Repeated disability owing to dorsopathy of adult population of the irkutsk region for 2005-2011

The article presents the data of study of repeated disability of adult population of Irkutsk region after dorsopa-thies in 2005-2011, the intensive index was calculated for 10000 population. From 2375 (in 2006) to 1606 (in 2011) people were repeatedly considered to be disabled in consequence of dorsopathy. The level of repeate disability was the highest in 2006-2007 years (12,1) and during following years it decreased to 8,4 per 10000 population. In Irkutsk region the levels of repeated disability in consequence of dorsopathy were higher than in Russian Federation and. in Siberian Federal district. The prevalence of disabled people able to work over the people of pension age was registered in the structure of repeated disability. However the level of repeated disability due to dorsopathy of capable people 1,6 times decreased and. the one of people of pension age 4,3 times increased. Due to this in 2005-2011 we registered decrease of difference between the levels of repeated disability in capable and. pension ages. In 2005 the level of repeated disability of capable people was 9,8 times higher than the one of people of pension age and. in 2011 it was only 1,4 times higher. Decrease of level of repeated disability due to dorsopathies from 2008 at the expense of disabled people of capable age and. also low number of disabled people of pension age due to dorsopathies before 2006 were cоnnected with statutory acts of that period of time. In dynamics we regisered improvement of structure of repeated disability after dorsopathies by the severity index that is probably connected with decreased oportunities of rehabilitation of these type of disabled people. Significan increase of number of disabled people of the III group - more than 80 % in latest 4 years (2008-2011). Number and. specific weight of disabled people of the II group wasn't high and. 2,6 times decreased. Quota and. number of disabled people of the I group were constantly insignificant during all the analyzed period

Constraints on new interactions from neutron scattering experiments

Constraints for the constants of hypothetical Yukawa-type corrections to the Newtonian gravitational potential are obtained from analysis of neutron scattering experiments. Restrictions are obtained for the interaction range between 10^{-12} and 10^{-7} cm, where Casimir force experiments and atomic force microscopy are not sensitive. Experimental limits are obtained also for non-electromagnetic inverse power law neutron-nucleus potential. Some possibilities are discussed to strengthen these constraints.Comment: 18 pages, 3 figure

New method to extract the neutron-electron scattering length

A novel method to extract the neutron-electron scattering length b ne from the precise neutron scattering data measured for a noble gas at several different densities n is proposed. The main point of this method is dividing the experimental data into two parts: the first, nearly proportional to n, corresponding to diffraction on neighboring atoms and the second one, a small contribution of n, e scattering independent on n. The proposed technique is demonstrated using the structure factor S(q) for gaseous krypton