Radiation monitoring after experimental dirty bomb explosion.

Experiments simulating radioactive dirty bomb explosions in an urban area were performed at the National Institute of NBC Protection (SUJCHBO v.v.i.

Measuring and Monte Carlo Modelling of X-Ray and Gamma-Ray Attenuation in Personal Radiation Shielding Protective Clothing.

A collection of personal protective equipment (PPE), suitable for use in case of accident in nuclear facilities or radiological emergencies, was gathered at the National Institute for Nuclear, Chemical and Biological Protection, Czech Republic. The shielding characteristics of the various PPE materials were measured via narrow geometry spectral attenuation measurements with point radionuclide sources covering a broad range of photon energies. Photon relative penetration and attenuation for relevant energies of the spectra were the principal experimentally determined quantities for tested PPE.

Analysis of the indoor environment of agricultural constructions in the context of sustainability.

This research paper focuses on agricultural constructions, a special type of constructions with an important role in industry and agriculture. Food production is an important social factor that is vital to human survival, so its qualitative aspect is a key determinant of living standards and is also important in terms of sustainability. The need to create a suitable environment (welfare) for animals, as a factor in terms of health and productivity, is drawing increasing attention.

Biomonitoring the indoor environment of agricultural buildings.

Introduction: Agricultural hygiene and biomonitoring helps protect people, livestock and crops from pests and disease, including insects, parasites, pathogens and weeds. Optimising the health of animals and crops increases productivity, minimises animal suffering, and ultimately protects human health by ensuring that foodstuffs are safe for consumption. A healthy farm environment also protects the health of the agricultural workers.

Assessment and biomonitoring indoor environment of buildings.

Ensuring hygiene and health protection is one of the basic construction requirements. Such requirements are examined when commissioning new constructions and examining defects in constructions already in use. One substantial defect is biocorrosion which represents a synergistic process with a complex variety of factors.

Attenuation of X and Gamma Rays in Personal Radiation Shielding Protective Clothing.

A collection of personal radiation shielding protective clothing, suitable for use in case of accidents in nuclear facilities or radiological emergency situations involving radioactive agents, was gathered and tested at the Nuclear Protection Department of the National Institute for Nuclear, Chemical and Biological Protection, Czech Republic. Attenuating qualities of shielding layers in individual protective clothing were tested via spectra measurement of x and gamma rays, penetrating them. The rays originated from different radionuclide point sources, the gamma ray energies of which cover a broad energy range.

Determining radioactive aerosol concentrations using a surface radioactive contamination measurement device.

For experiments with dispersed radioactive aerosols in a radon-aerosol chamber (RAC), it is desirable to know the activity of the radioactive aerosols applied in the RAC. A COLIBRI TTC survey metre with an SABG-15+ probe (Canberra, USA) was purchased for this purpose. The probe is designed for surface contamination measurements, and it is intended to measure the activity of aerosols deposited on the filters during experiments in the RAC.

Changes in rabbits' behaviour under the influence of corticotropin derivative analogue 4-10 in spontaneous conditions.

The influence and the role of corticotrophin analogue 4-10 on the rabbits' behaviour in spontaneous conditions was analysed. The data analysis indicated that analogue 4-10 with modified aminoacid sequence in 8, 9, 10 positions significantly influenced the behavioural changes in the general model of behaviour. The 4-10 corticotrophin derivative caused the suppression of aggression, considerably reduced the tension and orientation-cognition reactions, however, it prolonged comfort and grooming significantly.