Results 101 to 110 of about 173,028 (248)

Analysis of Takaful vs. Conventional insurance firms’ efficiency: Two-stage DEA of Saudi Arabia’s insurance market

open access: yesCogent Business & Management, 2019
Despite the remarkable growth in the insurance industry over the past two decades, few studies evaluate the performance of Takaful vs. conventional insurance firms with focus on the standard structure of production as a two-stage process, that is ...
Tarifa Almulhim
doaj   +1 more source

Estudio comparado de la genitalia de dos poblaciones españolas de Cataglyphis (Hym., Formicidae), grupo albicans de color negro [PDF]

open access: yes, 1996
El estudio de la genitalia masculina de dos poblaciones de Cataglyphis grupo albicans de color negro, de Tarifa (Cádiz) y Bellaterra (Barcelona), inicialmente consideradas por diferencias de coloración como C. albicans y C.
Collingwood, C. A., Haro, Andrés de
core   +3 more sources

On the influence of chemical kinetics on the combustion of fuels [PDF]

open access: yes, 1966
The influence of chemical kinetics on the combustion of fuel droplets is studied by means of a theoretical model of the process which considers spherical symmetry and quasi-stationary conditions.
Sánchez Tarifa, Carlos
core  

Hypersonic propulsion. Past and present [PDF]

open access: yes, 1990
The change of the concept of hypersonic speed with time is in the first place briefly discussed. The evolution of the hypersonic propulsion is restricted to the history of the ramjets. Considering the abundance of excellent literature on the subject only
Sánchez Tarifa, Carlos
core  

Comparison of hydroxyl radical formation in aqueous solutions at different ultrasound frequencies and powers using the salicylic acid dosimeter [PDF]

open access: yes, 2013
Ultrasonic frequencies of 20 kHz, 382 kHz, 584 kHz, 862 kHz (and 998 kHz) have been compared with regard to energy output and hydroxyl radical formation utilising the salicylic acid dosimeter. The 862 kHz frequency inputs 6 times the number of Watts into
Bremner, David H.   +2 more
core   +3 more sources

Adoção de Tecnologia: da não equivalência de tarifas e cotas

open access: yesBBR: Brazilian Business Review, 2007
Este estudo tem por objetivo examinar os efeitos das políticas de comércio na adoção de novas tecnologias. Um modelo de dois setores com comércio internacional é desenvolvido onde o progresso tecnológico é neutro.
Berthold Herrendorf, Arilton Teixeira
doaj  

La Investigación Aeronáutica y Espacial en España. [PDF]

open access: yes, 1963
Hoy día se reconoce plenamente la influencia esencial que ejerce la investigación en el desarrollo económico de un país. La investigación, junto con la enseñanza, son los elementos fundamentales de la ciencia y de la técnica, las que a su vez constituyen
Sánchez Tarifa, Carlos
core  

Demanda de agua en hogares urbanos y cambios tarifarios en Bogotá.

open access: yesRevista Finanzas y Política Económica, 2011
La teoría estándar del consumidor plantea que los agentes económicos responden ante los cambios en los precios de un bien. Sin embargo, no todos los agentes responden con la misma velocidad ante estos cambios en algunos bienes particulares, este es el ...
Edwin Oswaldo Gil Mateus
doaj   +2 more sources

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