• 对辣椒霉对双酰菌胺的敏感性进行了研究

    The sensitivity of Phytophthora capsici to mandipropamid was studied.

    youdao

  • 通过无配体的铜催化偶联反应合成对称

    Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction.

    youdao

  • 结合地诺孕素结构特点我们对双失碳酯进行改造

    Referring to dienogest's construction features, we reconstructed anordrin.

    youdao

  • 一部分描述通过映选择性丙基化合成天然产物

    The first part describes the syntheses of natural products by means of diastereoselective propargylation.

    youdao

  • 中间体之间双分子质子键合复合物已经提出

    The bimolecular proton-bound complex between benzyne and acetylene intermediate has been proposed.

    youdao

  • 甲基甲硅烷基丙基反应产物的产71%84%。

    The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.

    youdao

  • 我们建立了一描述聚丁二晶体中的三阶非线性光学过程数学公式

    We derived a set of mathematical formulas for describing the third-order nonlinear optical process in polydiacetylene crystals.

    youdao

  • 常规用途最热火焰。

    Oxyacetylene flame is the hottest one known for ordinary use.

    youdao

  • 戴维不负重望,就制出这种气体

    David does not live up, it is such a system on acetylene gas.

    youdao

  • 最好采用焰加热方法

    The preferred method is by oxyacetylene flame .

    youdao

  • 试剂包括烯烃

    The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.

    youdao

  • 研究了过渡金属催化衍生物异构化反应

    The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.

    youdao

  • 加成,氢化卤化HX烃的水化作用。

    Addition Reactions to alkynes, Hydrogenation, Halogenation and HX. Hydration of alkynes. Tautomerization.

    youdao

  • 目的应用近红外光谱快速鉴别诺孕酮真伪。

    Objective To establish an near-infrared spectroscopy (NIR) method for the rapid identification of levonorgestrel tablets.

    youdao

  • 介绍

    Introduction to the Alkyne Triple Bond.

    youdao

  • 目的探讨米非司酮失碳酯合用早孕机理

    Objective: To investigate the mechanism of mifepristone combined with anordrin for anti - early pregnancy.

    youdao

  • 目的考察质体凝胶作为雌醇透皮给药载体可行性

    OBJECTIVE To investigate the feasibility of ethosome gel as transdermal carries of ethinyl estradiol (EE).

    youdao

  • 芳基取代及其衍生物呈现出光电磁等许多新颖性能

    Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical, electric, magnetic properties.

    youdao

  • 雌醇口服生物利用度胃肠道副作用,日给次数多。

    This drug has low bioavailability, adverse reaction of gastrointestinal tract by oral administration, and is administered frequency.

    youdao

  • 计算表明氢分子加成反应生成稳定甲硅烷基硅

    The computation indicated that the stable silicyl alkene is produced by the addition reaction of silicon alkyne and hydro-gen.

    youdao

  • 心情陪伴进入成功殿堂的温室,使一生、和谐。

    A good mood will accompany you on your way to the palace of success, to the chamber of love and to pleasure and barmony in life.

    youdao

  • 结论方法简便,快捷,适应于左诺孕酮油水分配系数测定

    Conclusion: The method is rapid, simple and accurate and is suitable for determining oil-water partition coefficient of levonorgestrel.

    youdao

  • 雌醇甲醚一种合成雌激素化学式为c21h26o2

    A synthetic estrogen, C21H26O2, used in combination with a progestin in oral contraceptive preparations.

    youdao

  • 为了合成上述化合物需要构筑一些重要末端功能砌块。

    In order to get the aryl alkynyl thio ether, we need to synthesize some important terminal functional compounds.

    youdao

  • 研究了含有基团化合物石墨表面组装光照聚合反应

    The self-assembly and photopolymerization of compounds containing diacetylene group were studied on HOPG surface.

    youdao

  • 论文第二部分工作是3-氟(2-氟)-4丙基苄合成探讨。

    The second part of this paper relates to the synthesis of 3(2)-fluoro-4-propargyl- benzyl alcohol.

    youdao

  • 采用模板导向法高产率地合成两个链亚烷基共轭大环。

    The synthesis of the first two arylenealkyne conjugated macrocycles containing long alkylene bridge via Glaser coupling of template-directed tetraacetylenes was reported.

    youdao

  • 本文报道络合物烷基化加成,合成多取代烯烃,产率较高。

    This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.

    youdao

  • 本文报道络合物烷基化加成,合成多取代烯烃,产率较高。

    This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定