Results 31 to 40 of about 1,224,771 (316)

Electric drives of traction rolling stocks with ac motors [PDF]

open access: yesTransport, 2006
The paper considers the variation of circuit design of the electric drives in traction rolling stocks when traditional DC electric machines are replaced with AC electric machines. Simplified circuit diagrams of the electric drives using electric machines
L. P. Lingaitis, L. Liudvinavičius
doaj   +3 more sources

Why, When, and for Whom Does Career Education in Secondary Schools Work? A Qualitative Study of Stakeholders’ Perspectives in The Netherlands

open access: yesEducation Sciences
Career education in secondary schools plays a pivotal role in supporting students as they navigate the complex decision-making process involved in the transition to higher education.
Nicky de Vries   +2 more
doaj   +1 more source

ANCIENT TEXTS, MODERN APPLICATIONS: CONTEXTUALIZING BIBLICAL PRINCIPLES IN TODAY'S MINISTRY

open access: yesCaminhos
In an era marked by rapid cultural evolution and societal transformation, the challenge for ministry leaders lies in bridging the gap between the timeless teachings of biblical scripture and the complexities of contemporary life.
Kirolos Eskandar
doaj   +1 more source

A New Extended Weibull Distribution with Application to Influenza and Hepatitis Data

open access: yesStats, 2023
The Weibull is a popular distribution that models monotonous failure rate data. In this work, we introduce the four-parameter Weibull extended Weibull distribution that presents greater flexibility, thus modeling data with bathtub-shaped and unimodal ...
Gauss M. Cordeiro   +2 more
doaj   +1 more source

Exponentiated (Lehmann Type-II) Nadarajah-Haghighi Distribution: Properties and Applications [PDF]

open access: yesالمجلة العلمية للدراسات والبحوث المالية والتجارية
In this paper we introduce a new distribution called exponentiated (Lehmann type-II) Nadarajah-Haghighi (ENH-II). This version is considered a generalization of the original distribution and is more flexible than it.
Mahmoud Selim, Nader fathi
doaj   +1 more source

L-moments and C-moments

open access: yesStochastic Environmental Research and Risk Assessment, 2000
It is well known that the computation of higher order statistics, like skewness and kurtosis, (which we call C-moments) is very dependent on sample size and is highly susceptible to the presence of outliers. To obviate these difficulties, Hosking (1990) has introduced related statistics called L-moments.
Ulrych, Tadeusz J.   +3 more
openaire   +3 more sources

НЕОПРЕДЕЛЕННОСТЬ В РАСЧЕТАХ ИЗ-ЗА «МГНОВЕННЫХ» АВАРИЙНЫХ СИТУАЦИЙ НА ВВЭР-1000

open access: yesГлобальная ядерная безопасность, 2022
The paper shows the occurrence of pressure waves and their propagation in the equipment of the first circuit of the WWER-1000 reactor plant in emergency situations associated with an instantaneous stop of the Main circulation pump or a two-way flow with ...
S. P. Nikonov, D. A. Amer
doaj   +1 more source

Venous Thromboembolism in Pediatric Bone Sarcoma Patients: A 10‐Year, Single‐Institution Experience Encompassing the COVID‐19 Pandemic

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Osteosarcoma (OS) and Ewing sarcoma (EWS) are the most common primary bone cancers in children, but acute thrombosis is poorly characterized in this population. Our study evaluated the rates of venous thromboembolism (VTE) and associated risk factors in pediatric patients with bone sarcomas treated over a 10‐year period encompassing
Sarah Kappa   +8 more
wiley   +1 more source

Response and Failure Behavior of Square Tubes with Varying Outer Side Lengths Under Cyclic Bending in Different Directions

open access: yesMetals
This paper primarily investigates the response and failure behavior of 6063-T5 aluminum alloy square tubes with varying outer side lengths under symmetric curvature-controlled cyclic bending in different bending directions.
Chin-Mu Lin, Min-Cheng Yu, Wen-Fung Pan
doaj   +1 more source

Electrodynamic braking in high-speed rail transport [PDF]

open access: yesTransport, 2007
The paper considers electrodynamic braking of trains, which is of particular importance for high-speed railway transport from theoretical and technical perspectives. Braking methods used for high-speed trains should ensure compatibility and redundancy of
L. Liudvinavičius, L. P. Lingaitis
doaj  

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