Results 11 to 20 of about 1,307,402 (399)
Ciencias Marinas, 2009 Four-day-old postlarvae of the abalone Haliotis corrugata were exposed to different diatom densities (Navicula incerta, 0 to 8000 cells mm–2) under two illumination conditions: constant light (19–21 µmol quanta m–2 s–1) and darkness. The effect of these
E Gorrostieta-Hurtado +4 more
exaly +3 more sources
Physical Review D, 2021 A new $U(1)$ dark gauge group coupled to the Standard Model (SM) via the kinetic mixing portal provides a natural dark matter candidate in the form of the Higgs field, $h_d$, responsible for generating the mass of the dark photon, $ _d$. We show that the condition $m_{h_d}\leq m_{ _d}$, together with smallness of the kinetic mixing parameter ...
Maxim Pospelov +4 more
openaire +3 more sources
A n Exegetical Analysis of the Darkness of Mu’min and the Light of Kafir in Surah al-Baqarah [PDF]
پژوهشهای تفسیر تطبیقی, 2020 Received: 25/06/2019 | Accepted: 30/08/2019 The 257th verse of Surah al-Baqarah is one of controversial verses in the Quran which mentions “bringing Mu’minin (believers) out from darkness into the light” and “taking Kafirin (disbelievers) out of the ...
Siyid Muhammad Musavi Muqaddam +3 more
doaj +1 more source
Ecology and Society, 2021 Artificial light at night (ALAN) is nowadays recognized as a major anthropogenic pressure on the environment on a global scale and as such is called light pollution.
Samuel Challéat +8 more
doaj +1 more source
Plants, 2021 7-hydroxymethyl chlorophyll (Chl) a reductase (HCAR) plays critical roles in the Chl cycle and degradation during leaf senescence, however, its function in horticultural crops remains unknown.
Weikang Liu +6 more
doaj +1 more source
Dark matter and dark radiation [PDF]
Physical Review D, 2009 14 pages, 6 figures Updated equations and ...
Ackerman, Lotty +3 more
openaire +6 more sources
Dark Atoms and Dark Radiation [PDF]
Advances in High Energy Physics, 2014 K.Belotsky1,2, J.-R. Cudell3, M. Khlopov1,2,4, C. Kouvaris5 1 National Research Nuclear University MEPHI (Moscow Engineering Physics Institute), 115409 Moscow, Russia 2 Centre for Cosmoparticle Physics ”Cosmion” 115409 Moscow, Russia 3 IFPA, Dep. AGO, Universite de Liege, Sart Tilman, 4000 Liege, Belgium 4 APC laboratory 10, rue Alice Domon et Leonie ...
Maxim Khlopov +3 more
openaire +3 more sources
Temporal dynamics of cholinergic activity in the septo-hippocampal system
Frontiers in Neural Circuits, 2022 Cholinergic projection neurons in the medial septum and diagonal band of Broca are the major source of cholinergic modulation of hippocampal circuit functions that support neural coding of location and running speed. Changes in cholinergic modulation are
Jeffrey D. Kopsick +10 more
doaj +1 more source
Frontiers in Ecology and Evolution, 2022 Caves in temperate regions are characterized by food scarcity compared to surface habitats. Therefore, hypotheses on adaptation to cave life suggest that many characteristics, such as resistance to starvation, reduced energy demand, and increased food ...
Olivier Guillaume
doaj +1 more source
Nonlinear Cosmogony of “Black Mirror”: Darkness as a Symbol of a Distorted Chronotope in the Futuristic Netflix Series [PDF]
Философия и космология, 2020 The article is devoted to the study of the symbolic significance of light and darkness in the life of modern humanity. In order to analize this problem, the author turned to “Black Mirror”, a sciencefiction anthology released by Netflix company.
Anhelina Anhelova
doaj +1 more source