Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Frode. Brakstad"'
Publikováno v:
Energy
Optimization and cost estimation were performed for the use of ultrasound for intensifying CO2 reboiler stripping from lean monoethanolamine (MEA) aqueous solutions at 1.0 barg. This work was based on typical industrial reboiler operation conditions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fc8526ec7a02d544a75f8b72ff10400
https://doi.org/10.1016/j.energy.2019.02.070
https://doi.org/10.1016/j.energy.2019.02.070
Publikováno v:
Energy
CO2 stripping from loaded monoethanolamine (MEA) aqueous solutions intensified by means of ultrasound was investigated in a lab-scale kettle reboiler with both gas and liquid continuous operations. The reboiler operating conditions were similar to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bcb5314b27da54618e28f0d5c2d96cf
https://hdl.handle.net/11250/2721004
https://hdl.handle.net/11250/2721004
Autor:
Frode Brakstad
Publikováno v:
Chemometrics and Intelligent Laboratory Systems. 29:157-176
This review starts with a brief introduction to gas chromatography—mass spectrometry (GC-MS) and multivariate analysis. It proceeds with a description of the general strategy of extracting relevant quantitative information from GC-MS instrumentatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fcb9d61f8d41693b635d182b4f30de8
https://doi.org/10.1016/0169-7439(95)80093-o
https://doi.org/10.1016/0169-7439(95)80093-o
Publikováno v:
Chemosphere. 29:1441-1465
A strategy for building multivariate models capable of predicting changes in community structure from environmental data is presented. This includes five important elements in the process of model building and validation concerned with pollution surv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd7d4492d5cedf96b436d2de49a16f82
https://doi.org/10.1016/0045-6535(94)90277-1
https://doi.org/10.1016/0045-6535(94)90277-1
Publikováno v:
Analytical Chemistry. 66:43-51
Analytical profiles are commonly normalized to the most intense peak or to constant sum prior to library searches or multivariate analysis. This work examines normalization procedures from a theoretical point of view and their effects on simulated an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b99260540f7df1583fbc3b4aaa69b8
https://doi.org/10.1021/ac00073a010
https://doi.org/10.1021/ac00073a010
Autor:
Frode Brakstad
Publikováno v:
Chemometrics and Intelligent Laboratory Systems. 19:87-100
Brakstad, F., 1993. Accurate determination of double bond position in mono-unsaturated straight-chain fatty acid ethyl esters from conventional electron impact mass spectra by quantitative spectrum—structure modelling. Chemometrics and Intelligent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bad9cf747dbc9d993d9519437260c17f
https://doi.org/10.1016/0169-7439(93)80085-v
https://doi.org/10.1016/0169-7439(93)80085-v
Autor:
Frode Brakstad
Publikováno v:
Chemosphere. 24:1885-1903
The combined use of principal component analysis and partial least squares regression to the interpretation of polychlorinated dibenzofuran (PCDF) and dibenzo-p-dioxin (PCDD) patterns in crabs are investigated. By exploratory principal component anal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0e9d7c245a755af45af3e67a270d3c2
https://doi.org/10.1016/0045-6535(92)90241-i
https://doi.org/10.1016/0045-6535(92)90241-i
Publikováno v:
Chemometrics and Intelligent Laboratory Systems. 14:279-286
Atlantic salmon parr (Salmo salar) were reared in tanks under six controlled environmental combinations of oxygen saturation (54–120%), water flow (3–22 1 min −1 ) and biomass (22–64 kg m −3 ). Growth and water quality were monitored over s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeac93656e5ff72931cd252ef3656e2c
https://doi.org/10.1016/0169-7439(92)80111-g
https://doi.org/10.1016/0169-7439(92)80111-g
Autor:
Frode Brakstad
Publikováno v:
Chemometrics and Intelligent Laboratory Systems. 9:123-125
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd8b2b24be1993c5fc118165311e4044
https://doi.org/10.1016/0169-7439(90)80090-s
https://doi.org/10.1016/0169-7439(90)80090-s
Autor:
Frode Brakstad, Otto Grahl-Nielsen
Publikováno v:
Marine Pollution Bulletin. 19:319-324
Crude oils from the Cook and Brent formations in the same well at the Gullfaks field in the North Sea were weathered for one year under natural conditions. Samples of the oils were collected at intervals and analysed by GC-MS for the common so-called
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b209cd81eba8a9fa1e916aa4d231a4da
https://doi.org/10.1016/0025-326x(88)90427-4
https://doi.org/10.1016/0025-326x(88)90427-4