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ms decrease » _ decrease (توسيع البحث)
10 decrease » _ decrease (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
a stem » _ stem (توسيع البحث), a step (توسيع البحث), a system (توسيع البحث)
20 10 » 10 10 (توسيع البحث), 20 1 (توسيع البحث), 25 10 (توسيع البحث)
ms decrease » _ decrease (توسيع البحث)
10 decrease » _ decrease (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
a stem » _ stem (توسيع البحث), a step (توسيع البحث), a system (توسيع البحث)
20 10 » 10 10 (توسيع البحث), 20 1 (توسيع البحث), 25 10 (توسيع البحث)
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Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon
منشور في 2017"…Adsorption/desorption isotherms of CO2, CH4, and N2 gases onto RF-ACX adsorbent were measured gravimetrically by a magnetic suspension microbalance at five different temperatures (20, 30, 40, 50 and 60 °C) in the pressure range of 0–1 MPa. …"
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424
Effect of surfactant and electron treatment on the electrical and thermal conductivity as well as thermal and mechanical properties of ehylene vinyl acetate/expanded graphite compo...
منشور في 2015"…The thermal conductivity linearly increased with EG content, and this increase was more pronounced in the case of SDS-EG, but decreased after EB irradiation. The thermal properties were little influenced by EB irradiation, while better polymer–filler interaction and better filler dispersion as a result of SDS treatment, and the EB irradiation initiated formation of a cross-linked network, had a positive effect on the tensile properties.…"
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425
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426
Effect Of Sand Blasting On Soda Lime Glass Properties
منشور في 2003"…The average strength remains almost constant while the dispersion becomes much reduced for the glass sand blasted during 60 minutes (m = 10.4 and smoy = 64 MPa). The variation of the relative efficiency of glass protected solar panels versus sand blasting duration (seen up to 300 min) shows a slow regular decrease until 0.91 for a 90° impact angle and until 0.95 for 30°. …"
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427
Long-term performance analysis and power prediction of PV technology in the State of Qatar
منشور في 2017"…Results show that due to panel dusting for eight months, the PV output power decreased by 50%. Also, owing to lower ambient temperatures, clearer sky and cleaner panels due to occasional rainfall, the PV panels show higher output power in Winter than in Summer season. …"
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428
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429
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High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling
منشور في 2014"…The main problem with steel, isthat itexhibits a relatively low hardness (below 10 GPa) which strongly decreases upon annealing above about 600 K.Thus, the majority of modern tools are nowadays coated with hard coatings that increase the hardness, decrease the coefficient of friction and protect the tools against oxidation. …"
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431
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432
Sensitization to common food and inhalant allergens in children attending Allergy and Asthma Pediatric Clinic in Doha, Qatar
منشور في 2009"…The prevalence of sensitization to FA decreased as age increases (35% at 0-2 years vs. 32.5% at the age 6-10 years). …"
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433
Binary Si–Ge Alloys as High-Capacity Anodes for Li-Ion Batteries
منشور في 2020"…The specific charge capacity retention decreases from 97.7%, 94.5%, 88.7%, and 81.2% after 20, 30, 40, and 50 cycles, respectively. …"
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434
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435
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436
Propagation rate coefficient for sulfobetaine monomers by PLP-SEC
منشور في 2016"…The kp values are determined in aqueous solutions for monomer concentrations between 5 and 50 wt % and temperatures between 15 and 80 °C. The propagation rate for SBE is by about a factor of two higher than that for SBAm. …"
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437
NUMERICAL INVESTIGATION OF THE POTENTIAL OF USING HYDROGEN AS AN ALTERNATIVE FUEL FOR AN INDUSTRIAL BURNER
منشور في 2024"…The second study shows that reducing the total MFR of the fuel by 20% has the closest temperature profile to that of pure methane. …"
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438
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439
The Influence of Qatari Dust on the Element Composition of Marine Plankton
منشور في 2021"…The excess concentrations relative to average dust from Qatar for most elements (except Cd) decreased with distance from shore. This may be due to contamination or uncertainties with the lithogenic correction or due to our sampling locations in a marginal sea, dominated by dust input. …"
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440