Configuration design of a kind of new typed double parallel main manipulator;

Analysis on welder's operating methods influencing quality of fillet weld of stainless sheet plate

In this article,some main factors which affected the performance of plasma cutting machine is introduced,which including material of workpiece,cutting current,air pressure and flux,nozzle diameter and operating method,the material of electrode and the consumptive features.

Study of four-handed technique applied in porcelain-fused-to-metal restoration;

Objective To explore the key of nurses cooperation,advantage and disadvantage of the four-handed technique in children root canal treatment.

Study on the benefits of four-handed dentistry in dental practice in department of stomatology;

Four-handed dentistry nursing in the root canal therapy;