芳族基 的英文怎麼說

中文拼音 [fāngzújī]
芳族基 英文
aromatic groups
  • 芳 : Ⅰ形容詞1. （香） fragrant; sweet-smelling2. （美好的） good （name or reputation）; virtuous Ⅱ名詞（姓氏） a surname
  • 族 : 名詞1 （家族） clan 2 （古代的一種酷刑） a death penalty in ancient china imposed on an offender ...
  1. The enzyme 5 - enolpyuvyl - 3 - phosphoshikimic acid synthase ( epsp synthase ; ec2. 5. 1. 19 ), encoded by anoa locus, is a key enzyme present in microorganisms and plants where it has a function in the biosynthesis of aromatic amino acids. glyphosate ( n - phosphonomethyl - glycine ) is an effective non - selective, broad spectrum, postemergence herbicide, which has been shown to inhibit epsp synthase activity in a competitive manner. glyphosate tolerant plants can be mediated by either overproduction of the target enzyme or by the presence of an altered enzyme

    植物和微生物芳香族氨基酸生物合成過程中的一個關鍵酶? ? 5 -烯醇丙酮莽草酸- 3 -磷酸合成酶（ epspsynthase ； ec2 . 5 . 1 . 19 ）由aroa基因編碼，該酶受廣譜滅生性、內吸傳導型除草劑草甘膦的競爭性抑制，將epsp合成酶基因轉入植物中可獲得草甘膦耐受植株。
  2. Direct alkoxylation of aromatic compounds is virtually unknown.

    事實上還不知道芳香族化合物的直接烷氧基化的方法。
  3. The nitrators used in the manufacturing of aromatic nitrocompounds consist of iron vessels.

    製造芳香族硝基化合物的硝化器為鐵制的容器。
  4. The results show that the chemosensor exhitits selective fluorescent quenching in the presence of aromatic organic acid in acetonitrile solution, and that the binding ability of the chemosensor with organic acid is in the order of p - cyanic - benzyl acid > p - chloric - benzyl acid > p - methoxyl - benzyl acid > benzyl acid

    結果表明，所合成的熒光分子在乙腈溶液中能選擇性識別芳香族有機酸，表現出熒光淬滅現象，其與有機酸絡合能力的大小依次為：對氰基苯甲酸對氯苯甲酸對甲氧基苯甲酸苯甲酸。
  5. Uses : used as desizing agent and bleach activator ； used in the oxidation and degradation of waste materials in pools and the closed and circling water ； used in modification of starch, production of bonds and coating materials ； used in the oxidation of alcohol and linalool ； used as an essential component of bleaching formulations for hair cosmetics

    用途：用於脫漿劑和漂白活性劑；用於水池及封閉循環處理水中有害物質的氧化降解；是生產澱粉的調節劑，並應用於粘合劑的塗料生產中；用於支鏈氧化、乙醇和芳香族羥基氧化；染發劑的基本成分之一，起脫色作用。
  6. Aromatic metabolites such as tryptophan, phenylalanine, tyrosine which can only be synthesized by plants and microbes are essential amino acids for human and animals

    芳香族氨基酸包括酪氨酸、苯丙氨酸和色氨酸，是人體和動物體內的必需氨基酸。
  7. Methods of test for petroleum and its products - determination of polycyclic aromatics in unused lubricating base oils and asphaltene free petroleum fractions - dimethyl sulphoxide extraction refractive index method

    石油和石油產品試驗方法.第102部分:未用的潤滑基油和不含瀝青烯的石油餾分物中多環芳香族環烴的測定.二甲硫析取物折射指數法
  8. In microorganisms and plants the first step in the aromatic acid biosynthetic pathway is the condensation of pep and e4p, with the release of the phosphate of pep and the formation of dahp

    在細菌和植物中，由公共途徑莽草酸途徑以及三個專一性途徑分別合成苯丙氨酸、酪氨酸和色氨酸三種芳香族氨基酸。
  9. The common biosynthesis pathway of aromatic amino acids includes seven steps from dahp to chorismate acid. for the common pathway, 3 - dehydroquinate ( dhq ) synthase ( encoded by arob ), 5 - enolpyruv - oylshikimate s - phosphate ( epsp ) synthase ( encoded by aroa ), and chorisma - te synthase ( encoded by aroc ] are rate - limiting enzymes

    芳香族氨基酸的合成步驟有七步是共同的，亦即從dahp到分支酸的合成步驟，其中脫氫奎寧酸合成酶（ arob ） 、 5 -烯醇式丙酮酰莽草酸合成酶（ aroa ）和分支酸合成酶（ aroc ）是此代謝途徑的關鍵酶。
  10. Chorismate acid is branch point in aromatic amino acids biosynthesis, related to phenylalanine, bifunctional enzymes chorismate mutase / prephenate dehydratase ( encoded by phea ) is rate - limiting enzyme

    分支酸是芳香族氨基酸合成途徑的分支點，與苯丙氨酸合成有關，雙功能酶分支酸變位酶-預苯酸脫水酶（ phea基因編碼）是關鍵酶。
  11. The fluorescence spectra of the conjugationed polymer containing of n - ( a - naphthyl ) carbazole show that the emission sprctra in aromatic solvents are more red - shifted than that in aliphatic solvents although these solvents have the same polarity. the fluorescence chatacteristics were different from th e n - ( a - naphthyl ) carbazole ' s. the fluorescence of the conjugationed polymer can be quenched by electron donors and cm and cannot be quenched by electron acceptors

    對含有n - （ -荼基）咔唑基團的共軛高聚物，它在芳香族溶劑中的熒光發射比非芳香族溶劑中明顯紅移，也不具有n - （ -萘基）咔唑單元所具有的分子內電荷轉移特性，它的熒光只能被電子給體和c _ （ 60 ）猝滅而不能被一般的電子受體猝滅。
  12. So it has increasing commercial demand. escherichia coli and many other microoganism synthesize aromatic amino acids through the condensation reaction between phosphoenolpyru vate ( pep ) and erythrose - 4 - phosphate ( e4p ) to form 3 - deoxy - d - arabinohep tulosonate 7 - phosphate ( dahp ). pep and e4p are limiting substrates for formation of dahp

    大腸桿菌和許多微生物一樣，其合成芳香族氨基酸的起始物是由磷酸烯醇式丙酮酸（ pep ）和4 -磷酸赤癬糖（ e4p ）二者縮合形成的3 -脫氧- -阿拉伯庚酮糖酸- 7 -磷酸（ dahp ） 。
  13. The inclusion behaviors of b - cyclodextrin with some aromatic amino acids such as l - phenylalanine, l - tyrosine and l - tryptophan were studied via ultraviolet and fluorescent spectrometry. the results indicated that inclusion complexes of - cyclodextrin with aromatic amino acids could be formed and the inclusion behaviors were affected by the amount of - cyclodextrin, temperature and ph value

    本文研究了?環糊精與芳香族氨基酸l ?苯丙氨酸、 l ?酪氨酸和l ?色氨酸之間的包合作用，考察了?環糊精用量、溫度、時間和ph值等因素對包合作用的影響。
  14. The 1 : 1 inclusion complexes of - cyclodextrin with phenylalanine and tyrosine were formed ; but 2 : 1 complex was afford from - cyclodextrin with tryptophan owing to the various sites and chaps of different amino acids. the inclusion behaviors of - cyclodextrin and its polylactide - garfted copolymer with insulin were also studied via ultraviolet and fluorescent spectrometry

    隨著?環糊精用量的增加和作用時間的延長， ?壞糊精對芳香族氨基酸的包合作用增強，揭示了?環糊精與芳香族氨基酸包合物在水溶液中的形成是一動態平衡過程。
  15. The application and general synthetic technology of aromatic amine was introduced in this paper briefly the technical and economical review was emphased, and suggestionsahe election of reducional methods were put forward

    本文簡要敘述了芳胺用途、常用合成工藝，重點對各生產工藝進行了技術、經濟評析，並對芳香族硝基化合物還原方法的選擇提出了自己的看法。
  16. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的最優化和整體調控基因csra的敲除正是上述改變的分子基礎，同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首次實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達，所構建的重組質粒ptga ，其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 ， 5 、 4 、 2 . 3倍，且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中，搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉化率率，分別為0 . 448 %和22 . 4 % 。
  17. The product chorismate of this pathway is precursor to the synthesis of the aromatic amino acids phenylalanine, tyrosine, and tryptophan as well as other essential aromatic secondary metabolites such as ubiquinone, menaquinone and vitamin k. phosphoenolpyruvate and shikimate 3 - phophate are converted to 5 - enolpyruvlshimimate - 3 - phosphate and phosphate

    芳香族氨基酸苯丙氨酸、酪氨酸、色氨酸和其它一些必需代謝物如泛醌、維生素k2類、維生素k的起始物是莽草酸途徑所產生的分枝酸。
  18. Advance of biodegradation mechanism of aromatic nitro - group compounds

    芳香族硝基化合物生物降解代謝研究現狀與展望
  19. Test method for polyurethane raw materials : determination of acidity in low acidity aromatic isocyanates and polyurethane prepolymers

    聚氨基甲酸乙酯原材料試驗方法:低酸性芳族異氰酸鹽酯和聚氨基甲酸乙酯預聚物酸度的測定
  20. Materials for interconnection structures - sectional specification set for reinforced base materials, clad and unclad - epoxide non - woven aramid laminate of defined flammability, copper - clad - epoxide non woven aramid laminate of defined flammability, copper - clad

    互聯結構材料.包被和非包被增強基材分規范集.阻燃型銅包被芳族聚酰胺層壓板材
分享友人
分享到 Line

分享到臉書