Examples of 'magnetite particles' in a sentence
Meaning of "magnetite particles"
Magnetite particles are microscopic particles composed of magnetite, a type of iron oxide that is naturally magnetic and commonly found in rocks, soils, and certain organisms
How to use "magnetite particles" in a sentence
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magnetite particles
Preferably the ferromagnetic particles are magnetite particles.
Magnetite particles and production process of the same.
Process for producing magnetite particles.
Magnetite particles and process for production thereof.
The mechanism is unknown but may involve magnetite particles.
Magnetite particles and process for producing the same.
No silicon component was present on the surface of these magnetite particles.
The developer also contains magnetite particles and carbon black.
Another challenge is to provide a process for producing the magnetite particles.
More and larger aggregates of magnetite particles were formed in each case.
The invention also concerns a process for producing such magnetite particles.
The talcous particles and the magnetite particles obtained are dried together.
The magnetite particles of the present invention have silicon on the surface of the powder.
Field of the Invention The present invention relates to magnetite particles.
Each of the magnetite particles according to the present invention has an octahedron shape.
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Questioning the link between pollution by magnetite particles and….
This invention relates to magnetite particles and to a process for producing the same.
This composite is obtained by co-precipitation of KNiFC in an aqueous medium on magnetite particles.
A method for producing magnetite particles comprising the steps of,.
With this background, various improvements have been achieved in magnetite particles.
The magnetite particles of the present invention have the following features,.
In all of these above-mentioned publications, spherical magnetite particles are used.
Magnetite particles then form by precipitation, and the suspension assumes a black coloration.
In the preparation, one may use magnetite particles which can be ferromagnetic or superparamagnetic.
A method as claimed in claim 1 wherein the crystalline metallic ore particles are magnetite particles.
The magnetite particles of the present invention are characterised by the features of present claim 1.
After that, according to the present invention, this magnetite particles are heat treated.
A process for producing magnetite particles according to claims 1 and 2 comprising the steps of.
Thus, silicic acid anhydride is present as independent fine particles in the resulting magnetite particles.
The magnetite particles are then partially reduced, removing some of the oxygen in the process.
Moreover, the disadvantage of low electrical resistance common to conventional magnetite particles remains unremedied.
A process for producing the magnetite particles of any preceding claim, comprising the steps of,.
Furthermore, the most superficial silicon in the silicon coating of the magnetite particles was removed.
Next, a production process of the magnetite particles according to the present invention will be described.
Magnetite particles containing a silicon component, having,.
On the other hand, coercive forces of most silicon-free magnetite particles were slightly increased.
Furthermore, the invented magnetite particles were preferred for use in a magnetic toner for electrostatic copying.
The core-shell structure was formed a non-homogeneous manner, ie not all the magnetite particles were coated.
The obtained magnetite particles were evaluated by the same methods as in Example 1.
Further, the B-H hysteresis loop of heat treated magnetite particles tended to be slightly curved.
The resulting magnetite particles are placed in a cylindrical furnace, and N2 gas is flowed therethrough.
An analysis of roadside air in Lancaster found 200m magnetite particles per cubic metre.
Magnetite particles according to claim 1 or 2, wherein each of said particles has a pseudohexahedral shape.
A study of a roadside air in Lancaster showed 200 million magnetite particles per cubic metre.
The magnetite particles of the invention preferably have an electrical resistance of 1x104 Ωcm or more.
Optical device according to claim 9, characterized in that the ferromagnetic particles are magnetite particles ( Fe3 O4 ).
Further, the magnetite particles of the Comparative Examples 1, 2 and 5 were inferior in fluidity, too.
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