• 作为一种重要荧光材料苯及其衍生物的研究一直倍受人们的关注

    As an important fluorescence material, coronene and its deviations had attracted much attention.

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  • 介绍了及其衍生物环境造成污染危害,并对水体该类污染物降解技术研究进展进行了综述。

    The research progresses in degradation technologies of benzene or some of its derivatives in water was reviewed. The recent status of water pollution caused by these pollutants was briefly introduced.

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  • 可用作治疗剂噻吩并吡啶的并稠合杂芳基酰胺衍生物包括它的药物组合物及其使用方法

    Benzofused heterozryl amide derivatives of thienopyridines useful as therapeutic agents, pharmaceutical compositions including the same, and methods for their use.

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  • 运用HMO卤化及其硝基衍生物电子结构进行系统的校正计算研究

    The electronic structure of the halogenobenzene and theirnitroderivatives has been systematically calculated and studied by HMO method.

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  • 已知,二甲酰甲烷及其衍生物紫外辐 射相对敏感,且它们日光作用迅速分解

    It is known that dibenzoylmethane and its derivatives are relatively sensitive to ultraviolet radiation and they decompose rapidly under the effect of sunlight.

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  • 避免接触甲醛及其衍生物使用超标、甲醛浓度家庭装修材料农药汽油油漆等

    Avoid exposure to benzene, formaldehyde and its derivatives, such as the use of substandard benzene, formaldehyde concentrations of families decoration materials, pesticides, gasoline, painting.

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  • 新型紫外光吸收剂主要成分包括水杨酸酯类及其衍生物、三邻羟基丙三化合物

    The novel ultraviolet absorber mainly comprises the ingredients of: phenyl salicylates and derivatives thereof, and triazine or ortho-hydroxyazimidobenzene compounds.

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  • 新型紫外光吸收剂主要成分包括水杨酸酯类及其衍生物、三邻羟基丙三化合物

    The novel ultraviolet absorber mainly comprises the ingredients of: phenyl salicylates and derivatives thereof, and triazine or ortho-hydroxyazimidobenzene compounds.

    youdao

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