Sunday, May 14, 2023
Tuesday, October 18, 2022
问题:奥地利人K.J拜耳发明了用()溶液直接浸出铝土矿生产氧化铝的拜耳法。...
Thursday, September 14, 2023
问题:分解原液ak=1.55,分解母液ak=2.9,NK=140g/L,附游物3g/L,该母液经蒸发浓缩后ak为多少?分解率损失多少百分点?...
Thursday, April 25, 2024
Saturday, May 13, 2023
Tuesday, December 26, 2023
问题:碳分炉气CO2浓度高,不利于氢氧化铝结晶的长大和氢氧化铝与母液的分离不利于减少氢氧化铝中SiO2的含量。...
Thursday, October 6, 2022
Saturday, April 15, 2023
Thursday, September 29, 2022
Friday, July 14, 2023
问题:所谓附聚是指一些细小晶粒互相依附并粘结成为一个较大晶体的过程。...
Friday, September 8, 2023
问题:我国齿轮的标准齿形角为()。A、20°B、15°C、14°30′D、30°...
Friday, August 18, 2023
问题:混联法流程:采用拜耳法处理低铝硅比矿石,其赤泥经洗涤和过滤脱水...
Monday, September 12, 2022
Friday, September 8, 2023
问题:赤泥沉降、洗涤所用的设备是()。A、真空过滤机B、平盘过滤机C、立盘过滤机D、沉降槽...
Friday, September 8, 2023
问题:日光灯中镇流器有两个作用,其一是与()使用配合来起动日光灯;其二是在日光灯被点亮后限制灯管的电流。...
Sunday, February 11, 2024
问题:铝酸钠溶液的苛性比值是溶液所含苛性碱与氧化铝的()。...
Sunday, September 24, 2023
问题:混联法流程:采用烧结法处理高铝硅比矿石,其赤泥经洗涤和过滤脱水后,用拜耳法回收其中的Al2O3和Na2O。...
Tuesday, September 12, 2023
Tuesday, October 18, 2022
Tuesday, December 26, 2023