1、

determination of acetyl value for cellulose diacetate by near infrared spectrometer

近红外仪测试二醋酸纤维素醋化值

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2、

a near infrared spectrometer ( nir) was used to determine acetyl value of cellulose diacetate ( ca) in near infrared spectral region ( 1100-2500nm) with multiple linear regression ( mlr).

本文研究了近红外仪在近红外区域(1100-2500nm),多重线性回归测定二醋酸纤维素的醋化值的方法。

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3、

methods of analysis of fats and fatty oils - other methods - determination of the hydroxyl value and the acetyl value

脂肪和油脂的分析方法.其他方法.羟基和乙酰基值的测定

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4、

effects of factors such as amount of acetic anhydride, reaction time, reaction temperature, ph value and amount of sodium sulfate on acetyl content of acetate starch and reaction efficiency were discussed.

考察了醋酸酐用量、膨胀抑制剂用量、pH值、反应温度、反应时间等因素对糯玉米淀粉醋酸酯乙酰基含量和反应效率的影响。

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5、

A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.

介绍了一种含环氧基聚酯的羟值测定方法, 即乙酰氯法.

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