Results 141 to 150 of about 8,024 (159)

Interstellar Polarization by Graphite–Silicate Grain Mixtures

Nature, 1969
The observed wavelength dependence of interstellar polarization may be understood on the basis of graphite–silicate grain mixtures.
openaire   +1 more source

Kinetics of Mullite Grain Growth in Alumino Silicate Fibers

Journal of the American Ceramic Society, 2005
Grain growth kinetics of mullite in laboratory‐produced and commercial (3M‐Nextel 720) alumino silicate fibers was analyzed in the temperature range between 1500° and 1700°C. The lab fibers consist of mullite plus traces of α‐alumina, while the phase content of the commercial Nextel 720 fibers is about 60 wt%
Schmücker, M., Schneider, H., Mauer, T., Clauß, B.   +3 more
openaire   +2 more sources

Laboratory Measurements on the Infrared Features of Interstellar Silicate Grains

Symposium - International Astronomical Union, 1980
Thin layers of an amorphous silicate coating were obtained by ion sputtering of crystalline olivine on KBr substrates. The dielectric functions of the coating were determined from reflection and transmission measurements in the wavelength range between 5 and 25 μ.
openaire   +1 more source

Interstellar Silicate Dust: Modeling and Grain Alignment

2013
We examine some aspects of the alignment of silicate dust grains with respect to the interstellar magnetic field. First, we consider possible observational constraints on the magnetic properties of the grains. Second, we investigate the role of collisions with gas atoms and the production of H2 molecules on the grain surface in the alignment process ...
openaire   +1 more source

Grain-Boundary Diffusion Kinetics in Silicate and Oxide Minerals

1991
Geologists have long held the belief that diffusion along grain boundaries in rocks would provide the means for mass transport over distances in the range of centimetres to metres needed to explain various metasomatic phenomena. Indeed, measured grain-boundary diffusion coefficients support this belief, as the ratio D i GB /D i VOL is commonly greater ...
openaire   +1 more source

The changes in macronutrients and microbial community structure during the co-composting of white wine distillers’ grains and potassium silicate

Journal of Cleaner Production, 2021
Jianxin Dong, Rayyan Khan
exaly  

Insights into the thermal effect on the fracture toughness of calcium silicate hydrate grains: A reactive molecular dynamics study

Cement and Concrete Composites, 2022
Xi Jiang, Mathieu Bauchy, Shaoqi Zhang   +2 more
exaly  

Bibliography of fine-grained siliceous deposits

Open-File Report, 1980
openaire   +1 more source

Samples of Stars Beyond the Solar System: Silicate Grains in Interplanetary Dust

Science, 2003
Lindsay Keller, Robert M Walker, Ernst Zinner   +2 more
exaly  

Presolar silicate grains: Abundances, isotopic and elemental compositions, and the effects of secondary processing

Geochemical Journal, 2016
Pierre Haenecour, Christine Floss
exaly