Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Arizal Firmansyah"'
Autor:
Yulfi Zetra, Rafwan Year Perry Burhan, Sulistiyono Sulistiyono, Arizal Firmansyah, Darin Salsabila
Publikováno v:
Indonesian Journal of Chemistry, Vol 23, Iss 6, Pp 1567-1583 (2023)
A study of the sedimentary rocks of the Ngrayong formation has been carried out on five samples from the Polaman outcrop point to determine the potential of coal as a source rock for producing oil and gas through GC-MS analysis. Biomarker analysis sh
Externí odkaz:
https://doaj.org/article/c55c48f2981e4eb088626d9ef0cd091c
Autor:
Yulfi Zetra, Anis Febriati, Dyah Nirmala, Rafwan Year Perry Burhan, Arizal Firmansyah, Zjahra Vianita Nugraheni
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 6, Pp 1574-1585 (2022)
Liquefaction of low-rank coal has been done to optimize the utilization of low-rank coal, which is less economical for obtaining alternative fuel oil. Coal samples were taken from the Bukit Pinang coal mine, Samarinda Ulu, East Kalimantan. Coal was l
Externí odkaz:
https://doaj.org/article/e5d245ecdd20483d95552a2e1e1d7554
Publikováno v:
Indonesian Journal of Chemistry, Vol 22, Iss 3, Pp 845-856 (2022)
The present work aims to study the synthesis of 2-hydroxyethyl esters from castor oil and its lubrication properties, promising as a lubrication bio-additive in low sulfur diesel fuel. This compound has been successfully synthesized from castor oil a
Externí odkaz:
https://doaj.org/article/3072214b17964f83ac420287df053c1d
Publikováno v:
Ulul Albab, Vol 16, Iss 2, Pp 191-214 (2015)
This article reveals hadith instructions on palm fruit and olives in terms of value and quality tradition of understanding meaning, and in terms of secret scientific explanations about it. Research conducted by using a qualitative approach. Researche
Externí odkaz:
https://doaj.org/article/560674ce2cf94db58a9b73c42fa2d5dd
Publikováno v:
Automotive Experiences, Vol 4, Iss 1 (2021)
The desulphurization process of diesel fuel is carried out to reduce the amount of SO2 emissions that can cause acid rain. However, the desulphurization process in diesel fuel not only removes the sulfur compounds but polyaromatic and polar compounds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8ba76d22729d9258477319e780c3caa
https://doi.org/10.31603/ae.4694
https://doi.org/10.31603/ae.4694
Publikováno v:
JIPVA (Jurnal Pendidikan IPA Veteran), Vol 4, Iss 1, Pp 25-38 (2020)
Modul merupakan salah satu faktor penunjang keberhasilan proses pembelajaran. Penelitian ini bertujuan untuk mengembangkan modul kimia berbasis kearifan lokal Kota Semarang (kampung jamu dan kampung batik) pada materi larutan asam dan basa. Penelitia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::abe24c4592a9fc4a0b6aa3d6eeb56e73
http://e-journal.ivet.ac.id/index.php/jipva/article/view/1025
http://e-journal.ivet.ac.id/index.php/jipva/article/view/1025
Publikováno v:
Tarbiya : Journal of Education in Muslim Society, Vol 5, Iss 2, Pp 166-177 (2019)
Many students have found the difficulties to give proper evidence scientifically. Therefore, it is necessary to provide the learning approach model which guides students to argue scientifically on the laboratory work writing namely science writing he
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b4c2dd411a661fb492bd1523df18c69
http://journal.uinjkt.ac.id/index.php/tarbiya/article/view/10412
http://journal.uinjkt.ac.id/index.php/tarbiya/article/view/10412
Publikováno v:
Proceedings of the 2nd Borobudur International Symposium on Science and Technology (BIS-STE 2020).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a08603146b974782fc8c8c6cf19b9e81
https://doi.org/10.2991/aer.k.210810.072
https://doi.org/10.2991/aer.k.210810.072
Publikováno v:
Proceedings of the 2nd Borobudur International Symposium on Science and Technology (BIS-STE 2020).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b601526101f1c25c55b92abbd4e34f0
https://doi.org/10.2991/aer.k.210810.083
https://doi.org/10.2991/aer.k.210810.083
Publikováno v:
Al-Kimia, Vol 6, Iss 1, Pp 87-96 (2018)
Penelitian ini membahas tentang kata ‘air raksa’ yang terdapat dalam Tafsir Al-Maraghi. Imam Musthofa Al-Maraghi memberikan penafsiran pada surat al-A’raf ayat 116 dan Thaha ayat 66 bahwa perubahan tongkat dan tali menjadi ular karena ada air r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::40adec45bd3805b73083580eec43fd27
http://journal.uin-alauddin.ac.id/index.php/al-kimia/article/view/4334
http://journal.uin-alauddin.ac.id/index.php/al-kimia/article/view/4334