Carbohydrates make up the largest part of the organic matter in the biosphere and are used by living organism for many different reasons. They serve, among others, as carbon and energy source as well as metabolic intermediates.
Some of high rank coal occurrences in Kalimantan Basins-Indonesia have been identified an on of the bituminous umented as coking Coal deposits The occurrence of the coking coal deposits boea y high fluidity, although the atent of inert macerals appears coals in general are dominated by vitrinite macerals with minor inertinite and liptinite contents …
An om a l .i es of s u l f u r d i ox i de and other gases have been defined, by direct measurement, around various sulfide bodies. These readings were made (1) in soil gas and (2) in the atmos• phere, from bo…
Oil shale is one of alternative energy to substitute the conventional oil. In Indonesia, oil shales are found in many places, including Silat Shale of Upper Eocene. The studies of organic geochemistry and oil content were performed on this formation in Nanga Silat area of Kapuas Hulu Regency with purposes to determine the abundance, type, thermal ma…
Endapan batubara Indonesia dapat dibagi dalam dua kelompok utama, Batubara Paleogen dan Batubara Neogen, yang masing-masing mempunyai karakter tersendiri, baik sebarannya maupun kualitasnya. Analisis kandungan sulfur pada sejumlah conto batubara dari berbagai cekungan batubara Indonesia dilakukan untuk mengetahui pola nilai kandungan sulfur batubar…