Fuel propane is scented with mercaptan odourants for leak detection.燃料丙烷通常添加硫醇这种刺激性的物质用于泄漏检测.Workplace air - Determination of methyl mercaptan - Gas chromatography method.车间空气中甲硫醇的气相色谱测定方法.The heptanal butyl mercaptan wa...
Objective To determine the content of geniposide in Jieyu Anshen capsules.目的建立测定解郁安神胶囊中栀子苷含量的方法.Objective A method for determination of geniposide in Keganeridun tablets was established.目的:建立蒙药克感额日郭片剂中栀子苷含量测定方法.This pape...
Matcham steady and alert, at a sign from Dick, ran along the thwarts and leaped ashore.麦青机警 、 镇静地照着狄克向他做的手势,急急地沿着船上的座板,跳到岸上.He laid himself down under the thwarts and waited, panting.躺在坐板下面, 气喘吁吁地等着开船....
用阿基米德螺线能成功地解决化圆为方的问题,方法很简单.A neat solution of the quadrature problem can be achieved with the spiral of Archimedes.现在的密封槽型比较常用的是对数螺线槽.Now the commonly used seal groove is a logarithm spiral groove.螺线齿轮被用于传送在平行的轴之间的行动.Hel...