70 research outputs found
Modern Trends and Prospects for the Development of Russian Healthcare: The Role of Digital Technologies
Health care as an open system is affected by external fluctuations: the processes of globalization, digitalization and informatization; modernization and virtualization; increasing complexity of problems and volumes of information; increasing share of qualified, creative work; challenges and threats of the future, increasing social tension and devaluation of values. All this leads to a change in the management paradigm, which is based on future management, advanced development, self-education and self-development. Data analysis of VTSIOM secondary sociological studies and author’s analysis of the content of discussions from August 2018- to February 2019 of medical professionals ’online communities were conducted. The study has identified the following current trends: the growth of informatization, virtualization, the emergence of new medical technologies, the formation of the global medical market, the change in the management paradigm of public and non-profit health organizations, the formation of new requirements for managers and staff of medical organizations. Global trends are linked to the growing popularity of digital healthcare. Medical institutions, diagnostic laboratories and insurance companies are gradually getting involved in the digitalization process and creating a single electronic system. This task is included in the National strategy for the development of artificial intelligence in Russia. The study has fixed that the problem of accessibility and quality of medical care in the country remains relevant, which is confirmed by the data of independent sociological studies. The main risks of digital medicine development are data security and insufficient professional competence of medical personnel in the field of information technology. It is important to support the processes the of users number of medical relevant social networks: iVrach.com, imedicina.ru, vrachirf.ru, doctocnarabote.ru, novmed.net, medtusovka.ru, doctornet.ru as well as consolidation of Russian technology companies in developing their own up-to-date software products for digital medicine.
Keywords: Digital Healthcare; digital technologies; quality of medical services, telemedicine, Russian healthcare, risks of digitalization Introductio
Galkhaita
Los análisis de Gal-Khaya y Khaidarkan dieron, respectivamente, Hg 47,60, 49,02; Cu 3,49, 2,85; Zn 3,00, 0,60; Fe 0,31, nada ; Tl 0,46, 2,90; As 23,60, 19,49; Sb 0,59, 5,51; S 21,00, 19,31; Se 3 ppm, 150 ppm; total 100,05, 99,695 %.(...
Combined atomic clock with blackbody-radiation-shift-induced instability below 10-19under natural environment conditions
We develop a method of synthetic frequency generation to construct an atomic clock with blackbody radiation (BBR) shift uncertainties below 10-19 at environmental conditions with a very low level of temperature control. The proposed method can be implemented for atoms and ions, which have two different clock transitions with frequencies ν1 and ν2 allowing to form a synthetic reference frequency νsyn = (ν1 - ϵν2)/(1 - ϵ), which is absent in the spectrum of the involved atoms or ions. Calibration coefficient ϵ can be chosen such that the temperature dependence of the BBR shift for the synthetic frequency νsyn has a local extremum at an arbitrary operating temperature T0. This leads to a weak sensitivity of BBR shift with respect to the temperature variations near operating temperature T0. As a specific example, the Yb+ ion is studied in detail, where the utilized optical clock transitions are of electric quadrupole (S → D) and octupole (S → F) type. In this case, temperature variations of ±7 K lead to BBR shift uncertainties of less than 10-19, showing the possibility to construct ultra-precise combined atomic clocks (including portable ones) without the use of cryogenic techniques
Systematic study of tunable laser cooling for trapped-ion experiments
We report on a comparative analysis of quenched sideband cooling in trapped ions. We introduce a theoretical approach for time-efficient simulation of the temporal cooling characteristics and derive the optimal conditions providing fast laser cooling into the ion’s motional ground state. The simulations were experimentally benchmarked with a single 172Yb+ ion confined in a linear Paul trap. Sideband cooling was carried out on a narrow quadrupole transition, enhanced with an additional clear-out laser for controlling the effective linewidth of the cooling transition. Quench cooling was thus for the first time studied in the resolved sideband, intermediate and semi-classical regime. We discuss the non-thermal distribution of Fock states during laser cooling and reveal its impact on time dilation shifts in optical atomic clocks
Study of KS KL Coupled Decays and KL -Be Interactions with the CMD-2 Detector at VEPP-2M Collider
The integrated luminosity about 4000 inverse nanobarn of around phi meson
mass ( 5 millions of phi mesons) has been collected with the CMD-2 detector at
the VEPP-2M collider. A latest analysis of the KS KL coupled decays based on 30
% of available data is presented in this paper.
The KS KL pairs from phi meson decays were reconstructed in the drift chamber
when both kaons decayed into two charged particles. From a sample of 1423
coupled decays a selection of candidates to the CP violating KL into pi+ pi-
decay was performed. CP violating decays were not identified because of the
domination of events with a KL regenerating at the Be beam pipe into KS and a
background from KL semileptonic decays.
The regeneration cross section of 110 MeV/c KL mesons was found to be 53 +-
17 mb in agreement with theoretical expectations. The angular distribution of
KS mesons after regeneration and the total cross section of KL for Be have been
measured.Comment: 14 pages, 8 figure
Measurement of the meson parameters with CMD-2 detector at VEPP-2M Collider
About 300 000 events in the center of mass
energy range from 984 to 1040 MeV were used for the measurement of the
meson parameters. The following results have been obtained: MeV.Comment: 13 pages, 5 figures, 5 table
Polarization method for controlling a sign of electromagnetically-induced transparency/absorption resonances
We propose a new easy method to control a sign of the subnatural resonances of
electromagnetically-induced transparency and absorption in the Hanle configuration under
counterpropagating light waves. The analytical results for a three-level atomic
Λ-scheme are corroborated by numerical calculations for various atomic
transitions. The results can be applied in nonlinear optics, optical communications and
magnetometry
Hyper Ramsey-Bordé matter-wave interferometry for robust quantum sensors
A new generation of atomic sensors using ultra-narrow optical clock transitions and composite pulses are pushing quantum engineering control to a very high level of precision for applied and fundamental physics. Here, we propose a new version of Ramsey-Bordé interferometry introducing arbitrary composite laser pulses with tailored pulse duration, Rabi field, detuning and phase-steps. We explore quantum metrology below the level of fractional accuracy by a fine tuning control of light excitation parameters protecting ultra-narrow optical clock transitions against residual light-shift coupled to laser-probe field fluctuation. We present, for the first time, new developments for robust hyper Ramsey-Bordé and Mach-Zehnder interferometers, where we protect wavepacket interferences against distortion on frequency or phase measurement related to residual Doppler effects and light-shifts coupled to a pulse area error. Quantum matter-wave sensors with composite pulses and ultra-cold sources will offer detection of inertial effects inducing phase-shifts with better accuracy, to generate hyper-robust optical clocks and improving tests of fundamental physics, to realize a new class of atomic interferometers tracking space-time gravitational waves with a very high sensitivity
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