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Magnetic matrices used in high gradient magnetic …

High magnetic field gradient is a crucial factor in HGMS process which can be described as a separation process or a deep-bed filtration process in which a magnetic matrix is magnetized and used to bundle the external magnetic field in its vicinity to …

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Development and Application Characteristics of High …

High gradient magnetic separator is a new type of high intensity magnetic separator, which has strong ability to capture fine and weak magnetic particles, …

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Cells in the Non-Uniform Magnetic World: How Cells Respond to High

On the basis of experimental facts and theoretical modeling we reveal timescales of cellular responses to high-gradient magnetic fields and suggest an explicit dependence of the cell response time on the magnitude of the magnetic field gradient. Keywords: cell differentiation; cell fate; cell signaling; intracellular forces; magnetic fields ...

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Separating efficiency of ferromagnetic particles and

High gradient magnetic separation technology is a green production technology that has an unparalleled superiority in separating fine and weak magnetic particles. As the characteristics of poor, fine, and heterogeneous in weakly magnetic mineral resources (hematite, wolframite, rhodochrosite, etc.), the importance of …

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ANDRITZ high-gradient magnetic separator

The ANDRITZ high-gradient magnetic separator allows the extraction of one protein fraction directly from the non-purified complex feedstock. With HGMS technology, the efforts of downstream processing can be decreased drastically while the yield is increased. Various studies have been conducted in high-gradient magnetic separation (HGMS ...

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How to generate a very steep magnetic field gradient?

1. Sounds like a cool project! Historically, a strong gradient of the type you describe was required for the Stern-Gerlach experiment, for very similar reasons. They used a permanent magnet with one flat pole …

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Magnetic force on a magnetic particle within a high gradient magnetic

The words, "High Gradient", means that magnitude of magnetic flux density varies so sharply in a space where magnetic separation happens. Magnetic force acting on a weakly magnetic particle flowing in a fluid is given by Eq. (1), where B is magnitude of magnetic flux density at the particle position [1]. (1) F → m = 1 μ 0 ( κ p - κ f ...

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Development of a high-gradient magnetic separator for enhancing

High-gradient magnetic separation (HGMS) has become the most common means of selectively enriching fine weakly magnetic minerals and purifying non-metal ores. However, with the increasing challenge of the global mining industry to confront declining grades and low-grade orebodies, higher selectivity is required to keep HGMS …

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Matching relation between matrix aspect ratio and

Longitudinal high gradient magnetic separators are the most widely applied in mineral processing. Fig. 11 showed appearance and magnetic system of longitudinal high gradient magnetic separator. A pulsating flow is applied to eliminate the blocking of materials in the vicinity of matrices. As fluid drag force is proportional to the first order ...

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Magnetic force on a magnetic particle within a high gradient magnetic

The words, "High Gradient", means that magnitude of magnetic flux density varies so sharply in a space where magnetic separation happens. Magnetic force acting on a weakly magnetic particle flowing in a fluid is given by Eq. (1), where B is magnitude of magnetic flux density at the particle position [1]. F → m = 1 μ 0 ( κ p - κ f) V p ...

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Application of magnetic extractant for the removal of hexavalent

The porosity in high gradient magnetic separator was determined by accumulation radius. This mathematical model established the theoretical basis for experimental study. 2. The feasibility of this method was tested and verified by extraction experiments. The most perfect design of ferromagnetic filler in magnetic separation …

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A rotating coil measurement system based on CMM for high-gradient …

A high precision ceramic skeleton with bucked coil is made as a measurement sensor. The integrated field gradient, harmonics, magnetic center offset and excitation curve of a high-gradient small-aperture quadrupole prototype magnet are measured. The rotating coil is aligned to the magnet mechanical center within 10 μm.

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Water purification using magnetic assistance: A review

Open gradient magnetic separation (OGMS) is a modified version of high-gradient magnetic separation that is suitable for feebly magnetic material filtration. A pre-treatment with HGMS aided in preventing clogging of OGMS owing to separation of strongly magnetic materials in the first stage and then utilising OGMS for remaining feebly …

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Recovery of Manganese Ore Tailings by High-Gradient Magnetic …

High-gradient magnetic separation (HGMS) is a powerful technique for beneficiating finely dispersed weakly magnetic minerals.16 In this study, HGMS was introduced to recycle the manganese oxide ore tailings from the Xialei deposit in China.17 A Mn-enriched concentrate was obtained after one-stage HGMS; the Mn-depleted …

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High Field Gradient

High-gradient magnetic separation (HGMS) is an established concept where a magnetic field is typically applied across an array of magnetically soft metal wires to …

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Selective Capture of Magnetic Wires to Particles in High Gradient

High gradient magnetic separation (HGMS) is an effective method for the concentration or removal of paramagnetic particles from various suspensions [], and it has been widely applied in the field of mineral processing, for recovery of fine weakly magnetic minerals and for removal of such minerals from non-metallic ores [2,3].This method is …

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Magnetic Field Gradients

PMID: 29938810 . doi. Magnetic field gradients are the forces used in quantum physics that exert a translational force on both a stationary and moving charged particles such as a diamagnetic protein within a cell …

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High gradient magnetic separation | IEEE Journals

High gradient magnetic separation (HGMS) makes possible the efficient separation of very weakly magnetic particles of micron size for which conventional magnetic separators …

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Superconducting Magnet Design for a Vertical-Ring High Gradient

High-gradient magnetic separation (HGMS) is widely used for water treatment. However, the effects of high magnetic intensities on removing magnetized flocs are unclear. In this study, separating ...

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High-Gradient Magnetic Separation of Magnetic Nanoclusters

The capture of magnetic nanoclusters in high-gradient magnetic separation (HGMS) operations, the rate-limiting step in magnetic nanoparticle-based separations and chemical processing, was studied experimentally, and a new model for HGMS capture that extends current single-wire models to column behavior was developed. Clusters >50 nm …

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Physical separation of iron ore: magnetic separation

In the magnetic separation, as the mass and magnetic susceptibility of the particle are fixed, the magnetic force can only be adjusted via the intensity or gradient of the magnetic field. Therefore, it is extremely important to create a magnetic field of high intensity and gradient for oxidized iron ores in order to achieve improved iron recovery.

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High Gradient Magnetic Separator | HGMS |

The high gradient magnetic separator (HGMS) is a strong magnetic separator for the screening of weakly magnetic minerals. It is a new type of strong magnetic separator developed on the basis of a general magnetic separator machine. It also used for wet magnetic separation of magnetite, pyrrhotite, roasting ore, ilmenite and …

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Cell sorting microbeads as novel contrast agent for magnetic

When placed in a high gradient magnetic field, the labeled cells remain trapped while unlabeled cells elute. Labeled cells can be collected by removing the magnetic field.

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High gradient magnetic cell separation with MACS

Cells stained sequentially with biotinylated antibodies, fluorochrome-conjugated avidin, and superparamagnetic biotinylated-microparticles (about 100 nm diameter) are separated on high gradient magnetic (HGM) columns. Unlabelled cells pass through the column, while labelled cells are retained. The retained cells can be easily eluted.

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Journal of Physics: Conference Series PAPER OPEN …

high gradient magnetic separators in these decades were summarized, and the future development directions of high gradient magnetic separator were presented. 1. Introduction . High gradient magnetic separator is a new type of high intensity magnetic separator developed on the basis of ordinary high intensity magnetic separator.

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High gradient magnetic cell separation with MACS

High gradient magnetic cell separation with MACS. Cytometry1990;11 (2):231-8. doi: 10.1002/cyto.990110203. 1 Institute for Genetics, University of Cologne, West Germany. A flexible, fast and simple magnetic cell sorting system for separation of large numbers of cells according to specific cell surface markers was developed and tested.

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How a High-Gradient Magnetic Field Could Affect Cell Life

When a high-gradient magnetic field is applied to a cell in medium, the magnetic gradient force acts on ions and can either assists or oppose ion movement …

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MRI with ultrahigh field strength and high-performance gradients

Research in ultrahigh magnetic field strength combined with ultrahigh and ultrafast gradient technology has provided enormous gains in sensitivity, resolution, and contrast for neuroimaging. This article provides an overview of the technical advantages and challenges of performing clinical neuroimaging studies at ultrahigh magnetic field …

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Rapid extraction of high- and low-density microplastics from soil …

In this proof-of-concept study, a novel three-stage extraction method was developed, involving high-gradient magnetic separation and removal of magnetic soil (Stage 1), magnetic tagging of MPs using surface modified iron nanoparticles (Stage 2), and high-gradient magnetic recovery of surface-modified MPs (Stage 3). The method was …

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Development of a high-gradient magnetic separator for …

High-gradient magnetic separation (HGMS) has become the most common means of selectively enriching fine weakly magnetic minerals and purifying non-metal …

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High Gradient Magnetic Separation of Nanoscale Magnetite

High Gradient Magnetic Separation (HGMS) has been studied for the separation of micron and even tenths of a micron size particles, but there is little experimental data for HGMS of nanoscale magnetite. This research looks to filter nanoscale magnetite through a HGMS and determine the capture

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100 pT/cm single-point MEMS magnetic gradiometer from a

a Resolution and range of various magnetic sensors 1, 2, 4–9, 11–19. E is Earth's gradient field, and GMN is geomagnetic gradient noise. This work, an advance of MEMS technology (purple ...

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High Gradient Magnetic Separators (HGMS)

Outstanding separation selectivity. HGMS high gradient magnetic separators are designed to recover weakly magnetic material from non-magnetic matter and can be used for many applications including the processing of iron ores, rare earths and other weakly magnetic minerals, which are not normally treatable by ordinary magnetic separators.

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Clinical validity of non-contrast-enhanced VI-RADS

Denoising deep learning reconstruction (dDLR) has recently been applied in the clinical setting following the introduction of state-of-the-art 3-T MRI scanners with maximal gradient magnetic field of 100 mT/m . These high-gradient (HG) MRI scanners can produce thinner slice images at the same bandwidth without additional scan time.

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Numerical simulation for magnetic field analysis and magnetic

High gradient magnetic separation technology is a green production technology that has an unparalleled superiority in separating fine and weak magnetic particles. As the characteristics of poor, fine, and heterogeneous in weakly magnetic mineral resources (hematite, wolframite, rhodochrosite, etc.), the importance of …

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(PDF) High-Gradient Magnetic Separation Method for Weakly Magnetic

The high-gradient magnetic separation process is a technique used in heavy industries, particularly steel mills, to extract magnetic particles from mixtures. The difficulty of separating the ...

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