Results 31 to 40 of about 320,689 (383)

Evolution and changes of the ancient Luanhe fluvial fan since the Quaternary in Tangshan, Hebei Province

open access: yesDizhi lixue xuebao, 2023
The study of the ancient Luanhe alluvial fan has focused more on the Holocene, and no systematic study has been conducted on its Pleistocene evolution and variation.
CHEN Hongqiang   +6 more
doaj   +1 more source

A Synthesis Method for Quaternary Quantum Logic Circuits [PDF]

open access: yesProgress in VLSI Design and Test Lecture Notes in Computer Science Volume 7373, 2012, pp 270-280, 2012
Synthesis of quaternary quantum circuits involves basic quaternary gates and logic operations in the quaternary quantum domain. In this paper, we propose new projection operations and quaternary logic gates for synthesizing quaternary logic functions.
arxiv   +1 more source

Late Quaternary history of Lammefjorden, north-west Sjælland, Denmark

open access: yesGEUS Bulletin, 2020
Lammefjorden is a reclaimed fjord in north-west Sjælland, Denmark. Sediment cores from the area were collected to study its development after the last deglaciation, in particular the sea-level history.
Ole Bennike   +2 more
doaj   +1 more source

Carbinatitic magmatism evidence in the Quaternary volcanic rocks in the west of Nowbaran, NW of Iran [PDF]

open access: yesپترولوژی, 2019
The fourteen numbers of ultrabasic volcanoes eruption in the west of Nowbaran are located in the west margin of Iranian central zone near to the Sanandaj-Sirjan zone.
Bahman Rahimzadeh   +3 more
doaj   +1 more source

Effects of pregnancy on neuromyelitis optica spectrum disorder and predictors of related attacks

open access: yesAnnals of Clinical and Translational Neurology, Volume 9, Issue 12, Page 1918-1925, December 2022., 2022
Abstract Objective Our study aimed to investigate the influence of pregnancy on the course of neuromyelitis optica spectrum disorders (NMOSD) and to explore the independent predictors of pregnancy‐related attacks. Methods We performed a retrospective study of patients with NMOSD based on the Wingerchuk 2006 or the revised Wingerchuk 2015 criteria ...
Qin Du   +7 more
wiley   +1 more source

One or Two: How Many Species of the Genus Pyrrhocorax (Passeriformes, Corvidae) Inhabited the Crimea During the Late Pleistocene?

open access: yesZoodiversity, 2023
The article provides an overview of bird remains assigned to the genus Pyrrhocorax Tunstall, 1771 from nine cave sites of Late Pleistocene and Early Holocene age within the Crimean Peninsula (Ukraine).
L. Gorobets, О. Kovalchuk, B. Ridush
doaj   +1 more source

The clinical spectrum of SMA‐PME and in vitro normalization of its cellular ceramide profile

open access: yesAnnals of Clinical and Translational Neurology, Volume 9, Issue 12, Page 1941-1952, December 2022., 2022
Abstract Objective The objectives of this study were to define the clinical and biochemical spectrum of spinal muscular atrophy with progressive myoclonic epilepsy (SMA‐PME) and to determine if aberrant cellular ceramide accumulation could be normalized by enzyme replacement.
Michelle M. Lee   +16 more
wiley   +1 more source

Late Quaternary Variations in the South American Monsoon System as Inferred by Speleothems—New Perspectives Using the SISAL Database

open access: yesQuaternary, 2019
Here we present an overview of speleothem δ18O records from South America, most of which are available in the Speleothem Isotopes Synthesis and Analysis (SISAL_v1) database.
Michael Deininger   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy