Results 91 to 100 of about 19,815 (204)

Sulfur hexafluoride - A powerful new atmospheric tracer [PDF]

open access: yes, 1996
Long-term observations of the atmospheric trace gas sulfur hexafluoride (SF6) at four background monitoring stations, Neumayer, Antarctica (1986-1994), Cape Grim, Tasmania (1978-1994), Izana, Canary Islands (1991-1994) and Alert, Canada (1993-1994) are ...
Francey, Roger   +6 more
core   +1 more source

Development Status and Future Prospects of Eco-Friendly Insulating Gases in New Power Systems [PDF]

open access: yesE3S Web of Conferences
Sulfur hexafluoride (SF6), widely used as an insulating gas in power systems due to its excellent insulation and arc-quenching properties, has significant greenhouse effects, posing constraints on the development of new power systems.
Xu Zhengjie, Liu Wei, Hang Chen, Cao Jun
doaj   +1 more source

Idiopathic full thickness macular hole in a 10-year-old girl

open access: yesInternational Journal of Retina and Vitreous, 2018
Background Macular holes in children are generally associated with trauma. Case presentation We report the first case of an idiopathic full thickness macular hole in a 10-year-old girl.
Li-Anne S. Lim   +4 more
doaj   +1 more source

Azimuthal diffusion of the large-scale-circulation plane, and absence of significant non-Boussinesq effects, in turbulent convection near the ultimate-state transition

open access: yes, 2016
We present measurements of the orientation $\theta_0$ and temperature amplitude $\delta$ of the large-scale circulation in a cylindrical sample of turbulent Rayleigh-Benard convection (RBC) with aspect ratio $\Gamma \equiv D/L = 1.00$ ($D$ and $L$ are ...
Ahlers, Guenter   +2 more
core   +1 more source

Going underground [PDF]

open access: yes, 2009
Malta has a serious nitrate pollution problem. But where is it all coming from?
Stuart, Marianne
core  

Experimental investigation of the spectral emission characteristics of argon-tungsten and argon-uranium induction heated plasmas [PDF]

open access: yes
Spectral emission characteristics of gaseous tungsten and uranium in induction heated argon ...
Krascella, N. L.   +2 more
core   +1 more source

NON-INVASIVE DEVICE AND METHOD FOR THE DIAGNOSIS OF PULMONARY VASCULAR OCCLUSIONS [PDF]

open access: yes, 2005
The invention involves a device and method for ascertaining the functioning of the respiratory system and determining whether a pulmonary embolism is present.
Kline, Jeffrey A.
core  

Air-tightness evaluation in thoracic surgery with use of laser optical-acoustic spectroscopy

open access: yesActa Biomedica Scientifica, 2013
The simple and effective method of the leakage test in thoracic surgery using laser photo-acoustic leak detector «LaserGasTest» was suggested and tested in experiment on mongrels.
E. B. Topolnitskiy   +4 more
doaj  

Vitrectomy with sulfur hexafluoride versus air tamponade for idiopathic macular hole: a retrospective study. [PDF]

open access: yesBMC Ophthalmol, 2023
Yao Y   +8 more
europepmc   +1 more source

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