An recover technique of hyposulfite of the accessory substances of phenacetin through simplex method was studied.
采用单纯形法研究了非那西丁副产物大苏打得回收工艺。
Preparation of optical active amyl alcohol by triacetin as substrate
以三乙酸甘油酯为底物制备光学活性戊醇的探索
It is often administered with aspirin, codeine, or phenacetin as an analgesic preparation.
常与阿司匹林、可待因或非那西汀作为止痛剂合并使用。
Studies on factors affecting the disintegration of compound tablet of aminopyrine and phenacetin
影响去痛片崩解因素的研究
The procedure was applied to the assay of aminopyrinephenacetin composite tablets and satisfactory recover
本法用于去痛片的分析，得到了良好的回收率。
The procedure was applied to the assay of aminopyrinephenacetin composite tablets and satisfactory recover.
本法用于去痛片得分析，得到了良好得回收率。
Determination of Triacetin in Cellulose Acetate Filter Rod with Near Infrared Diffuse Reflectance Spectroscopy
近红外漫反射光谱法测试醋酸纤维滤棒中的三醋酸甘油酯
For all studied minerals the best orientation of faceting is recommended.
对所研究的矿物均提出了最佳的加工定向方案。
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