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Toplam kayıt 101, listelenen: 31-40
Active sites and their individual turnover frequencies for ethylene hydrogenation on reduced graphene aerogel
(American Chemical Society, 2024)
Graphene aerogel (GA) was reduced at various temperatures to prepare a series of reduced graphene aerogels (rGAs) with different surface characteristics. Detailed characterization demonstrated that an increase in the thermal ...
Recovery of rare earth elements through spent NdFeB magnet oxidation (first part)
(MDPI-Multidisciplinary Digital Publishing Institute, 2022)
Due to their remarkable magnetic properties, such as a high maximum energy product, high remanence, and high coercivity, NdFeB magnets are used in a variety of technological applications. Because of their very limited ...
Improvement of thermal stability and gamma-rayabsorption in microwave absorbable poly(methylmethacrylate)/graphene nanoplatelets nanocomposite
(Journal of Applied Polymer Science, 2021)
The graphene nanofiller (2 wt%) was dispersed in poly(methyl methacrylate) byin situ polymerization method. The optimum high frequency (microwave)absorption was evaluated at X-band due to changes in the scattering ...
Recovery of rare earth elements from spent NdFeB-magnets: separation of iron through reductive smelting of the oxidized material (second part)
(MDPI-Multidisciplinary Digital Publishing Institute, 2022)
This paper proposes a pyrometallurgical recycling method for end-of-life NdFeB magnets by oxidizing them in air and subsequently smelting them. The smelting process enabled the recovery of rare earth elements (REEs), ...
The effect of preceramic soldering on fracture resistance of 4-unit zirconia fixed dental prostheses
(Wiley, 2022)
Purpose Preceramic soldering of zirconia may deliver better fitting restorations. However, there is not sufficient evidence regarding the influence of preceramic soldering of zirconia restorations on mechanical strength. ...
New proposal for size and size-distribution evaluation of nanoparticles synthesized via ultrasonic spray pyrolysis using search algorithm based on image-processing technique
(Mdpi, 2020)
Nanoparticle properties are correlated to their size, size distribution, and shape; it is essential to accurately measure these features in the field of nanoscience. In this study, silver nanoparticles (AgNPs) were synthesized ...
Molecularly imprinted polymer based sensors for SARS-CoV-2: where are we now?
(MDPI-Multidisciplinary Digital Publishing Institute, 2022)
Since the first reported case of COVID-19 in 2019 in China and the official declaration from the World Health Organization in March 2021 as a pandemic, fast and accurate diagnosis of severe acute respiratory syndrome ...
Mechanical and wetting properties of coated paper sheets with varying polydimethylsiloxane molecular masses in the coating formulation
(Scientific & Technical Research Council Turkey-TUBITAK, 2022)
Coated paper sheets were prepared by immobilizing a thin coating layer of cross-linked polydimethylsiloxane (PDMS) and inorganic particles onto Whatman filter paper Grade 1 (WFP) substrates. Several coatings that differed ...
Techno-economic analysis of PV systems with manually adjustable tilt mechanisms
(Elsevier, 2022)
Solar radiation falling on photovoltaic (PV) panel surface can be maximized via solar tracking systems, however, in return for infeasible investments. On the other hand, manual and periodic tilt adjustment of PVs can ...
Hybrid paper sheets with improved barrier properties
(Scientific & Technical Research Council Turkey-TUBITAK, 2021)
Hybrid paper sheets were prepared by applying a thin coating layer of cross-linked polydimethylsiloxane (PDMS) and inorganic particles onto Whatman Grade 1 filter paper substrates. Several coatings with different inorganic ...