Analyses show that asymmetricvorticity advected by symmetric flow gives rise to the counterclockwise rotation of small-scalegyres and ventilation flow in the asymmetric field,the latter of which is responsible for thecounterclockwise looping of the tropical cyclone.

To set the friction torque limiter at an appropriate slip torque may take advantage and eliminate disadvantage of the impact force of motor.

Path analysis on workplace violence affecting work ability,job satisfaction and turnover intent in health professionals in Shangqiu City;