The method of two-step melt blending was used to prepare polycarbonate/polypropylene/attapulgite ternary nanocomposite, and the various techniques including gel
The electrical conductivity of sintered Gr2O3 mixed with 2% and 5% (in molar fraction) TiO2 or CuO was investigated in the temperature range 500-900℃ in air an
Study and research in language,society and cultural difference field is very interesting and meaningful.Knowing the diversity of different culture we could get