نتایج جستجو برای: silver powder metallurgy

تعداد نتایج: 93725  

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1993

Journal: :Environmental science & technology 2015
Aubrey L Hillman Mark B Abbott JunQing Yu Daniel J Bain TzeHuey Chiou-Peng

Geochemical measurements on well-dated sediment cores from Lake Er (Erhai) are used to determine the timing of changes in metal concentrations over 4500 years in Yunnan, a borderland region in southwestern China noted for rich mineral deposits but with inadequately documented metallurgical history. Our findings add new insight into the impacts and environmental legacy of human exploitation of m...

Journal: :Journal of Chemical Education 1943

Journal: :Journal of the Society of Powder Technology, Japan 1993

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2003

Journal: :Journal of Japan Institute of Light Metals 1984

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 1963

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