结果表明，两段尿测定法与一段尿法均能比较客观代表全日尿肌酐量。
Theresults show that the measuring methods of two-period urine and one-period urine can objectively be adopted.
方法的精密度、线性关系、回收率均良好，和生物测定法相比较，本法简便、快速、经济，测定结果较为满意。
The precision, linear relationship and recovery were good respectively. Compared with bioassay, the pro posed method was faster, more convenient and economical as well as with satisfactory results.
方法：采用直接测定法测得了样品的FTIR，并结合主成分分析法进行排序比较。
Method: Using fourier transform infrared spectrometer to record the characteristic spectra of eleven samples of Dendrobium, and to compare the spectra by PCA(principal component analysis).
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