【摘要】 环境标准物质对于环境监测数据的可靠性是非常重要的 ,水环境标准物质的研制是困难的。就COD环境标准物质的研究进行了深入的探讨更多还原

【Abstract】 Environment standard substance is key to the reliability of environmental monitor data. It is difficult to develop water environment standard substance. In this paper, the research on COD environment standard substance is deeply discussed.更多还原