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Article
Open AccessThe combined influence of spin and roughness frequency on sphere aerodynamics
The lift and drag of spinning spheres roughened with macro-roughness elements are examined. The velocity field of these same spheres in flight is measured with particle image velocimetry (PIV). Several spheres...
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Article
Impact of endoscopic surveillance on the early diagnosis and endoscopic resection likelihood of gastric cancer
Endoscopy could help detect early gastric cancer (EGC) and improve the prognosis of patients. The aim of this study was to analyze the impact of endoscopy and endoscopic surveillance on the early detection of ...
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Article
Visual and rapid fluorescence sensing for hexavalent chromium by hydroxypropyl chitosan passivated bismuth-based perovskite quantum dots
Hydroxypropyl chitosan-Cs3Bi2Cl9 perovskite quantum dots (HPCS-PQDs) were synthesized by a simple ligand-assisted reprecipitation method via green hydroxypropyl chitosan as the ligand and used as the specific sig...
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Article
Multifunctional cotton fabric with durable antibacterial, superhydrophobicity, and UV resistance based on Ag@TiO2 Janus nanoparticles
The problem of functional integration is a significant challenge for the preparation of multifunctional cotton fabrics. Herein, silver@titanium dioxide (Ag@TiO2) Janus nanoparticles were synthesized by Pickering ...
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Article
Open AccessUltra-low reflection electromagnetic interference shielding nanofiber film with effective solar harvesting and self-cleaning
It is urgent to develop low-reflection electromagnetic interference shielding material to shield electromagnetic waves (EMW) and reduce their secondary radiation pollution. Herein, an electromagnetic interfere...
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Article
Magnifying endoscopy is superior at detecting easy-missed neoplastic lesions on the upper gastrointestinal tract
Magnifying endoscopy is advantageous in detecting precancerous lesions. Our study aimed to clarify its ability to detect easily missed neoplastic lesions on the upper gastrointestinal tract. A retrospective an...
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Article
Seismic Coherence for Discontinuity Interpretation
Seismic coherence is of the essence for seismic interpretation as it highlights seismic discontinuity features caused by the deposition process, reservoir boundaries, tectonic movements, etc. Since its appeara...
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Article
Open AccessImpact of Helicobacter pylori eradication on the gastric microbiome
Helicobacter pylori (Hp) eradication has been used for many years. Yet, the impact of this eradication on the normal gastric microflora is not well understood. In this study, we explored the effect of eradication...
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Article
A cleaner approach to tanning process of cattle hide upper suede leather: chrome-less polycarboxylate/montmorillonite nanocomposites as tanning agent
In this study, a cleaner approach to a ‘sandwich’ chrome-less tanning for cattle hide upper suede leather based on polycarboxylate/montmorillonite nanocomposite (PCM) has been developed. The chromium was reduc...
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Article
Long-acting antibacterial activity on the cotton fabric
Cotton fabric is a prevalent natural textile. The fibers in the cotton fabric are polymers made of thousands of glucose residues linked by glycosidic bonds. Cotton fabric has good air permeability and comforta...
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Article
Preparation and application of dialdehyde nanocellulose reinforced jatropha oil based polymer emulsions as leather fatliquors
Bio-based acrylated epoxidized jatropha oil (AEJO) was developed using a solvent-free synthetic method, and the structure of the resulting product was confirmed by Fourier transform infrared spectroscopy and p...
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Article
Antibacterial cotton with endurance and skin affinity treated by P(DMDAAC-AGE-Si)/(ZnO@CQDs)
The organosilicon quaternary ammonium salt/(zinc oxide@carbon quantum dots) composite material referred to P(DMDAAC-AGE-Si)/(ZnO@CQDs) was prepared with ZnO, glucose and vinyl monomers by situ free-radical pol...
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Article
Effect of coated and encapsulated polyacrylate/nano-SiO2 composite emulsions on the finishing performances of leather via miniemulsion polymerization
In this study, the polyacrylate/nano-SiO2 (PA/SiO2) composite emulsion with ideal encapsulated and coated morphologies were prepared by miniemulsion polymerization. They, respectively, are encapsulated PA/SiO2-S ...
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Article
Composite based on poly(acrylic acid)/modified attapulgite/zinc oxide as a flame retardant of cotton fabrics
Poly(acrylic acid)/modified attapulgite/zinc oxide composite (PAA/BF-ATP/ZnO) was prepared by acrylic acid, modified attapulgite (BF-ATP), triethoxy vinyl silane modified ZnO using in situ polymerization, and ...
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Article
Open AccessThe reverse Magnus effect in golf balls
The following considers the lift and drag response of three commercially available golf balls. The balls were projected with spin through still air in a laboratory setting to investigate a reverse Magnus effec...
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Silicone quaternary ammonium salt based nanocomposite: a long-acting antibacterial cotton fabric finishing agent with good softness and air permeability
A silicone quaternary ammonium salt based nanocomposite was synthesized and the chemical structure and stability of the nanocomposite were investigated. The results showed that the OQAS/(Ag/ZnO) nanocomposite ...
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Article
Synthesis of raspberry-like SiO2/polyacrylate nanocomposite latexes via a one-step miniemulsion polymerization and its film properties
Narrowly size-distributed raspberry-like SiO2/polyacrylate nanocomposite latexes were prepared by miniemulsion polymerization. The effects of tetraethyl orthosilicate (TEOS) and γ-(methacryloxypropyl) trimethoxy ...
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Book
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Chapter
Non-orthogonal Multiple Access in Wireless Powered Communication Networks
In a WPCN, the distances between the users and the power beacon (PB) or the information receiver (IR) are different, which results in unfair transmission rates among different users. NOMA, the basic principle ...
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Chapter
Summary
In this chapter, we present a summary of main ideas of this book and discuss the future research directions about WPCN.
