油田污水中悬浮物含量的分光光度法测定
李自怀,王吉福
Determination of suspended solid content in oil-field wastewater by spectrophotometric method
Zihuai Li,Jifu Wang
工业水处理 . 2019, (6): 93 -95 .  DOI: 10.11894/iwt.2018-0486