OBJECTIVE to study the distribution and drug resistance of nosocomial infection pathogens from lower respiratory tract in senile patients and give draft preventive and control measures.
目的探讨老年患者下呼吸道感染常见病原菌的分布及耐药状况，制定针对性预防与控制措施。
The load distribution of draft is a key factor in shape control for plate mills where roll bending system or roll shifting system has not been equipped.
对于缺少弯辊等装置的中板轧机，压下负荷分配是一种重要的板形控制手段。
The results show that the rotating draft tube can improve the movement of particles and change the distribution of particle in the annular.
结果表明，旋转导向管能改善物料的运动特性，并能改变物料落在环形区时的分布。
A hydraulic computation equation for water distribution sytem of counterflow type natural draft cooling tower has been established by applying Bernoulli Equation.
运用伯努利方程建立了逆流式自然通风冷却塔（逆流塔）配水的水力计算方程。
Results the result using draft evaluation showed that case distribution were illogical, incline to level "bad", which indicated that evaluation result was on the low side.
结果草案评估法评估结果病例分布不够合理，过于偏向“差”级别。
Results the result using draft evaluation showed that case distribution were illogical, incline to level "bad", which indicated that evaluation result was on the low side.
结果草案评估法评估结果病例分布不够合理，过于偏向“差”级别。
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