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- Physics 1
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781
Differentiating the Acceleration Mechanisms in the Slow and Alfvénic Slow Solar Wind
Published 2025-01-01“…The additional acceleration for fast wind can be provided through an Alfvén wave pressure gradient. Beyond this fast/slow categorization, however, a subset of slow solar wind exhibits high Alfvénicity that suggests that Alfvén waves could play a larger role in its acceleration compared to conventional slow wind outflows. …”
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782
Comparing Monitoring Networks to Assess Urban Heat Islands in Smart Cities
Published 2025-05-01“…The increasing frequency and intensity of heat waves, combined with urban heat islands (UHIs), pose significant public health challenges. …”
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783
ANALYSIS OF ACOUSTIC PATH TRANSMISSION FACTOR FOR ANGULAR VELOCITY SENSOR
Published 2019-02-01“…The coefficient is identical to the path of ultrasonic delay lines on bulk acoustic waves. Although, many sources present the theoretical analysis of the path of this type, they carry out the analysis in so-called one-dimensional approximation, i.e. they perform the analysis without taking into account the limited transverse dimensions, whereas the path of the sensing element should have limited lateral dimensions, which can affect the value of transmission coefficient. …”
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784
Current Status and Development Trend of Look-Ahead While Drilling Technology
Published 2025-06-01“…Finally, the following suggestions are put forward: (1) the electromagnetic LAWD technology should develop towards multi-frequency and multi-spacing measurement mode; (2) the research on the phased array acoustic LAWD theory and technology should be strengthened, or the technology such as enhancing the look-ahead acoustic wave energy by pre-positioning the ultrasonic transducer should be explored to lay a technical foundation for the development of subsequent acoustic LAWD instruments; and (3) the research and development of VSP while drilling technology, including the development of high-accuracy sensors and the exploration of using downhole vibroseis to replace drill-bit source should be increased, so as to overcome the problem of PDC bit source. …”
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785
Similarities and differences between natural sleep and urethane anesthesia
Published 2025-05-01“…Likewise, the deactivated states, characterized by large amplitude slow waves in both urethane anesthesia and non-REM sleep, have generally been regarded as similar. …”
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786
Impacts of Storm “Zyprian” on Middle and Upper Atmosphere Observed from Central European Stations
Published 2024-11-01“…At the ionospheric heights, irregular stratification and radio wave reflection plane undulation were observed. An increase in wave-like activity was detected based on ionograms and narrowband very-low-frequency (VLF) data. …”
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787
Achieving Many-Fold Reduction in Active Elements with a Highly-Directive Beam-Steerable Huygens Box Antenna
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788
A STABLE METHOD FOR LINEAR EQUATION IN BANACH SPACES WITH SMOOTH NORMS
Published 2018-12-01“…A boundary control problem for the one-dimensional wave equation is considered as an example of possible application. …”
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789
A 57-64 GHz High-gain Amplifier using Ultra-wideband Inductors in the IMNs and Optimization by PCA and SDSM
Published 2021-12-01“…In this paper, the design and optimization of a cascaded common source four-stage millimeter wave amplifier in a 130 nm CMOS technology has been presented. …”
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790
Generation of polarization-entangled counter-propagating photons with high orbital angular momentum
Published 2025-01-01“…In our setup the pairs of photons are generated in a cylindrical fiber through a four-wave mixing process, which induces polarization, or spin entanglement. …”
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791
Robust Algorithms for Fitting Q-Factor in the Complex Domain
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792
The Orthotropy Effect of Underground Inclusion on the Seismic Response of Ground Surface
Published 2025-03-01“…This paper presents a formulation of the attenuated orthotropic time-domain half-space boundary element method for analyzing the orthotropic effect of underground inclusions subjected to transient SH-waves. The stress-free boundary condition at the ground surface is satisfied using wave source image theory. …”
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793
La Inmigración de posguerra en la Argentina: identidad individual, identidad familiar y fuentes epistolares
Published 2015-12-01“…In the first part we consider the characteristics this family shared with the wave of Sicilians entering the country, in the context of the postwar migration flow to Argentina. …”
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794
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795
Multi-stage Characteristics and Causes of a Severe Convective Process in Guangxi in Spring
Published 2025-05-01“…Based on multi-source data, multi-stage characteristics and mechanisms involved in a severe convective process are analyzed which occurred in Guangxi on 4-5 April 2024. …”
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796
Reverse Shock Emission from Misaligned Structured Jets in Gamma-Ray Bursts
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797
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798
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799
A Coherent Radio Burst from an X-Ray Neutron Star in the Carina Nebula
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800
Adaptability assessment of the whitecap statistical physics model with cruise observations under high sea states
Published 2025-02-01“…At the same time, discrepancies in the model results were observed, which were attributed to errors in the WSPM's data sources and complex sea conditions characterized by rapid shifts in wind direction and alternating dominance of wind waves and swell. …”
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