Abstract: The present disclosure provides a preparation method of manganese hydroxide, including subjecting a coarse manganese metal powder and water to a reaction under temperature-rising condition to obtain a manganese hydroxide slurry; oxidizing the manganese hydroxide slurry to obtain high-purity trimanganese tetraoxide; reducing the high-purity trimanganese tetraoxide to obtain high-purity manganese monoxide, allowing the manganese hydroxide slurry and carbon dioxide to have a reaction to obtain high-purity manganese carbonate; roasting the high-purity manganese carbonate to obtain the high-purity manganese monoxide. In the present disclosure, the preparation method maintains a purity advantage of electrolytic manganese metal products, can reduce energy consumption, achieve safe and clean production, and avoid environmental problems.

Abstract: An energy efficiency calculation method includes calculating an hourly cooling load of a cooling area, determining an hourly power consumption of a chiller unit, an hourly power consumption of a water pump, and an hourly power consumption of a cooling tower of a refrigeration machine room, and calculating an energy efficiency of a water system of the refrigeration machine room based on the hourly cooling load, the hourly power consumption of the chiller unit, the hourly power consumption of the water pump, and the hourly power consumption of the cooling tower.

Abstract: A wood-plastic/lumber composite co-extrusion feeder includes a frame, wherein at least one group of toothed conveying units, a tooth mark milling unit for milling tooth marks on an outer surface of a lumber, and a lumber co-extrusion mold are arranged on the frame in sequence, each toothed conveying unit includes a lower toothed pressure roller installed on a first fixed bearing seat and an upper toothed pressure roller installed on a first movable bearing seat, and after the first fixed bearing seat and the first movable bearing seat are connected by an adjustment unit, a first conveying channel having an adjustable height is formed between the upper toothed pressure roller and the lower-toothed pressure roller.

Abstract: Disclosed are a low-mold deposit halogen-free flame-retardant thermoplastic polyamide composition, and a preparation method and use thereof. The composition includes the following components in parts by weight: 20 to 82 parts of a thermoplastic polyamide resin; 13 to 25 parts of a flame retardant; 1 to 5 parts of a flame-retardant synergist; 5 to 50 parts of a reinforcement material; and 0.5 to 5 parts of an adsorbent, where the flame retardant includes a phosphinate-based flame retardant and the adsorbent is an ethylene copolymer. In the present disclosure, an ethylene copolymer is added as an adsorbent and an addition amount of the ethylene copolymer is controlled, so that the prepared composition exhibits excellent flame resistance and electrical properties, and can effectively reduce the release of small molecules during the injection molding and greatly reduce an amount of the mold deposit generated during the injection molding.

Abstract: A display device and a driving method therefor and a manufacturing method thereof. The display device includes: a liquid crystal cell (1); a first polarizer (2) positioned at a light incident side of the liquid crystal cell (1); and a reflective polarization structure (3) positioned at one side of the liquid crystal cell (1) away from the first polarizer (2). The reflective polarization structure (3) is configured to absorb light having a polarization direction parallel to a transmission axis direction of the first polarizer (2), and to reflect light having a polarization direction perpendicular to the transmission axis direction of the first polarizer (2).

Abstract: A control method is provided, including: obtaining input information, where the input information includes a capacitance signal and report point coordinates generated when a user performs an operation on a terminal screen; using report point coordinates in a previous frame as report point coordinates in a current frame if it is determined that a capacitance signal in the current frame and a capacitance signal in the previous frame that are in the input information meet a preset condition; or using report point coordinates in a previous frame as report point coordinates in a current frame if it is determined that the report point coordinates in the current frame and report point coordinates in a first frame that are in the input information meet a preset condition.

Abstract: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.

Abstract: A wood-plastic/lumber composite co-extrusion feeder includes a frame, wherein at least one group of toothed conveying units, a tooth mark milling unit for milling tooth marks on an outer surface of a lumber, and a lumber co-extrusion mold are arranged on the frame in sequence, each toothed conveying unit includes a lower toothed pressure roller installed on a first fixed bearing seat and an upper toothed pressure roller installed on a first movable bearing seat, and after the first fixed bearing seat and the first movable bearing seat are connected by an adjustment unit, a first conveying channel having an adjustable height is formed between the upper toothed pressure roller and the lower-toothed pressure roller.

Abstract: The present invention provides a low-frequency mutation enrichment sequencing method for free target DNA in plasma, comprising plasma DNA extraction and library construction, general library TT COLD PCR amplification enrichment, probe enrichment capture, PCR and sequencing of captured products, and positive and negatice double-strand error-correction low-frequency information analysis.

Abstract: A report point output control method and apparatus includes performing feature detection on a capacitance hot spot to determine an eigenvalue of the capacitance hot spot, determining, based on the eigenvalue of the capacitance hot spot, whether a report point matching the capacitance hot spot is from an odd-form touch, and skipping outputting the report point when the report point is the report point generated by the odd-form touch. The eigenvalue includes at least one of a horizontal span, a longitudinal span, an eccentricity, a barycenter coordinate, a maximum capacitance value, an average shadow length, an upper left shadow area, or a lower right shadow area.

Abstract: A control method is provided, including: obtaining input information, where the input information includes a capacitance signal and report point coordinates generated when a user performs an operation on a terminal screen; using report point coordinates in a previous frame as report point coordinates in a current frame if it is determined that a capacitance signal in the current frame and a capacitance signal in the previous frame that are in the input information meet a preset condition; or using report point coordinates in a previous frame as report point coordinates in a current frame if it is determined that the report point coordinates in the current frame and report point coordinates in a first frame that are in the input information meet a preset condition.

Abstract: A method for analyzing the diversity of immune repertoire of T cell receptors (TCR) or B cell receptors (BCR) of a cell-free DNA (cf-DNA) sample and of a nuclear DNA sample of peripheral blood mononuclear cell (PBMC), applicable in screening and determining the presence of lesion-infiltrating lymphocytes.

Abstract: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.

Abstract: The present invention provides a low-frequency mutation enrichment sequencing method for free target DNA in plasma, comprising plasma DNA extraction and library construction, general library TT COLD PCR amplification enrichment, probe enrichment capture, PCR and sequencing of captured products, and positive and negatice double-strand error-correction low-frequency information analysis.

Abstract: The present invention relates to a method for detecting Human Papilloma Virus (HPV), in particular, to a method for detecting HPV based on Solexa sequencing method.

Abstract: The present invention provides a bonded structure of a flexible circuit board of a touch screen for preventing overflow including a touch sensor panel having a flexible circuit board adhered thereon. The flexible circuit board and/or the touch sensor panel have a glue dam disposed thereon, and a length of the glue dam is larger than a width of the flexible circuit board. The bonded structure of the flexible circuit board of the touch screen for preventing overflow in the present invention disposes the glue dam at a position at the bonding area of the flexible circuit board bonded to the touch sensor panel to effectively reduce the overflow to a side of the flexible circuit board outside the touch sensor panel, and an appearance of the overflow and voids during bonding could be avoided.

Abstract: The present invention relates to a method for detecting Human Papilloma Virus (HPV), in particular, to a method for detecting HPV based on Solexa sequencing method.

Abstract: The present invention provides a bonded structure of a flexible circuit board of a touch screen for preventing overflow including a touch sensor panel having a flexible circuit board adhered thereon. The flexible circuit board and/or the touch sensor panel have a glue dam disposed thereon, and a length of the glue dam is larger than a width of the flexible circuit board. The bonded structure of the flexible circuit board of the touch screen for preventing overflow in the present invention disposes the glue dam at a position at the bonding area of the flexible circuit board bonded to the touch sensor panel to effectively reduce the overflow to a side of the flexible circuit board outside the touch sensor panel, and an appearance of the overflow and voids during bonding could be avoided.