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Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers
منشور في 2022"…Here, 48 V is doubled to 400 V. By modifying the converter's parameters, its behavior is evaluated. …"
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Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha
منشور في 2020"…Furthermore %LULC of built up, vegetation, barren land, marsh land and water body were 29%, 4.5%, 58.6%, 2.8% and 5% in 2000 and 56.5 %, 8.2%, 33.2 %, 0% and 2.1% in 2019 respectively. …"
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Biocorrosion behavior of biodegradable nanocomposite fibers coated layer-by-layer on AM50 magnesium implant
منشور في 2016"…The corrosion performance of coated and uncoated coupon samples was investigated by means of electrochemical measurements. The results showed that the AJS 3D membrane fiber layers, particularly the hybrid membrane layers containing a small amount of nHA (3wt.%), induce a higher biocorrosion resistance and effectively decrease the initial degradation rate compared with the neat AM50 coupon samples. …"
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Evidence by ac-conductivity for the higher mobility of boron (over aluminium)-associated Brønsted sites in boron-modified HZSM-5
منشور في 1996"…Therefore, for this particular sample the electric data have been discussed in greater detail. Ruling out the perturbing role of dc-conduction, by analysis at both high frequencies and low temperatures where the dc-conduction is minimum, reveals conductivity increasing in the order: B1ZSM-5<B2ZSM-5<B3ZSM-5<B4ZSM-5 and activation energy decreasing in the order: B1ZSM-5>B2ZSM-5>B3ZSM-5>B4ZSM-5. …"
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The Impact of Pamam Dendrimers on Her2-Positive Breast Cancer and the Early Stages of Embryogenesis
منشور في 2020"…PAMAMs exhibited significant anti-cancer effects that were more pronounced with cationic (-NH2) dendrimers, compared to neutral (-OH) or anionic (-COOH) and were greater in cationic G6 compared to cationic G4. Cationic G6 PAMAMs significantly decreased the viability of HER2-positive breast cancer cell lines down to 5.1% in SK-BR3 and to 5.7% in ZR-75 cells (p<0.001), in a dose and time-dependent fashion. …"
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Investigation of Spatiotemporal Variability of Microplastics in Qatar's Cstal Environment
منشور في 2016"…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …"
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Comparison of performance and health indicators between perimenopausal and postmenopausal obese women: the effect of high-intensity interval training (HIIT).
منشور في 2020"…Anthropometric parameters, mechanical efficiency (ME in %), lipid oxidation (LO in %), and low and high spectral frequencies (LF[ms2] and HF[ms2]) were computed pre- and postintervention. …"
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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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Seasonal weather conditions affect training program efficiency and physical performance among special forces trainees: A long-term follow-up study
منشور في 2018"…These training-cycles induced a significant increase (p<0.05) in the 70-seconds push-ups, pull-ups and sit-ups and a decrease (p<0.01) in the 5-km cross-country running time among all trainees. …"
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Superior photocatalytic activity of Cu doped NiWO4 for efficient degradation of benzene in air even under visible radiation
منشور في 2019"…The maximum benzene removal efficiency and its mineralization via visible light photocatalysis of the 3Cu-NiWO4 were 93.7 and 96.5%, respectively. The synthesized Cu-NiWO4 photocatalyst also presented great stability in benzene removal processes. - 2019 Elsevier B.V.…"
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Contrasting effects of necrotrophic and biotrophic plant pathogens on the aphid Aphis fabae
منشور في 2013"…However, sequential plant infection (pathogens applied 5 days apart) led to a 70% decrease in fecundity and 50% reduction in intrinsic rate of increase. …"
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Evaluation of the Effect of Moringa peregrina Extract on Learning and Memory: Role of Oxidative Stress
منشور في 2017"…Male Wistar rats were administered via oral gavage three dose levels (50, 100, and 500 mg/kg) of M. peregrina methanolic extract for 2 months. …"
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Negative emotional symptoms during COVID19 confinement: The relationship with reading habits
منشور في 2022"…About 60.0%, 55.1%, 60.5% and 61.0% reported participating in scientific, religious, general, and novel reading, respectively. …"
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Preemptive Dose Adjustment Effect on the Quality of Anticoagulation Management in Warfarin Patients With Drug Interactions: A Retrospective Cohort Study
منشور في 2019"…Over a 4-year period, 340 patients were evaluated, and 58 warfarin drug interaction encounters were identified. Mean age of the patients was (57.7 n 13.7), and 50% of them were females. …"
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On the application of arabian gulf water in irrigation: A future possibility
منشور في 1987"…Magnesium is the predominant bivalent cation and its concentration is 5.2 times greater than that of calcium. Therefore, restriction on soil water management should be considered when applying sea water for irrigation. …"
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