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“称准分匀”是中药配方中的一个重要质量指标。在对中药房及门市部工作质量检查和配方人员工作考核中得到的数据,经过怎样的处理,才能比较客观地衡量配方人员“称准分匀”的优劣。经过一段时间的实践,我们认为,有两个参数可以作为衡量的依据。1.称准百分比: 称准百分比=(|sum from i=? to n(1/n) Xi-n·a|)/(n·a)×100% 式中:a—药方中每帖药应该的重量。Xi—每帖实际称重。n—药帖数。例1:一张处方,药帖数为5,计算每帖药应重165g。配方后,实际称重为:159、163、170、168、166g。代入上式计算百分数以衡量“称准”情况。结果,称准百分比=0.12%。一般情况下,可用2%作为合格判定标准。上述例子中称准百分比0.12%<2%,说明该配方员“称准”合格。
“Quasi-divided uniform” is an important quality indicator in traditional Chinese medicine formulas. The data obtained through the examination of the work quality of the pharmacy and retail sales department and the formulation personnel can be measured objectively to determine the pros and cons of the “qualified and balanced” formulation personnel. After a period of practice, we believe that there are two parameters that can be used as a basis for measurement. 1. Qualification percentage: Qualifying percentage = (|sum from i =? ton(1/n) Xi-n·a|)/(n·a) × 100% Where: a—each drug in the prescription The weight should be. Xi—Every post is actually weighed. n—The number of medicines. Example 1: A prescription, the number of drug posts is 5, calculate the weight of each post should be 165g. After the formulation, the actual weighing was: 159, 163, 170, 168, 166 g. Substituting the above formula to calculate the percentage to measure the “appropriate” situation. As a result, the standard percentage was 0.12%. In general, 2% can be used as a pass criterion. In the above example, the percentage is 0.12%<2%, indicating that the “qualified” is qualified.