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861
Evaluation of The Factors Affecting Microplastics and Nanoparticles in Plastic Water Supply Pipes
منشور في 2020احصل على النص الكامل
doctoralThesis -
862
Dynamic Analysis of Flexible Mechanisms with Clearance
منشور في 2016احصل على النص الكامل
doctoralThesis -
863
Risk factors for stoma outlet obstruction: systematic review and meta-analysis
منشور في 2025"…<h3 dir="ltr">Introduction</h3><p dir="ltr">Stoma outlet obstruction (SOO) is a serious postoperative complication that can lead to significant morbidity, including prolonged hospitalization, increased healthcare costs, and reduced quality of life. …"
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864
Association between clinical laboratory indicators and WOMAC scores in Qatar Biobank participants: The impact of testosterone and fibrinogen on pain, stiffness, and functional limi...
منشور في 2025"…This study explored the relationship between clinical laboratory profiles and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores for pain, stiffness, and physical functional limitation in healthy individuals in Qatar.…"
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865
Wild carrot pentane-based fractions suppress proliferation of human HaCaT keratinocytes and protect against chemically-induced skin cancer
منشور في 2017"…Methods Wild carrot oil extract was chromatographed to yield four fractions (F1, 100% pentane; F2, 50:50 pentane:diethyl ether; F3, 100% diethyl ether; F4 93:7 chloroform:methanol). …"
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article -
866
Effectiveness of Positron Emission Tomography for Predicting Chemotherapy Response in Colorectal Cancer Liver Metastases
منشور في 2010"…For example, a few years ago an extrahepatic metastasis effectively eliminated surgical resection, but a combination of chemotherapeutic options and surgical techniques has expanded the indications for resection and increased the population of patients who may benefit.1,2 Neoadjuvant chemotherapy has increased the resectability rate by 11% to 37%.1 Unfortunately, greater than 80% of patients undergoing hepatic resection will have recurrences, mostly within the first 2 years.2 Nonetheless, the only hope for cure is resection, and prior surgical dogma based on the number of lesions, size of the tumor-free resection margin, and presence of resectable extrahepatic disease must be questioned.3- 5 The current standard approach to surgical planning is contrast-enhanced computed tomography (CT) or magnetic resonance imaging (MRI) for specific tumor characteristics or contraindications to CT.6 Several series showed that focal extrahepatic disease, an isolated pulmonary lesion, can be safely resected, with 5-year survival rates of 29% to 58%.7,8 In 1 series,7 17 of 30 patients required 3 or more resections. …"
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article -
867
Assessment of resin systems as solution for well integrity challenge in carbonate reservoirs
منشور في 2023"…Additionally, the transit time showed a 26–42% range decrease in the travel period, indicating that the cement was stronger under increased pressure and temperature. …"
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868
Clotted blood samples in the neonatal intensive care unit: A retrospective, observational study to evaluate interventions to reduce blood sample clotting
منشور في 2023"…When blood samples clot before analysis, they are rejected, which delays treatment decisions and necessitates repeated sampling.</p><h3>Aims</h3><p dir="ltr">To decrease the incidence of rejected blood samples taken for laboratory investigation as a result of clotted sample.…"
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869
Predictors of mortality and morbidity in critically ill COVID‐19 patients: An experience from a low mortality country
منشور في 2022"…Factors independently associated with mortality included older age ([OR]; 2.3 [95% CI; 1.92–2.75] for each 10-year increase in age, <i>p</i> < 0.001), chronic kidney disease (OR; 1.9 [95% CI; 1.02–3.54], <i>p</i> = 0.04), active malignancy (OR; 6.15 [95% CI; 1.79–21.12], <i>p</i> = 0.004), lower platelet count at ICU admission (OR; 1.41 [95% CI; 1.13–1.75] for each 100 × 103/µl decrease, <i>p</i> = 0.002), higher neutrophil-to-lymphocyte ratio at admission (OR; 1.01 [95% CI; 1–1.02] for each 1- point increase, <i>p</i> = 0.016), higher serum ferritin level at admission (OR; 1.05 [(95% CI; 1.02–1.08] for each 500 µg/L increase, <i>p</i> = 0.002), and higher serum bilirubin level at admission (OR; 1.19 [95% CI; 1.04–1.36] for each 10 μmol/L increase, <i>p</i> = 0.01). …"
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870
Soluble ACE2 and angiotensin II levels are modulated in hypertensive COVID-19 patients treated with different antihypertension drugs
منشور في 2022"…The length of hospital stay is correlated with ACE2 levels (<i>r </i>= 0.3, <i>p </i>= 0.003). Angiotensin II levels decreased with severity (<i>p</i> = 0.04). …"
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871
Deletion of <i>RFX6</i> impairs iPSC-derived islet organoid development and survival, with no impact on PDX1<sup>+</sup>/NKX6.1<sup>+</sup> progenitors
منشور في 2024"…<h3>Aims/hypothesis</h3><p dir="ltr">Homozygous mutations in <i>RFX6</i> lead to neonatal diabetes accompanied by a hypoplastic pancreas, whereas heterozygous mutations cause MODY. …"
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872
Prehospital plasma transfusion versus standard of care following traumatic injury: a review of the systematic reviews and a meta-analysis
منشور في 2025"…<h3 dir="ltr">Background</h3><p dir="ltr">Individual studies suggest that administering prehospital blood products such as plasma to injured patients is feasible, may lower mortality, and improve coagulation. …"
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873
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874
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
منشور في 2022"…The slope suggests that removal of C as CaCO3, organic matter (CH2O) or gas exchange (FCO2) is occurring with a ratio of ΔCaCO3/(ΔCH2O or FCO2) = 1:2.86. …"
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article -
875
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876
Finite-element solution of monopolar corona on bundle conductors
منشور في 1999"…A finite-element iterative-based method is developed to analyze the monopolar ionized field and, hence, compute the associated corona power loss on bundle conductors (bundles two, three, and four are considered). The effect of the number of bundles, and the bundle spacing on the corona current and ground-plane current density profiles is investigated. …"
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article -
877
Finite element solution of monopolar corona on bundle conductors
منشور في 1997"…A modified finite element iterative based method (FEM) is developed to analyze the monopolar ionized field and hence compute the associated corona power loss on bundle conductors (bundles two, three and four are considered). The effect of the number of bundles, and the bundle spacing on the corona current and ground plane current density profiles is investigated. …"
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article -
878
Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers
منشور في 2020"…Decreased FA along with both increased and decreased MD in different brain regions was present in HUC compared to CHNM. …"
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article -
879
Two-surgeon technique of parenchymal transection contributes to reduced transfusion rate in patients undergoing major hepatectomy
منشور في 2010"…On multivariate analysis, factors that significantly predicted increased red cell transfusion rates were female sex, pre-operative hematocrit <30%, platelet count <100,000/mm3, simultaneous resection of other organs, major hepatic resection, use of the Pringle maneuver, and tumors >10 cm. …"
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article -
880
Global, regional and national burden of bladder cancer and its attributable risk factors in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of...
منشور في 2021"…Bladder cancer accounted for 4.39 million (4.09 to 4.70) DALYs in 2019, and the age-standardised DALY rate decreased significantly by 18.6% (11.2 to 24.3) during the period 1990–2019. …"