The effect of continuous extrusion forming(CEF) process on the microstructure and mechanical properties of a CuCrZr welding joint was investigated. The experime
Laboratory culture experiments showed that < 100μmol/L nitrate, amonium or mixture of aminoacids promote the growth of the red tide organism Prorocentrum mican
The Okinawa Trough is different from other typical backarc spreading basins because the acidic vol-canic rock(pumice)is extensively distributed in it.Systematic