Results 231 to 240 of about 3,117 (297)

Marine migration influences mercury accumulation in anadromous Arctic char (Salvelinus alpinus)

Journal of Fish Biology, EarlyView.
Abstract Mercury (Hg) is a globally distributed toxic metal present in northern natural environments that biomagnifies in food webs and bioaccumulates in apex predator fish, such as Arctic char (Salvelinus alpinus)—an iteroparous species with a circumpolar distribution. Arctic char exhibit a variety of life history types, with the migrating, anadromous
Isabel R. Hilgendag, Michael Power, Mehdi M. Aqdam, Christopher W. Lewis, Zoya Martin, Ashley D. Ehrman, Heidi K. Swanson   +6 more
wiley   +1 more source

Reversible bilateral central scotoma under scotopic conditions associated with oral semaglutide. [PDF]

Am J Ophthalmol Case Rep
Bracha P, Johnson W, Chu S, Davison J.
europepmc   +1 more source

Auxin response and PIN‐mediated transport in chlorophyte algae

Journal of Integrative Plant Biology, EarlyView.
Like multicellular plants, green algae respond to auxin and move it across their cells. However, their PIN‐like proteins do not act like plant auxin exporters, suggesting that basic auxin transport evolved early and specialized directional transport appeared later in plant evolution.
Adrijana Smoljan, Sarah Koutnik‐Abele, Dmitrii Vladimirtsev, Petr Klíma, Anita Bírošíková, Yuzhou Zhang, Jack Merrin, Maximilian Schuster, Katarina Kurtović, Ulrich Z. Hammes, Jan Petrášek, Jiří Friml   +11 more
wiley   +1 more source

Systematic rise in flight cancellations during space weather events. [PDF]

Sci Rep
Luo RD, Wang Y, Wei FS, Feng XS, Bo MH, Tang HW, Wang DS, Bian L, Wang BY, Li Z, Zuo PB, Jiang CW, Xu XJ, Zhou ZL, Tong YX, Gao D, Cao YX, Chen WQ.   +17 more
europepmc   +1 more source

Investigating Molybdenum and Tungsten Carbonyls as a Bridge between Elemental Chalcogens and CO: Formation of Carbonyl Sulfide and Selenium Complexes. [PDF]

Inorg Chem
Sherbow TJ, Smith HM, Li K, Zakharov LN, Pluth MD.   +4 more
europepmc   +1 more source

Children's Headache Through Drawings: A Narrative Review and a Portrait Gallery. [PDF]

Life (Basel)
Ferro F, Gaspari C, Manfrè G, Cernigliaro F, D'Agnano D, Panzica R, Correnti E, Ruta MR, Marchese F, Pitino R, Capizzi M, Santangelo G, Versace A, Sciruicchio V, Raieli V.   +14 more
europepmc   +1 more source

Partially coherent off-axis Gaussian beam scintillations

Journal of Modern Optics, 2010
The scintillation index at the receiver origin is formulated for a partially coherent off-axis Gaussian beam in atmospheric turbulence by employing the extended Huygens-Fresnel principle.
Yahya Baykal, Yangjian Cai, Halil T Eyyuboğlu   +2 more
exaly   +2 more sources

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Plastic scintillation dosimetry: optimal selection of scintillating fibers and scintillators.

Medical physics, 2005
Scintillation dosimetry is a promising avenue for evaluating dose patterns delivered by intensity-modulated radiation therapy plans or for the small fields involved in stereotactic radiosurgery. However, the increase in signal has been the goal for many authors.
Louis, Archambault, Jean, Arsenault, Luc, Gingras, A, Sam Beddar, René, Roy, Luc, Beaulieu   +5 more
openaire   +3 more sources

Scintillation and Inorganic Scintillators

2016
This chapter introduces the basic definitions and gives the minimum necessary information about the phenomenon of scintillation and the mechanisms which have to be taken into account for the development of scintillation materials. It starts with an historical brief and describes the sequence of the processes leading to scintillation in a dielectric ...
Paul Lecoq, Alexander Gektin, Mikhail Korzhik   +2 more
openaire   +1 more source

How scintillating is scintillation?

2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), 2019
Global Navigation Satellite Systems (GNSS), including the Global Positioning System (GPS), GLONASS and Galileo, support a wide range of civilian and military applications, and have become indispensable in precise positioning and time keeping. Ever-increasing dependence on space technologies pervades every area of our daily life like never before in ...
openaire   +1 more source