摘要:
Disclosed are hydrophilic films provided with a substrate film and microparticles that are present at least on the surface of the substrate film. The microparticles comprise at least one type selected from tungsten oxide microparticles and tungsten oxide composite microparticles. The mean particle size of the microparticles is in a range of 1-200 nm and the aspect ratio of the microparticles is in a range of 1-3.5
摘要:
An aqueous dispersion of an embodiment includes visible-light responsive photocatalytic composite microparticles containing tungsten oxide and zirconium oxide, and an aqueous dispersion medium in which the photocatalytic composite microparticles are dispersed. In the photocatalytic composite microparticles, a ratio of a mass of the zirconium oxide to a mass of the tungsten oxide is in a range of from 0.05% to 200%, and a D50 particle size in particle size distribution is in a range of from 20 nm to 10 µm. The aqueous dispersion has pH in a range of from 1 to 9.
摘要:
A snubber circuit has a saturable inductor formed out of amorphous alloy and others connected in series to the driver of a switching element. A switching power-supply is either of a flyback self-excited type or of a separately excited type, and is provided with a saturable inductor connected in series between a switching element connected in series to the primary coil of a transformer and a driving circuit which operates this switching element. This saturable inductor enhances the efficiency and suppresses noises, and is used for the above-mentioned snubber circuit and switching power-supply. The exciting current Iex is less than 3(A), and the magnetic flux Ζ (Wb/m2) is within 2 to 20 % of the product of the operation cycle T(sec) by the circuit voltage E(V).