多氯化联苯在土壤中, 水中或空气中都无法分解, 只会继续累积.PCBs don't break down in soils, water or air, but carry on accumulating.建立了HPLC测定联苯菊酯含量的方法.An HPLC method for the determination of bifenthrin emulsifiable concentrates was developed.介绍...
The fracture toughness of the bimetallic interfaces is lower than those of respective counterpart metals.在扩展路径上,界面和金属交替出现,且界面的断裂韧性不如相应单一材料的断裂韧性.The President had talks during a brief stopover in Lisbon with his Portugues...
沿南美洲西海岸温跃层的十年间变化.Interdecadal variability of the thermocline along the west coast of South America.温跃层对于潜艇的水下航行和战斗具有十分重要的意义.Thermocline is important for submarine in underwater navigation and action.一套跃层公寓, 一对孤男寡女.A dupl...