The present invention relates to a nanocrystalline photocatalyst active upon visible light irradiation, with a high degree of dispersion, stable in the form of a transparent colloidal solution in an aqueous environment, containing nanocrystals of titanium dioxide (TiO2) surface-modified via direct c.....
[Detail]
The hybrid material is composed of calcium carbonate microparticles with the polyelectrolyte additive and silver nanoparticles (nAg) embedded in its structure. The process of making of the hybrid material comprises of ultrasound-assisted coprecipitation of calcium carbonate in aqueous medium in the .....
[Detail]
From the original chipping bit which is a solid metal, a piece of carbide will be placed on tip of it as disclosed, which will be welded by copper and/or the likes by placing a piece/s of carbide using cupper weld on tip of it to protect the bit itself from blunting. It can be use efficiently in chi.....
[Detail]
Magnetic ink system, without a strong spring
[Detail]
Rotary piston machine has a rotating piston attached to a motor shaft, with chambers in a cylindrical housing, equipped with a cylindrical bore in which the rotary piston works, the inside surface of the bore cylinder being divided equidistant from some drawers that slide in the guiding windows of t.....
[Detail]
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