Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Tulus Ikhsan Nasution"'
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 3, Pp 669-681 (2024)
Successfully made adsorbent of activated carbon made from purple corn cob which aims to minimize ammonia (NH3) levels found in water in fish farming with cage ponds. Activated carbon using carbonization method with a change in temperature that is bet
Externí odkaz:
https://doaj.org/article/dfd0324f517a4218b6198f442d53534b
Autor:
Irwana Nainggolan, Sake Juli Martina, Sagir Alva, Bing Li, Tulus Ikhsan Nasution, Ardiansyah Sembiring, Athaya Samira Duha, Saisa Saisa, Rozyanty Rahman, Rica Asrosa
Publikováno v:
South African Journal of Chemical Engineering, Vol 48, Iss , Pp 329-336 (2024)
Cholesterol detection needs to be carried out to detect early symptoms of dangerous diseases such as heart disease. The process of detecting cholesterol in the human blood requires a sensitive detection tool in order to produce accurate values. This
Externí odkaz:
https://doaj.org/article/1e983a1caaa04980867d2c492a953721
Autor:
Irwana Nainggolan, Saisa, Harry Agusnar, Zul Alfian, Sagir Alva, Tulus Ikhsan Nasution, Rozyanty Rahman, Ardiansyah Sembiring
Publikováno v:
South African Journal of Chemical Engineering, Vol 48, Iss , Pp 184-193 (2024)
This paper reports the ability of chitosan-reduced graphene oxide (rGO) modified electrode as a sensitive layer of working electrode in detecting formaldehyde. The electrode substrate is in the form of copper-SPE which has been shaped into 5 mm of se
Externí odkaz:
https://doaj.org/article/0a0ed671025b4ffe9997d662428b0a8e
Autor:
Muhammadin Hamid, Syahrul Humaidi, Hadi Wijoyo, Isnaeni Isnaeni, Indah Revita Saragi, Crystina Simanjuntak, Noor Haida Mohd Kaus, M.M.A. Kechik, Agus Nurbillah, Yazid Yaakob, Tulus Ikhsan Nasution
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100832- (2024)
The synthesis of NS-CDs was carried out using precursors from Cavendish Banana Peel and l-Cysteine as a dopant with the solvothermal method. The characteristics of NS-CDs were analyzed through High-resolution transmission electron microscopy (HR-TEM)
Externí odkaz:
https://doaj.org/article/e54d2295dfe743bdb2377652ac7ab950
Publikováno v:
Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, Vol 11, Iss 2, Pp 476-484 (2023)
This research is based on cases of hail that caused flooding in Binjai City on May 22, 2022. This study aims to see the correlation and regression of the Atmospheric Stability index value on cloud top temperature data from the Himawari-8 satellite im
Externí odkaz:
https://doaj.org/article/760f5e3e5a1a48ef94776c3d72a096f3
Publikováno v:
Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, Vol 11, Iss 2, Pp 407-421 (2023)
Extreme rain is an event that has an impact on various sectors of life. Therefore, this study aims to determine the spatial and temporal characteristics of extreme rain events in North Sumatra Province in the time period between 1991-2020. In accorda
Externí odkaz:
https://doaj.org/article/8efed1b361084622ac10caea2152cde4
Publikováno v:
Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, Vol 11, Iss 2, Pp 450-462 (2023)
Belawan port and coastal areas were also not spared from the impact of the tidal flood. This study aims to determine the performance of the Delft3D hydrodynamic model in simulating sea level and waves in tidal floods at Belawan port and coastal area.
Externí odkaz:
https://doaj.org/article/d204a01ca18c45d2820c985a16d924a6
Publikováno v:
Abdimas Unwahas: Jurnal Pengabdian Masyarakat Unwahas, Vol 6, Iss 2 (2021)
Universitas Sumatera Utara memiliki civitas akademika yang berkontribusi menghasilkan limbah organik yang cukup signifikan. Mendukung Green Campus mencapai peringkat di UI Greenmetric, perlu dikembangkan Unit Pengelolaan Limbah Sistem Manajemen (Sima
Externí odkaz:
https://doaj.org/article/39532ef4dc084b66a7882e3532d0bf7e
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
Blend of chitosan and spinach extract has been successfully prepared using acetic acid as a solvent medium to produce chitosan-spinach films. The conductivity measurements showed that chitosan-spinach films for all ratios of 95 : 5, 90 : 10, 85 : 15,
Externí odkaz:
https://doaj.org/article/fbd0f64c977c4f59acf470d0380ca282
Autor:
Rahmadhani Banurea, Tulus Ikhsan Nasution, Irwana Nainggolan, Muhammad Balyan, Novia S. Lubis
Publikováno v:
AIP Conference Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d61f2d0f2407cdd06af35d1752f075a
https://doi.org/10.1063/5.0136066
https://doi.org/10.1063/5.0136066