Abstract: A viscosity index improver comprising a copolymer having a unit (a) derived from a maleimide monomer and a unit (b) derived from a macromonomer, wherein viscosity measured by the following method is 8000 mPa·s or less. Viscosity measurement method: A solution composed of 78 mass % of a Group III base oil (viscosity index: 122, kinematic viscosity at 40° C.: 19.6 mm2/s) on the American Petroleum Institute (API) classification and 22 mass % of the copolymer is measured with a viscometer (TVB-10 manufactured by Toki Sangyo Co., Ltd., rotor: SPINDLE No. M3, rotation speed: 6 rpm) at 25° C.

Abstract: A viscosity index improver comprising a polymer which has a high viscosity index and good shear stability and which exhibits sufficient solubility in a lubricating base oil, a process for producing the same, and a lubricating oil composition containing the viscosity index improver are provided, wherein the viscosity index improver comprising a polymer satisfying the following (1) to (4): (1) weight-average molecular weight (Mw) of 200,000 or more and 600,000 or less; (2) number-average molecular weight (Mn) of 90,000 or more; (3) molecular weight distribution (Mw/Mn) of 4.0 or less; and (4) branching degree of 1.0 or more.

Abstract: A viscosity index improver comprising a copolymer having a unit (a) derived from a maleimide monomer and a unit (b) derived from a macromonomer, wherein viscosity measured by the following method is 8000 mPa·s or less. Viscosity measurement method: A solution composed of 78 mass % of a Group III base oil (viscosity index: 122, kinematic viscosity at 40° C.: 19.6 mm2/s) on the American Petroleum Institute (API) classification and 22 mass % of the copolymer is measured with a viscometer (TVB-10 manufactured by Toki Sangyo Co., Ltd., rotor: SPINDLE No. M3, rotation speed: 6 rpm) at 25° C.

Abstract: A cosmetic product for hair bleaching or hair dyeing, which comprises a first part containing an alkali agent, a second part containing hydrogen peroxide, and a non-aerosol foamer container for discharging a mixed solution containing the first part and the second part in the form of foam, wherein the cosmetic product for hair bleaching or hair dyeing contains the following component (A) in the second part: (A) saturated aliphatic alcohols containing the following components (A1) and (A2): R1—OH??(A1) R2—OH??(A2) wherein R1 represents a C12-18 linear chain alkyl group, and R2 represents a C19-24 linear chain alkyl group.

Abstract: A makeup supporting device includes: an image acquisition unit that acquires a facial image that is an image obtained by photographing a face; a threshold determining unit that determines a pixel value threshold based on a partial image of the facial image, the partial image being an image in a region that does not include an outer end of an eyebrow but includes an inner end of the eyebrow and a periphery of the inner end of the eyebrow; an eyebrow region extracting unit that extracts an eyebrow region from the facial image using the threshold; an eyebrow eraser that performs eyebrow erasing processing on the facial image, the eyebrow erasing processing being processing of filling in the eyebrow region using preferentially a color on an inner end side of the eyebrow from among colors in regions around the eyebrow region; and a display unit that displays the facial image after the eyebrow erasing processing is performed.

Abstract: A viscosity index improver comprising a polymer which has a high viscosity index and good shear stability and which exhibits sufficient solubility in a lubricating base oil, a process for producing the same, and a lubricating oil composition containing the viscosity index improver are provided, wherein the viscosity index improver comprising a polymer satisfying the following (1) to (4): (1) weight-average molecular weight (Mw) of 200,000 or more and 600,000 or less; (2) number-average molecular weight (Mn) of 90,000 or more; (3) molecular weight distribution (Mw/Mn) of 4.0 or less; and (4) branching degree of 1.0 or more.

Abstract: A cosmetic product for hair bleaching or hair dyeing, which comprises a first part containing an alkali agent, a second part containing hydrogen peroxide, and a non-aerosol foamer container for discharging a mixed solution containing the first part and the second part in the form of foam, wherein the cosmetic product for hair bleaching or hair dyeing contains the following component (A) in the second part: (A) saturated aliphatic alcohols containing the following components (A1) and (A2): R1—OH??(A1) R2—OH??(A2) wherein R1 represents a C12-18 linear chain alkyl group, and R2 represents a C19-24 linear chain alkyl group.

Abstract: A makeup supporting device includes: an image acquisition unit that acquires a facial image that is an image obtained by photographing a face; a threshold determining unit that determines a pixel value threshold based on a partial image of the facial image, the partial image being an image in a region that does not include an outer end of an eyebrow but includes an inner end of the eyebrow and a periphery of the inner end of the eyebrow; an eyebrow region extracting unit that extracts an eyebrow region from the facial image using the threshold; an eyebrow eraser that performs eyebrow erasing processing on the facial image, the eyebrow erasing processing being processing of filling in the eyebrow region using preferentially a color on an inner end side of the eyebrow from among colors in regions around the eyebrow region; and a display unit that displays the facial image after the eyebrow erasing processing is performed.

Abstract: It is a theme of the present invention to provide a diversity receiving device and a receiving scheme switching method, capable of attaining a power saving by executing a switching between a diversity reception and a single reception with high accuracy.

Abstract: There is provided a vinylpyrrolidone-based copolymer having as essential components N-vinylpyrrolidone and hydroxyl group-containing (meth)acrylate, which gives a favorable crosslinked coating film, and a method for production by which the copolymer is easily obtained. A vinylpyrrolidone-based copolymer of the present invention contains a constitutional unit derived from N-vinylpyrrolidone and a constitutional unit derived from hydroxyl group-containing (meth)acrylate at a specific ratio, in which a K value according to Fikentscher is 12 or more, water insoluble matter is 0.5% by mass (on the basis of solid content) or less, and each content of iron, nickel, chromium, sodium and calcium is 500 ppb (on the basis of mass: the same hereinafter) or less, or electrical conductivity of a 10% by mass-aqueous solution of the vinylpyrrolidone-based copolymer is 35 ?S/cm or less.

Abstract: An object of the invention is to provide a diversity receiver and a reception system switching method capable of controlling diversity reception start and stop according to the switch condition responsive to person's liking and the use environment. An input section (109) allows the user to select and specify any of a diversity reception mode using two reception channels at all times, a single reception mode using a single reception channel at all times, or an automatic control reception mode for switching between the diversity reception and the single reception in response to the reception state of each mode, and a control section (107) determines a switching determination condition used in the automatic control reception mode according to mode selection information of other two modes.

Abstract: It is a theme of the present invention to provide a diversity receiving device and a receiving scheme switching method, capable of attaining a power saving by executing a switching between a diversity reception and a single reception with high accuracy.

Abstract: To provide a vinylpyrrolidone/vinyl acetate copolymer which is extremely reduced in thermal yellowing and is usable even at high temperatures and which can dissolve in water to give a transparent solution. The vinylpyrrolidone/vinyl acetate copolymer of the present invention has a residual vinylpyrrolidone content of 100 ppm or less relative to a solid content of the copolymer. A 5% by weight aqueous solution of the copolymer has an NTU value of 4.0 or less. A 50% aqueous solution of the copolymer has a Hazen color number (APHA) according to JIS-K3331 of 350 or less, the Hazen color number being measured by the following accelerated test.

Abstract: There is provided a vinylpyrrolidone-based copolymer having as essential components N-vinylpyrrolidone and hydroxyl group-containing (meth)acrylate, which gives a favorable crosslinked coating film, and a method for production by which the copolymer is easily obtained. A vinylpyrrolidone-based copolymer of the present invention contains a constitutional unit derived from N-vinylpyrrolidone and a constitutional unit derived from hydroxyl group-containing (meth)acrylate at a specific ratio, in which a K value according to Fikentscher is 12 or more, water insoluble matter is 0.5% by mass (on the basis of solid content) or less, and each content of iron, nickel, chromium, sodium and calcium is 500 ppb (on the basis of mass: the same hereinafter) or less, or electrical conductivity of a 10% by mass-aqueous solution of the vinylpyrrolidone-based copolymer is 35 ?S/cm or less.