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1161
SPA-PNN ligand for the kinetic resolution of carbocyclic and heterocyclic spiranes by asymmetric hydrogenation
Published 2025-07-01“…This asymmetric transformation features broad substrate scope (four different types of spirocycle), low catalyst loading (S/C = 5000), and an excellent kinetic resolution efficiency (selectivity factor of up to 207). …”
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1162
An Impact Vibration Experimental Research on the Pretension Rectangular Membrane Structure
Published 2015-01-01“…The pretension of the membrane is applied with biaxial tension bracket; the digital dynamometer is used for measuring the change of the tension; the concentrated impact load is applied on the surface of rectangular membrane; the displacement change of each feature point on the membrane surface is measured by noncontact laser displacement sensor. …”
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1163
Graphene–tungsten oxide hybrid nanocomposites for high-performance dielectric films in conductive polymer matrices
Published 2025-07-01“…The structural and morphological features were investigated by FTIR, XRD, EDX, and SEM. …”
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1164
Improving the Performance of a Semitransparent BIPV by Using High-Reflectivity Heat Insulation Film
Published 2016-01-01“…Currently, standard semitransparent photovoltaic (PV) modules can largely replace architectural glass installed in the windows, skylights, and facade of a building. Their main features are power generation and transparency, as well as possessing a heat insulating effect. …”
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1165
ROLLING BEARING FAULT DIAGNOSIS METHOD BASED ON CONVOLUTIONAL DEEP FOREST
Published 2024-01-01“…Aiming at the vibration signal of rolling bearing with problems of nonlinear,small sample size and traditional machine learning based diagnosis algorithm required expert experience,a convolutional deep forest(CDF)based rolling bearing fault diagnosis algorithm was proposed.Firstly,the one-dimensional vibration signal was preprocessed through normalization and transformation into image.Then the convolution neural network was exploited to train the image to complete the end-to-end feature extraction,and the cascade forest was used to analyze and classify the features.Finally,the effectiveness of CDF was verified on the bearing data set.The experimental results show that CDF can achieve high accuracy for small or big sample data under four loads.In addition,the accuracy of convolution neural network and CDF based on two-dimensional image are higher than one-dimensional,which proves the effectiveness of data preprocessing operation based on signal to image.…”
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1166
Prototype Hardware Implementation of a Boost Converter for DCMPFC
Published 2017-05-01“… Power Factor Correction (PFC) is an essential feature of many AC/DC Power Electronics products. …”
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1167
Harmonization of rail profiles and wheel pair
Published 2016-08-01“…The main difficulty of developing measures for complex evaluation of loading and increasing of resource of running gear parts performance is considering of differences of performance conditions of wheel-rail system. …”
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1168
Meso research on the mechanical properties of rock specimens with double prefabricated circular holes based on digital image correlation
Published 2020-07-01“…The main findings are as follows: (1) In the early stages of the test loading, as the load increases, it can be found from the evolution of the cloud diagrams that the strain is transferred from the initial distribution around the prefabricated circular holes to the upper and lower ends of the prefabricated circular holes, and gradually extends outward along the vertical direction. (2) During the period from the stable expansion phase of the crack to the nonstable expansion phase, when the stress-strain curve has a stress drop, it is accompanied by a sharp increase in the number of acoustic emission events. …”
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1169
The Role of Cardiac Magnetic Resonance Imaging in the Management of Hypertrophic Cardiomyopathy
Published 2025-05-01“…It is a complex and highly heterogeneous disorder, with phenotypes ranging from asymptomatic to severe disease, characterized by asymmetric left ventricular (LV) hypertrophy unexplained by loading conditions, which is also associated with myocardial fiber disarray, and preserved or increased ejection fraction without LV dilation. …”
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1170
Stress state of the foundations of buildings and structures
Published 2020-10-01“…Determination of the stress state of a ground base with a trapezoidal cutoff from the action of own weight, according to the conditions of equivalence of effects, is reduced to determining the stress state from the external surface load distributed according to the hydrostatic law. …”
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1171
Skill and efficiency in Acheulian giant core reduction
Published 2025-06-01“…Our results show that knapping expertise is correlated with increased efficiency in exploiting core volume and creating blanks with morphometric features that are ideal for shaping LCTs. We further argue that economizing LCT shaping processes through front-loading time investment in blank production probably involved expert cognition and may have had social implications for skill development in the deep past.…”
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1172
Assessing Courseware: Insights From Medical Students on Textbook Efficacy in Palestinian Medical Contexts
Published 2025-05-01“…The survey, originally comprising 26 items, was refined to 13 items following measurement scale and factor loading analysis. The refined items focused on three core dimensions: communication proficiency (COM), content and features (CON), and language clarity (LAC). …”
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1173
Structural Damage Evolution of Mesoscale Representative Elementary Areas of Mudstones
Published 2023-01-01“…The damage evolution and failure mode are sensitive to the inclusion geometric features, e.g., inclination, grain size, and spacing. …”
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1174
Filamentous fungal pellets as versatile platforms for cell immobilization: developments to date and future perspectives
Published 2024-10-01“…Optimization efforts to improve cell loading on the mycelium has led to advancements both in the applied and basic sciences to understand the inter- and intra-kingdom interactions. …”
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1175
Constitutive Modelling of the Cyclic Response of Unsaturated Soils: A Discussion of the State-of-Art
Published 2024-01-01“…Two main approaches were identified based on the mechanical features, while regarding the hydraulic behaviour, the main distinction lies in the selected SWRC. …”
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1176
Technology and equipment for harvest and transportation of grain in selection and primary seed breeding
Published 2016-10-01“…Creation of new generation of machines should be carried out according to the reached technological level and constructive decisions directed on resource-saving and the fullest accounting of agrobiological features of objects of machine influence, especially grain crops. …”
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1177
Evaluation of the Energy Balance Components of a Mobile Robotic Module for In-Pipe Diagnostics on a Wheeled Chassis
Published 2025-06-01“…The dependencies are obtained based on the methods and approaches of the theory of wheeled and tracked vehicles motion, taking into account the design features of the robot transport system, wheel loading scheme, and track characteristics. …”
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1178
Effect of dexmedetomidine combined with magnesium sulphate on intracranial tension in patients with severe pre-eclampsia using ultrasonographic optic nerve sheath Diameter - A rand...
Published 2025-08-01“…Conclusion: Dexmedetomidine infusion in combination with magnesium sulphate effectively mitigates the elevation of intracranial tension observed in pre-eclamptic patients with severe features without increasing maternal or neonatal adverse events.…”
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1179
Research on Ground Contact Characteristics and Influencing Factors of Tires with Complex Tread Patterns Based on Inverse Modeling
Published 2025-06-01“…Under incremental vertical loading, the contact patch develops progressively into a saddle-shaped geometry featuring elevated shoulder regions and a recessed central zone. …”
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1180
Analysis of multiple faults in induction motor using machine learning techniques
Published 2025-06-01“…Through ensemble learning and feature selection, the models cope well with big data sets with enhanced fault classification accuracy and robustness against noise. …”
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