Results 101 to 110 of about 740,856 (310)

Experimental modelling of lightning interaction phenomena with a free potential conducting objects [PDF]

open access: yes
Laboratory experiments were conducted to investigate the physical processes of the development of air discharge and its interaction with free potential conducting objects.
Chernov, E. N.   +2 more
core   +1 more source

Discharge voltage prediction of UHV AC transmission line–tower air gaps by a machine learning model

open access: yesThe Journal of Engineering, 2019
Full-scale discharge tests of transmission line–tower air gaps are costly and time-consuming, and they cannot exhaustively simulate all the gap configurations in practical engineering. In this paper, a machine learning model established by support vector
Zhibin Qiu   +4 more
doaj   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Constitutive parameter de-embedding using inhomogeneously-filled rectangular waveguides with longitudinal section modes [PDF]

open access: yes
Constitutive parameter extraction from S parameter data using a rectangular waveguide whose cross section is partially filled with a material sample as opposed to being completely filled was examined.
Dominek, A. K., Park, A.
core   +1 more source

Measuring wheel/rail contact stresses using ultrasound [PDF]

open access: yes, 2004
The investigation of contact area and pressure distribution in a wheel/rail contact is essential information required in fatigue and wear calculations to determine design life, regrinding requirements, and maintenance schedules.
Bjorklund, S.   +4 more
core  

Dapagliflozin prevents methylglyoxal‐induced retinal cell death in ARPE‐19 cells

open access: yesFEBS Open Bio, EarlyView.
Diabetic macular oedema is a diabetes complication of the eye, which may lead to permanent blindness. ARPE‐19 are human retinal cells used to study retinal diseases and potential therapeutics. Methylglyoxal is a compound increased in uncontrolled diabetes due to elevated blood glucose.
Naina Trivedi   +7 more
wiley   +1 more source

Novel dual single sided silicon strip detector chip for radiotherapy verification [PDF]

open access: yes, 2013
A novel dual single sided silicon strip detector (SSSSD) chip was designed to meet clinical requirements in radiotherapy verification. An available design from Micron Semiconductor Ltd.
Abou-Haïdara, Z.   +10 more
core  

Air hydrodynamics of the ultrafast laser-triggered spark gap

open access: yes, 2020
We present space and time resolved measurements of the air hydrodynamics induced by ultrafast laser pulse excitation of the air gap between two electrodes at high potential difference. We explore both plasma-based and plasma-free gap excitation.
Goffin, A.   +6 more
core   +2 more sources

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