Showing 881 - 900 results of 1,928 for search '"atom"', query time: 0.05s Refine Results
  1. 881

    Synthesis of Heterogeneous Copper Catalyst Based on Amino-Functionalized Triazine Rings Supported by Silica-Gel for Oxidation of Alcohols by Majid Kolahdoozan, Roozbeh Javad Kalbasi, Mahshid Hossaini

    Published 2013-01-01
    “…The copper (II) content of the material was determined by atomic absorption. This novel transition metal supported on heterogeneous surface was used as an effective catalyst for oxidation of benzylic alcohols in the presence of H2O2. …”
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    Article
  2. 882

    Solid-state photochemistry: new approaches based on new mechanistic insights by Gerd Kaupp

    Published 2001-01-01
    “…The application of atomic force microscopy (AFM) to solid-state photodimerizations revealed previously unexpected long-range molecular movements in the initial stages (phase rebuilding) and in the final stages (phase transformation and disintegration) of reaction. …”
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    Article
  3. 883

    ESTIMATION OF THE SEASONAL VARIABILITY OF THE CONTENT OF HEAVY METAL COMPOUNDS IN THE RIVER WATERS OF THE FOOTHILL ZONE OF THE CENTRAL CAUCASUS by F.A. Atabieva, E.A. Cherednik

    Published 2020-06-01
    “…In the analysis, the atomic absorption method using the MGA-915M electrothermal atomizer was used. …”
    Article
  4. 884
  5. 885
  6. 886

    Quantum Chemical Topological Analysis of [2Fe2S] Core in Novel [FeFe]-Hydrogenase Mimics by Piotr Matczak

    Published 2025-01-01
    “…Next, one of the first applications of the interacting quantum atoms (IQA) method to [FeFe]-hydrogenase mimics was presented. …”
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    Article
  7. 887

    Large (Ti, V) Carbonitride in Nonquenched and Tempered Steel 38MnVS6 by You Xie, Xiaoling Meng, Xiangyang Deng, Shichao Li

    Published 2022-01-01
    “…A great number of micron-sized (Ti, V) carbonitrides are found in continuous casting billet, and the atomic ratios of V/Ti are mainly distributed in range 0.130–0.200 with an average value of 0.171. …”
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    Article
  8. 888

    Exploring the Teaching Mode of English Audiovisual Speaking in Multimedia Network Environment by Shunlan Wang

    Published 2022-01-01
    “…The continuous Gabor super-complete atomic set is constructed based on the continuous space search property of PSO to improve the optimal atomic matching of the evolutionary process. …”
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    Article
  9. 889

    Relevance, ad hoc concepts and analogy by Ewa Mioduszewska

    Published 2017-12-01
    “…They may be lexicalized atomic concepts, ad hoc atomic concepts not encoded in our linguistic system and some innate concepts (Carston, 2010, p. 14). …”
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    Article
  10. 890
  11. 891

    Highly Sensitive Colorimetric Assay for Determining Fe3+ Based on Gold Nanoparticles Conjugated with Glycol Chitosan by Kyungmin Kim, Yun-Sik Nam, Yeonhee Lee, Kang-Bong Lee

    Published 2017-01-01
    “…The Fe3+ ion coordinates with the oxygen atoms of GC in a hexadentate manner (O-Fe3+-O), decreasing the interparticle distance and inducing aggregation. …”
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    Article
  12. 892

    Highly Tunable Moiré Superlattice Potentials in Twisted Hexagonal Boron Nitrides by Kwanghee Han, Minhyun Cho, Taehyung Kim, Seung Tae Kim, Suk Hyun Kim, Sang Hwa Park, Sang Mo Yang, Kenji Watanabe, Takashi Taniguchi, Vinod Menon, Young Duck Kim

    Published 2025-01-01
    “…Abstract Moiré superlattice of twisted hexagonal boron nitride (hBN) has emerged as an advanced atomically thin van der Waals interfacial ferroelectricity platform. …”
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    Article
  13. 893

    Mineral Composition of Four Edible Mushrooms by S. E. Mallikarjuna, A. Ranjini, Devendra J. Haware, M. R. Vijayalakshmi, M. N. Shashirekha, S. Rajarathnam

    Published 2013-01-01
    “…Two cultivated mushroom species, namely, Lentinula edodes and Pleurotus florida and two wild growing species Lentinus cladopus and Pleurotus djamor were studied for their mineral contents such as Ca, Mg, Na, K, Fe, Zn, Mn, Cu, Ni, Se, Pb, and Cd by Inductive Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) and also Atomic Absorption Spectroscopy, (AAS). …”
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    Article
  14. 894

    A novel method for calculating number buildup factor in gamma-ray transmission measurements using narrow beam geometry by Chuong Huynh Dinh, Trang Le Thi Ngoc, Linh Nguyen Thi Truc, Nguyen Vo Hoang, Thanh Tran Thien

    Published 2024-01-01
    “…Furthermore, the slope of these linear relationships can be expressed as a product of mass density and a cubic polynomial function of the atomic number. Based on these findings, we developed a fitting formula to calculate the number buildup factor using the input variables of sample thickness, mass density, and atomic number. …”
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  15. 895

    Self‐supported thin‐film electrode consisting of transition metal borides for highly efficient hydrogen evolution by Qi Miao, Lihong Bao, Yuxin Gao, Hao Wang, Yongjun Cao, Wei Li, Lei Li, Xiaowei Yang, Jijun Zhao, Ruguang Ma

    Published 2025-01-01
    “…Theoretical study reveals that both surfaces terminated by TM and B atoms can serve as the active sites and the H* binding strength of TMBs is correlated with the p band center of B atoms. …”
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    Article
  16. 896

    Cu66 nanoclusters from hierarchical square motifs: Synthesis, assembly, and catalysis by Xueli Sun, Yuchen Wang, Qingyuan Wu, Ying‐Zi Han, Xuekun Gong, Xiongkai Tang, Christine M. Aikens, Hui Shen, Nanfeng Zheng

    Published 2025-01-01
    “…The arrangement of the metal atoms within the cluster reveals an orderly of 16 Cu4 squares, representing a rare copper nanocluster comprising square motifs. …”
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    Article
  17. 897

    Spectroscopic Characterization and Biological Activity of Mixed Ligand Complexes of Ni(II) with 1,10-Phenanthroline and Heterocyclic Schiff Bases by Y. Prashanthi, K. Kiranmai, Ira, Sathish kumar K, Vijay kumar Chityala, Shivaraj

    Published 2012-01-01
    “…Spectral data showed that the 1,10-phenanthroline act as neutral bidentate ligand coordinating to the metal ion through two nitrogen donor atoms and Schiff bases acts as monobasic bidentate coordinating through NO donor atoms. …”
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    Article
  18. 898

    Synthesis of novel benzo fused bridged azaheterocycles through the reaction of chalcone with hydrazone by Congyang Li, Ruochen Pang, Weiwu Ren

    Published 2025-03-01
    “…Notably, this method formed a potentially biologically active bridged structure containing multiple nitrogen atoms under mild conditions with high yields. This reaction exhibits broad substrate scope and excellent functional group tolerance. …”
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  19. 899
  20. 900

    Synthesis and characterization of cis-bisdiphenylphosphinoethene gold(I) complexes by Fayet, Océane Yvonne Odette, Crespi, Stefano, Orthaber, Andreas

    Published 2024-08-01
    “…The proximity of the phosphine donor atoms of the bidentate ligand framework greatly favors formation of mononuclear over di- nuclear complexes. …”
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