在英国,冬天并不很冷,夏天并不很热。夏季和冬季并没有很大的不同。这是为什么呢? In the UK, winter is not very cold and summ......

The EGR (exhaust gas recirculation) technique can greatly reduce the NOx emission of diesel engines, especially when an ......

A 3-D mathematical model was presented for the cooling process of iron ore pellets based on the laws of mass, momentum, ......

An inter-phasing pulse tube cooler (IPPTC) consists of two pulse tube units, which are connected to each other at hot en......

通过对甲醇精馏常压塔冷却器出气温度高现象的描述,指出原因并进行分析,经采取措施进行改造后,解决了冷却器出气温度高的问题。 T......

Generally, the cooler life can determine the blast furnace life. The slag-metal skull frozen on the cooler can separate ......