Results 31 to 40 of about 1,345,046 (291)

A case of penile strangulation after placement of metallic rings

open access: yesUrology Annals, 2018
Penile strangulation following placement of metallic rings is a rare clinical entity that needs urgent attention to avoid potentially severe clinical consequences.
Iraklis C Mitsogiannis   +3 more
doaj   +1 more source

Lepidoptera Recorded From the Islands of Western Lake Erie, With a Brief Account of Geology and Flora [PDF]

open access: yes, 2017
A list of Lepidoptera from the islands of western Lake Erie is presented along with a brief account of the geology, flora, and human activities in the area. The checklist contains 169 species representing 27 families.
Horns, David J   +2 more
core   +2 more sources

GROSSLY AND MICROSCOPIC STUDY OF THE TRACHEA AND BRONCHIAL TREE IN THE LOCAL SHEEP ( OVIS ARIS). [PDF]

open access: yesBasrah Journal of Veterinary Research, 2015
The trachea of the local sheep is a tubular structure that begins at the cricoid cartilage of the larynx and ends when it bifurcates to form the principle bronchi, composed of series of incomplete rings that were incomplete dorsally ...
Saffia Kareem Wally Al- Umeri
doaj   +1 more source

Check List of Identified Lepidoptera Collected at Mud Lake State Nature Preserve, Williams County, Ohio [PDF]

open access: yes, 2018
A total of 696 species ofLepidoptera is reported from the Mud Lake State Nature Preserve, Williams County, Ohio. This preserve is only a few miles from both the Indiana and Michigan state borders.
Rings, Roy W
core   +3 more sources

INTERCHANGE RINGS [PDF]

open access: yesJournal of the Australian Mathematical Society, 2016
An interchange ring,$(R,+,\bullet )$, is an abelian group with a second binary operation defined so that the interchange law$(w+x)\bullet (y+z)=(w\bullet y)+(x\bullet z)$ holds. An interchange near ring is the same structure based on a group which may not be abelian.
openaire   +3 more sources

Scythian Bracelets and Rings with Protrusions from the Cemetery Near Glinoe Village

open access: yesНижневолжский археологический вестник, 2021
The article examines bracelets and rings of the La-Tene style from Scythian burials of the cemetery near the Glinoe village, Slobozeya district, on the left bank of the Dniester. Bracelets were found in three burials belonging to different kurgan groups (
Svetlana S. Lysenko
doaj   +1 more source

Dynamic Concentric Rings Infrastructure for Efficient Communications in Wireless Sensor Networks

open access: yesIEEE Access, 2016
The design of wireless sensor networks (WSNs) has a new paradigm that implies a separation of the underlying communication functionalities from the upper-layer protocols with the goal of leveraging the reusability of protocols.
Sonia Hashish
doaj   +1 more source

UNJ-Rings

open access: yesJournal of Algebra and Its Applications, 2019
In analogy to the elementwise definitions of UU- and UJ-rings, a ring [Formula: see text] is called UNJ if [Formula: see text]. After presenting several characterizations and properties, we consider the UNJ-rings within many well-studied classes of rings.
Kosan, M. Tamer   +2 more
openaire   +4 more sources

Rings of rings: calixpyrrole cyclotrimers

open access: yesArkivoc, 2021
Los calixpirroles son una clase de heteromacrociclos que han sido un tema de considerable interés en las últimas dos décadas debido a su rica química huésped-huésped como receptores de aniones. Se han informado varias estructuras que comprenden más de una unidad de calixpirrol como receptores multitópicos y multivalentes.
Rakia Saidi   +4 more
openaire   +2 more sources

Vertex rings and their Pierce bundles

open access: yes, 2017
In part I we introduce vertex rings, which bear the same relation to vertex algebras (or VOAs) as commutative, associative rings do to commutative, associative algebras over the complex numbers.
Mason, Geoffrey
core   +1 more source

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