Centrifugal Compressor Spiral Dry Gas Seal Simulation Working at Reverse Rotation حسب Ibrahim, Shahin

"…Unidirectional dry gas seal may experiences reverse rotation when equipped in a centrifugal compressor. This paper describes how the reverse rotation effects on the spiral unidirectional dry gas seal performance and pressure distribution inside the gas film, also an investigation of using a different herringbone shape grooves configurations has been done using ANSYS FLUENT 14.5 CFD simulation. …"
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Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material حسب Farheen F., Jaldurgam

"…Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability restrict their commercial applications. …"
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Knowledge and Perception of and Attitude toward a Premarital Screening Program in Qatar: A Cross-Sectional Study حسب Al-Shafai, Mashael

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Risk Management Assessments and Recommendations Among Students, Staffs, and Health Care Workers in Educational Biomedical Laboratories. حسب Rizk, Nasser M

"…The number of identified hazards was thirteen (n=13) in the hematology laboratory and sixteen (n=16) in the microbiology laboratory. …"
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Burden of diabetes mellitus attributable to demographic levels in Qatar: An emerging public health problem حسب Bener, Abdulbari

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Influence of anionic surface modifiers on the thermal stability and mechanical properties of layered double hydroxide/polypropylene nanocomposites حسب Yang, J.H.

"…Organo-layered double hydroxide/polypropylene (LDH/PP) nanocomposites were successfully synthesized via a solution blending method. As an attempt to improve the compatibility with hydrophobic PP, the LDH surface was modified by the incorporation of various anionic surfactants via electrostatic interaction with LDH cationic layers. …"
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Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae حسب Bounnit, Touria

"…To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) and the culture was observed for 72 h. …"
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Use Of Cement By-Pass Dust In Soil Stabilization حسب Taha, Ramzi

"…Mixtures were subjected to the following tests: (1) Atterberg limits, (2) pH, (3) compaction, (4) California Bearing Ratio (CBR), (5) swell percent, and (6) swell pressure. Results indicate that as cement by-pass dust content increases, the swell percent and maximum dry density decrease while the pH and CBR values tend to increase. …"
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The Cellular Interplay Between Na+/H+ Exchanger Isoform I and Osteopontin in Cardiac Hypertrophy حسب Abdelaziz, Iman Ahmed

"…This was significantly abolished in the presence of siRNA-OPN (20.2 fold decrease±0.12 of control) and (68.5±0.24% vs. 586.5±103.54% NHE1-infected). …"
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Failure mode analysis for single-phase Multi-level qZSI interfacing PV system to utility grid حسب Rahman, Syed

"…The power deficit due to a failure of the module is reflected as a decrease in the grid current reference. …"
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Enzymatic treatment of peanut butter to reduce the concentration of major peanut allergens حسب Yu, Jianmei

"…Treatment of peanut butter with a combination of trypsin and alpha-chymotrypsin resulted in a decrease in IgE-binding, suggesting that enzymatic treatment has the potential to reduce the allergenicity. …"
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The Influence of Urbanization on Natural Overland Flow Paths حسب Al-Sayed, Amna Mohammed

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Experimental study on effective placement of PCM packets in cooling vest to improve performance in warm environment حسب Itani, Mariam

"…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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Tailoring of the thermal, mechanical and dielectric properties of the polypropylene foams using gamma-irradiation حسب Mrl�k, Miroslav

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Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content حسب Bounnit, Touria

"…The current study investigates the ecotoxicity of SnO2 nanoparticles on a local marine algae isolate. Five different concentrations (1, 5, 25, 50 and 100mg/L) were tested and the culture was followed for 72h. …"
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Using Event History Analysis in the Social Sciences حسب Mozahem, Najib A.

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Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst حسب Ashok, Anchu

"…At higher value of φ, the reactive medium generates H2 rich reducing environment to convert metal oxide to metallic form Bimetallic CuCo were synthesized from the aqueous solution of cobalt nitrate (Co(NO3)2·6H2O), copper nitrate (Cu(NO3)2·6H2O) and glycine (C2H5NO2) in solution combustion synthesis (SCS) method using a fuel to oxidizer ratio of φ 0.5, 1, 1.75 and 2.5. …"
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Electrocatalytic cogeneration of reactive oxygen species for synergistic water treatment حسب Yang S.Y.

"…The phenol decomposition and TOC removal with the pair are more than double their sums of the two half-electrodes at all Ecells with O2 purging, whereas such a synergistic effect is found only at high Ecells when N2 is purged. …"
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Superior photocatalytic activity of Cu doped NiWO4 for efficient degradation of benzene in air even under visible radiation حسب Tri N.L.M.

"…This was because Cu effectively acted as novel dopant, which not only affected valence band (VB) top and conduction band (CB) bottom of NiWO4 but also formed a medium energy level between CB and VB of the NiWO4 to decrease its energy band gap and electron-hole recombination rate. …"
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Adsorption of Congo Red Dye Using Activated Carbon-Fe3O4 Composite حسب Mahmud, Nafis

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