问题:不利于合成氨N2+3N2<=>2NH3+92.4KJ的条件是()...
Saturday, September 10, 2022
Saturday, September 10, 2022
问题:清净塔内次氯酸钠有效率必须要有保障1#塔(),2#塔()。A、0.06、0.08B、0.04、0.06C、0.06、0.08D、0.08、0.12...
Tuesday, February 21, 2023
问题:电石粒度越小越利于完全反应,所以电石粒度越小越好。...
Thursday, December 28, 2023
问题:催化剂的熔流指数低于0.3时,终产物上()的危险性会增大。...
Saturday, September 10, 2022
Tuesday, September 13, 2022
Sunday, October 29, 2023
问题:可燃性物质的悬浮粉尘达到一定浓度与空气混合后遇明火的爆炸称为粉尘性爆炸。...
Thursday, October 27, 2022
Saturday, September 10, 2022
问题:干法乙炔发生器反应完的电石渣是干的,可以直接造水泥。...
Friday, July 7, 2023
Saturday, September 10, 2022
Friday, November 3, 2023
问题:下列物质的俗名与分子式不相符合的是()A、电石CaC2B、冰晶石Na3AIF6C、萤石MgF2D、石灰石CaC03...
Monday, October 16, 2023
问题:斗提机内气样不合格的是由何造成的?防止爆炸的措施有哪些?...
Saturday, September 10, 2022
问题:转化器拆大盖前,将转化器内温度降至()A、60℃以下B、80℃以下C、100℃以下D、120℃以下...
Thursday, January 25, 2024
Tuesday, January 31, 2023
Tuesday, September 13, 2022
问题:丁烯-1系统在开车前须用氮气置换使氧含量小于()PPm。A、1B、2C、3D、4[T/]...
Thursday, February 8, 2024
Friday, November 3, 2023
问题:为了测准空气的湿球温度,应将干湿球温度计放在()...
Tuesday, September 13, 2022