478 research outputs found
Self-Rated Mental Health, School Adjustment, and Substance Use in Hard-of-Hearing Adolescents
This survey, âLife and HealthâYoung People 2005,â included all 15/16-year-old adolescents in mainstream schools in the county of Ărebro, Sweden. Just students with a slight/mild or moderate hearing loss were included. There were 56 (1.9%) âhard-of-hearing (HH) students with multiple disabilities,â 93 (3.1%) students who were âjust HH,â 282 (9.7%) students with some âother disability than HH,â and 2,488 (85.2%) students with âno disability.â âHH with multiple disabilitiesâ reported considerably higher scores for mental symptoms, substance use, and school problems than the âno disabilityâ group. Those with âjust HHâ and those with âother disability than HHâ had more mental symptoms and school problems than the âno disabilityâ group but no significant differences in substance use. In conclusion, the combination of a hearing loss and some other disability strongly increases the risk for mental symptoms, school problems, and substance use. This group, thus, is an important target for preventive measures
Revisiting IoT definitions: A framework towards comprehensive use
This is the final version. Available on open access from Elsevier via the DOI in this record.âŻNew technologies constantly change the paradigm of how businesses will be run in the future. The Internet of Things (IoT) enables new business opportunities for data-driven transformation in organisations. The emergence of the IoT concept has resulted in numerous definitions, with earlier references primarily focussed on the technological aspects. This has hindered the broader diffusion of the term IoT as, arguably, the definitions do not integrate other non-technological elements of IoT and focus more on business and service provisions. To resolve this, our research identifies the most significant building blocks required in designing an IoT system. This is accomplished through a methodological review of 122 definitions and their consolidation into a novel definitional framework. The definitional framework unifies the traditional technology focus of the earlier definitions and integrates additional elements that are likely to increase the adoption of a comprehensive definition to support the development of future business applications. Furthermore, the framework serves as a reference set for scholarly societies and standards organisations who, in the future, can be tasked with formulating a definition of IoT, as has been the case with the NIST definition of Cloud Computing, which was preceded by several academic studies on defining the term.Business Finland for funding Future Electrified Mobile Machines (FEMMa
Sustainable Consumption : Political Economy of Sustainable Food
This book was written with the assistance of Maija Harju, Ruta Jumite, Juuso Kortelainen, Marianna Laine, Shreya Sood and Sonja SorriThe theoretical structure for this textbook and course were developed over the 2 years of the ATARCA project. We worked to develop a means to mitigate the environmental tragedy of the commons associated with climate change. We diagnosed that two problems to be solved are (1) the negligible impact each individual makes on the global atmospheric commons, and (2) the worry that others will not do their part in making sustainable choices. As well, individuals may not have perfect information about the impact of their consumptive choices. The introductory video is here: https://www.youtube.com/watch?v=PgBEQq0laKE&t=2
Shape coexistence at the proton drip-line: First identification of excited states in 180Pb
Excited states in the extremely neutron-deficient nucleus, 180Pb, have been
identified for the first time using the JUROGAM II array in conjunction with
the RITU recoil separator at the Accelerator Laboratory of the University of
Jyvaskyla. This study lies at the limit of what is presently achievable with
in-beam spectroscopy, with an estimated cross-section of only 10 nb for the
92Mo(90Zr,2n)180Pb reaction. A continuation of the trend observed in 182Pb and
184Pb is seen, where the prolate minimum continues to rise beyond the N=104
mid-shell with respect to the spherical ground state. Beyond mean-field
calculations are in reasonable correspondence with the trends deduced from
experiment.Comment: 5 pages, 4 figures, submitted to Phys.Rev.
First observation of excited states in 173Hg
The neutron-deficient nucleus 173Hg has been studied following
fusion-evaporation reactions. The observation of gamma rays decaying from
excited states are reported for the first time and a tentative level scheme is
proposed. The proposed level scheme is discussed within the context of the
systematics of neighbouring neutron-deficient Hg nuclei. In addition to the
gamma-ray spectroscopy, the alpha decay of this nucleus has been measured
yielding superior precision to earlier measurements.Comment: 5 pages, 4 figure
The Increase in the Primordial He-4 Yield in the Two-Doublet Four-Neutrino Mixing Scheme
We assess the effects on Big Bang Nucleosynthesis (BBN) of lepton number
generation in the early universe resulting from the two-doublet four-neutrino
mass/mixing scheme. It has been argued that this neutrino mass/mixing
arrangement gives the most viable fit to the existing data. We study full 4 x 4
mixing matrices and show how possible symmetries in these can affect the BBN
He-4 abundance yields. Though there is as yet no consensus on the reliability
of BBN calculations with neutrino flavor mixing, we show that, in the case
where the sign of the lepton number asymmetry is unpredictable, BBN
considerations may pick out specific relationships between mixing angles. In
particular, reconciling the observed light element abundances with a
\bar\nu_\mu \bar\nu_e oscillation interpretation of LSND would allow unique
new constraints on the neutrino mixing angles in this model.Comment: 12 pages, including 4 figures, to appear in Phys. Rev.
Further studies on relic neutrino asymmetry generation I: the adiabatic Boltzmann limit, non-adiabatic evolution, and the classical harmonic oscillator analogue of the quantum kinetic equations
We demonstrate that the relic neutrino asymmetry evolution equation derived
from the quantum kinetic equations (QKEs) reduces to the Boltzmann limit that
is dependent only on the instantaneous neutrino number densities, in the
adiabatic limit in conjunction with sufficient damping. An original physical
and/or geometrical interpretation of the adiabatic approximation is given,
which serves as a convenient visual aid to understanding the sharply
contrasting resonance behaviours exhibited by the neutrino ensemble in opposing
collision regimes. We also present a classical analogue for the evolution of
the difference in and number densities which, in the
Boltzmann limit, is akin to the behaviour of the generic reaction with equal forward and reverse reaction rate constants. A
new characteristic quantity, the matter and collision-affected mixing angle of
the neutrino ensemble, is identified here for the first time. The role of
collisions is revealed to be twofold: (i) to wipe out the inherent
oscillations, and (ii) to equilibrate the and number
densities in the long run. Studies on non-adiabatic evolution and its possible
relation to rapid oscillations in lepton number generation also feature, with
the introduction of an adiabaticity parameter for collision-affected
oscillations.Comment: RevTeX, 38 pages including 8 embedded figure
Identification of isomeric states in the N=73 neutron-deficient nuclei 132Pr and 130La
Decays from isomeric states in the neutron-deficient N=73 nuclei 132Pr and 130La have been observed for the first time. Half-lives of 486(70) ns and 2.46(4) Îźs were measured for two isomeric states in 132Pr. The decay from the 486 ns (8â) isomer has been interpreted as a hindered E1 transition from the bandhead state of the excited Ďh11/2âνg7/2 configuration. The decay from the 2.5 Îźs (8+) isomer is consistent with the Weisskopf estimate for a low-energy E2 transition. An analogous 0.74(3) Îźs decay from an (8+) isomer in the neighboring isotone 130La has also been observed which similarly can be explained if the transition has E2 character. The Weisskopf interpretation for the isomer hindrance is strengthened by the lack of evidence for shape or K isomerism due to the Îł-soft shapes predicted by configuration-constrained potential-energy-surface calculations
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