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A simple table-size ECR plasma generator operates in the ATOMKI without axial magnetic trap and without any particle extraction tool. Radial plasma confinement is ensured by a NdFeB hexapole. The table-top ECR is a simplified version of the…

Plasma Physics · Physics 2015-01-29 R. Rácz , S. Biri , P. Hajdu , J. Pálinkás

Numerical simulation of the complex plasma dynamics associated with high power, high frequency microwave breakdown at high pressures, leading to the formation of filamentary plasma structures such as self-organized plasma arrays, is a…

Plasma Physics · Physics 2025-05-13 Pratik Ghosh , Bhaskar Chaudhury

While convenient in daily life, face recognition technologies also raise privacy concerns for regular users on the social media since they could be used to analyze face images and videos, efficiently and surreptitiously without any security…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Yaoyao Zhong , Weihong Deng

The texturization of poly(tetrafluoroethylene) (PTFE) surfaces is achieved at atmospheric pressure by using the post-discharge of a radio-frequency plasma torch supplied in helium and oxygen gases. The surface properties are characterized…

The escalating global issue of plastic waste accumulation, specifically polyolefins, necessitates an urgent solution for upcycling these materials into beneficial compounds. Yet, achieving such upcycling without introducing carbon dioxide…

Applied Physics · Physics 2024-01-17 Yuexiang Sun , Xin Ma , Qiao Gu , Ping Gao

With the recent world-wide COVID-19 pandemic, using face masks have become an important part of our lives. People are encouraged to cover their faces when in public area to avoid the spread of infection. The use of these face masks has…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Aqeel Anwar , Arijit Raychowdhury

Sleep apnea is a syndrome that is characterized by sudden breathing halts while sleeping. One of the common treatments involves wearing a mask that delivers continuous air flow into the nostrils so as to maintain a steady air pressure.…

Graphics · Computer Science 2016-09-23 Matan Sela , Nadav Toledo , Yaron Honen , Ron Kimmel

Respirators provide protection from inhalation exposure to dangerous substances, such as chemicals and infectious particles, including SARS-Covid-laden droplets and aerosols. However, they are prone to exposure to stale air as the masks…

Fluid Dynamics · Physics 2023-05-17 Hana Salati , Patrick Warfield-McAlpine , David F Fletcher , Kiao Inthavong

Coronavirus or COVID-19, which has been declared pandemic by the World Health Organization, has incurred huge losses to the lives of people throughout the world. Although, the scientists, researchers and doctors are working round the clock…

Social and Information Networks · Computer Science 2020-12-15 Shibli Nisar , Syed Muhammad Ali Zuhaib , Abasin Ulasyar , Muhammad Tariq

We present a viable prototype of a simple mechanical ventilator intended as a last resort to ventilate COVID-19 patients. The prototype implements the pressure-controlled continuous mandatory ventilation mode (PC-CMV) with settable…

Much of the science underpinning the global response to the COVID-19 pandemic lies in the soft matter domain. Coronaviruses are composite particles with a core of nucleic acids complexed to proteins surrounded by a protein-studded lipid…

This paper provides a unique and to the best of our knowledge first-of-a-kind attempt to develop chemical processes that may contribute to the volume reduction of SMR TRISO-based fuels and aims at the eventual ability to reprocess the spent…

Chemical Physics · Physics 2025-05-21 Tobias Chemnitz , Christian Reiter , Florian Kraus , David Novog

The floating zone technique is a well-established single crystal growth method in materials research, able to produce volumetrically large specimens with extremely high purities. However, traditional furnace designs have relied on heating…

Materials Science · Physics 2019-04-25 Julian L. Schmehr , Michael Aling , Eli Zoghlin , Stephen D. Wilson

The end of 2019 witnessed the outbreak of Coronavirus Disease 2019 (COVID-19), which has continued to be the cause of plight for millions of lives and businesses even in 2020. As the world recovers from the pandemic and plans to return to a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Amit Chavda , Jason Dsouza , Sumeet Badgujar , Ankit Damani

Oxygen plasma is a widely used treatment to change the surface properties of organic layers. This treatment is particularly interesting to enable the deposition from solution of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)…

We demonstrate spin pumping, i.e. the generation of a pure spin current by precessing magnetization, without application of microwave radiation commonly used in spin pumping experiments. We use femtosecond laser pulses to simultaneously…

The effect of masking the general population on a COVID-19 epidemic is estimated by computer simulation using two separate state-of-the-art web-based softwares, one of them calibrated for the SARS-CoV-2 virus. The questions addressed are…

Populations and Evolution · Quantitative Biology 2020-06-30 Bjorn Johansson

Since the first case of COVID-19 disease in Wuhan in December 2019, there is a worldwide struggle to reduce the transmission of acute respiratory syndrome coronavirus SARS-CoV-2. Many countries worldwide decided to impose local lockdowns in…

Other Quantitative Biology · Quantitative Biology 2022-08-09 Daniela Dobrynin , Iryna Polishchuk , Boaz Pokroy

As humanity struggles to contain the global Covid-19 infection, prophylactic actions are grandly slowed down by the shortage of testing kits. Governments have taken several measures to work around this shortage: the FDA has become more…

Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. It is similar to influenza viruses and raises concerns through alarming levels of spread and severity resulting in an ongoing pandemic…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-01 Adarsh Kumar , Kriti Sharma , Harvinder Singh , Sagar Gupta Naugriya , Sukhpal Singh Gill , Rajkumar Buyya