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- Krzysztof Drozdowicz, Ewa Krynicka, Jolanta Dąbrowska
- Applied radiation and isotopes : including data…
- 2003

The pulsed neutron experiment (the variable geometric buckling experiment) in spherical geometry has been simulated using the MCNP code. The time decay of the thermal neutron flux has been observed as a function of the sample size. The thermal neutron diffusion cooling coefficient C with the correction F has been determined for three basic rock minerals… (More)

- Urszula Woźnicka, Jadwiga A. Jarzyna, Ewa Krynicka
- Applied radiation and isotopes : including data…
- 2005

Measurements of various physical quantities in a borehole by geophysical well logging tools are designed to determine these quantities for underground geological formations. Then, the raw data (logs) are combined in a comprehensive interpretation to obtain values of geological parameters. Estimating the uncertainty of calculated geological parameters,… (More)

- Krzysztof Drozdowicz, Ewa Krynicka, Jolanta Dąbrowska
- Applied radiation and isotopes : including data…
- 2005

The water content in a rock material can significantly change the thermal neutron diffusion parameters with respect to those of the dry medium. The effect has been studied for dolomite, CaMg(CO3)2, by Monte Carlo simulations of the variable buckling experiments for 10 series of samples. The density-removed diffusion cooling coefficient C(M) varies… (More)

- J Góralczyk, Jed Z. Buchwald, +7 authors J Młodkowski
- Polski tygodnik lekarski
- 1985

- Krzysztof Drozdowicz, Ewa Krynicka, Jolanta Dąbrowska
- Applied radiation and isotopes : including data…
- 2007

The thermal neutron diffusion parameters of a rock material depend on the rock matrix itself and on the water content. The effect has been studied in quartz by Monte Carlo (MC) simulations of the variable buckling experiment for nine series of samples. A hyperbolic dependence of the density-removed diffusion cooling coefficient on the water content shows a… (More)

- Grzegorz Tracz, Krzysztof Drozdowicz, Barbara Gabańska, Ewa Krynicka
- Applied radiation and isotopes : including data…
- 2009

A small pulsed thermal neutron source has been designed based on results of the MCNP simulations of the thermalization of 14 MeV neutrons in a cluster-moderator which consists of small moderating cells decoupled by an absorber. Optimum dimensions of the single cell and of the whole cluster have been selected, considering the thermal neutron intensity and… (More)

- W M Rzepecki, Jakob Langer, +5 authors Ewa Krynicka
- Polski przeglad chirurgiczny
- 1976

- J Góralczyk, Jed Z. Buchwald, +7 authors J Młodkowski
- Pneumonologia polska
- 1984

- J Góralczyk, Jed Z. Buchwald, +7 authors J Młodkowski
- Pneumonologia polska
- 1984

- Urszula Woźnicka, Krzysztof Drozdowicz, Barbara Gabańska, Ewa Krynicka, Andrzej Igielski
- Applied radiation and isotopes : including data…
- 2003

The thermal neutron absorption cross section of a heterogeneous material is lower than that of the corresponding homogeneous one which contains the same components. When rock materials are investigated the sample usually contains grains which create heterogeneity. The heterogeneity effect depends on the mass contribution of highly and low-absorbing centers,… (More)

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