203results about How to "Improve utilization" patented technology

The invention discloses a multi-user sharing-oriented multimedia network video recommendation method, which comprises the following steps: firstly, constructing multi-user characteristics by utilizing collected program information in a multi-user sharing environment, and constructing a leading user label according to the similarity of the program characteristics and the continuity of user watching behaviors, so that separation of multi-user mixed logs is realized; performing periodic multi-user identification prediction of future sessions; secondly, building a user interest mining model based on a time-varying LinUCB algorithm to learn interest changes of a user for each program theme, and enhancing the personalized ability and efficiency of a recommendation system from three aspects of parallel calculation, adaptive control of an exploration coefficient and incremental updating based on LSTM; and finally, establishing an article quality model based on a non-time-varying LinUCB algorithm to further ensure the program quality, and integrating the two algorithms into a final recommendation system model by adopting a cross weighting strategy to form a final program recommendation list. The novelty and accuracy of the recommendation result are ensured.

The invention discloses a photovoltaic-driven IDC electric-cooling linkage method and device, and belongs to the technical field of IDC electric-cooling linkage, and the method comprises the following steps: S1, constructing a gravity energy storage structure; s2, the gravity object is lifted to the highest point of the gravity object channel through the gravity energy storage structure; s3, air at the bottom of the gravity object channel is compressed for the second time, and a thermal cracking reaction is carried out; s4, thermal cracking gas generated by the thermal cracking reaction is drained, and combustion products are discharged into a gas storage chamber; s5, the generated steam waste heat pushes a turbine in a turbine chamber to do work for power generation; and S6, domestic hot water and night heating hot water are prepared, convective heat exchange is conducted, the low-temperature reclaimed water obtained after heat exchange is heated into high-temperature steam in a cooler, the high-temperature steam enters a turbine to become high-temperature reclaimed water, and the high-temperature reclaimed water flows into a control center or a water storage pool. The organic matter compressed garbage is used as a gravity object for gravity energy storage, and heavy oil, solid fuel, adsorbents and other high-value products are produced in the gravity energy storage process.

The invention discloses a physical information neural network hyperspectral band selection method for target identification, which uses physical information SDI as prior information to be combined with a channel attention mechanism added in a deep neural network to guide band selection, and evaluates the advantages and disadvantages of band weights through a reconstruction module after the weights are generated. Wave band selection is carried out accordingly; according to the hyperspectral image target recognition waveband selection method based on the physical information neural network, compared with a traditional method, the process is simplified and the precision is improved through end-to-end learning, the utilization of spatial context information can be enhanced by adding an attention mechanism, and the model has interpretability by adding prior SDI information.

The invention discloses a low-delay adaptive code rate control system for a meteorological monitoring video stream, and relates to the technical field of adaptive code rate control in video stream media transmission, and the system comprises a content importance analysis module which is used for carrying out the real-time analysis of a video block to be transmitted, generating a content importance score representing the meteorological information value; and the decision arbitration module is connected with the content importance analysis module and is used for receiving the content importance score, the network state information and the buffer area state information. According to the low-delay adaptive code rate control system for the meteorological monitoring video stream, bandwidth resources can be allocated according to the difference of meteorological information values of video contents, the quality of key monitoring pictures is guaranteed preferentially when network conditions fluctuate, unnecessary code rate switching is inhibited actively through internal look-ahead simulation and risk assessment, and the quality of the meteorological monitoring video stream is improved. Therefore, balance between continuous and clear transmission of high-value information and overall watching fluency is realized in a complex network environment.

The utility model relates to a tool changing device and a machining system, the tool changing device comprises a pick-and-place mechanism, and the pick-and-place mechanism is used for picking and placing a cutter head or a cutter box; in the cutter position, the cutter obtained by the taking and placing mechanism is placed in the cutter position, and the new cutter box and the old cutter box are exchanged in the cutter position; and the cutterhead opening and closing mechanism is used for opening or closing the cutterheads at the cutterhead positions, when the cutterheads are opened, the cutter boxes can be taken out or put into the cutterheads, and when the cutterheads are closed, the cutter boxes in the cutterheads are fixed. The cutter box in the cutter head can be replaced on the cutter replacing device, efficient circulation of cutters is achieved, the number of used cutter heads is reduced, and cost is reduced.

The petroleum drilling system comprises a base, the base is horizontally placed on the ground, a through hole is formed in the middle of the base, a transverse plate is arranged above the base in a lifting mode, a first motor is arranged above the transverse plate, and an outer pipe is arranged below the transverse plate; the top of the outer pipe is connected with an output shaft of the first motor pair, a drill bit is arranged at the bottom of the outer pipe, and a hole channel is formed in the drill bit in a penetrating mode and communicates with the outer pipe. An inner pipe is arranged on the inner side of the outer pipe, a plurality of adjusting assemblies are arranged below the inner pipe, each adjusting assembly is connected with the inner side wall of the outer pipe, and the size of an opening in the upper end of a space formed by the adjusting assemblies is larger than that of an opening in the lower end of the space. A water pump and a liquid tank are further arranged on the base; the water pump can control the liquid tank to enable drilling fluid to enter and exit from the inner pipe and the outer pipe; by replacing the manufacturing material of the inner pipe, the overall mass of the inner pipe is lighter, and then the fixing degree of the plug pin to the inner pipe is improved.

This invention discloses a method and system for calculating the exploitable reserves of multi-layered gas reservoirs, belonging to the field of oil and gas development technology. The method includes the following steps: evaluating the dynamic reserves of multi-layered syndicated gas wells; calculating the contribution ratio of stratified production at different production times of the gas well; based on the contribution ratio of stratified production, and according to the monthly single-point stratified production splitting coefficient, calculating the daily production splitting coefficient through linear interpolation, and combining it with the daily production of the gas well to calculate the daily production of each sub-layer, and accumulating the cumulative production of each sub-layer; based on the cumulative production of each sub-layer, calculating the cumulative gas production ratio of each stratum, and combining it with the dynamic reserves calculation results of the gas well, determining the exploitable reserves of the strata. This method provides a prediction method for the exploitable reserves of multi-layered gas reservoirs. Based on the dynamic and static parameters of the gas well sub-layers and the stratified production capacity, this method calculates the exploitable reserves of multi-layered syndicated gas wells, and can effectively guide the prediction of the exploitable reserves of multi-layered gas reservoirs.

The embodiment of the present specification provides a logistics service object scheduling method, which obtains service data of a target object; then performs data statistics on the service data through a service evaluation index to obtain a service evaluation parameter; and performs data statistics on the service data through a parameter influence index to obtain an influence factor; then adjusts the service evaluation parameter based on the influence factor to obtain a regional familiarity of the target object to a target region; and further schedules a service process corresponding to the target object according to the regional familiarity. Thus, the logistics service capacity resource dynamic scheduling process is realized. Since the multi-dimensional comprehensive service evaluation index is used to quantify the logistics service execution effect, and the multi-dimensional influence factor is used for quantitative correction, the evaluation accuracy of the service effect of the target object in a specific region is improved, and the service process is scheduled based on the obtained regional familiarity, so that the execution efficiency of the logistics service is improved.

A method for tilting and turning a vertical shaft protective device is disclosed. A door hinge is rotatably mounted on one side of the door body and fixedly connected to it. The door body is fixedly connected to the door hinge, and as the door hinge rotates, the door body can tilt and turn vertically to allow it to be opened and closed within the hollow structure. This invention enables remote electric control and manual control in case of power failure to tilt and turn a protective device weighing several tons vertically, achieving protection of the shaft opening. This reduces the horizontal length of the air duct's civil defense protection section, improves space utilization, reduces civil engineering investment, facilitates the layout of other civil engineering projects, and is simple to tilt and maintain during application.

The present application relates to the technical fields of medical health food, and discloses a preparation device for naringin compound loaded by octenyl succinic acid modified porous starch ester, which comprises a preparation liquid ultrasonic mixing cylinder assembly, a mixing top cover assembly is arranged on the top of the preparation liquid ultrasonic mixing cylinder assembly, and a mixed liquid shaking and stirring assembly is arranged on the mixing top cover assembly; a rocker arm base assembly is rotatably arranged at the bottom of the preparation liquid ultrasonic mixing cylinder assembly; a preparation liquid mixing cylinder assembly is fixedly arranged on both sides of the top of the preparation liquid ultrasonic mixing cylinder assembly; the preparation liquid ultrasonic mixing cylinder assembly comprises a preparation liquid ultrasonic mixing cylinder, a plurality of mixing cylinder bottom arm tables are fixedly arranged on the preparation liquid ultrasonic mixing cylinder through reinforcing rib plates, and a bottom arm table main shaft rod is fixedly arranged on the mixing cylinder bottom arm table; an aeration pipe is fixedly arranged at the bottom of the preparation liquid ultrasonic mixing cylinder, and a liquid pump is fixedly arranged outside the bottom of the preparation liquid ultrasonic mixing cylinder. The present application has the characteristics of sufficient mixing.

This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.

This invention relates to the field of circuit board manufacturing technology, specifically to a production capacity improvement device for liquid crystal display circuit boards, comprising a disc placement unit, a clamping mechanism, and a drilling mechanism. In this invention, the clamping bars and the mating top plate cooperate with each other. After the circuit board is lowered, the four corresponding clamping mechanisms work together to quickly clamp the circuit board, ensuring stability during processing while minimizing the time spent clamping the circuit board. Simultaneously, the release mechanism allows the drilled circuit board to move quickly upwards for easy removal, further reducing the time spent clamping the circuit board and thus improving the production capacity. The adjustment mechanism moves the lower left corner of the circuit board to a designated position, facilitating subsequent drilling operations based on this position, thereby reducing the time spent adjusting the circuit board's position and further improving production capacity. It can also accommodate circuit boards of different sizes.

The invention belongs to the field of microbial fermentation and the technical field of daily chemicals, and particularly relates to deacetylated sophorolipid as well as a preparation method and application thereof. By using cheap culture medium components and screening out saccharomycetes with high yield of lactone type sophorolipid, the problem that the production cost of the sophorolipid is too high is effectively solved, and the application of the sophorolipid in various fields is promoted; through the step of carrying out enzymolysis on a fermentation substrate in advance, the problems of long single fermentation period, low thallus utilization rate, high energy consumption and high cost of traditional saccharomycetes are solved. A multi-round fermentation circulation system is designed, and bacteria liquid is settled and recycled and then inoculated and fermented, so that thalli are efficiently and repeatedly utilized, the unit yield is increased, the fermentation period is shortened, and the production cost is effectively controlled. The structure is adjusted through a resin modification technology, a final product mainly comprises acetylated sophorolipid, and compared with acetylated sophorolipid and deacetylated sophorolipid, the sophorolipid has better foam stability and sensitive skin repairing effect and is suitable for the application fields of cosmetics, washing care and the like.

The application relates to the technical field of waste heat recovery, in particular to a waste heat recovery type gas-water cooler which comprises a shell, the shell is horizontally arranged, the inner cavity of the shell is divided into a hot water cavity, a heat exchange cavity and a cooling water cavity by a water chamber partition plate, and the hot water cavity, the heat exchange cavity and the cooling water cavity are sequentially arranged along the length direction of the inner cavity of the shell; a gas inlet and a gas outlet are respectively arranged at the top of the heat exchange cavity, the gas inlet is used for receiving medium-low temperature gas, and the gas outlet is used for discharging low temperature gas after heat exchange; a hot water pipe bundle and a cooling water pipe bundle are respectively arranged in the heat exchange cavity, the hot water pipe bundle is communicated with the hot water cavity, and the cooling water pipe bundle is communicated with the cooling water cavity; the hot water pipe bundle is used for recovering gas waste heat, and the cooling water pipe bundle is used for cooling the gas temperature to a required temperature. The waste heat recovery type gas-water cooler provided by the application is convenient for improving the utilization rate of industrial exhaust waste heat.

The utility model discloses an aluminum-plastic co-extrusion building system door and window which is composed of an outer frame, a mullion and a glass sash. Glass is arranged between the upper transverse frame and the middle transverse frame and between the lower transverse frame and the middle transverse frame; the upper transverse frame, the middle transverse frame and the lower transverse frame are each composed of an outer profile assembly and an inner profile assembly. The outer profile assembly comprises an outer plate and an outer profile; the outer plate is connected with the outer profile through a first heat preservation and insulation structure. The outer plate and the outer profile are connected through the first heat insulation structure, the outer profile and the inner profile body are connected through the second heat insulation structure, multiple heat resistance barriers are formed, the first heat preservation layers co-extruded on the two sides are matched, a heat conduction path is effectively blocked, and the door and window profile has good heat preservation and heat insulation performance; in addition, heat insulation type aluminum-plastic co-extrusion systematic doors and windows with different K values or U values are constructed by combining the outer sectional material, the sealing structure and different inner sectional material bodies.

The utility model relates to a kind of concrete double T plates, belong to concrete double T plate structure design technical field, specifically a large-span concrete double T plate, including double T plate body, still include;Positioning slot, positioning slot starts at the periphery of double T plate body, and the inside of each positioning slot is inserted with positioning block;Thermal insulation board, thermal insulation board fixed mounting is in the inner top of double T plate body;The utility model reaches the effect of reducing construction difficulty, facilitating worker installation, solves the high complexity of existing mould, difficult to realize mass production, substantially increase the cost of mould processing, and the precision requirement of on-site hoisting is high, increase the construction difficulty of staff, reduce the problem of work efficiency.

This invention discloses a dual-filtration sequential high-clearance hemodialysis filtration device and method, belonging to the field of medical device technology. The invention comprises five units: dual-filtration sequential filtration, parameter acquisition, intelligent control, fluid delivery, and flushing / reinfusion. The filtration unit consists of a primary coarse filter, a secondary fine filter, and a dialyzer connected in series, all using micro-wave-shaped hollow fiber high-flux polysulfone membranes to achieve graded convection filtration of medium and large molecules and diffusion clearance of small molecules based on gradient pore sizes. The parameter acquisition unit acquires real-time data from the entire process using multiple sensors. The fluid delivery unit provides power and fluid delivery using a precision adjustable pump. The intelligent control unit incorporates three core algorithms to drive the coordinated operation of each unit, achieving intelligent preoperative parameter matching, dynamic intraoperative adjustment of transmembrane pressure and other process parameters, and postoperative sequential alternating flushing of the two catheters. This invention achieves graded blood purification and safe reinfusion of residual blood, improving the efficiency and intelligence level of dialysis filtration.

This invention belongs to the field of blast furnace operation and longevity technology, and relates to a combined cooling structure and cooling process for stabilizing the internal shape of a blast furnace belly. The combined cooling structure includes: a belly cooling wall, continuously arranged circumferentially along the inner side of the furnace shell, with its hot surface protruding inwards, such that the hot surfaces of multiple belly cooling walls together form a continuous inclined plane consistent with the designed belly angle α; a first cooling plate layer, continuously arranged circumferentially along the lower part of the belly cooling wall, and extending radially in the blast furnace to cover the lower end of the belly cooling wall; and a second cooling plate layer, composed of multiple second cooling plates arranged below the first cooling plate layer. This invention, through its innovative structural design of the hot surface of the belly cooling wall protruding inwards and the continuous arrangement of the first cooling plate layer forming a protective eave, solves the problem of internal shape instability caused by changes in refractory or slag thickness.

The present application relates to the technical fields of synthetic biology and microbial metabolic engineering, in particular to a substrate-specific division of labor Saccharomyces cerevisiae mixed bacterial system, a construction method thereof and application of beta-carotene production, wherein a substrate utilization non-crossing Saccharomyces cerevisiae mixed bacterial system is established by constructing a glucose-specific utilization strain YG1 and a lactic acid-acetic acid-specific utilization strain YA2; wherein the YG1 realizes glucose-specific utilization by knocking out the ADY2 gene, the YA2 realizes efficient utilization of lactic acid and acetic acid by integrating the SO1522 gene and the ACKA-PTA acetic acid assimilation pathway, and the HXT7 and GAL2 sites are modified; the mixed bacterial system constructed by the present application can realize the synergistic utilization of mixed carbon sources such as glucose, lactic acid and acetic acid, and improve the beta-carotene synthesis efficiency and fermentation stability.

The application discloses a content recommendation method, device and equipment based on co-occurrence matrix optimization. Firstly, the keywords and the word frequency of the keywords in the target text material are used to generate a scoring result vector by using a pre-constructed co-occurrence matrix. In addition, a content transfer matrix is constructed based on the co-occurrence of the content of each pair of target types in each historical text material. A content co-occurrence graph with corresponding content as the vertex and the transfer probability as the edge weight is constructed based on the content involved in the co-occurrence matrix and the content transfer matrix. In the content co-occurrence graph, the semantic weighted score in the scoring result vector is used as the initial weight of the corresponding vertex, and the weight of the vertex in the content co-occurrence graph is iterated by using the content transfer matrix. The content recommendation list of the target text material is generated by combining the weight of each vertex after multiple iterations and the semantic weighted score of each content. The above steps realize effective transmission of important information, improve the accuracy of content recommendation and the utility of recommended content.

The application belongs to the field of biomedical materials and biomedical engineering technology, and discloses a natural hydrogel nanoparticle with mecobalamin sustained release and a preparation method and application thereof. The preparation method is as follows: calcium carbonate nanoparticles are dispersed in water, loaded with mecobalamin to obtain drug-loaded nanoparticles; boric acid is modified on silk fibroin to obtain boric acid-modified silk fibroin; purified peach gum is reacted with sodium periodate under light-proof conditions to obtain aldehyde-modified peach gum; the drug-loaded nanoparticle suspension is mixed with the aldehyde-modified peach gum, and then the boric acid-modified silk fibroin is added to obtain the natural hydrogel nanoparticle with mecobalamin sustained release. The hydrogel has excellent biocompatibility, drug sustained release, self-repair and other functions, and can be applied to nerve injury repair.

The invention relates to the technical field of batteries, in particular to a multi-piece composite unit piece manufacturing device, a piece stacking system and a pole group manufacturing method. The first discharging mechanism and the composite assembly are arranged at an interval; the film covering assembly is arranged between the first discharging mechanism and the compounding assembly; the second discharging mechanism and the composite assembly are arranged at an interval; and the insulating film cutter and the composite assembly are arranged at an interval. According to the multi-piece composite unit piece manufacturing device, in the piece manufacturing stage, a plurality of first pole pieces and a plurality of second pole pieces can be manufactured at a time, so that the piece manufacturing efficiency is remarkably improved, sufficient pole piece reserve is provided for subsequent operations such as piece stacking and hot pressing, and the production efficiency of pole set manufacturing equipment is improved; and the output can be multiplied without increasing the operation speed of each processing flow, so that the operation efficiency of the pole group manufacturing equipment is remarkably improved.

The utility model relates to the technical field of machining, in particular to a zero-point positioning machining tool based on a mother-son board structure, which comprises a square box, a plurality of mother boards are fixedly mounted on the outer wall of the square box through screws and mother board positioning pins, and an air pressure locking mechanism is mounted at the lower end of each mother board. A plurality of reference seats are fixedly mounted at the outer end of each mother board, positioning hole systems are formed in the outer ends of the reference seats, daughter boards are arranged at the outer ends of the reference seats, parts are mounted on the daughter boards, the daughter boards are mounted at the outer ends of the mother boards, and under the condition that each part is provided with one daughter board, multi-variety, multi-standard, multi-product and multi-standard production can be realized under the condition that the mother boards are not changed. By means of rapid machining with few clamps, alignment time and tool setting time before machining are omitted, and by means of simultaneous machining of multiple parts, the utilization rate of equipment is increased, the labor intensity of workers is reduced, and the production efficiency is improved.

The invention discloses a laboratory environment regulation and control auxiliary system based on artificial intelligence. The system comprises a data acquisition module, a laboratory scene recognition module, a laboratory environment suitability evaluation module, a laboratory environment regulation and control strategy generation module and an environment intelligent regulation and control auxiliary module. The invention relates to the technical field of data processing, in particular to a laboratory environment regulation and control auxiliary system based on artificial intelligence, which innovatively introduces a laboratory scene recognition module to recognize a laboratory scene in real time and effectively improve the environment regulation and control precision; a clustering center based on mahalanobis distance is introduced to initialize, a laboratory scene recognition objective function fused with prior reinforcement constraints is constructed, a weak correlation clustering center recognition strategy and membership redistribution optimization are used for carrying out clustering algorithm improvement, and the accuracy of laboratory scene recognition is improved; and a historical optimal position memory mechanism is introduced, and a dimension learning neighborhood search strategy is adopted to improve an optimization algorithm, so that the precision of a laboratory environment regulation and control strategy is improved.

This invention belongs to the field of photocatalyst materials technology, specifically relating to a three-dimensional graphene aerogel photo-self-propelled Fenton catalyst, its preparation method, and its application. The preparation method includes: mixing a graphene dispersion containing ethylenediamine with a phenolic resin prepolymer containing ferrocene, phenols, and an alkaline catalyst; followed by a one-step hydrothermal reaction, washing, and freeze-drying to obtain the three-dimensional graphene aerogel photo-self-propelled Fenton catalyst. This catalyst can be used to degrade organic pollutants in water under visible light irradiation.

This invention discloses a cloud platform computing power resource allocation system and method based on load balancing, relating to the field of computing power resource allocation technology. The application includes: constructing a computing power supply and demand matching platform, connecting with idle computing power resource providers, and receiving computing power requests from computing power resource lessors; based on the computing power requests from the lessors, determining the cluster time, and allocating idle computing power resources to the lessors in the cluster; the lessors setting up key communication, and after key verification, the system accessing the cloud platform of the allocated lessor, achieving intelligent decision-making and optimizing the scheduling of allocated idle computing power resources in the cloud platform. This invention can maximize overall resource utilization, reduce operating costs, minimize task execution latency, and improve user experience. Simultaneously, dynamic allocation based on computing power sharing and cluster processing according to different time nodes improves the overall utilization efficiency of computing power resources.

The invention discloses a four-door two-cover flexible trimming die switching system, and relates to the technical field of automobile manufacturing equipment.The four-door two-cover flexible trimming die switching system comprises a lightweight trimming die unit and a switching mounting base, and the lightweight trimming die unit is detachably mounted on the switching mounting base through a robot grabbing device; the bottom of the light-weight edge rolling die unit is provided with a gun changing disc butt joint part, and the switching installation base is provided with an electric quick-plug device and a positioning locking device which are matched with the gun changing disc butt joint part. According to the invention, a split type framework of the lightweight trimming die unit and the switching mounting base is adopted, and a full-automatic die switching system is constructed through a robot automatic grabbing and gun changing disc rapid butt joint technology. A gun replacing disc butt joint part arranged at the bottom of the die body, an electric quick-plug device of the base and a positioning locking device form a standard interface, and a robot is matched for accurate grabbing and positioning, so that the die replacing process is optimized from traditional manual hoisting calibration to machine autonomous recognition butt joint.

This invention relates to a polyester with antibacterial and antiviral functions, its preparation method, and its application. The polyester with antibacterial and antiviral functions is a cationic polymer guanidine salt-supported antibacterial and antiviral polyester. The preparation method includes the following steps: modifying the cationic polymer guanidine salt with a compound containing multiple functional groups to obtain a reactive antibacterial and antiviral adjuvant; during the polymerization of the polyester, adding the reactive antibacterial and antiviral adjuvant, terephthalic acid, diol, and catalyst in a single batch to a polyester reactor to obtain an antibacterial and antiviral random copolyester; or, copolymerizing the reactive antibacterial and antiviral adjuvant with diethyl terephthalate (BHET) to obtain an antibacterial and antiviral copolyester. Compared with the prior art, the polyester obtained by this invention exhibits no dissolution of the antibacterial and antiviral components, uniform dispersion, excellent durability, and good color value in the resulting fiber product.