Showing 41 - 60 results of 92 for search '"nitrate"', query time: 0.06s Refine Results
  1. 41

    Biodegradation Potential of Oil-based Drill Cuttings Encapsulated with Cement in the Soil Environment by Rim-Rukeh Akpofure

    Published 2013-05-01
    “…Results of soil analyses show that physico-chemical and biological characteristics of the soil environment as; pH (5.6 – 3.9), temperature (27.7 – 39.5 oC), redox potential (-114mV – (-80mV), total organic carbon (12.7% - 7.3%), sulphate (0.7 – 0.2mg/l), nitrate (6.7 – 2.2mg/l), moisture content (82-89%) and total microbial count (105 – 1013 cfu/g). …”
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    Article
  2. 42

    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
  3. 43

    Component Composition of Aerosols and their Dynamics in the Atmosphere of the Baikal South-Eastern Coast by Galina S. Zhamsueva, Alexander S. Zayakhanov, Alexey V. Starikov, Ayuna L. Dementeva, Tamara V. Khodzher, Lyudmila P. Golobokova

    Published 2023-11-01
    “…In fire periods, an increase in the proportion of nitrate ions, chloride ions, calcium ions, sulfate ions, bromide ions in suspended particles on average up to 10 times or more compared to background conditions, as well as the proportion of metal ions (calcium, potassium, sodium). …”
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    Article
  4. 44

    Modelling nitrogen transformation in the Lake Bunyonyi ecosystem, South‑Western Uganda by Alex, Saturday, Thomas, J. Lyimo, John, Machiwa, Pamba, Siajali

    Published 2022
    “…The developed model predicted reasonably well the behaviour of the lake evidenced by the validation results of observed and simulated data that showedgood linear regression coefficients (R2) of organic nitrogen (0.48), ammonia–nitrogen (0.68), and nitrate–nitrogen (0.61). The model has proven suitable for application on lakes with characteristics similar to that of Lake Bunyonyi. …”
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    Article
  5. 45

    Removal of Arsenic(V) from wastewater using calcined eggshells as a cost-effective adsorbent by Pratikshya Poudel, Davi Lal Parajuli, Srijana Sharma, Janaki Baral, Megh Raj Pokhrel, Bhoj Raj Poudel

    Published 2025-02-01
    “…The presence of additional anions such as chloride, sulfate, or nitrate had no significant impact on the biosorption of arsenate. …”
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    Article
  6. 46

    Determination and Comparison of the Concentration of Cyanide Ions in Fresh and Dried Bitter Cassava. by Bukyire, Sezi

    Published 2024
    “…Cyanide concentrations were measured using a titration method with silver nitrate. The results showed that fresh cassava had a mean cyanide concentration of 5432.16 mg/kg, which decreased to 2976.29 mg/kg for sun-dried and 2112.42 mg/kg for oven-dried samples. …”
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    Thesis
  7. 47

    Modelling nitrogen transformation in the Lake Bunyonyi ecosystem, South‑Western Uganda by Alex, Saturday, Thomas, J. Lyimo, John, Machiwa, Siajali, Pamba

    Published 2022
    “…The developed model predicted reasonably well the behaviour of the lake evidenced by the validation results of observed and simulated data that showed good linear regression coefficients (R2) of organic nitrogen (0.48), ammonia–nitrogen (0.68), and nitrate–nitrogen (0.61). The model has proven suitable for application on lakes with characteristics similar to that of Lake Bunyonyi. …”
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    Article
  8. 48

    The Effects of Storage on Sachet Water Quality in Ogun State, Nigeria by ZO Ajekunle, VO Ojekunle, AO Eruola, FF Oyebanji, KA Olatunde, BT Amujo, OR Sangowusi, AA Adekttan, AG Taiwo

    Published 2015-07-01
    “…Majorly dissolved oxygen and nitrate values decreased through the investigation period. …”
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    Article
  9. 49

    Content and Dynamics of Nutrients in the Surface Water of Shallow Lake Mulehe in Kisoro District, South–western Uganda. by Saturday, Alex, Kangume, Susan, Bamwerinde, Wilson

    Published 2023
    “…Nutrients; ammonia–nitrogen (NH4–N), nitrate–nitrogen (NO3–N), nitrite–nitrogen (NO2–N), totalnitrogen (TN), total phosphorus (TP) and soluble reactive phosphorus (SRP) were investigated in accordance with APHA 2017 standard procedures. …”
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    Article
  10. 50

    Refined Source Apportionment of Atmospheric PM2.5 in a Typical City in Northwest China by Yiting Wang, Yong Zhang, Xia Li, Junji Cao

    Published 2020-09-01
    “…Organic carbon (18.2%), nitrate (17.0%), and sulfate (13.1%) were the main chemical components of PM2.5. …”
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    Article
  11. 51

    Assessment of the Sphericity of Submicrometer Particles Using a Single-particle Polar Nephelometer at an Urban Site in Japan by Maho Nakagawa, Tomoki Nakayama, Hiroshi Sasago, Yuki Kuruma, Hikari Yai, Shuhei Ogawa, Yange Deng, Michihiro Mochida, Yutaka Matsumi

    Published 2020-07-01
    “…On days with extremely high relative humidity, the diurnal variation in the average sphericity displayed another peak during the early morning, which may have been due to the secondary formation of nitrate.…”
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    Article
  12. 52

    Evaluation of composite resin microleakage with using different bonding agents by micro computed tomography by Binar Khalis Bilal, Diyar Khalid Bakr

    Published 2021-07-01
    “…After the specimens undergone thermocycling process (1000 cycles), immersed into the silver nitrate solution after the specimens being varnished by nail polish. …”
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    Article
  13. 53

    Groundwater quality evaluation and its suitability for domestic and irrigation use in the hard rock terrain of Olakkur block, Tamilnadu, India by D. Vinodh., S. Senthilkumar, B. Gowtham, Talelign Wegene, M. Jeevanandam

    Published 2022-01-01
    “…Groundwater samples were collected from twenty five locations in both pre-monsoon and post-monsoon months and examined for various physico-chemical parameters such as pH, total dissolved solids, total hardness, calcium, magnesium, sodium, potassium, bicarbonate, sulphate, Nitrate and chloride. To assess the domestic suitability of groundwater, all these parameters were compared with the standards of World Health Organization and Indian standards. …”
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    Article
  14. 54

    Issues with the Organic and Elemental Carbon Fractions in Recent U.S. Chemical Speciation Network Data by Philip K. Hopke, Yunle Chen, David Q. Rich, John G. Watson, Judith C. Chow

    Published 2023-05-01
    “…The Positive Matrix Factorization (PMF) source factor containing the optical pyrolysis correction (OP) typically includes significant contributions to sulfate and/or nitrate. This factor is associated with aged secondary organic and inorganic species. …”
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    Article
  15. 55

    Analysis of the Physicochemical Burden of Oyo State Fish Pond, Ibadan, Southwest Nigeria by BB Babatunde, GN Woke

    Published 2015-07-01
    “…OYSFP recorded the lowest dissolved oxygen value of 2.03mg/L and the highest BOD, COD, nitrate, TS and conductivity values of 78.04mg/L, 235.26mg/L, 78 mg/L, 1428.50, 947μS/cm respectively. …”
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    Article
  16. 56

    Investigation of the Content and Dynamics of Nutrients In The Surface Water of Lake Mulehe In Kisoro District, South-Western Uganda. by Saturday, Alex

    Published 2023
    “…Nutrients; ammonia–nitrogen (NH4–N), nitrate–nitrogen (NO3–N), nitrite–nitrogen (NO2–N), total nitrogen (TN), total phosphorus (TP) and soluble reactive phosphorus (SRP) were investigated in accordance with APHA 2017 standard procedures. …”
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    Article
  17. 57

    Spatio‑temporal variations in physicochemical water quality parameters of Lake Bunyonyi, Southwestern Uganda by Saturday,Alex, Lyimo,Thomas J., Machiwa, John, Pamba,Siajali

    Published 2023
    “…Water temperature, dissolved oxygen (DO), turbidity, electric conductivity (EC), pH and Secchi depth (SD) were measured in the feld, while parameters like total nitrogen (TN), total phosphorus (TP), nitrite-nitrogen (NO2-N), nitrate nitrogen (NO3-N), soluble reactive phosphorus (SRP) were determined following APHA 2017 standard guidelines for physicochemical analysis. …”
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    Article
  18. 58

    Investigation of the Content and Dynamics of Nutrients in the Surface Water of Lake Mulehe in Kisoro District, South-Western Uganda by Saturday, Alex PhD

    Published 2024
    “…Nutrients; ammonia–nitrogen (NH4–N), nitrate–nitrogen (NO3–N), nitrite–nitrogen (NO2–N), total nitrogen (TN), total phosphorus (TP) and soluble reactive phosphorus (SRP) were investigated in accordance with APHA 2017 standard procedures. …”
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    Other
  19. 59

    Content and dynamics of nutrients in the surface water of shallow Lake Mulehe in Kisoro District, South–western Uganda by Saturday, Alex, Kangume , Susan, Bamwerinde, Wilson

    Published 2024
    “…Nutrients; ammonia–nitrogen (NH4–N), nitrate–nitrogen (NO3–N), nitrite–nitrogen (NO2–N), total nitrogen (TN), total phosphorus (TP) and soluble reactive phosphorus (SRP) were investigated in accordance with APHA 2017 standard procedures. …”
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    Article
  20. 60

    Content and dynamics of nutrients in the surface water of shallow Lake Mulehe in Kisoro District, South–western Uganda by Saturday Alex · Kangume Susan · Bamwerinde Wilson

    Published 2024
    “…Nutrients; ammonia–nitrogen (NH4–N), nitrate–nitrogen (NO3–N), nitrite–nitrogen (NO2–N), total nitrogen (TN), total phosphorus (TP) and soluble reactive phosphorus (SRP) were investigated in accordance with APHA 2017 standard procedures. …”
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    Article