Results 71 to 80 of about 47,768 (224)

The Massive Runaway Stars HD 14633 and HD 15137 [PDF]

open access: yesThe Astrophysical Journal, 2005
Submitted to ApJ, 22 pages, 4 ...
Boyajian, T. S.   +8 more
openaire   +2 more sources

Supercritical water deasphalting and desulphurization of heavy fuel oil with comprehensive molecular‐level analysis and techno‐economic analysis

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Supercritical water deasphalting. Abstract The removal of sulphur from heavy fuel oil (HFO) is essential to address environmental concerns and comply with the stringent regulations imposed by the International Maritime Organization (IMO) in 2020. Previously, the acceptable limit for sulphur was 3.5 wt.%, but it was recently changed to 0.5 wt.%.
Biswajit Saha   +6 more
wiley   +1 more source

Hidden drifts in turbulence

open access: yes, 2018
The paper defines and discusses the concept of hidden drifts in two-dimensional turbulence. These are ordered components of the trajectories that average to zero and do not produce direct transport. Their effects appear in the evolution of the turbulence
Spineanu, Florin, Vlad, Madalina
core   +1 more source

Relaxation Characteristics of Hold-Down Spring of Core Support Barrel in Nuclear Reactor

open access: yesShanghai Jiaotong Daxue xuebao
The stability of the core support barrel (CSB) in a nuclear reactor is the guarantee and premise for the normal operation of the reactor core.
YANG Taibo, LIU Jiaxin, PENG Zhike, LUO Neng, LIU Caixue
doaj   +1 more source

Exploratory study of handwriting disorders in school-aged children for a better nosography

open access: yesEuropean Psychiatry, 2023
Introduction Handwriting disorders (HDs) are prevalent in elementary school children, but their nature is poorly understood. Moreover, the diagnosis of dysgraphia is often too quickly concluded on a single assessment. Objectives In the present study, we
C. Lopez, L. Vaivre-Douret
doaj   +1 more source

New orbits based on speckle interferometry at SOAR

open access: yes, 2016
Orbits of 55 visual binary stars are computed using recent speckle interferometry data from the SOAR telescope: 33 first-time orbits and 22 revisions of previous orbit calculations.
Tokovinin, Andrei
core   +2 more sources

Hadamard partitioned difference families and their descendants [PDF]

open access: yes, 2018
If $D$ is a $(4u^2,2u^2-u,u^2-u)$ Hadamard difference set (HDS) in $G$, then $\{G,G\setminus D\}$ is clearly a $(4u^2,[2u^2-u,2u^2+u],2u^2)$ partitioned difference family (PDF). Any $(v,K,\lambda)$-PDF will be said of Hadamard-type if $v=2\lambda$ as the
Buratti, Marco
core   +2 more sources

Epidemiological evidence for the role of puberty and immune senescence in Hodgkin lymphoma aetiology from 1992 Danish cases

open access: yesInternational Journal of Cancer, EarlyView.
What's New? The understanding of the epidemiological and clinical distinctions between Epstein–Barr virus (EBV)‐positive and EBV‐negative classic Hodgkin lymphoma remains incomplete. Here, the authors generated unique sets of population‐based sex‐ and age‐specific incidence rates of classic Hodgkin lymphoma in Denmark stratified by histological subtype
Klaus Rostgaard   +18 more
wiley   +1 more source

The Day of Prayer and Its Potential for Engendering Public Ecclesiology Ecumenism in Zambia

open access: yesReligions, 2018
This article argues that while the National Day of Prayer in Zambia has its inception in political context, it has obligated the institutional churches to break out of their religiously fixed spaces, forcing them to suspend their official doctrinal ...
Chammah J. Kaunda
doaj   +1 more source

Free-energy profiles along reduction pathways of MoS2 M-edge and S-edge by dihydrogen: a first-principles study

open access: yes, 2011
We present the results of DFT calculations of free energy profiles along the reaction pathways starting from 50% coverage of MoS2 M-edge and 100% coverage of S-edge by sulfur, and leading to 37% coverage, i.e.
Prodhomme, Pierre-Yves   +2 more
core   +1 more source

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