黏性阻力

以总呼吸道黏性阻力（R5）≥115%正常预计值作为异常时，其敏感度和特异度则分别为0.61和0.63；

The sensitivity and specificity were 0.61 and 0.63 when respiratory resistance at 5 Hz ( R5 )≥ 115 % normal predicted was adopted as abnormal ;

中度肥胖组的呼吸道总黏性阻力占预计值百分比较正常体重组显著升高（P<0.05）。

Meanwhile total respiratory resistance increased significantly in the subjects with moderate obesity ( P < 0.05 ) .

测量误差主要由钢丝重量变化和介质黏性阻力产生。

The measure error is main bringed by both weight change of steel wire and emplastic resistance of medium .

沿程黏性阻力与车道长度、流量沿车流方向的变化率和沿程黏性阻力系数成正比；

Section viscosity resistance is in proportion to the length of the section , flow grads along stream direction and section viscosity factor .

提出了物理意义明确、计算简便的交通压力和黏性阻力系数以及黏性阻力。

The traffic pressure , viscosity factor and viscosity resistance is proposed . Their physical significance is clear and can be easily to calculate .