Zobrazeno 1 - 10
of 164
pro vyhledávání: '"Kenichi Tonokura"'
Autor:
Sheila Dewi Ayu Kusumaningtyas, Kenichi Tonokura, Robi Muharsyah, Dodo Gunawan, Ardhasena Sopaheluwakan, Windy Iriana, Puji Lestari, Didin Agustian Permadi, R. Rahmawati, Nofi Azzah Rawaani Samputra
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Jakarta Greater Area (JGA) has encountered recurrent challenges of air pollution, notably, high ozone levels. We investigate the trends of surface ozone (O3) changes from the air quality monitoring stations and resolve the contribution of me
Externí odkaz:
https://doaj.org/article/ba7b1fcd69c549009a32dde930a02dbf
Publikováno v:
Atmospheric Environment: X, Vol 20, Iss , Pp 100226- (2023)
This study revealed the importance of two isoprene-derived pathways in the formation of sulfate aerosol (SO42−(p)), which are related to the gas-phase reactions of Criegee intermediates (CIs) and liquid-phase reactions of isoprene hydroxy hydropero
Externí odkaz:
https://doaj.org/article/5873fd76924b48148cc04b24abea3a0c
Publikováno v:
ACS Omega, Vol 7, Iss 36, Pp 31888-31896 (2022)
Externí odkaz:
https://doaj.org/article/abf88b96a75c4640a66e6bed0f26c49d
Autor:
Masafumi Ohashi, Akihiro Kameda, Osamu Kozan, Masahiro Kawasaki, Windy Iriana, Kenichi Tonokura, Daisuke Naito, Kayo Ueda
Publikováno v:
Humanities & Social Sciences Communications, Vol 8, Iss 1, Pp 1-10 (2021)
Abstract Forest fires in peatlands emit pollutants to the atmosphere, affecting public health. Though air quality data and epidemiology information are helpful in the management of the environment and public health, they are not always available. We
Externí odkaz:
https://doaj.org/article/740f3ff022e4435b8fee49c8945a75b4
Autor:
Ryuichi Wada, Yutaka Matsumi, Hiroyuki Yamada, Hisakazu Suzuki, Yasuo Moriyoshi, Kenichi Tonokura, Yasuyuki Itano, Seiichiro Yonemura
Publikováno v:
International Journal of Automotive Engineering, Vol 11, Iss 4, Pp 193-199 (2020)
We developed an analytical method for the detection of nitric oxide (NO), nitrogen dioxides (NO2) and ozone (O3) simultaneously with high time resolution (1 s). The fast analytical method was applied for the observation at the Fuji mountain roadside
Externí odkaz:
https://doaj.org/article/6f753f6e592a451992b555c34a5a1a3f
Publikováno v:
Environmental Advances, Vol 6, Iss , Pp 100138- (2021)
The formation of tropospheric ozone is influenced by emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx), and different regimes of sensitivity to the ozone formation have been identified depending on the concentrations of both gr
Externí odkaz:
https://doaj.org/article/769fa5b5deb548e685e67be76c64f1f7
Publikováno v:
Atmosphere, Vol 13, Iss 8, p 1187 (2022)
Ozone (O3) is a pollutant of concern in urban areas because of its effects on health, crops, ecosystems, and materials. Despite efforts to meet the Japanese air quality standard for O3 in the Kanto region, the attainment percentage is close to zero.
Externí odkaz:
https://doaj.org/article/d82248456bbd463092e13268c0548369
Publikováno v:
Atmosphere, Vol 11, Iss 10, p 1110 (2020)
This study evaluated gasoline evaporative emissions from fuel-cap removal during the refueling process (or “puff loss”) for one gasoline vehicle in the Japanese market. Specifically, the puff loss emissions were measured after a real-world drivin
Externí odkaz:
https://doaj.org/article/407e69de8e8a4166904baa534daf172d
Publikováno v:
Sensors, Vol 10, Iss 5, Pp 4686-4699 (2010)
We have investigated the pressure dependence of the detection sensitivity of CO2, N2O and CH4 using wavelength modulation spectroscopy (WMS) with distributed feed-back diode lasers in the near infrared region. The spectral line shapes and the backgro
Externí odkaz:
https://doaj.org/article/8261ed14b24e4ab18c599f16aef5ad03
Publikováno v:
Environmental Research Letters, Vol 11, Iss 9, p 095011 (2016)
Evaluation of CO _2 flux from peatland soil respiration is important to understand the effect of land use change on the global carbon cycle and climate change and particularly to support carbon emission reduction policies. However, quantitative estim
Externí odkaz:
https://doaj.org/article/4cb4481d54fe4a2aaa7cb927a63abf7e