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Results: 51
Continuous-wave highly-efficient low-divergence terahertz wire lasers.
Simone Biasco, Katia Garrasi, Fabrizio Castellano, Lianhe Li, Harvey E Beere, David A Ritchie, Edmund H Linfield, A Giles Davies, Miriam S Vitiello
Sep 20, 2018
Terahertz (THz) quantum cascade lasers (QCLs) have undergone rapid development since their demonstration, showing high power, broad-tunability, quantum-limited linewidth, and ultra-broadband gain. Typically, to address...
Terahertz Frequency Combs Exploiting an On-Chip, Solution-Processed, Graphene-Quantum Cascade Laser Coupled-Cavity.
Francesco P Mezzapesa, Katia Garrasi, Johannes Schmidt, Luca Salemi, Valentino Pistore, Lianhe Li, A Giles Davies, Edmund H Linfield, Michael Riesch, Christian Jirauschek, Tian Carey, Felice Torrisi, Andrea C Ferrari, Miriam S Vitiello
Feb 19, 2021
The ability to engineer quantum-cascade-lasers (QCLs) with ultrabroad gain spectra, and with a full compensation of the group velocity dispersion, at terahertz (THz) frequencies, is key for devising monolithic and miniaturized...
Out of Isolation
Having a supportive community in graduate school is a key element that increases the probability of a student's success in their program. Online learning can often feel very isolating both for students and faculty. In a 1:1...
Web-Based Teaching & Learning Education Higher Education Computer Science and Information Technology
Published by: IGI Global Scientific Publishing
Model reduction of rotor-foundation systems using the approximate invariant manifold method
This work presents a model reduction method suited for performing nonlinear dynamic analysis of high-dimensional rotor-foundation systems modeled by the finite element method. The approach consists in combining the component...
Approximate invariant manifold method Component mode synthesis Fluid-film bearings Model reduction method Nonlinear analysis Rotor-foundation systems /dk/atira/pure/subjectarea/asjc/2200/2207 name=Control and Systems Engineering /dk/atira/pure/subjectarea/asjc/2200/2202 name=Aerospace Engineering /dk/atira/pure/subjectarea/asjc/2200/2212 name=Ocean Engineering /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering /dk/atira/pure/subjectarea/asjc/2600/2604 name=Applied Mathematics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering
Bifurcations and limit cycle prediction of rotor systems with fluid-film bearings using center manifold reduction
Many rotating machines utilize a fluid-type bearing. Despite their reliability and high load capacity, these bearings often show instabilities due to the interaction between the fluid media and the rotating shaft. These...
Center manifold Fluid-film bearing Hopf bifurcation Parameterization method rotordynamics /dk/atira/pure/subjectarea/asjc/2200/2207 name=Control and Systems Engineering /dk/atira/pure/subjectarea/asjc/2200/2202 name=Aerospace Engineering /dk/atira/pure/subjectarea/asjc/2200/2212 name=Ocean Engineering /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering /dk/atira/pure/subjectarea/asjc/2600/2604 name=Applied Mathematics
Do Student Samples Provide an Accurate Estimate of the General Public?
Most psychological studies rely on student samples. Students are usually considered as more homogenous than representative samples both within and across countries. However, little is known about the nature of the differences...
Investigation of Fault Modeling in the Identification of Bearing Wear Severity
Recent research into machines involved in power generation processes has demanded deep investigation of model-based techniques for fault diagnosis and identification. The improvement of critical fault characterization is...
Diagnostics fault identification fluid film lubrication journal bearings rotating systems Wear /dk/atira/pure/subjectarea/asjc/2200/2211 name=Mechanics of Materials /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering /dk/atira/pure/subjectarea/asjc/3100/3110 name=Surfaces and Interfaces /dk/atira/pure/subjectarea/asjc/2500/2508 name=Surfaces, Coatings and Films
Do Student Samples Provide an Accurate Estimate of the General Public?
Most psychological studies rely on student samples. Students are usually considered as more homogenous than representative samples both within and across countries. However, little is known about the nature of the differences...
Exon level transcriptomic profiling of HIV-1-infected CD4(+) T cells reveals virus-induced genes and host environment favorable for viral replication.
HIV-1 is extremely specialized since, even amongst CD4(+) T lymphocytes (its major natural reservoir in peripheral blood), the virus productively infects only a small proportion of cells under an activated state. As the...
Model reduction of rotor-foundation systems using the approximate invariant manifold method
This work presents a model reduction method suited for performing nonlinear dynamic analysis of high-dimensional rotor-foundation systems modeled by the finite element method. The approach consists in combining the component...
Approximate invariant manifold method Component mode synthesis Fluid-film bearings Model reduction method Nonlinear analysis Rotor-foundation systems /dk/atira/pure/subjectarea/asjc/2200/2207 name=Control and Systems Engineering /dk/atira/pure/subjectarea/asjc/2200/2202 name=Aerospace Engineering /dk/atira/pure/subjectarea/asjc/2200/2212 name=Ocean Engineering /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering /dk/atira/pure/subjectarea/asjc/2600/2604 name=Applied Mathematics /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering
Investigation of Fault Modeling in the Identification of Bearing Wear Severity
Recent research into machines involved in power generation processes has demanded deep investigation of model-based techniques for fault diagnosis and identification. The improvement of critical fault characterization is...
Diagnostics fault identification fluid film lubrication journal bearings rotating systems Wear /dk/atira/pure/subjectarea/asjc/2200/2211 name=Mechanics of Materials /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering /dk/atira/pure/subjectarea/asjc/3100/3110 name=Surfaces and Interfaces /dk/atira/pure/subjectarea/asjc/2500/2508 name=Surfaces, Coatings and Films
A parametric model to identify hydrodynamic bearing wear at a single rotating speed
For dynamic systems, fault detection and diagnosis involve the observation of vibration signals. Faults associated with hydrodynamic bearings are one of the most common causes of forced shutdowns in rotating machinery. If it is...
A parametric model to identify hydrodynamic bearing wear at a single rotating speed
For dynamic systems, fault detection and diagnosis involve the observation of vibration signals. Faults associated with hydrodynamic bearings are one of the most common causes of forced shutdowns in rotating machinery. If it is...
Bifurcations and limit cycle prediction of rotor systems with fluid-film bearings using center manifold reduction
Many rotating machines utilize a fluid-type bearing. Despite their reliability and high load capacity, these bearings often show instabilities due to the interaction between the fluid media and the rotating shaft. These...
Center manifold Fluid-film bearing Hopf bifurcation Parameterization method rotordynamics /dk/atira/pure/subjectarea/asjc/2200/2207 name=Control and Systems Engineering /dk/atira/pure/subjectarea/asjc/2200/2202 name=Aerospace Engineering /dk/atira/pure/subjectarea/asjc/2200/2212 name=Ocean Engineering /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering /dk/atira/pure/subjectarea/asjc/2200/2208 name=Electrical and Electronic Engineering /dk/atira/pure/subjectarea/asjc/2600/2604 name=Applied Mathematics
Continuous model applied to multi-disk and multi-bearing rotors
This work aims at presenting a modeling approach to solve problems in rotordynamics. The method, named Continuous Segment Method (CSM), is valid for systems with several stepped sections and multiple disks and bearings. The...
Anisotropic bearings Continuous system modal analysis Multi-stepped rotors rotordynamics /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2211 name=Mechanics of Materials /dk/atira/pure/subjectarea/asjc/3100/3102 name=Acoustics and Ultrasonics /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering
The Role of Faculty Development in Online Universities
Faculty development continues to be an important topic in online education. As online program and course offerings are growing and adopted in popularity with many traditional brick and mortar universities, it is causing many...
Published by: IGI Global Scientific Publishing
Continuous model applied to multi-disk and multi-bearing rotors
This work aims at presenting a modeling approach to solve problems in rotordynamics. The method, named Continuous Segment Method (CSM), is valid for systems with several stepped sections and multiple disks and bearings. The...
Anisotropic bearings Continuous system modal analysis Multi-stepped rotors rotordynamics /dk/atira/pure/subjectarea/asjc/3100/3104 name=Condensed Matter Physics /dk/atira/pure/subjectarea/asjc/2200/2211 name=Mechanics of Materials /dk/atira/pure/subjectarea/asjc/3100/3102 name=Acoustics and Ultrasonics /dk/atira/pure/subjectarea/asjc/2200/2210 name=Mechanical Engineering
Systematic Assessment of the Accuracy of Subunit Counting in Biomolecular Complexes Using Automated Single-Molecule Brightness Analysis.
John SH Danial, Yuri Quintana, Uris Ros, Raed Shalaby, Eleonora G Margheritis, Sabrina Chumpen Ramirez, Christian Ungermann, Ana J Garcia-Saez, Katia Cosentino
Feb 19, 2022
Analysis of single-molecule brightness allows subunit counting of high-order oligomeric biomolecular complexes. Although the theory behind the method has been extensively assessed, systematic analysis of the experimental...
Focus on ROS1-Positive Non-Small Cell Lung Cancer (NSCLC)
Alberto D'Angelo, Navid Sobhani, Robert Chapman, Stefan Bagby, Carlotta Bortoletti, Mirko Traversini, Katia Ferrari, Luca Voltolini, Jacob Darlow, Giandomenico Roviello
Nov 06, 2020
The treatment of patients affected by non-small cell lung cancer (NSCLC) has been revolutionised by the discovery of druggable mutations. ROS1 (c-ros oncogene) is one gene with druggable mutations in NSCLC. ROS1 is currently...
Focus on ROS1-Positive Non-Small Cell Lung Cancer (NSCLC)
Alberto D'Angelo, Navid Sobhani, Robert Chapman, Stefan Bagby, Carlotta Bortoletti, Mirko Traversini, Katia Ferrari, Luca Voltolini, Jacob Darlow, Giandomenico Roviello
Nov 06, 2020
The treatment of patients affected by non-small cell lung cancer (NSCLC) has been revolutionised by the discovery of druggable mutations. ROS1 (c-ros oncogene) is one gene with druggable mutations in NSCLC. ROS1 is currently...
Epidemiology of ATTRV30M neuropathy in Cyprus and the modifier effect of complement C1q on the age of disease onset.
Savanna Andreou, Elena Panayiotou, Kyriaki Michailidou, Panayiota Pirpa, Andreas Hadjisavvas, Adonis El Salloukh, Daniel Barnes, Antonis Antoniou, Petros Agathangelou, Katia Papastavrou, Kyproula Christodoulou, George A Tanteles, Theodoros Kyriakides
Jan 31, 2019
BACKGROUND: ATTRV30M amyloidosis is a lethal autosomal dominant sensorimotor and autonomic neuropathy caused by amyloid deposition composed of aggregated misfolded TTR monomers with the V30M mutation. The age of onset in...
Contribution of epigenetic landscapes and transcription factors to X-chromosome reactivation in the inner cell mass.
Maud Borensztein, Ikuhiro Okamoto, Laurène Syx, Guillaume Guilbaud, Christel Picard, Katia Ancelin, Rafael Galupa, Patricia Diabangouaya, Nicolas Servant, Emmanuel Barillot, Azim Surani, Mitinori Saitou, Chong-Jian Chen, Konstantinos Anastassiadis, Edith Heard
Jan 24, 2018
X-chromosome inactivation is established during early development. In mice, transcriptional repression of the paternal X-chromosome (Xp) and enrichment in epigenetic marks such as H3K27me3 is achieved by the early blastocyst...
Network analysis of canine brain morphometry links tumour risk to oestrogen deficiency and accelerated brain ageing.
Nina M Rzechorzek, Olivia M Saunders, Lucy V Hiscox, Tobias Schwarz, Katia Marioni-Henry, David J Argyle, Jeffrey J Schoenebeck, Tom C Freeman
Aug 28, 2020
Structural 'brain age' is a valuable but complex biomarker for several brain disorders. The dog is an unrivalled comparator for neurological disease modeling, however canine brain morphometric diversity creates computational and...
Cross-Cultural Differences and Similarities in Human Value Instantiation
Paul Hanel, Gregory Maio, Ana Karla Silva Soares, Katia C. Vione, Gabriel Lins De Holanda Coelho, Valdiney Veloso Gouveia, Appasaheb C Patil, Shanmukh V Kamble, Antony S. R. Manstead
May 29, 2018
Previous research found that the within-country variability of human values (e.g., equality and helpfulness) clearly outweighs between-country variability. Across three countries (Brazil, India, and the United Kingdom), the...
Cross-Cultural Differences and Similarities in Human Value Instantiation
Paul Hanel, Gregory Maio, Ana Karla Silva Soares, Katia C. Vione, Gabriel Lins De Holanda Coelho, Valdiney Veloso Gouveia, Appasaheb C Patil, Shanmukh V Kamble, Antony S. R. Manstead
May 29, 2018
Previous research found that the within-country variability of human values (e.g., equality and helpfulness) clearly outweighs between-country variability. Across three countries (Brazil, India, and the United Kingdom), the...
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