Results 31 to 40 of about 766,816 (270)

Millisecond and Binary Pulsars as Nature's Frequency Standards. II. Effects of Low-Frequency Timing Noise on Residuals and Measured Parameters [PDF]

open access: yes, 1998
Pulsars are the most stable natural frequency standards. They can be applied to a number of principal problems of modern astronomy and time-keeping metrology. The full exploration of pulsar properties requires obtaining unbiased estimates of the spin and
Kopeikin, Sergei M.
core   +4 more sources

Global Sensitivity Analysis of the SCOPE Model in Sentinel-3 Bands: Thermal Domain Focus

open access: yesRemote Sensing, 2019
Sentinel-3 satellite has provided simultaneous observations in the optical (visible, near infrared (NIR), shortwave infrared (SWIR)) and thermal infrared (TIR) domains since 2016, with a revisit time of 1−2 days.
Egor Prikaziuk, Christiaan van der Tol
doaj   +1 more source

The management of tubo-ovarian abscesses associated with appendicitis

open access: yesJournal of Mind and Medical Sciences, 2021
A relatively uncommon medical complication, the tubo-ovarian abscess (TOA) can result from ascending pelvic infection in the female genital tract. The paper aims at exploring the characteristics of patients with TOA and at comparing the outcomes of the ...
Lucian Serbanescu   +4 more
doaj   +1 more source

An indoor localization technique based on ultra-wideband AoD/AoA/ToA estimation [PDF]

open access: yes, 2016
P
Gaillot, Davy P.   +7 more
core   +2 more sources

The erosion of ambiguity tolerance and sustainment of perfectionism in undergraduate medical training: results from multiple samplings of a single cohort

open access: yesBMC Medical Education, 2020
Background Medicine is a field that is simultaneously factual and ambiguous. Medical students have their first exposure to full time clinical practice during clerkship.
Silvio Ndoja   +3 more
doaj   +1 more source

Motion of Floating Caisson with Extended Bottom Slab under Regular and Irregular Waves

open access: yesJournal of Marine Science and Engineering, 2021
Floating caissons may oscillate primarily due to ocean waves during towing operations. Reducing the oscillation based on the extension part (footing) of the bottom slab of the caissons can efficiently increase the safety of towing maneuvers. However, the
Tomoaki Nakamura   +5 more
doaj   +1 more source

Positioning of High-speed Trains using 5G New Radio Synchronization Signals [PDF]

open access: yes, 2018
We study positioning of high-speed trains in 5G new radio (NR) networks by utilizing specific NR synchronization signals. The studies are based on simulations with 3GPP-specified radio channel models including path loss, shadowing and fast fading effects.
Koivisto, Mike   +5 more
core   +2 more sources

Involvement of Adenosine A2a Receptor in Intraocular Pressure Decrease Induced by 2-(1-Octyn-1-yl)adenosine or 2-(6-Cyano-1-hexyn-1-yl)adenosine

open access: yesJournal of Pharmacological Sciences, 2005
The aim of the present study is to clarify the mechanism for the decrease in intraocular pressure by 2-alkynyladenosine derivatives in rabbits. The receptor binding analysis revealed that 2-(1-octyn-1-yl)adenosine (2-O-Ado) and 2-(6-cyano-1-hexyn-1-yl ...
Takashi Konno   +5 more
doaj   +1 more source

Numerical analysis on coaxial one-side resistance spot welding of Al5052 and CFRP dissimilar materials

open access: yesMaterials & Design, 2020
Carbon fiber reinforced plastic (CFRP) is a prospective lightweight material in automobile industry. However, joining metal and CFRP is a great challenge.
Sendong Ren   +4 more
doaj   +1 more source

Toku toa, he toa rangatira: Fearlessness and Indigenous Scholarship

open access: yesLink Symposium Abstracts 2020, 2020
A well-known whakataukī (aphorism, proverb) tells us toku toa, he toa rangatira, quite literally ‘my courage is inherited’. Wairaka is known as an impressive young wahine from pre-colonial times who, in the face of a life or death situation, stood up to adversity to supersede an important, long held tikanga Māori (protocol) to save the Ngāti Awa iwi ...
openaire   +2 more sources

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