Carboniferous system is the main production layer of East Sichuan and reserves, especially volumetric method reserves is the base of developing production plan .
石炭系是川东地区的主力产层,储量、特别是容积法储量是制定开发方案的基础。
This paper discusses the effects of sample resting when precipitating agent is added on experiment results by using EDTA volumetric method for the determination of SO 2- 4 in water.
对EDTA容量法测定水中硫酸根时,对加入沉淀剂后样品静置时间对测定结果的影响进行了研究。
Barium sulfate turbidimetry and volumetric method are common methods.
常用硫酸钡比浊法和容量法来测定。
And the uncertainty of dynamic volumetric method was evaluated.