Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Zeni Ulma"'
Autor:
Bayu Rudiyanto, Intan Rida Agustina, Zeni Ulma, Dafit Ari Prasetyo, Miftah Hijriawan, Bambang Piluharto, Totok Prasetyo
Publikováno v:
International Journal of Renewable Energy Development, Vol 12, Iss 2, Pp 270-276 (2023)
Coconut shells and waste cassava peels could be used as the main raw material for biomass briquettes for alternative energy sources in Indonesia. This study aims to analyze the quality of briquettes based on a coconut shell and cassava peel adhesive
Externí odkaz:
https://doaj.org/article/4f6cfb37a05740299334a59adbbf0a0b
Publikováno v:
Journal of Engineering Science and Technology. 1:32-43
Energy is generally divided into two, the first is non-renewable energy for example oil, coal, and natural gas while the second is renewable energy such as water power, solar power, wind power, and biomass. Briquettes is one of the developments of bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f195f1632e584591567b056bc0a0f02e
https://doi.org/10.47134/jesty.v1i1.3
https://doi.org/10.47134/jesty.v1i1.3
Publikováno v:
Jurnal Pengendalian Pencemaran Lingkungan (JPPL). 4:9-20
Polystyrene plastic or stryrofoam is very popular to be used as a food packaging container even though Styrofoam has a bad impact on health. In addition, Styrofoam also cannot be biodegraded naturally in the environment so that the use of Styrofoam i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85385f195dc0a28226b4ee2870f7f235
https://doi.org/10.35970/jppl.v4i2.1430
https://doi.org/10.35970/jppl.v4i2.1430
Publikováno v:
Jurnal Teknik Terapan. 1:1-4
Reaksi metilasi adalah reaksi penggantian atom atau molekul dengan gugus metil. Beberapa parameter yang mempengaruhi proses metilasi antara lain rasio bahan dan waktu metilasi, namun hasil metilasi tidak optimal. Pada penelitian ini dilakukan penamba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c26475430ba99f935474ac9c50421f8
https://doi.org/10.25047/jteta.v1i1.6
https://doi.org/10.25047/jteta.v1i1.6
Autor:
Risse Entikaria Rachmanita, Zeni Ulma
Publikováno v:
Journal of Community Development. 3:33-41
Distance Learning which is currently being implemented as a result of the Covid-19 pandemic which has lasted for almost 1.5 years has caused psychological problems for students. The problems that arise include boredom due to monotonous learning, less
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9ec7cb0ef7943ad35fe65aa7f5ef27c
https://doi.org/10.47134/comdev.v3i1.67
https://doi.org/10.47134/comdev.v3i1.67
Publikováno v:
Jurnal Teknologi Sumberdaya Mineral (JENERAL). 3:69
Limbah sludge biogas dari kotoran sapi berpotensi untuk dibuat briket. Kotoran sapi dapat digunakan sebagai bahan baku briket karena memiliki kandungan kimiawi cukup baik. Kandungan kimiawi kotoran sapi antara lain 22,59% selulosa, 18,32% hemiselulos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afd6b747308fac4c5b2e723a48ae5b50
https://doi.org/10.19184/jeneral.v3i2.34350
https://doi.org/10.19184/jeneral.v3i2.34350
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 299:012075
The stability of natural dyes to the changes of pH is really necessary when the natural dyes are applied either on fabric or food. This research aimed to increase the stability of brazilein, a compound contained within the secang wood extract, to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a924634cb0960cb9acc910dafadecc5
https://doi.org/10.1088/1757-899x/299/1/012075
https://doi.org/10.1088/1757-899x/299/1/012075