His primary areas of investigation include Aerosol, Nucleation, Particle, Cloud condensation nuclei and Sulfuric acid. His studies deal with areas such as Autoxidation, Atmospheric sciences, Air quality index, Condensation and Environmental chemistry as well as Aerosol. Heikki Junninen interconnects Chemical physics, Atmosphere, Meteorology, Mineralogy and Chemical engineering in the investigation of issues within Nucleation.
His Particle research incorporates elements of Ion and Ozone. His work deals with themes such as Volatility and Atmospheric chemistry, which intersect with Cloud condensation nuclei. In his study, which falls under the umbrella issue of Sulfuric acid, Sulfate is strongly linked to Ammonia.
His main research concerns Aerosol, Particle, Nucleation, Atmospheric sciences and Mass spectrometry. He studies Aerosol, namely Cloud condensation nuclei. His studies in Particle integrate themes in fields like Chemical physics, Ozone, Atmospheric chemistry, Particle size and Condensation.
As a part of the same scientific study, he usually deals with the Nucleation, concentrating on Sulfuric acid and frequently concerns with Chemical engineering. His research integrates issues of Particulates, Radiative forcing and Taiga in his study of Atmospheric sciences. His Mass spectrometry study combines topics in areas such as Ion, Chemical ionization and Chemical composition.
His primary areas of study are Aerosol, Particle, Nucleation, Cloud condensation nuclei and Environmental chemistry. His Aerosol research incorporates themes from Trace gas, Atmospheric sciences, Atmospheric chemistry, Sea ice and Particulates. His Particle research is multidisciplinary, incorporating perspectives in Chemical physics, Atmosphere, Condensation, Chemical engineering and Sulfuric acid.
His Nucleation study incorporates themes from Ion and Molecule. His Ion study integrates concerns from other disciplines, such as Relative humidity and Analytical chemistry. His Environmental chemistry study combines topics from a wide range of disciplines, such as Taiga, Ammonium sulfate and Mass spectrometry.
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A large source of low-volatility secondary organic aerosol
Mikael Ehn;Joel A. Thornton;Einhard Kleist;Mikko Sipila.
Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation
Jasper Kirkby;Joachim Curtius;João Almeida;João Almeida;Eimear Dunne.
Direct observations of atmospheric aerosol nucleation.
Markku Kulmala;Jenni Kontkanen;Heikki Junninen;Katrianne Lehtipalo.
Molecular understanding of sulphuric acid-amine particle nucleation in the atmosphere
Joao Almeida;Joao Almeida;Siegfried Schobesberger;Andreas Kürten;Ismael K. Ortega.
Methods for imputation of missing values in air quality data sets
Heikki Junninen;Harri Niska;Kari Tuppurainen;Juhani Ruuskanen.
Atmospheric Environment (2004)
Toward direct measurement of atmospheric nucleation.
Markku Kulmala;Ilona Riipinen;Mikko Juhani Sipilä;Hanna E Manninen.
Oxidation Products of Biogenic Emissions Contribute to Nucleation of Atmospheric Particles
Francesco Riccobono;Siegfried Schobesberger;Catherine E. Scott;Josef Dommen.
Ion-induced nucleation of pure biogenic particles
Jasper Kirkby;Jasper Kirkby;Jonathan Duplissy;Jonathan Duplissy;Kamalika Sengupta;Carla Frege.
The role of low-volatility organic compounds in initial particle growth in the atmosphere
Jasmin Tröstl;Wayne K. Chuang;Hamish Gordon;Martin Heinritzi.
A high-resolution mass spectrometer to measure atmospheric ion composition
H. Junninen;M. Ehn;T. Petäjä;L. Luosujärvi.
Atmospheric Measurement Techniques (2010)
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