Two thirds of the region has been deforested in the past decade.在过去十年里这个地区的森林有三分之二被毁掉。400,000 square kilometres of the Amazon basin have already been deforested.亚马孙河流域已有40万平方公里的森林遭到滥伐。The landscape was deforested by the ...
So, we carried out with cyclopentadienyl molybdenum tungsten disulfide - based Synthesis and Characterization of.为此, 我们开展了对含环戊二烯基二硫型的钼钨配合物的合成及性质研究.The progresses in bridged or substituted cyclopentadienyl ( and indenyl )...