Results 21 to 30 of about 22,231,004 (383)

COVID-19 (Coronavirus) Pandemic: Information Sources Channels for the Public Health Awareness

open access: yesAsia-Pacific journal of public health, 2020
The main purpose of this paper is to highlight the important information sources of the Public Health awareness used by the library and information sources in this Pandemic situation.
Muhammad Yousuf Ali, R. Bhatti
semanticscholar   +1 more source

Design and analysis of the output windows of a doorknob structure for high-power P-band klystron

open access: yesAIP Advances, 2022
This article presents the design, analysis, and simulation for the klystron coaxial radio frequency (RF) output windows. Three new RF windows (Type-2, 3, and 4) are proposed based on the coaxial RF window with a doorknob structure (Type-1) to improve its
Quangui Chao   +4 more
doaj   +1 more source

Discharge Performance of the Non-rechargeable Lithium-air Batteries with a Waterproof and Breathable Film in an Open Environment

open access: yesElectrochemistry, 2022
Due to its high energy density, lithium-air battery has been one of the research hotspots. However, there are still many issues that need to be addressed, especially when working in an open environment.
Xiaohua XIE   +3 more
doaj   +1 more source

Simulation of a multistage depressed collector with secondary electron emission for a MW-class gyrotron at 170 GHz

open access: yesAIP Advances, 2021
This paper presents the simulation results of a multistage depressed collector for a MW-class gyrotron. The energy distribution of spent electrons is obtained by a beam–wave interaction code.
Kai Wang   +4 more
doaj   +1 more source

High circadian stimulus lighting therapy for depression: Meta-analysis of clinical trials

open access: yesFrontiers in Neuroscience, 2022
Although bright light therapy (BLT) has been widely used in the clinical treatment of depression, the antidepressant effect of BLT is not well understood.
Li Zhou   +9 more
doaj   +1 more source

On combining information from multiple gravitational wave sources [PDF]

open access: yes, 2019
In the coming years, advanced gravitational wave detectors will observe signals from a large number of compact binary coalescences. The majority of these signals will be relatively weak, making the precision measurement of subtle effects, such as ...
Chatziioannou, Katerina   +2 more
core   +2 more sources

Theoretical analysis of a 0.22 THz multistage confocal waveguide gyro-TWT with circle-sector-shaped electron beam

open access: yesAIP Advances, 2021
In order to improve the beam–wave interaction efficiency, a special circle-sector-shaped electron beam is designed and simulated in the confocal waveguide gyrotron traveling-wave tube (gyro-TWT).
Jie Yang   +3 more
doaj   +1 more source

How young children integrate information sources to infer the meaning of words

open access: yesNature Human Behaviour, 2020
Before formal education begins, children typically acquire a vocabulary of thousands of words. This learning process requires the use of many different information sources in their social environment, including their current state of knowledge and the ...
Manuel Bohn   +3 more
semanticscholar   +1 more source

Intelligent search for distributed information sources using heterogeneous neural networks [PDF]

open access: yes, 2003
As the number and diversity of distributed information sources on the Internet exponentially increase, various search services are developed to help the users to locate relevant information.
F. Crestani   +6 more
core   +1 more source

Study the Effect of eHMI Projection Distance and Contrast on People Acceptance in Blind-Spot Detection Scenario

open access: yesApplied Sciences, 2022
External human-machine interaction (eHMI) road projections are a new feature for automotive lighting to improve vehicle communication with other road users. These modalities are used to draw users’ attention and awareness to specific situations. However,
Ali Hassan Shah   +2 more
doaj   +1 more source

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