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Currently, the share of wood based materials with specific properties in total production is significant and it is increasing every year. Cre-ation of composite materials based on wood particles with the inclusion of their design of the various components allows to obtain mate-rials with specific properties. The Department of Mechanical wood processing of USFEU de-veloped a design of PLITOTREN material with specific properties (protection against X-ray radiation). The technological process of manufacturing the material is presented, basic physical and mechanical properties of the plate are obtained, and scope of the material, taking into account the specific properties is proposed.

Presented experimental investigations aimed at studying the immune component of the mucous membrane of the jejunum as the most active segment of the small, in which the processes wall, membrane and intracellular digestion occur with the greatest severity. These processes implement homeostasis at the level of the whole organism. All changes after the general γ -irradiation in small doses led to a decrease in the barrier-protective functions. In this paper the authors note the failure of the prolonged post-radiation monitoring period to restore structural component, although some of them returned to normal. The morphological and functional changes were characterized by a barrier imbalance of indicators of optical density of sialomucin gel and alkaline phosphatase, tuckaleechee population on the background of a strong correlation relations including interaction in mitotic cells and intraepithelial lymphocytes. Thus, it was observed interoperability and the fat cells showed radioprotective effect. Lymphoid tissue through the formation of lymphocytic infiltrate in the epithelium and M-cells, as well as lymphocytic-plazmocitomom in the subepithelial layer with lymphoid nodules testified to the disadvantage of homeostasis.