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Limestone was converted to high surface area CaO/MgO catalysts via calcination-hydration-dehydration (CHD) method for transesterification of coconut oil to biodiesel. Thermal?decomposition?at 900 degr...
Informal settlements are a common occurrence in South Africa, and to improve in-situ circumstances of communities living in informal settlements, upgrades and urban design processes are necessary. Spa...
The availability of high-resolution satellite images could be exploited for upgrading geographic databases at medium scales (1:5,000-1:25,000) as alternative to aerial photogrammetry. The paper presen...
Upgrading fundamental GIS databases for navigation use is an important work for providing location-based services In this paper, we present a process for extraction road networks in urban city from pa...
Many technical aspects are involved in the upgrading of satellite image databases: geometric registration, resampling, radiometric adjustment, mosaicking. In this paper, after an overview of all prob...
This paper describes a new planning methodology for the comprehensive upgrading of informal settlements in-situ . This uses a variety of spatial imaging and data capture techniques to link different c...
Inteligeo, the Geospatial database of the Brazilian Federal Police Forensics Department, contains more than 800 layers and almost 7 million features. It was initially stored in a PostgreSQL database ...
Never before have refiners faced the challenges caused by dramatic changes in crude prices and refinery margins. However some worldwide trends have not changed, such as the need to shift refinery prod...
Catalysts, such as HZSM-5(Si/Al=50), HZSM-5(25), zeolite 5A, CaHZSM-5(50), ZnHZSM-5(50), and Kaolin were used in upgrading of crude biomass oil from pyrolysis in a fixed-bed reactor under atmospheric ...
In this study, a new upgrading method with supercritical water was developed for heavy oil in order to produce light oil that was free from heavy metal and heavy hydrocarbon fraction under coke suppr...
Hydrothermal desulfurization was evaluated for the upgrading of bitumen in supercritical water with alkali, based on the formation and decomposition of thiophene derivatives. In the alkaline hydrothe...
This study aimed to clarify the characteristics of the upgrading reaction of bitumen in supercritical water with alkali compared to pyrolysis, and to obtain more information about desulfurization in ...
Upgrading technology for heavy residue in which sulfur and metals are concentrated is getting more important since crude oils tend to be heavier. In this paper, first characteristics of heavy crude o...
Utilization of heavy crude including unconventional oil may be indispensable to cope with an increasing demand of crude oil in developing countries, such as China and India. Upgrading technologies a...
This investigation presents the use of Fiber Reinforced Polymer (FRP) composite systems in upgrading existing reinforced concrete frames to meet strength and ductility requirements laid out in recent ...

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