为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

A novel transition metal ion bridging bis(diphosphopentamolybdates) has been synthesized and characterized by elemental ......

以乙酸锌和六次甲基四胺的水溶液为前驱体溶液，微波回流10min，成功制备出结晶性好的半导体哑铃状ZnO。用X-射线衍射分析、能量色散X......