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采用氢化物发生-原子荧光光谱法(HG-AFS),分别测定了保健饮品中的无机锗和β-羧乙基锗倍半氧化物(即锗-132),同时对于天然食品中无机锗......
采用微波加热和双层聚四氟乙烯密闭容器,以HNO3-HClO4为消解试剂、MgO为外层吸收剂,用CCl4萃取,光度法快速测定茶叶中痕量锗。研究了消......
研究了回收氯化石灰中和渣中的锗的工艺,采用热水洗涤除钙、稀盐酸浸出锗除钙,洗涤浸出后的渣用两段逆流碱浸出锗.酸浸出液与一次......
以韶关冶炼厂真空炉渣氧压浸出液为原料,以P204及Rex t-32为萃取剂萃取分离与富集锗组分,考察萃取有机相组成、酸度pH、萃取时间、相......
利用光电子能谱及密度泛函理论计算对TiGen^-(n=7-12)团簇的几何结构及电子特性等进行了系统研究.对于TiGen^-负离子及中性TiGen,在n=8......
SYNTHESIS OF ORGANOGERMANE OLIGOMERS VIA LIGAND SUBSTITUTION POLYMERIZATION FROM 1, 4-DIOXANE COMPLE
Some organogermanium oligomers with different side groups were synthesized via li-gand substitution polymerization from ......
Microsatellites have recently opened windows of frequent and low cost missions for planetary exploration. The performanc......