Enhanced Aerosol Particle Filtration Efficiency of Nonwoven Porous Cellulose Triacetate Nanofiber Mats

by Ratna Balgis, Hiroyuki Murata, Takashi Ogi, Makoto Kobayashi, Li Bao
Published 2018-07-01

Physicochemical properties and photocatalytic activity of bismuth oxide as affected by weak or strong base precipitants

by Yayuk Astuti, Arum Dista Wulansari, Abdul Haris, Adi Darmawan, Ratna Balgis
Published 2021-06-01

Effect of Fuels on the Physicochemical Properties and Photocatalytic Activity of Bismuth Oxide, Synthesized using Solution Combustion Method

by Yayuk Astuti, Darul Amri, Didik S. Widodo, Hendri Widiyandari, Ratna Balgis, Takashi Ogi
Published 2020-01-01

Hydrazine and Urea Fueled-Solution Combustion Method for Bi2O3 Synthesis: Characterization of Physicochemical Properties and Photocatalytic Activity

by Yayuk Astuti, Prisca Putri Elesta, Didik Setyo Widodo, Hendri Widiyandari, Ratna Balgis
Published 2020-04-01

Highly conductive nano-sized Magnéli phases titanium oxide (TiOx)

by Aditya F. Arif, Ratna Balgis, Takashi Ogi, Ferry Iskandar, Akihiro Kinoshita, Keitaro Nakamura, Kikuo Okuyama
Published 2017-06-01