The complex superplastic forming (SPF) technology applying gas pressure and compressive axial load is an advanced forming method for titanium alloy bellows, who
Satellite altimetry can provide the geoid in ocean areas with a level of precision of about 10 cm. Such a precise geoid offers a good opportunity for studying the marine gravity field. The basic mathe
LaF3 superfine powder was synthesized from La(CH3COO)3 and NH4 F by microwave heating method,using ethanol or pure water as dispersants respectively. The result
The surveying under the forest cover, water level and the ground and above special construction (e.g. the steel-making furnace) have become a new project in the agriculture, industry and environment m
<正>Effects of extrusion deformation and heat treatment on microstructures, mechanical properties and texture of AZ31 Mg alloy were investigated. The results sh