نتایج جستجو برای: total cations

تعداد نتایج: 823014  

Journal: :CBU International Conference Proceedings 2018

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Journal: :Kvasny Prumysl 1985

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Journal: :Journal of the American Chemical Society 2011

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1995
Jonas Barklund Patricia M. Hill

The expressiveness of the declarative language G odel can be improved by adding to it bounded quanti cations, i.e., quanti cations over nite domains, and arrays. Many problems can be expressed more concisely using bounded quanti cations than using recursion. Arrays are natural for many applications, e.g., in scienti c computing, and are conveniently used in bounded quanti cations. Treating bou...

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Journal: International Journal of Nano Dimension 2018
Gomaa Abdelgawad Mohammed Ali, Hamidreza Sadegh, Masoumeh Sayadian,

Calix[8]arenes of conformational rigid were isolated. The NMR parameters of the structure of calix[8]arenes have been compared. The study of organic structures to form nanoporous materials is well-known in chemistry phenomena to find the crystal form of calix[8]arene as supramolecule. Investigated and compared hydrogen bonding, oxygen and nitrogen atoms effect on calix[8]arene and its complexes...

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Journal: International Journal of Nano Dimension 2018
Gomaa Abdelgawad Mohammed Ali, Hamidreza Sadegh, Masoumeh Sayadian,

Calix[8]arenes of conformational rigid were isolated. The NMR parameters of the structure of calix[8]arenes have been compared. The study of organic structures to form nanoporous materials is well-known in chemistry phenomena to find the crystal form of calix[8]arene as supramolecule. Investigated and compared hydrogen bonding, oxygen and nitrogen atoms effect on calix[8]arene and its complexes...

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Journal: :Plant Physiology 1979

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Journal: :Science 2010

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ژورنال: بلورشناسی و کانی شناسی ایران 2008
کاشانی مطلق, مهدی, قبادی, میترا , یوزباشی, امیر علی,

Gharenaz bentonite contains montmorillonite as the major mineral constituent and Ca as the major exchangeable cation. In the present study, the structural changes occurred in the course of acid activation of this bentonite was investigated by chemical analysis using  ICP-AES and phase analysis using XRD methods. Chemical analysis showed that most of the exchangeable cations i.e. K+, Na+ and Ca2...

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Journal: :Proceedings of the International Astronomical Union 2019

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