The grading classification for Styrax sumatrana resins based on physico chemical characteristics using two-step cluster analysis

Non timber forest management of styrax resin has become the main community livelihood in the Tapanuli region, North Sumatra, Indonesia. However, thousands of tons of incense resin produced have not been graded simply and inaccurately. The resin grading has been determined visually based on shape, si...

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Veröffentlicht in:	IOP conference series. Materials Science and Engineering 2020-09, Vol.935 (1), p.12013
Hauptverfasser:	Aswandi, A, Kholibrina, C R
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Ashes Chemical properties Cinnamic acid Classification Cluster analysis Clustering Forest management Impurities Melting points Moisture content Purity Quality Resins Timber
Online-Zugang:	Volltext
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