Articles with "high gradient" as a keyword



Magnetic particle capture in high‐gradient magnetic separation: A theoretical and experimental study

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Published in 2025 at "AIChE Journal"

DOI: 10.1002/aic.18733

Abstract: High‐gradient magnetic separation (HGMS) has traditionally been used in mineral processing, with many effective models developed for typically employed rod‐wire shaped matrices. However, its potential in bioprocessing, especially for high‐value products, introduces new demands on… read more here.

Keywords: high gradient; magnetic particle; gradient magnetic; particle ... See more keywords

Recovery of Manganese Ore Tailings by High-Gradient Magnetic Separation and Hydrometallurgical Method

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Published in 2017 at "JOM"

DOI: 10.1007/s11837-017-2521-5

Abstract: Abstract With the depletion of high-grade manganese ores, Mn ore tailings are considered valuable secondary resources. In this study, a process combining high-gradient magnetic separation (HGMS) with hydrometallurgical methods is proposed to recycle fine-grained Mn… read more here.

Keywords: recovery; ore tailings; magnetic separation; gradient magnetic ... See more keywords

Development of indices of biotic integrity for high-gradient wadeable rivers and headwater streams in New Jersey

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Published in 2018 at "Ecological Indicators"

DOI: 10.1016/j.ecolind.2018.03.027

Abstract: Abstract The New Jersey Bureau of Freshwater and Biological Monitoring (BFBM) has been conducting Fish Index of Biotic Integrity (FIBI) monitoring on rivers and streams (with drainage area >12.95 km2) in the Northern part of the… read more here.

Keywords: biotic integrity; new jersey; headwater streams; streams new ... See more keywords

Improving wet belt high gradient magnetic separation performance by magnetic length optimization

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Published in 2018 at "Separation Science and Technology"

DOI: 10.1080/01496395.2017.1397024

Abstract: ABSTRACT Extensive laboratory and commercial test works have been carried out on wet belt high gradient permanent magnetic separation (WBHGMS) and these works demonstrated that it is effective in purification of non-metallic ores such as… read more here.

Keywords: length; separation performance; magnet length; separation ... See more keywords

Experimental studies of a high-gradient X-band welded hard-copper split accelerating structure

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Published in 2021 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/ac4632

Abstract: Recent research on high-gradient radio frequency (RF) accelerating structures indicates that the use of hard copper alloys provides improvement in high gradient performance over annealed copper. Such structures are made by bonding individually manufactured parts.… read more here.

Keywords: high gradient; gradient; split; accelerating structure ... See more keywords
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Materials and technological processes for High-Gradient accelerating structures: new results from mechanical tests of an innovative braze-free cavity.

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Published in 2020 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/15/01/p01029

Abstract: Pure oxygen-free high-conductivity copper is a widely used material for manufacturing accelerating cavities working at room temperature. Several studies attempted to explain limitations associated with the maximum allowed field gradients and the behaviour of vacuum… read more here.

Keywords: accelerating structures; materials technological; copper; cavity ... See more keywords

High gradient experiments with X -band cryogenic copper accelerating cavities

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Published in 2018 at "Physical Review Accelerators and Beams"

DOI: 10.1103/physrevaccelbeams.21.102002

Abstract: Vacuum radio-frequency (rf) breakdown is one of the major factors that limit operating accelerating gradients in rf particle accelerators. The occurrence of rf breakdowns was shown to be probabilistic, and can be characterized by a… read more here.

Keywords: breakdown rate; copper; accelerating gradients; rate ... See more keywords

High-gradient rf tests of welded X -band accelerating cavities

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Published in 2021 at "Physical Review Accelerators and Beams"

DOI: 10.1103/physrevaccelbeams.24.081002

Abstract: Linacs for high-energy physics, as well as for industry and medicine, require accelerating structures which are compact, robust, and cost-effective. Small foot-print linacs require high-accelerating gradients. Currently, stable-operating gradients, exceeding $100\text{ }\text{ }\mathrm{MV}/\mathrm{m}$, have been… read more here.

Keywords: accelerating structures; text mathrm; band; mathrm ... See more keywords

Cell Membrane Pore Formation and Change in Ion Channel Activity in High-Gradient Magnetic Fields

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Published in 2017 at "IEEE Magnetics Letters"

DOI: 10.1109/lmag.2017.2732361

Abstract: We examine membrane pores and the channel stability of cells exposed to high-gradient magnetic fields (HGMFs). As an HGMF generates stress and deformation in the cell membrane through magnetic gradient forces, stretch-activated and voltage-gated ion… read more here.

Keywords: high gradient; magnetic fields; ion; cell membrane ... See more keywords

Ferromagnetic Microwire Systems as a High-Gradient Magnetic Field Source for Magnetophoresis

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Published in 2020 at "IEEE Magnetics Letters"

DOI: 10.1109/lmag.2020.2974150

Abstract: The use of amorphous ferromagnetic microwires has potential for applications in biomedicine and biophysics. Microwire arrays create magnetic fields that are characterized by strong spatial gradients. A system of ferromagnetic microwires with magnetizations across the… read more here.

Keywords: high gradient; microwire systems; magnetic field; systems high ... See more keywords

Hydroecology of Marshallia pulchra, a Riverscour Endemic Forb of High-Gradient Rivers in the Eastern United States

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Published in 2024 at "Natural Areas Journal"

DOI: 10.3375/2162-4399-44.2.76

Abstract: ABSTRACT Marshallia pulchra is a globally rare forb endemic to riverscour ecosystems within high-gradient rivers in the Appalachian Plateau of eastern North America. Given the high conservation priority and limited ecological understanding of M. pulchra,… read more here.

Keywords: hydroecology marshallia; marshallia pulchra; gradient rivers; high gradient ... See more keywords