Zobrazeno 1 - 10
of 1 075
pro vyhledávání: '"Chemical element"'
Autor:
Lykknes, Annette1 annette.lykknes@ntnu.no, Van Tiggelen, Brigitte2 vantiggelen@memosciences.be
Publikováno v:
Centaurus: Journal of the European Society for the History of Science. Nov2019, Vol. 61 Issue 4, p287-298. 12p. 1 Diagram.
Autor:
Halton, Brian1 brian.halton@vuw.ac.nz
Publikováno v:
Chemistry in New Zealand (Christchurch). Jan2019, Vol. 83 Issue 1, p12-19. 8p.
Publikováno v:
RUDN Journal of Ecology and Life Safety, Vol 32, Iss 1, Pp 51-60 (2024)
One of the conditions for the normal functioning of a living organism is a constant supply of clean and high-quality drinking water. This is also true for the population. Therefore, during the study, the characteristics of the content of heavy metals
Externí odkaz:
https://doaj.org/article/741f11e491854815a1e0c587e65ea7d8
Autor:
Marie Garnier, Eric Lesniewska, Virgil Optasanu, Bruno Guelorget, Pascal Berger, Luc Lavisse, Manuel François, Irma Custovic, Nicolas Pocholle, Eric Bourillot
Publikováno v:
Nanomaterials, Vol 14, Iss 7, p 628 (2024)
Conventional techniques that measure the concentration of light elements in metallic materials lack high-resolution performance due to their intrinsic limitation of sensitivity. In that context, scanning microwave microscopy has the potential to sign
Externí odkaz:
https://doaj.org/article/19eac27543794c88814ba73c388506eb
Autor:
Ronei Clécio Mocellin, Martín Labarca
Publikováno v:
Substantia (2023)
The concept of ‘element’ is one of the most important concepts in the chemical sciences. It plays a key role to explain the chemical reactions and the basis of the periodic table. It is also central to the modern philosophy of chemistry because o
Externí odkaz:
https://doaj.org/article/bafb80bc35d74fa6bc818bb3d827e1a1
Autor:
Feng-Ping Zhang, Shi-Bao Zhang
Publikováno v:
Global Ecology and Conservation, Vol 47, Iss , Pp e02663- (2023)
The relationship between floral longevity and the chemical elements that support plant survival, growth and reproduction remains unclear. Here, we used 12 Paphiopedilum (Cypripedioideae, Orchidaceae) species with long-lived flowers to investigate the
Externí odkaz:
https://doaj.org/article/60bed6ac1bd54d6aad29ff05f401b243
Publikováno v:
Media Komunikasi Teknik Sipil, Vol 28, Iss 2, Pp 241-249 (2023)
Puddles such as peat water on the surface of the bending pavement can accelerate the aging process, disintegration and cause damage. The purpose of the study was to determine the effect of the aging process due to peat water soaking on the durability
Externí odkaz:
https://doaj.org/article/0203d72408164d9a93d522ef41caad7b
Publikováno v:
Central Asian Journal of Water Research, Vol 9, Iss 1, Pp 19-32 (2023)
The article describes the monitoring results of the content of chemical elements (As, Cr, B, Ba, Li, Mo, Pb, Sb, Sr, U, and Cr) in the water of transboundary rivers of Kazakhstan (Shagan, Ural (kaz. Zhayik), Ilek, Tobol, Ayat, Irtysh (kaz. Yertys), E
Externí odkaz:
https://doaj.org/article/d84ed39a2aac48e5bf8f6c57a5118ff1
Publikováno v:
Open Chemistry, Vol 21, Iss 1, Pp 1348-56 (2023)
Abstracted from real compounds, chemical elements can be considered a system tied by chemical bonds (or bonding relationships) between two elements, namely the chemical element and chemical bond system. Then, elements, bonds and their properties can
Externí odkaz:
https://doaj.org/article/f1c36086ae9346a2a7e89e7fe47c216a