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321
Why do some countries produce more capital intensive output than others?
منشور في 2016"…The relationship remains positive and statistically significant even after controlling for the value of human capital, the value of the capital stock, primary school and secondary school enrolment, a measure of financial development, the number of employees, the average wage per employee, and whether a country is an oil producer. …"
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322
Hypoxic Stress Induces Complement-Mediated Lysis of Mesenchymal Stem Cells by Downregulating Factor H and CD59
منشور في 2024"…Severe hypoxia found to decrease the survival chances of MSCs after transplantation; however, little is known about the impact of severe hypoxia on modulating the complement system activity and its effect on MSCs survival. …"
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323
A customised fetal growth and birthweight standard for Qatar: a population-based cohort study
منشور في 2024"…The main pathological factors were preexisting diabetes (increase by +175.7 g) and smoking (decrease by −190.9 g). The SGA and LGA rates in the entire cohort after applying the population-specific customized centiles were 11.1 and 12.2 %, respectively (contrasting with the Hadlock standard: SGA-26.3 % and LGA-1.8 %, and Fenton standard: SGA-12.9 % and LGA-4.0 %).…"
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324
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325
Seismic strengthening of Reinforced Concrete Structures using External Lateral Post Tensioning
منشور في 2021"….; to concrete buildings, structural steel buildings and wood structures. It’s a unique method of strengthening in which the strength of an existing structure is increased for its stability and also reduces the deflection in an existing structure which have been through an earthquake damage.…"
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326
Effect of the location of broken wire wraps on the failure pressure of prestressed concrete cylinder pipes
منشور في 2015"…A sensitivity analysis was performed to evaluate the cracking of the concrete core and the yielding of the prestressing wires and steel cylinder with increasing internal pressure and with an increasing number of broken wire wraps. …"
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327
Portfolio Selection Problem Using CVaR Risk Measures Equipped with DEA, PSO, and ICA Algorithms
منشور في 2022"…It was found that when solving the Mean-CVaR model with evolutionary algorithms, the risk decreased. …"
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328
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329
Impact of severe hypoglycemia on the heat shock and related protein response
منشور في 2021"…This prospective, case–control study enrolled 23 T2D patients and 23 control subjects who underwent hyperinsulinemic-induced hypoglycemia (≤ 2.0 mmol/L (36 mg/dl)) with blood sampling at baseline, at hypoglycemia and after a 24-h post-hypoglycemia follow-up period. …"
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330
Online Monitoring of Outdoor Non-Ceramic Insulators
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doctoralThesis -
331
Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study
منشور في 2022"…Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …"
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332
Impact of staying at home measures during COVID-19 pandemic on the lifestyle of Qatar’s population: Perceived changes in diet, physical activity, and body weight
منشور في 2021"…Participants reported increased sitting/reclining time (1.94 h/day mean increase), screen times (2.05 h/day mean increase) with p < 0.001, and decreased exercise time (0.11 h/day mean reduction) with p < 0.001. …"
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333
Plasma volume variations in response to high intensity interval training in obese women: The influential role of menopausal status and age
منشور في 2025"…Following HIIT, only menopause status accounted for 19 % of the variation in PV decreases after warm-up and 21 % of the variation in PV decreases after SCT. …"
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334
The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes
منشور في 2021"…After PSD, POMS score decreased after CAF (<i>p</i> < 0.001; d = 2.38; Δ% = 66.97) and CAF+N20 (<i>p</i> < 0.001; <i>d</i> = 1.68; Δ% = 46.68). …"
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335
Transfer function analysis between arterial pressure and renal sympathetic nerve activity at cardiac pacing frequencies in the rat
منشور في 2007"…Cardiac pacing slightly increased mean AP (0.8 ± 0.2 mmHg/Hz) and decreased pulse pressure (−3.6 ± 0.3 mmHg/Hz) while leaving the mean level of RSNA essentially unaltered (P = 0.680, repeated-measures ANOVA). …"
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336
Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs
منشور في 2023"…Cement integrity must be ensured throughout a well's life cycle as well as after abandonment. If the cement was to lose its integrity, the consequences for the personnel, the equipment, and the environment could be severe. …"
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337
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
منشور في 2024"…This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless steel (SS), glass fiber reinforced polymers (GFRP), and basalt fiber reinforced polymers (BFRP) bars. …"
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338
Waste materials utilization in 3D printable concrete for sustainable construction applications: a review
منشور في 2024"…<p dir="ltr">Three dimensionally printed concrete (3DPC) is an interesting topic that has attracted increasing attention during the last few years. This paper offers a comprehensive review of the utilization of waste materials in 3DPC. …"
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339
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
منشور في 2024"…<p>This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless steel (SS), glass fiber reinforced polymers (GFRP), and basalt fiber reinforced polymers (BFRP) bars. …"
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340
Application of an empirical transport model to simulate retention of nanocrystalline titanium dioxide in sand columns
منشور في 2008"…Most of the nanoparticles remained in the sand columns, with an increasing then decreasing retained solids pattern. Application of a one-dimensional advection–dispersion flow model, that included two empirical kinetic terms to account for particle retention in the porous media, produced data fits that followed the general trend of the data, but did not truly capture the concentration maxima in the data sets. …"
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article