Study of pvc membrane uranyl chemical sensors based on new diphenylphosphinyl derivatives 二苯基氧膦新衍生物铀酰离子化学传感器研究
The diphenylcarbazide photometric method for the determination of chromium sesquioxide content 二苯基碳酰二肼光度法测定三氧化二铬量
Stationary source emission - determination of chromate fog . diphenyl carbazide spectrophotometric method 固定污染物排气中铬酸雾的测定.二苯基碳酰二肼分光光度法
Methods for chemical analysis of tungsten - the diphenylcarbazide photometric method for the determination of chromium content 钨化学分析方法二苯基碳酰二肼光度法测定铬量
Methods for chemical analysis of molybdenum - the diphenylcarbazide photometric method for the determination of chromium content 钼化学分析方法二苯基碳酰二肼光度法测定铬量
Methods for chemical analysis of iron ores - the diphenyl carbazide photometric method for the determination of chromium content 铁矿石化学分析方法二苯基碳酰二肼光度法测定铬量
Methods for chemical analysis of ferrosilicon - the diphenylcarbazide photometric method for the determination of chromium content 硅铁化学分析方法二苯基碳酰二肼光度法测定铬量
Methods for chemical analysis of gallium - the 4 , 7 - diphenyl - 1 , 10 - phenanthroline photometric method for the determination of iron content 镓化学分析方法4 , 7 -二苯基- 1 , 10 -二氮杂菲光度法测定铁量
Aluminium and aluminium alloys - determination of chromlum content - diphenyicarbazide spectrophotometry mehtod after extraction 铝及铝合金化学分析方法萃取分离-二苯基碳酰二肼分光光度法测定铬量
Workplace air . determination of diphenyl methane 4 , 4 ' - di - iso - cyanate - n - 1 - naphthyl ethylenediamine dihydrochloride spectrophotometric method 作业场所空气中二苯基甲烷二异氰酸酯的盐酸萘乙二胺分光光度测定方法