In this paper, an improved gamma spectrum smoothing approach for data denoising based on wavelet threshold function ......

　　A low background Germanium gamma ray spectrometer, called GeTHU, has been installed and is being operated at China J......

对４─氨基安替比林氯仿萃取比色法测定水中的挥发酚，如何更好地降低空白值作了介绍，阐述了对显色剂不同的提纯方法，并对各种方法作了合......