Abstract: Provided are a display panel and a preparation method therefor and a display device. The display panel includes a base substrate, a first planarization layer, a first metal layer, a photosensitive element, an etching stop layer, and a light-emitting element. The photosensitive element includes a first electrode and a semiconductor layer that are electrically connected to each other, the first electrode is located in the first metal layer, and the semiconductor layer is located on one side of the etching stop layer facing away from the first metal layer. In the display region, the etching stop layer includes at least one first opening. Along a direction perpendicular to the plane where the base substrate is located, a first opening does not overlap with the first metal layer.

Abstract: The present application discloses a display panel and a display apparatus. The display panel comprises a substrate, a photosensitive element located on a side of the substrate, a first planarization layer located on a side of the photosensitive element away from the substrate, and a light-emission element located on a side of the first planarization layer away from the substrate. In the light-sensing recognition area, the light transmittance of the first planarization layer is greater than or equal to 67%. In the display panel and the display apparatus provided in embodiments of the present application, the photosensitive element is disposed inside the display panel, and the light transmittance of the first planarization layer in the light-sensing recognition area is set to be greater than or equal to 67%.

Abstract: A display panel including a plurality of pixel areas and at least a non-pixel area located between two adjacent pixel areas; a substrate; a pixel definition layer located on one side of the substrate, the pixel definition layer including a pixel definition structure located in the non-pixel area and an opening located in the pixel area; a blocking part, the blocking part being disposed on a side of the pixel definition structure away from the substrate; and a light emitting device layer, the light emitting device layer including an organic common layer, the organic common layer being located on a side of the blocking part away from the substrate, where the blocking part includes at least one protrusion, the protrusion including a first bottom surface close to the substrate, a first sidewall, and a second sidewall opposite to the first sidewall.

Abstract: A display panel and a display device are provided. The display panel includes a substrate; light-emitting devices, pad groups on a side of the substrate, and first metal elements and second metal elements at a side of the pad groups close to the substrate. Each pad group includes a first pad and a second pad, and at least one pad group corresponds to one light-emitting device. In one pad group corresponding to one same light-emitting device, along a direction perpendicular to a plane of the substrate, the first pad at least partially overlaps the first metal elements with an overlapping area of S1 and the second pad at least partially overlaps the second metal elements with an overlapping area of S2 where |S1?S2|/S1?5%, or the first pad does not overlap the first metal elements and the second pad does not overlap the second metal elements.

Abstract: The present invention relates to a bioactive glass material, an oral care composition, toothpaste, and preparation methods therefor. The bioactive glass material belongs to a Na2O—CaO—SiO2—P2O5 system, and includes, in percentage by weight: 40-60% of SiO2, 1-10% of P2O5, 18-30% of CaO, and 10-30% of Na2O; and an X-ray diffraction pattern of the bioactive glass material includes diffraction peaks at the following 2? angle values: 20.2±0.2°, 23.8±0.2°, 26.5±0.2°, 26.8±0.2°, 33.6±0.2°, 34.2±0.2°, and 48.6±0.2°.

Abstract: The present disclosure belongs to the technical field of silica. The present disclosure particularly relates to an abrasive-type silica for toothpaste with a low specific surface area and a low pore volume and a preparation method therefor. The abrasive-type silica provided by the present disclosure has a specific surface area less than 2.79 m2/g and a pore volume less than 0.4 cm3/g, has the advantages of high stability, better essence volatility, high dispersive performance, high cleanliness, good fluorine compatibility, and the like, is suitable for use in toothpaste, and complies with the requirements of European Union regulations. The preparation method for silica provided by the present disclosure has the advantages of a simple and stable process, easy condition control, low cost, and the like, and is easier for industrial production and popularization and application.

Abstract: A silica particle and a preparation method thereof, and an oral cleaning and care composition are disclosed. The silica particle provided by the present disclosure has (a particle size D90—a particle size D10)/a particle size D50=1.25-2.5, a particle size D10<1 ?m, a particle size D30=1.5 ?m-2 ?m, a particle size D50=3 ?m-4 ?m, a particle size D75<5.5 ?m, a particle size D90=6 ?m-8.5 ?m, a particle size D97<9 ?m, and an apparent density of >0.3 g/mL. The silica particle provided by the present disclosure has a small particle size, which can effectively block dentinal tubules and microtubules on the tooth surface, isolate the channel of external stimulation and hinder the transmission of excitement to a dental pulp nerve, thus alleviating a tooth sensitivity. Without chemical reactions, the silica particle will not cause a secondary damage to sensitive teeth, is safe and effective, and has a long-lasting effect.

Abstract: A golf skill training system includes two armbands to be securely wrapped around the upper arms of the golf player, where the two armbands are either linked to each other by an elastic band, or separately linked by two elastic bands to the player's torso at chest height. Sensors are provided on the elastic band or bands to measure the amount of stretch in each band. During a golf swing, the elastic band or bands may become stretched, and the amounts of stretch measured by the sensors serve to indicate whether the two arms are too far apart from each other or one or both arms are too far from the torso during the swing. Additional elastic bands with sensors may be provided. The golf skill training system further includes movement sensors attached to the player's waist and knees to measure the rotation and movement speed of these parts of the body.

Abstract: An amorphous silica particle, a preparation method and use thereof is disclosed. The amorphous silica particle provided by the present disclosure meets 0.85?a Cetyl Trimethyl Ammonium Bromide (CTAB) specific surface area/a Brunauer-Emmett-Teller (BET) specific surface area?1. The amorphous silica particle provided by the present disclosure has both excellent friction and cleaning abilities and high light transmittance, when used in a toothpaste as an abrasive, the amorphous silica particle can obtain the excellent cleaning effect and the high transparency characteristic with a relatively low addition amount, without causing excessive wear of dentin and enamel, and the amorphous silica particle is suitable for preparing a whitening and transparent toothpaste with high friction and cleaning properties.

Abstract: The present application provides a peripheral blood sample analysis method and a use of a reagent component for measuring the abundance of a gene transcript in the preparation of a kit for the peripheral blood sample analysis method. The present application also provides a kit comprising the reagent component for quantifying the abundance of the gene transcript and a use of the reagent component for quantifying the abundance of the gene transcript in the preparation of a kit or drug for differentiating and triage of patients having abnormal body temperature.

Abstract: A display panel including a plurality of pixel areas and at least a non-pixel area located between two adjacent pixel areas; a substrate; a pixel definition layer located on one side of the substrate, the pixel definition layer including a pixel definition structure located in the non-pixel area and an opening located in the pixel area; a blocking part, the blocking part being disposed on a side of the pixel definition structure away from the substrate; and a light emitting device layer, the light emitting device layer including an organic common layer, the organic common layer being located on a side of the blocking part away from the substrate, where the blocking part includes at least one protrusion, the protrusion including a first bottom surface close to the substrate, a first sidewall, and a second sidewall opposite to the first sidewall.

Abstract: The present invention relates to a frequency-stable low-dielectric microwave dielectric ceramic material and a preparation method thereof. The material is prepared from the following components in percentage by mass: 70-90% of a main-phase ceramic material A, 10-30% of an auxiliary-phase ceramic material B and 0-1.0% of an oxide sintering aid C. The main-phase ceramic material A is MgxMeySiO2+x+y; the auxiliary-phase ceramic material B is composed of ?RO-bRe2O3-cTiO2, R is at least one of Ca or Sr, Re2O3 is at least two of Sm2O3, Nd2O3, Y2O3, Al2O3 and La2O3; and the oxide sintering aid C is at least one of MnO2, WO3 and CeO2.

Abstract: A display panel and a display device are provided. The display panel includes a substrate; light-emitting devices, pad groups on a side of the substrate, and first metal elements and second metal elements at a side of the pad groups close to the substrate. Each pad group includes a first pad and a second pad, and at least one pad group corresponds to one light-emitting device. In one pad group corresponding to one same light-emitting device, along a direction perpendicular to a plane of the substrate, the first pad at least partially overlaps the first metal elements with an overlapping area of S1 and the second pad at least partially overlaps the second metal elements with an overlapping area of S2 where |S1?S2|/S1?5%, or the first pad does not overlap the first metal elements and the second pad does not overlap the second metal elements.

Abstract: A thermoplastic elastomer for profile control and water shutoff is prepared from the following raw materials in parts by weight: 8-10 parts of a component A, 1-3 parts of a strong acid, 1-3 parts of a hydrophobic modifier and 100-105 parts of water. The component A is one of polyethylene glycol, polyvinylether, polyvinyl alcohol, copolymer of acrylamide and acrylonitrile. The strong acid is one of concentrated hydrochloric acid and concentrated sulfuric acid. The hydrophobic modifier is any one of formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, ?-propiolactone, ?-butyrolactone, ?-valerolactone, methyltriacetylsilane, methyltrimethylsilane, butyl acrylate and ethylene glycol dimethacrylate. The thermoplastic elastomer for profile control and water shutoff provided by the disclosure has the advantages of one-step preparation and molding, strong deformation capability, temperature resistance, salt tolerance, strong stability and the like, and is suitable for large-scale production and application.

Abstract: A display panel and a manufacturing method. The display panel includes a substrate; light-emitting devices and a pixel definition layer that are located at a side of the substrate; and a first spacer structure. The pixel definition layer includes apertures and bank portions, and the apertures include first apertures provided with the light-emitting devices and a second aperture. The first spacer structure is provided in the second aperture. Along a direction perpendicular to a plane of the substrate, one of the bank portions includes a first part, a distance from a surface of the first spacer structure away from the substrate to the substrate is d1, and a distance from a surface of the first part away from the substrate to the substrate is d2, where d1>d2. A transmission path of a lateral leakage current between two adjacent sub-pixels can be increased, thereby ameliorating undesirable lighting of sub-pixels.

Abstract: A pollen polysaccharide extract prepared by the following method: mixing rape pollen with water, then heating and stirring for extraction, filtering, mixing filtrates, adding chitosan to a resulting filtrate to obtain a liquid to be clarified, keeping the liquid to be clarified at 60-80° C. for at least 1 h, cooling and allowing to stand, and performing solid-liquid separation to obtain a liquid, namely the pollen polysaccharide extract.