问题:()是用来提高悬浮液浓度并同时得到澄清液体的重力沉降设备。...
Sunday, December 10, 2023
Sunday, December 10, 2023
Thursday, August 24, 2023
问题:试分析比较单效蒸发器的间歇蒸发和连续蒸发的生产能力的大小。设原料液浓度、温度、完成液浓度、加热蒸汽压强以及冷凝器操作压强均相等。...
Friday, July 28, 2023
Thursday, August 24, 2023
Saturday, April 29, 2023
问题:球团矿具有含铁分高、还原性好、()和便于运输、贮存等优点。 A、产量高B、粉末少C、粒度均匀...
Thursday, July 6, 2023
Thursday, March 21, 2024
问题:离子交换树脂按基团性质来分,有几大类?用于做什么?...
Thursday, August 24, 2023
Monday, October 30, 2023
Sunday, April 23, 2023
Friday, July 28, 2023
问题:炉缸边缘堆积时,易烧化()。A、渣口上部B、渣口下部C、风口下部D、风口上部...
Sunday, August 6, 2023
Sunday, March 3, 2024
Saturday, December 9, 2023
问题:多效蒸发的原理是什么,多效蒸发的加料有几种方法?简述每种方法的优缺点。...
Tuesday, June 13, 2023
问题:采用()设备可以显著降低水溶蒸发浓缩的蒸气单耗。矿热电炉是依靠()和()的双重作用,将电能转化成热能。...
Thursday, March 21, 2024
问题:一般鼓风含氧提高(),风口面积应缩小1.0%~1.4%。A、1.0%B、1.5%C、2.0%...
Friday, July 28, 2023
问题:高炉内型增大炉腹高度会使()。A、炉料在炉腹区停留加长,减轻炉缸熔炼负荷B、不利于炉缸熔炼C、燃料消耗增加...
Sunday, December 10, 2023
Friday, March 15, 2024