Results 101 to 110 of about 160,482 (313)

Regulacje na rzecz bezpieczeństwa dostaw i w sytuacjach kryzysowych przed i po wejściu w życie traktatu z Lizbony na przykładzie zaopatrzenia w gaz ziemny

open access: yesPoliteja, 2018
Regulations for Supply Security and in Emergency Situations Before and After the Lisbon Treaty Entry into Force Exemplified by Supply with Natural Gas The text presents selected aspects of the issue of the provision of energy supplies security in the ...
Beata Molo
doaj   +1 more source

Myopia and the Effects of Social Security and Capital Taxation on Labor Supply [PDF]

open access: yes
Myopia is increasingly believed to be a significant determinant of behavior and also plays a central role in justifications for social security and policies toward the taxation of capital.
Louis Kaplow
core  

Long-Term Energy Security Risks for Europe: A Sector-Specific Approach. CEPS Working Document No. 309, 29 January 2009 [PDF]

open access: yes, 2009
The aim of the paper is to identify and evaluate existing and potential EU energy supply risks on the basis of a sector-specific approach. Moving away from common generalisations on security of energy supply as well as from those studies that focus only ...
Checchi, Arianna   +2 more
core  

Associations of Rheumatoid Arthritis Disease Activity With Frailty Over Five Years of Follow‐up

open access: yesArthritis Care &Research, EarlyView.
Objective To evaluate whether rheumatoid arthritis (RA) disease activity is associated with frailty both in cross‐section and longitudinally. Methods Participants within the Veterans Affairs Rheumatoid Arthritis (VARA) registry enrolled from 2003 to 2022 were included.
Courtney N. Loecker   +14 more
wiley   +1 more source

Research on antenna for detecting the corona discharge of transmission line

open access: yesThe Journal of Engineering, 2019
Detection of corona discharge of the transmission line can reflect its health status and provide warning information for maintenance. Some existing detection methods are flawed and cannot be used widely.
Yunfeng Xia   +5 more
doaj   +1 more source

Social Security Reform and Labor Supply [PDF]

open access: yes
A structural life-cycle retirement model with an improved specification over previous models is used to analyze and compare the long-run labor supply effects of the rules for Social Security in place in 1972,1977 and 1983, and for an actuarially fair ...
Alan L. Gustman, Thomas L. Steinmeier
core  

Real‐World Trends in Prenatal Antirheumatic Drug Utilization in Ontario, Canada: A Cross‐Sectional Time‐Series Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective This study aimed to describe real‐world trends in preconception and prenatal use of antirheumatic drugs among pregnant individuals with rheumatic diseases in Ontario, Canada. Methods We conducted a time‐series analysis using repeated cross‐sectional data to examine annual patterns of disease‐modifying antirheumatic drug (DMARD) use among ...
Shenthuraan Tharmarajah   +6 more
wiley   +1 more source

Morphological, Structural, and Dielectric Properties of Thermally Aged AC 500 kV XLPE Submarine Cable Insulation Material and Its Deterioration Condition Assessment

open access: yesIEEE Access, 2019
Cross-linked polyethylene (XLPE) has been widely used as insulation material for cables. In 2019, the highest voltage level AC 500 kV XLPE submarine cable has been operated in Zhoushan, China.
Zhiqian Liu   +5 more
doaj   +1 more source

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios   +5 more
wiley   +1 more source

Electric Field Intensity Effects on the Microstructural Characteristics Evolution of Methyl Vinyl Silicone Rubber via Molecular Simulation

open access: yesMolecules, 2018
During ultra high voltage (UHV) transmission, the discharge caused by high intensity electric fields aggravates the aging process of external insulation materials used for composite insulators.
Ying Liang   +4 more
doaj   +1 more source

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