Results 121 to 130 of about 868 (182)

Sustainable Concrete Production Using Granodiorite, Alkali Feldspar Granite, and Mafic Metavolcanic Rock Powders as Supplementary Cementitious Materials. [PDF]

Materials (Basel)
Faried AS, Fathy N, Morsi WM, Dawoud M, Mahmoud AS, Osman KM.   +5 more
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Provenance, diagenesis, and depositional environment of Miocene Kamlial Formation, Azad Jammu and Kashmir, Sub Himalayas, Pakistan: Evidences from field observations and petrography. [PDF]

Heliyon
Khan M, Khan R, Islam SU, Khan A, Zhong Y, Awwad FA, Ismail EAA.   +6 more
europepmc   +1 more source

Effect of Temperature and Pyrolysis Atmosphere on Pore Structure of Sintered Coal Gangue Ceramsites. [PDF]

Materials (Basel)
Zhao B, Duan X, Li Y.
europepmc   +1 more source

Experimental crystallization of analcime zeolite from clay and feldspar precursors. [PDF]

Sci Rep
Bello AM, Salisu AM, Amao AO, Alade OS, Mahmoud M, Al-Ramadan K.   +5 more
europepmc   +1 more source

Polymer-Assisted Tailings Dewatering in Seawater and Continental Water for Copper Flotation. [PDF]

Polymers (Basel)
Olcay RH, Henriques AB, Valadão GE, Reyes IA, Juárez JC, Reyes M, Pérez M, Flores MU.   +7 more
europepmc   +1 more source

Infrared Absorption in Microcline

Infrared Absorption in Microcline
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Study of paramagnetic and luminescence centers of microcline feldspar

Applied Radiation and Isotopes, 2005
Microcline feldspar crystal has been analyzed in order to determine the centers suitable for use in ESR and luminescence dating. ESR measurements at RT showed the Fe3+ line, and at 77K the Si-O(-) ..X signal with g=2.0052, 2.0098 and 2.0128. TL glow peak at 157 and 300 degrees C in UV interval were observed and in the VIS range we noted peaks at 150 ...
Oswaldo Baffa, Sonia Hatsue Tatumi, Angela Kinoshita   +2 more
exaly   +3 more sources

The microcline-sanidine stability relations

Geochimica Et Cosmochimica Acta, 1954
Abstract States that are structurally intermediate between the triclinic and monoclinic modifications of KAlSi3O3 are described and discussed with relation to order-disorder in alloys. X-ray powder diffraction data on microcline are given. Intermediate states were produced by heating microcline well above the temperature of its inversion to sanidine.
Fritz Laves, Julian R Goldsmith
exaly   +2 more sources

Infrared Absorption in Microcline [PDF]

Journal of science of the Hiroshima University. Series C, Geology and mineralogy, 1966
Infrared absorption spectra appearing on the microcline specimens, collected from the Ishikawa pegmatite deposit in Fukushima Prefecture, Japan, have been prudently inspected especially by means of polarised radiation. The results thus obtained have not been so much agreeable with the data given previously for the fine-grained or synthesized specimens ...
UMEGAKI, Yoshiharu, IIISHI, Kazuaki
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NMR of albite–microcline series

Nature, 1984
The chemical bonding in silicates has been studied experimentally and theoretically1. Spinning at 54.72° yields sharp peaks in NMR patterns for 29Si and 27Al (refs 2, 3). Qualitative interpretation of the isotropic chemical shift is useful, but the interrelated effects of framework geometry, cation substitution and hydrogen bonding must be quantified ...
Joseph V. Smith, C. Scott Blackwell, Guy L. Hovis   +2 more
openaire   +1 more source