Results 11 to 20 of about 1,746,399 (312)

Electromagnetic compatibility of passive and active channels of integration radar systems [PDF]

open access: yesРадиофизика и электроника, 2020
Subject and Purpose. The paper is devoted to the noise immunity problem of the receiving channel of the radiometer as part of an integration passive-active radar system.
I.M. Mytsenko, Yu.A. Pedenko
doaj   +1 more source

State-investor disputes connected to foreign investments in the nuclear energy sector: A review of the two cases arising under the energy charter treaty [PDF]

open access: yesZbornik Radova: Pravni Fakultet u Novom Sadu, 2011
The idea of foreign investments in nuclear energy sector is relatively new. Foreign investors were for a long time denied an opportunity to invest in the sector which was considered to be too sensitive for reasons of safety and security.
Stanivuković Maja
doaj   +1 more source

Abrasiveness and whitening effect of charcoal-containing whitening toothpastes in permanent teeth.

open access: yesDental Research Journal, 2021
Background: Charcoal toothpastes can whiten teeth through abrasion. The purpose of this study was to determine the level of whitening and abrasiveness of charcoal toothpastes in permanent teeth. Materials and Methods: In this in vitro study, 30 premolars
M. F. Ghajari   +3 more
semanticscholar   +1 more source

Is telomere length socially patterned? Evidence from the West of Scotland Twenty-07 study [PDF]

open access: yes, 2012
Lower socioeconomic status (SES) is strongly associated with an increased risk of morbidity and premature mortality, but it is not known if the same is true for telomere length, a marker often used to assess biological ageing. The West of Scotland Twenty-
A Aviv   +67 more
core   +12 more sources

The comparability of English, French and Dutch scores on the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F): an assessment of differential item functioning in patients with systemic sclerosis. [PDF]

open access: yesPLoS ONE, 2014
The Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) is commonly used to assess fatigue in rheumatic diseases, and has shown to discriminate better across levels of the fatigue spectrum than other commonly used measures. The aim of this
Linda Kwakkenbos   +7 more
doaj   +1 more source

Health-related heterogeneity in brain aging and associations with longitudinal change in cognitive function

open access: yesFrontiers in Aging Neuroscience, 2023
IntroductionNeuroimaging-based ‘brain age’ can identify individuals with ‘advanced’ or ‘resilient’ brain aging. Brain-predicted age difference (brain-PAD) is predictive of cognitive and physical health outcomes.
Jo Wrigglesworth   +18 more
doaj   +1 more source

The effect of Holstein-Friesian, Jersey × Holstein-Friesian, and Norwegian Red × (Jersey × Holstein-Friesian) cows on dry matter intake and production efficiencies in pasture-based systems

open access: yesJournal of Dairy Science, 2022
: The objective of this study was to investigate the effect of cow genotype and parity on dry matter intake (DMI) and production efficiencies in pasture-based systems.
B. McClearn   +7 more
doaj   +1 more source

The academic backbone: longitudinal continuities in educational achievement from secondary school and medical school to MRCP(UK) and the specialist register in UK medical students and doctors [PDF]

open access: yes, 2013
Background: Selection of medical students in the UK is still largely based on prior academic achievement, although doubts have been expressed as to whether performance in earlier life is predictive of outcomes later in medical school or post-graduate ...
A Elder   +55 more
core   +1 more source

Effect of Cannabidiol and Δ9-Tetrahydrocannabinol on Driving Performance: A Randomized Clinical Trial.

open access: yesJournal of the American Medical Association (JAMA), 2020
Importance Cannabis use has been associated with increased crash risk, but the effect of cannabidiol (CBD) on driving is unclear. Objective To determine the driving impairment caused by vaporized cannabis containing Δ9-tetrahydrocannabinol (THC) and ...
T. Arkell   +5 more
semanticscholar   +1 more source

Robustness of the European power grids under intentional attack [PDF]

open access: yes, 2007
The power grid defines one of the most important technological networks of our times and sustains our complex society. It has evolved for more than a century into an extremely huge and seemingly robust and well understood system. But it becomes extremely
B. A. Carreras   +10 more
core   +4 more sources

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