The preparation of aluminium nitride powder by means of direct nitridation under pressurizednitrogen atmosphere and carbothermal nitridation of alumina is studied.
对在加压氮气中金属铝粉的直接氮化和氧化铝粉的碳热还原氮化法制备氮化铝粉末进行了研究。
2
To find a high efficient method to control the nitrogen oxides pollution, pressurized absorption was studied with simulation waste gas.
为寻求高效控制氮氧化物的方法，在实验室用模拟氮氧化物废气对其进行加压吸收。
3
The passive systems consist of large volume tanks (accumulators) which are filled with borated water and pressurized with nitrogen gas.