Suggested Topics within your search.
Showing 21 - 40 results of 67 for search '"chemical element"', query time: 0.06s Refine Results
  1. 21

    Vestium i Ruthenium na tle historii chemii by Halina Lichocka

    Published 2019-11-01
    “…Westium and Ruthenium against the background of the history of chemistry Abstract Is the chemical element Vestium discovered by Jędrzej Śniadecki the same as the Ruthenium? …”
    Get full text
    Article
  2. 22

    The Role of Molybdenum in the Formation of the Microstructure and Properties of Al-Cu Alloys by S. Stąpór, M. Górny, Ł. Gondek, B. Gracz, M. Kawalec

    Published 2024-12-01
    “…The addition of the tested chemical element at a level of 1 wt.% caused the precipitation of the phases that contained molybdenum, which did not dissolve after heat treatment.…”
    Get full text
    Article
  3. 23

    Buffalo milk quality in southern Italy: trace elements & endocrine disruptors. A One Health analysis by Luigi Jacopo D’Auria

    Published 2023-11-01
    “…The presence of chemical elements in milk could be a tool for geo-referenced traceability down to small-scale, regional soil background levels. …”
    Get full text
    Article
  4. 24

    Polyurethane and rare-earth materials: a review by Guilherme Manassés Pegoraro, Lucas Repecka Alves, Giovanni Miraveti Carriello, Thais de Agrella Janolla, Giovanni Pimenta Mambrini, Maira de Lourdes Rezende, Aparecido Junior de Menezes

    Published 2023-04-01
    “…Commonly, aiming to modify physicochemical properties of the resulting material, other chemical species can be introduced in the polymeric structure, modifying its mechanical, thermal and electronic characteristics and conferring more stability and resistance to external factors. The rare earth chemical elements, composed of lanthanides, Y and Sc, can give the materials such improved characteristics, and are still less researched when compared to other chemical elements. …”
    Get full text
    Article
  5. 25

    Single X-ray Projection Material Decomposition using a Mesh Projector by Fleur Linsen, Domenico Iuso, Jan Sijbers

    Published 2025-02-01
    “…The method assumes that the chemical elements in the mixture and their mass attenuation coefficients are known. …”
    Get full text
    Article
  6. 26

    Phytoplankton and Its Role in Accumulation of Microelements in Bottom Deposits of Azov Sea by Irina V. Dotsenko, Anna V. Mikhailenko

    Published 2019-01-01
    “…Its main functions are consumption of the dissolved biogenic components and chemical elements and their conversion to a firm phase. …”
    Get full text
    Article
  7. 27

    A stoichiometrically derived algal growth model and its global analysis by Xiong Li, Hao Wang

    Published 2010-09-01
    “…Organisms are composed of multiple chemical elements such as carbon,nitrogen, and phosphorus. …”
    Get full text
    Article
  8. 28

    Neutron Capture Radiography: Neutron Capture Radiography:a technique for isotopic labelling and analytical imaging with a few stable isotopes by Michel Thellier, Camille Ripoll

    Published 2006-01-01
    “…NCR (neutron capture radiography) may be used successfully for the imaging of one of the stable isotopes of a few chemical elements (especially 6Li and 10B, possibly also 14N, 17O, and others) and for labelling experiments using these stable isotopes. …”
    Get full text
    Article
  9. 29

    FOOD PRODUCT CONTAMINATION RISKS AT DIFFERENT STAGES OF PRODUCTION by O. I. Lavrukhina, V. G. Amelin, L. B. Prokhvatilova, O. I. Ruchnova

    Published 2018-04-01
    “…It should be noted that some chemical contaminants like chemical elements (plumbum, mercury, cadmium, arsenic) can get into food products at different stages of their production. …”
    Get full text
    Article
  10. 30

    INFLUENCE OF MICROALLOYING BY BORON ON HARDENABILITY OF STEEL by E. P. Baradyntseva, N. A. Glazunova, O. V. Rogovtsova

    Published 2016-12-01
    “…The conducted researches have allowed to draw a conclusion that changing content of various chemical elements, such as nitrogen, boron, the titan and aluminum in steel containing boron, produced by JSC «BSW – Management Company of Holding «BMC» at the stage of preparation of chart flowsheet make it possible to predict terms of hardenability of the final product.…”
    Get full text
    Article
  11. 31

    Turning the Cocopith Waste into Myceliated Biocomposite to Make an Insulator by Diana Susyari Mardijanti, Erri Noviar Megantara, Ayi Bahtiar, Sunardi Sunardi

    Published 2021-01-01
    “…The AAS method is used to test the concentration of cocopith chemical elements, while lignin and cellulose levels were tested using data methods. …”
    Get full text
    Article
  12. 32

    Influence of various thermal conditions on the composition of high‑temperature diffusion oxides (satellite inclusions) in solid steel by T. I. Sidorenko, E. V. Ermachenok, Yu. S. Belash

    Published 2023-03-01
    “…The characteristic features in terms of the percentage and presence of certain chemical elements in the scale of various steel grades have been established.…”
    Get full text
    Article
  13. 33

    Entre Mochica et Lambayeque : retracer les identités de la période Transitionnelle dans les empreintes du quotidien by Sâm Ghavami

    Published 2021-09-01
    “…Ceramographic analysis includes a mineralogical study of the paste using a digital microscope and a characterization of the chemical elements using a Scanning Electron Microscope (SEM) in order to recognize production characteristics common to both sites.…”
    Get full text
    Article
  14. 34

    Using Soil Chemistry through EDXRF to Identify Archaeological Features at the Site of Ulpiana in Kosova by Arthur Laenger, Arnaud Martel, Aline Durand, Fabien Boucher

    Published 2024-12-01
    “…It locates concentrations of chemical elements in soils that can be linked to ancient activities responsible for their deposition. …”
    Get full text
    Article
  15. 35

    STUDYING GENETIC EFFECTS IN NATURAL ECOSYSTEMS WITH APPLICATION OF A PLANT TEST OBJECT by E. A. Aghajanyan, R. E. Avalyan, A. L. Atoyants, A. E. Simonyan, R. M. Aroutiounian

    Published 2018-06-01
    “…High positive correlation between the RME and MN frequencies and the concentration of some chemical elements in the studied water samples (Si, Al, P, Mn, Fe, and Cu) were revealed. …”
    Get full text
    Article
  16. 36

    Preliminary Compositional Evidence of Provenance of Ceramics from Hatahara Archaeological Site, Central Amazonia by K. P. Nunes, R. G. Toyota, P. M. S. Oliveira, E. G. Neves, E. A. A. Soares, C. S. Munita

    Published 2013-01-01
    “…One hundred twenty four ceramic fragments and six clay samples from the Hatahara archaeological site in Amazonas state, Brazil, were analyzed using instrumental neutron activation analysis, INAA, to determine the concentration of twenty chemical elements: Ce, Co, Cr, Cs, Eu, Fe, Hf, K, La, Lu, Na, Nd, Rb, Sc, Ta, Tb, Th, U, Yb, and Zn. …”
    Get full text
    Article
  17. 37

    CONTRIBUTION TO THE GEOCHEMICAL STUDY OF KANZI AND MVUANGU PHOSPHATE ROCKS IN THE LEMBA OIL SUB-BASIN OF CENTRAL CONGO by Deko Oyema Bruno, Emmanuel Kazinguvu Atibu, Dan Mandjumba Yenor, Dominique Wetshondo Osomba, Loma Wonga Mathias, John Pote Wembonyama

    Published 2024-07-01
    “…The results of the Chemical Analyses (Oxides) and Chemical Elements are as follows: (1) Major oxides (%:) Al2O3 (21,21 – 17,24); SiO2 (14,85 – 30,40); P2O5 (19,48 -13,34 %) finally Fe2O3 (8,544 – 10,74 %), and other oxides with concentrations in mg/kg (MnO, ZnO, Rb2O, SrO, ZrO2, Nb2O5, Sb2O5, Ta2O5); (2) Major Chemical Elements (%): Aluminum (11.22- 9.124); Silicon (6.939-14.21); Phosphate (8.5-5.823 %) and several trace metallic elements that will be exposed in another soil and sediment matrix to assess the state of the environment prior to mining and petroleum activities. …”
    Get full text
    Article
  18. 38

    Inorganic constituents in cassava derivatives: Total concentration, dietary intake and bioaccessibility by Leilane R. Santos, Filipe B. Santana, Hilária F.A. Silveira, Wellington C. de Carvalho, Laís A. Souza, Rennan Geovanny O. Araujo, Maria Graças A. Korn, Daniele Cristina M.B. Santos

    Published 2025-06-01
    “…By identifying patterns in bioaccessibility, the study aims to provide crucial insights into the dietary impact of these chemical elements, with a focus on nutritional benefits and health risks. …”
    Get full text
    Article
  19. 39

    Influence of dipping time on cracking during bending of hot dip galvanized coatings with Sn and Ti contents by V. Di Cocco, L. Zortea

    Published 2013-04-01
    “…Hot-dip galvanizing is a classical process aimed to generate coatings on iron-based surfaces, used unchanged since 200 years: some chemical elements are added in the bath with different aims (e.g., Pb is really important for its fluidizing properties, sometimes replaced by Sn) but sometimes these elements are dangerous for human health (e.g. … Pb!). …”
    Get full text
    Article
  20. 40

    Developmental Principles: Fact or Fiction by A. J. Durston

    Published 2012-01-01
    “…While still at school, most of us are deeply impressed by the underlying principles that so beautifully explain why the chemical elements are ordered as they are in the periodic table, and may wonder, with the theoretician Brian Goodwin, “whether there might be equally powerful principles that account for the awe-inspiring diversity of body forms in the living realm”. …”
    Get full text
    Article