Objective : To determine emodin and chrysophanol in Zhouchewan pills.目的: 测定舟车丸中大黄素和大黄酚含量.She made Tina flush the pills down the toilet.她让蒂娜把药丸扔进马桶里冲走。Pills are sometimes coated with sugar.药丸有时包上一层糖衣.She's been takin...
这样就产生了目前各种船舶上普遍应用的回声探测仪.So was born the echo - sounding apparatus, now in general use in ships.大多数共振质量探测仪是由巨大的圆柱形铝棒构成.Most resonant mass detectors are made of large, cylindrical aluminum bars.建造共振质量探测仪不像建造激光干涉计探测仪那么昂贵.Re...