Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Kang Ho Ahn"'
Publikováno v:
Nanomaterials, Vol 13, Iss 14, p 2071 (2023)
Air purification devices, such as air purifiers, provide fresh air by filtering out airborne pollutants, dust, and other harmful substances using various filter systems. While air filters are generally effective in filtering pollutants such as dust,
Externí odkaz:
https://doaj.org/article/82e35d0b40054efb88ddc622fe00c594
Relating high ozone, ultrafine particles, and new particle formation episodes using cluster analysis
Autor:
Cristina Carnerero, Noemí Pérez, Tuukka Petäjä, Tiia M. Laurila, Lauri R. Ahonen, Jenni Kontkanen, Kang-Ho Ahn, Andrés Alastuey, Xavier Querol
Publikováno v:
Atmospheric Environment: X, Vol 4, Iss , Pp - (2019)
We studied the simultaneity of tropospheric ozone (O3) episodes, high ultrafine particle (UFP; diameter
Externí odkaz:
https://doaj.org/article/854344e66fab43e9ac04797d2e2151d6
Publikováno v:
Scientific Reports. 13
Recently, three-dimensional (3D) printing has attracted attention as a new manufacturing technology. However, there is lack of data and regulations regarding the emissions of ultrafine particles from 3D printers. Therefore, we investigated particle e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fc067e5b25918392e2a348a3f2e7367
https://doi.org/10.1038/s41598-023-33538-9
https://doi.org/10.1038/s41598-023-33538-9
Autor:
Saehee Lim, Meehye Lee, Paolo Laj, Sang-Woo Kim, Kang-Ho Ahn, Junsu Gil, Xiaona Shang, Marco Zanatta, Kyeong-Sik Kang
Funding Information: This research was supported by the National Research Foundation of Korea (NRF), funded by the Ministry of Science and ICT (MSIT) (NRF2020M3G1A111499813). S. Lim was supported by the National Research Foundation of Korea (NRF) fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0316507831ab6c4a46882cba35cc71d3
http://hdl.handle.net/10138/355415
http://hdl.handle.net/10138/355415
Autor:
Handol Lee, Kang-Ho Ahn
Publikováno v:
The Journal of the Korean Physical Society
The transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) occurs via contact with contaminated surfaces and inhalation of large airborne droplets and aerosols. As growing evidence of airborne SARS-CoV-2 transmission has been re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fb9516d14c6929721be831962f41df2
https://doi.org/10.1007/s40042-021-00225-9
https://doi.org/10.1007/s40042-021-00225-9
Publikováno v:
Aerosol Science and Technology. 54:1323-1334
Particulate matter forecasting is based on data measured at several monitoring stations fixed on the ground. The most effective way to improve forecast accuracy is to obtain measurements over a wid...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6abb0364db2c85cf059c72018640392
https://doi.org/10.1080/02786826.2020.1776209
https://doi.org/10.1080/02786826.2020.1776209
Publikováno v:
Aerosol Science and Technology. 54:1135-1143
A scanning mobility particle sizer (SMPS) is one of the most widely used instruments to obtain size distribution for atmospheric particles. In an SMPS measurement, a voltage scanning process on a d...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74ee65eff2e163a1fa1a8daafe2d3be1
https://doi.org/10.1080/02786826.2020.1761538
https://doi.org/10.1080/02786826.2020.1761538
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 1551-1562 (2020)
Measuring particle size distributions precisely is an important concern in addressing environmental and human health-related issues. To measure particle size distributions, a scanning mobility particle sizer (SMPS) is often used. However, it is diffi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dcea7aaa0a4ffd8c7531ca1eb35845c
https://doi.org/10.5194/amt-13-1551-2020
https://doi.org/10.5194/amt-13-1551-2020
Publikováno v:
Powder Technology. 362:135-144
In a recently conducted study, we developed a nano-particle sizer (NPS) that consists of a multi-port differential mobility analyzer (MP-DMA) and two multi condensation particle counters (M-CPCs) for achieving fast measurements of aerosol particles;
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5741b3fd43b6e3b504d81b2cc7026e4c
https://doi.org/10.1016/j.powtec.2019.11.055
https://doi.org/10.1016/j.powtec.2019.11.055
Publikováno v:
Safety and Health at Work, Vol 2, Iss 1, Pp 65-69 (2011)
Objectives: Carbon nanotubes are an important new class of technological materials that have numerous novel and useful properties. Multi-walled carbon nanotubes (MWCNTs), which is a nanomaterial, is now in mass production because of its excellent mec
Externí odkaz:
https://doaj.org/article/980eef22ea50431daa5e6f7fd803c588