Temat: evolution rate - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: DNA asymmetry and the replicational mutational pressure
Autorzy:: Kowalczuk, M
Mackiewicz, P.
Mackiewicz, D.
Nowicka, A.
Dudkiewicz, M.
Dudek, M.R.
Cebrat, S.
Powiązania:: https://bibliotekanauki.pl/articles/2041201.pdf
Data publikacji:: 2001
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: evolution rate
selection pressure
DNA asymmetry
mutational pressure
protein
amino acid
nucleotide composition
genome
DNA walk
composition
Źródło:: Journal of Applied Genetics; 2001, 42, 4; 553-577
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Kinetics of Gas Emission from Heated Moulding Sands Together with the On-line Assessment of H₂ and O₂ Fractions - New Investigation Method
Autorzy:: Mocek, J.
Zych, J.
Powiązania:: https://bibliotekanauki.pl/articles/379867.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: gas emission
evolution rate
hydrogen content
oxygen content
moulding sand
resin
burning
moulding sand destruction
emisja gazu
tempo rozwoju
zawartość wodoru
zawartość tlenu
masa formierska
żywica
spalanie
Opis:: The new investigation method of the kinetics of the gas emission from moulding sands used for moulds and cores is presented in this paper. The gas evolution rate is presented not only as a function of heating time but also as a function of instantaneous temperatures. In relation to the time and heating temperature the oxygen and hydrogen contents in evolving gases was also measured. This method was developed in the Laboratory of Foundry Moulds Technology, Faculty of Foundry Engineering, AGH. Gas amounts which are emitted from the moulding sand at the given temperature recalculated to the time unit (kinetics) are obtained in investigations. Results of investigations of moulding sand with furan resin are presented - as an example - in the paper.
Źródło:: Archives of Foundry Engineering; 2016, 16, 4; 79-84
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: PEO layers on Mg-based metallic glass to control hydrogen evolution rate
Autorzy:: Cesarz-Andraczke, K.
Kazek-Kęsik, A.
Powiązania:: https://bibliotekanauki.pl/articles/200823.pdf
Data publikacji:: 2020
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: amorphous magnesium alloys
corrosion rate
plasma electrolytic oxidation
hydrogen evolution
Opis:: The amorphous Mg-based alloys may be used as metallic biomaterials for resorbable orthopedic implants. The Mg-Zn-Ca metallic glasses demonstrate variable in time degradation rate in simulated body fluid. In this work the Mg66Zn30Ca4 alloy was chosen as a substrate for coatings. This paper reports on the surface modification of a Mg66Zn30Ca4 metallic glass by plasma electrolytic oxidation (PEO). The structure characterization of uncoated Mg66Zn30Ca4 alloy was performed by using TEMand XRD method. The immersion tests of coated and uncoated Mg66Zn30Ca4 alloy were carried out in Ringer’s solutionat 37°C. The volume of released hydrogen by immersion tests was determined. The coatings structure and chemical composition after immersion tests by SEM/EDS were studied. Based on SEM images of surface structure samples, immersion tests results and hydrogen evolution measurement was proposed the course of corrosion process in Ringer’s solution for Mg-based metallic glasses with PEO coating. Results of immersion tests in Ringer’s solution allowed to determine the amount of evolved hydrogen in a function of time for Mg66Zn30Ca4 metallic glass and sample with PEO coating. In comparison to the non-coated Mg66Zn30Ca4 alloy, the sample with PEO layer showed a significantly decreased hydrogen evolution volume.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 1; 119-124
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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