Asian carp are expanding their range throughout the Mississippi River;however,abundance is thought to be highest in reac......

黄河是东亚万里大河，连年大水有其特具的地球物理成因和背景，从灾害链物理和灾害史角度探讨黄河大水问题有一定的意义。首先介绍了18......

In The Adventures of Huckleberry Finn,The Mississippi River is not just to provide a general background,but to constitut......

Analyses of fluid-inclusion leachates from ore deposits show that Na/Br ratios are within the range of 75 - 358 and CL/B......