• 科学家之间的一个热门话题是对酮酯的研究。

    A hot topic among scientists was the study of the ketoester.

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  • 目的设计并合成苯并吡喃酮酯衍生物并探索其趋骨性。

    OBJECTIVE to design and synthesize benzopyrone ester derivatives and to test their bone affinity.

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  • 方法:采用高效液相色谱蒸发光散射检测器(ELSD)检测法测定银杏酮酯注射液中银杏内酯A,B的含量。

    METHODS: The HPLC method with Evaporative Light Scattering Detector (ELSD)was established to determine the content of ginkgolide A, B in the Ginkgo injection.

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  • 与水、活性氢、醇、酚、胺、酰胺、羧酸、烯烃、醛、酮、酯加成得到的新化合物,可作脱水剂和氧化剂使用。

    Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.

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  • 有双环氨基取代的吡啶酮羧酸衍生物,其酯及盐,以及可用作其中间体的双环类胺。

    Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate thereof.

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  • 结果表明:烈香杜鹃精油化学成分以高级脂肪酸酯、酮、芳香族化合物及芳香杂环化合物为主。

    The results showed that the volatile constituents of Rhododendron athopogoides Maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.

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  • 杂环酯,酰胺,硫代酸酯和酮的N-氧化物。

    N-oxides of heterocyclic esters, amides, thioesters, and ketones.

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  • 就双乙烯酮与异丙醇在不同催化剂下反应生成乙酰乙酸异丙酯的条件及结果进行了讨论,并提供了实验数据。

    The conditions and results of the reaction of diketene with isopropyl alcohol in the presence of different catalysts are discussed and some experimental data are provided.

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  • 通过对该合聚物的IR和NMR谱图分析,得知该聚合物含有酯基和酮基的结构单元,以及环缩醛的侧链。

    The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.

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  • 目的:观察氟比洛芬酯与酮洛芬对照治疗术后及癌性疼痛患者的有效性。

    Objective:To compare the effectiveness of flurbiprofen axetil injection for the treatment of post-surgical and carcinous pain to ketoprofen.

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  • 为提高碱性磷酸酶(ALP)活性测定的灵敏度,对以4-甲基伞形酮磷酸酯(4-MUP)为底物的荧光法进行了研究。

    In order to improve the sensitivity of detection of alkaline phosphatase(ALP)activity, a fluorometric method based on 4-methylumbelliferyl phosphate(4-MUP)as substrate was investigated.

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  • 目的:探讨米非司酮与双炔失碳酯合用抗早孕的机理。

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

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  • 用异佛尔酮二异氰酸酯与氨基硅油反应,然后用饱和亚硫酸氢钠封端,合成出具有反应性的聚氨酯改性硅油。

    Polyurethane modified amino-silicone oil was synthesized by the reaction of amino-silicone oil and IPDI, and capped with saturated sodium hydrogen sulfite.

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  • 建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。

    A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.

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  • 建立了基于手性毛细管柱直接测定丙烯酮醇和丙烯酮乙酸酯对映体含量的气相色谱法。

    A gas chromatographic method was developed to directly determine the enantiomers of acrylic ketone alcohol and acrylic ketone acetate.

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  • 该化合物是合成超高效除草剂唑酮草酯的重要中间体。

    This compound was an important intermediate to synthesize carfentrazone-ethyl, one super highly effective herbicide.

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  • 方法:采用酸性染料比色法测定附子总生物碱含量,反相高效液相色谱法测定双酯型生物碱含量,蒽酮-硫酸法测定多糖含量。

    METHODS: The contents of total alkaloids, diester diterpenoid alkaloids and polysaccharides were measured by acid dye colorimetry, HPLC and sulphuric acid-anthrone colorimetric method respectively.

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  • 报道了两类除草剂芳氧苯氧丙酸酯(APP)和环己二酮(CHD)的四种主要的除草作用机制。

    Four main mechanisms of the action of aryloxyphenoxypropionate (APP) and cyclohexanedione (CHD) herbicides have been reported.

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  • 同皮肤细胞匀浆代谢相似,酮洛芬异丙酯被代谢成原药酮洛芬。

    Ketoprofen isopropyl ester was hydrolyzed into ketoprofen when penetrated through the cultured skin, which resembled in the skin cell homogenates metabolism.

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  • 本文以聚矾和磺化聚砜共混物为膜材料,二甲基乙酰胺为溶剂,聚乙烯吡咯啉酮和邻苯二甲酸二甲酯为添加剂配制纺丝液,纺制外压中空纤维超滤膜。

    This paper reported the preparation of hollow fiber UF membrane, using PS and SPS as membrane spinning materials, DMA as solvent, PVPand dimethyl phthalate as additives.

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  • 方法青蒿可溶性糖含量测定使用蒽酮醋酸乙酯法,青蒿游离氨基酸含量测定用茚三酮比色法。

    Methods Saccharide content was determined by anthracene ethyl ketone method; amino acid content was estimated by indene tri-ketone colorimetric method.

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  • 也可作为原料用以制作甲基异丁基酮、二丙酮醇、己二醇、甲基丙烯酸甲酯和精细化学品等。

    Also used as a raw material in the manufacture of methyl iso-butyl ketone, di-acetone alcohol, hexylene glycol, methyl methacrylate and fine chemicals.

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  • 本文介绍了抗蚜威与三唑酮复配制剂的气相色谱定量分析方法。用OV - 17为固定液,邻苯二甲酸二丙烯酯为内标物进行气相色谱测定。

    In this paper, a method for determination pirimicarb combination with triadimefon by gas chromatography was described, by use OV-17 as stationary phase, propenyl phthalate as internal standard.

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  • 方法:以双酮为原料,结合双烯孕腈的药物结构特点对双炔失碳酯进行化学结构改造。

    Methods: Referring to dienogest's construction features, we reconstructed anordrin be- ginning with diketone.

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  • 方法:以双酮为原料,结合双烯孕腈的药物结构特点对双炔失碳酯进行化学结构改造。

    Methods: Referring to dienogest's construction features, we reconstructed anordrin be- ginning with diketone.

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