Showing 1,921 - 1,940 results of 3,087 for search '"nitrogen"', query time: 0.08s Refine Results
  1. 1921

    Neonatal intensive care admissions and exposure to satellite-derived air pollutants in the United States, 2018 by Yohane Vincent Abero Phiri, Timothy Canty, Carrie Nobles, Allison M. Ring, Jing Nie, Pauline Mendola

    Published 2025-01-01
    “…Regardless of season, higher ambient levels of nitrogen dioxide (NO2) and fine particulate matter < 2.5 microns (PM2.5) increased the likelihood of NICU admission 30–35% for NO2 and 11–22% for PM2.5 even after adjustment for parental characteristics. …”
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  2. 1922

    Impact of ionomers on porous Fe-N-C catalysts for alkaline oxygen reduction in gas diffusion electrodes by Jinjie Zhu, Angus Pedersen, Simon Kellner, Robert D. Hunter, Jesús Barrio

    Published 2025-01-01
    “…Iron coordinated in nitrogen-doped carbon (Fe-N-C) single atom electrocatalysts offer the best Pt-free ORR activities. …”
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  3. 1923

    Soil Microbial Community Structure Evolution along Halophyte Succession in Bohai Bay Wetland by Mingyang Cong, Di Cao, Jingkuan Sun, Fuchen Shi

    Published 2014-01-01
    “…Soil organic carbon and especially total nitrogen were positively correlated with microbial biomass. …”
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  4. 1924

    Application of Gaseous ClO2 on Disinfection and Air Pollution Control: A Mini Review by Tse-Lun Chen, Yi-Hung Chen, Yu-Lin Zhao, Pen-Chi Chiang

    Published 2020-09-01
    “…We also review some case studies of the application of ClO2 gas in the medical field and food industry as a sterilizer. Oxidation of nitrogen oxide (NOx), sulfur oxide (SOx), mercury (Hg), and volatile organic compounds (VOCs) using ClO2 gas has been investigated. …”
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  5. 1925

    Improving asphalt concrete durability through soda lignin powder by Aya K. Albayati, Amjad H. Albayati

    Published 2025-03-01
    “…The morphology of SLP was identified as irregular and spherical particles consisting of carbon, oxygen, nitrogen, and sulfur. Experimental evaluations involved three SLP dosages (2 %, 4 %, and 6 % by weight of asphalt binder), with tests for penetration, softening point, ductility and rotational viscosity. …”
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  6. 1926

    Patterns of Understory Diversity in Mixed Coniferous Forests of Southern California Impacted by Air Pollution by Edith B. Allen, Patrick J. Temple, Andrzej Bytnerowicz, Michael J. Arbaugh, Abby G. Sirulnik, Leela E. Rao

    Published 2007-01-01
    “…The forests of the San Bernardino Mountains have been subject to ozone and nitrogen (N) deposition for some 60 years. Much work has been done to assess the impacts of these pollutants on trees, but little is known about how the diverse understory flora has fared. …”
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  7. 1927

    Statistical Tools for Air Pollution Assessment: Multivariate and Spatial Analysis Studies in the Madrid Region by David Núñez-Alonso, Luis Vicente Pérez-Arribas, Sadia Manzoor, Jorge O. Cáceres

    Published 2019-01-01
    “…The data include the annual average concentrations of nitrogen oxides, ozone, and particulate matter (PM10), collected in Madrid and its suburbs, which is one of the largest metropolitan places in Europe, and its air quality has not been studied sufficiently. …”
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  8. 1928

    Pore properties and CO2 adsorption performance of activated carbon prepared from various carbonaceous materials by Yuuki Mochizuki, Javzandolgor Bud, Enkhsaruul Byambajav, Naoto Tsubouchi

    Published 2025-03-01
    “…We first prepared activated carbon samples by heat treatment of the carbonaceous materials with a mixture of melamine as a nitrogen source and K2CO3 as a chemical activator. …”
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  9. 1929

    An Experimental Study on Solidifying Municipal Sewage Sludge through Skeleton Building Using Cement and Coal Gangue by Jiankang Yang, Haijun Lu, Xiong Zhang, Jixiang Li, Weiwei Wang

    Published 2017-01-01
    “…Comprehensive laboratory tests including cracking, nitrogen adsorption, triaxial shearing, and permeability tests were performed to determine cracking, pore structure, shear strength, and hydraulic conductivity of municipal sewage sludge solidified with different proportions of coal gangue, cement, fiber, and clay. …”
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  10. 1930

    Macrophyte species, composition, abundance and diversity in relation to some environmental factors in Upper Awash River basin, Ethiopia by Temesgen Tigab

    Published 2024-12-01
    “…Half of the macrophyte diversity was explained by environmental factors like nitrogen, phosphorus, and sediment texture. Further investigation of unexplained factors is needed for sustainable river management. …”
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  11. 1931

    Monitoring the Hydrothermal Crystallization of Ga/ZSM-5 Using Sorption and other Conventional Techniques by S.V. Awate, P.N. Joshi, T.H. Kim, K.I. Kim, V.P. Shiralkar

    Published 1999-09-01
    “…The influence of the crystallinity on the BET surface area and on the micropore void volume was examined using low-temperature nitrogen adsorption. The sorption uptake behaviour was studied on samples of varying crystallinity using different sorbate probe molecules such as water, n-hexane and cyclohexane. …”
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  12. 1932

    Synthesis Characterization and Biological Activities of Coordination Compounds of 4-Hydroxy-3-nitro-2H-chromen-2-one and Its Aminoethanoic Acid and Pyrrolidine-2-carboxylic Acid Mi... by Temitayo Aiyelabola, Ezekiel Akinkunmi, Efere Obuotor, Idowu Olawuni, David Isabirye, Johan Jordaan

    Published 2017-01-01
    “…Similarly it was proposed that the amino acids also coordinated in a bidentate fashion via their amino nitrogen and carboxylate oxygen atoms. The synthesized compounds were screened for their antimicrobial and cytotoxic activities. …”
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  13. 1933

    Evolution of Pore Characteristics for Bentonite Modified by an Ionic Soil Stabilizer during Hydration Processes by Wei Huang, Zili Feng, Huanran Fu, Wei Xiang

    Published 2021-01-01
    “…In addition, the pore characteristics were studied via XRD, nitrogen adsorption, and mercury injection tests. Finally, the origins that adsorbed water and pore structures changed by adding ISS were discussed. …”
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  14. 1934

    Isolation and Identification of Chemical Constituents from Zhideke Granules by Ultra-Performance Liquid Chromatography Coupled with Mass Spectrometry by Guangqiang Huang, Jie Liang, Xiaosi Chen, Jing Lin, Jinyu Wei, Dongfang Huang, Yushan Zhou, Zhengyi Sun, Lichun Zhao

    Published 2020-01-01
    “…A total of 47 chemical constituents were identified from the ethyl acetate extract of Zhideke granules, including 21 flavonoids and glycosides, 9 organic acids, 4 volatile components, 3 nitrogen-containing compounds, and 10 other compounds according to the fragmentation patterns, relevant literature, and MS data. …”
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  15. 1935

    Recycling of the rare earth oxides from spent rechargeable batteries using waste metallurgical slags by Tang K., Ciftja A., van der Eijk C., Wilson S., Tranell G.

    Published 2013-01-01
    “…The spent battery modules were first frozen with liquid nitrogen for the de-activation and brittle fracture treatment. …”
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  16. 1936

    The Use of Critical Levels for Determining Plant Response to Ozone in Europe and in North America by Robert C. Musselman, Allen S. Lefohn

    Published 2007-01-01
    “…Critical levels have not been used in North America; however, recent interest in the U.S. and Canada for using critical loads for nitrogen and sulfur has generated interest in using critical levels for O3. …”
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  17. 1937

    Vanadate reduction by gram-positive fermentative bacteria isolated from deep-sea sediments on the northern Central Indian Ridge. by Bokyung Kim, Dong Kyun Woo, Juhwan Jeong, Min Sub Sim

    Published 2025-01-01
    “…Vanadium affects microbial carbon and nitrogen metabolism. Notably, in the presence of vanadate, alanine production decreases, suggesting that metabolic flux is diverted from the transamination reaction to vanadate reduction. …”
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  18. 1938

    In Situ Catalytic Pyrolysis of Low-Rank Coal for the Conversion of Heavy Oils into Light Oils by Muhammad Nadeem Amin, Yi Li, Xingmei Lu

    Published 2017-01-01
    “…Moreover, it increased H content and hydrogen-to-carbon ratio by 7.9 and 3.3%, respectively, and reduced the contents of nitrogen, sulphur, and oxygen elements by 8.1%, 15.2%, and 23.9%, respectively, in their produced tars compared to coal without catalyst.…”
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  19. 1939

    Heterogeneous UV/Fenton-Like Degradation of Methyl Orange Using Iron Terephthalate MIL-53 Catalyst by Pham Dinh Du, Huynh Thanh Danh, Pham Ngoc Hoai, Nguyen Mau Thanh, Vo Thang Nguyen, Dinh Quang Khieu

    Published 2020-01-01
    “…MIL-53 material was characterized by means of X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), UV-Vis diffuse reflectance spectra (DR-UV-Vis), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and nitrogen adsorption/desorption isotherms. It was found that the obtained material shares an identical pattern of the MIL-53 structure with high crystallinity and also demonstrates the mesoporous phase with a pore diameter of around 4.2 nm and specific surface area, SBET, of 88.2 m2·g−1. …”
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  20. 1940

    Fe3O4/Reduced Graphene Oxide Nanocomposite: Synthesis and Its Application for Toxic Metal Ion Removal by Nguyen Thi Vuong Hoan, Nguyen Thi Anh Thu, Hoang Van Duc, Nguyen Duc Cuong, Dinh Quang Khieu, Vien Vo

    Published 2016-01-01
    “…The obtained samples were characterized by X-ray diffraction (XRD), nitrogen adsorption/desorption isotherms, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR), and magnetic measurement. …”
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