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3D palaeogeographic reconstructions of the Phanerozoic versus sea-level and Sr-ratio variations:Disc
Vérard et al.(2015,Journal of Palaeogeography,4(1):64-84) claim that their global geodynamic model allows one to recons......
扬子地块北缘与秦岭接壤,早古生代经历了上扬子克拉通盆地(∈-O2)和隆后盆地(O3-S)两个阶段。区内发育上奥陶统观音桥组或南郑组地层,......
为了能快速获得用于染色体分带或者荧光原位杂交的高质量花生根尖细胞染色体制片,通过选择适当粗细的花生侧根,经过对二氯苯浸泡预处......
由于全球变暖,冰川正逐年退缩,随之引发的冰湖溃决洪水已不容忽视,但静态和孤立地研究冰湖已不能满足人们对冰湖信息的需求,本文基......