Results 101 to 110 of about 6,007 (248)

Water/rock interactions in experimentally simulated dirty snowball and dirty iceball cometary nuclei [PDF]

open access: yes
In the dirty snowball model for cometary nuclei, comet-nucleus materials are regarded as mixtures of volatile ices and relatively non-volatile minerals or chemical compounds.
Allton, Judith H., Gooding, James L.
core   +1 more source

One – and Two-Step Resonance Energy Transfer Between Cyanine Dyes in Layered Silicates Colloidal Systems [PDF]

open access: yes, 2013
Resonance energy transfer (RET) is of high interest for both the basic research and practical applications. It is a phenomenon of radiationless transmission of energy between donor and acceptor molecules.
Bohac, P., Bujdak, J., Czimerova, A.
core  

CONTROLLING FACTOR IN ALUMINA PILLARED SAPONITE AND ALUMINA PILLARED MONTMORILLONITE SYNTHESIS

open access: yesIndonesian Journal of Chemistry, 2010
The effect of synthesis parameters to the physical properties of pillared saponite and pillared montmorillonite was examined. Mol ratio of Al to clay mass in the range 1.0 - 5.0 and two different calcination methods; conventional calcination and ...
Is Fatimah   +2 more
doaj   +1 more source

The Investigation of Chlorate and Perchlorate/Saponite Mixtures as a Possible Source of Oxygen and Chlorine Detected by the Sample Analysis at Mars (SAM) Instrument in Gale Crater [PDF]

open access: yes
The Sample Analysis at Mars (SAM) instrument on board the Curiosity Rover has detected O2 and HCl gas releases from all analyzed Gale Crater sediments, which are attributed to the presence of perchlorates and/or chlorates in martian sediment.
Clark, J.   +3 more
core   +1 more source

Organic-inorganic spatial relationships in carbonaceous chondrites [PDF]

open access: yes, 2002
The use of a novel technique to determine the spatial relationships of organic and aqueously produced inorganic phases in carbonaceous chondrites, in order to support proposals of a genetic link between the ...
Gilmour, I.   +3 more
core  

Hydration-Induced Local Molecular Structures in Nano-Layered Clay Particles [PDF]

open access: yesЖурнал нано- та електронної фізики, 2013
Positronium (Ps) annihilation spectroscopy and thermogravimetry and differential thermal analysis (TG-DTA) were conducted for synthetic smectite clay minerals to investigate local molecular structures induced by water adsorption and desorption.
K. Sato, K. Numata
doaj  

Магнитоуправляемый глиносодержащий глинистый сорбент для удаления красителей из водных растворов [PDF]

open access: yes, 2015
Проблематика. Сорбенти на основі сапонітової глини є дешевими і водночас ефективними відносно органічних забруднювачів, барвників, іонів важких металів.
Astrelin, I. M.   +8 more
core  

New petrographic and trace element data on thermally metamorphosed carbonaceous chondrites [PDF]

open access: yes, 1999
Mineral grains and matrix of heated chondrites Yamato (Y)-82162,Belgica (B)-7904,Y-86720,and Asuka (A)-881655 were examined for major elements and, where appropriate, phyllosilicate and matrix samples were characterized by TEM. CM chondrites A-881655 and
Bell,Mary Sue   +2 more
core   +1 more source

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