Results 11 to 20 of about 35,125 (262)

Performance Evaluation of Real-Time Precise Point Positioning with Both BDS-3 and BDS-2 Observations

open access: yesSensors, 2020
For time-critical precise applications, one popular technology is the real-time precise point positioning (PPP). In recent years, there has been a rapid development in the BeiDou Navigation Satellite System (BDS), and the constellation of global BDS (BDS-
Wujiao Dai, Wenkun Yu, Lin Pan
exaly   +4 more sources

Evaluation of BDS/GPS Multi-Frequency RTK Positioning Performance under Different Baseline Lengths

open access: yesRemote Sensing, 2022
The BeiDou Navigation Satellite System (BDS) is fully operational and provides positioning, navigation, and timing services to users worldwide. To comprehensively evaluate the BeiDou-3 Navigation Satellite System (BDS-3) global real-time kinematic (RTK ...
Ershen Wang   +6 more
doaj   +2 more sources

Evidence of Accelerated Evolution and Ectodermal-Specific Expression of Presumptive BDS Toxin cDNAs from Anemonia viridis

open access: yesMarine Drugs, 2013
Anemonia viridis is a widespread and extensively studied Mediterranean species of sea anemone from which a large number of polypeptide toxins, such as blood depressing substances (BDS) peptides, have been isolated.
Aldo Nicosia   +3 more
doaj   +2 more sources

Impact of Post-acute COVID-19 Syndrome on Mental Health of Healthcare Professionals: A Cross-sectional Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Introduction: Anxiety, depression, and poor sleep quality are the most common mental health issues in post-acute Coronavirus Disease-2019 (COVID-19) syndrome.
Priyanka Gulati   +5 more
doaj   +1 more source

Implication and utility of DAS-28 squeeze in rheumatoid arthritis: an Indian experience

open access: yesReumatismo, 2022
The purpose of this study was to compare and correlate disease activity score including 28 joints counts (DAS-28) Squeeze with DAS-28 and clinical disease activity index (CDAI) to assess disease activity (DA) in rheumatoid arthritis (RA) patients.
H. Singh   +5 more
doaj   +1 more source

Finite Element Analysis and in Vivo Evaluation of En-Masse Retraction of Maxillary Anterior Teeth Using Palatal TADs and a Clear Appliance [PDF]

open access: yesIranian Journal of Orthodontics, 2022
Aim: Among various retraction methods for space closure in first premolar extraction, the palatal approach is preferred to labial appliances in cases having high aesthetic demand.
Prerna Pahuja   +7 more
doaj   +1 more source

Fault Detection and Exclusion Method for a Deeply Integrated BDS/INS System

open access: yesSensors, 2020
The Inertial Navigation System (INS) is often fused with the Global Navigation Satellite System (GNSS) to provide more robust and superior navigation service, especially in degraded signal environments.
Junren Sun, Zun Niu, Bocheng Zhu
doaj   +1 more source

Extra-Wide Lane Ambiguity Resolution and Validation for a Single Epoch Based on the Triple-Frequency BeiDou Navigation Satellite System

open access: yesSensors, 2020
The ambiguity resolution (AR) and validation of the global navigation satellite system (GNSS) have been challenging tasks for some decades. Considering the reliability problem of extra-wide-lane (EWL) ambiguity in the triple-carrier ambiguity resolution (
Jian Deng   +3 more
doaj   +1 more source

Introduction: The IHRA Working Definition and the debate about concepts and definitions of anti-Semitism [PDF]

open access: yesConflict & Communication Online, 2022
The “Working Definition of Antisemitism” of the “International Holocaust Remembrance Alliance” not only leads to scientific controversies between its proponents and critics, it also – at least indirectly – plays an important role for the financing of ...
Florian Weis
doaj  

Pregnancy with heart disease: Fetomaternal outcome: A retrospective analysis from a tertiary care teaching hospital in Northern India

open access: yesAsian Journal of Medical Sciences, 2023
Background: Heart diseases are the most significant non-obstetrical causes of maternal deaths, accounting for up to 15% of all cases. The present retrospective analysis is an attempt to assess the spectrum and impact of cardiac diseases on pregnancy ...
Menka Verma   +5 more
doaj   +1 more source

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