Showing 181 - 200 results of 14,114 for search '"chemical"', query time: 0.10s Refine Results
  1. 181

    PRODUCTION OF CATHODES, TARGETS OF HIGH FREQUENCY OF CHEMICALLY ACTIVE METALS by V. N. Alehnovich, V. V. Alehnovich

    Published 2006-02-01
    “…The production of cathodes, accumulation electrodes of high frequency of chemically active metals is considered.…”
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  2. 182

    Variability of selected physico-chemical parameters of water in the Słupsko reservoir by Katarzyna Moraczewska-Majkut, Agata Jaroń, Ewa Łobos-Moysa, Witold Karol Nocoń

    Published 2022-05-01
    “…Material and methods: Determination of the factors causing these changes was made on the basis of measuring a number of physical and chemical parameters between March 2019 and February 2020. …”
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  3. 183

    Study of Physico-Chemical Characteristics of Wastewater in an Urban Agglomeration in Romania by Paula Popa, Mihaela Timofti, Mirela Voiculescu, Silvia Dragan, Catalin Trif, Lucian P. Georgescu

    Published 2012-01-01
    “…This study investigates the level of wastewater pollution by analyzing its chemical characteristics at five wastewater collectors. …”
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  4. 184

    Chemical Defense of an Ozaenine Bombardier Beetle From New Guinea by Thomas Eisner, George E. Ball, Braden Roach, Daniel J. Aneschansley, Maria Eisner, Curtis L. Blankespoor, Jerrold Meinwald

    Published 1989-01-01
    “…A number of New World ozaenines had previously been studied chemically and shown to be “bombardiers” that discharge a hot quinonoid mixture (Aneshansley et al. 1969, 1983; Eisner and Aneshansley 1982; Eisner et al. 1977; Roach et al. 1979). …”
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  5. 185

    Victorian Arts and the Challenge of Modernity: Analogy, the Grid, and Chemical Transformations by Francesca Orestano

    Published 2019-06-01
    “…The grid provides the structure to the Crystal Palace housing the Great Exhibition in 1851, and the grid is the structure presiding over modern chemistry, owing to the tabular arrangement of chemical elements envisaged by Russian chemist Dmitri Mendeleev and first published in 1869. …”
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  6. 186
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    Chemical Separation on Silver Nanorods Surface Monitored by TOF-SIMS by Ondrej Petruš, Andrej Oriňak, Renáta Oriňaková, Christian Muhmann, Ján Macko, Radim Hrdý, Jaromír Hubálek, Branislav Erdelyi, Heinrich F. Arlinghaus

    Published 2017-01-01
    “…The article introduces a possible chemical separation of a mixture of two compounds on the metal nanorods surface. …”
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  8. 188
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    Prediction of the pull-out strength of chemical anchors in natural stone by L. Contrafatto, R. Cosenza

    Published 2014-07-01
    “…The applicability of some numerical models for the prediction of the failure mechanism and of the bearing capacity of post-installed threaded rods chemically anchored in basalt, sandstone and limestone is investigated, as well as the reliability of theoretical formulations conceived for concrete. …”
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  10. 190

    Enhanced Chemical Insights into Fullerene Structures via Modified Polynomials by Ali N. A. Koam, Ali Ahmad, Raed Qahiti, Muhammad Azeem, Waleed Hamali

    Published 2024-01-01
    “…Our results provide a novel viewpoint that bridges the gap between algebraic abstraction and chemical reality. They also open up new avenues for the manipulation and construction of materials based on fullerenes with customized features. …”
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    Mesopore Development in Activated Carbon Fibres by Additional Chemical Activation by Song Lei, Junichi Miyamoto, Hirofumi Kanoh, Katsumi Kaneko

    Published 2006-06-01
    “…The use of Ca(NO 3 ) 2 for chemical activation produced more mesopores than Na 2 HPO 4 , the maximum mesopore volume being 0.92 ml/g. …”
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  13. 193

    Unveiling the power of language models in chemical research question answering by Xiuying Chen, Tairan Wang, Taicheng Guo, Kehan Guo, Juexiao Zhou, Haoyang Li, Zirui Song, Xin Gao, Xiangliang Zhang

    Published 2025-01-01
    “…Abstract While the abilities of language models are thoroughly evaluated in areas like general domains and biomedicine, academic chemistry remains less explored. Chemical QA tools also play a crucial role in both education and research by effectively translating complex chemical information into an understandable format. …”
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  18. 198

    Occurrence and Assessment of Chemical Contaminants in Drinking Water in Tunceli, Turkey by Veysel Demir, Sezai Ergin

    Published 2013-01-01
    “…The objective of this study was to analyze drinking water samples from 21 sites in the city center and seven municipalities of Tunceli, Turkey, in order to determine the presence of nitrate, nitrite, fluoride, bromate, pesticides, polycyclic aromatic hydrocarbons (PAHs), trihalomethanes (THMs), and some other chemicals. In all locations, the concentrations of chemicals investigated were below the permissible limits set by local and international organizations for drinking water. …”
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