As the heating rate increased from 10˚C/min to 20˚C/min, gas yields increased, rising from 28.05% to 31.12% in PP, 14.96% to 30.62% in LDPE, and 18.51% to 29.49% in HDPE. The introduction of Fe2O3 and ...
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我国铝矾土矿虽具有高铝(Al2O355%-88%)、低铁(Fe2O31%-6%)特性,但受天然混级率高、硅铁杂质嵌布不均(SiO23%-25%)制约 ...
As the heating rate increased from 10˚C/min to 20˚C/min, gas yields increased, rising from 28.05% to 31.12% in PP, 14.96% to 30.62% in LDPE, and 18.51% to 29.49% in HDPE. The introduction of Fe2O3 and ...
TUNCUK等使用H2SO4和H2C2O4混合酸浸出石英去除铁杂质,样品中98.9%的Fe2O3被去除,最终将石英中Fe2O3质量分数降至1×10-6;林敏开展了铵盐辅助催化HCl和H2SO4浸出试验,经氧化焙烧后分别在NH4Cl-HCl和NH4Cl-H2SO4体系中浸出石英,结果表明,总杂质组分质量分数分别降至9.189×10-5和9. ...
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Futures Market Fluctuates Upward, Spot Price Remains Stable [SMM Manganese Silicon Futures Review] [SMM Blast Furnace Operating Rate] Increased Maintenance of Blast Furnaces Leads to Slight Decline in ...