• 呋喃苯并呋喃醋酸乙烯酯列为可能人类致癌

    Furan, benzofuran, and vinyl acetate were classified as possibly carcinogenic to humans.

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  • 吲哚类取代苯并呋喃酮类化合物制造方法

    The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.

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  • 苯并呋喃DF研究二英类化合物生物降解模式化合物之一。

    Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.

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  • 近期研究表明电脑屏幕可以产生一种叫做苯并呋喃致癌物质

    Recent research shows that the computer screen can produce a carcinogenic substance called bromine dibenzofuran, which is harmful to human's health.

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  • 名称二恶英通常用来结构化学性质相关多氯二二恶英(PCDDs)和多氯苯并呋喃PCDFs)。

    The name "dioxins" is often used for the family of structurally and chemically related polychlorinated dibenzo para dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs).

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  • 本文首次合成了几种苯并呋喃苯并噻吩新的芳香族四羰基化合物对它们进行了元素分析红外光谱测定

    Several new bis (1,2-dicarbonyl) compounds containing benzofuran or benzothiophene ring have been synthesized and identified by elemental analysis and Infra red spectroscopy.

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  • 得到酚钠,酚钠和2-乙醇得到2-氧基乙醇,与氯化锌反应得2,3-二氢苯并呋喃产率50%。

    A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.

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  • 得到酚钠,酚钠和2-乙醇得到2-氧基乙醇,与氯化锌反应得2,3-二氢苯并呋喃产率50%。

    A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.

    youdao

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