Results 101 to 110 of about 7,811 (229)

Potensi Mineral Kasiterit Indonesia sebagai Bahan Baku Pembuatan Senyawa Kimia Timah (Tin Chemical) [PDF]

, 2016
Indonesia mempunyai potensi mineral kasiterit yang cukup besar dan sampai saat ini belum dimanfaatkan secara maksimal. Kasiterit adalah mineral utama timah dengan rumus SnO2, berbentuk kristal dengan permukaan mengkilap sehingga tampak seperti batu ...
Suharyanto, A. (Ariyo)
core   +1 more source

Layered Sol-Gel Deposition of a Sn, Ti, Zn, and Pr Mixed Oxide Thin Film with Electrical Properties for Gas Sensing. [PDF]

Gels, 2023
Dascalu I, Hornoiu C, Calderon Moreno JM, Osiceanu P, Somacescu S.   +4 more
europepmc   +1 more source

Mining traditions in the promotion of Local Heritage. Geological component in the natural and cultural valuing of Serra d’Arga (NW Portugal) [PDF]

, 2010
Serie : Cuadernos del Museo Geominero, n.º 12A selecção de conteúdos geológicos e mineiros, que integram o Centro de Interpretação da Serra d’Arga (CISA), apela fundamentalmente à tradição mineira que vigorou durante o Séc.
Alves, Raquel Cepeda, Gomes, C. Leal, Valente, Teresa Maria Fernandes   +2 more
core  

Sulphate-reducing bacteria-mediated pyrite formation in the Dachang Tongkeng tin polymetallic deposit, Guangxi, China. [PDF]

Sci Rep, 2023
Jia F, Lei X, Yan Y, Su Y, Zhou H, Wei H, Yuan Y, Zou C, Shi X, Yang C.   +9 more
europepmc   +1 more source

Characteristics of Nigeria Inland Placer and Approaches of Exploration and Development —Take the Rare Polymetallic Placer of Nb-Ta-Sn in Jos Plateau as an Example

Kuangchan zonghe liyong
Rare metal placer deposits and gold placer are scattered in Nigeria's inland region. The spacial order of distribution is belt-like. Placers are of complex compositions.
Haifeng LIU, Bin DENG, Yanghao GUO, Baishun LIU, Shuai YUAN, Hongxin ZHANG   +5 more
doaj   +1 more source

Past and current policy issues concerning tropical deforestation in Brazil [PDF]

This paper discusses past and current policies concerning tropical deforestation in Brazil. In the last few years, the Brazilian government has reviewed and changed many aspects of past policies that encouraged deforestation of the Brazilian Amazon ...
Motta, Ronaldo Serôa da
core  

First-principles calculations of equilibrium Ga isotope fractionations between several important Ga-bearing minerals and aqueous solutions. [PDF]

Sci Rep, 2023
Zhang J.
europepmc   +1 more source

Formation and Inhibition Mechanism of Na₈SnSi₆O₁₈ during the Soda Roasting Process for Preparing Na₂SnO₃. [PDF]

Materials (Basel), 2022
Su Z, Liu S, Han B, Zhang Y, Jiang T.
europepmc   +1 more source

Formation of contact and multiple cyclic cassiterite twins in SnO₂-based ceramics co-doped with cobalt and niobium oxides. [PDF]

Acta Crystallogr B Struct Sci Cryst Eng Mater, 2022
Daneu N, Dražič G, Mazaj M, Barou F, Padrón-Navarta JA.   +4 more
europepmc   +1 more source

Insights into the Flotation of Cassiterite-Containing Clinochlore with Hydrophobic Entrainment Based on EDLVO Theory. [PDF]

ACS Omega
Chen Y, Xu B.
europepmc   +1 more source