This paper analyses conditions about rotational resistace of carring idlers on belt conveyor by using method of sample inspection and date processing,as well,puts forword improving measures how to reduce rotational resistance of carring idlers.

Simplified aerodynamic model of insect flight with rotational aerodynamic effect;

Design and analysis of an one-dimensional micro-positioning rotation stage;

Approach of Orientation of Spacecraft on the Basis of Quaternary Models of Rotation of Rigid Body;

Dalembert s theorem is employed in this article to solve the problem of mass point system turning around a moving Point, the way proposed in this article is more simple, convenient and coefficient than the traditional way in which the equation and the procedures arc very comlicated.

this essay presents the importance of the body s turning in Taici.

The features of the moulding process for transceiver rotors were analyzed.

The application of moment of inertia real time compensation in the rewinder web tension control;

Measuring method and error analysis on moment of inertia of complex shaped components;