Results 111 to 120 of about 3,866 (220)

Carbon\u2013Nb0.07Ti0.93O2 composite supported Pt\u2013Pd electrocatalysts for PEM fuel cell oxygen reduction reaction

open access: yes, 2012
Carbon\u2013Nb0.07Ti0.93O2 (C67 wt%\u2013(Nb0.07Ti0.93O2)33 wt%) composite support for Pt0.55Pd0.45 alloy catalysts was prepared by hydrolysis of metal alkoxides in the presence of carbon.
Bauer, Alex   +9 more
core   +1 more source

Structural changes, market growth and productivity gains of the US real estate investment trusts in the 1990s

open access: yes
REITs, Real Estate, Productivity, Efficiency, Technology, Malmquist Index, DEA, C67, D24, G23, L11,
Ihsan Isik, John Topuz
core   +1 more source

Development of lightweight roof tiles using spent mushroom material: enhancing thermal insulation and sustainability

open access: yesReviews on Advanced Materials Science
This study evaluates the feasibility of utilizing spent mushroom waste (SMW) as a sustainable partial replacement for clay in the manufacturing of lightweight, thermally insulating roof tiles.
Matar Saleh M.   +5 more
doaj   +1 more source

Cota - C 2015 C67

open access: yes, 2018
Esta investigación tiene como objetivo principal comparar cómo ha sido la transición de Venezuela y Colombia hacia el paradigma de la Sociedad de la Información, durante el período 2000-2012, utilizando los parámetros fijados por la Organización de ...
Córdova Zerpa, Daniel
core  

An Aggregated Regional Economic Input–Output Analysis within a Fuzzy Environment

open access: yes, 2007
Imprecision within economic input–output frameworks can be a problem, particularly when investigating the characteristics of defined industry sectors. This study undertakes an aggregated regional economic input–output analysis, within a fuzzy environment.
Max Munday   +3 more
core   +1 more source

Tekniska studiebesök

open access: yes, 2014
The study includes statistical summary of the visits of foreign delegations that visited the Swedish visitor facilities for environmental technology in 2014. The data used was collected by the regional nodes in ASSET.
Strandberg, Johan
core  

Effects of changes in outputs and in prices on the economic system: an input–output analysis using the spectral theory of nonnegative matrices

open access: yes
Input–output analysis, Output adjustment model, Price adjustment model, Ghosh inverse, Leontief inverse, Input multiplier, Output multiplier, Nonnegative matrix, Positive eigenvector, Nonsingular M-matrix, C67,
Lisheng Zeng
core   +1 more source

La costa Mosquitia y el Archipiélago de San Andrés y Providencia: (controversia entre Colombia y Nicaragua).

open access: yes, 1925
Escrito en que el ministro plenipotenciario de Colombia en Centroamérica argumenta en favor del dominio de Colombia sobre el Archipiélago de San Andrés y Providencia ante una demanda de la Cancillería ...
Esguerra, Manuel
core  

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