Abstract: A program installation method and device, a storage medium, and a computer device are provided. The program installation method is executed after installing a driver program corresponding to a peripheral device through a first method. The first method includes automatically downloading a driver package and automatically installing the driver program in response to a connection signal of the peripheral device. The program installation method includes: installing an extension program in the driver package; and creating a shortcut of the extension program in a user interaction interface according to a device information file.

Abstract: A camera module having OIS function and its preparation method are provided. The camera module includes a housing and an optical assembly in the housing, and further includes a circuit board in the housing. The circuit board includes a first board and a second board on the first board. The first board is flexible. The first board includes a first portion, a second portion, and a third portion successively connected in an extending direction of the first board. The second portion defines a slot. The second board is on the third portion. The optical assembly is on the second board. The first portion includes a fixed end connecting the second portion and an opposite free end. The housing defines a through hole. The first portion extends through the slot to form a bent portion and extends out of the through hole, such that the free end is outside the housing.

Abstract: A positioning method, a user equipment and a network device provided by the present disclosure realize positioning of the user equipment by combining proximity based services, where the network device receives a location service request for a target UE; if it is determined that the target UE supports a proximity assisted positioning function and the network device determines to trigger an assisted positioning process for the target UE, the network device obtains self-positioning information of the target UE and assisted positioning information, and performs positioning processing on the target UE according to the self-positioning information of the target UE and the assisted positioning information to obtain a positioning result, where the assisted positioning information is information obtained by a proximal UE performing assisted positioning measurement on the target UE.

Abstract: A monitoring and evaluation method for comprehensive evaluation index of machine-harvested cotton defoliation effect and system thereof relates to the field of monitoring and evaluation of cotton-harvested indexes. The RGB images of the machine-harvested cotton canopy are firstly acquired to extract visible-light vegetation index features, color component features and texture features of machine-harvested cotton canopy RGB images; the visible-light vegetation index features, color component features and texture features are input to the trained comprehensive evaluation model of machine-harvested cotton defoliation effect, to output the defoliation effect evaluation value; finally, the harvesting timing of machine-harvested cotton is determined according to the defoliation effect evaluation value.

Abstract: Disclosed are a hydraulic fracturing and cutting cooperative device suitable for a hard rock and a use method thereof, belonging to the technical field of high-efficiency and rapid excavation of hard rock roadway (tunnel). The hydraulic fracturing and cutting cooperative device suitable for a hard rock provided by the disclosure includes a drill pipe, a pneumatic drilling system, a hydraulic fracturing system, a collaborative control system and a cutting head.

Abstract: Disclosed are a grain boundary and surface-doped rare earth manganese-zirconium composite compound as well as a preparation method and use thereof. A rare earth manganese oxide with a special structure is formed at grain boundary and surface of a rare earth zirconium-based oxide by a grain boundary doping method so as to increase oxygen defects at the grain boundary and the surface, thereby increasing the amount of active oxygen, improving the catalytic activity of the rare earth manganese-zirconium composite compound, inhibiting high-temperature sintering of the rare earth manganese-zirconium composite compound, and improving the NO catalytic oxidation capability. When the rare earth manganese-zirconium composite compound is applied to a catalyst, the consumption of noble metal can be greatly reduced.

Abstract: The present application relates to a 1.5V lithium battery. The lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, a first insulating seal and an insulating sheath. The wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing dock with each other and fixed by circumferential welding, and the circuit assembly includes a PCB, a low-voltage positive cap, a high-voltage positive connecting piece and a negative elastic piece. In the present application, the circuit assembly can stably output a low voltage of 1.5V.

Abstract: The present disclosure provides a technology field of caking of crystal particles, and in particular relates to a method for predicting a critical caking cycle of crystal particle. The method includes: establishing a CHS crystal bridge growth model database of a crystal particle with a same type of crystal particle to be predicted firstly, selecting existed data in the corresponding CHS crystal bridge growth model database based on an equivalent particle radius, a stored ambient temperature, and an environmental high and low humidity cycle condition of the crystal particle to be predicted, respectively, and calculating the critical caking cycle according to experience calculation equations, wherein a result obtained by calculation is a predicted critical caking cycle of the crystal particle to be predicted.

Abstract: A memory device includes a first substrate, a first memory array, a second substrate, and at least one first vertical transistor. The first memory array is disposed on the first substrate. The first memory array includes at least one first word line structure. The first memory array is disposed between the first substrate and the second substrate in a vertical direction. The first vertical transistor is electrically connected with the first word line structure. At least a part of the at least one first vertical transistor is disposed in the second substrate.

Abstract: A method and an apparatus for driving a display panel, and a display driver integrated circuit chip are provided. The method includes: determining an order in which display divisions on the display panel are to be driven, when determined not to update respective refresh rates of the display divisions; determining electric signal gear ranges for the display divisions based on the refresh rates of the display divisions, respectively; and driving the display divisions sequentially in the determined order and based on the determined gear ranges. With this method, the power consumption can be reduced while the display effect is improved.

Abstract: The present invention discloses a rare-earth-manganese/cerium-zirconium-based composite compound, a method for preparing the same, and a use thereof. The composite compound is of a core-shell structure with a general formula expressed as: A REcBaOb-(1-A)CexZr(1-x-y)MyO2-z, wherein 0.1?A?0.3, preferably 0.1?A?0.2; a shell layer has a main component of rare-earth manganese oxide with a general formula of REcMnaOb, wherein RE is a rare-earth element or a combination of more than one rare-earth elements, and B is Mn or a combination of Mn and a transition metal element, 1?a?8, 2?b?18, and 0.25?c?4; and a core has a main component of cerium-zirconium composite oxide with a general formula of CexZr(1-x-y)MyO2-z, wherein M is one or more non-cerium rare-earth elements, 0.1?x?0.9, 0?y?0.3, and 0.01?z?0.3. The composite compound enhances an oxygen storage capacity of a cerium-zirconium material through an interface effect, thereby increasing a conversion rate of a nitrogen oxide.

Abstract: The present invention provides a damping material and a damping sheet made therefrom. Specifically, the present invention provides a damping material comprising 10-50 wt % of a block copolymer elastomer; 5-40 wt % of a specific-length fiber; 5-45 wt % of a thermoplastic non-elastomeric polymer; 5-50 wt % of a tackifier; 0-50 wt % of an inorganic filler; and 0-30 wt % of a flame retardant based on the total weight of the damping material. The damping material and the damping sheet made therefrom according to the present invention have high damping properties, a wide application temperature range and a low density, and can serve as a novel damping material in the current automobile, rail transit, construction and electrical appliance industries.

Abstract: The disclosure provides a reaction kettle, a polypeptide synthesis cleavage system and their use in polypeptide synthesis or cleavage. The reaction kettle comprises: (1) a kettle body; (2) a stirring device located at the upper part of the kettle body and extending to the interior of the kettle body; (3) a liquid feed port, a solid feed port, an inert gas inlet and an inert gas outlet located at the upper part of the kettle body; (4) a liquid discharge port and a liquid guiding groove at the bottom of the kettle body, wherein the liquid discharge port is located at the lowest point of the liquid guiding groove; (5) a filtering device located above the liquid guiding groove; (6) a solid discharge portpassing through the bottom of the kettle body and the filtering device; and (7) a discharge valve configured at the solid discharge port.

Abstract: The present invention relates to a contact arrangement (1), preferably for a power electronics system, comprising a printed circuit board (2) with a fastening hole (5), comprising a metal sleeve (8) which is inserted into the fastening hole (5), wherein the sleeve (8) makes contact with, preferably is soldered to, the printed circuit board (2), comprising a base (15) on which the sleeve (8) lies in order to make electrical contact, and comprising a fastening element (11) which protrudes through the sleeve (8), wherein one end of the fastening element (11) is fixedly connected to the base (15) and a head (12) is formed or arranged at the other end, wherein the head (12) of the fastening element (11) lies only on the sleeve (8) and not on the printed circuit board (2), and wherein the sleeve (8) projects beyond the printed circuit board (2) by way of a first projection (10) on that side which faces the base (15), wherein the first projection spaces apart the printed circuit board (2) and the base (15).

Abstract: The present invention relates to a contact arrangement (1), preferably for a power electronics system, comprising a printed circuit board (2) with a fastening hole (5), comprising a metal sleeve (8) which is inserted into the fastening hole (5), wherein the sleeve (8) makes contact with, preferably is soldered to, the printed circuit board (2), comprising a base (15) on which the sleeve (8) lies in order to make electrical contact, and comprising a fastening element (11) which protrudes through the sleeve (8), wherein one end of the fastening element (11) is fixedly connected to the base (15) and a head (12) is formed or arranged at the other end, wherein the head (12) of the fastening element (11) lies only on the sleeve (8) and not on the printed circuit board (2), and wherein the sleeve (8) projects beyond the printed circuit board (2) by way of a first projection (10) on that side which faces the base (15), wherein the first projection spaces apart the printed circuit board (2) and the base (15).