Zobrazeno 1 - 10
of 5 891
pro vyhledávání: '"P. Miettinen"'
Autor:
L. Vettikkat, P. Miettinen, A. Buchholz, P. Rantala, H. Yu, S. Schallhart, T. Petäjä, R. Seco, E. Männistö, M. Kulmala, E.-S. Tuittila, A. B. Guenther, S. Schobesberger
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 2683-2698 (2023)
Wetlands cover only 3 % of the global land surface area, but boreal wetlands are experiencing an unprecedented warming of four times the global average. These wetlands emit isoprene and terpenes (including monoterpenes (MT), sesquiterpenes (SQT), and
Externí odkaz:
https://doaj.org/article/eb3fa1ebc84d4654a86d94a4c85792a3
Autor:
A. Welti, K. Korhonen, P. Miettinen, A. A. Piedehierro, Y. Viisanen, A. Virtanen, A. Laaksonen
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 7059-7067 (2020)
The SPectrometer for Ice Nuclei (SPIN) has been modified to access ice nucleation at low temperatures. The modification consists of a reconfiguration of components from SPIN's cooling system to provide refrigerant with a low boiling point to the cham
Externí odkaz:
https://doaj.org/article/120ab9e9240b4d7291006a01f75c550d
Publikováno v:
Galaxies 2024, 12(4), 32
Infrared dark clouds (IRDCs) are fruitful objects to study the fragmentation of interstellar filaments and initial conditions and early stages of high-mass ($M>8$ M$_{\odot}$) star formation. We used the Yebes 40 m and IRAM 30 m radio telescopes to c
Externí odkaz:
http://arxiv.org/abs/2406.18478
Redescription mining is a data analysis technique that has found applications in diverse fields. The most used redescription mining approaches involve two phases: finding matching pairs among data attributes and extending the pairs. This process is r
Externí odkaz:
http://arxiv.org/abs/2406.04148
Autor:
L. Hao, O. Garmash, M. Ehn, P. Miettinen, P. Massoli, S. Mikkonen, T. Jokinen, P. Roldin, P. Aalto, T. Yli-Juuti, J. Joutsensaari, T. Petäjä, M. Kulmala, K. E. J. Lehtinen, D. R. Worsnop, A. Virtanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 17705-17716 (2018)
Characterizing aerosol chemical composition in response to meteorological changes and atmospheric chemistry is important to gain insights into new particle formation mechanisms. A BAECC (Biogenic Aerosols – Effects on Clouds and Climate) campaign w
Externí odkaz:
https://doaj.org/article/8244e27fdfa24c4cbb8940156bef4af7
On the microscopic level, biological signal transmission relies on coordinated structural changes in allosteric proteins that involve sensor and effector modules. The timescales and microscopic details of signal transmission in proteins are often unc
Externí odkaz:
http://arxiv.org/abs/2403.12312
Autor:
A. Pajunoja, W. Hu, Y. J. Leong, N. F. Taylor, P. Miettinen, B. B. Palm, S. Mikkonen, D. R. Collins, J. L. Jimenez, A. Virtanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 11163-11176 (2016)
During the summer 2013 Southern Aerosol and Oxidant Study (SOAS) field campaign in a rural site in the southeastern United States, the effect of hygroscopicity and composition on the phase state of atmospheric aerosol particles dominated by the or
Externí odkaz:
https://doaj.org/article/dcbb88a4a1d94dde8efea8c403d29168
Autor:
O. Väisänen, A. Ruuskanen, A. Ylisirniö, P. Miettinen, H. Portin, L. Hao, A. Leskinen, M. Komppula, S. Romakkaniemi, K. E. J. Lehtinen, A. Virtanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 10385-10398 (2016)
The relationship between aerosol hygroscopicity and cloud droplet activation was studied at the Puijo measurement station in Kuopio, Finland, during the autumn 2014. The hygroscopic growth of 80, 120 and 150 nm particles was measured at 90 % re
Externí odkaz:
https://doaj.org/article/5f74be0fcce54a0f81c16d2589f72c77
Autor:
B. Rosati, M. Gysel, F. Rubach, T. F. Mentel, B. Goger, L. Poulain, P. Schlag, P. Miettinen, A. Pajunoja, A. Virtanen, H. Klein Baltink, J. S. B. Henzing, J. Größ, G. P. Gobbi, A. Wiedensohler, A. Kiendler-Scharr, S. Decesari, M. C. Facchini, E. Weingartner, U. Baltensperger
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 7295-7315 (2016)
Vertical profiles of the aerosol particles hygroscopic properties, their mixing state as well as chemical composition were measured above northern Italy and the Netherlands. An aerosol mass spectrometer (AMS; for chemical composition) and a white-
Externí odkaz:
https://doaj.org/article/fec2378d4121418b9646d0cf73034745
Autor:
J. Kim, L. Ahlm, T. Yli-Juuti, M. Lawler, H. Keskinen, J. Tröstl, S. Schobesberger, J. Duplissy, A. Amorim, F. Bianchi, N. M. Donahue, R. C. Flagan, J. Hakala, M. Heinritzi, T. Jokinen, A. Kürten, A. Laaksonen, K. Lehtipalo, P. Miettinen, T. Petäjä, M. P. Rissanen, L. Rondo, K. Sengupta, M. Simon, A. Tomé, C. Williamson, D. Wimmer, P. M. Winkler, S. Ehrhart, P. Ye, J. Kirkby, J. Curtius, U. Baltensperger, M. Kulmala, K. E. J. Lehtinen, J. N. Smith, I. Riipinen, A. Virtanen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 293-304 (2016)
Sulfuric acid, amines and oxidized organics have been found to be important compounds in the nucleation and initial growth of atmospheric particles. Because of the challenges involved in determining the chemical composition of objects with very small
Externí odkaz:
https://doaj.org/article/28171d5f1fac4f338639df9f83d730e2