In this paper, chlorpropham in potatoes was determined by reversed - phase high performance liquid chromatography. 提出 反相 高效液相色谱法测定商品马铃薯储藏过程中施加的抑芽剂氯苯胺灵含量的方法.
用双层平纹细布或干酪包布过滤混合料。Strain the mixture through a double thickness of muslin or cheesecloth.胎趾包布的宽也根据轮胎的规格选定合适的尺寸.The width of the bead toe fabric varies in accordance with the specification of the tyre.若是污垢比较硬, 可以使用牙签包布来清理...