Zobrazeno 1 - 8
of 8
pro vyhledávání: '"David Candra B"'
Publikováno v:
Jurnal Riset Teknologi Industri. 14:45
Penelitian pemurnian pasir silika menjadi pasir standar yang digunakan untuk pengujian semen sebagai pengganti pasir ottawa dilakukan untuk mendapat kemurnian SiO 2 > 98% dengan menggunakan pelarut ekstrak belimbing wuluh. Bahan pelarut diambil dari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dee4f53bccb7baf8183a2791c44b288d
https://doi.org/10.26578/jrti.v14i1.5605
https://doi.org/10.26578/jrti.v14i1.5605
Autor:
Irza Sukmana, Yusup Hendronursito, Shirley Savetlana, Kusno Isnugroho, Muhammad Amin, David Candra Birawidha
Publikováno v:
International Journal of Technology, Vol 13, Iss 4, Pp 870-879 (2022)
Glass-ceramics were fine-grained polycrystalline materials produced by controlled crystallization in the glass phase to have outstanding characteristics. The establishment of basalt from Sukadana - Lampung Province into glass-ceramic begins with t
Externí odkaz:
https://doaj.org/article/57356a07dc304d758115853ae88b1cf9
Autor:
Anwar, Muhammad Amin, Sudibyo, David Candra Birawida, Yusup Hendronursito, Evi Dwi Yanti, Kusno Isnugroho
Publikováno v:
Jurnal Teknik Sipil, Vol 30, Iss 1 (2023)
Abstrak Telah dilakukan penelitian mengenai pengaruh variasi ukuran butir dan subtitusi material slag sebagai bahan subtitusi semen terhadap sifat fisik dan nilai kuat tekan mortar. Penelitian ini bertujuan untuk mengetahui pengaruh subtitusi slag
Externí odkaz:
https://doaj.org/article/04e4c9b521e74e96b0a55174fd872172
Autor:
Yusup Hendronursito, Asep Andri Saputra, Tumpal Ojahan Rajaguguk, Slamet Sumardi, Yayat Iman Supriyatna, Kusno Isnugroho, David Candra Birawidha, Muhammad Amin
Publikováno v:
Rekayasa Mesin, Vol 12, Iss 2, Pp 391-399 (2021)
Basalt rock has great potential in Lampung Province but is only used as a building construction material. Basalt has superior characteristics such as abrasion/wear resistance, compressive strength and chemical reaction resistance making it suitable a
Externí odkaz:
https://doaj.org/article/cd66868933f14f98a97d71b808f5e8df
Autor:
David Candra Birawidha, Kusno Isnugroho, Yusup Hendronursito, Muhammad Amin, Muhammad Al Muttaqii
Publikováno v:
Jurnal Ilmiah SINERGI, Vol 25, Iss 3, Pp 299-308 (2021)
An experimental study on the manufacture of polyester resin matrix composites using basalt powder as a reinforcing filler has been carried out. Basalt is a volcanic igneous rock often found in East Lampung and has not been utilised. Basalt is chosen
Externí odkaz:
https://doaj.org/article/0a8d79102f2a4790a5a2746cd5abf404
Autor:
Muhammad Amin, David Candra Birawidha, Kusno Isnugroho, Yusup Hendronursito, Slamet Sumardi, Septa Ario, Syafriadi Syafriadi, Muhammad Al-Muttaqii
Publikováno v:
Acta Polytechnica, Vol 59, Iss 6, Pp 536-542 (2019)
This study was conducted to determine the effect of the concentration of basalt as a cement substitution material in mortar. Basalt was analysed by XRD and XRF. From the XRD results, the diffractogram shows the dominant phases, such as anorthite, aug
Externí odkaz:
https://doaj.org/article/da328ae6c60341a89cb4156c5f7dfcf7
Autor:
Yusup Hendronursito, Junita Barus, Muhammad Amin, Muhammad Al Muttaqii, Tumpal Ojahan Rajagukguk, Kusno Isnugroho, David Candra Birawidha
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 7, Iss 1, Pp 1977-1985 (2019)
Indonesia has an abundant amount of basalt rocks resources, including in East Lampung Regency of Lampung Province. This basalt has not been used optimally and only be used as a foundation. The use of basalt as soil fertilizer also known as the stone
Externí odkaz:
https://doaj.org/article/ebb6c736d7d74d798ef0f625b0a2ced4
Autor:
Muhammad Amin, David Candra Birawidha, Kusno Isnugroho, Yusuf Hendronursito, Muhammad Al Muttaqqi, Nurbaiti Marsas Prilitasari
Publikováno v:
Jurnal Presipitasi, Vol 16, Iss 2, Pp 44-52 (2019)
Desulphurization process can improve the quality of coal and reduce the environmental pollution. In this study, the method used for desulphurization process was a leaching method using wuluh starfruit extract as a leaching agent. Starfruit extract ob
Externí odkaz:
https://doaj.org/article/352831dfcc6f42898f65d54bc5565caa