Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Siti Nikmatin"'
Autor:
Rahmah Asri Nurani Hanifan, Siti Hajar, Nazopatul Patonah Har, Mahfuddin Zuhri, Erus Rustami, Siti Nikmatin, Irzaman Irzaman
Publikováno v:
Jurnal Ilmiah Pendidikan Fisika Al-Biruni, Vol 12, Iss 2, Pp 231-242 (2023)
Indonesia has an abundant amount of industry. Production in large, medium, and small industries still uses gas and oil as fuel sources. The fuel sources used still come from non-renewable energy. There is a need for alternative use of renewable energ
Externí odkaz:
https://doaj.org/article/af8948f12d8a4cc9b2beb193290b309e
Publikováno v:
Jurnal Pengabdian UNDIKMA, Vol 4, Iss 2, Pp 275-283 (2023)
This community service activity aims to improve the economy of the village community and bring biomaterial research innovation results through the processing of banana stems into yarn as a raw material for cloth and the creative industry. The method
Externí odkaz:
https://doaj.org/article/6b09f534b595468381f6995abbc4ae53
Publikováno v:
Jurnal Riset Kimia, Vol 14, Iss 1, Pp 25-34 (2023)
The manufacture of vibration damping material from natural rubber (NR) required an increase in dynamic properties, thermal stability, and resistance to heat. Using the Carbon Black N990 as a filler in NR vulcanizates can potentially increase on these
Externí odkaz:
https://doaj.org/article/b63249a581ca4466b04b6b031cbb82b2
Publikováno v:
Songklanakarin Journal of Science and Technology (SJST), Vol 45, Iss 1, Pp 104-112 (2023)
It is well-recognized that the sulfur to accelerator (S/A) ratio greatly influences the nature of rubber vulcanizates. Viscoelasticity, vibration damping, and thermal stability are important properties of rubber vulcanizates used in vibration isola
Externí odkaz:
https://doaj.org/article/537fc1e0b1aa4f2ba9c8594c4fefcf8f
Publikováno v:
International Journal of Biomaterials, Vol 2023 (2023)
This research aims to examine the characteristics of bulletproof vests from corncob oil palm empty fruit bunch (COPEFB) biocomposite, where mechanical, electrical, and physical resistance tests have been successfully conducted. The variations in the
Externí odkaz:
https://doaj.org/article/7201b0bc543d4707a3dc7ad242b5661f
Autor:
Siti Nikmatin, Irmansyah Irmansyah, Bambang Hermawan, Teddy Kardiansyah, Frederikus Tunjung Seta, Irma Nur Afiah, Rofiqul Umam
Publikováno v:
Polymers, Vol 14, Iss 15, p 3208 (2022)
The creative fashion industry produces several textile products that play an important role in the national economy. In various countries, this industry has continued to grow along with the strong flow of information technology and e-commerce. The de
Externí odkaz:
https://doaj.org/article/4019a40ca94e44adad953f4df6a2baa3
Autor:
Marwanto Marwanto, Muhammad Iqbal Maulana, Fauzi Febrianto, Nyoman Jaya Wistara, Siti Nikmatin, Nanang Masruchin, Lukmanul Hakim Zaini, Seung-Hwan Lee, Nam-Hun Kim
Publikováno v:
Polymers, Vol 13, Iss 11, p 1894 (2021)
This study aimed to evaluate the effect of ammonium persulfate’s (APS) oxidation time on the characteristics of the cellulose nanocrystals (CNCs) of balsa and kapok fibers after delignification pretreatment with sodium chlorite/acetic acid. This tw
Externí odkaz:
https://doaj.org/article/3a76c187b0c04df6bcf752c7bd42a4e9
Publikováno v:
Makara Journal of Science, Vol 21, Iss 2, Pp 59-68 (2017)
The objective of this research was to analyze the morphology, crystallinity, elemental components, and functional group changes, as well as thermal stability of nanofibrillated cellulose (NFC). Nanofibrillated cellulose has an irregular and aggregate
Externí odkaz:
https://doaj.org/article/59ed82fe8c204c95bf465cb1222a4340
Publikováno v:
BioResources, Vol 12, Iss 1, Pp 1090-1101 (2016)
Exploration of natural resources as composite fillers is still under intensive investigation. Previous works mention that nano-size natural fillers provide an alternative solution to improve certain composite properties compared with macro- and micro
Externí odkaz:
https://doaj.org/article/1d3e2d7d8b1b44c5a8232b1f9e983e5d
Publikováno v:
BioResources, Vol 11, Iss 1, Pp 2224-2237 (2016)
The fibers of oil palm empty fruit bunch (OPEFB) stalks were investigated to determine the changes in their basic properties after oven-heat treatment. The oven-heat treatment was conducted at 100 °C or 190 °C for 15 min. There were slightly notice
Externí odkaz:
https://doaj.org/article/e5b20a4d45374c9e834bda14769a5209