27results about How to "Convenient time" patented technology

The application provides a method for inducing poly-podophylli rhizoma by using clump buds, comprising the following steps: S1, cutting stem segments from a podophylli rhizoma mother plant, soaking and cleaning to obtain explants; S2, disinfecting and cleaning the explants, inoculating into a clump bud induction medium to obtain podophylli rhizoma clump buds; S3, inoculating the clump buds into doubling liquid I, washing with a liquid clump bud induction medium after culture, and then transferring into doubling liquid II; S4, taking out the clump buds, cleaning, inoculating into a clump bud induction medium, and then inoculating into a bud proliferation medium; S5, waiting until 1-2 cm, screening out potential mutant strains through phenotypes, inoculating into the bud proliferation medium for subculture, and obtaining mutant plants; and S6, rooting culture of the mutant plants, and after root systems grow, planting and raising seedlings, and then poly-podophylli rhizoma plants are obtained. In the research, suitable concentration of colchicine is used for induction treatment twice, and through stage concentration switching and intermittent recovery strategies, the poly-ploid induction efficiency and explant survival are effectively considered.

The invention discloses background layer updating during coding. A method performed by an image processing apparatus for updating a background layer during encoding of a scene is provided. A scene is encoded based on classifying objects depicted in the scene as foreground or background. The background is divided into ranked background layers, wherein each background layer is associated with a respective depth model. The method comprises detecting (S102) a change in an image portion of a background layer. The method comprises calculating (S104) a difference between the image portion and a corresponding image portion of a background layer ranked behind the one background layer. The method comprises selecting (S106a) the background layer ranked behind the one background layer to represent the image portion when the difference is less than a threshold.

The invention relates to a silicon wafer resistivity testing method and device. The method comprises the following steps: controlling a laser beam to heat a surface area of a to-be-tested silicon wafer, so that the surface temperature of the to-be-tested silicon wafer reaches a target temperature, and continuously heating for a preset duration after the target temperature is reached, so that an oxygen cluster formed in the to-be-tested silicon wafer is decomposed into interstitial oxygen; controlling the laser beam to leave the surface area of the silicon wafer to be tested; and under the condition that the to-be-tested silicon wafer is cooled, measuring the resistivity of the to-be-tested silicon wafer. According to the method, the silicon wafer is rapidly heated to the target temperature through laser, oxygen clusters are decomposed, after heating is stopped, a heat source disappears instantly, the silicon wafer can be rapidly cooled without external force, the situation that the silicon wafer stays for a long time in the interval of 300-500 DEG C, interstitial oxygen is gathered again to form the oxygen clusters is avoided, and therefore the problem of silicon wafer resistivity test distortion is solved, and the test efficiency is improved. And the test efficiency can be improved, the process is simple, and the cost is low.

The application relates to the technical field of disinfection equipment, in particular to an external disinfection cabinet, which comprises a cabinet body with a containing space and a plurality of drawer assemblies arranged in the containing space, and one or more of the drawer assemblies are disinfection drawer assemblies; after the disinfection drawer assemblies are pulled out of the cabinet body, disinfection tubes are exposed outside the containing space; the disinfection drawer assembly comprises a drawer part, sliding parts are arranged at the two ends of the drawer part, and a plurality of disinfection tubes are arranged on the drawer part; the disinfection tubes are arranged on the drawer part and irradiate the outside of the drawer part. The external disinfection cabinet can not only disinfect kitchenware and tableware stored in the cabinet, but also disinfect the environment outside the disinfection cabinet.

The application discloses an image semantic segmentation model which is composed of a designed mixed attention focusing method, an attention rectification residual module (ARRM) and a mixed feature integration module (MFFM), is trained in a deep supervision mode as a whole, is reasonably provided with deformable convolution, is combined with a constructed multi-scale spatial attention module (MSP) and a double-pooling attention module (DPA) to be jointly optimized, and the problem of small target feature segmentation difficulty is solved. In order to reflect the excellent performance of the model on a downstream task, the training between different data sets is completed in a transfer learning mode, and the application range of the model is expanded. Finally, grouping convolution is added in the backbone network, the calculation cost is greatly reduced, and the problem of high training cost of the segmentation model is solved under the premise of guaranteeing the segmentation effect.

This invention relates to the field of pharmaceutical technology and discloses a novel freeze-drying process for the self-assembled peptide RADA16. This process addresses the problem that existing freeze-drying processes cannot achieve the ideal fluffy powder state for the self-assembled peptide RADA16. By optimizing the temperature, time, and operation methods of each step (pre-freezing, first-stage annealing, second-stage annealing, and freeze-drying), the freeze-dried self-assembled peptide RADA16 exhibits a fluffy powder state with significantly reduced internal moisture content, high long-term storage stability, and no impact on its basic properties. The novel freeze-drying process for the self-assembled peptide RADA16 provided by this invention shortens the freeze-drying time, improves product quality, and is suitable for the industrial production of the self-assembled peptide RADA16.

A radiation detector includes: a scintillator including a pair of end surfaces opposing each other in a first direction and one side surface coupling the pair of end surfaces; a semiconductor photodetector including a semiconductor substrate; and a wiring member electrically connected to the semiconductor photodetector. A length of the scintillator in the first direction is longer than a length of the scintillator in a second direction orthogonal to the one side surface. A length of the one side surface in the first direction is longer than a width of the one side surface in a third direction orthogonal to the first direction and the second direction. The semiconductor substrate includes a photodetection region disposed in a first portion and a first electrode and a second electrode disposed in a second portion. The photodetection region includes a plurality of avalanche photodiodes arranged to operate in Geiger mode and a plurality of quenching resistors.

The invention discloses an atropine derivative and a preparation method and application thereof, and belongs to the technical field of medical preparations, the atropine derivative and a salt or a pharmaceutical composition thereof can be used as a ciliary muscle paralysis agent and / or a mydriasis agent; the choroid and sclera functions can be regulated and controlled by improving choroid microcirculation and sclera hypoxia environment, inhibiting an HIF-1alpha signal channel and directly targeting sclera fibroblasts to inhibit extracellular matrix generation and remodeling; the medicine is used for relieving muscae volitantes symptoms; amblyopia, lazy eye diseases or myopia can be relieved; for treating or preventing myopia; the traditional Chinese medicine composition has good maintenance time and treatment effect, can obviously reduce the use frequency and use amount, improves the use experience, and reduces the medicine use cost.

The utility model belongs to the technical field of range hoods, and particularly relates to a kitchen range hood which comprises a range hood body, a protective cover is fixedly connected to the bottom of the outer side wall of the range hood body; a plurality of first supporting columns are fixedly connected to the inner side wall of the protection cover. An oil net is fixedly connected to the outer side wall of the first supporting column; the bottom of the outer side wall of the protection cover is fixedly connected with a sliding groove. The inner side wall of the sliding groove is in sliding contact with a collecting box. The length of the sliding groove is half of the length of the collecting box. A second supporting column is fixedly connected to the inner side wall of the range hood body; the outer side wall of the second supporting column is in sliding contact with a connecting block. A cleaning plate is fixedly connected to the bottom of the outer side wall of the connecting block; the cleaning plate is in contact with the inner side wall of the collecting box; and by arranging a cleaning plate and a first threaded rod, oil stains adhered to the inner side wall of the collecting box are cleaned and scraped, the phenomenon that a user needs to use a brush and the like for secondary cleaning due to oil stain adhesion when the user pours the collecting box is reduced, and the time spent by the user in pouring the oil stains is shortened.

The application discloses basalt fiber-based strong penetration ceramic tile glue and a preparation method thereof. The ceramic tile glue comprises the following components: 40-60 parts of Portland cement, 50-80 parts of quartz sand, 0.5-1.5 parts of basalt fiber, 5-15 parts of redispersible latex powder, and 2-5 parts of water-retaining agent. The basalt fiber is subjected to phosphatization treatment on the surface. The redispersible latex powder comprises siloxane-modified vinyl acetate-ethylene copolymer and long-chain alkyl grafted polyvinyl alcohol at a mass ratio of 3-4:1. The siloxane-modified vinyl acetate-ethylene copolymer is prepared by free radical copolymerization of vinyl acetate-ethylene copolymer and alkenyl siloxane compound at a mass ratio of 100:3-6. The application aims to solve the problems of low bonding strength and easy hollowing and falling of the existing ceramic tile glue in a high-humidity environment.

The present invention relates to a coating composition which is an anticorrosive paint for ship structures and can be coated by a regular airless painting machine, and is solvent-free or contains a low solvent content. The coating composition according to an embodiment of the present invention may exhibit excellent pot life, atomization and drying time, and is eco-friendly due to having a high solid content and thus lower VOC emissions.

The invention relates to an order process merging workshop scheduling method and system based on operation level constraints. The method comprises the steps of obtaining production data; establishing a mixed integer programming scheduling model taking the minimization of the maximum completion time and the minimization of the assembly time as targets; order combination constraints, process combination constraints and operation level constraints are integrated in the mixed integer programming scheduling model; and an improved grey wolf optimization algorithm is established to solve the mixed integer programming scheduling model, an optimal scheduling scheme is output, the improved grey wolf optimization algorithm combines a double-layer coding scheme of three constraints, a mixed initialization population strategy and an improved hunting mechanism, and a variable neighborhood search and simulated annealing dynamic acceptance mechanism is integrated, so that the optimal scheduling scheme of the hybrid integer programming scheduling model is obtained. Global exploration and local development capabilities are enhanced, so that an optimal scheduling scheme is obtained; and finally outputting the dispatching Gantt chart and issuing and executing. The scheduling problem caused by a complex assembly relation and too long preparation time in multi-variety small-batch production is effectively solved, and the production period is remarkably shortened.

This utility model discloses a sea sand filter material dryer, comprising: a conveying mechanism configured in an inclined state; and a drying mechanism disposed on one side of the conveying mechanism. The conveying mechanism includes a conveyor belt with two rollers symmetrically arranged inside it. Baffles for holding sea sand are fixedly connected at equal intervals to the surface of the conveyor belt, and grooves for drainage are equally spaced on the conveyor belt. The drying mechanism includes a drying chamber with a filter structure mounted above it. The filter structure includes a filter frame, which is fixedly connected to the drying chamber via a connecting frame. This utility model requires only a single drive motor to synchronously drive the vibrating screening of the conveying mechanism and the filter structure. It features a compact structure, low energy consumption, and achieves automated and continuous processing from wet sand input to dry sand output.

The application discloses a transformer fault prediction method and system, and relates to the technical field of power equipment.The method comprises the following steps: collecting the start-stop action times of each time window, and determining the temperature control response lag coefficient of each time window by analyzing the temperature control lag level of the cooling control system in the power transformer when the cooling control system faces power mutation; analyzing the non-steady-state operation degree of the cooling control system in the corresponding time window to determine whether the temperature control state of the cooling control system affects the normal operation of the power transformer, and issuing a transformer fault prediction instruction; combining the power consumption drift and voltage frequency spectrum disturbance of the power transformer in each time window, analyzing the non-normal operation degree of the power transformer in the corresponding time window, performing digital model analysis on the non-normal operation index of the power transformer in each time window, generating a corresponding grade fault prediction signal, and performing corresponding voice broadcast reminding.

The application discloses a tunnel section delay blasting excavation method with grading, layering and porosity linkage, which comprises the following steps: according to the rock strength, integrity coefficient and underground water state of surrounding rock, a tunnel face is divided into several surrounding rock grading areas; an excavation section is divided into several excavation layers along the vertical direction, and the control surrounding rock grade corresponding to each excavation layer is determined; the representative porosity of the rock mass in each layer is measured, and the blast hole arrangement parameters and single-hole charge quantity of each layer are determined; according to the control surrounding rock grade and representative porosity of each excavation layer, the delay blasting time sequence of the blast holes in different positions in each layer is determined, and each blast hole is blasted according to the delay blasting time sequence; after blasting and ventilation, concrete is sprayed to close the rock surface, and a steel arch is installed. The application realizes fine design of blasting parameters and differential control of the section delay blasting time sequence, thereby effectively inhibiting the large deformation of soft rock, reducing the collapse risk, and improving the construction safety and efficiency.

The application discloses a clock spur detection circuit and a detection method, and belongs to the technical field of integrated circuits.The clock spur detection circuit comprises a rising edge sampling module and a falling edge sampling module;the sampling output ends of the rising edge sampling module and the falling edge sampling module are connected with a level period calculation module; the output end of the level period calculation module is connected with a clock spur detection module; and the output end of the clock spur detection module is connected with an automatic judgment unit.The application further discloses a clock spur detection method.The clock spur detection circuit and the detection method avoid missing detection and wrong detection of clock spur by sampling the edges of a detected clock by the clock itself and obtaining the clock period without counting.

This invention relates to the field of flexible display technology and discloses a flexible polyimide display substrate and its preparation method. The method includes: firstly, preparing a polyamic acid slurry containing specific functional fillers; coating it onto a carrier substrate and imidizing it via programmed temperature rise to obtain a flexible substrate; subjecting the substrate surface to plasma treatment to improve its surface energy; subsequently constructing a conductive layer and an encapsulation layer sequentially to form a multilayer composite structure; and finally, after annealing, peeling it off from the carrier substrate to obtain the final display substrate. The functional filler is composed of modified nano-silica and surface-modified two-dimensional boron nitride nanosheets. The resulting flexible polyimide display substrate exhibits high transparency, low coefficient of thermal expansion, high dimensional stability, flexibility, and water and oxygen barrier properties. This invention improves the overall uniformity, dimensional stability, and reliability of the final flexible substrate's mechanical and thermal properties.

The application belongs to the technical field of polymer material processing, and relates to a polyurethane oil cup material, a polyurethane oil cup product, and a preparation method and application thereof. The polyurethane oil cup material comprises polyurethane resin, core-shell structure toughening agent and nano filler in specific proportions. The core-shell structure toughening agent and the nano filler are added to realize synergistic toughening. On the premise of not sacrificing the excellent oil resistance and heat resistance of the polyurethane resin, the impact toughness and stress cracking resistance of the material are significantly improved. In combination with a delayed pressure injection molding process, the molecular chain orientation stress and thermal stress of the polyurethane material in the injection molding process are actively inhibited and reduced, so that the finally obtained polyurethane oil cup product has excellent stress cracking resistance and long-term durability, and completely meets the most stringent use requirements.

The application discloses an ultrasonic gas meter acquisition board consistency detection system and a method thereof, and relates to an ultrasonic gas meter acquisition board consistency detection system, which comprises a synchronization module, a control module and an acquisition module. The synchronization module is connected with the control module and the acquisition module respectively and is used for providing synchronization signals to the control module and the acquisition module. The control module is used for receiving waveform data and storing, and outputs reading instructions after a preset delay according to the synchronization signals. A signal generation module is connected with the control module and is used for converting the waveform data into analog excitation signals and outputting the analog excitation signals to the measured meter acquisition board in response to the reading instructions. The acquisition module is used for collecting response signals generated by the measured meter acquisition board under the excitation of the analog excitation signals according to the synchronization signals, so that the output of the analog excitation signals is synchronized with the collection of the response signals. A processing module is connected with the acquisition module and is used for extracting characteristic parameters of the response signals and outputting a consistency detection result according to the comparison result of the characteristic parameters and reference parameters.

The invention provides a multi-node space-time synchronous scheduling method supporting distributed co-simulation, and relates to the technical field of ship scheduling, and the method comprises the steps: obtaining a historical distribution probability of each factor type according to a ship type, a navigation influence coefficient and a starting destination in historical data; the simulation occurrence probability of each factor type is calculated by fusing random numbers and serves as input data of a ship running simulation model, a dispatching model is constructed through a graph neural network, ships are dispatched, simulation ships are established, and according to the ship running simulation model, the navigation speed and position of the simulation ships are output and serve as input of the dispatching model; and scheduling the simulation ship, calculating a comprehensive evaluation value of the scheduling area according to the navigation speed, the navigation time, the navigation distance and the ship position of the simulation ship scheduled by the scheduling model, and scheduling the ship in real time after the comprehensive evaluation is satisfied.

The utility model relates to the technical field of carbon paper, in particular to a solvent preparation system for carbon paper and a pulping production line.The solvent preparation system for the carbon paper comprises a water supply device, an alcohol supply device and multiple sets of preparation devices, each preparation device comprises a stirring cylinder and a feeding mechanism, each stirring cylinder comprises a water injection opening, an alcohol injection opening and a material injection opening, and the water supply device communicates with the water injection openings; the alcohol supply device is communicated with the alcohol injection ports, the material supply mechanism is correspondingly communicated with the material injection ports, and each group of preparation devices is used for preparing one solvent. The device is provided with multiple sets of preparation devices, different components are stirred respectively, it is ensured that each component is dispersed and dissolved under the optimal stirring condition, the problem that multiple components interfere with one another during mixing and stirring is avoided, and the uniformity of slurry is improved; each component is stirred under the optimal condition, so that the stirring time is shortened, and the pulping efficiency is improved; each solvent is independently prepared, so that the proportion of different components can be conveniently adjusted in slurry preparation, the formula is flexibly adjusted, and the requirements of different application scenes of the carbon paper are met.

The application provides a user environment scene recognition method, system and electronic equipment, comprising: sequentially completing multi-modal original data acquisition and alignment, noise reduction and normalization, multi-scale feature extraction, time sequence structure decision and dynamic network structure adjustment, through constructing time sequence consistency gating mechanism and dynamic structure interpolation control signal, realizing adaptive smooth adjustment of channel activation number and attention head number of a lightweight mixed backbone network, and then driving a learnable soft mask to sparsely schedule backbone network level calculation on demand, finally completing efficient and accurate environment scene recognition, the application effectively improves the calculation efficiency and inference accuracy of the scene recognition model under the condition that the terminal device resources are limited, and has good structure continuity and hardware adaptability.

The application discloses a kind of electroplating production line unloading link multi-carrier plate grabbing timing dynamic scheduling method, comprising: based on the expected time of carrier plate completion electroplating priority ordering, generate initial grabbing priority list;Using shortest path priority rule planning conflict-free grabbing order, obtain optimized grabbing timing sequence;Combining mechanical arm action time and moving time, judge and eliminate the time overlap or space interference of adjacent grabbing action;According to the execution grabbing timing sequence, assign initial unloading position to each carrier plate, so that mechanical arm can place carrier plate with the shortest moving distance after grabbing, generate unloading position mapping table;The execution grabbing timing sequence and unloading position mapping table are matched, and the mechanical arm execution instruction sequence is generated.The application can realize seamless connection and efficient flow of multi-carrier plate in unloading link, reduce mechanical arm empty running and waiting time, reduce carrier plate retention risk, improve the overall operation efficiency of electroplating production line.

The invention discloses a strong-permeability ceramic tile adhesive based on basalt fibers and a preparation method thereof. The ceramic tile adhesive is prepared from 40-60 parts of Portland cement, 50-80 parts of quartz sand, 0.5-1.5 parts of basalt fiber, 5-15 parts of redispersible latex powder and 2-5 parts of a water-retaining agent, the surface of the basalt fiber is subjected to phosphorylation treatment; the redispersible latex powder comprises a siloxane modified vinyl acetate-ethylene copolymer and long-chain alkyl grafted polyvinyl alcohol in a mass ratio of (3-4): 1; the siloxane modified vinyl acetate-ethylene copolymer is prepared from a vinyl acetate-ethylene copolymer and an alkenyl siloxane compound in a mass ratio of 100: (3-6) through free radical copolymerization. The invention aims to solve the problems of low bonding strength and easiness in hollowing and falling of the existing ceramic tile adhesive in a high-humidity environment.

This application discloses a method, device, equipment, storage medium, and program product for tunnel flooding early warning, relating to the field of tunnel early warning technology. The method includes: based on a simulation model, determining the tunnel passage time required for vehicles to pass through the tunnel when the tunnel flooding level reaches the maximum flooding threshold; calculating the current flooding level and the current congestion level to determine the current tunnel early warning level; if the current tunnel early warning level reaches the pre-alarm level, determining the maximum flooding warning time when the tunnel flooding level reaches the maximum flooding threshold using the simulation model; determining the actual warning time based on the difference between the maximum flooding warning time and the tunnel passage time; and deducing the flooding level corresponding to the actual warning time based on the simulation model; and issuing a final alarm when the tunnel flooding level reaches the warning level. This application improves the accuracy of tunnel early warning.