The effects of single-wire unitary pulsed metal inert-gas(MIG), synergic pulsed MIG and double-wires tandem MIG welding processes on the microstructures and properties of high strength Al-Cu alloy welds were investigated.

It developedthe syndrome differentiation dependent treatment system,this system took on meridian and viscera syndrome differentiation as core and directed by concept of wholism and combination of differentiation of syndrome and disease,used comprehensive analysis of the pulse condition andsyndrome as main methods,principles of treatment i.

Objective To study the microanatomy of the anastomotic veins of superficial cerebral veins and discuss its clinical application.

to study origin, diameter, course, branches and distribution of occipital artery, and provide anatomical data for extracranial-intracranicial arterial anastomisis and occipital-vertebral arterial anastomosis.