Correct statement of a scattering problem for quantum charged scalar particles on the Reissner-Nordstr\"{o}m black holes

We study a correct statement of the scattering problem arising for quantum charged scalar particles on the Reissner-Nordstr\"{o}m black holes when taking into account the own electric field of black hole. The elements of the corresponding S-matrix are explored in the form convenient to physical applications and for applying numerical methods. Some further possible issues are outlined.Comment: 12 pages, LaTeX with using the ijmpd1.sty file from the package of World Scientific Publishing Co., to appear in Int. J. Mod. Phys. D7 (1998

The design of the content of training managers for production

The content of vocational education should be tailored to the requirements of employers. The manager of the production sphere must simultaneously perform three types of activity: production, administrative and economic. The authors propose to introduce in the content of professional training on the profile «Industrial Management» additional course providing integration interaction of all types of activitiesСодержание профессионального образования должно разрабатываться с учетом требований работодателей. Менеджер производственной сферы должен одновременно выполнять три вида деятельности: производственную, управленческую и экономическую. Авторы статьи предлагают ввести в содержание профессиональной подготовки по профилю «Производственный менеджмент» дополнительный курс, обеспечивающий интеграционное взаимодействие всех видов деятельносте

Strong resonant tunneling, level repulsion and spectral type for one-dimensional adiabatic quasi-periodic Schr\"{o}dinger operators

In this paper, we consider one dimensional adiabatic quasi-periodic Schr\"{o}dinger operators in the regime of strong resonant tunneling. We show the emergence of a level repulsion phenomenon which is seen to be very naturally related to the local spectral type of the operator: the more singular the spectrum, the weaker the repulsion

Periodic Jacobi operator with finitely supported perturbation on the half-lattice

We consider the periodic Jacobi operator $J$ with finitely supported perturbations on the half-lattice. We describe all eigenvalues and resonances of $J$ and give their properties. We solve the inverse resonance problem: we prove that the mapping from finitely supported perturbations to the Jost functions is one-to-one and onto, we show how the Jost functions can be reconstructed from the eigenvalues, resonances and the set of zeros of S(\l)-1, where S(\l) is the scattering matrix.Comment: 29 page

Physical mathematical modelling of difficult elements of acrobatic rock-and-roll

Показаны направления биомеханического обоснования выполнения элемента акробатического рок-н-ролла Фус–сальто с учётом конкретных физических данных спортсменов. Разработана математическая модель для определения влияния на качество выполнения технического элемента таких параметров как: скорость и угол вылета центра масс тела спортсмена, положение центра масс тела спортсмена в начальных фазах бросковых упражнений, начальная угловая скорость вращения тела спортсмена. Определены параметры влияния осевых моментов инерции при различных группировках тела на угловую скорость вращения тела спортсмена в полете и сил сопротивления воздушной среды на характеристики полёта тела. Показаны направления выбора необходимых биомеханических характеристик, которые способны реализовать спортсмены. Предложены рекомендации по повышению эффективности выполнения элемента акробатического рок-н-ролла Фус–сальто.It is shown directions of biomechanics substantiation of implementation acrobatic rock-and-roll Fussalto element taking into account concrete physical data of sportsmen. Mathematical model is developed for determination the influence on a quality of implementation of technical element of such parameters as: speed and angle of flight of centre-of-mass sportsman’s body, position of centre-of-mass body of sportsman in the initial phases of throw exercises, initial angular velocity of rotation of body of sportsman. It is developed mathematical model to determine the impact on the quality of the technical element parameters such as speed and angle of flight of centre-of-mass of the athlete’s body, the position of center-of-mass of the athlete’s body in the initial phases of throwing exercises in the initial angular velocity of the athlete’s body. The parameters of exposure axial moments of inertia for different groupings of body angular velocity the athlete’s body in flight and air resistance forces of environment to flight characteristics of the body. Directions of choice of necessary biomechanics descriptions which are able to realize sportsmen are shown. It is offered recommendations are on the increase of efficiency of implementation of element of acrobatic rock-and-roll of Fus-salt

Evaluation of sympathoadrenal system and adrenal cortex functional activity among children in the age and sexaspects

© 2016, International Journal of Pharmacy and Technology. All rights reserved.The study of relationship between sympathetic-adrenal and pituitary-adrenal systems at the level of the whole organism in ontogenesis is a little-studied problem which has a general biological significance. A comprehensive study of regulatory system functional state of modern schoolchildren will expand the understanding of the neuroendocrine mechanisms of their age development and puberty, which is very important for the scientific foundation of the health care system among younger generation. The aim of research was a comprehensive study of the age and sex characteristics of the sympathetic-adrenal system and the adrenal cortex, the ratio of their functional activity among 10-15 year old boys and girls. The observation among children lasted for 6 years continuously. The content of adrenaline and noradrenaline in daily urine based on fluorimetric method showed the state of the sympathetic-adrenal system. The functional status of the adrenal cortex was assessed by urinary excretion of 17- ketosteroids and 17-oxycorticosteroids using a colorimetric method based on Zimmermann reaction with mdinitrobenzene and and by the reaction with phenylhydrazine after enzymatic hydrolysis (Silber's and Porter's method). The statistical significance of differences was determined by Student's t-criterion. It was shown that the daily excretion of adrenaline varies slightly among the children of both sexes, while the dynamics of norepinephrine is more pronounced and oscillatory in nature, which is consistent with the concept of chromaffin tissue earlier maturation relative to sympathetic innervation in ontogenesis. At the same time they revealed multidirectional changes in the excretion of 17-ketosteroids and 17-oxycorticosteroids among 11-13 year old boys, reflecting the biological antagonism of androgens and glucocorticoids, which have protein-anabolic and catabolic effects on a body. A certain synchronicity was established in the manifestation of the mediator link functional activity of the sympathetic-adrenal system, androgen and glucocorticoid function of the adrenal cortex, which is manifested heterochronically in sex groups among 10- 12 year old girls, and 14-15 year old boys. This confirms the literature data on the presence of close functional relationship between catecholamines and corticosteroids at different levels of neurohumoral regulatory mechanism and shows the features of adaptive reactions of children during prepubertal and pubertal development

ANTITOXIC ANTIDIPHTHERIAL ANTIBODIES IN BLOOD SERUM OF HEALTHY ADULTS UNDER DIFFERENT VACCINATION SCHEMES

Intensity of immunity to the diphtheria is analyzed, in the article according to the levels of antitoxic antibodies in blood serum, of healthy adults from 20 to 51 years and older who live in England, Italy, Latvia, Lithuania, Russia and. Finland. In Russia displacement of morbidity during the epidemic of 1993—1996 to the older age groups caused, inclusion of compulsory revaccination of adults every 10 years after the latest vaccination, of teenagers in 14 years in National calendar of o prophylactic vaccination, in 1998. Chosen tactics of vaccinal prevention, wasn't included, in National calendars of o prophylactic vaccination, of other countries including European except for Finland. On the basis of the analysis for the optimization, of vaccinal prevention, of diphtheria the authors propose: to transfer revaccination of children from the age of 18 months to the age of 3—6 years (like in Italy, England, and. Finland), to realize vaccination, of adults individually taking into account the content of antitoxic antibodies in blood serum.. Key words: diphtheria, vaccinal prevention, antitoxic antibodie

Culture as an attribute of digital transformation

The article comprehends the concept of digital culture that appeared with the beginning of the information/digital era at the end of the last century. The paper considers digital culture from the point of view of the general resource of the knowledge society and as a new social ecology that determines the experience and capabilities of people at the present time, when the digital network environment has brought new practices, opportunities and threats. Speaking about culture in the context of information and communication technologies, the authors emphasize that its influence is even more significant, since the way it is used can affect the change in the essence of our communication and cultural models and become a support for the digital transformation of organizations. Digital culture is understood as the way that society uses to receive and process information. It is required to comprehend and create a new digital culture as a guarantor of the implementation and adoption of changes in the context of widespread digitalization and rethinking of business processes, distribution channels and relations with consumers, leading, in turn, to a change in the value proposition and the consumer segments themselves. Based on the analysis, the authors formulate and substantiate five main reasons why building a digital culture should become a key problem for the successful development of any organization: 1) digital transformation will not be complete without the development of a thriving digital culture; 2) insufficient organizational culture is detrimental to success in the digital age; 3) a strong digital culture is a competitive advantage for an organization; 4) a strong digital culture is the key to business longevity; 5) using a digital culture can increase employee engagement in the work process

ANTITOXIC ANTIDIFTHERIAL ANTIBODIES IN BLOOD SERA OF HEALTHY ADULTS UNDER DIFFERENT VACCINATION SCHEMES

In this work intensity of immunity to diphtheria on the basis of indicating antitoxic antidiphtherial antiboies level in the blood sera of healthy adults aged 20 to 51 and elder, living in England, Italy, Latvia, Lithuania, Russia and Finland is analyzed. Diphtheria disease incidence shift through the epidemic in 1993—1996 in Russia to the elder age groups had resulted in inclusion of obligatory adults revaccination each 10 years after the last revaccination of teenagers in 14 year in 1998. Chosen tactics of vaccinal prevention of diphtheria didn't find reflection in National prophylactic immunization calendars of other countries including European, except Finland. On the basis of the received analysis for optimization of diphtheria vaccinal prevention, authors offer: to transfer a revaccination of children from age of 18 months to age of 3—6 years (according to the scheme in Italy, England, Finland); to carry out vaccination of adults individually depending on antitoxic antibodies concentration in blood sera

Биоразнообразие чешуйчатых хризофитовых в притоках северной оконечности озера Байкал

В устьях рр. Верхняя Ангара и Кичера, а также в трех устьях Ангаро-Кичерской дельты, по которым осуществляется поступление вод в оз. Байкал, – Душкачанском, Среднем и Дагарском в июле 2017 г. проведены комплексные альгологические и гидрохимические исследования. С помощью сканирующей и трансмиссионной электронной микроскопии определен видовой список чешуйчатых хризофитовых, включающий 31 вид и внутривидовой таксон: Chrysosphaerella – 1; Paraphysomonas – 2; Spiniferomonas – 8; Mallomonas – 14; Synura – 6. В результате проведенных исследований список видов чешуйчатых хризофитовых Байкальского региона дополнился 3 таксонами и включает теперь 76 видов и внутривидовых таксонов, что характеризует его как наиболее богатый видами чешуйчатых хризофитовых в мире