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The analysis of oils from the hydrogenation and supercritical gas extraction

Author: Kershaw, JR Date: 1976 The oils from dynamic and static hydrogenation, supercritical gas extraction and soxhlet extraction were separated into a number of fractions by absorption chromatography on silica-gel. The fractions from this chromatographic separation were ... Read more
Interim report on mineral matter in coal - the reactivity of the mineral matter at room temperature

Author: Gaigher, JL Date: 1977 This report deals with the reactivity of mineral matter prepared from coal by the radio-frequency oxidation method, with the using X-ray diffraction to detect mineral phase changes, and possible react ion mechanisms. Read more
Investigation into the thermal behaviour of the B2–NiAl intermetallic alloy produced by compaction and sintering of the elemental Ni and Al powders

Author: Camagu, Sigqibo T ; Mathabathe, Maria N ; Motaung, David E ; Muller, TFG ; Arendse, CJ ; Bolokang, Amogelang S Date: Nov 2019 A cubic B2–NiAl alloy was synthesized by mixing of elemental Ni and Al powders followed by cold compacting and sintering of some samples at 750 °C and other samples at 1300 °C. The alloys sintered at 1300 °C exhibited a brittle B2–NiAl structure ... Read more
Representing chemicals using OWL, description graphs and rules

Author: Hastings, J ; Dumontier, M ; Hull, D ; Horridge, M ; Steinbeck, C ; Sattler, U ; Stevens, R ; Horne, T ; Britz, K Date: Jun 2010 Objects can be said to be structured when their representation also contains their parts. While OWL in general can describe structured objects, description graphs are a recent, decidable extension to OWL which support the description of classes ... Read more

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Browsing by Subject "Chemicals"

Browsing by Subject "Chemicals"

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