衍 的英文怎麼說

中文拼音 [yǎn]
衍 英文
[書面語]Ⅰ動詞（開展; 發揮） spread out; develop; amplifyⅡ形容詞（多餘） redundant; superfluousⅢ名詞1. （低而平坦的土地） low and smooth land2. （山坡） hillside3. （沼澤） marsh
  1. The chloromethylation of acetanilide and its derivatives in a polyformaldehyde - hc1 system gave n - substituted products as the major product

    摘要?察了乙酰苯胺及其衍生物在多聚甲醛鹽酸體系下的氯甲基化反應，結果表明， n -氯甲基化反應的產物是主要產物。
  2. Ab initio calculations of the benzene and the benzene derivate

    苯及其衍生物的從頭計算研究
  3. The uncertainty principle can account for diffraction.

    測不準原理可以說明衍射。
  4. Petroleums and derivatives. acid number of bituminous products

    石油和衍生物.瀝青產品的酸度數值
  5. We hope that our study will provide us with more comprehensive knowledge of the mechanisms of immune regulation and the roles that dc and complement play in innate and acquired immunity, as well as to lay a foundation for further exploration of the roles dc play in antigen - specific immune responses and immune tolerance from a new perspective. part i expression of complement receptors and complement - associated molecules on dendritic cells derived from distinct - origin at different stages of development two subsets of dendritic cells were generated from precursor cells isolated by means of magnetic cell separation system

    曰補體受體及其相關分子在modc上的表達不同分化階段的單核細胞衍生性dc （ monocytes一deriveddc ， modc ）的誘導:將新鮮分離的單核細胞mo ，在含有gm一csf和工l一4培養體系中誘導5一7d ，即分化為未成熟modc ;對培養至sd的未成熟modc ，用tnfa刺激zd ，即分化為成熟modc ;此時再用lps刺激24h ，即為活化的modc 。
  6. Waxes form a continuous lipid membrance covering the epidermal cells of all aerial plant organs. it mainly comprised of lony - chain aliphatic compounds derived from very long chain fatty acids that are enlongedsfrom c16 - or c18 - long fatty acids in er by many fatty acid elongation ( fae ) complexs

    陸生植物的氣生器官的表皮覆蓋著一層由蠟質形成的脂膜，它主要由長鏈疏水物質組成的，這些物質是特長鏈脂肪酸的衍生物。
  7. Synthesis and aldose reductase inhibitory activity of - phenylmethylene - - oxo - benzenepropanoic acid derivatives

    氧代苯丙酸衍生物的合成及其醛糖還原酶抑制活性
  8. A novel protein immobilization approach for piezoelectric immunosensors based on the sam of derivative aa has been proposed, which is formed by coupling merca ptoprorionic acid ( mpa ) to alginic acid sodium salt via edc and nhs. ( 1 ) the tr antibody is immobilized via edc and nhs. comparing with the mpa sam method, this new approach shows greater frequency response and high sensitivity

    應用edc和nhs使褐藻酸鈉與胱胺偶合形成衍生褐藻酸鈉作新的自組裝材料，用於蛋白固定，應用這一新方法， （ 1 ）實現了轉鐵蛋白抗體分子的固定，並對轉鐵蛋白參考血清進行了測定，該方法可在0 . 08 25 . 7 g / ml范圍內對轉鐵蛋白進行測定。
  9. These derivatives are readily obtained by alkylation of 2-mercaptopyridine and alkyl halides under alkaline conditions.

    這些衍生物可以容易地在堿性條件下通過2-巰基吡啶和鹵代烷的烷基化而得到。
  10. Pigments and extenders. titanium dioxide. ratio of anatase to rutile by x - ray diffraction

    顏料和填料.二氧化鈦.用x -射線衍射法測定銳鈦礦和金紅石之比
  11. Test method for ratio of anatase to rutile in titanium dioxide pigments by x - ray diffraction

    X射線衍射法測定二氧化鈦顏料中銳鈦和金紅石比率的試驗方法
  12. The antibacterial activity of sulfonamide - quinoneimines

    酮衍生物的合成及抗菌活性
  13. One relatively recent technique which has found some favor involves the inclusion of soluble trivalent antimony derivatives in the slurry during mixing.

    一種比較近代的、人們好採用的技術是在混合過程中加入可溶性的三價銻衍生物。
  14. He knows how to stall off the applicants for the houses.

    他很曉得怎樣敷衍打發申請住房的人。
  15. The duke was tall, broodshouldered, aristocratic looking.

    衍聖公是個身材高大，肩膀寬闊，相貌堂堂的人。
  16. Another possible explanation for rococo genetic systems is atavism, in which some biological mechanisms revert back to an ancestral state, although presumably with modification, in a new, derived genetic background

    有關舊式遺傳學系統的另一個可能的解釋是隔代遺傳，在此過程中一些生物學機制恢復到一種原始生物才有的狀態，盡管該狀態可能會在一種新的衍生遺傳學背景下發生改變。
  17. The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated

    討論了入射角、入射方位角、入射光波長、光柵柵距、介質折射率與矩形光柵衍射級次數目間的關系。
  18. Syntheses and characterization of nonlinear optical azobenzene derivatives

    推拉電子結構非線性光學偶氮苯衍生物的合成
  19. Pandoran : a creature animated by pyros, but which has no azoth of its own. pandorans are the spawn of flux

    屍禍：以聖火活化的生物，但本身沒有水銀。屍禍是暗火的衍生體。
  20. At the same time, by analysing the effects of the informative badlands and paradox on the information process, this paper has put forward information diffraction theory and clarified the overstaffed situation in the enterprise structure caused by diffraction

    同時，本文通過分析信息孤島、信息悖論對企業信息流程的影響，提出了信息衍射理論，闡明由衍射作用造成的企業結構臃腫。
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