A technology of drinking water decontamination from radon and its decay products

Underground water is one of the main sources of radon for households. This article focuses on the estimation and removal of radon from underground water using the technology and inorganic sorbents developed by EKSORB Ltd., Russia for liquid radioactive waste treatment in the nuclear power industry. The article presents the results of tests of a system for the removal of radon and radon daughters from water patented by EKSORB. This is achieved by filtering water through RATZIR sorbent, followed by periodic load regeneration. Over a period of three years, the plant is successful in removing radon from the water that had an initial radon content of approximately 1500 Bq/L to less than 60 Bq/L, without releasing radon to indoor/outdoor air. © 2020 Igor Voinov et al., published by Sciendo 2020

СУЧАСНІ АСПЕКТИ МЕДИКО-СОЦІАЛЬНОЇ РЕАБІЛІТАЦІЇ ІНВАЛІДІВ - УЧАСНИКІВ АНТИТЕРОРИСТИЧНОЇ ОПЕРАЦІЇ

Purpose: to search the needs of ATO participants in medical and social rehabilitation measures at the main disabling pathology.Materials and Methods. The needs of ATO participants in medical and social rehabilitation measures are calculated on the basis of analysis of 3947 individual rehabilitation programs (IRP) developed by rehabilitation specialists of medical and social expert commissions in 19 regions of Ukraine with the main disabling pathology (after the consequences of trauma and somatic pathology). Methods: expert evaluations, statistical-mathematical, meta-analysis according to the data of medical and expert documentation and IPR, analytical and logical.Results. The obtained data testify to the availability of complex diverse needs of disabled patients-participants ATO in medical and social rehabilitation activities (medical, psychological, professional, social, technical means of rehabilitation, medical devices) the volume of which varies depending on the type of services, age, severity of disability, pathology.Conclusion. When forming individual programs of rehabilitation doctors of medical and social expert commission underestimate the role of services in professional, social, technical means of rehabilitation in removing limitation of life, improving the quality of life of the disabled, their social adaptation. This needs to be improved by the work of the medical and social expert commissions.Мета роботи – визначення потреб інвалідів-учасників АТО в заходах медико-соціальної реабілітації при основній інвалідизуючій патології.Матеріали та методи. Розрахована потреба інвалідів-учасників АТО в заходах медико-соціальної реабілітації на підставі аналізу 3947 індивідуальних програм реабілітації (ІПР), які розроблені реабілітологами медико-соціальних експертних комісій (МСЕК) 19 областей України при основній інвалідизуючій патології (наслідках бойових травм та соматичної патології). Використані методи: експертних оцінок, статистично-математичний, мета-аналіз за даними медико-експертної документації та ІПР, аналітико-логічний.Результати дослідження. Отримані дані свідчать про наявність комплексних різноманітних потреб інвалідів-учасників АТО в заходах медико-соціальної реабілітації (медичної, психологічної, професійно-трудової, соціальної, технічних засобах реабілітації та виробах медичного призначення), обсяг яких відрізняється в залежності від виду послуг, віку, важкості інвалідності, патології.Висновки. При формуванні ІПР має місце недооцінка ролі послуг з професійної, соціальної реабілітації, технічних засобів реабілітації в усуненні обмежень життєдіяльності, покращенні якості життя інвалідів, їх соціальної адаптації, що потребує удосконалення роботи МСЕК

EXPERIMENTAL RESEARCH OF THE LRW ION-SELECTIVE TREATMENT SORBENTS HYDRAULIC RESISTANCE

The technique and methodology for experimental research of packed equipment are pre-sented. The results of the LRW ion-selective treatment sorbents layer specific hydraulic re-sistance experimental measurements are shown

Lampreys, the jawless vertebrates, contain three Pax6 genes with distinct expression in eye, brain and pancreas

10.1038/s41598-019-56085-8Scientific Reports911955

Studying Adolescent Male Sexuality: Where Are We?

This article critically reviews the literature about adolescent males’ sexuality in order to describe the state of the science and to identify promising concepts and research designs that have the potential to guide the next generation of research. A critique was conducted on 94 peer-reviewed studies of sexual behaviors that included a sample of adolescent males; 11 scholarly texts and 2 dissertations. Most studies lacked a theoretical foundation and had cross-sectional designs. For those studies with a theoretical base, 3 perspectives were most often used to guide research: cognitive, biological, or social-environmental. Studies frequently relied on older adolescents or young adult males to report behaviors during early adolescence. Male-only samples were infrequent. Findings include (a) the measurement of sexual activity is frequently limited to coitus and does not explore other forms of “sex”; (b) cognitive factors have been limited to knowledge, attitudes, and intent; (c) little is known about younger males based on their own self-reports; (d) little is known about the normative sexuality development of gay adolescent males; and (e) longitudinal studies did not take into account the complexities of biological, social, and emotional development in interaction with other influences. Research on adolescent sexuality generally is about sexual activity, with little research that includes cognitive competency or young males’ sense of self as a sexual being. The purpose of the paper is to critically review the literature about male sexuality in order to describe the state of the science as well as to identify potential directions to guide the next generation of adolescent male sexual being research.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/45299/1/10964_2005_Article_5762.pd