بدائل البحث:
5 nn » k nn (توسيع البحث), _ nn (توسيع البحث)
decrease » decreased (توسيع البحث), increase (توسيع البحث)
5 nn » k nn (توسيع البحث), _ nn (توسيع البحث)
decrease » decreased (توسيع البحث), increase (توسيع البحث)
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181
Influence of co-current vapor flow on falling film over horizontal tube
منشور في 2021"…This study focuses on analyzing the effects of co-current vapor flow on falling film distribution and hydrodynamics. A two-dimensional (2D) computational fluid dynamics model is developed and validated, in which sea water enters at 65 °C, which represents the maximum limit of current MED plant, and falls on a tube of 25.4 mm diameter from a 2 mm orifice. …"
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182
Comparative study of the parameters affecting the performance of microchannels' heat exchangers: Latest advances review
منشور في 2023"…<p dir="ltr">Microchannel heat exchangers are heat exchangers with a tube diameter of less than 1 mm. Conventional cooling approaches such as the forced‐air cooling technique fail in high technological compact systems because of the small‐sized surfaces of chips and circuits. …"
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183
Activation of the unfolded protein response in high glucose treated endothelial cells is mediated by methylglyoxal
منشور في 2019"…Human aortal endothelial cells (HAECs) were incubated in high glucose concentration (20 mM versus 5 mM control) in vitro for 3–6 days. Flux of glucose metabolism, MG formation and glycation and changes in cytosolic protein abundances, MG modification and proteotoxic responses were assessed. …"
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184
Functionalization of reverse osmosis membrane with graphene oxide to reduce both membrane scaling and biofouling
منشور في 2020"…After functionalization, the membrane surface properties were improved as the water contact angle was reduced from 41.7 ± 4.5⁰ to 26.9 ± 0.9⁰ demonstrating improvement in hydrophilic properties besides decreasing membrane surface roughness. …"
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185
Characterization of Non-hormone Expressing Endocrine Cells in Fetal and Infant Human Pancreas
منشور في 2019"…While the majority of CPHN cells express (in overall compartments of pancreas) the pan-endocrine transcription factor NKX2.2 and beta-cell specific NKX6.1 in comparable frequency in fetal and infant/child cases (81.9 ± 6.3 vs. 82.8 ± 3.8% NKX6.1+-CPHN cells of total CPHN cells, fetal vs. infant/child, p = 0.9; 88.0 ± 4.7 vs. 82.1 ± 5.3% NKX2.2+-CPHN cells of total CPHN cells, fetal vs. infant/child, p = 0.4), the frequency of clustered CPHN cells expressing NKX6.1 or NKX2.2 is lower in infant/child vs. fetal cases (1.2 ± 0.3 vs. 16.7 ± 4.7 clustered NKX6.1+-CPHN cells/mm2, infant/child vs. fetal, p < 0.01; 2.7 ± 1.0 vs. 16.0 ± 4.0 clustered NKX2.2+-CPHN cells/mm2, infant/child vs. fetal, p < 0.01).…"
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186
Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization
منشور في 2021"…Among 43 investigated refrigerants, R1234ze(E) has higher efficiency, lower Pumping Work Ratio (PWR), and requires a smaller size of the heat exchangers. Using the genetic algorithm optimization method with R1234ze(E) as working fluid in both power and cooling loops, a maximum power loop efficiency of 6.3% and COP of 5.3 were obtained at a high pressure of 29 bar (in the power loop) with minimal expander diameter of 64, compressor diameter of 171 mm, and 18 expander-compressor units.…"
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187
Simulation of microscale particle interactions for optimization of an electrodynamic dust shield to clean desert dust from solar panels
منشور في 2017"…Results showed that under given conditions, the optimal distance between electrodes (pitch) was 14mm, which resulted from a balance between increasing pitch that aided dust transport and concomitant decreasing electric field strength that hindered transport. …"
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188
Response of cauliflower (<i>Brassica oleracea</i> L.) to nitric oxide application under cadmium stress
منشور في 2022"…The present study was conducted using four different genotypes of B. oleracea named as FD-3, FD-4, FD-2 and Ceilo Blanco which were subjected to the Cd stress at various concentrations i.e., 0, 5, 10 and 20 µM with or without the application of NO i.e., 0.10 mM in the sand containing nutrient Hoagland’s solution. …"
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189
Part II.: Dissimilar friction stir welding of nickel titanium shape memory alloy to stainless steel – microstructure, mechanical and corrosion behavior
منشور في 2021"…<p dir="ltr">In the present work, nickel-titanium (NiTi) shape memory alloys (SMAs) is joined to 304 stainless steel (SS) using friction stir welding (FSW) using process parameters of 400 rpm and a constant tool translation speed of 75 mm/min. …"
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190
Resveratrol-Elicited PKC Inhibition Counteracts NOX-Mediated Endothelial to Mesenchymal Transition in Human Retinal Endothelial Cells Exposed to High Glucose
منشور في 2021"…Primary Human Retinal Endothelial Cells (HRECs) were either pre-treated for 24 h with 1 µM resveratrol or left untreated, then glucose (30 mM) was applied at 3-day intervals for 10 days. qRT-PCR and ELISA were used to detect mRNA or protein expression of endothelial markers (CD31, CDH5, vWF) or mesenchymal markers (VIM, αSMA and collagen I), respectively. …"
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191
Effect of Hypoxia on Maximal Fat Oxidation Rate During Incremental Cycling : Relationship to the Gas Exchange Threshold
منشور في 2024"…</p><h3>Methods</h3><p dir="ltr">Seventeen recreationally active adults (5 females/12 males; age: 36.2 ± 7.4 year; body mass: 76.6 ± 13.1 kg) performed a ramp and a step incremental test, in NORM (The fraction of inspired oxygen; FiO<sub>2</sub> ≈ 21%) and HYPO (FiO<sub>2</sub> ≈ 13.5%), on separate days. …"
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192
Exploring urban growth–climate change–flood risk nexus in fast growing cities
منشور في 2022"…Surveying showed that, between 1984 and 2020, urban areas grew by 777%, and bare lands decreased by 54.7%. In addition, Doha witnessed various climatic changes with a notable increase in air temperature (+ 8.7%), a decrease in surface wind speed (− 19.5%), and a decrease in potential evapotranspiration losses (− 33.5%). …"
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193
Central and peripheral muscle fatigue following repeated‐sprint running in moderate and severe hypoxia
منشور في 2020"…No significant differences between conditions for mean distance occurred in set 2. There was a decrease in maximal voluntary contraction torque (Δ = −31.4 ± 18.0 N m, <i>P</i> < 0.001) and voluntary activation (%VA; Δ = −7.1 ± 5.1%, <i>P</i> = 0.001) from Pre- to Post-set 1, but there was no effect of hypoxia. …"
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194
Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions
منشور في 2023"…The test results revealed a 9.2% and 3.5% decrease in daily costs compared to the heuristic and stochastic methods, respectively, and a 29.4% decrease in carbon emission costs.…"
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195
Performance comparison of different flow arrangements of 4-fluid internally-cooled liquid desiccant dehumidifiers
منشور في 2022"…The approximate difference between the best and poorest performing flow arrangements in terms of the decrease in supply air humidity ratio and enthalpy is 4.3% and 10.5%, respectively. …"
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196
Postprandial lipaemia 10 and 34 hours after playing football: Does playing frequency affect the response?
منشور في 2019"…For the 3FOOT, there was a non significant decrease in postprandial TG AUC (-2.7%; p = 0.73; 95%CI = -2.0 to 1.5; ES = 0.05) and iAUC (-17.5%; p = 0.41; 95%ci = -2.5 to 1.1; ES = 0.31) from 10 to 34 hrs, respectively. …"
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197
Effects of ethanol addition to diesel–biodiesel blends on the CI engine characteristics
منشور في 2024"…However, adding ethanol helps mitigate this increase, especially at low and medium speeds, with an average decrease of 32% for a 2.5% ethanol blend compared to B0. …"
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198
Corrosion Evaluation of 316L Stainless Steel Exposed to CNT-Water Nanofluid
منشور في 2019"…Adsorption isotherm for CNTs adsorption on the surface of the metal and some thermodynamic properties of adsorption were found to help in proposing a mechanism for CNTs corrosion inhibition. It was observed that the SS tested in CNTs nanofluids presented low corrosion rates, which were comparable to those for tap water and lower than those for 3.5 wt.% NaCl solutions. …"
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199
Thermally Conductive Polyethylene/Expanded Graphite Composites as Heat Transfer Surface: Mechanical, Thermo-Physical and Surface Behavior
منشور في 2020"…This enhanced surface wettability was retained over a long time with only a 9% and 18% decrease in RF and corona plasma-treated samples’ surface energy after two months. …"
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200
Enhancing the production of biogas through anaerobic co-digestion of agricultural waste and chemical pre-treatments
منشور في 2020"…The results revealed that the highest cumulative methane production (CMP) of 297.99 NL/kgVS can be generated by co-digestion of ASWs and CD at a ratio of 60:40. Further improvement was achieved via alkalinity treatment with 1.0 g of NaHCO<sub>3</sub>/gVS leading to decrease in lignin, cellulose, and hemicellulose contents of feedstock by 3.5%, 10.5% and 15.9%, respectively, converting them to soluble fractions and improving the CMP by 11.2–29.7% based on substrate quality. …"