Zobrazeno 1 - 10
of 894
pro vyhledávání: '"minor elements"'
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e36648- (2024)
The ratio of Sr/Ca ions in marine biogenic minerals is considered advantageous for tracking geochemical and biomineralization processes that occur in the oceans. It is debatable, though, whether the ratio in biominerals such as coral skeleton is simp
Externí odkaz:
https://doaj.org/article/1f338fa7af7f42f5928e1aeb5d9bf960
Publikováno v:
Food Science & Nutrition, Vol 12, Iss 1, Pp 268-279 (2024)
Abstract The biological activity of an oil not only depends on its fatty acid composition but also the lipid composition and trace components. In this paper, to select the optimal mushroom oil, the component compositions (fatty acids, lipids, polyphe
Externí odkaz:
https://doaj.org/article/97a36be098d94216ad4c211697d5af09
Publikováno v:
Solid Earth Sciences, Vol 8, Iss 1, Pp 49-67 (2023)
Earth and planetary sciences require extensive microanalyses to quantify most common major and minor elements O, Na, Mg, Al, Si, K, Ca, Ti, Cr, Mn, Fe and Ni in minerals/rocks. With O usually calculated, this is frequently done with expensive electro
Externí odkaz:
https://doaj.org/article/ed6387904b9d4742a0a1f05277e4a234
Akademický článek
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Publikováno v:
Yankuang ceshi, Vol 41, Iss 1, Pp 145-152 (2022)
BACKGROUND At present, the content of Se in soil is mainly determined by atomic fluorescence spectrometry, which has disadvantages such as large usage of acid and relatively complex pretreatment. Determination of high content of Se requires high dilu
Externí odkaz:
https://doaj.org/article/88071316eba94687aed7c628f80746ad
Autor:
Michaela Zeiner, Heidelore Fiedler, Iva Juranović Cindrić, Ivan Nemet, Doris Toma, Iva Habinovec
Publikováno v:
Foods, Vol 12, Iss 16, p 3132 (2023)
Different types of pepper (Piper nigrum L.) and cayenne pepper (Capsicum annuum L.) are widely used spices that exhibit therapeutic properties in addition to nutritional properties. In order to characterize these foods in further detail, the content
Externí odkaz:
https://doaj.org/article/3d6745a0b6b6407fbe9f9bbf8369ca7b
Publikováno v:
Yankuang ceshi, Vol 40, Iss 4, Pp 612-618 (2021)
BACKGROUND The high content of potassium, sodium, zinc, and chlorine in dust ash significantly affects the stable operation of converter. To recycle the dust ash, it is necessary to accurately determine the contents of the components. Dust ash contai
Externí odkaz:
https://doaj.org/article/f7a3489729664f4090080a837bff6a2b
Autor:
Morgana Quteifani Quteifan, Ali Khuder
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 14, Iss 2 (2022)
The objective of this research was to assess the effects of several irrigation solutions (ISOLs) on two major (P and Ca) and some minor (Fe, Zn, and Sr) elements of multi-root canals of radicular dentin in upper premolar teeth using X-ray fluorescenc
Externí odkaz:
https://doaj.org/article/341c9a1e2eb94eb5b1f9b75b56f5e7e4
Autor:
Verónica Martín-León, Carmen Rubio, Ángel Rodríguez-Hernández, Manuel Zumbado, Andrea Acosta-Dacal, Luis Alberto Henríquez-Hernández, Luis D. Boada, María del Mar Travieso-Aja, Octavio P. Luzardo
Publikováno v:
Toxics, Vol 11, Iss 5, p 442 (2023)
Forty-seven elements in leafy green vegetables were studied to estimate the daily intakes from this food category in different scenarios (average and high consumers) and age groups of the Canary Islands population. The contribution of the consumption
Externí odkaz:
https://doaj.org/article/26186f1c88f24f7a8bcc765690435107
Akademický článek
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