Centrifugal Compressor Spiral Dry Gas Seal Simulation Working at Reverse Rotation by 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. …”
Get full text
Get full text
Get full text

Variations in the temperature sensitivity of spring leaf phenology from 1978 to 2014 in Mudanjiang, China by Dai J.

“…ST for the other 25% exhibited a decreasing trend, with 17% showing significant decreases (P < 0.05). …”
Get full text
Get full text

Brain microstructural changes support cognitive deficits in HIV uninfected children born to HIV infected mothers by Santosh K., Yadav

“…Materials and methodsForty nine HIC, 12 HUC and 18 CHNM underwent neuropsychological (NP) assessment and a brain MRI. Diffusion tensor imaging (DTI) data was used to generate fractional anisotropy (FA) and mean diffusivity (MD) maps. …”
Get full text
Get full text
Get full text

Effect of pH on dissolution of iron sulfide scales using THPS by Ahmed, Musa

“…Both experimental and theoretical techniques suggest that the pyrite dissolution ability of THPS decreases as pH increases. Conversely, combing THPS with EDTA (Ethylenediaminetetraacetic acid) proved effective in dissolving a mixture of different iron sulfide field scales. …”
Get full text
Get full text

Multifunctional self-healing polymeric nanocomposite coatings for corrosion inhibition of steel by Ubaid F.

Get full text
Get full text

Assessment of climate change pattern in the Pauri Garhwal of the Western Himalayan Region: based on climate parameters and perceptions of forest-dependent communities by Jha, Shashidhar Kumar

“…Percentage cloud cover showed an increase, of approximately 3%, while diurnal temperature displayed decreasing trends. Rainfall in the district showed a decreasing trend, with more than 50% of years 1985–2015 receiving less rainfall than the annual average. …”
Get full text
Get full text
Get full text

Origanum syriacum L. Attenuates the Malignant Phenotype of MDA-MB231 Breast Cancer Cells by AlKahlout, Amal

“…Here, we show that in MDA-MB-231, a TNBC cell line, Origanum syriacum L. aqueous extract (OSE) inhibited cellular viability, induced autophagy determined by the accumulation of lipidized LC3 II, and triggered apoptosis. …”
Get full text
Get full text
Get full text

Shear Behavior of Green Concrete Beams Reinforced with Basalt FRP Bars and Stirrups. by Elahtem, Ayman Ahmed

“…The Reinforced concrete structures when exposed to a harsh environment it will be susceptible to the corrosion of steel reinforcement and shall lead to deterioration process. …”
Get full text

Impact of composition and salinity on swelling and gel strength of poly (acrylamide-co-acrylic acid) preformed particle gel by Ben Ali, Ahmed

“…The effects of various material compositions and reservoir environments on the ultimate strength and swelling kinetics of a commercial preformed particle gel (PPG) have been investigated. …”
Get full text
Get full text

Screening the growth inhibition mechanism of sulfate reducing bacteria by chitosan/lignosulfonate nanocomposite (CS@LS) in seawater media by Kashif, Rasool

“…Similarly, the specific organic uptake rate (SOUR) decreased from 0.082 to 0.039 0.036 g-TOC/g-VSS*day giving a relative co-substrate oxidation inhibition of 52.19% as compared to that of control. …”
Get full text
Get full text
Get full text

Hybrid wind-diesel-battery system planning considering multiple different wind turbine technologies installation by Rakhshani, E.

“…In this context, this paper presents a novel approach for optimally planning of wind-diesel-battery systems which optimizes the wind turbine technology as a decision variable from the different types already commercially available. …”
Get full text
Get full text

Severe plastic deformation of tubular AA 6061 via equal channel angular pressing by Jafarlou, D.M.

“…However, the ductility of the material decreased slightly for the ECAP-treated samples. To resolve this issue, a heat treatment process using the T6 method was performed, leading to a notable ductility enhancement in addition to further improvements in shear strength and microhardness.…”
Get full text
Get full text
Get full text

Microbial electrosynthesis feasibility evaluation at high bicarbonate concentrations with enriched homoacetogenic biocathode by Gunda, Mohanakrishna

“…On the contrary, carbon conversion efficiency decreased with the increase in the bicarbonate concentration, which evidenced a maximum at 2.5 g HCO3−/L (90.16%). …”
Get full text
Get full text
Get full text

Effect of electroless bath composition on the mechanical, chemical, and electrochemical properties of new NiP-C 3 N 4 nanocomposite coatings by Fayyad E.M.

“…The results indicated that the alkaline electroless bath produced a NiP–C3N4 NCC with a microhardness 250 HV200 higher than that produced from the acidic one. …”
Get full text
Get full text

Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization by Abdulazeez, Ismail

“…The presence of PUCorr at 100 ppm decreases the corrosion current density from 30.3 to 3.05 μA/cm2 in 0.5 M NaCl at room temperature, exhibiting a remarkable inhibition efficiency of 94.5%. …”
Get full text
Get full text
Get full text

The Impact of COVID-19 on Physical (In)Activity Behavior in 10 Arab Countries by Al Sabbah, Haleama

“…Insufficient physical activity is considered a strong risk factor associated with non-communicable diseases. …”
Get full text
Get full text

Magnetorheological elastomer-based variable stiffness flexible coupling for vibration isolation by Syam, Thaer M.I.

“…Magnetorheological elastomers (MRE) are smart composite materials whose mechanical properties, such as stiffness, are changed when exposed to a magnetic field. In this article, we report on the fitting of a variable stiffness coupling (VSC) within a shaft to isolate torsional vibration, which can adapt and change its attenuation frequency range. …”
Get full text
Get full text

Entrepreneurship and genetics: New Evidence by Diallo, Boubacar

“…Specifically, it finds that a one standard deviation increase in lactase persistence decreases regional self-employment by 7%. …”
Get full text
Get full text

The impact of PV generation and load types on the impedance relays during both balanced and unbalanced faults by Kamel, Rashad M.

“…When single line to ground fault occurs at the PV bus (far from relay location), the dynamic loads increase the relay impedance, while the PV plant decreases the relay impedance. When a single phase to ground fault occurs at the relay bus (load bus), the dynamic load decreases the relay impedance, and the PV plant increases it. …”
Get full text
Get full text
Get full text

How to govern the non-cooperative amateur drones? by He D.

“…Also, a novel method to build a no-fly zone for non-cooperative drones is proposed.…”
Get full text
Get full text