The organic affinity of trace elements decreases further in anthracite.到无烟煤阶段,有机态微量元素含量进一步降低.Anthracite char has poor pore structure and small specific surface area.无烟煤焦分支孔贫乏,比表面积很小.Taixi anthracite with high quality cal...
Outside the protected environment of institutional care he could not survive.离开福利机构的照顾，离开这种受保护的环境,他将难以生存下去。These institutional reforms have gone furthest in Poland.这些机构改革在波兰进行得最为深入。Cultivar development may come to rely m...
Mr. Cutler, would you mind if I asked a question?卡特勒先生，我可以问您个问题吗？Dr. Cutler's research suggests that this is self - defeating behavior.卡特勒博士的研究表明这是一种事与愿违的行为.Many journalists have thus far declared 2003 as " The Year...