DDTs and HCHs serum level were detected by EC - ECD .运用GC -ECD 方法检测血清中有机氯农药DDTs和HCHs水平.In DDTs the residual level of p, p?DDTs中p, p?The residual levels of DDTs, HCHs in soil were different with different utilization type...
混凝土由水泥 、 砂、石子与水掺和而构成.Concrete is composed of cement, sand and gravel mixed with water.两种液体在掺和器里均匀了一下.The two liquids homogenised in the blender.两种液体在掺和器里均匀了一下。The two liquids homogenized in the blender....
He was anxious to the point of neurosis...他焦虑得都要得神经症了。In that city there is neurosis in the air which the inhabitants mistake for energy.在这座城市里流传着一种神经机能病,居民们都误认为是精力旺盛的表现.She got a neurosis about chemicals and imagined th...