Obstacle Factors Analysis of the Continuous Utilization of Arable Land in Hebei Province;
从不同角度分析了目前我国企业在构筑供应链的过程中所存在的障碍因素。
Objective To observe the clinical therapeutic effect of the modified method for disinfection of oxygen moisture bottles and the time of their continuous utilization.
目的观察改进的氧气湿化瓶消毒方法的临床效果和持续使用时间。
This theory was supported by related experiment: Continuous increase of cardiac output and utilization rate of oxygen could lead to the increase of work capacity of muscle.
这一学说，受到相关的实验支持：心输出量和氧利用率持续增加可导致肌肉的工作能力提高。
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