Results 31 to 40 of about 5,350,859 (283)

Constraining dark matter through 21-cm observations [PDF]

open access: yes, 2007
Beyond reionization epoch cosmic hydrogen is neutral and can be directly observed through its 21 cm line signal. If dark matter (DM) decays or annihilates the corre- sponding energy input affects the hydrogen kinetic temperature and ionized fraction, and
M. Valdes   +3 more
semanticscholar   +1 more source

Sebaran Sampah Pantai di Pulau Timor, Nusa Tenggara Timur: Kajian pada Pantai Rekreasi

open access: yesJurnal Wilayah dan Lingkungan, 2021
Beach debris is an increasingly important issue to study considering its negative impact on the terrestrial and marine environment. This research aims to examine the distribution of beach debris in Timor Island as a basis for managing and overcoming ...
Lumban Nauli Lumban Toruan   +2 more
doaj   +1 more source

Characterizing College Science Assessments: The Three-Dimensional Learning Assessment Protocol [PDF]

open access: yes, 2016
Citation: Laverty, J. T., Underwood, S. M., Matz, R. L., Posey, L. A., Carmel, J. H., Caballero, M. D., . . . Cooper, M. M. (2016). Characterizing College Science Assessments: The Three-Dimensional Learning Assessment Protocol. Plos One, 11(9), 21.
Caballero, M. D.   +9 more
core   +3 more sources

Exploring mechanisms responsible for tidal modulation in flow of the Filchner–Ronne Ice Shelf [PDF]

open access: yesThe Cryosphere, 2020
An extensive network of GPS sites on the Filchner–Ronne Ice Shelf and adjoining ice streams shows strong tidal modulation of horizontal ice flow at a range of frequencies.
S. H. R. Rosier, G. H. Gudmundsson
doaj   +1 more source

Stronghold, and Its Hinterland on the Basis of Klenica Settlement Complex, Lubuskie Voivodeship

open access: yesFasciculi Archaeologiae Historicae, 2022
The early medieval fortified settlement in Klenica is located on the right bank of the Oder River, on the left side of the roadlea ding from Bojadła towards Klenica. The stronghold and its open suburb settlements boast a rich history of studies.
Bartłomiej Gruszka
doaj   +1 more source

Unconventional fermions: The Price of Quark-Lepton Unification at TeV Scales

open access: yes, 2004
The early petite unification (PUT) of quarks and leptons at TeV scales with sin^2 theta_W(M^2_Z) used as a constraint, necessitates the introduction of extra quarks and leptons with unconventional electric charges (up to 4/3 for the quarks and 2 for the ...
Chacko Z., P. Q. HUNG
core   +3 more sources

Feelings, Thoughts, and Behaviors During Disaster

open access: yesQualitative Health Research, 2020
Thoughts, feelings, and behaviors during traumatic events, that is, peritraumatic reactions, are key to post-trauma psychopathology development. Qualitative research is required to investigate whether existing quantitative methods capture the range and ...
A. Massazza, C. Brewin, H. Joffe
semanticscholar   +1 more source

Pancake Flipping is Hard [PDF]

open access: yes, 2011
Pancake Flipping is the problem of sorting a stack of pancakes of different sizes (that is, a permutation), when the only allowed operation is to insert a spatula anywhere in the stack and to flip the pancakes above it (that is, to perform a prefix ...
Bulteau, Laurent   +2 more
core   +5 more sources

Long-term sea-level rise necessitates a commitment to adaptation: A first order assessment

open access: yesClimate Risk Management, 2021
Without adaptation, sea-level rise (SLR) will put more people at risk of flooding. This requires a timely and adequate commitment to adaptation. In this paper, we show how adaptation needs to unfold over time to manage climate-induced SLR. We use a novel
Marjolijn Haasnoot   +5 more
doaj   +1 more source

Measurement of early maladaptive schemas in heroin addicts treated with methadone in north of Morocco

open access: yesEuropean Journal of Investigation in Health, Psychology and Education, 2018
The Early Maladaptive Schema (EMS) are the cognitive structures and the set of processes guiding our behaviors by serving the filtering and the treatment of the information, these dysfunctional schemas have a close relationship with the additive ...
Semlali Wafae Idrissi   +5 more
doaj   +1 more source

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