Temat: Diffusion - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Characterisctics of aeration properties of Orthic Luvisol from Poland under different land use
Autorzy:: Stepniewski, W.
Stepniewska, Z.
Przywara, G.
Brzezinska, M.
Wlodarczyk, T.
Powiązania:: https://bibliotekanauki.pl/articles/24066.pdf
Data publikacji:: 2000
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: catalase activity
soil aeration
Polska
aeration
oxygen diffusion rate
oxygen diffusion coefficient
gas diffusion coefficient
redox potential
dehydrogenase activity
aeration parameter
soil moisture
Źródło:: International Agrophysics; 2000, 14, 4
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A comparison of oxygen diffusion rates in sand moistened with water or PEG 20000 solution
Autorzy:: Hiller, S.
Dexter, A.R.
Powiązania:: https://bibliotekanauki.pl/articles/24419.pdf
Data publikacji:: 1997
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: sand
air
oxygen diffusion
polyethylene glycol
water
Źródło:: International Agrophysics; 1997, 11, 3
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Abiotic mechanisms for biochar effects on soil N2O emission
Autorzy:: He, C.
Manevski, K.
Andersen, M.N.
Hu, C.
Dong, W.
Li, J.
Powiązania:: https://bibliotekanauki.pl/articles/2082642.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: gas diffusion
mitigation
nitrous oxide
water
filled pore space
Opis:: In this research, sterile soil columns with different contents of biochar made from apple-tree residues (0, 1 and 5% w/w) at three levels of water filled pore space (40, 60, and 80%) were set up in the laboratory to study nitrous oxide diffusion and binding processes. The results indicated that nitrous oxide emission can be effectively mitigated at 5% biochar regardless of soil water content. However, 1% biochar stimulated nitrous oxide diffusion compared to the other biochar treatments, which was opposite to expectations due to the stronger aeration than adsorption effect, while 0% had a suppression effect between 1 and 5%. Nitrous oxide emissions increased with increasing water filled pore space due to concomitantly decreasing biochar tortuousity at high water content. The increase of nitrogen from 1.11 to 1.50% on the biochar surface in the 5% treatment, and from 1.11 to 1.46% in the 100% biochar treatment, suggested that the main abiotic mechanisms for mitigation of nitrous oxide emission is adsorption and subsequent reactions with C = C bonds on appletree biochar surfaces since C = O and C-O bonds both increased and C=C/C-C/C-H declined.
Źródło:: International Agrophysics; 2019, 33, 4; 537-546
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Chronovoltammetric determination of oxygen flux density in the soil
Autorzy:: Malicki, M.A.
Bieganowski, A.
Powiązania:: https://bibliotekanauki.pl/articles/26357.pdf
Data publikacji:: 1999
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: oxygen diffusion
soil
amperometry
oxygen flux density
voltammetry
chronovoltammetry
Źródło:: International Agrophysics; 1999, 13, 3
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Repeatability of measurements of the potential oxygen flux density in the soil by the voltamperometric method
Autorzy:: Bieganowski, A
Powiązania:: https://bibliotekanauki.pl/articles/1401907.pdf
Data publikacji:: 2000
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: soil aeration
measurement
oxygen diffusion rate
soil
oxygen flux density
voltammetry
agrophysics
Opis:: Influence of the measuring procedure on the repeatability of measurement of the potential oxygen flux density in the soil has been presented. Five measuring procedures were applied: measurements taken one directly after another, reinstallation of the electrode after each measurement , reinstallation of the electrode after each measurement with a simultaneous mechanical cleaning of surfaces, measurements with 15-min breaks between consecutive measurements, measurements with electrochemical "cleaning" of the electrode surface.The OFD value was determined by a voltamperometric method using a tri-electrode measuring system. It was found out that the best repeatability can be obtained by repeating the measurement with 15-min (or longer) time intervals.
Źródło:: Acta Agrophysica; 2000, 35
1234-4125
Pojawia się w:: Acta Agrophysica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: ODR modifications by the storing conditions of soil samples
Autorzy:: Bieganowski, A
Wyczolkowski, A.
Gawlik, J.
Powiązania:: https://bibliotekanauki.pl/articles/1401932.pdf
Data publikacji:: 2000
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: air dry soil
soil aeration
oxygen diffusion rate
soil sample
storage
agrophysics
storing condition
Opis:: ODR was calculated for the soil water extracts prepared from freshly taken soil, wet soil stored in plastic bags and air dry soil. ODR in KCI solution was used as reference.ODR recorded for the extracts obtained from freshly taken soil was lower than for the extracts prepared from the stored soil samples. This indicates that for ODR measurements fresh soil should be investigated.
Źródło:: Acta Agrophysica; 2000, 35
1234-4125
Pojawia się w:: Acta Agrophysica
Dostawca treści:: Biblioteka Nauki