Results 91 to 100 of about 2,416,964 (304)

Enhancing public safety and security of critical national infrastructure utilizing the Nigerian Satellite Augmentation System (NSAS) [PDF]

open access: yes, 2015
After the First World War, radio time signals offered alternative technology for determination of the Greenwich time and thus longitude at sea. The first manifestation of new technology capable of usurping the super accurate mechanical chronometers ...
Chatwin, Chris, Lawal, Lasisi S
core  

Aggregate Savings in the Presence of Private and Social Insurance [PDF]

open access: yes
In the presence of uncertain lifetimes, social security has the characteristics of an annuity: a consumer pays a tax when young in exchange for receiving a social security benefit if he survives to be old.
Andrew B. Abel
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

The Stability and Growth Pact as an Impediment to Privatizing Social Security [PDF]

open access: yes
The aging of the population shakes the confidence in the economic viability of pay-as-you-go social security systems. We demonstrate how in a political-economy framework the shaken cofidence leads to the downsizing of the social security-system, and to ...
Assaf Razin, Efraim Sadka
core  

Foreword: Health Care Reform in the United States—The Presidential Task Force [PDF]

open access: yes, 1993
This essay serves as the foreword to Implementing U.S. Health Care Reform, a symposium held in 1993. The exact specifications of the new health care system depend on the package that President Clinton will send to Capitol Hill and the changes that ...
Gostin, Lawrence O.
core   +1 more source

Real‐world trends in prenatal antirheumatic drug utilization in Ontario, Canada: A cross‐sectional time‐series analysis

open access: yesArthritis Care &Research, Accepted Article.
Objectives 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

The Case for National DNA Identification Cards [PDF]

open access: yes, 2003
Foes of the United States have demonstrated their ability to strike at the heart of this country. Fear of renewed attacks and a desire for greater national security have now prompted many to call for improvements in the national personal identification ...
Quarmby, Ben
core   +1 more source

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

open access: yesAdvanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar   +7 more
wiley   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Inclusion or Insurance? National Insurance and the future of the contributory principle [PDF]

open access: yes
This paper examines the decline of National Insurance in Britain, as witnessed by its declining share of all social security spending and the steady dilution of the "contributory principle" on which it was originally based. It argues that this decline is
John Hills
core  

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