Results 81 to 90 of about 28,443 (183)

Evaluations of infinite series involving reciprocal hyperbolic functions

open access: yes, 2020
This paper presents a approach of summation of infinite series of hyperbolic functions. The approach is based on simple contour integral representions and residue computations with the help of some well known results of Eisenstein series given by ...
Xu, Ce
core  

A Machine Learning Approach for Factor Analysis and Scenario-Based Prediction of Construction Accidents

open access: yesBuildings
The construction industry has persistently high accident rates, and major events continue despite strengthened safety management systems. This study analyzes 19,456 accident records from the national Construction Safety Management Integrated Information (
Ki-nam Kim, Dae-gu Cho, Min-jae Lee
doaj   +1 more source

Introduction of new data into the South African Ionospheric Map to improve the estimation of F2 layer parameters

open access: yesAnnals of Geophysics, 2015
In this paper the South African Ionospheric Map (SAIM) is upgraded with the usage of recent International Reference Ionosphere (IRI)-2012 model and South African Bottomside Model (SABIM) version 5 and validated for the critical frequency (foF2) of the F2
Nicholas Ssessanga   +2 more
doaj   +1 more source

What length of after-school Learning time best promotes the development of non-cognitive ability in adolescents? Evidence from China

open access: yesFrontiers in Psychology
We utilized a nationally representative dataset from the China Education Panel Survey (CEPS) and applied hierarchical linear models and quadratic models to analyze the impact of after-school Learning time on adolescents’ non-cognitive ability development,
Huimin Sun, Haiping Xue
doaj   +1 more source

The Impact of Distributional Preferences on (Experimental) Markets for Expert Services [PDF]

open access: yes
Credence goods markets suffer from inefficiencies arising from informational asymmetries between expert sellers and customers. While standard theory predicts that inefficiencies disappear if customers can verify the quality received, verifiability fails ...
Dulleck, Uwe   +2 more
core  

THE PUSHKIN MONUMENT AT CNU

open access: yesRusskii iazyk za rubezhom
В статье автор описывает процесс и значение установки памятника А. С. Пушкину в Столичном педагогическом университете Китая в 2019 г. Возведение памятника стало важным событием в культурном обмене между Россией и Китаем, и привлекло широкое внимание общественности обеих стран.
openaire   +1 more source

Un commun de la connaissance comme illustration de l’épistémologie sociale

open access: yesCommunication, Technologies et Développement
The article explores knowledge commons and their role in creating participatory communities. Through the Biblio 71 project, the authors propose a digital common for PhD students and researchers in Information and Communication Sciences (CNU section 71 ...
Magali Anglès, Mélina Fournier
doaj   +1 more source

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