bundle with a monopolar point electrode using biphasic pulses, which can reduce the electrochemical damage resulted from stimulation pulses to nerve fibers. a simulation system for studying the electrical properties of mammalian myelinated nerve fibers was built based on a simple infinite and homogeneous volume conductor model. by use of an asymmetric but charge - balanced stimulation waveform, the sensitivity of excitation and blocking threshold of nerve fibers to fiber diameter, electrode - fiber distance was calculated. the results show that selective activation of small mammalian myelinated fibers may be possible in a region at some distance from the electrode using biphasic pulses

    本研究的目的是要從理論上探討利用單電極雙向脈沖刺激實現哺乳動物神經纖維選擇性刺激， （即當刺激一束神經時，不興奮粗神經而興奮細神經）的可能性.雙向脈沖刺激可以降低刺激脈沖對神經纖維產生的電化學損傷.為研究哺乳動物有髓神經纖維的電特性，建立了一個基於簡單的無窮大、各向同性的容積導體模型的模擬系統.利用該模擬系統，採用「不對稱但電荷平衡」的雙向脈沖刺激，計算了神經纖維的興奮和阻斷閾值與纖維直徑、纖維-電極間距離的關系.結果表明：在距電極一定距離內採用該雙向脈沖刺激模式確實可以實現哺乳動物有髓神經纖維的選擇性興奮
  19. This paper, therefore, is of the opinion that a multilevel system that combines both testing and other forms of alternative assessment should be established

    所以，筆者認為，我們應當建立一套多層次的評估體系，在教學中綜合使用標準化測試與各種選擇性評估手段，以期更有效地提高學生的學習成績。
  20. The research showed that their interactions in yeast two - hybrid system are still steady when the vector was exchanged, in contrast, the interaction was disappear when the reading frame of each positive had been changed. the four positives were subcloned into suicide plasmid so that gene mutant strains could be constructed via conjugation and homologous recombination

    為了進一步驗證這些克隆的編碼產物與nifa蛋白的相互作用，將它們與nifa基因互換載體后共轉化酵母，仍然可以激活三個報告基因的表達，而陽性克隆移碼表達的重組質粒和pgbd - nifa的共轉化物則不能在選擇性平板上生長。
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