Results 61 to 70 of about 6,442 (142)

Social Networks in Labor Markets [PDF]

open access: yes
Research in sociology and economics point to important role for social networks in labor markets. Social contacts mediate propagation of rich and reliable information among indi- viduals and thus help workers find jobs and employers find employees ...
Antoni Calvo-Armengol   +1 more
core  

Linear phase demodulator including a phase locked loop with auxiliary feedback loop [PDF]

open access: yes, 1976
A phase modulated wave that may have no carrier power is demodulated by a phase locked loop including a phase detector for deriving an A.C. data output signal having a magnitude and a phase indicative of the phase of the modulated wave.
Rippy, R. R.
core   +1 more source

Drawing Conclusions from Non-Random Samples: A Comment on “Race and Art: Prices for African American Painters and their Contemporaries” by Richard Agnello [PDF]

open access: yes
In a recent paper in the Journal of Black Studies, “Race and Art: Prices for African American Painters and Their Contemporaries,” economist Richard Agnello examines price differentials between paintings sold at auction from 1972 to 2004 for a set of 16 ...
Melissa Boyle, Victor Matheson
core  

The Bitter Taste of Strawberry Jam: Distortions on Romanian Labour Market beyond 2007 [PDF]

open access: yes
The paper is a contribution at the scientific debate of migration and mobility issues in the context of an enlarged European Union (EU-27). We consider that Romania, a country with a labour market that faces distortions, will benefit from migration on ...
Silasi, Grigore, Simina, Ovidiu Laurian
core   +1 more source

Thermostability of Organobentonite Modified with Poly(acrylic acid). [PDF]

open access: yesMaterials (Basel), 2023
Grabowska B   +6 more
europepmc   +1 more source

Natural Environmental Service Support to NASA Vehicle, Technology, and Sensor Development Programs [PDF]

open access: yes
The research performed under this contract involved definition of the natural environmental parameters affecting the design, development, and operation of space and launch vehicles. The Universities Space Research Association (USRA) provided the manpower

core   +1 more source

3D Printed (Binder Jetting) Furan Molding and Core Sands-Thermal Deformation, Mechanical and Technological Properties. [PDF]

open access: yesMaterials (Basel), 2023
Bobrowski A   +7 more
europepmc   +1 more source

Environmental definition of the earth's neutral atmosphere [PDF]

open access: yes
Although number densities are low at altitudes where spacecraft typically operate, high orbital speeds result in incident fluxes and collisional energies large enough to interact with and degrade material surfaces.
Visentine, James T.
core   +1 more source

Knowledge of catalan, public/prívate sector choice and earnings: Evidence from a double sample selection model [PDF]

open access: yes
This paper explores the earnings return to Catalan knowledge for public and private workers in Catalonia. In doing so, we allow for a double simultaneous selection process.
Antonio di Paolo
core  

Natural environment design criteria for the Space Station definition and preliminary design [PDF]

open access: yes
The natural environment design criteria for the Space Station Program (SSP) definition and preliminary design are presented. Information on the atmospheric, dynamic and thermodynamic environments, meteoroids, radiation, magnetic fields, physical ...
Green, C. E., Vaughan, W. W.
core   +1 more source

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