derivatives 中文意思是什麼

derivatives 解釋
導數
  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. Petroleums and derivatives. acid number of bituminous products

    石油和衍生物.瀝青產品的酸度數值
  3. Synthesis and biological study of isopropanol derivatives as - adrenergic blocking agent

    受體阻斷劑的合成及生物活性研究
  4. 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
  5. 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。
  6. This course consists of several major parts, such as vectors and analytic geometry, derivatives, integration and series

    課程內容包括空間解析幾何與向量代數、多元函數微分學、多元函數積分學和無窮級數等幾大板塊。
  7. This course consists of several major parts, such as ordinary differential equation, vectors and analytic geometry, derivatives, integration and series

    課程內容包括常微分方程、空間解析幾何與向量代數、多元函數微分學、多元函數積分學和無窮級數等幾大板塊。
  8. Products include derivatives of anisole, methoxybenzene, acetyl chloride, and benzoyl chloride

    -專業生產染料，顏料，農藥，醫藥中間體
  9. Artemisinin was originally isolated from artemisia annua, a herb used as the ancient chinese herbal remedy. artemisinin and its derivatives are new types of antimalarial with stable endoperoxide bridges differing from others, for instance chloroquine

    青蒿素類藥物是一種與已知抗瘧藥如氯喹等完全不同的新型化合物。大量藥理及臨床研究證明青蒿素類藥物是優于氯喹的抗瘧新藥，具有速效、低毒、高效等特點。
  10. Now qinghaosu and some of it ' s derivatives are being used around the world as effective new antimalarial drugs in the fight against falciparum malaria, including multi - drug - resistant plasmodium falciparum. in addition, recent studies also indicate that some qinghaosu derivatives have other bioactivities, including antiparasitic and anticancer activities

    國內外大量理化試驗、藥理研究和臨床應用表明青蒿素是抗瘧的有效成分，認為青蒿素的發現是抗瘧史上的重大突破，最近，美國和歐洲的一些實驗室研究表明青蒿素還具有抗癌的活性。
  11. 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。
  12. In order to design the autopilot for a rear controlled missile we must make a first estimate of the required aerodynamic derivatives.

    為了設計尾部控制導彈的自動駕駛儀，我們必須首先估算一下所需要的氣動力導數。
  13. 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
  14. The damping derivatives can only be determined experimentally in the wind tunnel or ballistic range.

    阻尼導數只能用風洞或彈道試驗來確定。
  15. Theoretical study on molecular nonlinear optical properties of barbituric acid derivatives

    巴比妥酸衍生物分子非線性光學性質的理論研究
  16. Study on electronic spectra and second - order nonlinear optical property of substituted 60 fulleropyrrolo barbituric acid derivatives

    取代螺旋共軛化合物非線性光學性質的理論研究
  17. Theoretical studies on electronic spectra and second - order nonlinear optical properties of aniline substituted barbituric acid derivatives

    系列新推拉型多環共軛分子二階非線性光學性質的理論研究
  18. Fine - chemical producer in china specializing in brominated organics and silane derivatives, also offering several miscellaneous products

    -是以中間體的科研，生產和貿易為一體的高新技術企業。
  19. Derivatives of bromine are much more active than the corresponding one of chlorine.

    溴的衍生物的活性要比相應的氯的衍生物大得多。
  20. Four donor - acceptor conjugated carbazole derivatives for two - photon absorption optics were designed and synthesized. the spectral characteristics and the structure - activity relationship were investigated

    摘要設計、合成了四個新的?唑類具有較大雙光子吸收截面的化合物，研究它們的光譜特性，對雙光子吸收的構效關系進行初步探索。
分享友人
分享到 Line

分享到臉書