Results 101 to 110 of about 1,375,463 (211)

Space-based solar power conversion and delivery systems study. Volume 1: Executive summary [PDF]

open access: yes
The technical and economic aspects of satellite solar power systems are presented with a focus on the current configuration 5000 MW system. The technical studies include analyses of the orbital system structures, control and stationkeeping, and the ...
Hazelrigg, G. A., Jr.
core   +1 more source

An Analysis of the Influence of Students´ Technological Culture on Their Technology

open access: yes, 2011
decade has raised the interest among the research community on the acceptance and use of these systems by both teachers and students. At first, the implementation of LMS was based on their technical design and the adaptation of the learning processes ...
Dueñas Rugnon, Oscar Lorenzo   +3 more
core  

Pottery of the Tolokonnoe-1 Settlement (Technical and Technological Analysis)

open access: yesIzvestiya of Altai State University, 2016
Dmitry Papin   +2 more
openaire   +1 more source

Reliability Of Technological Flows. A Case Study [PDF]

open access: yesAnnals of the University of Petroşani. Mechanical Engineering
The analysis of the operating behavior of equipment allows us to know the technical condition of the equipment in a technological flow, the influence of each equipment on the flow, as well as taking technical and organizational measures regarding, in ...
Vlad Alexandru Florea
doaj  

A Statistical Model for the Identification of Key Sectors in I-O Models [PDF]

open access: yes
Following the seminal work by Bullard and Sebald [Effects of Parametric Uncertainty and Technological Change on In put-Out put Models, Rev. of Ec. And Stat., vol. 59,75-81], in this paper we present an innovative approach to sensitivity analysis in Input-
Marco Percoco
core  

General Purpose Technologies "Engines of Growth?" [PDF]

open access: yes
Whole eras of technical progress and economic growth appear to be driven by a few key technologies, which we call General Purpose Technologies (GPT's).
Manuel Trajtenberg, Timothy F. Bresnahan
core  

Natural Gas Sweetening Technologies: A Technical and Comparative Analysis of Processes and Applications

open access: yes
This article presents a comprehensive and technical analysis of modern natural gas sweetening technologies, including chemical absorption, physical absorption, hybrid processes (such as Sulfinol), direct conversion (e.g., Stretford and iron sponge), and dry bed adsorption.
Jairo Rondón, Claudio Lugo
openaire   +1 more source

Technical Efficiency of Automobiles – A Nonparametric Approach Incorporating Carbon Dioxide Emissions [PDF]

open access: yes
We conduct an empirical analysis of the technical efficiency of cars sold in Germany in 2010. The analysis is performed using traditional data envelopment analysis (DEA) as well as directional distance functions (DDF).
Hampf, Benjamin, Krüger, Jens
core  

Testing the induced innovation hypothesis in South African agriculture (an error correction approach) [PDF]

open access: yes
The authors investigate whether factor prices matter in agricultural production and in the selection of production technology. Each stage of the analysis corroborates the inducement hypothesis, which implies that factor prices do matter in agricultural ...
Thirtle, Colin   +2 more
core  

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