Results 21 to 30 of about 1,976,048 (358)

Influence on surface characteristics generated in Low Frequency Vibration Cutting

open access: yesNihon Kikai Gakkai ronbunshu, 2020
LFV is one of effective machining technologies to break long and continuous chips in the turning process. LFV technology stands for low frequency vibration cutting. Vibration in the tool feed direction is applied in LFV and it is synchronously controlled
Akihito MIYAKE   +8 more
doaj   +1 more source

New records of the invasive species Megachile sculpturalis, Smith, 1853 in Ukraine

open access: yesБіологічні студії, 2022
Background. Biological invasions are one of the recognized causes leading to the loss of native diversity. Among wild bees in Europe, only three invasive species are known, one of them being Megachile (Callomegachile) sculpturalis Smith, 1853 ...
M. Mulenko   +4 more
doaj   +1 more source

Post-traumatic giant thrombosis of inferior vena cava induced right-sided blunt traumatic diaphragmatic injury: a case report

open access: yesSurgical Case Reports, 2023
Background Inferior vena cava thrombosis is a severe disease as it carries a higher risk of developing pulmonary embolism associated with a high mortality rate.
Shota Maezawa   +3 more
doaj   +1 more source

Designing citizen science tools for learning: lessons learnt from the iterative development of nQuire [PDF]

open access: yes, 2018
This paper reports on a 4-year research and development case study about the design of citizen science tools for inquiry learning. It details the process of iterative pedagogy-led design and evaluation of the nQuire toolkit, a set of web-based and mobile
A Anastopoulou   +32 more
core   +1 more source

Fine-scale dynamics of fragmented aurora-like emissions [PDF]

open access: yesAnnales Geophysicae, 2021
Fragmented aurora-like emissions (FAEs) are small (few kilometres) optical structures which have been observed close to the poleward boundary of the aurora from the high-latitude location of Svalbard (magnetic latitude 75.3 ∘N). The FAEs are only visible
D. K. Whiter   +12 more
doaj   +1 more source

Citizen Science and Biological Invasions: A Review

open access: yesFrontiers in Environmental Science, 2021
Biological invasions are among the most challenging ecological and conservation riddles of our times. Fortunately, citizen science projects became a valuable tool to detect non-indigenous species (NIS), document their spread, prevent dispersion, and ...
J. Encarnação, M. Teodósio, P. Morais
semanticscholar   +1 more source

Endovascular treatment for a ruptured lumbar artery aneurysm in a patient with neurofibromatosis type 1

open access: yesJournal of Vascular Surgery Cases and Innovative Techniques, 2023
The present medical case report describes successful endovascular treatment via stent graft and coil packing for a ruptured lumbar artery aneurysm in a 55-year-old woman with neurofibromatosis type 1.
Ken Tsuchida, MD, PhD   +4 more
doaj   +1 more source

Training or Improvisation? Citizen journalists and their educational backgrounds-a comparative view [PDF]

open access: yes, 2016
While citizen journalists hope to bring new impulses to mass media performance, it is often asked whether they are adequately trained for the production of “newsworthy” stories.
Eberwein, T.   +3 more
core   +1 more source

American Gut: an Open Platform for Citizen Science Microbiome Research

open access: yesmSystems, 2018
We show that a citizen science, self-selected cohort shipping samples through the mail at room temperature recaptures many known microbiome results from clinically collected cohorts and reveals new ones.
Daniel McDonald   +57 more
semanticscholar   +1 more source

The Science of Citizen Science

open access: yesProceedings of the Nova Scotian Institute of Science (NSIS), 2021
N ...
K. Vohland   +7 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy