Výsledky vyhledávání - "Jacob Almén"

Cold start emissions at +22, −7 and −20°C ambient temperatures from a three-way catalyst (TWC) car: regulated and unregulated exhaust components

Autor: Roger Westerholm, D. Ludykar, Jacob Almén

Publikováno v: Science of The Total Environment. 235:65-69

A project initiated by the Swedish Environmental Protection Agency (SEPA) concerning cold start driving conditions is partially reported in the present paper. A three-way catalyst car was run in accordance with the European driving cycle (EDC) at 22�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5109509b557fbdb7bd8d643c57fc6e3a
https://doi.org/10.1016/s0048-9697(99)00190-4

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Neurotoxic Effects of Fractionated Diesel Exhausts Following Microinjections in Rat Hippocampus and Striatum

Autor: Jacob Almén, Eva Lindqvist, Roger Westerholm, Kerstin Grägg, Lars Olson, Helena Andersson

Publikováno v: Environmental Research. 76:41-51

Exhaust emissions from a heavy-duty diesel vehicle, separated into particulate and semivolatile phases and thereafter fractionated according to polarity, were studied in the adult rat brain after intracranial microinjections using cresyl violet stain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::129dbaf475bc65861c15bc86fe224dc1
https://doi.org/10.1006/enrs.1997.3791

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Chemical characterization of exhaust emissions originating from the regeneration mode of a diesel particulate trap

Autor: Roger Westerholm, Jacob Almén, Hang Li, Kerstin Grägg

Publikováno v: Fuel. 73:11-16

The chemical characterization of exhaust emissions originating from the regeneration mode of a diesel particulate trap was achieved. The regeneration process was carried out by heating the particulate trap to 700 °C for 208 min with an air stream pa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27a0ca1dcf4f2b9b67af58d8d0416ea4
https://doi.org/10.1016/0016-2361(94)90182-1

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On-board Exhaust Emission Measurement on Heavy Duty Vehicles at Different Driving Conditions

Autor: Lennart Erlandsson, Jacob Almén

Publikováno v: SAE Technical Paper Series.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::237f9f500d2b1f45bf71048dbaa5a68a
https://doi.org/10.4271/2011-01-2209

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Exhaust emissions from gasoline-fuelled light duty vehicles operated in different driving conditions: A chemical and biological characterization

Autor: Jacob Almén, Ulf Rannug, Åke Rosén, Hang Li, Roger Westerholm

Publikováno v: Atmospheric Environment. Part B. Urban Atmosphere. 26:79-90

Chemical analysis and mutagenicity tests on Salmonella typtimurium strains TA 98 and TA 100 (Ames test) of exhaust emissions from five passengers vehicles, with or without a three-way catalyst, have been carried out to obtain emission factors and to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a31b794648ad4d7b732f8f723e02b6f
https://doi.org/10.1016/0957-1272(92)90039-u

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Chemical and biological characterization of particulate-, semivolatile-, and gas-phase-associated compounds in diluted heavy-duty diesel exhausts: a comparison of three different semivolatile-phase samplers

Autor: Hang Li, Karl Erik. Egebaeck, Kerstin Graegg, J. Ulf Rannug, Roger Westerholm, Jacob Almén

Publikováno v: Environmental Science & Technology. 25:332-338

Exhaust emission from a heavy-duty diesel vehicle during transient driving conditions have been characterized chemically and tested for mutagenicity. Both the particulate phase and the semivolatile phase were investigated chemically and by the Ames t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa79b8c666d2405d148b41e13150e0bf
https://doi.org/10.1021/es00014a018

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Chemical analysis and biological testing of exhaust emissions from two catalyst equipped light duty vehicles operated at constant cruising speeds 70 and 90 km/h and during acceleration conditions from idling up to 70 and 90 km/h

Autor: Åke Rosén, L. Hang, Roger Westerholm, Ulf Rannug, Jacob Almén

Publikováno v: Science of The Total Environment. 93:191-198

Exhaust emissions from catalyst equipped passenger cars have been analysed chemically and in conjunction with bioassay tests. Transient driving conditions investigated include acceleration from 0 to 70 and 90 km/h and subsequent deceleration. Cruisin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5dcb1242028a820e5aa2d7b70b819ff7
https://doi.org/10.1016/0048-9697(90)90108-7

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Measurement of regulated and unregulated exhaust emissions from a lawn mower with and without an oxidizing catalyst: a comparison of two different fuels

Autor: Jacob Almén, Roger Westerholm, Anders Christensen

Publikováno v: Environmental sciencetechnology. 35(11)

Relatively few emission characterization studies have been made on small engines used in garden equipment. The present investigation focuses on exhaust characterization from a lawn mower engine fueled with two different fuels in combination with and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8bdbb8ebc378dfc275b370f6498bed0
https://pubmed.ncbi.nlm.nih.gov/11414014

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