Now showing items 1-2 of 2

    • A theoretical study of interaction between dinitrogen and single transition-metal centers Mo, Fe and V 

      GU Ren-Ao; 顾仁敖; SHEN Xiao-Ying; 沈晓英; LIU Guo-Kun; 刘国坤; TIAN Zhong-Qun; 田中群 (HIGHER EDUCATION PRESS, 2005)
      Complexes of the transition metal-containing model compounds with dinitrogen (N-2)M(NH2)(3)(NH3) and (N-2)M(SH)(3)(NH3)(-OCH2COO-) [M=Mo,V, Fe] were studied by the density functional theory. The relative energetics of the ...
    • 高压消解-ICP-AES法测定燃料油中钒铁镍硅铝钙钠硫 

      金献忠; 王谦; 翁东海; 王松青; 林力; 林振兴 (2008-09-01)
      利用超声波处理制备样品,采用方差分析法进行均匀性检验。以HNO3和H2O2为溶剂,使用钢衬聚四氟乙烯罐高压消解样品,建立了以无机标准溶液制作校准曲线测定燃料油中元素的ICP-AES方法,实现了燃料油中V、Fe、Ni、Si、Al、Ca、Na、S等元素的同时测定。相应各元素的检出限为0.4、0.3、1.4、0.9、1.0、0.7、0.8、150 mg/kg;线性范围为1.3~500、0.9~500、4.1~500、2.8~500、3.0~5 ...