• 通过不溶三乙胺形成纤维素二甲酸半酯可以观察此现象。

    This was observed with the phthalic half-ester of cellulose due to formation of an insoluble triethylamine salt.

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  • 甲酸二甲酯甲酸二配合用于醋酸纤维素薄膜透明模塑粉等制作中

    Phthalic acid dimethyl phthalate two two and two formic acid ethyl ester two for cellulose acetate film, transparent paper and molding powder production.

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  • 纤维素稀酸水解发酵制乙醇过程中,由于弱酸、呋喃衍生物化合物微生物的影响,乙醇的产量和产率都不高。

    In hydrolysis of lignocellulosic materials, a lot of compounds which are inhibitory to microorganisms can be formed such as: weak acids, furan derivatives, and phenolic compounds.

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  • 对手性填料纤维素甲酯水解稳定性进行初步考察结果表明,其在常温低温使用时具有长的使用寿命。

    To perform a preliminary study on CTB asymmetric filling's stability. The results suggest that CTB asymmetric filling has a longer service life at both room temperature and low temperature.

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  • 使用中空纤维处理羟丙甲纤维素眼液,离心分离羟丙甲纤维素铵,建立了HPLC测定其中的扎溴铵含量。

    Benzalkonium bromide was separated from the hypromellose eye drops with hollow fiber under the effect of centrifugal force and its determination was studied by an HPLC method.

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  • 使用中空纤维处理羟丙甲纤维素眼液,离心分离羟丙甲纤维素铵,建立了HPLC测定其中的扎溴铵含量。

    Benzalkonium bromide was separated from the hypromellose eye drops with hollow fiber under the effect of centrifugal force and its determination was studied by an HPLC method.

    youdao

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