To establish an assay for the determination of the total components of water-soluble phenolic acidity in danshen and danshen preparation to control their quality.
研究建立丹参及丹参制剂中水溶性酚酸总量的测定方法，以其中水溶性酚酸总量可作为质量控制指标之一。
2
Making use of the cause and effect diagram to analyse the sources and influences of uncertainty in determination of total hardness in water by EDTA titrimetric method was introduced.
采用直观的因果图，对EDTA滴定法测定水中总硬度的不确定度的来源及其对测量不确定度的影响进行分析。
3
A method on the determination of total starch using enzyme hydrolysis was introduced, and the content of the total starch in several kinds of common feedstuffs was determined.