Results 1 to 10 of about 263,145 (166)

Contrast-Enhanced Ultrasound in Distinguishing between Malignant and Benign Peripheral Pulmonary Consolidations: The Debated Utility of the Contrast Enhancement Arrival Time [PDF]

open access: yesDiagnostics, 2023
Background. Limited studies and observations conducted on a too small number of patients prevent determining the actual clinical utility of pulmonary contrast-enhanced ultrasound (CEUS).
Carla Maria Irene Quarato   +12 more
doaj   +2 more sources

State-Space Model for Arrival Time Simulations and Methodology for Offline Blade Tip-Timing Software Characterization [PDF]

open access: yesSensors, 2023
Blade tip-timing is an extensively used technique for measuring blade vibrations in turbine and compressor stages; it is one of the preferred techniques used for characterizing their dynamic behaviors using non-contact probes.
Tommaso Tocci   +4 more
doaj   +2 more sources

Pulse arrival time: Measurement and clinical applications

open access: yesMGM Journal of Medical Sciences, 2022
Pulse arrival time is the time elapsed between the R-wave of electrocardiogram and systolic peak in peripheral pulse obtained by any of the plethysmographic methods.
Chaitali A Deshmukh   +3 more
doaj   +2 more sources

Comparison of Accuracy of Arrival-Time-Insensitive and Arrival-Time-Sensitive CTP Algorithms for Prediction of Infarct Tissue Volumes [PDF]

open access: yesScientific Reports, 2020
The purpose of this study was to compare the performance of arrival-time-insensitive (ATI) and arrival-time-sensitive (ATS) computed tomography perfusion (CTP) algorithms in Philips IntelliSpace Portal (v9, ISP) and to investigate optimal thresholds for ...
Lenhard Pennig   +8 more
doaj   +2 more sources

COMPARATIVE ANALYSIS OF OPERATIONAL RESPONSE INDICATORS OF FIRE SERVICE UNITS LOCATED IN VARIOUS CLIMATIC CONDITIONS [PDF]

open access: yesАктуальные вопросы пожарной безопасности, 2021
There was carried out the investigation of operational response indicators (speed of movement, first unit arrival time, coverage rate) of fire service units at settlements of the Krasnodar Region and the Sverdlovsk Region.
Vladislav A. Mashtakov   +3 more
doaj   +1 more source

Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves

open access: yesSensors, 2023
Grouted sleeves (GSs) are a type of precast joint that can effectively connect steel rebars with excellent performance. However, the grouting debonding problem, which can occur due to the leakage of the glue plug, can seriously affect the properties of ...
Jiahe Liu, Dongsheng Li, Xiushi Cui
doaj   +1 more source

SOME CHARACTERISTICS OF THE EARTHQUAKE CATALOG AND THE SEISMIC PROCESS ACCORDING TO THE KNET NETWORK

open access: yesГеодинамика и тектонофизика, 2022
Some characteristics of the earthquake catalog and seismic process are considered. The catalog is obtained according to the KNET network (KN-code in FSDN, International Federation of Digital Seismograph Networks, that is operated by Research Station of ...
N. A. Sycheva
doaj   +1 more source

Optimising Airport Ground Resource Allocation for Multiple Aircraft Using Machine Learning-Based Arrival Time Prediction

open access: yesAerospace, 2023
Managing aircraft turnaround is a complex process due to various factors, including passenger handling. Airport ground handling, resource planning, optimal manpower, and equipment utilisation are some cost-cutting strategies, particularly for airlines ...
Deepudev Sahadevan   +3 more
doaj   +1 more source

Maximizing Efficiency in the Suez Canal: A New Approach to Evaluate the Impact of Optimal Time-Varying Tolls on Ship Arrival Times

open access: yesJournal of Marine Science and Engineering, 2023
In the existing literature, an optimal time-varying toll scheme has been proposed for the Suez Canal to address the inefficiency of numerous ships queuing and waiting at the anchorage area to enter the canal.
Chen-Hsiu Laih
doaj   +1 more source

Time-of-arrival states [PDF]

open access: yesPhysical Review A, 1999
15 pages, 2 ...
Oppenheim, J, Reznik, B, Unruh, WG
openaire   +3 more sources

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