預苯酸 的英文怎麼說

中文拼音 [yùběnsuān]
預苯酸 英文
prephenate
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 酸 : 酸構詞成分。
  1. Both prephenate dehydrogenase and prephenate dehydratase have been isolated from plants.

    預苯酸脫氫酶和預苯酸脫水酶都已從植物中分離出來。
  2. This pathway involves the transamination of prephenate to form pretyrosine.

    這一途徑包括預苯酸的轉氨基作用，形成預酪氨酸。
  3. 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。
  4. Hexamethylene diisocyanate (hmdi) may be used in prepolymer, in place of tdi.

    六亞甲基二異氰酸酯（HMDI）可用在預聚物中代替甲苯二異氰酸酯TDI。
  5. Gas chromatography - mass spectrometry ( gc - ms ) analyses showed that both potassium permanganate and chlorine could oxidate the organic matters with unsaturated functional groups into those with carboxyl, hydroxyl and aldehyde. and it was further revealed that after preoxidation by potassium permanganate, the sorts of organic matters were reduced remarkably, however, chlorination leaded to increase of the sorts of orgnic matters and brought some chloro - organics such as chlorobenzene, chlorophenol, and trichloro - ethane

    通過色譜-質譜聯用（ gc - ms ）評價分析了高錳酸鉀和氯對有機物結構的改變，高錳酸鉀和氯均將原水中的一些不飽和性有機物氧化分解為一些含氧基團的有機物，如羧酸類、醇類和醛等有機物，但預氯化會在水中出現一些鹵代物，鹵代產物不僅出現在苯環上，而且出現在鏈烴上。
  6. A total of 168 strains of actinomycetes, of which 23, or 13. 7 %, displaying antitumor activity, was isolated from near - shore marine samples collected at wenchang mangrove, danzhou harbor and yanpu harbor, three isolation methods were employed, which are sds pretreatment, phenol pretreatment, heating pretreatment and potassium dichronate selection culture, and various media were used

    先後從文昌紅樹林、儋州港以及洋浦港採集樣品，採用苯酚、 sds 、加熱三種樣品預處理法和添加重鉻酸鉀的選擇培養法，並選用多種培養基對這些樣品進行了具有抗腫瘤活性海洋放線菌的分離篩選。共分離到168株放線菌，其中23株具有較強的抗腫瘤活性。
  7. The surficial modification based on the free radical and the polar which was initiated by radiation. and we proceed to study the preradiation and coradiation grafting and surfacial grafting on the uhmwpe fiber under the electron beam. the grafting monomer were aa, am, st, mma. then we applied grafting ratios sem, ft - ir, dynamic wetting to represent the result of grafting

    本文分別採取預輻照和共輻照接枝方法進行了纖維輻照接枝丙烯酸、丙烯酰胺、苯乙烯、甲基丙烯酸甲酯的研究，並運用測算接枝率、 sem 、紅外光譜以及纖維浸潤性測試等方法對接枝效果進行了表徵，並據此分析了影響表面接枝效果的主要因素。
  8. Testing methods for tolylene diisocyanate type prepolymers for thermosetting urethane elastomers

    熱固性聚氨酯彈性體用甲苯二異氰酸酯預聚物的試驗方法
  9. Hexamethylene diisocyanate ( hmdi ) may be used in prepolymer, in place of tdi

    六亞甲基二異氰酸酯（ hmdi ）可用在預聚物中代替甲苯二異氰酸酯tdi 。
  10. Tdi standard test method for unreacted toluene diisocyanates in urethane prepolymers and coatings solution by gas chromatography

    氣相色譜法測定氨基甲酸酯預聚物和塗料溶液中未反應的甲苯二異氰酸酯
  11. Aldononitrile acetates and alkaline nitrobenzene oxidations were used to analyze the change of structuia1 polysaccharides and composition of lignin in 80 % ethanol - extracted rice straw treated with sodium hydroxide, ammonium bicarbonate, or urea

    摘要以氫氧化鈉、碳酸氫銨和尿素處理的稻草為研究對象，採用糖腈乙酰酯法和堿性硝基苯氧化法，分別測定了化學預處理前後稻草用80 %乙醇浸提殘渣中結構性多糖和木質素組分的變化。
  12. The uniformed design of experiment is used and the sas of software was adopted to analyze the result in order to discuss that other additives affect the tribological behaviors of tbp and tpp in the rapeseed oil. it has been found that both tbp and tpp as additives increase the load - carrying capacity and antiwear ability of the vegetable oil. and the tribological model can effectively forecasts the results of the objects so it is help to cut the costs. in addition to other additives have the capcity to affect the tribological behaviors of tbp and tpp

    利用四球機考察了磷酸三丁脂（ tbp ）和磷酸三苯脂（ tpp ）作為植物油添加劑的摩擦學性能；應用bp神經網路建立了tpp在菜籽油中的摩擦學模型；用均勻設計組織試驗， sas統計軟體分析處理數據，探討其它添加劑對tbp和tpp在菜籽油中摩擦學性能的影響。結果表明： tbp和tpp能明顯改善植物油的抗磨性並有效提高植物油承載能力；用神經網路建立的摩擦學模型能對目標樣本進行有效預測，能節省成本；其它添加劑能影響tbp和tpp在菜籽油中摩擦學性能。
  13. Plastics - basic materials for polyurethanes. determination of the free tolyylenediisocyanate content of prepolymers gas chromatography method

    聚氨基甲酸乙酯塑料基材料.預聚合物氣相色譜分析法中游離二異氰酸二苯乙烯含量的測定
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