Results 11 to 20 of about 11,727 (261)

Immunohistochemical studies on infectious laryngotracheitis in the respiratory tract lesıons in naturally infected laying hens [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2017
In this study, naturally infected by Gallid Herpesvirus type-1 in laying hens to be diagnosed by pathological and PCR methods. Sixty pieces of hens were collected in coops from Central Anatolia region.
Orhan YAVUZ   +3 more
doaj   +1 more source

Death by massive air sac fluke (Trematoda: Bothriogaster variolaris) infection in a free-ranging snail kite (Rostrhamus sociabilis)

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2022
Helminths are not usually considered important pathogens for birds of prey. There is a single published report of mortality in raptors due to an air sac trematode infection.
Eduardo A. Díaz   +6 more
doaj   +1 more source

Atomic‐Level Interface Engineering for Boosting Oxygen Electrocatalysis Performance of Single‐Atom Catalysts: From Metal Active Center to the First Coordination Sphere

open access: yesAdvanced Science, 2023
Oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are the core reactions of a series of advanced modern energy and conversion technologies, such as fuel cells and metal–air cells.
Qizheng An   +6 more
doaj   +1 more source

Precise regulation of pyrrole‐type single‐atom Mn‐N4 sites for superior pH‐universal oxygen reduction

open access: yesCarbon Energy, 2021
The study of atomically dispersed metal‐nitrogen electrocatalysts is still limited in terms of understanding their catalytic mechanism because of the inability to precisely regulate the coordination number and type of N in combination with the metal ...
Lei Yan   +6 more
doaj   +1 more source

Perspectives on the Structure and Function of the Avian Respiratory System: Functional Efficiency Built on Structural Complexity

open access: yesFrontiers in Animal Science, 2022
Among the air-breathing vertebrates, regarding respiratory efficiency, the avian respiratory system rests at the evolutionary zenith. Structurally, it is separated into a lung that serves as a gas exchanger and air sacs that mechanically ventilate the ...
John N. Maina
doaj   +1 more source

Evidence for avian intrathoracic air sacs in a new predatory dinosaur from Argentina.

open access: yesPLoS ONE, 2008
BackgroundLiving birds possess a unique heterogeneous pulmonary system composed of a rigid, dorsally-anchored lung and several compliant air sacs that operate as bellows, driving inspired air through the lung.
Paul C Sereno   +5 more
doaj   +1 more source

Diplotriaena obtusa (Nematoda: Filariidae) infection in first-year Sylvia atricapilla from Poland – molecular evidence

open access: yesThe European Zoological Journal, 2021
Insectivorous birds are particularly vulnerable to nematodes with heteroxenous life cycles. Although there are many studies on bird filarioids, they mainly focus on economically important or pet bird species, and as a result, the species diversity of ...
A. Stanicka   +3 more
doaj   +1 more source

Recent Advances in Isolated Single-Atom Catalysts for Zinc Air Batteries: A Focus Review

open access: yesNanomaterials, 2019
Recently, zinc−air batteries (ZABs) have been receiving attention due to their theoretically high energy density, excellent safety, and the abundance of zinc resources.
Weimin Zhang   +3 more
doaj   +1 more source

Investigation and Field Measurements for Demand Side Management Control Technique of Smart Air Conditioners located at Residential, Commercial, and Industrial Sites

open access: yesEnergies, 2022
This paper investigates the response and characteristics of the narrowband power line communication (NB-PLC) technique for the effective control of electric appliances such as smart air conditioners (SACs) for demand side management (DSM) services.
Bilal Masood   +8 more
doaj   +1 more source

Subcuticular microstructure of the hornet's gaster: Its possible function in thermoregulation

open access: yesJournal of Nanobiotechnology, 2004
The present study set out to elucidate the structure and function of the large subcuticular air sacs encountered in the gaster of the Oriental hornet Vespa orientalis (Hymenoptera, Vespinae).
Neufeld Arnon   +3 more
doaj   +1 more source

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