1、

Examples are given to differentiate quantity ratio and mass fraction, mol ratio and mol fraction, cuba.

例析了比率相关量如质量比与质量分数 、 摩尔比与摩尔分数 、 体积比与体积分数的区别.

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2、

The total average absolute arithmatic deviation of 99 data points is only 0.0098 mol fraction.

对99组汽液平衡的实验数据进行计算,汽相组成(分子分数)的平均绝对误差为0.0098。

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3、

Adsorption heat of activated carbon to the high concentration vapor is obviously high, such as the temperature rise of adsorption bed up to 50~ 60 ℃ for the vapor mole fraction of 0.3 mol/ mol.

活性炭吸附高含量油气时,吸附热高,如吸附油气摩尔分数为0.3mol/mol时,吸附床温升达50~60℃。

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4、

SISE p1 was further fractionated by DEAE cellulose ion exchange chromatography and four fractions were obtained by stepwise elution. The fraction eluted with Tris HCl buffer containing 0.2 mol of sodium chloride per liter had the highest activity.

用DEAE-纤维素离子交换层析对SISE-p1进行分离,生物活性研究表明用含0.2mol/L氯化钠的Tris-HCl缓冲液(pH7.0)洗脱的组分具有较强的生物活性。

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