نتایج جستجو برای: sodalite membrane
تعداد نتایج: 389432 فیلتر نتایج به سال:
On nepheline, sodalite, and orthoclase from the nepheline syenite of Dungannon, Hastings County, Ont
Hackmanites, a variety of sodalite with the general formula Na8Al6Si6O24(Cl,S)2, are family nature-based smart materials having ability for reversible photochromism upon UV or X-ray exposure. Being nontoxic, cheap, and durable, hackmanite would be an optimal material visual detection presence X-rays in simple portable systems. However, its X-ray-induced coloring abilities so far known only qual...
The utilization of hydroxy sodalite (H-SOD) as catalyst under solvent-free condition is described for the efficient preparation of tetrahydrobenzo[b]pyrans. These compounds are synthesized by three-component reactions of aldehydes, alkylnitriles and dimedone. H-SOD that is the waste-product of zeolite manufacturing process is used as an efficient and a very inexpensive catalyst. Furthermore, it...
A new host-guest hybrid system with MnS clusters confined in a chalcogenide-based semiconductor zeolite was for the first time constructed and its photoluminescence (PL) properties were also investigated. The existence of MnS clusters in the nanopores of the semiconductor zeolite was revealed by UV-Vis absorption spectroscopy, steady-state fluorescence analysis, Raman as well as Fourier transfo...
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