Results 21 to 30 of about 26,480,397 (286)

Computer Aided Simulation Analysis For Computation Of Modal Analysis Of The Freight Wagon

open access: yesCommunications, 2013
This paper deals with theoretical and practical aspects of modal analysis, which belongs to the tests for design of new rail wagons. The paper describes the process for calculating the eigenfrequencies of the wagon with non-standard design and dimensions
Pavol Stastniak, Jozef Harusinec
doaj   +1 more source

Numerical Assessment of Building Vibration Techniques Using Laboratory Models [PDF]

open access: yesPort Said Engineering Research Journal, 2022
Experimental Modal Analysis (EMA) is one of the most attractive engineering fields nowadays, which specifies in the studies of modal parameters of existing small buildings under forced vibrations.
moataz Elrayes   +2 more
doaj   +1 more source

Changes in TCA cycle and TCA cycle-related metabolites in plasma upon citric acid administration in rats

open access: yesHeliyon, 2021
Recent studies have reported that plasma levels of tricarboxylic acid (TCA) cycle metabolites and TCA cycle-related metabolite change in patients with chronic fatigue syndrome (CFS) and in healthy humans after exercise.
Yurie Hara   +3 more
doaj   +1 more source

Ability of modal analysis to detect osseointegration of implants in transfemoral amputees : a physical model study [PDF]

open access: yes, 2013
Owing to the successful use of non-invasive vibration analysis to monitor the progression of dental implant healing and stabilization, it is now being considered as a method to monitor femoral implants in transfemoral amputees.
Cairns, Nicola   +3 more
core   +4 more sources

Experimental modal analysis in research

open access: yesBudownictwo i Architektura, 2017
Experimental modal analysis has grown steadily in popularity since the advent of the digital FFT spectrum analyser in the 1970’s. This days impact testing has become widespread as a fast and economical means of finding the vibration modes of a machine or
Mariusz Żółtowski   +1 more
doaj   +1 more source

Modal Analysis of Pseudo-Schell Model Sources

open access: yesPhotonics, 2021
All pseudo-Schell model sources have been shown to possess the same continuous set of circularly symmetric modes, all of them presenting a conical wavefront.
Massimo Santarsiero   +4 more
doaj   +1 more source

Modal analysis of a multiple structure [PDF]

open access: yesE3S Web of Conferences, 2020
The aim of the work was to carry out a modal analysis of a multiple structure. Own forms of oscillation of the structure for five tones were obtained through the vector iteration process and were presented in table and graphic form.
Čolak Stanko, Džolan Ante
doaj   +1 more source

Differential expression of nuclear lamin subtypes in the neural cells of the adult rat cerebral cortex

open access: yesIBRO Reports, 2018
Lamins are type V intermediate filament proteins that are located beneath the inner nuclear membrane. In mammalian somatic cells, LMNB1 and LMNB2 encode somatic lamins B1 and B2, respectively, and the LMNA gene is alternatively spliced to generate ...
Yasuharu Takamori   +9 more
doaj   +1 more source

Operational Modal Analysis for Seismic Protection of Structures [PDF]

open access: yes, 2008
This thesis focuses on output-only modal identification tests and on the opportunities they provide in the field of seismic protection of structures. The problem of a good measurement process, in order to obtain high quality data and reliable results ...
Rainieri, Carlo
core   +1 more source

Comparative Drug Response Profiling in Neuroblastoma Cell Lines and Patient‐Derived Tumor Organoids

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT High‐risk neuroblastoma remains a leading cause of pediatric cancer mortality, and improved preclinical models are needed to guide therapeutic developments. We screened seven high‐risk neuroblastoma cell lines and three patient‐derived tumor organoids with 528 compounds alongside bone marrow controls, and compared them with external datasets ...
Krzysztof Wierbiłowicz   +12 more
wiley   +1 more source

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