Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Risti Ragadhita"'
Autor:
Asep B. D. Nandiyanto, Willy C. Nugraha, Intan Yustia, Risti Ragadhita, Meli Fiandini, Hanny Meirinawati, Diana R. Wulan
Publikováno v:
Записки Горного института, Vol 265, Pp 104-120 (2024)
One of the techniques used in extracting gold in small-scale gold mining is mercury amalgamation. However, the use of mercury presents significant health and environmental hazards, as well as suboptimal efficiency in gold extraction. This study explo
Externí odkaz:
https://doaj.org/article/eed8ef29c8b6437d87cd043a42d9c06b
Autor:
Asep Bayu Dani Nandiyanto, Aisha Nadhira Syazwany, Karina Nur Syarafah, Themy Sabri Syuhada, Risti Ragadhita, Erna Piantari, Obie Farobie, Muhammad Roil Bilad
Publikováno v:
Automotive Experiences, Vol 7, Iss 1 (2024)
This study aims to develop asbestos-free and environmentally friendly brake pads using apus bamboo powder (Gigantochloa apus). In the experiments, bamboo powder, resin, and catalyst were used as the raw materials and varied to ensure the quality of t
Externí odkaz:
https://doaj.org/article/4cf5b60c9df6438b8f09523395730f2c
Publikováno v:
Sustainable Engineering and Innovation, Vol 5, Iss 1, Pp 22-30 (2023)
This study aims to design and analyze the design of a batch-type reactor to optimize the production of gold nanoparticles on an industrial scale. The method used in the design of this reactor is the computational analysis of the reactor calculations,
Externí odkaz:
https://doaj.org/article/d42f098ed04e4323803f761d5081ac22
Autor:
Asep Bayu Dani Nandiyanto, Risti Ragadhita, Muji Setiyo, Abdulkareem Sh. Mahdi Al Obaidi, Arif Hidayat
Publikováno v:
Automotive Experiences, Vol 6, Iss 3 (2023)
This study aimed to comprehensively analyze particulate matter (PM) emissions from vehicles, focusing on their sources based on combustion and non-combustion process, classification (PM10, PM2.5, PM0.1), and health implications (including PM transpor
Externí odkaz:
https://doaj.org/article/96167283293f43c4bb89f35eb2bfa7c7
Publikováno v:
Sustainable Engineering and Innovation, Vol 4, Iss 2, Pp 206-216 (2022)
Heat exchangers are used to transferring energy (heat), using fluids or gases, both hot and cold, from one area to another due to temperature differences. Almost all agricultural wastes serve as carbon products which are essential to produce graphene
Externí odkaz:
https://doaj.org/article/391f09713c9b4531b92270ad5c10ddc9
Autor:
Asep Bayu Nandiyanto, Irine Sofianty, Rofi Fadilah Madani, Adani Ghina Puspita Sari, Fitri Febriyanti, Risti Ragadhita, Rina Maryanti, Eddy Soeryanto Soegoto
Publikováno v:
Jurnal Teknik Industri, Vol 23, Iss 2, Pp 79-92 (2022)
Lanthanum oxide (La2O3) nanoparticles are widely applied in various fields and have the potential to be made on a fabrication scope. As a consequence, feasibility studies for generating industries for La2O3 production are required, particularly in de
Externí odkaz:
https://doaj.org/article/e9f25e482cb64460acd607a368a558b5
Autor:
Asep Bayu Dani Nandiyanto, Risti Ragadhita, Meli Fiandini, Dwi Fitria Al Husaeni, Dwi Novia Al Husaeni, Farid Fadhillah
Publikováno v:
Communications in Science and Technology, Vol 7, Iss 1, Pp 50-61 (2022)
The objective of this study is to develop a new environmentally-friendly brake pad made from eggshells (Es) and banana peels (BPs) as reinforcement agents. E and BP particles as dual reinforcement with various compositions were combined. The E/BP mix
Externí odkaz:
https://doaj.org/article/015b9dac046940a9a3722d90447f69c4
Publikováno v:
International Journal of Technology, Vol 13, Iss 2, Pp 432-443 (2022)
The objective of this study was to evaluate the effects of starch, lipid, and protein components in flour on the mechanical properties of Indonesian Biji Ketapang (BK) cookies. Since the type of flour determines the amounts of nutrients, three typ
Externí odkaz:
https://doaj.org/article/252bbf44c9d04d0a85d59259c581d706
Autor:
Endang Rusyani, Fauzia Nur Awaliah, Rina Maryanti, Dwi Fitria Al Husaeni, Risti Ragadhita, Budi Susetyo
Publikováno v:
Indonesian Journal of Educational Research and Technology, Vol 2, Iss 1, Pp 45-56 (2022)
This study aims to determine the increase in the results of the application of speech development to the formation of object vocabulary in deaf children. The approach used is a quantitative approach with the Single Subject Research (SSR) experimental
Externí odkaz:
https://doaj.org/article/b05412e455d340f68943279826a6815d
Publikováno v:
Indonesian Journal of Teaching in Science, Vol 2, Iss 1, Pp 29-38 (2022)
The research is quantitative descriptive research on the attitudes of high school students with hearing impairment towards learning adaptive physical education online in special schools based on phenomena happening right now. To find out the attitude
Externí odkaz:
https://doaj.org/article/f8fd0e2ec97c4286893779f690090751