In the process of composting with high temperature and aeration for three kinds of animal wastes, the effect of different aeration ways to turn over and agitate on composting are compared, including complete forced aeration, semi- circulating forced aeration and non forced aeration.

Summary of three ventilation modes of respiration machines;

Design and realization of test bed for ventilation mode based on active servo lung

This article analyses the principle of the PAV,researches into its clinical applications,estimates its merits and demerits,and discusses the new ventilation mode in contrast with the old ones.

Study on choosing conventional ventilation modes in adult mechanical ventilated patients during fiberoptic bronchoscopy procedure

Various kinds of respirator\'s ventilation modes bring difficulty to the medical staff and the medical engineer for correct application and maintenance.

ccording to the characters of disasters in gas-logged, inflammable and thick seam of coal face, by analyzing and comparing the advantages and disadvantages of the current ventilation methods, a new ventilation method with technique, economy and safety as a whole is brought forward.