بدائل البحث:
nn decrease » _ decrease (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
5 c » 45 c (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
5 c » 45 c (توسيع البحث)
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The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments
منشور في 2004"…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …"
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Floating capital pattern and biomass slope allocation method in the life history of calotropis procera (AIT.) AIT. F.
منشور في 1992"…There were differences in the direction of change in the root/shoot ratio: increase, decrease and no change. The mean root/shoot ratio was 0.21:1 during the juvenile phase, rising to 0.68:1 and stabilized at 0.5:1 prior to and following the reproductive phase. …"
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Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution
منشور في 2023"…Nevertheless, the AGGPAM-inhibited solution exhibited a corrosion rate of 26.7 mils per year at 50 °C, which is still lower than that of blank at 25 °C. …"
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Impact of the COVID-19 pandemic on sexually transmitted infection testing and diagnosis in Lebanon: A retrospective chart review
منشور في 2024"…Post-COVID-19 onset, 1.7 % of patients tested positive for any STI compared with 1.1 % pre-COVID-19 onset (OR: 1.5, 95%CI: 0.8–2.7). Close to 90 % of all positive diagnoses were among MSM. …"
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Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends
منشور في 2021"…Through performance tests, it was found that 15 ml of n-pentane per liter was the best addition as it caused an increase in the brake thermal efficiency of 7.1% and a decrease in brake specific fuel consumption of 6.4% compared to the elegant B50. …"
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Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model
منشور في 2016"…From the economic perspective, this means that initially economic growth increases environment degradation and then declines it after a threshold point of income per capita. …"
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Epidemiology of herpes simplex virus type 2 in sub-Saharan Africa: Systematic review, meta-analyses, and meta-regressions
منشور في 2021"…Compared to women, men had a lower seroprevalence with an adjusted risk ratio (ARR) of 0.61 (95% CI: 0.56–0.67). Seroprevalence has decreased in recent decades with an ARR of 0.98 (95% CI: 0.97–0.99) per year. …"
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Effect of outdoor temperature on the power-conversion efficiency of newly synthesized organic photosensitizer based dye-sensitized solar cells
منشور في 2018"…The results indicate that DSSC shows power conversion efficiency of 2.58% at 25 °C under air mass (AM) 1.5 G illumination at 100 mW/cm2. …"
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Perinatal outcomes following Helping Babies Breathe training and regular peer-peer skills practice among village midwives in Sudan.
منشور في 2017"…Excluding 11 macerated fetuses, there were 55 perinatal deaths: 14 FSB/18 ENND (6 months pre-HBBT(+RPPSP)) and 10 FSB/13 ENND (18 months post-HBBT(+RPPSP)). FSB rates decreased from 10.5 to 3.3 per 1000 births ((χ(2))=8.6209, p=0.003), while ENND rates decreased from 13.5 to 4.3 per 1000 live births ((χ(2))=10.9369, p=0.001) pre-HBBT(+RPPSP) and post-HBBT(+RPPSP), respectively. …"
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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. …"
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Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
منشور في 2023"…Incidence rate for severe, critical or fatal COVID-19 throughout the pandemic was 1.43 (95% CI 1.35 to 1.50) per 1000 person years. In the pre-omicron phase, first omicron wave, and combined phases, it was 2.01 (95% CI 1.90 to 2.13), 3.70 (95% CI 3.25 to 4.22) and 2.18 (95% CI 2.07 to 2.30) per 1000 person years, respectively. …"
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Effects of soaking, acidity and temperature on cadmium and lead removal from rice
منشور في 2020"…Different rice treatments were involved i.e. three soaking times (0, 15, and 30 min), three temperatures (20, 25, and 30 �C) and four concentrations of glacial acetic acid (0.5%, 1%, 2%, and 3%). …"
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Synthesizing New Anodes From Qatalum's 1st Cut Spl
منشور في 2014"…This might result in extending the life time of the carbon anodes and decrease the number of carbon dioxide kilograms that are released per a ton of produced Al metal. …"
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