Results 11 to 20 of about 461,365 (301)

Elemental Composition of Tagar Copper-Bronze Sickle-Shaped Tools

Вестник Кемеровского государственного университета, 2022
The article features the elemental composition of copper and bronze sickle-shaped tools of the Tagar culture. The structure and composition of metal sickles have been the focus of chemical and spectral quantitative analyses since the 1950s.
A. S. Savel’eva
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Study of the composition of innovative materials for the restoration and strengthening of machine parts [PDF]

MATEC Web of Conferences, 2020
The article describes promising, innovative materials for the restoration of machine parts. The elemental composition was studied by atomic emission spectrometry with inductively coupled plasma.
Gorin Andrei, Kuznetsov Ivan, Prokoshina Tatiana, Byrlakova Elena, Kolpakova Svetlana   +4 more
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Chemical Composition of PM₁₀ in 16 Urban, Industrial and Background Sites in Italy

Atmosphere, 2020
Italy is characterized by a very variable configuration in terms of altitude, proximity to the sea, latitude and the presence of industrial plants. This paper summarizes the chemical characterization of PM10 obtained from 38 sampling campaigns carried ...
Cinzia Perrino, Maria Catrambone, Silvia Canepari   +2 more
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Elemental markers in elasmobranchs: effects of environmental history and growth on vertebral chemistry. [PDF]

PLoS ONE, 2013
Differences in the chemical composition of calcified skeletal structures (e.g. shells, otoliths) have proven useful for reconstructing the environmental history of many marine species.
Wade D Smith, Jessica A Miller, Selina S Heppell   +2 more
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Elemental Composition of Commercially Available Cannabis Rolling Papers [PDF]

ACS Omega
Derek Wright, Michelle M. Jarvie, Benjamin Southwell, Carmen Kincaid, Judy Westrick, S. Sameera Perera, David Edwards, Robert B. Cody   +7 more
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A comparison between multivariate linear model and maximum likelihood estimation for the prediction of elemental composition of coal using proximate analysis

Results in Engineering, 2022
The elemental composition of coal is essential for analysing the overall process of energy conversion systems. Simultaneous information regarding the elemental composition of coal fed into a boiler is of increasing interest for plant operation.
Fuguo Liu
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Elemental composition of Malawian rice [PDF]

Environmental Geochemistry and Health, 2016
En Malawi se han identificado deficiencias dietéticas potenciales generalizadas de calcio (Ca), hierro (Fe), yodo (I), selenio (Se) y zinc (Zn). Es probable que varias deficiencias se vean agravadas por el alto consumo de ácido fítico (AP). El arroz (Oryza sativa) se consume comúnmente en algunas poblaciones de Malawi, y su contenido de micronutrientes
Edward J. M. Joy, E. Louise Ander, Martin R. Broadley, Scott D. Young, A. D. Chilimba, Elliott M. Hamilton, Michael J. Watts   +6 more
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The elemental composition of Patrinia scabiosifolia

Acta Biomedica Scientifica, 2018
Aim. To study the mineral composition of the aerial organs of Patrinia scabiosifolia Fisch. ex Link. Materials and methods. Objects of research - leaves and flowers of Patrinia scabiosifolia Fisch.
E. G. Privalova, V. A. Yakovleva
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Quality evaluation of wines from Kosovo and Metohija: Polyphenols content, antioxidant activity and elemental composition [PDF]

Bulletin of Natural Sciences Research, 2022
Wine is a very rich source of polyphenols and essential elements which have multiple biological activities. This study evaluates the total phenolic content (TPC), antioxidant activity (AA) of sixteen wine samples made from different grape varieties in ...
Jevtić Sonja, Mutić Jelena, Đurđić Slađana, Babincev Ljiljana, Gurešić Dejan, Stanković Dalibor M., Petković Branka B.   +6 more
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Elemental composition of coccoliths: Mg/Ca relationships

Scientia Marina, 2013
Coccolithophores produce calcium carbonate platelets, the coccoliths, and play a significant role in the C and Ca cycles. Coccoliths are important components of marine biogenic carbonate sediments and their chemical analysis can provide tools for ...
Lluïsa Cros, José Manuel Fortuño, Marta Estrada   +2 more
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