Results 31 to 40 of about 267,019 (291)

Light-driven nucleation, growth, and patterning of biorelevant crystals using resonant near-infrared laser heating

Nature Communications, 2023
Spatiotemporal control over crystal nucleation and growth is of fundamental interest for understanding how organisms assemble high-performance biominerals, and holds relevance for manufacturing of functional materials.
Marloes H. Bistervels, Balázs Antalicz, Marko Kamp, Hinco Schoenmaker, Willem L. Noorduin   +4 more
doaj   +1 more source

Authigenic Clays Versus Carbonate Formation as Products of Marine Silicate Weathering in the Input Sequence to the Sumatra Subduction Zone

Geochemistry, Geophysics, Geosystems, 2022
We use geochemical and petrographic data from anoxic sequences of the Nicobar Fan to document extensive marine silicate weathering (MSiW) in the input sediment of the Sumatra subduction zone and the conditions that result in authigenic minerals ...
M. E. Torres, K. L. Milliken, A. Hüpers, J.‐H. Kim, S.‐G. Lee   +4 more
doaj   +1 more source

The influence of water–rock interactions on household well water in an area of high prevalence chronic kidney disease of unknown aetiology (CKDu)

npj Clean Water, 2021
Poor drinking water quality in household wells is hypothesised as being a potential contributor to the high prevalence of chronic kidney disease of uncertain aetiology (CKDu) among the farming communities of the Medawachchiya area, Anuradhapura, Sri ...
Liza K. McDonough, Karina T. Meredith, Chandima Nikagolla, Richard B. Banati   +3 more
doaj   +1 more source

Mechanochemical synthesis and characterization of strontium substituted apatite for biomedical application

Open Ceramics, 2023
Strontium-substituted apatite has been proposed as a promising material for osteoporosis treatment. Several synthesis methods have been attempted in the past.
Yuta Otsuka, Besim Ben-Nissan, Hiroshi Kono, Tetsuo Sasaki, Masafumi Kikuchi   +4 more
doaj   +1 more source

The Monterey event in the Mediterranean: A record from shelf sediments of Malta [PDF]

, 1996
Oligo-Miocene carbonate platform and shelf sediments outcropping on the Maltese Islands provide an excellent archive of the paleoceanography of the central Mediterranean.
Helmut Weissert, Elizabeth Jacobs, Weissert, H, Shields, G, Peter Stille, Jacobs, E, Stille, P, Graham Shields   +7 more
core   +1 more source

Interaction of Celestine Concentrate and Reagent Grade SrSO4 with Oxalate Solutions [PDF]

Acta Montanistica Slovaca, 2012
The interaction of reagent grade strontium sulphate and celestine concentrate with aqueous solutions of oxalic acid, sodiumoxalate and ammonium oxalate for the production of strontium carbonate were investigated for different oxalate compound:SrSO4 ...
Abdullah Obut
doaj  

Substitution of Ca2+ by Sn2+ and Sr2+ cations in P. placenta shells and single-crystal calcite through ion exchange reactions

Materials Research Express, 2021
Tin (Sn ^2+ ) and strontium (Sr ^2+ ) are potential replacements to lead (Pb ^2+ ) in perovskite synthesis since Sn is on the same IVA group in the periodic table as Pb while Sr is a promising alternative according to Goldschmidt’s rules and quantum ...
Jonathan B Junio, Marlon T Conato, Candy C Mercado   +2 more
doaj   +1 more source

Performance and Environmental Evaluation of Stabilized Base Material with Strontium Slag in Low-Volume Road in China

Advances in Civil Engineering, 2019
Strontium slag, a by-product of the strontium carbonate refining industry, has been produced at million tons per year in China. The use of strontium slag in the roads could reduce the demand of virgin materials and help solve the environmental problems ...
Teng Wang, Qiulin Tao, Zhaoxing Xie
doaj   +1 more source

A multi-proxy study of the Kalkkop impact Crater Lake deposits in south-central South Africa: implications for late neogene climate evolution [PDF]

, 2014
Includes bibliographical references.The Kalkkop Crater Lake deposit formed as a result of a meteorite impact, and is situated ~51 km southwest of Graaff-Reinet in the Southern part of South Africa.
Mthembi, Ponani
core   +1 more source

Catalytic Activity of a Composition Based on Strontium Bismuthate and Bismuth Carbonate at the Exposure to the Light of the Visible Range

International Journal of Chemical Engineering, 2018
This paper presents the results pertaining to studying the properties of the photocatalytically active composition of strontium bismuthate SrBi2.70O5.05, SrBi2.90O5.35, and SrBi3.25O5.88 and bismuth carbonate (BiO)2CO3 in molar ratios 1/0.67, 1/0.56, and
K. S. Makarevich, A. V. Zaitsev, O. I. Kaminsky, E. A. Kirichenko, I. A. Astapov   +4 more
doaj   +1 more source