Objective To investigate the average direct and indirect intensive care nursing time per day or shift of patients after extracorporeal circulation ope ration in order to arrange manpower reasonablely.
In order to employ the fundation effect of market deploying fertilizer resources, fertilizer circulation system in china changed from direct administion to indirect administion.
我国化肥流通的管理体制由直接管理改为间接管理，充分发挥了市场在配置化肥资源方面的调节作用。
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ComEnCo manufactures direct and indirect fired air heaters heating re-circulation air for automotive paint curing ovens.