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Comprehensive analysis of key design parameters affecting the efficiency of flat plate solar thermal collectors
Published 2025-09-01“…The results indicate that the best performance occurs at flow rates between 175 and 225 kg/h, with a peak efficiency of 81.2 % at 175 kg/h, and ambient temperatures of 30–34 °C, achieving an efficiency of 84.1 % at 34 °C. …”
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82
MPPT Algorithm Based on PV Cell Temperature, Using Open Circuit Voltage Measurement, Combined With PV Cell Cooling
Published 2018-12-01“… As an increase of Photovoltaic (PV) cell temperature originates a negative effect, the application of a PV cell cooling system allows a performance improvement. …”
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83
The Influence of low-temperature cold shock saturated water on the permeability characteristics of coal body and experimental study on permeability enhancement
Published 2024-12-01“…Negative pressure water-saturated device is used to saturate the specimen, after the specimen is completely saturated with water, it is put into the high and low temperature test chamber, and different specimens are impacted at room temperature, 0 ℃, −20 ℃ and −40 ℃, respectively. …”
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84
Copper and Temperature Interactions Induce Differential Physiological and Metal Exclusion Responses in the Model Brown Macroalga <i>Ectocarpus</i>
Published 2025-06-01“…The results presented here provide valuable information to better understand the interactive effects of increased temperature and excess Cu in the stress response of <i>Ectocarpus</i>, suggesting that increased temperature helps to offset the negative impacts of exposure to high Cu concentrations.…”
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85
Evaluating the impact of ambient temperature on energy consumption rate of electric two-wheeler using real-world driving data
Published 2024-12-01“…The study also reveals that an extreme ambient temperature reduces the battery's useable capacity, negatively impacting power output and driving range. …”
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86
Influence of water temperature on feed intake, appetite control, and energy allocation in Atlantic salmon (Salmo salar) post-smolt
Published 2025-08-01“…Plasma ghrelin (Ghrl) levels decreased significantly at elevated temperature. Temperature negatively affected the ghrl1 expression in the stomach, and the expression dynamics of the orexigenic neuropeptide npya and anorexigenic pomca paralogues in the hypothalamus, which were lower at 15°C. …”
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87
Simulation analysis and experimental study on R290 substituting for R134a electric vehicle compressor
Published 2025-01-01“…The isentropic efficiency and volumetric efficiency of the compressor increase with the increase of evaporation temperature and are negatively correlated with condensation temperature. …”
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88
Machine Learning-Based Evaluation of Solar Photovoltaic Panel Exergy and Efficiency Under Real Climate Conditions
Published 2025-03-01“…Environmental factors have a considerable impact on panel performance; temperature has a negative impact on efficiency, whereas an increase in solar radiation leads to an increase in energy and exergy output. …”
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Highly solvent-stable polyimide ultrafine fibrous membranes fabricated by a novel ultraviolet-assisted electrospinning technique via organo-soluble intrinsically negative photosens...
Published 2021-01-01“…The effects of the fabrication method on the physical and chemical properties of the electrospun UFMs were investigated systematically. High-efficiency photoinduced crosslinking reactions under ultraviolet (UV) radiation provided the PI-UV UFMs with considerable thermal dimensional stability with the 5% weight loss temperature over 440 °C. …”
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91
Numerical Analysis of Novel Back Surface Field for High Efficiency Ultrathin CdTe Solar Cells
Published 2013-01-01“…The proposed structure with As2Te3 BSF showed the highest conversion efficiency of 20.8% ( V, mA/cm2, and ). Moreover, the proposed structures have shown improved stability in most extents, as it was found that the cells have relatively lower negative temperature coefficient. …”
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92
Carob–Thyme Intercropping Systems Can Improve Yield Efficiency and Environmental Footprint Compared to Conservation Tillage
Published 2025-06-01“…Carob yield efficiency (kg/m<sup>3</sup>) in SKR, was >27% higher for the T-System (<i>p</i> < 0.05; SES cover ca. 85%; year-3), matching a higher leaf water content (<i>p</i> < 0.001) compared to TLG<sub>dry</sub>. …”
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93
Appropriate adding time of concentrated monosodium glutamate wastewater as acidity adjusting and nitrogen loss control agent in high temperature composting
Published 2016-07-01“…Nevertheless, the adding time of CMGW had no negative effect on the indexes of composting process, such as the temperature and moisture content in composting and the seed germination index of compost products.In conclusion, the acidity adjustment efficiency and the nitrogen content of compost mixture are significantly affected by the adding time of CMGW in composting. …”
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94
Prediction of the need for maintenance of rigid pavements using finite element models and artificial neural networks
Published 2024-12-01“…The networks showed 4.5% and 3.6% square errors for positive and negative temperature gradients and 95% and 97% data correlation, respectively. …”
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95
Monitoring the dynamics of land use and land cover, and their impact on seasonal land surface temperature in the Upper Awash Basin, Central Ethiopia
Published 2025-04-01“…Monitoring these changes is crucial for managing the environment efficiently. This study examines the effects of LU/LC changes on seasonal land surface temperature (LST) in the Upper Awash Basin (UAB), central Ethiopia, using Landsat 5 TM, Landsat ETM+, and Landsat 8 OLI/TIRS data from 1991, 2006, and 2021. …”
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96
Mechanism of exogenous methyl jasmonate mediated AsA-GSH cycle in Summer Black grape against low temperature stress
Published 2025-08-01“…MeJA could alleviate the inhibition of grape photosynthesis under low temperature stress. The chlorophyll a and chlorophyll b were positively correlated with net photosynthetic rate and stomatal conductance, and negatively correlated with carbon dioxide concentration and transpiration rate. (2) The exogenous MeJA treatment could significantly improve the content of AsA and GSH and the activities of DHAR, MDHAR and GR enzymes in the Summer Black grape under low temperature stress, and enhance the efficiency of AsA-GSH cycle. …”
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97
Revealing the Hidden Benefits of Dust for Photovoltaic Performance in Hot Climates
Published 2024-06-01“…This creates a dual effect where the negative impact of temperature is partially offset by dust because dust mitigates the ambient temperature, resulting in a relatively smaller decrease in PV output. …”
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98
Understanding the Wood Pocket Physiopathy in Persian Lime Through Its Physiological Characterization
Published 2025-03-01“…Specially, we observe that stomatal fluxes were negative in WP leaves. Our results suggest that WP in Persian lime plants might be a physiological affectation caused by the prolonged exposure to high temperatures. …”
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99
Cation-inspired polyhedral distortion boosting moisture/electrolyte stability of iron sulfate cathode for durable high-temperature sodium-ion storage
Published 2025-03-01“…The as-prepared cathode exhibits a high discharge capacity of 102.2 mAh g−1 (voltage platform at 3.74 V), remarkable reaction reversibility (average Coulomb efficiency of 99.3 % over 300 cycles) at high loading (9.0−9.6 mg cm−2) and temperature (60 °C), as well as long-lasting cyclability (70.8 %, 5000 cycles). …”
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100
Optimized Oxidation Temperature Enhances OER Performance of IrO₂‐Loaded SnO₂ Nanofibers – Role of Charge Carrier Percolation Pathways
Published 2025-07-01“…Transmission electron microscopy (TEM) indicates that higher oxidation temperatures result in fragmentation of conduction pathways, negatively affecting catalyst performance. …”
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