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Effect analysis of trihalomethane reduction in the raw water from Qingcaosha reservoir using various water treatment processes
Published 2025-05-01“…Additionally, the permanganate index shows a significant positive correlation with THMs concentrations, indicating that the content of organic matter in the source of raw water contributes to the generation of THMs in the treated water.…”
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183
Optimization of rice husk ash, Moringa oleifera powder, biochar, and okra seed powder for turbidity and color removal in the Turag and Buriganga Rivers using response surface metho...
Published 2025-06-01“…This study evaluates the use of natural coagulants, including Rice Husk Ash (RHA), Moringa oleifera powder (MOP), Biochar (BC), and Okra Seed Powder (OSP), to remove turbidity and color from polluted waters. Using Response Surface Methodology (RSM), optimal coagulant dosages and post-filtration durations were identified. …”
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184
Effects of carbon-to-nitrogen ratios and nitrogen sources on composting of mushroom residue
Published 2016-11-01“…When the mixture of cow manure or chicken manure and urea was added as nitrogen source, bulk density, water holding capacity, pH and EC values tended to be stable after 70-day composting.In conclusion, the optimal condition for composting of mushroom residue is the initial C/N ratio of 30∶1 and the mixture of cow manure or chicken manure and urea as the nitrogen source.…”
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185
Subsurface hydrogen generation: Natural sources and in-situ hydrocarbon conversion technologies
Published 2025-04-01“…To provide a better understanding of the generation process for supporting the exploitation of subsurface hydrogen, this work comprehensively reviews the chemical pathways for H2 generation and the status of technology development. The natural H2 source is discussed in the classification of rock-water reactions, radiolysis of water, biogenic hydrogen, deep-seated origin, and thermal maturation of organic matter while rock-water reaction appears (e.g. serpentinization) as the most common source. …”
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186
Preparation of Biochars from Different Sources and Study on Their Phosphorus Adsorption Properties
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187
Callus cultures of Thymus vulgaris and Trifolium pratense as a source of geroprotectors
Published 2021-06-01“…Their extracts were obtained by aqueous-alcoholic extraction using the following parameters: water-ethanol solvent Se = 30, 50, and 70 %; temperature Te = 30, 50, and 70°C; time τe = 2, 4, and 6 h. …”
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188
Investigating Source Mechanisms for Nonlinear Displacement of GNSS Using Environmental Loads
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189
Oscillatory electrocoagulation for treatment of surface water and greywater
Published 2025-07-01“…Non-conventional water sources such as surface water (stormwater) and greywater have gained attention due to ever-increasing water demand and growing water scarcity. …”
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190
An Internet of Things Ecosystem for Atmospheric Water Generators
Published 2025-01-01“…In an era of diminishing water resources, Atmospheric Water Generators (AWG) offer an innovative solution to address the global water crisis by harnessing alternative local water sources. …”
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191
Assessment of Water-salt regime of Irrigation system
Published 2024-12-01“…The main source of water for irrigation of agricultural crops in the Shieli area is the Syrdarya River. …”
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Study on algae source pollution and ecological risk control in urban inner lakes
Published 2024-04-01“…The most effective measures for water quality improvement include purifying water quality in source water, and increasing the amount of water replenishment, macrophyte cultivation and the capture of algae by zooplankton. …”
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194
Investigating the performance of adsorption chiller operating under fluctuating heat-source conditions
Published 2025-04-01“…For the coefficient of performance (COP), the order of sensitivity is chilled water, cooling water, and finally hot water. Considering the operational temperature range of proton exchange membrane fuel cells (PEMFCs), the changes in heat source temperature were categorized into two types: non-monotonic fluctuations and no fluctuation variations. …”
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195
Simulation Analysis of Solar-air Dual Heat Source Heat Pump System
Published 2023-01-01“…This study designs and establishes a solar-air dual heat source heat pump system based on a micro-heat pipe array to ensure the stable operation of the multiple heat source heat pump system under complex operating conditions and further optimize the reasonable and efficient energy matching among the system components. …”
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196
Performance Analysis of Refrigeration System with Thermal Energy Storage for Lateral Heat Sources
Published 2025-06-01“…The present research focus Calcium Chloride Hexahydrate (CCH) as the PCM which acts as an intermediary between the heat sources to achieve optimal effectiveness. To improve system performance and optimize PCM quantity, two novel system configurations were assessed in the mass proportions of 1 kg and 2 kg of PCM with water. …”
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197
Design and Implementation of the Controllable-Source Neutron Porosity Logging While Drilling Tool
Published 2023-06-01“…In order to avoid the construction risk caused by chemical sources in the radioactive logging of highly deviated wells, long horizontal wells and complex operating conditions, to obtain the formation data safely and efficiently, the controllable-source neutron porosity logging while drilling (LWD) tool can be used. …”
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198
Spatial and temporal characteristics of water conservation services and rapid response framework for water yield in key ecological zones of the Yiluo River basin
Published 2025-08-01“…Study region: Yiluo River basin, an important water source and ecological barrier in China. Study focus: In this study, we analyzed the spatial and temporal patterns of water yield and the main influencing factors of the Yiluo River Basin based on the water yield response framework constructed by the SWAT model and the intelligent optimization algorithm. …”
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199
Transforming Waste into Sustainable Construction Materials: Resistant Geopolymers from Recycled Sources
Published 2025-06-01“…Chemical resistance against harsh environments was assessed through a 7-day immersion in water, hydrochloric acid (pH ~ 1), and sodium hydroxide (pH ~ 13) solutions. …”
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200
Modeling water and hydrogen networks with partitioning regeneration units
Published 2015-03-01“…The present study proposed a superstructure based optimization model for the synthesis of water and hydrogen networks with partitioning regenerators without mixing the regenerated sources. …”
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