Results 91 to 100 of about 98,472 (317)

Specific features of the principle of the time-temperature superposition in low density polyethylene filled with shungite

open access: yesТонкие химические технологии, 2013
The time dependence of the mechanical losses of low density polyethylene (LDPE) filled with fine particles of shungite in the process of periodic dynamic loading at changing frequency of loading and temperature was studied.
N. N. Komova   +3 more
doaj  

Online Fatigue-Monitoring Models with Consideration of Temperature Dependent Properties and Varying Heat Transfer Coefficients

open access: yesScience and Technology of Nuclear Installations, 2013
Thermal stress failure caused by alternating operational loads is the one of important damage mechanisms in the nuclear power plants. To evaluate the thermal stress responses, the Green’s function approach has been generally used. In this paper, a method
HengLiang Zhang   +6 more
doaj   +1 more source

Experimental and theoretical study on the creep behavior of GFRP pultruded beams [PDF]

open access: yes, 2013
Fiber Reinforced Polymer (FRP) composites are widely used in the aerospace, naval, and automotive industries. More recently, such materials have also found several applications in civil engineering, e.g. for bridges, small houses, and gridshells.
LONI, SIMONE
core  

A Soft‐Soft Contact Triboelectric Nanogenerator with a Ternary Four‐Phase Structure for Self‐Powered High‐Efficiency Dust Removal on Mars

open access: yesAdvanced Science, EarlyView.
The frequent dust storms and charged dust particles on Mars pose significant challenges to the power generation efficiency and service life of solar panels during exploration missions. This paper proposes a novel wind‐driven ternary four‐phase soft‐soft contact triboelectric nanogenerator (FPS‐TENG) for dust removal.
Fei Yang   +6 more
wiley   +1 more source

Time-dependent quantum many-body theory of identical bosons in a double well: Early time ballistic interferences of fragmented and number entangled states

open access: yes, 2007
A time-dependent multiconfigurational self-consistent field theory is presented to describe the many-body dynamics of a gas of identical bosonic atoms confined to an external trapping potential at zero temperature from first principles.
A. Szabo   +19 more
core   +1 more source

Effect of Inhomogeneous Temperature in Chip‐Scale Infrared Thermal Sources: A Revisited Blackbody Radiation Formula with Experimental Validation

open access: yesAdvanced Electronic Materials, EarlyView.
Revisited Black‐body radiation formula accounting for nonuniform temperature is proposed for calibration of planar thermal light sources. Calibration of optical power is based on measurement of the highest and lowest temperatures. Abstract Miniature and low‐cost light sources are highly desirable for numerous optical microsystems.
Shady R. Labib   +5 more
wiley   +1 more source

Stable Mg2+ Dication Weakly Stabilized/Coordinated in Solution: Synthesis, Structure, Reactivity, and Use in Catalysis

open access: yesAngewandte Chemie, EarlyView.
Stable Mg2+ dication stabilized only by weakly coordinating carborates was first prepared and structurally characterized as a soluble salt in organic solvents. Combined experimental and theoretical data provided valuable insights into its behavior/reactivity in solution.
Xuejuan Xu   +7 more
wiley   +2 more sources

Time-temperature Superposition Principle for Evaluating Impact Strength of Polycarbonate [PDF]

open access: yes, 2016
In this study, high-speed tensile testing for notched specimen is conducted to investigate the impact property of Polydimethylsiloxane copolymerized Polycarbonate (PDMS-PC) compared with Polycarbonate (PC).
赤木 大地, 野田 尚昭
core   +1 more source

ULF Multi‐Key Tunable Magnetoelectric Antenna Array with Enhanced Communication Data Rate

open access: yesAdvanced Electronic Materials, EarlyView.
This work presents a reconfigurable magnetoelectric antenna with a dual‐asymmetric cantilever structure. By adjusting its fixed boundary conditions, the antenna's resonant frequency is tunable over a 500 Hz range within the ultra‐low‐frequency (ULF) band.
Qianshi Zhang   +7 more
wiley   +1 more source

Detailed definition of temperature for nonequilibrium thermodynamics: Essential for information and quantum thermodynamics

open access: yesAIP Advances
The detailed definition of temperature has been the fundamental subject for the nonequilibrium thermodynamic theory essentially for information and quantum thermodynamic theories.
Hiroshi Kobayashi
doaj   +1 more source

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