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1、1范围本方法规定了地球化学勘查试样中SiO2、AI 2O3、CaO、Fe2O3、K2O、MgO、Na2。、Ba、Co、Cr、Cu、La、Mn、Nb、Ni、P、 Pb、Rb、Sr、Th、Ti、V、Y、Zn、Zr 25种主、次和微量元素的 测定方法。本方法适用于水系沉积物、土壤和岩石等试样中以上各元素的测定。本方法检出限(3s):见表1。表1 兀...
( S)在真空容器中,分解成NH3 (g) , CO2 ( g)和H 2O(g)达平衡;(5) NaCl水溶液与纯水分置于某半透膜两边,达渗透平衡;(6) NaCl ( s)与其饱和溶液达平衡;(7) 过量的NH4C1W) , NH 4l ( s )在真空容器屮达成如下的分解平衡;NH4 Cl (sMWs ( g) +HC1 ( g)含有Na+ ,K+ ,SO4厶,NO 3四种...
g. FeO, Fe3O4 and Fe2O3 on Fe-substrate. An approach for such measurement is discussed. Furthermore, with a suitable sample stage a spatially resolved coatin… MICROSTRUCTURE, RESIDUAL STRESSES, AND PREFERRED ORIENTATION OF LASER ADDITIVE MANUFACTURED H13 TOOL STEELK. Trojan, J. Čapek, J...
Besides the type and size of the catalyst nanoparticles, the oxide support, which may be Al2O3, CeO2, Fe2O3, or TiO2, also plays a significant role [7–12]. This was first ascribed to their influence on the stabilization of the active metal catalyst nanoparticles with some better-...
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Fe50Ni50@CNT was confirmed by EDX measTuhreemeexnptesctiendSsEtoMichainodmTetErMy o. fIn1:1SEfoMr -tEheDbXi,ntahrey satloloicyhsioofmFeet5r0yNwi50a@s CobNtTainweads cboynmfiremaseudrbinygEtDheX measurements in SEM and TEM. In SEM-EDX, the stoichiometry was obtained by measuring the...