Articles with "direct measurements" as a keyword



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Advances in direct measurements of cosmic rays

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Published in 2021 at "Journal of the Korean Physical Society"

DOI: 10.1007/s40042-021-00081-7

Abstract: In celebration of the 25th anniversary of the Korean Physical Society Astrophysics Division, reflecting on the progress in cosmic-ray astrophysics seems worthwhile. Significant advances have been made in cosmic-ray measurements in recent years, particularly with… read more here.

Keywords: astrophysics; advances direct; cosmic rays; measurements cosmic ... See more keywords
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Direct measurements of the reactivity of singlet oxygen to some persistent herbicides in aqueous solutions.

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Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.125872

Abstract: Reactivity of the singlet oxygen (SO), which is assumed to be one of the important oxidizers in natural waters, towards to a set of persistent herbicides, was measured for the first time using time resolved… read more here.

Keywords: singlet oxygen; reactivity singlet; persistent herbicides; direct measurements ... See more keywords
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Direct Measurements of Energy Levels and Correlation with Thermal Quenching Behavior in Nitride Phosphors

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Published in 2017 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.7b02974

Abstract: Highly efficient narrow-band red emitting (RE) phosphors are the most desired and requested materials for developing illumination grade phosphor-converted light emitting diodes (pcLEDs). This study presents direct measurements of RE energy levels, critical to the… read more here.

Keywords: band; measurements energy; eu2; direct measurements ... See more keywords

Direct Measurements of Contact Angles on Cyclopentane Hydrates

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Published in 2018 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.8b00803

Abstract: When clathrate hydrate particles come into contact, they tend to agglomerate together, resulting from capillary liquid bridges that form between the particles. The strength of these capillary bridg... read more here.

Keywords: cyclopentane hydrates; measurements contact; angles cyclopentane; direct measurements ... See more keywords
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Direct measurements of steady heat transfer maintained by oscillating pipe flow in thermoacoustic system

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Published in 2019 at "Journal of Applied Physics"

DOI: 10.1063/1.5064420

Abstract: This study reports direct measurements of steady heat transfer in a heat exchanger pipe of a thermoacoustic heat pump driven by an oscillating helium gas flow. From simultaneous measurements of gas temperature, pressure, and velocity… read more here.

Keywords: measurements steady; steady heat; heat transfer; heat ... See more keywords
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Characterizing Canopy Openness in Open Forests: Spherical Densiometer and Canopy Photography Are Equivalent but Less Sensitive than Direct Measurements of Solar Radiation

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Published in 2020 at "Journal of Forestry"

DOI: 10.1093/jofore/fvaa052

Abstract: In forest ecosystems, canopy openness affects understory light availability, plant growth, and tree species recruitment, thus shaping future forest composition, structure, and functional diversity. Foresters must correctly and quickly measure canopy openness to meet their… read more here.

Keywords: measurements solar; canopy openness; solar radiation; direct measurements ... See more keywords
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Direct Measurements of Surface Strain-Mediated Lateral Interactions between Adsorbates in Colloidal Heteroepitaxy.

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Published in 2022 at "Physical review letters"

DOI: 10.1103/physrevlett.129.088003

Abstract: Surface strain can alter the dynamics of adsorbates, and often, the adsorbates themselves induce and interact via their surface strain fields. In epitaxy, such strain-mediated effects get further compounded when a misfit strain exists due… read more here.

Keywords: direct measurements; strain mediated; surface strain; measurements surface ... See more keywords
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Four direct measurements of the fine-structure constant 13 billion years ago

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Published in 2020 at "Science Advances"

DOI: 10.1126/sciadv.aay9672

Abstract: Fine-structure constant measurements 13 Ga ago, plus lower redshift data, test space-time variation of a fundamental constant. Observations of the redshift z = 7.085 quasar J1120+0641 are used to search for variations of the fine… read more here.

Keywords: structure constant; billion years; fine structure; four direct ... See more keywords

Direct Measurements of Electroviscous Phenomena in Nafion Membranes

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Published in 2020 at "Membranes"

DOI: 10.3390/membranes10110304

Abstract: Investigation of electroviscous effects is of interest to technologies that exploit transport of ions through ion exchange membranes, charged capillaries, and porous media. When ions move through such media due to a hydrostatic pressure difference,… read more here.

Keywords: nafion; nafion membranes; measurements electroviscous; electroviscous phenomena ... See more keywords