The paper introduces a method to determine sulfur/nitrogen content in oilfield chemicals or oil productsbysulfur/nitrogen elemental analyzer.
介绍了一种测定油田化学剂和石油产品中硫、氮含量的仪器分析方法。
2
The chloroacetic acid traditional production process bysulfur method should be improved for competition, including energy efficiency, products quality improvement, and environment control.
指出我国传统的硫磺法氯乙酸生产工艺要进一步节能降耗、提高产品质量及治理环境，以提高竞争力。
3
The kernel issue to solve the problem of sulfur dioxide treatment by the idea of clean production is how to recover and make the products which are valuable both in practical use and commodity use.