Showing 361 - 380 results of 1,272 for search '"chemical element"', query time: 0.16s Refine Results
  1. 361

    Study of garnet-sand concrete by Young, Francis Yan Xiang

    Published 2015
    “…It is found that while silica sand concrete contains more calcium at age 7th day, there was no significant difference in chemical element weightage. SEM images allow visual inspection of the different concrete samples and it is observed that in general, garnet sand concrete contained more needle and rod like structures which are believed to be ettringite. …”
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    Final Year Project (FYP)
  2. 362

    Nano-cellulose based nano-coating biomaterial dataset using corn leaf biomass: An innovative biodegradable plant biomaterial by Sharif Hossain, A.B.M., Uddin, Musamma M., Veettil, Vajid N., Fawzi, Mohammad

    Published 2018
    “…In addition to that data on the chemical element test like K+, CO3 −−, Cl- Na+ exhibited positive data compared to the synthetic plastic in the laboratory using the EN (166)) standardization. …”
    Article
  3. 363

    The detrimental effects of lead on human and animal health by Assi, Mohammed Abdulrazzaq, Mohd Hezmee, Mohd Noor, Haron, Abd Wahid, Mohd Sabri, Mohd Yusof, Rajion, Mohd Ali

    Published 2016
    “…Lead, a chemical element in the carbon group with symbol Pb (from Latin: Plumbum, meaning “the liquid silver”) and has an atomic number 82 in the periodic table. …”
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    Article
  4. 364

    Physiochemical characterization of lateritic bauxite mining soil by Ismail, N. I. N., Awang, H., Mohd. Yunus, N. Z., Saleh, S.

    Published 2022
    “…The presence of chemical element was evaluated based on the elemental mineral composition content identified through X-Ray Fluorescence (XRF). …”
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    Conference or Workshop Item
  5. 365

    Physiochemical characterization of lateritic bauxite mining soil by N. I., N. Ismai, Haryati, Awang, N. Z., Mohd Yunus, Suriyati, Saleh

    Published 2021
    “…The presence of chemical element was evaluated based on the elemental mineral composition content identified through X-Ray Fluorescence (XRF). …”
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    Conference or Workshop Item
  6. 366

    Barriers to implementation of hydrogen initiatives in the context of global energy sustainable development by Vladimir S. Litvinenko, Pavel S. Tsvetkov, Mikhail V. Dvoynikov, Georgii V. Buslaev

    Published 2020-10-01
    “…As a result of the research conducted, the following conclusions concerning the potential of the widespread implementation of hydrogen in the power generation sector have been made: as a chemical element, it harms steel structures, which significantly impedes the selection of suitable materials; its physical and volume characteristics decrease the general efficiency of the energy system compared to similar hydrocarbon solutions; the hydrogen economy does not have the necessary foundation in terms of both physical infrastructure and market regulation mechanisms; the emergence of widely available hydrogen poses a danger for society due to its high combustibility. …”
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    Article
  7. 367

    Application of Multivariate Statistical Methods for Determining Geochemical Trends of Elements on the Territory of Slovenia by Robert Šajn, Mateja Gosar, Jasminka Alijagić, Tamara Teršič

    Published 2023-12-01
    “…The analytical results for the two different digestion methods (multi-acid digestion vs. aqua regia) were also compared for each chemical element. Multivariate statistical methods were applied to identify the geochemical trends and main sources of trace elements over the territory of Slovenia. …”
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    Article
  8. 368

    A pXRF-Based Approach to Identifying the Material Source of Stone Cultural Relics: A Case Study by Zhiqiang Wang, Zhongjian Zhang, Feiyue Wang, Jianbin Liu

    Published 2022-02-01
    “…Obtained chemical element data were then classified using statistical techniques (i.e., cluster analysis and principal component analysis) to match tested materials from cultural relics to the material from a quarry, thereby identifying the material source of stone cultural relics. …”
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    Article
  9. 369

    TiP-Leaf: a dataset of leaf traits across vegetation types on the Tibetan Plateau by Y. Jin, H. Wang, J. Xia, J. Ni, K. Li, Y. Hou, J. Hu, L. Wei, K. Wu, H. Xia, B. Zhou

    Published 2023-01-01
    “…The TiP-Leaf dataset, which was compiled from 336 sites distributed mainly on the plateau surface and the northern margin of the TP across alpine and temperate vegetation regions and sampled from 2018 to 2021, contained 1692 morphological trait measurements of leaf thickness, leaf fresh weight, leaf dry weight, leaf dry-matter content, leaf water content, leaf area, specific leaf area and leaf mass per area and 1645 chemical element trait measurements of leaf carbon, nitrogen and phosphorus contents. …”
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    Article
  10. 370

    Process Mineralogy Characteristics of Lijiagou Pegmatite Spodumene Deposit, Sichuan, China by Xiang Lai, Cuihua Chen, Xiaojie Chen, Guangchun Fei, Yin Li, Jiaxin Wang, Yunhua Cai

    Published 2023-09-01
    “…In order to determine the processing characteristics of the ore and assess its industrial value, based on detailed microscopic and hand specimen observations, this study employs various methods and techniques, including X-ray powder diffraction (XRD), electron probe microanalysis (EPMA), laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), chemical element analysis, chemical phase analysis and the mineral liberation analyzer system (MLA). …”
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    Article
  11. 371

    Structure, light absorption properties and photocatalytic activity of carbon-containing titania nanocomposites synthesized via a facile sol–gel method by Ibrahim Moussa, Hassan Ibrahim, El-Amir M. Emam, Tawfik M. Tawfik

    Published 2022-08-01
    “…High-resolution electron microscopy (HREM) micrographs confirm the coexistence of anatase and rutile nanocrystals and amorphous carbon clusters in the composite samples. Chemical element analysis via X-ray photoelectron spectroscopy (XPS) indicated nonstoichiometry in the O/Ti ratio, the presence of (Ti3+) oxidation state, and elemental carbon. …”
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    Article
  12. 372

    The Multifaceted Roles of Copper in Cancer: A Trace Metal Element with Dysregulated Metabolism, but Also a Target or a Bullet for Therapy by Pierre Lelièvre, Lucie Sancey, Jean-Luc Coll, Aurélien Deniaud, Benoit Busser

    Published 2020-12-01
    “…The metallic nature of Cu as a chemical element is key for the development of anticancer agents via the synthesis of nanoparticles or copper-based complexes with antineoplastic properties for therapy. …”
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    Article
  13. 373

    Coupled Geodynamical‐Geochemical Perspectives on the Generation and Composition of Mid‐Ocean Ridge Basalts by Thomas Duvernay, Shihao Jiang, Patrick W. Ball, D. Rhodri Davies

    Published 2024-02-01
    “…Abstract Owing to their abundance and relative availability on Earth's seafloor, mid‐ocean ridge basalts (MORBs) have a well‐defined chemical element budget, reflected by the low standard deviation associated with typical normal MORB (N‐MORB) composition. …”
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    Article
  14. 374

    Design of a Safety Device Ultra Violet Light for Mercury Identification in Whitening Cream with Thin Layer Chromatography Method Using Camera OV7670 Based on Arduino Uno by Hasmah Hasmah, Risnawaty Alyah, Usman Umar

    Published 2022-12-01
    “…Mercury is also called “air raksa” or hydrargyrum which is a chemical element with the symbol Hg and belongs to the heavy metal group with a liquid form and silvery color. …”
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    Article
  15. 375

    Correlative single-cell hard X-ray computed tomography and X-ray fluorescence imaging by Zihan Lin, Xiao Zhang, Purbasha Nandi, Yuewei Lin, Liguo Wang, Yong S. Chu, Timothy Paape, Yang Yang, Xianghui Xiao, Qun Liu

    Published 2024-03-01
    “…With XCT, cellular structures including the overall structure and intracellular organelles are visualized, while XRF imaging reveals the distribution of multiple chemical elements within the same cell. Our correlative method demonstrates the feasibility and broad applicability of using X-rays to understand cellular structures and the roles of chemical elements and related proteins in signaling and other biological processes.…”
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    Article
  16. 376

    Numerical and Metallurgical Analysis of Laser Welded, Sealed Lap Joints of S355J2 and 316L Steels under Different Configurations by Hubert Danielewski, Andrzej Skrzypczyk, Marek Hebda, Szymon Tofil, Grzegorz Witkowski, Piotr Długosz, Rastislav Nigrovič

    Published 2020-12-01
    “…The results showed advantages of using stainless steel as the upper material of a microstructure, and uniform chemical element distribution and stress analysis is considered.…”
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    Article
  17. 377

    Qualitative evaluation of groundwater in terms of its suitability for drinking and irrigation. The case study of Sidi-Bel-Abbes alluvial aquifer (NW Algeria) by Abdelkader Otmane, Radia Gherissi, Kamila Baba-Hamed, Abderrazak Bouanani

    Published 2023-09-01
    “…In terms of suitability for drinking, the maximum chemical element concentration accepted by the Algerian legislation is exceeded in most samples, especially for nitrates, chlorides, sodium and calcium. …”
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    Article
  18. 378

    The inorganic chemicals that surround us: role of tellurium, selenium and zinc on behavioural functions in mammals by Edgardo O. Alvarez, Osvaldo J. Sacchi, Silvia G. Ratti

    Published 2021-06-01
    “…In this review, the interaction between the chemical element and living organisms is discussed under a theoretical model of interaction between compartments, giving attention to tellurium (Te), zinc (Zn) and selenium (Se) on some cognitive functions in human and animals. …”
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    Article
  19. 379

    Research progress on roles and mechanisms of DNA hydroxymethylation in health effects induced by arsenic exposure by Jingjing WU, Yang SONG, Wei WU, Shuqi LI, Lijun WANG, Shuo WANG

    Published 2024-03-01
    “…Arsenic, a naturally occurring metal-like chemical element, is one of the 10 chemicals of major public concerns listed by the World Health Organization as harmful to the environment and human health. …”
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    Article
  20. 380

    Chinese Colorless HPHT Synthetic Diamond Inclusion Features and Identification by Ying Ma, Zhili Qiu, Xiaoqin Deng, Ting Ding, Huihuang Li, Taijin Lu, Zhonghua Song, Wenfang Zhu, Jinlin Wu

    Published 2022-09-01
    “…In this study, eleven HPHT and three natural, colorless, gem-quality IIa diamonds were analyzed using magnified observation, Raman, PL and chemical element analysis. The results show that only HPHT samples possessed kite-like inclusions and lichenoid inclusions, as verified by their complex Raman spectra (100–750 cm<sup>−1</sup>). …”
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    Article