Effects of water quenching on properties of pyrrhotite in calcines of Huangjingdong concentrates are - DTA techniques.回转窑焙砂中的硫主要以磁黄铁矿形式存在,在高温及酸性气氛下直接水淬冷却时....
Excessive energy is also required to achieve appropriate pressures and vacuums.还需要额外的能量来造成所需的压力和真空.My personal theory is that needs and desires create mental vacuums.我个人的理论是,需求和欲望制造了思想真空.Both vacuums and pure oxygen cond...
The optimum design of the controller of compound active noise cancellation earmuff is discussed.探讨了复合式有源消声耳罩的控制器的优化设计方法.We need at least 24 hours' notice of cancellation.如欲取消，请至少提前24小时告知。The cancellation of the foot...
He was trying to woo the daughter of a Missouri aris - tocrat.他正试图追求一位密苏里的豪门小姐.In past presidential elections, Missouri has been a barometer of the rest of the country.在过去的总统选举中，密苏里州一直是国内其他州的晴雨表。The Missouri River is the...