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241
Research on CO2-enhanced coalbed methane extraction effect based on different reservoir parameters and injection timing
Published 2025-08-01“…The results show that the enhancement factor of 3# coal seam in Qinshui Basin is 1.37 after 4000 days of extraction, which indicates the feasibility of CO2-enhanced coalbed methane recovery; due to the competitive effects of pore pressure, gas adsorption/desorption and thermoelastic expansion strain, the permeability shows a decreasing - increasing - decreasing trend; increasing the injection temperature and pressure will raise the temperature of the coal reservoir, promote the production of CH4 and the storage of CO2, and increase the decline in permeability; the greater the initial water saturation, the less favorable it is for gas production and storage, and the smaller the decline in permeability; Delaying the injection time helps to increase the recovery rate of CH4 and the well closure threshold, but it will have a negative impact on the average production rate of CH4; when the start time of CO2 injection was 2 500 days, the average output rate was 1 142.10 m3/d, and the economic benefits of this demonstration project reached the optimum. …”
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242
Methyl orange sorption on octadecylamine-modified iron oxide magnetic nanoparticles
Published 2024-07-01“…The influence of nanoparticle concentration, pH, and temperature on sorption efficiency is systematically explored, with optimal conditions identified at 10 mg/L ODA-IONPs and pH 6. …”
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243
The Impact of Meteorological Data on the Accuracy of Solar Electricity Generation Forecasting Using Neural Networks
Published 2025-04-01“…To improve the accuracy of forecasting electricity generation by solar power plants, this article proposes the use, in addition to meteorological parameters such as air temperature and wind speed, of a new indicator defined as the unit active power generation (<i>P*</i>). …”
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244
A Review on the Application of Circulating Fluidized Bed Fly Ash in Building Materials
Published 2022-01-01“…Owing to its characteristics of low temperature combustion and desulfurization in furnace, the CFB fly ash is quite different from ordinary fly ash. …”
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245
Removing Basic Fuchsine Dye by Adsorption over CuCo2O4 Nanocomposite as an Active Adsorbent Surface
Published 2024-07-01“…Different adsorption parameters were conducted involving the dose of adsorbent surface, time of adsorption, pH of the medium, and temperature. The optimum removal efficiency was around 97 % at contact time 5 minutes, 0.005g of dose the surface adsorbent, pH = 8 and 50 mg. …”
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246
Nanofiber composite for anti-bacterial application by electrospinning technique
Published 2023-07-01“…In addition to the above-mentioned tests, the three-dimensional morphology of the specimens was tested by atomic force microscope technique (AFM), as well as testing against positive and negative gram bacteria to evaluate the efficiency of the prepared nanocomposite as an antibacterial material. …”
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247
Tracking Microplastics in the Air: Cutting-edge Methods for Indoor and Outdoor Environments
Published 2024-10-01“…Zinc chloride (ZnCl2, 1.6 g cm−3) has been used in density separation of polymers owing to its high efficiency and reusability. It has been demonstrated that ZnCl2 and H2O2 have no negative impacts on sample particles under the given conditions. …”
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248
The Impact of the Trailer Microclimate on Some Physiological, Behavioral, and Meat pH of Fattening Pigs During Short-Duration Journeys in Tropical Climate
Published 2024-01-01“…Heat stress is a problem that negatively affects animal welfare, health, and the productive efficiency of pigs. …”
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249
Climatic Effect on Atopic Dermatitis Course and Therapeutic Capabilities
Published 2020-12-01“…The climate itself is the complex of many components, such as: temperature, humidity, precipitation, wind and season. …”
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250
Simulation of Soil Freeze-thaw Process and Water Balance in Shrubland Meadow in Shallow Mountain Area of Qilian Mountains
Published 2025-04-01“…Soil water-heat dynamics are pivotal in influencing regional hydrological processes.Understanding the dynamics of soil thermal and moisture changes during freezing and thawing processes is essential for assessing water balance in high-altitude regions.This study utilizes meteorological and soil water-heat observational data from a typical shallow mountainous catchment in the Qilian Mountains to simulate the water-heat dynamics of subalpine shrub meadow soil using the SHAW model, analyzing the changes in water balance during the soil freezing and thawing process.The results indicate that the SHAW model effectively simulates the temporal and vertical variations in soil temperature and moisture in subalpine shrub meadow soils.The findings demonstrates that the Nash-Sutcliffe Efficiency (NSE) for simulated soil temperature at various depths exceeded 0.88, with ae correlation coefficient (R) greater than 0.97and a Root Mean Square Error (RMSE) less than 1.89 ℃.For soil moisture, the correlation coefficient (R) was greater than 0.94, NSE was greater than 0.88.and the RMSE was less than 0.05 m³·m⁻³.Overall, the simulation of soil temperature is more accurate than that of soil moisture, especially in deeper soil layers.The soil freezing and thawing periods, delineated by temperature profiles, revealed a distinct unidirectional freezing and thawing characteristic of the subalpine shrub meadow soil, with the longest duration in the complete freezing period and the shortest in the freezing period.The trends in temperature and moisture across the soil profile exhibit a "U" shape, indicating higher soil temperatures and moisture during the thawing period compared to the freezing period, with significant fluctuations in surface soil moisture and relative stability at deeper layers.The water balance characteristics are significantly varied across different soil freezing and thawing periods.During the freezing period, the precipitation input is 4.28 mm, with the main expenditure of water is deep percolation at 9.06 mm.In the complete freezing period, the precipitation input is 28.69 mm, with the main expenditure of water is surface runoff at 17.90 mm.During the thawing period and the complete thawing period, the precipitation input is 106.29 mm and 207.31 mm respectively, with the major water output through evapotranspiration, where plant transpiration accounted for 78.11% and 71.54% respectively.The soil moisture shows a negative balance during the freezing and complete thawing periods, indicating a net loss of moisture.Conversely, the soil moisture exhibits a positive balance during the complete freezing and thawing periods, signifying a net increase in moisture.This study may provide empirical data and theoretical support for the formation and transformation of water resources in the Qilian Mountain region.…”
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251
Synthesized Nano-Titanium Dioxide (Nano-TiO<sub>2</sub>) via Ammonium Fluorotitanate ((NH<sub>4</sub>)<sub>2</sub>TiF<sub>6</sub>) Precipitation with Ammonia Solution
Published 2025-06-01“…Notably, nanorod structures emerged under low-temperature conditions with F<sup>−</sup> ion adsorption. …”
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252
One-, Two-, and Three-Parameter Isotherms, Kinetics, and Thermodynamic Evaluation of Co(II) Removal from Aqueous Solution Using Dead Neem Leaves
Published 2019-01-01“…Equilibrium was attained in 10 minutes for the three concentrations with a removal efficiency of 85–97%. ∆G° of −5.424 to −6.068 KJ/mol at 25 to 60°C, respectively, indicated spontaneous adsorption with increasing temperature. …”
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253
Decontamination of crystal violet using nanocomposite adsorbent based on pine cone biochar modified with CoFe2O4/Mn-Fe LDH
Published 2025-04-01“…The composite achieved a maximum CV dye removal efficiency of 98.54% under optimal conditions: pH = 9, temperature 25 °C, adsorbent dose of 1 g/L, contact time of 70 min, and initial dye concentration of 10 mg/L. …”
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254
Mercury capture using functionalized metal-organic framework encapsulated in dual hydrogel layers of β-cyclodextrin and polyethylenimine: Synthesis, characterization, adsorption, t...
Published 2025-06-01“…In addition, the Gibbs free energy change (ΔGo) becomes increasingly negative with rising temperatures, ranging from -0.13 to -10.11 kJ/mol as the temperature varies from 293 to 318 K. …”
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255
Automated vacuum drying kinetics, thermodynamics, and economic analysis of sage leaves
Published 2025-05-01“…Thermodynamic analysis revealed activation energy values between 19.4 and 37.7 kJ/mol, with activation enthalpy decreasing at higher temperatures and lower pressures. The negative activation entropy values indicated chemical adsorption or structural modifications during drying. …”
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256
Optimizing Viticulture Sustainability Through Foliar Zeolite Treatments: An In-Depth Analysis of Their Impact on Gas Exchange, Yield, and the Composition of Sangiovese Grapes and W...
Published 2025-01-01“…The results showed that zeolite treatments effectively reduced canopy temperature by two degrees Celsius, enhancing gas exchange efficiency and photosynthetic activity in potted vines. …”
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257
Magnesium‐Mediated Electrochemical Synthesis of Ammonia
Published 2025-07-01“…Abstract Metal‐mediated electrochemical synthesis of ammonia (NH3) is a promising method to activate N2 at room temperature. While a Li‐mediated approach has been optimized to produce NH3 at high current density and selectivity, Li's scarcity and its highly negative plating potential limit scalability and energy efficiency. …”
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258
Sources of variation underlying the production of lactose by dairy cows
Published 2025-04-01“…Holsteins had the highest LY and MSY and the lowest LP, whereas Jerseys produced more MSY per unit of LY (MSY:LY ratio). We observed a negative correlation between LY and milk composition variables (fat and protein percentages) and environmental factors such as the temperature-humidity index. …”
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259
Results of rearing Siberian sturgeon in cages in the European North
Published 2025-01-01“…As a result of the study, a reliable increase in fish weight was noted when kept in groups with a stocking density of 132 pcs/m2, under different temperature conditions. In the cage with a more optimal temperature of 1580 degree-days, the fish weight by the end of rearing was significantly greater and made 199 g, while the increase in stocking density did not have a negative effect on the rearing results and contributed to a more efficient use of production areas. …”
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260
A Study on the Performance of Vacuum Membrane Distillation in Treating Acidic, Simulated, Low-Level Radioactive Liquid Waste
Published 2025-07-01“…By focusing on key operational parameters, including feed temperature, vacuum pressure, and flow velocity, an orthogonal experiment was designed to obtain the optimal parameters. …”
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