Thursday, September 22, 2022
水中能够上浮水面的一般是体积(),相对密度小于水的有机悬浮物。...
Thursday, September 22, 2022
当渗透达到平衡时,浓溶液侧的液面会比稀溶液的液面高出一定高度,即形成一个压差,此压差即为()。...
Thursday, September 22, 2022
问答题气体的绝对温度为310K、593K,则摄氏温度是多少?...
Monday, December 19, 2022
判断题“三违”是指违反安全、工艺、劳动纪律。A 对B 错...
Monday, June 3, 2024
Thursday, September 22, 2022
在敞开式循环冷却水系统中,水温为()时,腐蚀速率最大。...
Thursday, September 22, 2022
在冷却水系统中冷却器进、出水阀和上塔阀等开度不变,仅增大循环水流量,则出水压力()、循环水压差()。...
Thursday, September 22, 2022
填空题在冷却塔内,水的冷却主要是由()和接触传热来完成的。...
Sunday, April 14, 2024
无阀滤池过滤水量太大会冲乱滤池中的滤料,降低过滤效果。...
Thursday, September 22, 2022
Thursday, September 15, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
可燃物在氧气中燃烧比在空气中燃烧的速度快,其原因是的()...
Thursday, September 22, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
Tuesday, September 20, 2022
用纯度为40%的固体聚合铝配制溶液,现加入固体聚合铝1000千克、水10吨,则溶解后的聚合铝溶液质量百分比浓度等于()%...
Saturday, September 17, 2022