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21541
The mechanism of discriminative aminoacylation by isoleucyl-tRNA synthetase based on wobble nucleotide recognition
Published 2024-12-01“…Here, we report the structural and biochemical mechanism of N34 recognition-based tRNA discrimination by Saccharomyces cerevisiae IleRS (ScIleRS). …”
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21542
Flows on Classes of Regular Semigroups and Cauchy Categories
Published 2019-01-01“…We consider the structure of the flow monoid for some classes of regular semigroups (which are special case of flows on categories) and for Cauchy categories. …”
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21543
Analyse multi-niveaux de l’activité en situation de formation : proposition méthodologique pour une étude synchronique et diachronique
Published 2019-11-01“…This paper proposes to give a report of the methodology of construction of empirical data based on a structuring of the social-technical approach (Albero, 2010a/b/c) and the theoretical framework of the course of action (Theureau, 2006, 2015), as part of an analysis of activity in training situation. …”
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21544
Pacienti a zdravotnícky personál bratislavskej nemocnice milosrdných bratov v ranom novoveku
Published 2013-01-01“…The reforms of Maria Theresia and Joseph II. intervened in the all aspects of the orders life and its hospitals and also modified the staff and structure of pacients in Bratislava ́s infirmary. …”
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21545
Myoclonus
Published 2020-12-01“…The most common diseases, syndromes, and structural changes of the brain that can cause myoclonus are reviewed. …”
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21546
Caveats: Numerical Requirements in Graph Theory Based Quantitation of Tissue Architecture
Published 2000-01-01“…However, the question of how many objects are required to achieve reproducible values in repeated computations of proposed structural features, has previously not been adressed specifically.…”
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21547
Expanded (G/G2) Expansion Method to Solve Separated Variables for the 2+1-Dimensional NNV Equation
Published 2018-01-01“…By using this method, the solution to the detached variables of the symmetric extended form of the 2+1-dimensional NNV equation can be solved, also the soliton structure and fractal structure of Dromion can be studied well.…”
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21548
FEATURES OF CONROL OF LABOUR COMPENSATION
Published 2017-11-01“…The improvement of information and methodical support of accounting systems and internal control involves the modification of organizational structure of service of internal control, clarifying its functions and objectives. …”
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21549
Implementation of the financial standards of the European Union on the example of the legislative system of Ukraine and Germany
Published 2024-06-01“…The author draws conclusions about the place and structure of financial law in the legal systems of the two states under study. …”
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21550
Optimized Design of 3D Spatial Images Based on Kalman Filter Equation
Published 2021-01-01“…This paper takes the advantageous ability of Kalman filter equation as a means to jointly realize the accurate and reliable extraction of 3D spatial information and carries out the research work from the extraction of 3D spatial position information from multisource remote sensing optical stereo image pairs, recovery of 3D spatial structure information, and joint extraction of 3D spatial information with optimal topological structure constraints, respectively. …”
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21551
Experimental evidence of flexural phonons in low-temperature heat capacity of carbon nanotubes
Published 2025-04-01“…The magnitudes of Debye and flexural dispersive components depend on structural parameters of nanotubes: such as the diameter of individual nanotubes, the average diameter of the bundle and the size of agglomerates. …”
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21552
Preparation and Protective Performance of High-Reflection and High-Thermal Insulation Laser Protection Coatings
Published 2024-12-01“…Laser weapons have entered the actual combat application stage, and the research on anti-laser protection for air and space weapons is becoming increasingly urgent.Prolonged high-energy laser irradiation leads to problems such as reduced metal reflectance,mass loss of ablated layer of the ablative layer and insufficient heat insulation toughness.Based on this,a composite laser protection strategy based on the principles of reflection and heat insulation was proposed.In this study, by adjusting spraying power, spraying distance and other parameters, supersonic flame spraying technology and plasma spraying technology were used to prepare NiCoCrAlTaY bond coating and yttria-stabilized zirconia(YSZ) top coating double-layer coatings, to explore the influence of surface roughness and porosity on reflectivity, and to investigate the laser protection performance of the coatings.Results showed that the larger the spraying power or spraying distance, the more obvious the layer effect, and the more cross-sectional pores were observed in the coating.The surface roughness of the coating decreased first and then increased with the increase in spraying distance.When the secondary reflection structure was removed, the coating surface had Ra=1.8 μm.When Ra=0.5 μm, the wedge-shaped structure of the coating increased the reflectivity by about 2.4%compared to that of the coating when Ra=1.8 μm.It was pointed out that the layered pores were key to the high-reflection wedge structure, the spherical voids were the laser absorption points,and the process parameter of 14.7%porosity (39 kW,100 mm) was the best.In the laser ablation experiment,with the increase in laser power density, the cracks in the coating gradually increased until holes were ablated.The line ablation rate increased approximately in a parabolic manner.With low laser power density (<3 800 W/cm2), the surface structure changed slightly; as the power increased, the surface cracks increased and deepened, and the petal-like structure in the recondensing zone increased.With high laser power density (>8 050 W/cm2), partial peeling and ablation of the coating surface caused the coating to fail.…”
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21553
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21554
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21555
Influencing Factors on the Interface Microhardness of Lightweight Aggregate Concrete Consisting of Glazed Hollow Bead
Published 2015-01-01“…Lightweight aggregate concrete consisting of glazed hollow bead (GHB) as lightweight aggregate is studied for the influence of nanosilica (NS) content, prewetting time for GHB, water-cement ratio, and curing humidity, on the interface structure between GHB and cement paste. This research analyzed the influences of various factors on the interface zone structure by measuring microhardness (HV) and hydration degree of cement paste (HD) nearby the interface zone (1 mm) between GHB and cement paste at different periods of aging. …”
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21556
Research of a Wheel-legged Obstacle Crossing Robot
Published 2024-01-01“…Firstly, based on the three-dimensional modeling of the whole robot, the structure, principle and force of the transformable wheel are analyzed, and then the structure optimization is carried out by taking the ratio of the triggering torque during the transformation process and radius before and after unfolding as the index. …”
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21557
Topology Design of Modular Unit and Cable Network of On-Orbit Modular-Assembled Antenna
Published 2024-01-01“…However, this achievement necessitates the reconfiguration design of the whole antenna structure to maintain structural integrity and stability. …”
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21558
Vitiligo detection capabilities of 1D photonic crystal biosensing design
Published 2025-01-01“…The proposed structure is composed of prism/Ag/skin-sample/(GaP/PS)N/glass. …”
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21559
Dust Acoustic Shock Waves in Strongly Coupled Dusty Plasmas with Superthermal Electrons and Ions
Published 2021-03-01“…We discuss the effect of the plasma parameters on the shock wave structure. It is simply shown how soliton profile is converted into shock structure when the coupling force increases. …”
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21560
Fully Biobased Aliphatic Anionic Oligoesters: Synthesis and Properties
Published 2019-01-01“…Showing a regular structure, the nature of the different expected species present in the macromolecular structure allowed the detection of etherification and cyclisation side reactions. …”
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