Showing 881 - 900 results of 1,057 for search '"combustion"', query time: 0.07s Refine Results
  1. 881

    La Chine et l’environnement : pièce en quatre actes (tragédie ou comédie ?) by Marc Lucotte

    Published 2009-02-01
    “…La croissance fulgurante de la demande énergétique, essentiellement comblée par la combustion du charbon, a propulsé la Chine aux premiers rangs des pays émetteurs de gaz à effet de serre, de dioxyde de soufre et autres polluants atmosphériques. …”
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  2. 882

    Residential Indoor and Outdoor PM Measured Using Low-cost Monitors during the Heating Season in Monroe County, NY by Andrea R. Ferro, Naděžda Zíková, Mauro Masiol, Gursumeeran P. Satsangi, Thomas Twomey, David C. Chalupa, David Q. Rich, Philip K. Hopke

    Published 2022-07-01
    “…The mean I/O PM2.5 ratio was 1.1 for all homes and increased to 1.7 when a combustion source was in use as indicated by an elevated CO concentration whereas most prior studies have found this ratio to be < 1. …”
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  3. 883
  4. 884

    Pt-Co and Pt-Ni Catalysts of Low Metal Content for H2 Production by Reforming of Oxygenated Hydrocarbons and Comparison with Reported Pt-Based Catalysts by Liza A. Dosso, Carlos R. Vera, Javier M. Grau

    Published 2018-01-01
    “…New catalysts of Pt, PtNi, PtCo, and NiCo supported on Al2O3 were developed for producing hydrogen by aqueous phase reforming (APR) of oxygenated hydrocarbons. The urea matrix combustion technique was used for loading the metal on the support in order to improve several aspects: increase both the metal-support interaction and the metal dispersion and decrease the metal load. …”
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  5. 885

    Analysis on ignition characteristics and stability of large length-diameter tube with high-low pressure chamber: Experimental and two-phase flow method research by Shenshen Cheng, Ruyi Tao, Xinggan Lu, Xiaoting Cui, Shao Xue

    Published 2025-01-01
    “…The large length-diameter ratio low-pressure tube, characterized by its long ignition channel and multiple ignition orifices distributed along its length, demonstrates an excellent ignition performance, emerges as an ideal ignition component for large-caliber combustion systems. However, due to the restriction of the ignition process within the tube by the initial ignition source, the high-low pressure chamber structure is commonly adopted to ensure the ignition performance. …”
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  6. 886

    Estimation of Non-Marine Fractions of Ions in Rainwater at Three Sites of Different Characteristics in Haryana State (India) by Yogender Singh, Ankita Katoch, Sudesh Yadav, Saurabh Dhakad, Umesh Chandra Kulshrestha

    Published 2024-04-01
    “…Source apportionment was carried out using principal component analysis (PCA) which indicated that anthropogenic activities such as coal combustion or industrial emissions were the key sources at the industrial and urban sites. …”
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  7. 887

    Spatial-temporal Characteristics and Source Apportionment of Ambient VOCs in Southeast Mountain Area of China by Xiaoting Ji, Ke Xu, Dan Liao, Gaojie Chen, Taotao Liu, Youwei Hong, Sijun Dong, Sung-Deuk Choi, Jinsheng Chen

    Published 2022-03-01
    “…Source apportionment of VOCs were quantified by the positive matrix factorization (PMF) model, including industrial emissions and combustion burning (30.1% and 43.3% in the county and rural areas, respectively) and vehicle exhausts (30.3% and 10.8%), followed by solvent usage (17.1% and 5.2%), liquid petroleum gas (LPG) usage and fuel evaporation (14.2% and 10.0%), and biogenic source (8.3% and 30.6%). …”
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  8. 888

    Assessing the Air Quality Impact of Train Operation at Tokyo Metro Shibuya Station from Portable Sensor Data by Deepanshu Agarwal, Xuan Truong Trinh, Wataru Takeuchi

    Published 2025-01-01
    “…Air pollution remains a critical global health concern, with 91% of the world’s population exposed to air quality exceeding World Health Organization (WHO) standards and indoor pollution causing approximately 3.8 million deaths annually due to incomplete fuel combustion. Subways, as major public transportation modes in densely populated cities, can exhibit fine particulate matter (PM) levels that surpass safety limits, even in developed countries. …”
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  9. 889

    Characteristics and Meteorological Factors of Severe Haze Pollution in China by Chao He, Song Hong, Hang Mu, Peiyue Tu, Lu Yang, Biqin Ke, Jiayi Huang

    Published 2021-01-01
    “…The concentration of PM2.5 was closely related to the combustion of fossil fuels and other organic compounds, indicating the large contribution of secondary aerosols to PM2.5 concentrations. …”
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  10. 890

    Research and Development of Civil Engineering Intelligent Structure System by Junkai Xie, Bo Gao, Huamin Cheng

    Published 2021-01-01
    “…Based on the heat transfer model of the composite wall and the fuel energy combustion equation, greenhouse gas is an established calculation model for CO2 and SO2 emissions. …”
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  11. 891

    Capacity and market potential for local production and distribution of electric two-wheelers in Southeast Asia, focused on Thailand, Indonesia and Vietnam by Hyung Ju Kim, Shritu Shrestha, Kanya Pranawengkapti

    Published 2025-02-01
    “…However, the vast majority of 2Ws in the region still rely on internal combustion engine (ICE), contributing significantly to urban air pollution and greenhouse gas emissions. …”
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  12. 892

    Gasoline Direct Injection Engine Emissions of OC and EC: Laboratory Comparisons with Port Fuel Injection Engine by Jie Zhang, John Liggio, Tak W. Chan, Lin Huang, Jeffrey R. Brook

    Published 2022-05-01
    “…This is consistent with the OC forming characteristics for GDI and PFI engines, which are pyrolyzed particles from incomplete combustion and incomplete volatilization of fuel droplets, respectively. …”
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  13. 893
  14. 894

    Influence of Dry Beach on the Dynamic Stability of Ash Storage Field: A Numerical Analysis by Fangtao She, Chang Liu, Xiangang Zhou, Changjun Qi, Jiulong Ding

    Published 2021-01-01
    “…Ash storage sites are a commonly used method of disposing fly ash, a byproduct of coal combustion, in China today, and when it accumulates to a certain height, serious geological hazards may occur as a result of seismic activity. …”
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  15. 895

    Characterization of Seasonal Difference of HULIS-C Sources from Water Soluble PM2.5 in Seoul, Korea: Probing Secondary Processes by Hyung-Min Lee, Se Pyo Lee, Yugen Li, Jian Zhen Yu, Jin Young Kim, Yong Pyo Kim, Ji Yi Lee

    Published 2020-10-01
    “…Specifically, secondary processes including aging and heterogeneous reaction (26%) contributes to the year-round background concentration of HULIS-C and fresh biomass burning (38%) and incomplete combustion (16%) were the major sources of underlying seasonal variation. …”
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  16. 896
  17. 897

    Stress wave attenuation and damage patterns of shale under methane/oxygen explosion by LUO Ning, CHAI Yabo, LI Penglong, YANG Mengdi, YANG Zhongzhou, LIAO Yucheng, CAO Xiaolong, ZHANG Haohao

    Published 2024-12-01
    “…Methane in-situ explosion fracturing of shale is a revolutionary technology that utilizes the methane analyzed from shale reservoirs and the input combustion aids to carry out explosion reactions, thereby forming a three-dimensional fracture network in in-situ fracturing of shale reservoirs. …”
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  18. 898

    Red-emitting Al2O3:Eu3+ Phosphor Powders Featuring Sheet Morphology for the Application of Fingerprint Revealing by Maria Fernanda IBARRA, David Alejandro CHÁVEZ CAMPOS, Alejandro NÚÑEZ VILCHIS, Maria Guadalupe GODINA CUBILLO, Jose Luis FRAGA ALMANZA, Jorge OLIVA UC, Carlos Eduardo RODRIGUEZ GARCIA

    Published 2025-01-01
    “…In this work, Al2O3:xEu3+ red phosphor powders were produced by the combustion synthesis technique with different x molar percentage concentrations of doping of x = 1.5, 3.0, 5.0, and 7.0 mol% of Eu. …”
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  19. 899

    Simultaneous Measurements of PM2.5- and PM10-bound Benzo(a)pyrene in a Coastal Urban Atmosphere in Poland: Seasonality of Dry Deposition Fluxes and influence of Atmospheric Transpo... by Patrycja Siudek, Wiesława Ruczyńska

    Published 2021-07-01
    “…During the period from October to November, high Pb/Zn ratios in PM2.5 and PM10 were also observed, suggesting significant contribution of industrial emission (coal combustion) and local non-exhaust traffic emissions, including tyre abrasion in the case of Zn and the resuspension of road dust rich in Pb. …”
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  20. 900

    Experimental Investigation of Brazilian 14-X B Hypersonic Scramjet Aerospace Vehicle by João Felipe de Araujo Martos, Israel da Silveira Rêgo, Sergio Nicholas Pachon Laiton, Bruno Coelho Lima, Felipe Jean Costa, Paulo Gilberto de Paula Toro

    Published 2017-01-01
    “…The Brazilian hypersonic scramjet aerospace vehicle 14-X B is a technological demonstrator of a hypersonic airbreathing propulsion system based on the supersonic combustion (scramjet) to be tested in flight into the Earth’s atmosphere at an altitude of 30 km and Mach number 7. …”
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