Hengzongshu/ArticleAgent huggingface dataset:
classical Euler-Bernoulli beam theory and Timoshenko beam theory

free vibrations of laminated beams in terms of three-dimensional linear theory of elasticity, using an asymptotic splitting method to obtain analytic solutions for natural frequencies

results were compared with classical Euler-Bernoulli beam theory and Timoshenko beam theory
We experimentally demonstrate the generation of soliton-like pulses with 195–230 fs duration and energy up to 20 nJ in the spectral region of 1.9–2.5 µ m directly from the Tm-doped all-fiber MOPA laser.

The emerged Raman solitons generated directly in the fiber amplifier exhibit unusual dynamics and spectral properties forming a supercontinuum without conventional gaps between Stokes pulses. Namely, at the output powers above 2 W, in addition to conventional soliton spectral peaks beyond 2.3 μ m, we observe high spectral density over an extended range of 1.95–2.23 μ m corresponding to a coherent structure that to the best of our knowledge differs from any previously observed supercontinuum regimes. The average optical power of the fiber laser is at the 3-W level, whereas the estimated peak power reached the 80-kW level.

Such a relatively simple laser system with high spectral density is a promising light source for various applications ranging from advanced comb spectroscopy to ultra-fast photonics.
Experimental data on the evolution of controlled stationary and travelling disturbances in a 3D supersonic boundary layer, over a 45° swept-wing at Mach number 2.0, is presented.

Travelling artificial disturbances were introduced in the boundary layer by periodical glow discharge, at a frequency of 20 kHz. Stationary disturbances were acquired by setting the roughness elements on the surface of the model. Spatial-temporal and spectral-wave characteristics of the wave train at the frequency 20 kHz, in the linear region of development, were obtained.

It was found that the periodic modulation of mean flow can lead to the stabilization of unstable travelling disturbances in the supersonic boundary layer of a swept wing. These experiments have investigated the viability of using roughness elements to control laminar-turbulent transition.
In the paper, we present the Budker Institute long term plans for development of the plasma physics database for an advanced fuel fusion reactor based on the axisymmetric linear magnetic trap. An analysis of the existing database gained in the experiments at the open magnetic systems in the Budker Institute and worldwide is presented. To develop the required database a stepwise approach is applied, which suggests construction of the several experimental devices with progressively increased plasma parameters, which incorporate the different constituents of the approach.
We studied wave currents arising from a vertical lifting of a symmetric convex body, partially submerged in shallow water, filling a rectangular prismatic channel with a horizontal bottom. The simulation of such flows was carried out within the framework of the first approximation of the shallow water theory without taking into account the influence of the friction, the viscosity of the liquid and its surface tension. The flow of liquid in the domain adjacent to the lower surface of the body was obtained analytically, and outside this domain by numerically solving shallow water equations. We obtained the equations that determine the motion of the boundary of the contact area of the liquid with the lower surface of the body. We showed that the form of these equations is depend of the pressure spatial derivative sign at this boundary. Numerical calculations are presented that demonstrate the rise of the liquid after the body exiting the liquid.
The article studies the religiosity of Russian population in the 17th century in order to find out the type of this state of public mind. Special attention is drawn to the acuteness of eschatological expectations in society, which intensified during periods of crises. After the Time of Troubles (Smuta), the Church, trying to bring society out of the spiritual crisis, had been exploiting the 'end of the world' topic through publishing relevant texts. This trend was especially noticeable during the time of Patriarch Joseph.

The decision of the Moscow Printing House (Pechatnyi Dvor) to extend the amount of eschatological publications was determined not only by the direction of church policy, but also by the request in society, the desire of the population to get a more complete picture of the Christian teaching about the ultimate destinies of the world and man, since the spiritual crisis had presupposed an increase of apocalyptic moods. This desire indicates that the population was characterized by the religiosity of the medieval type. The article scrutinizes in particular the 2nd half of the 17th century, which modern researchers rightly designate as the early Modern era. In a society with such a keen perception of the time, the church reform, initiated in the middle of the century by Patriarch Nikon, was naturally not supported by a part of the population. In the interpretation of the defenders of the Old Belief, the actions of the reformers turned into clear signs of the advent of the kingdom of Antichrist, as it was prophesied in Christian teaching. It was not some peculiarity of the worldview of the opponents of church reform, their behavior adjusted the religiosity of the epoch. To justify these thoughts the position of Patriarch Nikon could be mentioned. Nikon found himself in a situation of disapproval and, arguing to be wrongfully convicted and misunderstood, he also used the eschatological doctrine.

Based on the analysis of such facts, the article concludes that the 2nd half of the 17th century was characterized by religiosity of the medieval type.
A search is made for a vectorlike $T$ quark decaying into a Higgs boson and a top quark in 13 TeV proton-proton collisions using the ATLAS detector at the Large Hadron Collider with a data sample corresponding to an integrated luminosity of $139\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$. The Higgs-boson and top-quark candidates are identified in the all-hadronic decay mode, where $H\ensuremath{\rightarrow}b\overline{b}$ and $t\ensuremath{\rightarrow}bW\ensuremath{\rightarrow}bq{\overline{q}}^{\ensuremath{'}}$ are reconstructed as large-radius jets. The candidate Higgs boson, top quark, and associated $B$ hadrons are identified using tagging algorithms. No significant excess is observed above the background, so limits are set on the production cross section of a singlet $T$ quark at 95% confidence level, depending on the mass ${m}_{T}$ and coupling ${\ensuremath{\kappa}}_{T}$ of the vectorlike $T$ quark to Standard Model particles. In the considered mass range between 1.0 and 2.3 TeV, the upper limit on the allowed coupling values increases with ${m}_{T}$ from a minimum value of 0.35 for $1.07<{m}_{T}<1.4\text{ }\text{ }\mathrm{TeV}$ to 1.6 for ${m}_{T}=2.3\text{ }\text{ }\mathrm{TeV}$.
In this paper, we try to answer the question: how the multiple scattering, the sun elevation, shape and orientation of ice crystals in the cirrus clouds affect a halo pattern.

To study the radiation transfer in optically anisotropic clouds, we have developed the software based on Monte Carlo method and ray tracing. In addition to halos, this software enables one to simulate "anti-halos", which above the cloud layer can be seen by observers.

We present the visualization of halos and anti-halos generated by the cirrus clouds for different shapes and orientations of ice crystals.
On the example of the Priobskoye oil field of the West Siberian oil and gas province, we show the relevance of studying thin-layered oil-saturated reservoirs, as well as consider the corresponding world experience.

The operating principle of a probe system with toroidal sources and receivers is described, after which we perform 2D finite-difference simulation and analysis of its signals in typical geoelectric reservoir models. The dependence of the signals on the resistivity anisotropy coefficient is demonstrated. In realistic geoelectric sections of the Priobskoye field, obtained by numerical inversion of BKZ field data, 2D finite-difference simulation for the system with toroids is conducted.

It implies the fundamental possibility of investigating thin-layered electrically anisotropic deposits of the Priobskoye field by means of the system with toroidal sources and receivers.
The molecular properties of this polypeptide put it in correspondence with the GcMAF protein described in the literature, which is undergoing clinical trials in the USA, Britain, Israel and Japan (at Saisei Mirai; Reno Integrative Medical Center; Immuno Biotech Ltd; Efranat; and Catalytic Longevity).

According to an original protocol, DBPs were obtained from human blood plasma using affinity chromatography, purified and modified to GcMAF-RF using cytoimmobilized glycosidases (beta-galactosidase and neuraminidase). The presence of the polypeptide obtained in the Gc group of blood plasma globulins was confirmed by Western blot using specific antibodies. The biological activity of the GcMAF-RF preparation was detected by the induction of phagocytic activity of macrophages and their ability to produce nitrogen monoxide (NO) in vitro. The phagocytic activity of macrophages was evaluated by their ability to uptake magnetic beads. The degree of activation of macrophages was calculated by the ratio of trapped beads to the total number of macrophages. The level of NO production was estimated by the accumulation of nitrogen monoxide in the culture supernatants of peritoneal macrophages by the colorimetric method using the Griess reagent.

It was shown that GcMAF-RF multiplies the phagocytic activity of macrophages and significantly increases their production of nitrogen monoxide. The macrophage activator GcMAF-RF, according to its characteristics, corresponds to similar preparations which are made available to the market by foreign companies, and can be considered as a new biologically active preparation with a wide spectrum of action. Of greatest interest is its ability - through the activation of macrophages - to enhance the adaptive immunity. In this regard, two areas of therapeutic use of the GcMAF-RF are proposed. The preparation will be in demand in the field of cancer treatment, and, in addition, it can be used in the treatment of a number of neurodegenerative pathologies.
We study the rare B meson decays B±,0→J/ψK+K−K±,0, B±,0→J/ψϕK±,0, and search for B0→J/ψϕ, using 469×106 B¯B events collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+e− asymmetric energy collider.

We present new measurements of branching fractions and a study of the J/ψϕ mass distribution in search of new charmonium-like states.

In addition, we search for the decay B0→J/ψϕ and find no evidence of a signal.
Herein, we investigate a novel set of polarizing agents—mixed‐valence compounds—by theoretical and experimental methods and demonstrate their performance in high‐field dynamic nuclear polarization (DNP) NMR experiments in the solid state. Mixed‐valence compounds constitute a group of molecules in which molecular mobility persists even in solids. Consequently, such polarizing agents can be used to perform Overhauser‐DNP experiments in the solid state, with favorable conditions for dynamic nuclear polarization formation at ultra‐high magnetic fields.
Pluripotency is maintained by a complex system that includes the genetic and epigenetic levels. Recent studies have shown that the genetic level (transcription factors, signal pathways, and microRNAs) closely interacts with the enzymes and other specific proteins that participate in the formation of the chromatin structure. The interaction between the two systems results in the unique chromatin state observed in pluripotent cells. In this review, the epigenetic features of embryonic stem cells and induced pluripotent stem cells are considered. Special attention is paid to the interplay of the transcription factors OCT4, SOX2, and NANOG with the Polycomb group proteins and other molecules involved in the regulation of the chromatin structure. The participation of the transcription factors of the pluripotency system in the inactivation of the X chromosome is discussed. In addition, the epigenetic events taking place during reprogramming of somatic cells to the pluripotent state and the problem of "epigenetic memory" are considered.
This article examines the texts of the Indo-European tradition, which narrate about the myths of the origin of peoples. Thus, a segment of the Anglo-Saxon runic series correlates with Tacitus’s description of the origin of the Ingevon tribe. Ethnogonic texts also tell about the correlation of totem and ethnonym in past eras. The German influence on the choice of the ethnonym Rus, determined by the alliterative connection of the name of the country with the name of Rurikovich, has been explained. The Rurikovich themselves came from the name of the Rhos tribe. Many ethnogonic texts are associated with sacrificial rituals.

As a result, the parameters of the ethnically derived text are reconstructed. The parameters explain the choice of the sequence of the runes of the Anglo-Saxon Futhark. The restored text testifies that the Ingevons, who had the totem deity Ing, lived on the shores of the Ocean, and this was their homeland. In this context, of interest is the name Italia, which takes its origin in the sacred texts of the high sacred style. The most ancient Indo-European inscription in the Lusitanian language, written in a high style and telling about the origin of the Veaminikori tribe, is analyzed. The choice of the names of sacred animals is contrasted with the profane names of the Latin prayer to the god Mars. The suouetaurilia prayer bears witness to the repertoire of sacrificial texts about dairy animals.

As a result, it becomes clear that the name Italy is derived from the name uitulus in a high sacred style. Thus, the thematic contours of Indo-European texts containing ethnogonic myths about the origin of peoples are revealed. The boundaries between cultures are erased, and the Indo-European prototext comes to the fore, giving impetus to the genesis of ethnonyms, the naming of totems, as well as the names of their own tribal leaders. Thus, we can conclude that the sacred names of young dairy animals are represented in the Lusitanian language. In the rite of sacrifice, the scale of high style is attested. The name Italia refers precisely to the solemn sacred layer of vocabulary, but already as the implicit name of a Latin prayer to the god Mars. In the proportions of a proper name, rules for handling a name are incorporated, which vary from tradition to tradition. Attention is drawn to the special nature of ethnogonic texts that shed light on the origin of peoples. Cultural boundaries can be the limit that generates recognizable patterns that migrate from culture to culture.
This Letter describes a search for narrowly resonant new physics using a machine-learning anomaly detection procedure that does not rely on signal simulations for developing the analysis selection. Weakly supervised learning is used to train classifiers directly on data to enhance potential signals. The targeted topology is dijet events and the features used for machine learning are the masses of the two jets. The resulting analysis is essentially a three-dimensional search A→BC, for m_{A}∼O(TeV), m_{B},m_{C}∼O(100 GeV) and B, C are reconstructed as large-radius jets, without paying a penalty associated with a large trials factor in the scan of the masses of the two jets. The full run 2 sqrt[s]=13 TeV pp collision dataset of 139 fb^{-1} recorded by the ATLAS detector at the Large Hadron Collider is used for the search. There is no significant evidence of a localized excess in the dijet invariant mass spectrum between 1.8 and 8.2 TeV. Cross-section limits for narrow-width A, B, and C particles vary with m_{A}, m_{B}, and m_{C}. For example, when m_{A}=3 TeV and m_{B}≳200 GeV, a production cross section between 1 and 5 fb is excluded at 95% confidence level, depending on m_{C}. For certain masses, these limits are up to 10 times more sensitive than those obtained by the inclusive dijet search. These results are complementary to the dedicated searches for the case that B and C are standard model bosons.
Recently, interest in micro-jet research has increased that is related to the potential use of micro-jets in various applications of aerospace and chemical industries. Non-axisymmetric nozzles, in particular rectangular ones, are often used due to design considerations. The purpose of this work is numerical and experimental study of the ejection of underexpanded micro jets from a slotted nozzle into still air in wide range of jet pressure ratio, height of the rectangular nozzle, and height-to-width ratio. The jets have sonic velocity at the nozzle exit. The paper presents the results of experiments on visualization of the gas micro-jets outflow using a shadowgraph method, as well as longitudinal and transverse pressure distribution measured by Pitot tubes. Numerical simulation of the ejection of underexpanded microjets from the slotted nozzle into still air has been carried out in 2D statement. Calculations have been performed at the same conditions in the still area as experimental ones. Stationary Reynolds-averaged Navier-Stokes equations have been solved for the turbulent flow regime with the turbulence model k-ω SST. The measurements and visualization of the flow allowed us to obtain parameters: the length both of a non-dimensional average shock cell and the first one.
The method of producing nano-dimensional silicon powders from monosilane pyrolysis by compressing in a cyclic process in the flow reactor has been proposed and implemented.

The resulting powder has been examined by X-ray diffraction and electron microscopy. The new design solutions and ceramic coatings obtained by using microarc oxidation for the piston-cylinder assembly – a compression unit of the reactor, allowed avoiding the use of compression rings and lubricants and achieving high compression ratio, pressure and temperature in the reactor needed for monosilane pyrolysis.

Pyrolysis in the flow reactor is convenient, technological and efficient to be used in the production of high purity silicon nanopowders.
The generally accepted view that public investment and the resource economy, which were the most important factors of spatial development in the Soviet period, continue to be substantial

The paper includes the research results on the changes in the spatial proportions of the development of post-Soviet Russia in several dimensions: east–west, 'periphery'-'centre', rural–urban and resource-processing economies. The analysis showed that there was a concentration of economic activity throughout the country

The market and the agglomeration factors appear to be the main determinants of the observed spatial transformations. Federal investment is insignificant for noticeable changes in the spatial proportions, whereas the influence of mining sector appears to be ambiguous and depends on the regional specialization
In September 2019, the All-Russian Scientific Conference VIII Siberian Philosophical Seminar «The Siberian Dimension of Russian Philosophy: Schools, Directions, Traditions», organized by Novosibirsk State University and Gorno-Altaysk State University, was held in Novosibirsk and Gorno-Altaysk.

The conference discussed key issues of philosophy and related sciences, such as history, political science, sociology, economics and jurisprudence, related to the modern interpretation of the foundations of philosophical culture, which played a key role in the formation of modern Western civilization.

The conference showed that Siberian scientists have the potential to turn Siberian philosophy into one of the most important centers of the domestic and world philosophical network.
Despite many studies, the impact of chromosome rearrangements on gene flow between chromosome races of the common shrew (Sorex araneus Linnaeus, 1758) remains unclear. Interracial hybrids form meiotic chromosome complexes that are associated with reduced fertility. Nevertheless comprehensive investigations of autosomal and mitochondrial markers revealed weak or no barrier to gene flow between chromosomally divergent populations.

In a narrow zone of contact between the Novosibirsk and Tomsk races hybrids are produced with extraordinarily complex configurations at meiosis I. Microsatellite markers have not revealed any barrier to gene flow, but the phenotypic differentiation between races is greater than may be expected if gene flow was unrestricted. To explore this contradiction we analyzed the distribution of the Y chromosome SNP markers within this hybrid zone. The Y chromosome variants in combination with race specific autosome complements allow backcrosses to be distinguished and their proportion among individuals within the hybrid zone to be evaluated.

The balanced ratio of the Y variants observed among the pure race individuals as well as backcrosses reveals no male mediated barrier to gene flow. The impact of reproductive unfitness of backcrosses on gene flow is discussed as a possible mechanism of the preservation of race-specific morphology within the hybrid zone.
This paper presents the characterization of an algorithm aimed at performing accurate fiber optic-based shape sensing. The measurement of the shape relies on the evaluation of the strains applied to an optic fiber in order to identify relevant spatial parameters, such as the curvature radii and bending direction, which define its shape. The measurement system is based on a 7-core multicore fiber, containing up to 9 triplets of fiber Bragg grating sensors (FBGs) organized around a central core used as reference. The proposed study aims at comparing the widely used Frenet-Serret equations with an algorithm based on the homogeneous transformation matrices that are normally used in robotics to express the position of a point in different frames, i.e. from local to global coordinates. The numerical results of the performed experiments (with different multicore fibers and setups) extensively prove the superiority of the alternative method over the Frenet-Serret equations in terms of finding a trade-off between accuracy and execution time.
We report the first WDM numerical characterisation of crosstalk growth in cascaded Raman-Assisted Fibre Optical Parametric Amplifiers (RA-FOPAs). A cascade of ten RA-FOPAs results in ~13dB lower crosstalk than the equivalent cascade of conventional FOPAs.
The text of the work presents an analysis of some of the world's phenomena in the era of postmodern from a psychological standpoint. A person can feel uncertainty and anxiety due to changes in the postmodern world. Along with reality, there is a virtual version of it, real objects and events are replaced by their signs, or simulacrum. There are catastrophic phenomena at different levels of human life. Art also undergoes changes, which, on the one hand, reflect the state of reality and the inner world of the person-creator, and on the other hand, they construct the present and the future, influencing the perception of the viewer. The article raises questions about what is art in current time, what are the characteristics of art perception, and how artworks can affect a person in the postmodern world.