Methods The absorbance ratio of 19 roots from Amorpha fruticosa L. and 2 confusion roots were measured by UV spectrometry and used as the evidenceofidentification.
方法取紫穗槐根19个样品及其2个混淆品,用紫外光谱法测得吸收度比值作为鉴定的依据。
2
As the world prepares to mark the 30th anniversary of the first clinical identificationof HIV, new Numbers from UNAIDS provide compelling evidence that the epidemic can be defeated.