The possible ways and progress of infrared or red laser pumped green and blue laser emissions from a single solid state material doped by rare earth ions are ou
A different pressure thermally coupled reactive distillation column(DPT-RD) for the hydrolysis of methyl acetate(Me Ac) is developed, and its design and optimiz
The effects of various rare earth elements on growth and isoflavonoid production in hairy root cultures of Pueraria lobata(Willd.) Ohwi(strain TR2) cultured in
<正>On February 10,2015 the Yangzi Petrochemical Company(YPC)had successfully put on stream at the first attempt the revamped unit for olefins removal through h
The CeTi2O6, which is formed above 1300 ℃ by ceramic method, was obtained at 700 ℃ using sol-gel synthesis method. XRD analysis shows that there is 8% deficie