Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Nurdin Siregar"'
Publikováno v:
Journal of Ecological Engineering, Vol 24, Iss 11, Pp 268-273 (2023)
Rice husk ash (RHA) nanoparticles have been made to be applied as a filler in the formation of Polyvinyl Alcohol (PVA) nanocomposites. The manufacture of rice husk ash nanoparticles was used by the Ball Mill method and the coprecipitation method, whi
Externí odkaz:
https://doaj.org/article/aa2f54058bed40d88a7f8a0bce5f7649
Publikováno v:
Baghdad Science Journal, Vol 21, Iss 1 (2024)
This study synthesized nanocomposite photocatalyst materials from a mixture of Cu2O nanoparticles, ZnO nanoparticles, and graphene oxide (GO) through coprecipitation and hydrothermal methods. This study aims to determine the optimum composition of Cu
Externí odkaz:
https://doaj.org/article/4bbd900ca3784c3c9caed61b538c846a
Publikováno v:
ACS Omega, Vol 6, Iss 49, Pp 34185-34191 (2021)
Externí odkaz:
https://doaj.org/article/bc8b0173615f438bb1aa9b8d22278cf8
Autor:
Nurdin Siregar, Motlan, Jonny Haratua Panggabean, Makmur Sirait, Juniastel Rajagukguk, Noto Susanto Gultom, Fedlu Kedir Sabir
Publikováno v:
International Journal of Photoenergy, Vol 2021 (2021)
A dye-sensitized solar cell (DSSC) device using Mg-doped Zn thin films as photoanode and fruit extract of rose myrtle (Rhodomyrtus tomentosa) as the natural dye was investigated. The effect of annealing temperature (400-550°C) on the films of photoa
Externí odkaz:
https://doaj.org/article/41f289406b5e4eedaeef4afa3c199570
Autor:
Ali Nurdin Siregar
Publikováno v:
PRIMER : Jurnal Ilmiah Multidisiplin. 1:55-59
Latar belakang dalam penelitian ini adalah motivasi dan hasil belajar peserta didik masih rendah. Tujuan penelitian yaitu : “untuk mengetahui Pengaruh Motivasi Belajar Terhadap Hasil Belajar Peserta Didik di Kelas XI SMA Negeri 1 Sipirok Tahun Pela
Autor:
Aslina Br Ginting, Nurdin Siregar
Publikováno v:
Jurnal Scientia Indonesia. 8:131-146
This study aims to determine the misconceptions that occur in junior high school students in the city of Medan in the science subject of vibration and waves. This research includes descriptive research. The research population is all junior high scho
Publikováno v:
Baghdad Science Journal.
This study synthesized nanocomposite photocatalyst materials from a mixture of Cu2O nanoparticles, ZnO nanoparticles, and graphene oxide (GO) through coprecipitation and hydrothermal methods. This study aims to determine the optimum composition of Cu
Publikováno v:
Science and Technology Applications.
Zeolite Pahae an adsorbent material by activating physical and chemical processes has been synthesized. The methods used are ball milling and coprecipitation methods. Zeolite was ball milling and activated, then sieved using 100 mesh and 200 mesh sie
Publikováno v:
Proceedings of the 4th International Conference on Science and Technology Applications, ICoSTA 2022, 1-2 November 2022, Medan, North Sumatera Province, Indonesia.
Publikováno v:
Proceedings of the 4th International Conference on Science and Technology Applications, ICoSTA 2022, 1-2 November 2022, Medan, North Sumatera Province, Indonesia.