Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel by Santecchia E.

“…The aim of this work was to evaluate the tribological performance of two commercially available thin hard coatings deposited by physical vapor deposition (PVD) on a high speed tool steel (S600) under extreme working conditions. …”
Get full text
Get full text

Light-controllable viscoelastic properties of a photolabile carboxybetaine ester-based polymer with mucus and cellulose sulfate by Mrlik, Miroslav

“…Rheological synergism with the polycationic carboxybetaine ester sample reached nearly 4 and 3.8, while it decreased with the charge-balanced zwitterionic sample to 0.3 and 0.7 after irradiation of the mucus-based and cellulose sulfate-based systems, respectively. …”
Get full text
Get full text

Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits by Alhaddad F.A.

“…The removal percentage was increased from 90 to 99% by increasing the temperature from 30 to 50��C and then decreased to 92.3% at 60��C. Conclusion: RODP was successfully used as an effective adsorbent for phthalate esters removal from drinking water. …”
Get full text
Get full text
Get full text

Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds by Bounnit, Touria

“…The use of biodiesel will decrease the emission of harmful gases, which can help in reducing the greenhouse effects and global warming. …”
Get full text
Get full text

Measurements of laminar flame speeds of alternative gaseous fuel mixtures by Ibrahim, Ahmed S.

“…In the present work, laminar flame speeds (SL) of alternative fuel mixtures, mainly LPG (60% butane, 20% isobutane, and 20% propane) and methane have been studies using the tube method at ambient conditions. …”
Get full text
Get full text
Get full text

Hyperhydration-induced decrease in urinary luteinizing hormone concentrations of Male athletes in doping control analysis by Athanasiadou, Ioanna

“…Baseline urinary LH concentrations, expressed as the mean � SD for each individual, were within the acceptable physiological range (7.11 � 5.42 IU/L). …”
Get full text
Get full text

The Formation of Sulfide Scales on Carbon Steel in Saturated H2S by Al-Qahtani, Noora

“…There are three contributing elements of corrosion of Carbon Steel in H2S environment: the effect of H2S on water chemistry; electrochemical reactions of the bare iron surface (both anodic and cathodic processes); and the formation and growth of corrosion product layers. …”
Get full text
Get full text

The Formation of Sulfide Scales on Carbon Steel in Saturated H2S by Alqahtani, Noora

“…"There are three contributing elements of corrosion of Carbon Steel in H?S environment: the effect of H2S on water chemistry; electrochemical reactions of the bare iron surface (both anodic and cathodic processes); and the formation and growth of corrosion product layers. …”
Get full text
Get full text

Electrochemical behavior of mild and corrosion resistant concrete reinforcing steels by Sohail, Muazzam G.

“…Extensive analysis of the results indicates that the corrosion resistance of the evaluated steels was in the following decreasing order: EC, HC, MS, and HS.…”
Get full text
Get full text

Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture by Slimani, Ahmed

Get full text
Get full text

Multifunctional self-healing polymeric nanocomposite coatings for corrosion inhibition of steel by Bahgat, Ahmed

“…The electrochemical studies indicate that the corrosion rate of the steel samples coated with the epoxy modified with the healing additives decreases after 5 days of immersion in saline water.…”
Get full text
Get full text

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

“…The electrochemical studies indicate that the corrosion rate of the steel samples coated with the epoxy modified with the healing additives decreases after 5 days of immersion in saline water.…”
Get full text
Get full text

Development And Performance Evaluation Of Smart Polymeric Coatings For Corrosion Protection Of Steel by Khan, Adnan

“…Consequently, they are a promising solution for longer durability of coated piping steel and decreased operation expense. If properly designed, smart self-healing coatings also help to reduce the overall thickness of the coating scheme as well as the investment cost. …”
Get full text

Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media by Al-Qahtani, Noora

“…The outcome has shown that the corrosion rate of C-steel initially decreased and then stabilised with time in the CI solution that might be linked to the inhibition effect of the corrosion product layers on the iron surface. …”
Get full text
Get full text

A model for capacitated green vehicle routing problem with the time-varying vehicle speed and soft time windows by Xu Z.

“…The proposed model considers the vehicle load and capacity as well as time-varying speed in order to account for traffic congestion. …”
Get full text
Get full text

Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds by Abdulla, Cheriyeri Poyil

“…The study reveals significant decreasing trends in annual mean wind speeds, of the order of −2.0 to −2.5 cm·s−1·year−1, for the period 1979–2019. …”
Get full text
Get full text
Get full text

Simulation and experimental study of underwater dissimilar friction-stir welding between aluminium and steel by Eyvazian, Arameh

“…Theeffects of processing parameters on the formation of intermetallic compounds (IMCs) atthe Al/St interface, microstructural characteristics, and mechanical property of dissimilarweldments were studied and addressed. By decreasing tool rotational speed (w), increas-ing traverse velocity (v), and employing cooling medium, peak temperature continuouslyreduced (down to ?…”
Get full text
Get full text

Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates by Alnahhal, W.

“…However, the flowability was decreased by 12% to 15% with steel fibers. The results also revealed that at a steel fiber volume fraction of 0%, RCA had little influence on the compressive strength, while they noticeably influenced the flexural tensile strength. …”
Get full text
Get full text

Corrosion behavior of API X100 steel material in a hydrogen sulfide environment by Okonkwo, Paul C.

“…The results indicate that the corrosion rate of API X100 steel decreases with increasing H2S bubbling time due to the increase in H2S concentration in 3.5% NaCl solutions. …”
Get full text
Get full text

Adaptive thermal comfort in the different buildings of Darjeeling Hills in eastern India – Effect of difference in elevation by Thapa, Samar

“…Whereas, the mean comfort temperature decreased with the elevation of the location and this difference was also statistically significant, t = −92.34 (df = 2607, p < 0.001). …”
Get full text
Get full text