Results 61 to 70 of about 222,816 (291)

The THESEUS Space Mission and the Infrared Telescope Calibration Unit

Astronomische Nachrichten, EarlyView.
ABSTRACT The Transient High‐Energy Sky and Early Universe Surveyor (THESEUS) is an ESA M7 mission concept currently in Phase A, designed to exploit gamma‐ray bursts to probe the early Universe while advancing multi‐messenger and time‐domain astrophysics. To achieve its ambitious goals, THESEUS will combine wide‐band x‐ray and gamma‐ray monitors with an
András Péter Joó, Rebeka Gyöngyi Kiss, Lorenzo Amati, Bendegúz Koncz, Örs Detre, Gyula Zilizi, Zsolt Bagoly, István I. Rácz, Sándor Pintér, L. Viktor Tóth   +9 more
wiley   +1 more source

Design optimization of integrated CM/DM inductors for power drive input filter

Power Electronic Devices and Components
More electric aircraft face many challenges related to the weight and losses of power quality and EMI filters. A solution to reduce weight and losses is integrating the Differential Mode (DM) and Common Mode (CM) inductances of filters in the same ...
Rodrigo Drummond, Bernardo Cougo, Duc-Hoan Tran, Gregory Almeida, Sébastien Serpaud, Victor Dos Santos, Lenin M.F. Morais   +6 more
doaj   +1 more source

Dependent Dirichlet Process Rating Model (DDP-RM) [PDF]

, 2013
Typical IRT rating-scale models assume that the rating category threshold parameters are the same over examinees. However, it can be argued that many rating data sets violate this assumption. To address this practical psychometric problem, we introduce a
Fujimoto, Ken Akira, Karabatsos, George
core  

Cascade failure analysis of power grid using new load distribution law and node removal rule [PDF]

, 2016
The work is supported in part by NSFC (Grant no.
Baptista, M. S., Grebogi, Celso, Ren, Hai-Peng, Song, Jihong, Yang, Rong   +4 more
core   +1 more source

An Examination of Racial Bias in Scoring the Autism Diagnostic Observation Schedule (ADOS) Module 3: An Item Response Theory Analysis

Autism Research, EarlyView.
ABSTRACT Given the rising prevalence of autism among racial minority children in the United States, but persistent service use disparities, this study examines potential bias in specific items from the autism diagnostic observation schedule (ADOS), a highly regarded autism evaluation.
Yuen Yvonne Yu, Austin Wyman, Calliana J. Faulk, Lizzy J. Fulop, Rebecca L. Greenberg, Rachel M. Benecke, Lauren K. Steinbeck, Jessica Foy, Caitlyn Kim, George O. Emory, Eric A. Storch, Casey J. Zampella, Benjamin E. Yerys, Robert T. Schultz, Julia Parish‐Morris, John D. Herrington, Caitlin C. Clements   +16 more
wiley   +1 more source

Item Response Modeling of Multivariate Count Data With Zero Inflation, Maximum Inflation, and Heaping [PDF]

, 2017
Questionnaires that include items eliciting count responses are becoming increasingly common in psychology. This study proposes methodological techniques to overcome some of the challenges associated with analyzing multivariate item response data that ...
Brooke E. Magnus, Centers for Disease Control and Prevention, David Thissen, Thissen D., Thissen D., Wright D. E.   +5 more
core   +2 more sources

Service Work as Lived Experience: A Problematizing Review

Human Resource Management, EarlyView.
ABSTRACT Between employee burnout and growing recruitment challenges, a systemic crisis confronts the service industry. One reason lies in the scope of received human resource management (HRM) approaches, which often emphasize organizational performance metrics at the expense of the emotional, social, and material experiences of doing frontline service
Kushagra Bhatnagar, Julien Cayla, Jean‐Baptiste Suquet   +2 more
wiley   +1 more source

Adaptive Low-Overhead Channel Estimation Tracking in RIS-Assisted Systems

IEEE Access
Efficient channel estimation is paramount for realizing the performance potential of Reconfigurable Intelligent Surface (RIS)-assisted wireless networks.
Hamidreza Khaleghi, Stephane Paquelet
doaj   +1 more source

آزمون برازش توزیع لجستیک در تعیین توانایی و رتبه‌بندی در امتحان‌ها [PDF]

Fanāvarī-i āmūzish, 2009
در این مقاله ابتدا با استفاده از توزیع لجستیک سه پارامتری در پاسخ­گویی به پرسش­های چهارگزینه­ای در امتحانات ورودی، میزان توانایی هر یک از داوطلبان برای هر پرسش در نتیجه هر امتحان با روش نظریه­ی پرسش- پاسخ (IRT) مورد اندازه­گیری قرار گرفته و بر اساس ...
کمال عقیق
doaj  

Potential neuroprotective and therapeutic agents and their mechanisms for irradiation‐induced brain injury

Ibrain, EarlyView.
In this review, agents such baicalein, troxerutin, epigallocatechin gallate, quercetin, melatonin, valproic acid, lithium, neurosteroid progesterone, as well as minocycline have been implicated as neuroprotective agents for irradiation‐induced neurological deficits. Also, agents such as glucocorticoids, methylphenidate, vitamin E, bisdemethoxycurcumin,
Seidu A. Richard, Vivian Kapio Abem, Sagor Kumar Roy   +2 more
wiley   +1 more source