Results 21 to 30 of about 2,617,056 (295)

Improving anti-infrared radiation and heat insulation by potassium hexatitanate whisker-doped Al2O3–SiO2 composite xerogel [PDF]

open access: yesRoyal Society Open Science, 2018
Taking potassium hexatitanate whisker (PTW) modified by silane coupling agent KH550, aluminium nitrate inorganic salt and tetraethyl orthosilicate and deionized water, respectively, as infrared sunscreen, aluminium source and raw materials forming the ...
Liang Furong   +4 more
doaj   +1 more source

Resonantly enhanced thermal emitters based on nanophotonic structures [PDF]

open access: yes, 2015
The manipulation of photons, especially the control of spontaneous emission, has become a core area of photonics research in the 21st century. One of the key challenges is the control of the broadband emission profile of thermal emitters.
O'Regan, Bryan J.
core   +2 more sources

Identification of marine oil spill pollution using hyperspectral combined with thermal infrared remote sensing

open access: yesFrontiers in Marine Science, 2023
The types of marine oil spill pollution are closely related to source tracing and pollution disposal, which is an important basis for oil spill pollution punishment.
Junfang Yang   +11 more
doaj   +1 more source

Dual-band high quality-factor perfect absorber based on uniaxial/biaxial anisotropic van der Waals polar crystals

open access: yesResults in Physics
Phonon polaritons (PhPs) in two-dimensional van der Waals crystals, such as hexagonal boron nitride (hBN) and α-phase molybdenum trioxide (α-MoO3), exhibit remarkable spatial confinement and extremely low optical losses, offering possibilities for the ...
Didi Song   +4 more
doaj   +1 more source

Research progress of infrared thermal-wave imaging technique and its application in aerospace field

open access: yesJournal of Aeronautical Materials
Infrared thermal wave imaging detection technology has the advantages such as high efficiency,large detection area,and non-contact operation,making it widely used in the field of damage detection and evaluation of new materials in aviation and aerospace.
FAN Limei   +11 more
doaj   +1 more source

Target Detection over the Diurnal Cycle Using a Multispectral Infrared Sensor

open access: yesSensors, 2016
When detecting a target over the diurnal cycle, a conventional infrared thermal sensor might lose the target due to the thermal crossover, which could happen at any time throughout the day when the infrared image contrast between target and background in
Huijie Zhao   +4 more
doaj   +1 more source

Electrical and Thermal and Self-Healing Properties of Graphene-Thermopolyurethane Flexible Conductive Films

open access: yesNanomaterials, 2020
We fabricated graphene-thermopolyurethane (G-TPU) flexible conductive film by a blending method and systematically investigated the electrical, thermal and self-healing properties of the G-TPU flexible conductive film by infrared light and electricity ...
Ke Wang   +7 more
doaj   +1 more source

Anomaly trend analysis of satellite thermal infrared and TEC before two strong earthquakes in Turkey on February 6, 2023

open access: yes地震科学进展, 2023
The two successive earthquakes of magnitude 7.8 in Turkey on February 6, 2023, were a remarkable tectonic movement and a particularly typical scientific experiment scene.
Haocong Tang   +3 more
doaj   +1 more source

Calibration of uncooled thermal infrared cameras [PDF]

open access: yesJournal of Sensors and Sensor Systems, 2015
The calibration of uncooled thermal infrared (IR) cameras to absolute temperature measurement is a time-consuming, complicated process that significantly influences the cost of an IR camera.
H. Budzier, G. Gerlach
doaj   +1 more source

Spatial Scale Effects of the Relationship between Fractional Vegetation Coverage and Land Surface Temperature in Horqin Sandy Land, North China

open access: yesSensors, 2021
Sandy range land refers to a major component of grassland area types in the semi-arid area of northern China. Monitoring of vegetation and land surface temperature (LST) using remote sensing technology can help determine the degree of desertification in ...
Rongrong Qiao   +3 more
doaj   +1 more source

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