Showing 781 - 800 results of 1,272 for search '"chemical element"', query time: 0.17s Refine Results
  1. 781

    The development of prediction model on irradiation embitterment for low Cu RPV steels by Chaoliang Xu, Xiangbing Liu, Yuanfei Li, Wenqing Jia, Qiwei Quan, Wangjie Qian, Jian Yin, Xiao Jin

    Published 2023-06-01
    “…Results indicate that the predicted results of PMIE-2020 has no tendency with influence factors such as neutron fluence, flux, irradiation temperature, chemical elements Cu, P, Mn, Ni, Si. The residual standard deviation is 10.76 °C, which is lower than present prediction model. …”
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    Article
  2. 782

    Activated recovery of PVC from contaminated waste extension cord-cable using a weak acid by Jia, Chunmiao, Das, Pallab, Zeng, Qiang, Gabriel, Jean-Christophe P., Tay, Chor Yong, Lee, Jong-Min

    Published 2022
    “…These materials are frequently found contaminated with toxic chemical elements, such as Pb, Hg, Cr, or Cd, and are discarded without decontamination. …”
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    Journal Article
  3. 783

    Performance Study Of Potash Alum On Wastewater Treatment System From Biomass Gasifier Water Scrubber by Abidin, Norshahirah Adina Zainol

    Published 2017
    “…AAS is a spectro-analytical procedure for the quantitative determination of chemical elements using the absorption of optical radiation (light) by free atoms in the gaseous state. …”
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    Monograph
  4. 784

    An analytical approach to evaluate the performance of graphene and carbon nanotubes for NH3 gas sensor applications by Akbari, Elnaz, Arora, Vijay Kumar, Enzevaee, Aria, Ahmadi, Mohammad Taghi, Saeidmanesh, Mehdi, Khaledian, Mohsen, Karimi, Hediyeh, Yusof, Rubiya

    Published 2014
    “…Carbon, in its variety of allotropes, especially graphene and carbon nanotubes (CNTs), holds great potential for applications in variety of sensors because of dangling π-bonds that can react with chemical elements. In spite of their excellent features, carbon nanotubes (CNTs) and graphene have not been fully exploited in the development of the nanoelectronic industry mainly because of poor understanding of the band structure of these allotropes. …”
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    Article
  5. 785

    Study the Effect of Plate and Nerve Type on the Behavior of Metal Joints in Fire Conditions by Mouhanad Faez Nasra

    Published 2020-01-01
    “…The elements were selected from several materials and mixtures consisting of different chemical elements where the stresses arising after the design and modeling of each link for each cell with a different nerve and plate were calculated by the presence of temperatures from the ambient temperature to the melting point of the studied mixtures. …”
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    Article
  6. 786

    Biogeochemical lichen indication study of formation and temporal changes of Oleksandriia Arboretum atmospheric pollution by O. V. Shabatura, Yu. H. Tyutyunnyk, O. B. Blum

    Published 2023-12-01
    “…Application of the ICP-OES spectroscopy method allowed the analysis for chemical elements content of the samples of epiphytic deciduous Parmelia sulcata, Xanthoria parietina and bushy Evernia prunastri lichens collected in 2009 (20 points) and 2021 (23 points). …”
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    Article
  7. 787

    Magnetized Fingering Convection in Stars by Adrian E. Fraser, Sam A. Reifenstein, Pascale Garaud

    Published 2024-01-01
    “…Fingering convection (also known as thermohaline convection) is a process that drives the vertical transport of chemical elements in regions of stellar radiative zones where the mean molecular weight increases with radius. …”
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    Article
  8. 788

    Isotopes in cultural heritage: present and future possibilities by Anders G. Nord, Kjell Billström

    Published 2018-05-01
    “…In future, further chemical elements may be utilized for isotope studies in heritage science, and possible candidates are discussed. …”
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    Article
  9. 789

    Thermodynamic and Kinetic Modelling of Scales Formation at the Soultz-sous-Forêts Geothermal Power Plant by Pierce Kunan, Guillaume Ravier, Eléonore Dalmais, Marion Ducousso, Pierre Cezac

    Published 2021-11-01
    “…A suitable database was chosen based on the availability of chemical elements, minerals, and gas. A thermodynamic model and a kinetic model were proposed for modelling the scaling phenomenon. …”
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    Article
  10. 790

    Elements of Country: a First Nations-first approach to chemistry by Masters Anthony, Greenfield Peta, Davison Cameron, Evans Janelle G., Motion Alice, Barrett Jennifer, Troy Jakelin, Constantine Kate, Jackson Pulver Lisa Rae

    Published 2023-03-01
    “…Collectively, we have chosen to explore an Australian First Nations-first approach to understanding the chemical elements. We believe that engagement with cultural heritage, ongoing cultures, and the knowledges of this place—the lands on which we work, live, and study—will lead to new ways of understanding the elements and change the way we practice chemistry. …”
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    Article
  11. 791

    Fire classification in natural ecosystems by physical and environmental characteristics by L. F. Chernogor, A. N. Nekos, G. V. Titenko, L. L. Chornohor

    Published 2023-11-01
    “…A seven-magnitude scale for classifying forest fires by intensity, energy characteristics, mass of emissions of the main combustion products and related chemical elements, as well as by environmental consequences and hazard level is proposed. …”
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    Article
  12. 792

    Genome and transcriptome analysis of rock-dissolving Pseudomonas sp. NLX-4 strain by Yanwen Wu, Ayyappa Kumar Sista Kameshwar, Bo Zhang, Feifei Chen, Wensheng Qin, Miaojing Meng, Jinchi Zhang

    Published 2022-06-01
    “…Some soil-inhabiting bacteria exhibit efficient rock-dissolution abilities by releasing organic acids and other chemical elements from the silicate rocks. However, our understanding of the molecular mechanisms involved during bacterial rock-dissolution is still limited. …”
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    Article
  13. 793

    <i>Moringa oleifera</i> Leaf Powder as Functional Additive in Cookies to Protect SH-SY5Y Cells by Domenico Nuzzo, Pasquale Picone, Jesus Lozano Sanchez, Isabel Borras-Linares, Alessandro Guiducci, Emanuela Muscolino, Pier Luigi San Biagio, Clelia Dispenza, Donatella Bulone, Daniela Giacomazza, Romano Lapasin

    Published 2021-10-01
    “…Selected doughs containing MLP were analysed to determine the total content of biophenols in the cookies after baking and their enrichment in terms of valuable chemical elements. The influence of MLP on the viscoelastic behaviour and morphology of the doughs was also assessed. …”
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    Article
  14. 794
  15. 795

    Heavy Metals in Sapropel of Lakes in Suburban Territories of Vilnius (Lithuania): Reflections of Paleoenvironmental Conditions and Anthropogenic Influence by Gytautas Ignatavičius, Jonas Satkūnas, Alma Grigienė, Irena Nedveckytė, Howlader Rahidul Hassan, Vaidotas Valskys

    Published 2021-12-01
    “…This includes records of fluctuations of water level and changes of conditions of sedimentation, accumulation of organic matter and chemical elements due to climate change, human impacts and other environmental changes. …”
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    Article
  16. 796

    Formation of Humic-Like Substances during the Technological Process of Lignohumate<sup>®</sup> Synthesis as a Function of Time by Olga Yakimenko, Andrey Stepanov, Svetlana Patsaeva, Daria Khundzhua, Olesya Osipova, Oleg Gladkov

    Published 2021-07-01
    “…It is shown that during the hydrolytic-oxidative process, the transformation of raw material and accumulation of HLS occur. Data on the chemical (elemental content, functional groups, FTIR) and spectral (absorbance and fluorescence) parameters and biological activity (in phytotest) combined with PCA show that the LH samples can be divided into three groups, depending on the duration of synthesis: initial raw material (0-time sample); “young” HLS (15–30 min), and “mature” HLS in 45–120 min of treatment. …”
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    Article
  17. 797

    Environmental damage from the storage of sulfide ore tailings by Mariya A. Pashkevich, Alexey V. Alekseenko, Ruslan R. Nureev

    Published 2023-04-01
    “…The study revealed significant exceedances of the maximum permissible concentrations for a number of chemical elements in the impact zone of the copper ore processing tailings.…”
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    Article
  18. 798

    Geochemical Characterisation and Health Concerns of Mineral Bottled Waters in Catalonia (North-Eastern Spain) by Josefina C. Tapias, Raquel Melián, Alex Sendrós, Xavier Font, Albert Casas

    Published 2022-11-01
    “…A total of 29 samples were analysed from different brands of commercially bottled water, and 71 chemical elements were determined in each sample. The aim was to classify each brand based on composition, compare lithological origins, verify compliance with international standards for drinking water, and report benefits for human health. …”
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    Article
  19. 799

    The survey of salt domes impacts on the soil quality of lowlands using multivariate statistical methods (case study; salty dome of Korsia- Darab plain) by Kazem Nosrati, Mostafa Amini, Mahdi Ansari, ehsan bijanzaeh

    Published 2017-02-01
    “…Ions of Mg, N, K, Na, Ca and as well as volume of PH and EC and soil texture of samples of 2010 was measured and variables of 1993 such as Na, Ca, SAR, EC, pH was purchased from ministry of agriculture and significant differences in the various land uses, change rates of this elements in the land uses during in two periods of time, identifying of effective component in the soil quality and classifying of chemical elements was determined by land uses using multivariate statistical techniques such as variance analysis, independent T test, factor analysis and cluster analysis respectively. …”
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    Article
  20. 800

    SUGGESTED VARIABILITY TYPES OF SUPERNOVA PROGENITORS by O. A. Tsiopa

    Published 2017-07-01
    “…However, the complex inner structure of such stars (stratification of chemical elements, shell sources) allows to create conditions for pulsation instability which may play a role of rigger. …”
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    Article