Abstract: The present disclosure provides a testis-targeted lycopene (LYC)/ZIF-90 nanocomposite and a preparation method and use thereof, belonging to the technical field of targeted drugs. In the present disclosure, a ZIF-90 metal-organic framework (MOF) material is combined with LYC through aldol condensation; when entering areas of inflammatory response and oxidative stress response, ZIF-90 may disintegrate and collapse in a slightly-acidic environment, releasing the LYC, thereby avoiding easy oxidation of the LYC and improving a bioavailability of the LYC; in addition, the disintegrated and collapsed ZIF-90 may also be utilized by organisms, thus greatly reducing a damage to the organisms. Moreover, the LYC/ZIF-90 nanocomposite is further loaded with follicle-stimulating hormone (FSH).

Abstract: The present disclosure relates to the technical field of oxygen carrier, discloses a medium-entropy perovskite oxygen carrier and its preparation method and application thereof, the synthesis procedure includes preparing an aqueous solution from metallic nitrate serving as a raw material, performing a coprecipitation reaction with at least one of aqueous ammonia solution, a sodium hydroxide aqueous solution or a sodium carbonate aqueous solution as a precipitant at a pH value of 9.5 to 10.5; obtaining the La3CoMnAlO9 powers after stirring, standing, washing, drying and calcining. The preparation method is simple, synthetic conditions are easy to control, and batch production could be achieved.

Abstract: The present invention discloses a method for preparing an ibuprofen spherical crystal having high bulk density and a product thereof. The method includes: (1) heating ibuprofen until a molten liquid state is reached; and (2) pressurizing the molten liquid state of ibuprofen, dropping the molten liquid state of ibuprofen into a crystallizer filled with water through a liquid distributor for crystallization under stirring conditions until the molten liquid state of ibuprofen is completely dropped, lowering the rotation speed of stirring to allow crystal growing, and finally, subjecting a resulting crystal slurry to post-treatment to obtain the ibuprofen spherical crystal having high bulk density. The ibuprofen spherical crystal has a bulk density of 0.50-0.70 g/mL, a tap density of 0.63-0.89 g/mL, a median particle size of 300-1,000 ?m and an angle of repose of 22-29°.

Abstract: A dynamic backlight control method, a dynamic backlight module, and a storage medium are provided in the present application. A lamp bead of the dynamic backlight module includes a green chip and at least two blue chips. The dynamic backlight control method includes: receiving a source signal; and when the source signal is a pure blue signal, turning off the green chip, and driving more than two of the blue chips to output blue light.

Abstract: This application provides a coating system, and relates to the technical field of coating. The coating system may include a coating head, a feeding apparatus, and a valve. The coating head may be equipped with at least two dispensing cavities independent of each other. Each dispensing cavity may include a coating opening. The feeding apparatus may be connected to the dispensing cavity, and the feeding apparatus may be configured to feed a slurry to the dispensing cavity. The valve may be disposed between at least one dispensing cavity and the feeding apparatus, and configured to implement communication or disconnection between a corresponding dispensing cavity and the feeding apparatus.

Abstract: Embodiments of this application provide an electrode assembly, a manufacturing method and manufacturing system of same, a battery cell, and a battery. The electrode assembly includes a negative electrode plate and a positive electrode plate, where the negative electrode plate and the positive electrode plate are wound in a winding direction to form a winding structure, and the winding structure includes a bending zone. The negative electrode plate and the positive electrode plate each include a plurality of bending portions located in the bending zone.

Abstract: An annealing and drawing device for an oxygen-free copper tube used for a mobile phone heat pipe with a large diameter-wall thickness ratio, a drawing die is installed in a box body. An annealing tube is installed between the drawing die and the box body; a fixing plate is disposed on a side of the drawing die; a supporting roller is rotatably connected to the fixing plate. A tension adjusting mechanism is disposed on a side of the supporting roller. An outer side of an end of the box body is provided with a mounting plate. A supporting frame is fixed on a side of an upper end of the mounting plate, a servo motor is fixed at an upper end of the supporting frame, and a rotating shaft is fixed at an end of an output shaft of the servo motor. The rotating shaft is in key joint with a winding wheel.

Abstract: A method may include receiving, from a software application, pre-signup data of a user, embedding the pre-signup data to obtain a pre-signup data vector, generating, by applying a topic model to the pre-signup data vector, a pre-signup topic vector, receiving action descriptions of actions of the software application, embedding the action descriptions to obtain action description vectors, generating, by applying the topic model to the action description vectors, action description topic vectors, generating scores by multiplying the pre-signup topic vector and the action description topic vectors, and recommending, to the user and using the scores, an action.

Abstract: A method of automatic image freezing of digestive endoscopy based on a perceptual hash algorithm includes: analyzing a video streaming of digestive endoscopy acquired by digestive endoscopy imaging system into image data; calculating a similarity between an image at t point in time and images of first n frames, to obtain a weighted similarity k of the image; and comparing the weighted similarity k of the image at t point in time with a freezing boundary l, and triggering an instruction of image freezing when the k reaches l to obtain the clear images with the best visual field from the video streaming of digestive endoscopy.

Abstract: A method may include receiving, from a software application, pre-signup data of a user, embedding the pre-signup data to obtain a pre-signup data vector, generating, by applying a topic model to the pre-signup data vector, a pre-signup topic vector, receiving action descriptions of actions of the software application, embedding the action descriptions to obtain action description vectors, generating, by applying the topic model to the action description vectors, action description topic vectors, generating scores by multiplying the pre-signup topic vector and the action description topic vectors, and recommending, to the user and using the scores, an action.

Abstract: A heating mode control method of an air conditioner, comprises: obtaining an indoor temperature and calculating the difference between the indoor temperature and an indoor target temperature to obtain an indoor temperature difference as air conditioner running at heating mode; performing a coil temperature control process as the indoor temperature difference in a set indoor temperature difference range, wherein the coil temperature control process including: obtaining an indoor coil temperature and controlling the frequency of the compressor according to the indoor coil temperature and a coil target temperature. The application of the method can achieve the purpose of improving the heating effect by increasing the outlet air temperature, thus improving the heating performance of an air-conditioner.

Abstract: A method for controlling an electrical exhaust gas turbocharger of an internal combustion engine includes a measure (a), in accordance with which a load requirement placed on the internal combustion engine is monitored, and a measure (b), in accordance with which a boost mode of the electrical exhaust gas turbocharger is activated if the load requirement monitored in measure (a) exceeds a predetermined threshold value.

Abstract: An annealing and drawing device for an oxygen-free copper tube used for a mobile phone heat pipe with a large diameter-wall thickness ratio, a drawing die is installed in a box body. An annealing tube is installed between the drawing die and the box body; a fixing plate is disposed on a side of the drawing die; a supporting roller is rotatably connected to the fixing plate. A tension adjusting mechanism is disposed on a side of the supporting roller. An outer side of an end of the box body is provided with a mounting plate. A supporting frame is fixed on a side of an upper end of the mounting plate, a servo motor is fixed at an upper end of the supporting frame, and a rotating shaft is fixed at an end of an output shaft of the servo motor. The rotating shaft is in key joint with a winding wheel.

Abstract: A heating mode control method of an air conditioner, comprises: obtaining an indoor temperature and calculating the difference between the indoor temperature and an indoor target temperature to obtain an indoor temperature difference as air conditioner running at heating mode; performing a coil temperature control process as the indoor temperature difference in a set indoor temperature difference range, wherein the coil temperature control process including: obtaining an indoor coil temperature and controlling the frequency of the compressor according to the indoor coil temperature and a coil target temperature. The application of the method can achieve the purpose of improving the heating effect by increasing the outlet air temperature, thus improving the heating performance of an air-conditioner.

Abstract: The present invention relates to a method for preparing a graphene/HE-NCM composite, wherein more than one HE-NCM particles of the formula (1) xLi2MnO3.(1?x)LiNiyCozMn1-y-zO2, wherein 0<x<1, 0<y<1, and 0<z<1, are in electrical contact with each other via one or multiple graphene flakes, said method including: a) dispersing HE-NCM particles in a solution of graphene oxide by ultrasonication to give a dispersion; b) lyophilization of the dispersion to give a graphene oxide/HE-NCM composite; c) thermal decomposition of the graphene oxide/HE-NCM composite to give the graphene/HE-NCM composite. The present invention further relates to a graphene/HE-NCM composite for lithium ion battery prepared by said method, an electrode material and a lithium ion battery comprising said graphene/HE-NCM composite.

Abstract: A coated lithium-rich layered oxide consisting of: a lithium-rich layered oxide represented by the formula xLi2MO3(1?x) LiM?O2, wherein M is Mn, Ti, Zr or any combination thereof, M? is Mn, Ni, Co or any combination thereof, and 0<x<1, and an outer layer formed by gas deposition of P2O5. A process for producing the coated lithium-rich layered oxide, a cathode comprising the coated lithium-rich layered oxide, and a rechargeable lithium battery.

Abstract: Methods for allocating dispatch service areas of a trunking system based on code division multiple access technology, including assigning groups of a fleet to dispatch service areas formed from non-overlapping dispatch location areas on the push-to-talk register of a trunking system. The assignment information is shared between the network, the mobile station, and the base station to control the trunking conversation of the mobile station.

Abstract: The present invention discloses a method for improving paging speed of a called user in CDMA trunking system. For a first trunking terminal supporting minus time slot call manner, said method includes: it makes minus time slot paging cycles of the first trunking terminal and a trunking core network keep synchronous; the first trunking terminal selects a minus time slot paging cycle to calculate a paging time slot according to the presence of its own minus time slot paging cycle and the presence of a minus time slot paging cycle contained in an overhead message of a call channel, and monitors the call channel on the calculated paging time slot; the base station system selects a minus time slot paging cycle to calculate a paging time slot of the user according to the presence of its own minus time slot paging cycle and the presence of a minus time slot paging cycle contained in a paging request message, and transmits a paging message on the call channel according to the calculated paging time slot.

Abstract: The present invention discloses a method of fast call setup in digital trunking communication system, including: the terminal user initiating a PTT call; the base station receiving said PTT call request, assigning channel resource for the call, establishing forward service channel according to the distribution of channel, transmitting an empty frame on the forward service channel and at the same time transmitting an extended channel assignment message to specify the service channel assigned for the terminal; after receiving the extended channel assignment message, the terminal user opening the receiver to track and acquire the forward service channel, and at the same time transmitting one or more prefix-frame on the reverse service channel or reverse pilot channel; the base station or the terminal performing the operation of acquisition of service channel, if the acquisition succeeds, the call setup is successful, if the acquisition fails, the call setup is failed and enters release flow.

Abstract: The present invention relates to a method for allocating dispatch service areas for trunking system based on code division multiple access technology, comprising: dividing the service area of a trunking system into a plurality of dispatch location areas geographically not overlapping each other; assigning one or a plurality of dispatch location areas as dispatch service area for each fleet on the push-to-talk home register of above trunking system; assigning dispatch service areas for groups of above fleet, wherein the dispatch service areas of the groups should be full set or subset of the fleet's dispatch service area; synchronizing information of dispatch service areas from network side to mobile station by updating user information; system parameter message of base station has the information of dispatch location area that this cell belong to, to inform the mobile station whether it is out of a dispatch service area, and the push-to-talk home register will control the trunking conversation of said mobile