Showing 23,401 - 23,420 results of 23,567 for search '"hydrocarbon"', query time: 0.26s Refine Results
  1. 23401

    Dielectric measurements and catalytic cracking of heavy oils using advanced microwave technologies by Aldawsari, A

    Published 2017
    “…Furthermore, it is not a good absorber of microwave energy due to the presence of nonpolar heavy fractions such as hydrocarbons, sulphur, and nitrogen compounds. Such characteristics make microwave processing of petroleum especially challenging. …”
    Thesis
  2. 23402

    Computer simulation of zeolites by Henson, N, Henson, Neil Jon

    Published 1996
    “…A new forcefield for the interaction of hydrocarbons and aromatics with siliceous zeolites was fitted to thermochemical and crystallographic data. …”
    Thesis
  3. 23403

    Particulate emissions from gasoline direct injection engines by Leach, FCP

    Published 2014
    “…Imaging of in-cylinder evaporation and in-cylinder measurement of hydrocarbons shows how the composition of model fuels affects their PM emissions.…”
    Thesis
  4. 23404

    Genetic Diversity of Boleophthalmus Boddarti and Other Malaysian Gobies by Mohammadi, Mehdi

    Published 2007
    “…The distributions of polycyclic aromatic hydrocarbons (PAHs) in both sediments and porewaters (N=8) in the Klang River and its estuaries were higher than those in the Kuala Muda River. …”
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    Thesis
  5. 23405

    Microwave-assisted pyrolysis and co-pyrolysis of coal and oil palm shell with coconut shell activated carbon as microwave absorber by Mushtaq, Faisal

    Published 2015
    “…The coal-tar is composed mainly of aromatics (naphthalenes, benzenes and xylene) and saturated aliphatics (alkanes and alkenes) hydrocarbons. The gas produced from pyrolysis of OPS and coal is H2 with composition of 27.94–50.46 vol% and 40.23–65.22 vol%, respectively. …”
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    Thesis
  6. 23406
  7. 23407

    Non-target and suspect characterisation of organic contaminants in ambient air – Part 1: Combining a novel sample clean-up method with comprehensive two-dimensional gas chromatogr... by L. Röhler, L. Röhler, P. Bohlin-Nizzetto, P. Rostkowski, R. Kallenborn, R. Kallenborn, M. Schlabach

    Published 2021-02-01
    “…<p>Long-term monitoring of regulated organic chemicals, such as legacy persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs), in ambient air provides valuable information about the compounds' environmental fate as well as temporal and spatial trends. …”
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    Article
  8. 23408
  9. 23409

    Summer and winter variations of dicarboxylic acids, fatty acids and benzoic acid in PM<sub>2.5</sub> in Pearl Delta River Region, China by K. F. Ho, S. S. H. Ho, S. C. Lee, K. Kawamura, S. C. Zou, J. J. Cao, H. M. Xu

    Published 2011-03-01
    “…Moreover, the concentrations of benzoic acid ranged from 84 to 306 ng m<sup>&minus;3</sup>, (165 ± 48 ng m<sup>&minus;3</sup> on average), which can be emitted as primary pollutant from motor vehicles exhaust, or formed from photochemical degradation of aromatic hydrocarbons. Seasonal variations of the organic specie concentrations were found in the four sampling cities. …”
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    Article
  10. 23410

    NO<sub>3</sub> radical measurements in a polluted marine environment: links to ozone formation by J. D. Halla, J. McCourt, D. Majonis, P. Wojtal, R. McLaren, J. Brook

    Published 2010-05-01
    “…Nighttime chemistry in polluted regions is dominated by the nitrate radical (NO<sub>3</sub>) including its direct reaction with natural and anthropogenic hydrocarbons, its reaction with NO<sub>2</sub> to form N<sub>2</sub>O<sub>5</sub>, and subsequent reactions of N<sub>2</sub>O<sub>5</sub> to form HNO<sub>3</sub> and chlorine containing photolabile species. …”
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    Article
  11. 23411

    Naftos produktų garavimo eksperimentiniai tyrimai / Experimental research of petroleum products evaporation by Jurgita Aleknaitė, Dainius Paliulis, Rasa Vaiškūnaitė

    Published 2019-10-01
    “…Heavy metals, phenols, cyanides, aromatic hydrocarbons (benzene, toluene, ethylbenzene, xylene) also enter the soil together with oil products. …”
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    Article
  12. 23412

    Efeito do tempo de exposição a uma atmosfera coqueificante na microestrutura e nas propriedades de um concreto refratário usado na indústria petroquímica Effect of the exposure tim... by M. D. Cabrelon, A. H. A. Pereira, J. Medeiros, R. D. Toledo-Filho, J. A. Rodrigues

    Published 2012-06-01
    “…<br>Refractory castables used in Fluidized Catalytic Cracking Units (FCCU) are said to deteriorate due coke formation during the production of light hydrocarbons, causing a shortening in the operating time of the reactor. …”
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    Article
  13. 23413

    CFD TECHNIQUE TO CALCULATE TUBE SKIN PEAK TEMPERATURES IN REFINERY FURNACES by Fabián-Andrey Díaz-Mateus, Jesús-Alberto Castro-Gualdrón

    Published 2011-12-01
    “…Refinery furnace is referred in this paper to fired heaters for non reacting heat up of hydrocarbons or petroleum crude.<br>Las temperaturas pico de piel de tubo es uno de los principales parámetros que se controlan en la operación de hornos industriales ya que determinan la vida de los tubos y la extensión de una corrida de operación. …”
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    Article
  14. 23414

    Lung function and self-rated symptoms in healthy volunteers after exposure to hydrotreated vegetable oil (HVO) exhaust with and without particles by Louise Gren, Katrin Dierschke, Fredrik Mattsson, Eva Assarsson, Annette M. Krais, Monica Kåredal, Karin Lovén, Jakob Löndahl, Joakim Pagels, Bo Strandberg, Martin Tunér, Yiyi Xu, Per Wollmer, Maria Albin, Jörn Nielsen, Anders Gudmundsson, Aneta Wierzbicka

    Published 2022-01-01
    “…The exposure concentrations were in line with current EU occupational exposure limits (OELs) of NO, NO2, formaldehyde, polycyclic aromatic hydrocarbons (PAHs), and the future OEL (2023) of elemental carbon (EC). …”
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    Article
  15. 23415

    In Vitro Screening of Antimicrobial and Anti-Coagulant Activities, ADME Profiling, and Molecular Docking Study of <i>Citrus limon</i> L. and <i>Citrus paradisi</i> L. Cold-Pressed... by Assia Hamdi, Mabrouk Horchani, Hichem Ben Jannet, Mejdi Snoussi, Emira Noumi, Nouha Bouali, Adel Kadri, Flavio Polito, Vincenzo De Feo, Hayet Edziri

    Published 2023-11-01
    “…The obtained results show that both essential oils are rich in monoterpenes hydrocarbons, whereby limonene is the main compound in <i>C. paradisi</i> EO (86.8%) and <i>C. limon</i> EO (60.6%). …”
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    Article
  16. 23416

    Assessment on the lung injury of mice posed by airborne PM2.5 collected from developing area in China and associated molecular mechanisms by integrated analysis of mRNA-seq and miR... by Shuiping Dai, Zhenglu Wang, Ying Yang, Tingting Guo, Weimin Li

    Published 2021-11-01
    “…Meanwhile, the sum concentrations of polycyclic aromatic hydrocarbons (PAHs) and n-alkanes (C18-C33) were 570.48 and 2029.13 ng/m3 in the exposure chamber, respectively. …”
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    Article
  17. 23417
  18. 23418

    Zhang–Zhang Polynomials of Multiple Zigzag Chains Revisited: A Connection with the John–Sachs Theorem by Henryk A. Witek

    Published 2021-04-01
    “…The current study reports a novel method for determination of these ZZ polynomials based on a hypothesized extension to John–Sachs theorem, used previously to enumerate Kekulé structures of various benzenoid hydrocarbons. We show that the ZZ polynomial of the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>Z</mi><mfenced separators="" open="(" close=")"><mi>m</mi><mo>,</mo><mi>n</mi></mfenced></mrow></semantics></math></inline-formula> multiple zigzag chain can be conveniently expressed as a determinant of a Toeplitz (or almost Toeplitz) matrix of size <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mfenced separators="" open="⌈" close="⌉"><mfrac><mi>m</mi><mn>2</mn></mfrac></mfenced><mo>×</mo><mfenced separators="" open="⌈" close="⌉"><mfrac><mi>m</mi><mn>2</mn></mfrac></mfenced></mrow></semantics></math></inline-formula> consisting of simple hypergeometric polynomials. …”
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    Article
  19. 23419

    Emissions Characteristics of Hazardous Air Pollutants from the Incineration of Sacrificial Offerings by Shihao Zhang, Lianhong Zhong, Xi Chen, Yanan Liu, Xiaoman Zhai, Yifeng Xue, Wei Wang, Jie Liu, Kangli Xu

    Published 2019-06-01
    “…The incineration of sacrificial offerings generates numerous hazardous air pollutants, including particulate matter (PM), CO, SO<sub>2</sub>, NO<i>x</i> and non-methane hydrocarbons (NMHC), which has significant effects on the environment and human health. …”
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    Article
  20. 23420

    Variations in surface ozone and carbon monoxide in the Kathmandu Valley and surrounding broader regions during SusKat-ABC field campaign: role of local and regional sources by P. Bhardwaj, P. Bhardwaj, P. Bhardwaj, M. Naja, M. Rupakheti, A. Lupascu, A. Mues, A. K. Panday, R. Kumar, K. S. Mahata, S. Lal, H. C. Chandola, M. G. Lawrence

    Published 2018-08-01
    “…A comparison of surface ozone variations and composition of light non-methane hydrocarbons among different sites indicated the differences in emission sources of the Kathmandu Valley and the IGP. …”
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    Article