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681
Wind energy potential along the onshore and offshore Qatar
Published 2020“…cant increase or decrease of wind power around Qatar in the last 40 years in most of the locations, while there is a slight decreasing trend in the o?…”
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682
Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters
Published 2024“…The dominant algae genus was identified using a light microscope, and ultrasound waves with a low frequency of 40 kHz and a power density of 0.024 W/cm³ were applied at different time intervals (0 – 80 minutes) at time intervals of 5 minutes. …”
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683
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684
Experimental study on effective placement of PCM packets in cooling vest to improve performance in warm environment
Published 2017“…The used PCM melting temperature is 28 °C with a coverage area of 642 cm2 and total weight of the vest of 1.19 kg including 8 PCM packets (87.5 grams each). …”
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685
Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation
Published 2017“…Chlorine dioxide levels decrease as the free chlorine residual levels increased. …”
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686
Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
Published 2016“…Box-Behnken experimental design was used instead of the full factorial to decrease the number of treatments to a manageable level (126 treatments) with three replications at the center. …”
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687
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688
Concrete Pavement Truck Equivalence Factors For Upgrades
Published 1999“…Three values for terminal levels of serviceability of 2, 2.5 and 3 were considered. The paper reveals that the upgrade truck equivalence factors increase as the upgrade slopes as well as slabs thickness increase. …”
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689
Performance Of A Cool Thermal Store Filled With Balls Containing Water
Published 2001“…The rectangular 1.65 m3 CTS enclosed 1080 plastic balls, with each having a diameter of 11 cm and Vi full of water. All balls were immersed totally in a 40% ethylene glycol solution. …”
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690
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691
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692
Effects of Combined Calcium Hypochlorite and Chlorine Dioxide on Drinking Water Quality in Qatar and Disinfection by Products Formation
Published 2016“…Chlorine dioxide levels decrease as the free chlorine residual levels increased. …”
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693
Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar
Published 2018“…Highest number of patients with a comorbidity of Diabetes (12.85%), followed by Hypertension (10.54%). …”
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694
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695
Epidemiology of herpes simplex virus type 2 in Europe: systematic review, meta-analyses, and meta-regressions
Published 2023“…HSV-2 detection in genital herpes cases was 1.21-fold (95% CI: 1.10–1.32) higher in men compared to women and decreased by 1% per calendar year. …”
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696
Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
Published 2016“…For each sampling, sediments from the top 2 cm were collected at the most recent high tidal mark on shore from a square area (0.5 0.5 m) along the shore line. …”
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697
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698
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699
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700
Fluctuations in cardiac stroke volume during rowing
Published 2021“…Eight nationally competitive oarsmen (mean ± standard deviation: age 21 ± 2 years, height 190 ± 9 cm, and weight 90 ± 10 kg) rowed on an ergometer at a targeted heart rate of 130 and 160 beats per minute. …”
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