Background: It is well known that histone modifications can control gene expression, and the data of histone modificatio......

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Based on Remote Sensing (RS) and Geographical Information System (GIS) technology,urban expansion of 75 cities in China ......

有机氯化合物可通过食物链的生物富集作用放大,经皮肤、呼吸道和消化道进入体内,干扰正常分泌物的合成、释放、运转、代谢、结合等......

文章分析对比了桂西地区Ａｕ、Ａｓ、Ｈｇ、Ｓｂ元素的时空区域分布，并经与岩石样对比，发现上古生界以碳酸盐岩为主的地层为高背景，三叠系为低背景，Ａｕ的高......