2025-05-0710919.5 KB1页12
2025-05-04108170 KB1页10
2025-05-05108732.5 KB85页50
2025-05-05108624 KB99页47
May,2002Off-SiteTrainingDocumentFromDataToChartsA.T.Kearney37/2333Off-siteTraining/wt2Thispresentationstemsfromtwousefulbooks“SayitwithCharts,TheExecutive’sGuidetoVisualCommunication.”,FourthEdition,GeneZelasny,McGraw-Hill,2001“SayitwithPresentations,HowtoDesignandDeliverSuccessfulBusinessPresentations.”,GeneZelasny,McGraw-Hill,2000A.T.Kearney37/2333Off-siteTraining/wt3AgendaSomeheal... 2025-05-051081.84 MB128页12
2025-05-0710877.5 KB2页17
2025-05-07108138 KB23页20
2025-05-071081001 KB154页10
2025-05-02108728 KB67页28
2025-05-0210872 KB7页17
低酸浸出-溶剂萃取法从含铟渣中回收铟曾冬铭,舒万艮,刘又年,雷存喜(中南大学化学化工学院,长沙410083)摘要:用正交实验法研究从复杂含铟冶炼渣中回收铟的低酸浸出-溶剂萃取工艺,探讨铟锑分离的条件。含铟锑渣用2mol/LH2SO4和30~40g/LNaCl两段逆流浸取,浸出温度100℃,铟的浸出率为80%。用P204-磺化煤油体系,相比O/A为1∶3,水相保持浸出液酸度,3级逆流萃取,铟的萃取率达98%以上,用30g/L草酸溶液2次洗脱负载有机相中的锑,脱除率99%... 2025-05-02108104.43 KB4页24
2025-05-0210853.5 KB11页23
2025-05-021081.01 MB277页40
2025-05-02108138.5 KB3页34
2025-05-0210819.5 KB1页31
2025-05-02108179.5 KB38页44
2025-05-0210833.5 KB2页16
2025-05-0210834.5 KB3页37
2025-05-02108409 KB19页15
2025-05-02108535.5 KB95页14