Saturday, September 10, 2022
Saturday, September 10, 2022
问题:酸站工艺生产规程规定短丝四站硫酸钠控制范围是()。...
Saturday, September 10, 2022
Friday, January 26, 2024
问题:蒸发加热体刷洗时应穿戴好防护面罩、胶靴和胶皮手套。...
Saturday, November 11, 2023
问题:物质的导热系数表示物质导热能力的大小标志,传热的推动力是()。...
Saturday, September 10, 2022
问题:在蒸发操作中,若使溶液在()下沸腾蒸发,可降低溶液沸点而增大蒸发...
Saturday, September 10, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
问题:蒸发过程中在加热管壁形成结疤,增加了蒸发器的传热系数和效率。...
Thursday, December 29, 2022
问题:换热器型号FB-600-100-25-2中“2”表示()。A、壳程数为2B、压力为2.0MpaC、管程数为2D、压力为2.0khf/cm2...
Wednesday, January 25, 2023
Saturday, September 10, 2022
问题:降膜式蒸发器为了使液体在进入加热管后能有效的成膜,在每根管的顶部...
Saturday, September 10, 2022
Saturday, October 8, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
问题:下列哪些操作与指标控制有关()。A、蒸汽压力B、冷凝水温度C、真空度D、液位...
Friday, March 29, 2024
问题:当酸浴比重偏低时,可适当开大加热器蒸汽阀门进行调整。...
Saturday, September 10, 2022
问题:蒸发一个班蒸水1560t,每小时消耗蒸汽45t,则该蒸发器组的蒸...
Saturday, September 10, 2022