Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Rita Sundari"'
Publikováno v:
Rekayasa Mesin, Vol 15, Iss 1, Pp 411-424 (2024)
This paper has analyzed dominant zinc element in sphalerite naturally found together with galena in mineral ore. Since pyrometallurgical route related to roasting process is very common to mineral dressing, therefore, this investigation has studied t
Externí odkaz:
https://doaj.org/article/e1178a186e6040b7bfc2442b3de99bd3
Publikováno v:
Agrointek, Vol 17, Iss 3, Pp 577-588 (2023)
Coconut shell waste has generated environmental problems in Indonesia. Due to fossil fuel shortage, coconut shell waste has been advantaged as an energy source to replace the fossil energy. A pyrolysis technique has been used to crack coconut shell w
Externí odkaz:
https://doaj.org/article/c99ce76c6f204b6d962ea08e24fabeeb
Autor:
Wiwik Dahani, Rita Sundari, Subandrio Somali, Irfan Marwanza, Andriyani Andriyani, Djoko Hartanto, Khuzaimah Arifin, Ratna Ediati
Publikováno v:
Jurnal Ilmiah SINERGI, Vol 27, Iss 2, Pp 271-280 (2023)
This article aimed to separate ilmenite (FeTiO3) mineral from tin tailing applying a single splitter IRMS (Induced Roll Magnetic Separator). Ilmenite mineral is the substantial main source for TiO2. This work used air table middling for feeding. The
Externí odkaz:
https://doaj.org/article/569176ff735a4f41aa3c1070fccaa129
Publikováno v:
Agrointek, Vol 15, Iss 4, Pp 1128-1141 (2021)
Limonene in essential oils is highly valuable attracts great interest of consumers due to its specific fragrance. It is not surprising that many big perfume industries are looking for high purified limonene found in essential oils of certain fruits a
Externí odkaz:
https://doaj.org/article/ea3eb09137d9417bb3bde233079d62ea
Publikováno v:
Jurnal Ilmiah SINERGI, Vol 25, Iss 3, Pp 351-360 (2021)
The Cyclic Voltammetric (CV) technique is one of the Ag/AgCl fabrication processes. In electrochemical processes using this CV technique, the microstructure of the surface of a substrate or electrode can affect the scan rate. Thus, this study aims to
Externí odkaz:
https://doaj.org/article/2a2b3b1168214a0e9f66fc5cd34484fd
Publikováno v:
Jurnal Ilmiah SINERGI, Vol 25, Iss 1, Pp 51-58 (2020)
This preliminary investigation studied the effect of circular turbulator vortex generator on heat transfer rate and pressure drop in a circular channel countercurrent double pipe heat exchanger with water working fluid. Increasing the number of circu
Externí odkaz:
https://doaj.org/article/16e54e96fd5d4fdfbc6976b43e163f42
Autor:
null Wiwik Dahani, null Rita Sundari, null Subandrio Somali, null Irfan Marwanza, null Ebram Fatkhulian Ayungray
Publikováno v:
World Journal of Chemical and Pharmaceutical Sciences. 2:001-008
Galena is a potential source of lead (Pb), which has many used for lead batteries. Indonesia is a country with potential sources of galena mineral. This investigation showed Pb extraction of 0.274 % using acetic acid leaching method with 1.0 M acetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c81f1b09d553a8be3bffa20c3ff496e
https://doi.org/10.53346/wjcps.2023.2.1.0036
https://doi.org/10.53346/wjcps.2023.2.1.0036
Publikováno v:
INSECTA: Integrative Science Education and Teaching Activity Journal. 2:87-94
This study is an experimental research using a quasi-experimental design with the type of non-equivalent control group pretest-posttest. This research aims to reduce Intrinsic Cognitive Load (ICL) through Inquiry Based Learning (IBL) model based STEM
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54508d6ca0d1582feec9b613b2229d04
https://doi.org/10.21154/insecta.v2i1.2482
https://doi.org/10.21154/insecta.v2i1.2482
Autor:
Sagir Alva, Pandu Septyanda, Arif Burhanudin, Deni Shidqi Khaerudini, Siti Nurul Aisyiyah Jenie, Rita Sundari, Khairi Suhud
Publikováno v:
ECS Journal of Solid State Science and Technology. 12:057010
This research is related to the successfully well fabricated NO3-ISE sensor from battery waste disposal. Two types of material used, i.e., the battery waste taken from (i) graphite rods and (ii) carbon paste. The fabrication of NO3-ISE sensors from g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::600232bbb1819e5b0ceca255eb1bc0c9
https://doi.org/10.1149/2162-8777/acd5fd
https://doi.org/10.1149/2162-8777/acd5fd
Autor:
Sri Teguh Priharti, Umar Kalmar Nizar, Rita Sundari, Sri Benti Etika, Budhi Oktavia, Ananda Putra, Rini Anggraini
Publikováno v:
International Journal of Innovation in Mechanical Engineering and Advanced Materials. 3
Corrosion engineering has taken great interest in many industries that required high cost management to overcome the serious problems. This work has investigated the role of watermelon peel extract as green inhibitor to protect carbon steel in seawat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0aae6fa1ff20c89ada34395d034fd92f
https://doi.org/10.22441/ijimeam.v3i3.13759
https://doi.org/10.22441/ijimeam.v3i3.13759