85results about How to "Cost control" patented technology

The application provides a detection device for rubber semi-products, and belongs to the technical field of tire detection. In view of the problems of detection dead angle and the inability to detect defects in the thickness detection device for rubber semi-products, the application comprises a workbench, a thickness detection module slidingly arranged on the workbench, the thickness detection module comprising two laser displacement sensors with round dot light spots symmetrically arranged on the upper and lower sides of the avoidance channel, the connecting line between the emitting end and the receiving end of the laser displacement sensor being perpendicular to the extension direction of the avoidance channel, so that the measurement plane of the laser displacement sensor is perpendicular to the detection direction of the rubber semi-product, a defect detection module arranged above the workbench and located on the side of the thickness detection module away from the avoidance channel, and a light source. The application integrates the thickness detection module and the defect detection module, realizes multifunctional detection of the same device, and realizes low-cost and dead-angle-free detection through the specific thickness detection module and the specific installation direction.

The invention belongs to the technical field of synthesis of extraction agents, and particularly relates to a preparation method and application of amido diphosphinic acid. The preparation method comprises the following steps: (1) mixing a solvent, primary amine, cyclohexylphosphinic acid and inorganic acid, and heating until the solution is clear and transparent; (2) adding a formaldehyde solution or paraformaldehyde into the clear and transparent solution for reaction; and (3) removing a water phase from the mixture obtained after the reaction in the step (2) is finished, dissolving jelly obtained after the water phase is removed by using dichloromethane, and carrying out washing, rotary evaporation and drying to obtain the amido diphosphinic acid.

This invention relates to a method for manufacturing a composite rotationally symmetric component (10) of varying thickness for a gas turbine, comprising: producing a fiber fabric (140) in the form of a mesh by three-dimensional or multi-layer weaving; winding the fiber fabric (140) in multiple overlapping layers (141, 142, 143, 144) onto a mandrel (200) with a profile corresponding to the casing to be manufactured, to obtain a fiber preform with a shape corresponding to the casing to be manufactured; and densifying the fiber preform by a matrix. During the winding of the fiber fabric (140) onto the mandrel, a fabric web (150) is placed between at least one or more adjacent turns of the fiber fabric, the fabric web (150) having a structure different from the three-dimensional weaving and in the axial direction (D... A The width of the ) is smaller than the width of the fiber fabric (140).

The application discloses a bidirectional diaphragm pump, comprising a pump one and a pump two, wherein the pump one and the pump two are respectively provided with a first booster cavity and a second booster cavity, the pump one and the pump two are connected in airtight mode with a pump head body and a support frame, the pump head body is provided with a first water port, a second water port and a first water outlet cavity, the support frame is provided with a second water outlet cavity, the first water port and the second water port are respectively connected with the first booster cavity and the second booster cavity, the first booster cavity and the second booster cavity are respectively connected with the first water outlet cavity and the second water outlet cavity, a water sealing sleeve ring one is formed on a water channel connected with the first water outlet cavity and the second water port, a water sealing sleeve ring two is formed on a water channel connected with the second water outlet cavity and the first water port, and a flow control assembly for alternately controlling the water sealing sleeve ring one and the water sealing sleeve ring two to seal or conduct the water channel is arranged between the first water outlet cavity and the second water outlet cavity. The application does not need to increase additional accessories on the water channel, the corresponding pipeline design is simpler, the cost is controlled, and the applicability is stronger.

The utility model relates to the technical field of bridge construction, and discloses a crossing movable platform attached to a high-altitude bridge, which comprises a space structure body, the top end of the space structure body is fixedly connected with the bottom surface of the bridge, and the space structure body comprises a plurality of polygonal annular frames; each polygonal annular frame comprises a polygonal bottom frame and vertical supporting frames distributed in the circumferential direction of the bottom frame. The multiple polygonal annular frames are sequentially arranged in the length direction of the bridge. The anti-falling net is arranged on the bottom surface and the circumferential direction of the space structure body in a tensioning manner; the climbing entertainment device is located in the space structure body and attached to the space structure body; the corners of the bottom frames of every two adjacent polygonal annular frames are aligned at the top points and connected through circumferential dampers used for consuming horizontal vibration, and metal dampers used for consuming vertical vibration are arranged between the top of the space structure body and the bridge. The technical problems that an ultra-long movable platform attached to a high-altitude bridge is greatly influenced by wind shock, and the sense of safety of tourists is low are solved.

The application provides a preparation method of dihydroxy boron phenylalanine and intermediates thereof. The method comprises the following steps: mixing 4-halogen-Boc-L-phenylalanine of formula (II) with an alkyl borate, and adding a Grignard reagent to obtain an intermediate compound of formula (I): (I) (II).

A semiconductor processing device and its base support assembly include a central support pillar and at least three edge support pillars. The central support pillar coincides with the central axis of the base, limiting base eccentricity after heating and solving the eccentricity problem caused by the different linear expansion of the support pillar and the base. By reducing the cross-sectional area of ​​the central support pillar, the influence of light refraction and reflection on the thermal radiation optical path of the base is reduced. By reducing the contact area between the support pillar and the base, temperature conduction is reduced, thereby improving temperature uniformity. Each support pillar includes an upper pillar and a lower pillar made of different materials. The light absorption rate of the upper pillar is the same as or similar to that of the base, making the temperature difference between the upper pillar and the base approach zero, ensuring good temperature uniformity of the base. The upper pillar has extremely low thermal conductivity, which can block heat conduction from the upper pillar to the lower pillar, reducing heat loss, ensuring heat balance of the base, and improving the temperature distribution uniformity of the substrate.

The utility model relates to the field of liquid containing water utensil, specifically discloses a kind of quick locking mechanism of container cover, container cover and container, it is by driving source to drive rotating member rotation, utilize the drive part on rotating member to drive locking component work a kind of quick locking mechanism of container cover, when drive part turns to the position of top locking component, realize quick locking, turn to the release of locking component, to achieve the purpose of quick locking and unlocking.The utility model includes driving source, rotating member and be used for locking component for fixing container cover on container;Rotating member is equipped with drive part, rotating member is used to drive drive part rotation, drive part realizes locking when top locking component in rotation process, realizes release when separating locking component;The utility model is whether locking or unlocking, speed is very fast, convenient to use, simple structure, can be realized by very few components, can effectively control cost.

The invention discloses a linkage control method, device, equipment and system for a smoke purifier, and the method comprises the steps: S100, monitoring the working power of external equipment through a power detection circuit, and enabling the power detection circuit to be in lap joint with a power interface of the external equipment through an adapter; s200, comparing the working power with a preset power threshold value, wherein the preset power threshold value represents the power of the external equipment entering the working state; s300, when the working power exceeds a preset power threshold value, generating an effective level trigger signal; and step S400, sending the high level trigger signal to a smoke purifier host through an audio transmission line, so that the smoke purifier host starts a fan to perform smoke purification operation in response to the effective level trigger signal. Smoke purification linkage control which is low in cost and wide in compatibility with the third-party equipment is achieved under the condition that the smoke purifier and the third-party equipment are not damaged.

The utility model relates to a kind of seats, more particularly to a gynecological examination table, it includes: base;Bed body, bed body includes sequentially connected first folding part, second folding part and third folding part;First fixing device, first fixing device includes first rotary lever and first fixed sheet, first fixed sheet is provided with first positioning hole, first rotary lever is installed on base, the rotation axial direction of first rotary lever is parallel with the rotation axial direction of first folding part, first fixed sheet is fixedly connected with first rotary lever, first folding part is provided with first positioning rod in the direction of first fixed sheet, first positioning rod is rotatably connected with first folding part, first positioning rod is arranged in first positioning hole;Same still be provided with corresponding second fixing device.By the structure of the utility model, it can be through the friction jam between positioning rod and fixed sheet, simple structure, realize the seat adjustment structure of easier installation, and cost is lower.

The invention discloses a modified fly ash ceramsite proppant and a preparation method thereof, and a combined proppant and a preparation method and application thereof, and relates to the technical field of shale oil and gas fracturing. The modified fly ash ceramsite proppant comprises the following components which are mixed and granulated: fly ash, bauxite, barite powder, a recycled molecular sieve, a recycled mesoporous material, optional calcite powder and optional bentonite. The environment-friendly propping agent disclosed by the invention solves the problems of high production cost and application cost of the fracturing propping agent taking aluminum-containing minerals as main raw materials, and takes the harmless treatment of recyclable resources and industrial wastes in the whole industrial chain of the petrochemical industry into consideration, and the industrial wastes of the downstream of the oil refining and chemical industry are applied to the upstream petroleum fracturing propping agent.

The application discloses a mechanical-chemical preparation method of potassium borohydride, and belongs to the technical field of potassium borohydride preparation. The method is characterized in that magnesium-based reducing agent, hydrogen supplementing agent and potassium borate hydrate are used to prepare potassium borohydride through a mechanical-chemical method under a protective atmosphere, and the prepared potassium borohydride is subjected to yield testing and purification under an air atmosphere. The method can realize solid-phase mechanical-chemical reaction under a vibration or low-energy planetary ball milling condition, breaks through the limitation that the reaction must be driven by high-energy ball milling equipment in the prior art, and can realize synthesis of potassium borohydride with a yield of more than 90% through low-energy planetary ball milling, so that the method has large-scale production application potential. In addition, the method has the advantages of simple process, convenient operation and low cost.

The application provides a coal-based intelligent decision generation method and device, equipment and storage medium, and belongs to the technical field of intelligent decision, which comprises the following steps: coal price prediction is performed based on coal quality index data and standardized coal market data to obtain coal price prediction trend data; the coal quality index data is a comprehensive index representing the physical and chemical properties and industrial applicability of coal; knowledge vectorization processing is performed on standardized coal information text data to obtain a plurality of knowledge vectors; similarity calculation is performed based on a target retrieval vector and each knowledge vector to screen a knowledge vector corresponding to the maximum similarity; and a coal decision report is generated based on the knowledge vector corresponding to the maximum similarity and the coal price prediction trend data. The coal-based intelligent decision generation method and device, equipment and storage medium provided by the application can improve the accuracy and reliability of the generated coal-based intelligent decision.

The invention provides a PDMA-based ultra-long distance speech enhancement system, which comprises a hardware acquisition end and a signal processing end, and is characterized in that the hardware acquisition end comprises a parabolic reflector and a differential microphone array, the hardware acquisition end is used for acquiring an original mixed signal, the original signal passes through the parabolic reflector to obtain a pre-enhanced signal, and the pre-enhanced signal is used for processing the pre-enhanced signal; an original signal passes through the differential microphone array to obtain a differential signal, the obtained pre-enhanced signal and the differential signal are input to the signal processing end, and the signal processing end carries out fusion processing on the received pre-enhanced signal and the differential signal to realize secondary enhancement of a target and output a target voice signal. According to the invention, the voice signal can be effectively enhanced in an ultra-long distance scene of more than 20 meters, the voice quality and intelligibility can be obviously improved, the requirements of daily communication transmission are met, the complexity of the system is reduced, the declaration cost is controlled, and the performance of the system is improved.

This application relates to a method, system, and related equipment for engineering cost prediction based on MLP (Mechanical, Material, and Practical) estimation, belonging to the technical field of engineering cost estimation. The method includes: acquiring construction stage information of the target project, including the scheme study stage, preliminary design stage, and design expansion stage; acquiring construction variables for the corresponding construction stages based on the construction stage information; acquiring a preset MLP cost prediction model, which includes different quantities of engineering costs corresponding to different construction stages; and acquiring cost tables for different construction stages based on the construction variables and the MLP cost prediction model. This application has the effect of better displaying the cost changes that may occur during the project.

This disclosure relates to a video processing method, apparatus, computer device, and storage medium. It pertains to the field of intelligent connected vehicles and solves the problems of low efficiency and error-proneness when manually replacing video content. The method includes: acquiring masking information of a video to be processed, the masking information indicating a dynamic image region of a target object in the video to be processed; and replacing the target object with a reference image and integrating it into the video to be processed based on the dynamic image region indicated by the masking information. The technical solution provided by this disclosure is applicable to complex dynamic scenes and achieves efficient and accurate video content replacement.

The invention relates to a hot-rolled wire rod for a 2430 MPa grade stranded wire and a manufacturing method of the hot-rolled wire rod, after Al-Si-V chemical components are rolled and spun into a wire rod, the wire rod is subjected to online molten salt rapid quenching isothermal treatment, so that the wire rod is firstly subjected to front-section molten salt treatment and is rapidly cooled, and enters a sorbite phase region from an austenite state to form a structure taking a sorbite structure as a main structure; and then carrying out rear-section molten salt treatment, reducing the circulation volume of molten salt, promoting the unconverted retained austenite to be continuously converted into sorbite, carrying out isothermal tempering, promoting fusing of a part of sorbite lamellar layers, and finally carrying out slow cooling through a roller way, so as to prepare the hot-rolled wire rod of which the microscopic structure comprises a mixed structure consisting of tempered sorbite, tempered ferrite and fused sorbite, the material cost can be reduced, abnormal structures can be inhibited, the tensile strength is 1581-1630 MPa, the percentage reduction of area is 34%-39%, off-line heat treatment is not needed, and efficient and stable production of the ultra-high-strength stranded wire is promoted.

The utility model relates to the field of automobile safety products, disclose a side slip structure and children's safety seat. It includes the mutual slip connection's rotary disc and side slip mechanism, the rotary disc is suitable for with seat base connection, side slip mechanism is suitable for with chair back connection, one end of side slip mechanism is suitable for protruding in the rotary disc, the fixed mounting of rotary disc has slide rail reinforcing plate, when side slip mechanism protrudes to the in-place state, or is initial state, slide rail reinforcing plate all are suitable for the blocking of the warping of side slip mechanism. The utility model can improve the stability that rotary disc and side slip mechanism cooperation and connection, the cooperation of slide rail reinforcing plate and cooperation reinforcing plate, guarantee the strength that rotary disc and side slip mechanism cooperate simultaneously, still guarantee the weight of whole, and controlled cost, the strength of cooperation of side slip mechanism different state with rotary disc all is higher.

The utility model belongs to the field of cooking utensils, and particularly provides a cooking utensil. An existing cooking utensil has the problem that a sealing ring is difficult to maintain stable sealing under different pressure environments. Therefore, the utility model provides the cooking utensil which comprises a machine body, a cover body and a sealing ring, wherein a cooking cavity is defined in the machine body and used for containing food; the cover body is rotationally connected with the machine body so as to open or close the cooking cavity; the sealing ring is installed on the cover body and used for abutting against the machine body in a sealed mode, and the cross section of the contact portion of the sealing ring and the machine body is in a shape like a Chinese character'shi ', so that the sealing ring can seal the high-pressure cooking cavity and can also seal the low-pressure cooking cavity. According to the utility model, the technical problems are solved.

The application discloses a yield calculation method of polarizing film coiled material, and relates to the technical field of polarizing film coiled material production, and comprises the following steps: S10, collecting first defect information in at least one process of the polarizing film coiled material; S20, selecting part or all of the collected first defect information in the corresponding process, and converting the first defect information into second defect information through a coordinate conversion calculation method, wherein the second defect information comprises the number of defects on each polarizing film sheet in a plurality of polarizing film sheets that can be formed after the polarizing film coiled material is processed. The steps S10 to S30 are sequentially executed in order, the yield determination can be completed immediately after the polarizing film coiled material is offline, the yield of the polarizing film coiled material is calculated through the yield calculation method, so that it is not necessary to wait for the cutting to be completed and then to calculate the yield, the feedback cycle of the yield can be shortened, the process parameters can be quickly adjusted to help the production line, the batch yield loss can be reduced, and the cost control can be realized from the front end of production.

The utility model provides a scan drive circuit, circuit board and electronic clock of high voltage digital electron tube, scan drive circuit includes controller, anode drive circuit, cathode drive circuit, anode drive circuit includes a plurality of pairs of first switch piece, the output terminal of first switch piece is connected with electron tube anode one to one correspondence, cathode drive circuit is connected with cathode drive circuit. The control end of the first switch piece is connected with the controller, the input end of the first switch piece is connected with the driving power supply, the cathode driving circuit comprises a plurality of second switch pieces, and the same numbers of the electronic tubes are connected to one electrode end of the same second switch piece; the control ends of the second switch pieces are connected with the controller, and the other electrode ends of the second switch pieces are all grounded. The number of occupied IO ports of the control mainboard is effectively reduced, and a high-voltage-resistant serial-to-parallel chip or a high-voltage-resistant triode array chip does not need to be used, so that the cost is effectively controlled.

The utility model discloses an environment-friendly three-dimensional antibacterial non-woven fabric which comprises a first non-woven fabric layer, a second non-woven fabric layer and a third non-woven fabric layer, the first non-woven fabric layer, the second non-woven fabric layer and the third non-woven fabric layer are sequentially stacked and distributed from top to bottom, a first antibacterial coating is arranged on the top face of the first non-woven fabric layer, and a second antibacterial coating is arranged on the top face of the second non-woven fabric layer. A second antibacterial coating is arranged on the bottom surface of the third non-woven fabric layer, through holes are formed in the middle of the second non-woven fabric layer at intervals, and third antibacterial coatings are arranged on the inner walls of the through holes. According to the environment-friendly three-dimensional antibacterial non-woven fabric, due to the multi-layer composite design, the antibacterial effect and smoothness of the surface are improved through the first antibacterial coating and the second antibacterial coating, the internal antibacterial effect is improved through the third antibacterial coating, the air permeability and light weight are improved through the design of the through holes, and breeding of bacteria is reduced.

A sensor chip, a sensor and a device, the sensor chip comprises a substrate layer, a buried oxygen layer and a device layer which are sequentially stacked, part of the substrate layer is exposed from the buried oxygen layer and the device layer, and the exposed part of the substrate layer is used to connect an external power supply to make the substrate layer conduct electricity. The application utilizes the characteristics of the device substrate layer for temperature control, does not need additional elements, does not need to increase the volume of the device, and controls the cost.

This invention provides exosomes derived from rice, their preparation method, and applications. The exosomes have a bilayered membrane spherical structure with a particle size ranging from 20 to 1000 nm. These exosomes are obtained from rice callus tissue and possess high biocompatibility, stability, and sustainable mass production characteristics. Furthermore, experiments have demonstrated that these exosomes have anti-aging, cell regeneration and tissue repair promotion, and protective functions, and can also significantly improve cell absorption efficiency and the delivery efficiency of active ingredients such as peptides.

The application provides a surfacing electrode produced by a screw machine and a preparation method thereof, the electrode comprising an electrode core and a coating covering the surface of the electrode core, the weight of the coating being 48-52% of the weight of the electrode core; the coating comprises the following components in percentage by weight: marble 5.0%-8.0%, reduced ilmenite 20.0%-24.0%, rutile 8.0%-12.0%, white clay 3.0%-8.0%, mica 5.0%-8.0%, wood powder 2.0%-4.0%, starch 2.0%-3.0%, medium-carbon ferromanganese 8.0%-10.0%, high-carbon ferrochrome 20.0%-22.0%, ferromolybdenum 5.0%-9.0%, and green clay phyllite 7.0%-12.0%. The electrode is used for single-layer or multi-layer surfacing of various worn machine surfaces, has good Rockwell hardness, and can be used in alternating current and direct current.

The application discloses a conductive hot melt adhesive and a battery. The conductive hot melt adhesive comprises a base and a conductive filler, has a Vicat softening point of 60-130 DEG C, and has a first state and a second state. In the first state, the conductive hot melt adhesive is in a solid state, and in the second state, the conductive hot melt adhesive can soften and flow. The conductive hot melt adhesive is arranged between positive and negative electrode components of the battery. The conductive hot melt adhesive is arranged between the positive and negative electrode components of the battery. When the temperature is lower than the Vicat softening point of the conductive hot melt adhesive, the positive and negative electrode components cannot be conducted through the conductive hot melt adhesive; when the temperature is higher than the Vicat softening point, the conductive hot melt adhesive softens and flows and conducts the positive and negative electrode components, so that the battery can be short-circuited through the flowing conductive hot melt adhesive to realize rapid discharge, the voltage and energy of the battery are rapidly reduced to a safety threshold, accidents such as fire and explosion caused by thermal runaway of the battery can be effectively prevented, and the use safety performance of the battery is improved.

The present application relates to the field of biological sample collection device, in particular to a biological sample collection information tracing device, comprising: a tube body for storing biological samples; a sealing tube cover detachably installed at the opening of the tube body; a trigger component arranged between the tube body and the sealing tube cover; a clock chip cooperating with the trigger component to determine the opening time of the sealing tube cover; a memory for storing the opening time detected by the trigger component; a near field communication module for transmitting the opening time stored in the memory to a reading device; a microcontroller for processing the state of the trigger component to determine whether the sealing tube cover is opened and transmitting the information of the opening time to the memory; a circuit board for connecting the trigger component, the clock chip, the memory, the near field communication module and the microcontroller. The present application realizes the digitization and objective tracing state of the biological sample as soon as it is collected from the outside.

The utility model discloses a giant spiny frog hatching pond device which comprises a hatching pond, an L-shaped fixing plate is fixedly connected to the rear surface of the hatching pond, a disinfection box is fixedly connected to the end, away from the hatching pond, of the L-shaped fixing plate, a feeding hopper is arranged on the upper surface of the disinfection box, and a discharging hole is formed in the lower surface of the disinfection box. And the right surface of the disinfection box is fixedly connected with a motor. By arranging the motor, the rotating shaft and the stirring blades, it can be ensured that disinfectant is fully mixed in the disinfection box, the problem that the concentration of the disinfectant is not uniform is avoided, and by arranging small conical teeth, sliding rods, baffles, fixing bases, long-strip-shaped plates, connecting bases, rotating discs, connecting shafts, large conical teeth and other structures in a matched mode, the disinfectant can be controlled to intermittently fall into the hatching pond, and the hatching efficiency is improved. Therefore, manual participation is reduced, meanwhile, it can be guaranteed that the amount of the disinfectant falling into the hatching pond every time is roughly kept equal, waste of the disinfectant is reduced, and the cost is effectively controlled.

The invention discloses a preparation method of a macroporous magnesium-aluminum composite material, and belongs to the technical field of chemical engineering, and the method comprises the following steps: preparation of magnesium-aluminum sol, preparation of a first solution, preparation of a magnesium-aluminum dry gel film, preparation of a macroporous magnesium-aluminum composite material precursor and preparation of the macroporous magnesium-aluminum composite material. According to the invention, the alumina matrix is subjected to magnesium-aluminum coating modification, the pore structure of the magnesium-aluminum composite material is optimized, the surface acid-base property of the adsorbent material is improved by combining the modification of the organic ligand, and the adsorption selectivity of water vapor is greatly reduced while the structural stability of the material is ensured; the carbon dioxide can be efficiently captured in a high-water-vapor environment (such as air). The invention also discloses the macroporous magnesium-aluminum composite material prepared by the preparation method. Meanwhile, the invention further discloses application of the macroporous magnesium-aluminum composite material in the field of adsorption.

The invention relates to the technical field of piano playing intelligent analysis, in particular to a motion capture method and system, a storage medium and a program product, and the method comprises the steps: obtaining the motion data of a first key; when it is recognized that the first key is in a pressed state from the first moment t1 to the second moment t2 according to the motion data, multiple groups of first hand images of the object from the third moment t3 to the fourth moment t4 are correspondingly collected; identifying a first hand executing a pressing action or having a pressing trend according to the first hand image; identifying a first finger executing a pressing action or having a pressing trend in the first hand; identifying a second key associated with the first finger; and judging whether the second key is matched with the identifier of the first key, and if so, correspondingly generating a motion capture result between the first moment and the second moment. According to the motion capture method provided by the invention, the fingering data of the object can be accurately acquired and matched to generate a reliable motion capture result.