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67081
Material Weakening of Slip Zone Soils Induced by Water Level Fluctuation in the Ancient Landslides of Three Gorges Reservoir
Published 2014-01-01“…The results of this study provide a foundation for revealing the deformation and damage mechanism of landslides in reservoir banks.…”
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67082
Vibration Characteristic Analysis of Shearer Cutting Unit and the Transmission System Structure Optimization
Published 2015-01-01“…A virtual rigid-flex coupled prototyping of a new type shearer cutting unit is established based on the software of Pro/ENGINEER,ADAMS,ANSYS and MATLAB,and the forced vibration analysis of shearer cutting unit model is carried out based on the ADAMS/Vibration module,through the observation of main vibration mode of system find out that cutting of the excitation system does not inspire cutting part resonance occurs,but observation the system 33 order vibration mode,found near the center of mass in the shearer cutting,a larger torsional vibration is occuring,in order to improve the stability of coal winning machine shearer cutting,its transmission system is optimized,the results show that the centroid of the optimized shearer cutting x,y,zthree directions of the acceleration response amplitude is reduced by 74.2%,64.83% and 7.02%respectively,the torsional vibration decrease obviously,other test points are also significantly reduce the vibration amplitude,and the free modal and constraint modal of shell deformation amplitude have been improved significantly,decreased by 95.9% and 93.98% respectively,the optimization effect is remarkable.…”
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67083
Electrochemical Preparation of Recycled Self-Compacting Concrete Composite Beams and Their Application in Prefabricated Buildings
Published 2022-01-01“…However, the research on the construction technology of the prefabricated building is still in its infancy, and there are many difficulties and challenges in the construction. The deformation and internal force of a prefabricated residential laminated floor slab in the construction process of prestressed PK slab transportation, stacking, hoisting, and the laminated cast-in-situ layer will affect the normal use of the building. …”
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67084
Optimizing the graft size in the Evans osteotomy to minimize the calcaneocuboid joint pressure by highly realistic in-silico analysis
Published 2025-01-01“…The developed FEA model was validated by comparing the in-vivo pressure distribution on the foot plantar with the in-silico results, resulting in a low deviation equal to 7.8%, and with the deformed foot shape caused by the body weight in static standing position measured by a high-precision lidar scanning, for an average shape error of 5.3%. …”
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67085
Non-invertible symmetry in Calabi-Yau conformal field theories
Published 2025-01-01“…Our approach begins at a Gepner point in the conformal manifold where the sigma model specializes to a rational conformal field theory and we can identify all supersymmetric topological Verlinde lines. By deforming away from this special locus using exactly marginal operators, we then identify submanifolds in moduli space where some non-invertible symmetry persists. …”
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67086
Homotopy Analysis of the Radiation Effect on MHD Flow with Heat and Mass Transfer due to a Point Sink
Published 2016-01-01“…The analytical solution obtained by the HAM is very near to the exact solution for a properly selected initial guess, auxiliary, and convergence control parameters and for higher orders of deformations.…”
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67087
Rate Sensitive Continuum Damage Models and Mesh Dependence in Finite Element Analyses
Published 2014-01-01“…The second one is a continuum damage model, where the damage variable is affecting the material response continuously during the deformation. Both the plasticity and the damage models are rate dependent, and the damage evolutions for both models are defined as a postprocessing of the effective stress response. …”
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67088
Improved Riccati Transfer Matrix Method for Free Vibration of Non-Cylindrical Helical Springs Including Warping
Published 2012-01-01“…In the formulation, the warping effect upon natural frequencies and vibrating mode shapes is first studied in addition to including the rotary inertia, the shear and axial deformation influences. The natural frequencies of the springs are determined by the use of improved Riccati transfer matrix method. …”
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67089
Rock Stability Assessment Based on the Chronological Order of the Characteristic Acoustic Emission Phenomena
Published 2018-01-01“…Sudden inelastic deformations in rock are associated with acoustic emission (AE). …”
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67090
Stress Analysis of CFG Pile Composite Foundation in Consolidating Saturated Mine Tailings Dam
Published 2016-01-01“…Additionally, compared with the laboratory model test results, the pile-soil stress ratio decreases with the increasing of the load in FEM results proved to better conform to the actual engineering conditions. Furthermore, the deformation modulus and thickness of cushion exert significant influence on pile-soil stress ratio and integral bearing capacity of CFG composite foundation.…”
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67091
Primary Candida guilliermondii Infection of the Knee in a Patient without Predisposing Factors
Published 2012-01-01“…If left untreated, irreversible deformity and pain with severe osteoarticular destruction occur. …”
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67092
Experimental Accuracy and Stability of Gas Outburst Experimental System
Published 2021-01-01“…The cracks of similar materials increase the nominal volume of similar materials, and the deformation energy stored in similar materials slightly increases. …”
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67093
Differences in cNOS/iNOS Activity during Resistance to Trypanosoma cruzi Infection in 5-Lipoxygenase Knockout Mice
Published 2019-01-01“…We used infected 5-lipoxygenase-deficient mice (5-LO−/−) to explore the participation of nitric oxide synthase isoforms, inducible (iNOS) and constitutive (cNOS), in heart injury, cytokine profile, and oxidative stress during the early stage of T. cruzi infection. …”
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67094
THE NIGERIAN OIL RESOURCEAND SOVEREIGN WEALTH FUND: AN INTERROGATION
Published 2022-12-01“…Findings reveal poor political institutions, corruption and lack of accountability, weak executive control of oil resource governance with apparent inadequate checks and balances, and the resultant conflicts and clashes of interests, manipulations, and inflation of oil contracts with favouritism in allocating oil blocs to cronies.Therefore, this articleshades in a newlight by interrogating the Nigerian Sovereign Wealth Fund to ensure optimal benefits of oil wealth to all citizenry; it submits that measures must be adopted in building political institutions, reforming the Niger Delta Development Commission; diversification, building a welfare state, equitable distribution of oil wealth and the imposition of direct tax. …”
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67095
Prediction Method for the Ground Vibration Damage Boundary of Thick and Hard Rock Layer Fracture Type Mine Quakes
Published 2022-01-01“…The research results reveal that the elastic deformation of the fixed support end of the thick and hard rock layer structure in the stope is the main energy source for the formation of mine quakes, and that the particle vibration velocity caused by the propagation of focal energy to the ground can reasonably reflect the response degree of vibration damage. …”
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67096
Structural health detection sensor based on RFID technology
Published 2025-01-01“…The sensor can detect changes in crack width, depth, and length without deformation, demonstrating a linear relationship between crack expansion and resonant frequency.…”
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67097
Lexis of destruction in the Russian and Serbian languages
Published 2024-01-01“…The central unit of such a verb-centric field is the verb destroy, which forms the semantic basis of many other lexemes in this category.…”
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67098
Analysis of Strata Behavior Process Characteristics of Gob-Side Entry Retaining with Roof Cutting and Pressure Releasing Based on Composite Roof Structure
Published 2019-01-01“…Besides, taking the 8304 working face of Tashan Coal Mine as an example, the results of theoretical research are verified by field-monitoring data of hydraulic supports, working resistance, and roadway deformation. The results show that the weak interlayer in the composite roof is easily damaged under the external force and the distribution of the layer has a key effect on the roof characteristics. …”
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67099
THE TRADITION OF NEW PERSONALITY UPBRINGING IN THE HISTORY OF RUSSIAN EDUCATION
Published 2015-03-01“…The paper describes numerous attempts at upbringing the new personality undertaken in various periods of Russian history: the baptism of the Russian people by Prince Vladimir, reforms of Peter I concerning education and science, educational procedures introduced by Ekaterina II, etc. …”
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67100
RESEARCH ON THE AXIAL CARRYING CAPACITY OF ANGULAR CONTACT BALL BEARINGS BASED ON COMBINED LOADS
Published 2015-01-01“…Aim at difficulty to calculate the angular contact ball bearings’ axial carrying capacity in combined loads,considering the different of every roller suffered load and the actual contact angle,using deformation coordination principle and Hertz contact theory,the critical condition is that the actual contact angle is not exceed the safety contact angle,which any roller contact ellipse is not truncated. …”
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