采用气相色谱ECD检测器同时分离检测水中灭草松和2，4-滴两种农药。
Bentazone and 2,4-D herbicides in drinking water and source water were determined by gas chromatography with ECD detector.
提出了预测铸钢件中缩松缺陷的数值方法，考虑了传热、枝晶间液相流动和气体析出等因素。
A numerical analysis method is presented to simulate the shrinkage porosity formation in steel castings on the basis of heat flow, interdendritic fluid flow and possible evolution of dissolved gases.
对照标本松质骨的骨细胞处于成骨相及吸收相。
The osteocytes of the cancellous bone tissues of the control specimens belonged to formative and resorptive phase osteocytes.
应用推荐