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New algorithm based active method to eliminate stick-slip vibrations in drill string systems
منشور في 2022"…This phenomenon can decrease the rate of penetration of drilling, wear of expensive equipment prematurely and cause catastrophic failures. …"
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42
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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43
Economic consequences of the covid 19 outbreak
منشور في 2021"…A description of Covid situation and what are the changes, the flight stops and social distance is a must for all the people, must ware mask and gloves all the time in the second part of the report I talked about the economic situation during the covid 19, fall in the international economics and the progress in the national economics. …"
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44
Optimal Energy Dispatch Engine for PV-DG-ESS Hybrid Power Plants Considering Battery Degradation and Carbon Emissions
منشور في 2023"…The test results revealed a 9.2% and 3.5% decrease in daily costs compared to the heuristic and stochastic methods, respectively, and a 29.4% decrease in carbon emission costs.…"
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45
Retinal imaging based glaucoma detection using modified pelican optimization based extreme learning machine
منشور في 2024"…The effectiveness has been evaluated using two standard datasets called G1020 and ORIGA with the $$10 \times 5$$-fold stratified cross-validation technique to ensure reliable evaluation. …"
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46
Effect of Hypoxia on Maximal Fat Oxidation Rate During Incremental Cycling : Relationship to the Gas Exchange Threshold
منشور في 2024"…Furthermore, the decrease in fat oxidation was apparent in HYPO compared to NORM at all workloads. …"
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47
Internet Searches for Medical Symptoms Before Seeking Information on 12-Step Addiction Treatment Programs: A Web-Search Log Analysis
منشور في 2019"…Second, we examined symptom queries preceding queries on the 12-step program at time lags of 0-7 days, 7-14 days, and 14-30 days, where the probability of asking about a medical symptom was greater in the 30-day time window preceding 12-step program information-seeking as compared to all previous times that the symptom was queried.…"
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48
OSRA Grant Cycle 5 Public Reports : Project Title: Coping with prenatal bereavement and perceived stress in current pregnancy: correlates to parental perception of the child and bo...
منشور في 2023"…The couple's relationship quality also plays a significant role, with secure romantic attachment positively influencing prenatal attachment and promoting resilience in times of stress, while avoidant or anxious romantic attachment can lead to lower prenatal bonding and increased pregnancy-related worries.…"
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49
Numerical Investigation of the Fetal Left Heart Hemodynamics During Gestational Stages
منشور في 2021"…This maximum WSS decreases to 11 Pa at the gestational week of 27, indicating nearly three-times reduction in the peak shear stress. …"
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50
A kinetic evaluation of nutrient and organic matter removal in greywater for green Walls: Assessing the performance of Mineral-Based, Organic, and Waste-Derived plant support media
منشور في 2024"…However, when accounting for leaching, which was significant in some organic media but expected to decrease with time, most organic media (SCG, date seeds, coco coir and bone) achieved around 80 % TOC removal. …"
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51
Mechanisms behind the immediate effects of Roux-en-Y gastric bypass surgery on type 2 diabetes
منشور في 2013"…I.e., the largest possible decrease in glucose predicted by the model is smaller than reported decreases, and the model predicts no decrease whatsoever in glucose ×insulin, in contrast to large observed decreases in homeostatic model assessment insulin resistance (HOMA-IR). …"
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52
Impact of aluminium acetate particles size on the gelation kinetics of polyacrylamide‐based gels: Rheological and molecular simulation study
منشور في 2023"…Using 7 wt.% PAM/1 wt.% AlAc with sizes of 25 and 48 μm revealed a crosslinking time of 17 and 115 min, respectively. The addition of bentonite at low crosslinker concentrations (0.5–1 wt.%) did not decrease the gel strength of 7 wt.% PAM/1 wt.% AlAc significantly. …"
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53
Low-Dose Eltrombopag in a Patient with Chronic Idiopathic Thrombocytopenic Purpura Post Sleeve Gastrectomy
منشور في 2020"…Little is known about the dose of eltrombopag in patients with sleeve gastrectomy since reduction in the amount of functioning gastrointestinal tract after gastric bypass surgery leads to decreased time to drug absorption and reduced drug bioavailability. …"
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54
How Tax Policies Affect Qatar's Foreign Direct Investment
منشور في 2024"…This thesis examines legal and tax rules of both QFC and State of Qatar tax regime as well as investment laws and at the same time identifies some of the key problem areas found in Qatar’s tax regime and investment laws. …"
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55
Novel Wire Gripper for Robotics Picking of Small Green Parts From Powder Bed of Binder Jet Metal Additive Manufacturing
منشور في 2025"…Our work focuses on cutting down postprocessing times as we strive to reach higher levels of productivity. …"
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56
A potential therapeutic agent for sickle cell anaemia
منشور في 2016"…</p><p>Patients with sickle cell anaemia produce 10 to 30 times more of a natural by-product of oxygen metabolism called reactive oxygen species (ROS) than healthy patients. …"
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57
Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov...
منشور في 2023"…To explore the relationship between the antibody responses and time, Spearman's correlation coefficient was computed. …"
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58
Wave-packet dynamics in monolayer graphene with periodic scattering potentials
منشور في 2025"…<p dir="ltr">We use the Dirac <u>continuum model</u> to study the propagation of electronic wave packets in monolayer graphene in the presence of periodically arranged circular potential steps. The time propagation of the wave packets is calculated using the split-operator method for different sizes, heights, and separations of the barriers. …"
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59
Open innovation systems and public policy in Africa
منشور في 2021"…These should facilitate the development of e-government to address time, distance responsiveness and productivity barriers as citizens benefit from e-government adoption and application. …"
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60
Influence of shelf-life duration on mechanical, thermal and shape recovery motion derivatives of shape memory polyurethane
منشور في 2024"…The results indicated that tensile and flexural strength decreased by 35.16 % and 29.3 % respectively, from S1 to S10. …"
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