نتایج جستجو برای: meas

تعداد نتایج: 860  

Journal: :Psychometrika 2016
Anna Brown

In forced-choice questionnaires, respondents have to make choices between two or more items presented at the same time. Several IRT models have been developed to link respondent choices to underlying psychological attributes, including the recent MUPP (Stark et al. in Appl Psychol Meas 29:184-203, 2005) and Thurstonian IRT (Brown and Maydeu-Olivares in Educ Psychol Meas 71:460-502, 2011) models...

2016
Gretchen L. Knaack Daniel G. McHail German Borda Beomseo Koo Nathalia Peixoto Stuart F. Cogan Theodore C. Dumas Joseph J. Pancrazio

Implantable microelectrode arrays (MEAs) offer clinical promise for prosthetic devices by enabling restoration of communication and control of artificial limbs. While proof-of-concept recordings from MEAs have been promising, work in animal models demonstrates that the obtained signals degrade over time. Both material robustness and tissue response are acknowledged to have a role in device life...

Journal: :Research and application of materials science 2022

Undercooling of ternary CoCrNi medium entropy alloy (MEA) was achieved by molten glass fluxing method. The influence undercooling on microstructure and mechanical properties investigated. changes during the process identified transmission electron microscope scanning shows that grain size intergranular phase all change after treatment. yield strength MEA increased significantly treatment, which...

Journal: :Journal of materials research and technology 2022

The year 2004 marked the beginning of a new era in design metallic materials, as concept multiple principal component alloys, commonly known High-Entropy Alloys (HEAs), was proposed by Cantor and Yeh. unexpected single-phase microstructure, instead expected brittle intermetallic compounds, attributed to large entropy mixing immediately caught attention scientific community. Today, HEAs are cons...

Journal: :Procedia CIRP 2022

The microelectrode arrays (MEAs) have become a valuable tool in the study of electrophysiological analysis vitro electrogenic cells. Aerosol-Jet Printing (AJP) is an alternative to traditional fabrication technique. AJP allows development flexible and customized devices. Here we present computational modelling method using Comsol Multiphysics, enhance design optimization printed array. outcomes...

2008
Steve M. Potter

Population bursts of action potentials are the most prominent feature of activity recorded from mam-malian neuronal networks grown on MEAs. In the intact brain or spinal cord, they are considered variously as motor patterns, sensory gates, sleep spindles, UP-states, developmental signals, epileptiform activity, or memories. I prefer to remain agnostic about what bursts " mean " in vitro, and to...

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