Cu(Ⅱ)biosorption by orange peel that was chemically modified with sodium hydroxide and calcium chloride was investigated.The effects of temperature,contact tim
MnWO4 (huebnerite) with flower-like clusters of nano-plates was produced from the solutions containing MnCl2·4H2O and Na2WO4·2H2O by the 300 ℃ spray
WC-Co is used widely in die and mold industries due to its unique combination of hardness, strength and wear-resistance. For machining difficult-to-cut material