• 二氧六环它们的量子产为0.4左右

    Their quantum yields were about 0.4 in dioxane.

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  • 此外,BDMN及二氧六环电极上吸附现象进行了研究。

    The adsorption of BDMN and solvent (dioxane) on the dropping mercury electrode has also been studied.

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  • 利用甘醇原料,一水硫酸氢为催化剂合成1,4 二氧六环

    The synthesis of 1,4dioxane employing the diethylene glycol as raw material and sodium bisulfate monohydrate as catalyst was discussed.

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  • 二氧六环解决办法通过蒸发浓缩剩余油真空中蒸馏水热水澡

    The dioxane solution was concentrated by evaporation and the remaining oil was distilled in vacuo on a water bath.

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  • 使用均质复合壳聚糖二氧六环-水和丙酮-水溶液渗透汽化分离性能进行了研究。

    Pervaporation separation of dioxane-water and acetone-water mixtures has been studied by use of chitosan homogeneous and composite membranes.

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  • 测定乙醇二氧六环中的紫外吸收光谱克分子消光系数以及萤光光谱子产率。

    The ultraviolet absorption spectra and molar extinction coefficients, fluorescent spectra as well as quantum yields of nucleoside hydrazones in water, ethanol and dioxane were measured.

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  • 推导了烷-二氧六混合溶剂中的负离子聚合机理通过实验进行了验证。

    The mechanism of anionic polymerization of isoprene with cyclohexane and dioxane as solvent was studied and improved by experiment.

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  • 结果表明二氧六环木素反应后降解产物羰基明显增多而且生成了醌型物质。

    The results showed that carbonyl groups in degradation products obviously increased and quinoid matters were produced when dioxane lignin reacted with hydrogen peroxide.

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  • 确定1,4 -二氧六环所含的杂质,对精馏分离提纯1,4 -二氧六环重要指导价值

    Impurities in the dioxane were determined. The analysis method has important directive value for separating and purifying 1, 4-dioxane with azeotropic rectification.

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  • 同时研究了催化剂用量1,4二氧六环用量溶剂种类反应温度、反应时间水量加水方式反应的影响。

    The reaction conditions such as dosages of catalyst, 1, 4 dioxane and water, solvent type, reaction temperature and time, adding method were also studied.

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  • 但聚二氧六环的结晶度较高,不适合直接用做药物控释材料需要其他单体进行共聚改善其亲水性和结晶性等性质。

    Poly(p-dioxanone) has high degree of crystallinity which limited it to copolymerize with other monomers to be used as controlled drug release materials.

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  • 但聚二氧六环的结晶度较高,不适合直接用做药物控释材料需要其他单体进行共聚改善其亲水性和结晶性等性质。

    Poly(p-dioxanone) has high degree of crystallinity which limited it to copolymerize with other monomers to be used as controlled drug release materials.

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