Afterchloroform was evaporated , it was used as chelate complex chromatographic stationary phase to purify puerarin extractive.建立了采用配位色谱柱从葛根素浸膏中分离纯化葛根素的方法.The train was stationary for 90 minutes.火车停了 90 分钟。Electrostatics...
学生们掌握了小数、百分数和分数。The students had a grasp of decimals, percentages and fractions.相对湿度以小数或百分数表示.The relative humidity is expressed as a decimal or a percentage.那些数字是以百分数表示的.The figures are expressed in terms of a percentag...