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of 10
pro vyhledávání: '"Hamdani Ahmad Helman"'
Autor:
Hamdani Ahmad Helman
Publikováno v:
BIO Web of Conferences, Vol 73, p 03010 (2023)
Mineral downstream is a strategy to increase the added value of commodities owned by a country. With downstream, exported commodities are no longer raw materials but have become semi-finished goods. The construction of mineral processing facilities i
Externí odkaz:
https://doaj.org/article/3d54a559b13e42cbbb58fb274095cfbf
Publikováno v:
BIO Web of Conferences, Vol 73, p 04009 (2023)
Limestone is a sedimentary rock with high heterogeneity. This is triggered by diagenetic processes that affect the quality of limestone during its formation. The high uncertainty in limestone porosity values is also influenced by diagenetic processes
Externí odkaz:
https://doaj.org/article/a3b4fa7eb46d420bbe0cc2845173f304
Autor:
Sutadiwiria Yarra, Hamdani Ahmad Helman, Sendjaja Yoga Andriana, Haryanto Iyan, Siahaan Yeftamikha, Siahaan Mordekhai
Publikováno v:
Geologos, Vol 25, Iss 1, Pp 75-90 (2019)
Borehole K-1 is an exploratory well that was drilled in the North Makassar Basin (West Sulawesi) in 2011. Gas chromatography (GC) and gas chromatography-mass chromatography (GC-MS) analyses have been conducted on extracts from well cuttings from the
Externí odkaz:
https://doaj.org/article/a5f8919ea35b4604bc265fe07f87bfad
Publikováno v:
International Journal of GEOMATE; Oct2024, Vol. 27 Issue 122, p124-131, 8p
Autor:
Hamdani, Ahmad Helman1 ahmad.helman@unpad.ac.id, Hutabarat, Johanes1
Publikováno v:
Petroleum & Coal. 2020, Vol. 62 Issue 4, p1329-1337. 9p.
Autor:
SUDRADJAT, ADJAT1, HAMDANI, AHMAD HELMAN1 ahmad_helman_pgp@yahoo.co
Publikováno v:
Indonesian Journal on Geoscience. Dec2018, Vol. 5 Issue 3, p235-250. 16p.
Autor:
SUTADIWIRIA, YARRA1 yarra@skkmigas.go.id, HAMDANI, AHMAD HELMAN1, SENDJAJA, YOGA ANDRIANA1, HARYANTO, IYAN1, YEFTAMIKHA2
Publikováno v:
Indonesian Journal on Geoscience. Dec2018, Vol. 5 Issue 3, p211-220. 10p.
Autor:
Hamdani, Ahmad Helman1 ahmad_helman_pgp@yahoo.com
Publikováno v:
International Journal of Geophysics. 7/5/2015, Vol. 2015, p1-8. 8p.
Publikováno v:
Oriental Journal of Chemistry; Jun2019, Vol. 35 Issue 3, p1103-1111, 9p
Publikováno v:
AIP Conference Proceedings; Sep2013, Vol. 1554 Issue 1, p253-256, 4p, 2 Maps