Hydrogen isotopes are commonly fractionated to a much greater extent and as a result display larger variations in δ val......

Deforestation to reclaim land often triggers severe soil erosion in the Guizhou Karst Plateau. 137Cs dating of the depos......

土壤侵蚀导致水土资源及土地生产力的破坏和损失，泥沙淤积危害及其引发的一系列水环境效应已成为当前及以后一段时期内研究的热点和......

以北京苜蓿假盘菌（Pseudopeziza medicaginis（Lib.）Sacc）菌株为试材，用ISSR-23引物[序列为（AC）s明研究PCR反应体系的主要成分及退火温度对......

利用微卫星标记SSR（Simple Sequence Repeat），在DNA水平上构建了96个中国系统二化性家蚕品种的DNA指纹图谱。57对SSR引物共扩增出507......