Showing 881 - 900 results of 966 for search '"water quality"', query time: 0.07s Refine Results
  1. 881

    Human health risk assessment of aluminium in water treated with aluminium-based coagulants in a rural area by Fernando García-Ávila, Tatiana Encalada-Alvear, Luis M. Alvarez-Altamirano, Alex Avilés-Añazco, Lorgio Valdiviezo-Gonzalez, Emigdio Alfaro-Paredes

    Published 2025-03-01
    “…This study assessed the non-carcinogenic risk associated with aluminium in drinking water supplied by the water treatment plant in Aurelio Bayas district, Ecuador, a rural region facing significant challenges for accessing safe drinking water, mainly due to the absence of regular water quality monitoring. Monthly samples were collected and analyzed at 20 points in the drinking water distribution network during three summer and three winter months, assessing residual aluminium and other physicochemical parameters. …”
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  2. 882

    Experimental Studies on Physicochemical Parameters of Water Samples before and after Treatment with a Cold Atmospheric Plasma Jet and its Optical Characterization by Hom Bahadur Baniya, Rajesh Prakash Guragain, Gobinda Prasad Panta, Santosh Dhungana, Ganesh Kuwar Chhetri, Ujjwal Man Joshi, Bishnu Prasad Pandey, Deepak Prasad Subedi

    Published 2021-01-01
    “…Our results showed that plasma jet interaction with surface drinking water samples can be useful for the improvement of water quality and an indicator for which reactive species play an important role in plasma sterilization.…”
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  3. 883

    Machine learning-driven benchmarking of China's wastewater treatment plant electricity consumption by Minjian Li, Chongqiao Tang, Junhan Gu, Nianchu Li, Ahemaide Zhou, Kunlin Wu, Zhibo Zhang, Hui Huang, Hongqiang Ren

    Published 2025-01-01
    “…Due to the challenge of characterizing influent water quality using traditional methods, satisfactory benchmarks have long been elusive. …”
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  4. 884
  5. 885

    Mechanisms of nitrogen and phosphorus release from heavily polluted coastal sediments and identification of influencing factor by Nana Hu, Yanqing Sheng, Qi Tang, Xiaozhu Liu

    Published 2025-01-01
    “…The release of nitrogen (N) and phosphorus (P) from coastal sediments is vital to the evolution of coastal water quality. In this study, the release of N and P from coastal sediments in a heavily polluted river was studied using single-factor experiments and sequential extraction of N and P from sediments. …”
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  6. 886

    Prediction and Analysis of metabolic mechanism for regional water system from the perspective of quantity-quality collaborative control——A case study of Zhejiang Province, China... by Siqi Li, Yang Zhang, Tianqi Liu, Jinbo Zhang, Huaicheng Guo, Xiao Pu, Lu Lu, Changbo Qin

    Published 2025-02-01
    “…The shortage of water quantity fundamentally restricts the sustainable development of the economy and society, and the deterioration of water quality further aggravates the shortage of water quantity. …”
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  7. 887

    Liquid chromatography-high resolution mass spectrometry based analysis of persistent mobile organic compounds in aqueous samples: Method development and optimization by Kyriaki Anagnostopoulou, Vasileios Alampanos, Eleni Evgenidou, Dimitra A. Lambropoulou

    Published 2025-03-01
    “…By bridging analytical gaps in PMOC identification, the research contributes to water quality protection and aligns with global environmental and public health goals. …”
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  8. 888

    Changes of Ammonia, Nitrite and Nitrate at Recirculation System of Red Tilapia (Oreochromis sp.) Rearing by D. Djokosetiyanto, A. Sunarma, . Widanarni

    Published 2007-01-01
    “…Recirculation system is an aquaculture system which aimed to maintain water quality at an appropriate level for fish to survive and grow,   Theammonia concentration in recirculation system with biofilter tended to decrease sharply while there was only a slightly decrease in that without biofilter. …”
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  9. 889

    Don’t move a mussel: The role of key environmental drivers and management scale in assessing spatial variation in dreissenid spread risk in the Missouri River basin by Joseph Raymond, Lucas S. Bair, Timothy D. Counihan, Wesley M. Daniel, Sofie Duntugan, Matthew E. Neilson, Michael Springborn

    Published 2025-01-01
    “…., areas with naturally unsuitable water quality for dreissenids. To this end, we construct a composite relative risk index (CRR) for watersheds within the Missouri River Basin, a region in the United States on the front line of dreissenid spread. …”
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  10. 890

    Human health risk from groundwater consumption: A case study in the Apaaso-Tafo Community in the Bono East Region of Ghana by Emmanuel Okyere, Ethel Bentil, Nana Adwoa Kusi-Addai, Lawson Mensah

    Published 2025-02-01
    “…The concentrations of metals (Ca2+, Mg2+ and Fe) were determined using atomic absorption spectroscopy, bacteria (total and faecal coliform) using Multiple Tube Fermentation and Membrane Filter Techniques, and physicochemical qualities using electrometric, titrimetric, argentometric and spectrophotometric methods. The water quality indices (WQI) and the infection probability from drinking the GW were computed. …”
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  11. 891

    The effect of ethanol extract of Aloysia triphylla on anesthesia and improve the physiological parameters of rainbow trout (Oncorhynchus mykiss) after transfer by Ali Hajibeglou, Masoumeh Machanlou, Mohammad Mazandarani, Mohammad Sudagar

    Published 2023-09-01
    “…This study was performed to evaluate the effect of Aloysia triphylla extract on anaesthesia, some water quality parameters, and haematology in juveniles rainbow trout, Oncorhynchus mykiss with average weight of 7 ± 0.42 g after transport. …”
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  12. 892

    Effects of Seasonal Variations in Physical Parameters on Quality of Gravity Flow Water in Kyanamira Sub-County, Kabale District, Uganda by Hannington, Ngabirano, Denis, Byamugisha, Emmanuel, Ntambi

    Published 2022
    “…TDS, pH and temperature were the most contributing parameters to water quality variations in both seasons. The mean pH values varied between 3.78 - 4.84 from March to August, 2014 at all study sites. …”
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  13. 893

    Characteristics of the macroinvertebrate community structure and their habitat suitability conditions in the Chishui River by Xinyu Li, Long Yan, Xu Zhi, Peng Hu, Chongju Shang, Baolong Zhao

    Published 2025-01-01
    “…The optimal conditions for macroinvertebrate communities in the Chishui River were determined to be a DO concentration of 9.8 mg/L and an NH3-N concentration of 0.12 mg/L.DiscussionOverall, the macroinvertebrate community structure in the Chishui River is significantly influenced by factors such as water quality, flow velocity, and substrate particle size, and it demonstrates strong adaptability to seasonal variations.…”
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  14. 894

    A backwater technology for enhancing pollutants discharge from aquaculture tanks in a Litopenaeus vannamei recirculating aquaculture system: Performance and control models by Jianping Xu, Yishuai Du, Jiawei Zhang, Fudi Chen, Li Zhou, Tianlong Qiu, Jianming Sun

    Published 2025-03-01
    “…A comparison was made between the two groups to observe changes in water quality. Using IEB devices, the average total nitrogen (TN), dissolved nitrogen (DN), SSN, total ammonia nitrogen (TAN), and Vibrio concentrations in aquaculture tanks was decreased by 4.55 %, 4.45 %, 12.79 %, 10.26 %, and 10.57 %, respectively. …”
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  15. 895
  16. 896
  17. 897

    Cultured sand sea cucumber growth with different water exchange systems by Debora Liubana, Joi Alfreddi Surbakt, Claudya Zyta Tobu

    Published 2022-10-01
    “…The results showed that the best water exchange systems to increase sand sea cucumber production was tank A with 100% survival rate, 1.84 ± 0.06%/day specific growth rate, and 1714.96 ± 34.13 μm length growth rate. The water quality parameters were also optimal during the sand sea cucumber with the integrated system. …”
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  18. 898

    Development of improved deep learning models for multi-step ahead forecasting of daily river water temperature by Mehdi Gheisari, Jana Shafi, Saeed Kosari, Samaneh Amanabadi, Saeid Mehdizadeh, Christian Fernandez Campusano, Hemn Barzan Abdalla

    Published 2025-12-01
    “…Precise river water temperature (WT) forecasts are essential for monitoring water quality. This study addresses the limited use of signal decomposition in hybrid WT prediction models by proposing three methods: namely ensemble empirical mode decomposition (EEMD) on AdaBoost, long short-term memory (LSTM), and gated recurrent unit (GRU). …”
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  19. 899

    Eukaryotic plankton community and assembly processes in a large-scale water diversion project in China by Liming Zhu, Lihui Feng, Daoxi Zhang, Fang Shi, Xi Zou, Qing Yang, Shan He, Wen Zhu

    Published 2025-02-01
    “…Eukaryotic plankton are widespread in aquatic ecosystems, which are crucial for the water quality stability of DJK and MRP, yet comparative studies on their contemporaneous dynamics and assembly processes are scarce. …”
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  20. 900

    Comparative evaluation of management practices among large-scale broiler farms of Punjab, Pakistan by Muhammad Tahir Amin, Muhammad Usman, Hafiz Muhammad Ishaq, Asad Ali, Muzamal Tariq, Mian Mubashar Saleem, Syed Ghulam Mohayud Din Hashmi, Kinza Saleem, Sohail Ahmad

    Published 2025-02-01
    “…The most commonly observed average downtime was 2–3 weeks plus washing with chlorinated water and detergent after dry cleaning at farms. The water quality regarding TDS and pH level was found normal at the majority of the farms. …”
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