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641
Proliferation and differentiation of human adipose-derived mesenchymal stem cells (ASCs) into osteoblastic lineage are passage dependent
منشور في 2014"…Calcium deposition and alkaline phosphatase activity were the highest at P2 but completely abrogated at P4. Increased passage number impaired cell growth; P2 cultures exhibited exponential growth, while cells at P4 and P6 showed near linear growth with cell population doubling times increased from 3.2 at P2 to 4.8 d at P6. …"
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article -
642
Kinetics and adsorption of metolachlor and atrazineand the conversion products (deethylatrazine,deisopropylatrazine, hydroxyatrazine) in the soilprofile of a river basin
منشور في 2007"…We used the batch equilibrium method modified to simulate field conditions as closely as possible for the use and practices related to soil applied pre-emergence herbicides. Pseudo-equilibrium times, determined by kinetic studies, were achieved after 16, 16, 24, 24 and 48 hours for metolachlor, DIA, DEA, HA and atrazine, respectively. …"
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article -
643
Computational study of metal doped graphene nanoribbon as a potential platform for detection of H2S
منشور في 2021"…More precisely, E<sub>ads</sub> increased remarkably to almost 13 and 10 times for the cases of HAGNR-Pt and NAGNR-Pt as compared with bare HAGNR and NAGNR, respectively. …"
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644
A study on Speaker Recognition System
منشور في 2015"…"The huge development in information technology opened the door for finding an increasing number of security gaps in the daily used systems like email accounts. …"
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645
The Impact of Absenteeism and Islamic Work Ethics on Project Delivery in Public Projectized Organizations in the United Arab Emirates (UAE)
منشور في 2019"…As the modern world demands a lot from the employees so the stress levels of the employees were increased and are not able to balance the work and the personal life where the individual is affected physically and psychologically that leads to employee’s absenteeism. …"
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646
Selective changes in cytosolic β-adrenergic cAMP signals and L-type Calcium Channel regulation by Phosphodiesterases during cardiac hypertrophy
منشور في 2020"…In SHAM and CH LVMs, a short isoprenaline stimulation (Iso, 100 nM, 15 s) elicited a similar transient increase in cAMP with a half decay time (t1/2off) of ~50 s. …"
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article -
647
Effect of nickel loading on hydrogen production and chemical oxygen demand (COD) destruction from glucose oxidation and gasification in supercritical water
منشور في 2010"…The introduction of hydrogen peroxide (H2O2) prior to the feed injection inhibited the catalyst activity and did not increase the hydrogen yield whereas the introduction of H2O2 after 15 min of reaction time increased the hydrogen yield from 0.62 mol/mol to 1.5 mol/mol. …"
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article -
648
Current rise index (CRI) maps of machine tool motors for tool-wear prognostic
منشور في 2017"…For verification in a drilling operation application, this index is found to positively track the progressive increase in tool-wear. Utilizing this CRI and the associated polar plots, monitoring of cutting tools may be achieved simply by machine tool operator via visual monitoring of polar CRI maps generated in real-time. …"
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conferenceObject -
649
The Ricardian equivalence
منشور في 1990"…A dollar of tax reduction causes the national debt to increase by one dollar which must be repaid later. …"
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masterThesis -
650
Optical coherence tomography findings in persistent diabetic macular edema
منشور في 2007"…OCT in general was 1.94 times more sensitive than traditional techniques combined in detecting VMIA (P = .00003). …"
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article -
651
Evaluating the degree of difficulty of laparoscopic colorectal surgery
منشور في 2008"…It is hoped that proper case selection based on this data will result in a lower conversion rate, thereby benefiting patients and reducing operative times and costs.…"
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article -
652
Necrotizing Soft Tissue Infection Post VASER-Assisted Liposuction and Lipofilling: A Case Report
منشور في 2023"…The complication rate is very minimal, and it increases relatively when combined with other procedures. …"
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653
Acoustic radiation-free surface phononic crystal resonator for in-liquid low-noise gravimetric detection
منشور في 2021"…Experimental results show that the SPC resonator exhibits an in-liquid quality factor 15 times higher than a conventional Rayleigh wave resonator at a similar operating frequency. …"
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654
Caught off guard and beaten: The Ukraine war and food security in the Middle East
منشور في 2023"…<div><p>The Ukraine war has led to a severe global food crisis due to complex supply disruptions and price increases of agricultural inputs. Countries of the Middle East have been directly affected because of their high dependence on food imports from Russia and Ukraine. …"
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655
MEFood: A Large-Scale Representative Benchmark of Quotidian Foods for the Middle East
منشور في 2023"…<p>Automatic food recognition systems have been receiving increasing attention in the research community with the advancements in inductive learning (e.g., classification in computer vision) due to their applicability in the healthcare and hospitality industry. …"
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656
Cadmium Intake, Dietary Patterns and Hyperuricemia Among Adults in China
منشور في 2020"…A traditional southern dietary pattern characterized by high intake of rice, pork, fish and vegetables, and low intake of wheat was associated with three times increased prevalence of HU; comparing the extreme quartiles, the odds ratio (OR) was 3.24 (95%CI 2.61–4.01). …"
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657
Assessment of Qatar’s road network under sea-level-rise scenarios using traffic simulation and graph theory
منشور في 2025"…High-resolution maps derived from IPCC-AR6 and NOAA projections show that without adaptation measures, SLR may affect approximately 3–11% of land and 2–17% of roads in Qatar, potentially increasing trip durations up to 15 times. Importantly, the estimated impacts are indicative trends rather than definitive outcomes linked to specific emissions scenarios. …"
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658
Emerging 2D MXene-based polymeric membranes for water treatment and desalination
منشور في 2024"…Addressing this challenge requires a shift toward alternative water treatment technologies. In recent times, there has been a noteworthy surge in the application of innovative 2D nanomaterials MXenes for water treatment. …"
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659
Spatial and temporal changes in electricity demand regulatory during pandemic periods: The case of COVID-19 in Doha, Qatar
منشور في 2022"…<p>The propagation of the pandemic times, especially during COVID-19, has caused millions of morbidity and mortality cases across the world, forcing people to change their lifestyles and governments to take different measures to slow down the spread of the disease. …"
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660
Intelligent Rapidly-Exploring Random Tree Star Algorithm
منشور في 2024احصل على النص الكامل
doctoralThesis