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1821
Dynamic generation of superflow in a fermionic ring through phase imprinting
Published 2025-01-01“…In particular, we show that, as the interaction strength increases, the azimuthal density distribution becomes less susceptible to the phase imprinting potential, leading to a smaller quantized current under the same imprinting parameters. Our results offer microscopic insights into the dynamic development of superflow in the phase-imprinting process, and are helpful for the ongoing experimental effort.…”
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1822
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1823
Spectrochemical Technology in Nanomaterial Preparation and Art Appraisal Technology Research
Published 2020-01-01“…There is still a lot of work to be done in the basic theory and analysis method of micro-Raman spectroscopy as a new microscale mechanical test method applied to the experimental research of material mechanics. …”
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1824
The cell as secret agent—autonomy and intelligence of the living cell: driving force of development
Published 2023-10-01“…To watch life at work it is the lower-power lens we need, not the high-resolution microscope.…”
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1825
Has The Teacher Taught Chemical Literacy? A Phenomenological Qualitative Research
Published 2025-01-01“…Proficiency in chemical literacy is fundamental in obtaining basic chemistry concepts, such as chemical interactions at the microscopic, macroscopic, symbolic, and process levels, and understanding and describing phenomena scientifically. …”
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1826
Green 5G ultra-dense wireless heterogeneous networks:guidelines,techniques,and challenges
Published 2017-06-01“…Ultra-dense wireless heterogeneous network (Ud-HetNet) has been recognized as one of the most promising 5G network-organization techniques to significantly improve the wireless capacity and thus solve the 1 000× data challenge faced by cellular networks.However,counter to the expected 5G vision,although benefiting from the spectrum efficiency (SE) improvement,ultra-dense network deployment significantly increases system energy consumption and thus decreases network energy efficiency (EE).The key theories and techniques for energy-efficiently deploying Ud-HetNet were investigated from two aspects of macroscopic network matching and microscopic resource aggregation by exploiting their overall network management capabilities and network diversity effects.Specifically,the overall design guidelines for green evolution were introduced firstly,and then three techniques,namely load-aware base station on/off switching,proactive caching,and interference-aware cross-network resource allocation,were proposed to improve the network EE.Open issues and challenges that need to be further explored were also discussed.…”
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1827
Experimental Study on the Aeolian Sand Solidification via MICP Technique
Published 2022-01-01“…The effects of cementation solution with different concentrations, particle size, and grouting batches are examined via the bender element, unconfined compressive test, and scanning electron microscope (SEM). The bender element results show that the wave speed of loose aeolian sand is 200 m/s; however, after solidification of the aeolian sand, the speed of P-wave is about 450-600 m/s and S-wave is about 350-500 m/s. …”
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1828
The interface between metallurgy and mechanics in material performance
Published 2010-10-01“…Engineering components and structures must, of necessity, provide a bridge between the macroscopic, homogeneous and generally continuum aspects of applied load and displacement, and the microscopic, heterogeneous and often non-continuum reality of material structure and behaviour. …”
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1829
Numerical analysis of sodium diffusion in aluminum electrolysis cathode carbon blocks based on a microstructure multi-factor corrected model.
Published 2025-01-01“…Current researches on sodium penetration in electrolytic aluminum cathode carbon blocks primarily measure cathode expansion curves, showing mostly macroscopic characteristics. However, the microscopic structure is often underexplored. As a porous medium, the diffusion performance of cathode carbon blocks is closely tied to their internal pore structure. …”
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1830
Validation of Simple Equations Describing the Adsorption of Binary Gas Mixtures onto Surfaces with an Asymmetric Distribution of Adsorption Energy
Published 2007-10-01“…On the other hand, when the AEDs were microscopically correlated, i.e. when the adsorption energy of one component on every site was shifted by a constant value compared to that of the other, the phase diagrams obtained were found to be in a very good agreement with their simulated counterparts.…”
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1831
DEVELOPMENT OF AN IMPROVED DATABASE FOR YORUBA HANDWRITTEN CHARACTER
Published 2021-12-01“…Many works have been proposed and implemented in the computerization of different human languages in the global community, but microscopic attempts have also been made to place Yoruba Handwritten Character on the board of Optical Character Recognition. …”
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1832
Tests Research on Grouting Materials of Waste-Concrete-Powder Cement for Goaf Ground Improvement
Published 2021-01-01“…X-ray diffraction (XRD) and scanning electron microscopy (SEM) tests were also conducted to analyze mineralogical phases and investigate the microscopic mechanism. Test results show that the slurry prepared by the substitution rate of 70% and adding 0.05% water-reducing agent meets well the requirements of ground grouting in mine goaf. …”
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1833
Effect of Admixture on Freeze-thaw Damage of Sleeve Grouting Materials
Published 2020-01-01“…This paper compares the physical and mechanical properties of sleeve grouting materials with different admixtures under freeze-thaw action by means of control variable method,studies the effects of different admixtures and different contents on the apparent morphology,mass loss and strength loss of sleeve grouting materials under freeze-thaw action,and further analyzes the change of species,quantity and morphology of hydration products in freeze-thaw cycle by SEM (scanning electron microscope).The results show that:After 120 freeze-thaw cycles,the mass loss of mortar specimens with admixtures is less than 2%,which is lagged compared with the compressive strength loss;Based on the gray correlation analysis,the impact of expansion agent on the mechanical properties of mortar specimens under different freeze-thaw cycles is the lowest.However,with the addition of defoaming agent,the physical and mechanical properties of mortar specimens are more sensitive to freeze-thaw damage,and the sensitivity will increase with the increase of defoaming agent contents;From the microstructure analysis,the addition of expansion agent can improve the stability of internal C-S-H gel system after freeze-thaw action.…”
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1834
Resources used by Lebanese Secondary Physics Teachers' for Teaching Electricity: Types, Objectives and Factors Affecting their Selection
Published 2018-03-01“…Moreover, teachers referred to the virtual laboratory to be more efficient than the real lab at the level of precision, clarity and management, in addition to its importance for illustration at the microscopic scale. Results also revealed that the school setting, time constraints and teachers' professional knowledge are the main factors that affect the selection and the integration of resources.…”
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1835
A New Credit and Loan Lending Strategy and Credit in Banking Systems: An Evolutionary Game Theory Approach
Published 2022-01-01“…The first type of customers includes individuals or small and medium enterprises (SME), applying for microloans from the bank. The second type of customers includes corporate banking or large enterprises, applying for large loans from the bank. …”
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1836
Atmospheric pressure plasma jet for respiratory face masks decontamination and re-use: Considerations on microbiological efficacy, material impact and product lifecycle.
Published 2025-01-01“…We studied a decontamination methodology based on atmospheric pressure plasma technology, which allows for rapid, contact-free decontamination without utilisation of harmful chemicals, and suitable to access small pores and microscopic filters openings. Promising performances in terms of bioburden reduction (Log6) were achieved while imparting mainly transient chemical surface modifications to the masks filtering layers. …”
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1837
Entanglement content of kink excitations
Published 2025-02-01“…We obtain universal predictions for the entropy difference between the excited states with a finite number of kinks and the symmetry-broken ground states, which do not depend on the microscopic details of the model in the limit of large regions. …”
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1838
Emergence of opposing arrows of time in open quantum systems
Published 2025-01-01“…Abstract Deriving an arrow of time from time-reversal symmetric microscopic dynamics is a fundamental open problem in many areas of physics, ranging from cosmology, to particle physics, to thermodynamics and statistical mechanics. …”
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1839
Solidifying dust suppressant based on modified chitosan and experimental study on its dust suppression performance
Published 2018-02-01“…The coal particles suppressed by the dust suppressant as observed with a 50,000X scanning electron microscope were coagulated together, which indicated very good cohesion effect. …”
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1840
Potential Human Models of Infammatory Bowel Disease
Published 1995-01-01“…Newly defined colitides, such as microscopic and collagenous colitis and diversion colitis, also provide potential comparative models to evaluate mucosal immune, inflammatory, reparative, secretory and absorptive regulation.…”
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