Results 21 to 30 of about 968,427 (403)

Rh/CeO2+Pt/Ba/Mn/Al2O3 model NSR catalysts: Effect of Rh/Pt weight ratio

open access: yesCatalysis Communications, 2021
A series of model NOx storage-reduction (NSR) catalysts with different Rh/Pt weight ratios were prepared independently by wet impregnation and then mechanically mixed to investigate the effect of the Rh/Pt weight ratio on the overall NOx removal ...
Dezhi Ren   +5 more
doaj   +1 more source

Pt-Sb2Te as high speed phase-change materials with excellent thermal stability

open access: yesMaterials Research Express, 2021
Phase change memory (PCM) has been regarded as one of the most promising candidates for the next-generation nonvolatile memory. In this paper, we propose PtSb _2 Te (PST) phase change material for phase change memory.
Zhihao Song   +7 more
doaj   +1 more source

Optimization of process parameters and mechanism of strengthening and toughening of Nb-W alloy prepared by chemical vapor deposition based on orthogonal test

open access: yesMaterials Research Express, 2023
In this paper, the chemical vapor deposition (CVD) method was used to prepare Nb-W binary alloys on Mo substrates for the first time. The influences of the process parameters on the composition, average deposition rate, and average deposition efficiency ...
Zhang Mao   +10 more
doaj   +1 more source

ARTIFICIAL INTELLIGENCE IN BLOCKCHAIN-PROVIDE DIGITAL TECHNOLOGY

open access: yesInternational Journal of Innovative Technologies in Economy, 2022
Artificial intelligence technologies, today, are rapidly developing and are an important branch of Computer Science. Artificial intelligence is at the heart of research and development of theory, methods, technologies, and applications for modeling and ...
Dziatkovskii Anton
doaj   +1 more source

Pt and Al Recovery from a Spent Pt/Al2O3 Catalyst via an Integrated Soda Roasting–Alkaline Leaching–Carbonization Process

open access: yesMetals, 2023
An integrated soda roasting–alkaline leaching–carbonization process was developed to recover platinum (Pt) and aluminum (Al) from a spent Pt/Al2O3 catalyst. A product with the main component of NaAlO2 was obtained under the optimal roasting conditions of
Haigang Dong   +5 more
doaj   +1 more source

Research on contour feature extraction method of multiple sports images based on nonlinear mechanics

open access: yesNonlinear Engineering, 2022
This article solves the issue of long extraction time and low extraction accuracy in traditional moving image contour feature extraction methods. Here authors have explored deformable active contour model to research the image processing technology in ...
Wang Jucui   +4 more
doaj   +1 more source

Hydrophobic cis-platinum complexes efficiently incorporated into liposomes [PDF]

open access: yes, 1992
The present invention involves the synthesis and use of new platinum compounds. These new platinum compounds are easy to encapsulate in liposomes at high efficiencies.
Khokhar, Abdul R.   +2 more
core   +3 more sources

Research progress on new materials and properties of electronic skin

open access: yes工程科学学报, 2020
Human skin is an extraordinary organ; it comprises an integrated,stretchable network of sensors that transmits information to the brain about tactile and thermal stimuli, enabling us to safely and efficiently operate in our environment.
Su-wei WAN   +3 more
doaj   +1 more source

Interfacial structure and mechanical properties of the Ta/Re layered composites prepared by chemical vapor deposition

open access: yesMaterials Research Express, 2021
A novel Ta/Re layered composites with high temperature resistance, low cost, light weight, and excellent mechanical properties has been prepared by chemical vapor deposition, for improving the comprehensive service performance of the aerospace engine ...
Zhentao Yuan   +7 more
doaj   +1 more source

Repeating platinum/bevacizumab in recurrent or progressive cervical cancer yields marginal survival benefits [PDF]

open access: yes, 2017
Our objective was to assess overall survival of cervical cancer patients following prior platinum/bevacizumab chemotherapy, comparing retreatment with platinum/bevacizumab with alternative therapies.
Massad, L. Stewart   +3 more
core   +3 more sources

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