weanin相关论文
Effect of noninvasive positive pressure ventilation on weaning success in patients receiving invasiv
Background Noninvasive positive pressure ventilation (NIPPV) has been proposed to shorten the duration of mechanical ven......
底栖硅藻作为鲍幼体的前期饵料,其种类与质量对鲍人工育苗的成败起着至关重要的作用,其种类适宜且数量充足可以延长鲍幼体的附着变......