Showing 901 - 920 results of 3,558 for search '"oxygen"', query time: 0.06s Refine Results
  1. 901

    Parthenium hysterophorus: Novel adsorbent for the removal of heavy metals and dyes by S.A. Bapat, D.K. Jaspal

    Published 2016-03-01
    “…Thus a combined discharge of these contaminants results in water pollution with high chemical oxygen demand, biological oxygen demand, color, particulate matter, suspended particles and odor. …”
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    Article
  2. 902

    Hypoxia-inducible factor in cancer: from pathway regulation to therapeutic opportunity by Brian M Ortmann

    Published 2024-07-01
    “…One major challenge to cancer treatment is the tumour microenvironment and in particular tumour hypoxia (low oxygen levels), which contributes to tumour progression and immune evasion. …”
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    Article
  3. 903

    Impacts of Effluents on the Limnology of a Tropical River, Southwestern Nigeria by Abeke Adedolapo Ayoade, A Olajumoke Olusegun

    Published 2013-07-01
    “…The mean biochemical oxygen demand (106.9 ± 58.25 mg/l), Nitrate (40 ± 30.8 mg/l), dissolved oxygen (4.2 ± 2.16 mg/l) and total suspended solids (124.02 ± 16.09 mg/l) were not within permissible standard limits suitable for aquatic life and domestic purposes. …”
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    Article
  4. 904

    Neutrophil Leukocyte: Combustive Microbicidal Action and Chemiluminescence by Robert C. Allen

    Published 2015-01-01
    “…In burning, the spin barrier is overcome when energy causes homolytic bond cleavage producing radicals capable of reacting with diradical O2 to yield oxygenated radical products that further participate in reactive propagation. …”
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    Article
  5. 905

    Mechanism of action of 5-arninosalicylic acid by N. A. Punchard, S. M. Greenfield, R. P. H. Thompson

    Published 1992-01-01
    “…Several mechanisms of action have been proposed for 5-ASA and SASP including interference in the metabolism of arachidonic acid to prostaglandins and leukotrienes, scavenging,of reactive oxygen species, effects on leucocyte function and production of cytokines. …”
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    Article
  6. 906

    Photophysical properties of two novel tetraphenylporphyrins substituted by guanidiniocarbonyl and monocyclic guanidine groups by Pavel Kubát, Kamil Lang, Vladimír Král, Franz P. Schmidtchen

    Published 2001-01-01
    “…I stays predominantly monomeric in aqueous solutions. It produces singlet oxygen with high quantum yield (ΦΔ=0.67) that is typical for monomeric porphyrins. …”
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    Article
  7. 907

    Assessment of the Quality of Water From River Rwizi-Mbarara City. by Aruho, Bosco

    Published 2024
    “…Key parameters analyzed included temperature, turbidity, total suspended solids (TSS), pH, dissolved oxygen (DO), biochemical oxygen demand (BOD), and electrical conductivity. …”
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    Thesis
  8. 908

    Development and Evaluation of a Hypertension Prediction Model for Community-Based Screening of Sleep-Disordered Breathing by Feng T, Shan G, Hu Y, He H, Pei G, Zhou R, Ou Q

    Published 2025-01-01
    “…Data collection included demographic information, clinical indicators, and results from type IV sleep monitors, which recorded oxygen desaturation index (ODI), average nocturnal oxygen saturation (MeanSpO2), and lowest recorded oxygen saturation (MinSpO2). …”
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    Article
  9. 909

    Hydrochemical characteristics, water quality and diatom assemblage in Dordi River, Nepal by Punam Phuyal, Shraddha Ranabhat, Sanjal Khatri, Nabin Lamichhane, Ramesh Raj Pant, Lal Bahadur Thapa, Ram Kailash Prasad Yadav

    Published 2025-01-01
    “…The water quality parameters of the river like temperature, pH, electric conductivity (EC), total dissolved solids (TDS), dissolved oxygen (DO), turbidity, and total alkalinity (TA) were measured in-situ, whereas concentrations of major ions (Ca2+, Mg2+, K+, Na+, NH4+, HCO3–, Cl–, SO42–, NO3–, and PO43–), biological oxygen demand (BOD) and chemical oxygen demand (COD) were analyzed in the laboratory by collecting water samples from different parts of the river. …”
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    Article
  10. 910

    Analysis and 3D modelling of percolated conductive networks in nanoparticle-based thin films by Stanislav Haviar, Benedikt Prifling, Tomáš Kozák, Kalyani Shaji, Tereza Košutová, Šimon Kos, Volker Schmidt, Jiří Čapek

    Published 2025-01-01
    “…A computational model incorporating a simplified adsorption model was developed to simulate the effects of oxygen adsorption on the surface conductivity of the nanoparticles. …”
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    Article
  11. 911

    Generalization of artificial neural network for predicting methane production in laboratory-scale anaerobic bioreactor landfills by M.J. Zoqi

    Published 2024-01-01
    “…In System 2, the average removal efficiencies for chemical oxygen demand and ammonium were found to be 85 percent and 34 percent respectively. …”
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    Article
  12. 912

    Molecular dynamics simulation of temperature and concentration distribution at liquid-gas interface during liquid air storage process by Zhanping You, Menghan Cheng, Changjie Ma, Yufei Xiao, Xuemin Zhao, Camila Barreneche, Xiaohui She

    Published 2025-06-01
    “…In addition, a higher heat flux leads to a higher evaporation rate and a larger oxygen concentration. As the heat flux increases from 0.0 to 2.4 W/m2, evaporation rate rises from 0.13 to 0.2 % and the oxygen concentration at the liquid-gas interface reaches 22.3 %. …”
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    Article
  13. 913

    Interface effects in the phase determination of Hf0.5Zr0.5O2 epitaxial thin films by Jesse Schimpf, Wang Zhang, Mahir Manna, Sandhya Susarla, Xue-Zeng Lu, James M. Rondinelli, Lane W. Martin

    Published 2025-01-01
    “…First-principles calculations suggest that forming oxygen vacancies in Hf0.5Zr0.5O2 lowers its work function, driving electrons away and helping to stabilize the ferroelectric phase. …”
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    Article
  14. 914

    Hydrodynamics and water quality assessment of a coastal lagoon using environmental fluid dynamics code explorer modeling system by F.M. Torres-Bejarano, A.C. Torregroza-Espinosa, E. Martinez-Mera, D. Castañeda-Valbuena, M.P. Tejera-Gonzalez

    Published 2020-07-01
    “…In this work, the environmental fluid dynamics code explorer modeling system was implemented to determine the spatio-temporal distribution of temperature, dissolved oxygen, chemical oxygen demand and nutrient levels, and assess the trophic status of Ciénaga de Mallorquín. …”
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    Article
  15. 915

    Microstructural transformation of GO to rGO by ascorbate acid green-agent enhanced using sonication method by Masruroh, Freygieon Ogiek Rizal Sukma, Kormil Saputra, Nandang Mufti, Kusumandari, Anton Prasetyo, Rachmat T Tjahjanto, Dionysius J D H Santjojo

    Published 2025-01-01
    “…FTIR analysis showed a decrease in the absorption intensity of the O=C=O (2200–2450 cm ^−1 ), C–O (1024–1150 cm ^−1 ), and O–H (3650–3800 cm ^−1 ) peaks, indicating a decrease in oxygen groups. SEM showed a change in the morphology of the compact GO surface to a looser and folded rGO, with a decrease in the oxygen ratio detected by elemental mapping. …”
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    Article
  16. 916

    The Associations of Platelet Activation and Coagulation Parameters with Obstructive Sleep Apnoea: A Large-Scale Observational Study by Jundong Yang, Wenjun Xue, Zhicheng Wei, Caiqiong Hou, Huaming Zhu, Huajun Xu, Xiaolin Wu, Yunhai Feng, Xinyi Li

    Published 2023-01-01
    “…PDW was negatively correlated with percentage of sleep time with oxygen saturation below 90%(CT90) (ß = −0.092, p=0.009). …”
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    Article
  17. 917

    A Comparison of CPR on a Hard Surface Compared to CPR on a Mattress by Kara Stout, Lee Doernte, Riley Phipps

    Published 2024-12-01
    “…Measurements included heart rate (HR), oxygen consumption (VO₂), ventilatory equivalent for oxygen (Ve/VO₂), fraction of expired oxygen (FeO₂), compression depth and rate, and ratings of perceived exertion (RPE). …”
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    Article
  18. 918
  19. 919

    Restructuring of small-scale constructed wetland systems and treatability of individual household wastewater through natural process by S. Mokatip, K. Chunkao, W. Wararam, S. Bualert, O. Phewnil, T. Pattamapitoon, N. Semvimol, P. Maskulrath, P. Rollap, S. Thaipakdee

    Published 2024-07-01
    “…This efficacy corresponds to a notable reduction in average biochemical oxygen demand from 740.0 to 9.7 milligrams per liter. …”
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    Article
  20. 920

    Penerapan Decision Tree dan Random Forest dalam Deteksi Tingkat Stres Manusia Berdasarkan Kondisi Tidur by Sza Sza Amulya Larasati, Elok Nuraida Kusuma Dewi, Brahma Hanif Farhansyah, Fitra Abdurrachman Bachtiar, Fajar Pradana

    Published 2024-10-01
    “…On the other hand, the other three features: body temperature, blood oxygen level, and sleep hours yield the opposite results. …”
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    Article