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