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Pyranocoumarin and Triterpene from Millettia Richardiana
From the stem bark of a Madagascan endemic plant, Millettia richardiana Baill., lonchocarpenin and betulinic acid were isolated and their structures established by spectroscopic methods. The analysisExpand
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Effect of Scoria on Various Specific Aspects of Lightweight Concrete
Experimental research on the technical characteristics of lightweight concretes incorporating scoria was conducted. The objective of this research is to investigate the feasibility and effectivenessExpand
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GEOCHEMICAL STUDY OF BEMOLANGA TAR SAND AND TSIMIRORO HEAVY OIL DEPOSIT IN THE WEST SEDIMENTARY BASIN OF MADAGASCAR
BEMOLANGA (BML) tar sand and TSIMIRORO (TSM) heavy oil have been subjected to various geochemical studies during the past years. These geochemical data have largely contributed to deeper knowledge ofExpand
The origin of Madagascar chromitites
Abstract Precambrian rocks of Madagascar host numerous chromitite occurrences, ranging from centimeter-thick lenses and seams to orebodies containing millions of tons. Production of chromiteExpand
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