Colors vary from person to person. Generally speaking, when studying and working, the state of mind must be calm and stable, and the darker writing desk and bookcase can help people enter the state. However, in this era of pursuing individual style, you may wish to choose alternative colors, which is more helpful to stimulate imagination and creativity. At the same time, the problem of harmonious matching of the overall color and other furniture must also be considered.
Both writing desks and bookcases can be customized. Not only bookcases can be customized, but also writing desks can be customized. If the desk for two people to work and study at home at the same time is difficult to find on the market, you may wish to make a strip-shaped desk about 50 cm wide and more than 2 meters long along the wall of the window to meet the needs of two people.
The study needs some green embellishments to put a pot or two of green plants on the desk or shelf. It is necessary to look at them at intervals, which is undoubtedly a good way to adjust the fatigued optic nerve.
Chairs should be swivel chairs or wicker chairs as the first choice when sitting in front of a desk to study and work, often find some related books from the bookcase, swivel chairs with wheels and portable wicker chairs can bring you a lot of convenience. The swivel chair designed according to ergonomics effectively supports the back curve and should be the first choice.
Sintered Ferrite Magnet, hard ferrite, hard ferrite magnet is also called Ceramic Magnets.
Sintered ferrite magnets are available in isotropic magnet and anisotropic magnets. The magnetic properties of isotropic ferrite are low. Since they have nearly the same magnetic properties in all directions, so isotropic ferrite magnets can be magnetized in many different directions or in multi-poles. Anisotropic ferrite magnets have better magnetic properties compare with isotropic ferrite magnets. However this type of magnets can only be magnetized along a preferred direction.
Permanent ferrite magnets are made of hard ferrites, which have a high coercivity and high remanence after magnetization. Iron oxide and barium or strontium carbonate are used in manufacturing of hard ferrite magnets. The high coercivity means the materials are very resistant to becoming demagnetized, an essential characteristic for a permanent magnet. They also have high magnetic permeability. These so-called ceramic magnets are cheap, and are widely used in household products such as refrigerator magnets. The maximum magnetic field B is about 0.35 tesla and the magnetic field strength H is about 30 to 160 kiloampere turns per meter (400 to 2000 oersteds). The density of ferrite magnets is about 5 g/cm3.
The most common hard ferrites are:
Strontium ferrite, SrFe12O19 (SrO·6Fe2O3), used in small electric motors, micro-wave devices, recording media, magneto-optic media, telecommunication and electronic industry.
Barium ferrite, BaFe12O19 (BaO·6Fe2O3), a common material for permanent magnet applications. Barium ferrites are robust ceramics that are generally stable to moisture and corrosion-resistant. They are used in e.g. loudspeaker magnets and as a medium for magnetic recording, e.g. on magnetic stripe cards.
Why choose Ferrite Magnet?
1. Low cost and low price.
The raw material cost is very cheap and manufacturing process is simple. So the price if it is very low.
2. Nice temperature stability
Ferrite magnets can be used in the working temperature from -40℃ to 200℃.
3. Well prevent corrosion
The raw material of sintered ferrite magnet is oxide, so ferrite magnets will not be rusted under severe environment nor affected by many chemicals.
Ferrite Magnet
Ferrite Magnet,Block Ferrite Magnet,Round Ferrite Magnet,Hard Sintered Disc Ferrite Magnet
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