Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Arnis Treimanis"'
Publikováno v:
Holzforschung. 69:375-376
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e10eeb8f321d9965954e8076bb153d1
https://doi.org/10.1515/hf-2015-0040
https://doi.org/10.1515/hf-2015-0040
Akademický článek
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Akademický článek
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Autor:
Inese Sable,, Uldis Grinfelds,, Aris Jansons,, Laura Vikele,, Ilze Irbe,, Anrijs Verovkins,, Arnis Treimanis
Publikováno v:
BioResources, Vol 7, Iss 2, Pp 1771-1783 (2012)
In this study, the relationship between the properties of the wood and kraft pulp fibers as well as paper characteristics of 27-year-old trees, lodgepole pine (Pinus contorta) and Scots pine (Pinus sylvestris), was assessed. All trees had been grown
Externí odkaz:
https://doaj.org/article/54dbae7e16ef4830a727237ecc1f1053
Publikováno v:
BioResources, Vol 4, Iss 2, Pp 554-565 (2009)
The residues of the wood cell wall compound middle lamella affect the composition of the relevant pulp fiber surface layers and influence the fibers’ bleachability. The objective of the present work was to separate the eucalyptus kraft and birch or
Externí odkaz:
https://doaj.org/article/83aee0359a9d4d68ade8c6a12fe9ccb0
Autor:
Arnis Treimanis
Publikováno v:
BioResources, Vol 4, Iss 3, Pp 907-908 (2009)
Pulp fibers’ bleaching technology has been developing mainly by applying increasingly intensive delignification in the cooking department and implementation of elemental-chlorine-free chemicals in the bleaching department. The resulting effluents l
Externí odkaz:
https://doaj.org/article/b125c306664d4bac8b4ad563cf1b94cc
Autor:
Linda Rozenberga, Marianna Laka, Arnis Treimanis, Laura Vikele, Marite Skute, Svetlana Chernyavskaya
Publikováno v:
Holzforschung. 69:745-749
The effect of coatings on paper sheets has been studied. For this purpose gels were prepared from unextracted and extracted bark. The gels represented dispersions of micro- and nanoparticles. The coatings were also prepared from mixtures of gels with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad31a925bc23e0e1a6585d9a7cb48f28
https://doi.org/10.1515/hf-2014-0271
https://doi.org/10.1515/hf-2014-0271
Publikováno v:
Key Engineering Materials. 559:111-114
The aim of the present study was to improve the paper handsheets parameters by adding biodegradable natural polymer – chitosan. The addition of chitosan in the amount of 2-4% improved tensile strength of the handsheets by up to 20% in dry condition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71589ca5b3249ae9f8a1d644ba9766c1
https://doi.org/10.4028/www.scientific.net/kem.559.111
https://doi.org/10.4028/www.scientific.net/kem.559.111
Publikováno v:
Holzforschung. 58:489-494
The dynamic method for monitoring ionisation of the lignin functional groups in a 0.1 N NaOH solution at ambient temperature by means of the SEC technique with multiwave UV detection was performed. An increase in absorbance at 210, 278, 304, 320 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8782364826f40463a095c1892d87ba99
https://doi.org/10.1515/hf.2004.074
https://doi.org/10.1515/hf.2004.074
Autor:
Arnis Treimanis, Tatiana Bikova
Publikováno v:
Plant Physiology and Biochemistry. 40:347-353
The xylems of Alnus incana Moench. and Alnus glutinosa Gaertn. 8-15-year-old trees were subjected to comparative studies regarding the molecular weight (MW) of hemicelluloses. Extraction of hemicelluloses according to the sequence 1% NaOH-10% KOH-18%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91b44b3106330a054e26624216fc79b8
https://doi.org/10.1016/s0981-9428(02)01377-3
https://doi.org/10.1016/s0981-9428(02)01377-3