探讨了用二氧化氯处理水时其加入量、浓度及沉降时间对处理效果的影响。
The influences of addition amount and concentration of chlorine dioxide as well as settling time on the effects of water treatment with chlorine dioxide are studied.
用简易GPC柱研究了三种类型氯醇弹性体的分子量分布。
The molecular weight distribution of three kinds of epichlorohydrin elastomers has been studied by using a simple GPC colum.
用氧弹法测煤中的氯，取样量少；比较艾氏剂法测煤中氯简便快速，结果满意；对单个或少数样品，优点更为突出。
The method of oxygen steel bomb to determine chlorine in coal is studied in this paper and it is compared with Seedrin method.
用气相色谱法测定了氯氟氰菊酯在棉花叶片、棉籽和土壤中的消解动态及最终残留量。
The dissipation and residues of biphenthrin in soil, cotton leaves and seed were determined by Gas Chromatography.
用气相色谱法测定了氯氟氰菊酯在棉花叶片、棉籽和土壤中的消解动态及最终残留量。
The dissipation and residues of biphenthrin in soil, cotton leaves and seed were determined by Gas Chromatography.
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