27results about How to "Improve market adaptability" patented technology

The invention discloses a high-temperature superconducting electric maglev vehicle multi-mode damping device based on an electromagnetic shunting technology. The high-temperature superconducting electric maglev vehicle multi-mode damping device comprises a coil system and a vehicle suspension frame. Wherein the coil system comprises a vehicle-mounted superconducting magnet, an 8-shaped suspension guide coil and a propulsion coil; the vehicle suspension frame carries a vehicle-mounted superconducting magnet, a low-temperature container, a damping coil and an external circuit module. Accurate design of electromagnetic parameters is achieved through a plurality of branch parallel circuits, dynamic responses of different frequencies can be effectively matched, and multi-mode vibration reduction is achieved in a passive mode. An optimized damping effect can be provided for various vibration modes in a rail system without depending on an active control system, and the vibration reduction performance of the system is remarkably improved. Aiming at different vibration frequencies, adjustment can be carried out by replacing components such as capacitors and inductors in the branches, the structure is simple, and the cost is low.

The invention discloses a grafted antibacterial and deodorant function integrated fabric and a preparation method thereof.The preparation method comprises the steps that guanidine hydrochloride and hexamethylenamine are dissolved in N, N-dimethylformamide to obtain a clear solution, the clear solution reacts with polyethylene glycol to obtain polyhexamethyleneguanidine hydrochloride; the preparation method comprises the following steps: heating an absolute ethyl alcohol solution of polyhexamethylene guanidine hydrochloride and epoxypropane, and then adding triethylamine to obtain a PHMG-based antibacterial agent; the preparation method comprises the following steps: adding a PHMG-based antibacterial agent into an aqueous solution of an organic acid deodorant at 60-70 DEG C, uniformly mixing to obtain a mixed solution, adding a catalyst into the mixed solution, and adjusting the pH value to 5-6 to obtain an antibacterial and deodorizing function integrated mixed solution; and dipping the desized fabric in a solvent containing the antibacterial and deodorizing integrated mixed solution, drying, and carrying out heat treatment. According to the invention, a stable combination effect can be achieved between functional components and the fabric, and long-acting antibacterial, deodorizing and washing-resistant properties can be achieved at the same time.

The invention relates to the technical field of cement production and manufacturing, aims at solving the problems that an existing grinding system is single in function and cannot have multiple cement grinding processes at the same time, and provides a composite multi-process cement grinding system and process and a cement production method. Wherein the composite multi-process cement grinding system comprises a roller press grinding system and a ball mill grinding system, and the composite multi-process cement grinding process comprises three grinding processes, namely a combined grinding process, a semi-final grinding process and a final grinding process; the cement production method comprises the following steps: separately grinding clinker and a mixed material by using two sets of cement grinding systems, and then mixing by using a mixing system to obtain a finished product. According to the invention, the limitation of a single grinding system is broken through, the operability of the system is improved through an ingenious switching means, and the advantages and functions of production through one system and coexistence of multiple technological processes are realized.

The invention provides a three-dimensional scene reconstruction and real-time positioning method and system.Three-dimensional scene data are collected through a monocular camera, a binocular camera or an RGB-D camera, feature point cloud is constructed through the ORB SLAM3 technology, rotation, zooming and other information are obtained, after data are collected, three-dimensional scene reconstruction is achieved through processing of the 3D Gaussian spattering technology, and real-time positioning of the three-dimensional scene is achieved. In the positioning process, feature points collected by ORB SLAM3 are compared, the optimal feature point position in the current scene is matched and fed back, and real-time positioning is achieved. The system supports high-simulation visual display of the local map and real-time positioning, is suitable for unmanned vehicle cruising, unmanned aerial vehicle inspection and intelligent robot positioning, and has the advantages of being high in practicability and wide in application range. And high-precision three-dimensional scene reconstruction and real-time positioning functions are provided.

The invention relates to the field of metal soft magnetic powder cores, in particular to an iron-silicon-chromium alloy soft magnetic powder core and a preparation method thereof. The preparation method comprises the following steps: S1, screening iron-silicon-chromium alloy powder with a preset particle size, and weighing the iron-silicon-chromium alloy powder according to a preset mass; s2, passivating the powder; s3, carrying out insulation coating; s4, performing baking treatment; s5, compression molding; and S6, curing treatment is conducted, specifically, under the air atmosphere, the blank piece is subjected to curing treatment and naturally cooled to the room temperature, and the cured blank piece is obtained. The preparation method disclosed by the invention is simple, mild in reaction condition and low in cost, meanwhile, the existing technological process is simplified, and automatic large-scale production can be realized. The preparation method of the iron-silicon-chromium alloy soft magnetic powder core not only has obvious advantages in the aspects of production cost and process complexity, but also has excellent performance in the aspects of product performance and market adaptability, and is an advanced technology worthy of popularization and application.

The invention provides a clay calcination and color control system and method. The system comprises a clay calcination rotary kiln, a hot blast stove, a reducing gas generator and an indirect heat exchange cooler. The clay calcining rotary kiln comprises a kiln feeding cover, a kiln cylinder body, a kiln discharging cover and a first air locking discharging valve. The kiln feeding cover is arranged at the high end of the kiln cylinder body, and the kiln discharging cover is arranged at the low end of the kiln cylinder body. The hot blast stove is communicated with the kiln discharging cover, and the kiln feeding cover is provided with a waste gas port, so that clay and high-temperature flue gas flow reversely; the indirect heat exchange cooling machine comprises a cooling machine feeding pipe, a cooling machine barrel body and a cooling machine kiln discharging cover; the first air-locking discharging valve is arranged at the bottom of the kiln discharging cover, and the cooling machine cylinder body is arranged below the kiln discharging cover and communicates with the first air-locking discharging valve; and the reducing gas generator is arranged at the lower part of the kiln discharging cover and is used for blowing reducing gas into the kiln discharging cover, so that the reducing gas and the calcined clay are subjected to a reduction reaction, and the reddish brown ferric oxide is reduced into black ferroferric oxide.

A virtual power plant response effect evaluation method and system, historical data are collected and time sequence characteristic sequences and context characteristic vectors containing operation scene characteristics are constructed; the two are input into a context attention-based deep time sequence network CA-DTN model, an original baseline load curve is predicted, the original baseline is dynamically corrected based on actual load data of a response event day, an approved baseline is generated, the approved baseline is analyzed and judged to determine whether it belongs to an abnormal fluctuation day, when it is determined to be abnormal, the approved baseline is subjected to secondary dynamic checking, including model performance drift detection and baseline backtracking consistency analysis, and the CA-DTN model is optimized according to the checking result, and the final approved baseline is output; the actual load curve is compared with the final approved baseline, core indexes such as response amount and response completion rate are calculated, and a visual evaluation report is generated. The corresponding system includes function modules for implementing the above steps. The CA-DTN model significantly improves the prediction accuracy and market adaptability.

The invention discloses a management coordination method and system based on labor demand analysis, and relates to the technical field of management coordination, and the method comprises the steps: carrying out the analysis based on historical labor demand information, and outputting a first labor prediction result; performing analysis based on the technical change information of the labor personnel, and outputting a technical change prediction result of the labor personnel; performing analysis based on the enterprise development information, and outputting an enterprise development prediction result; performing analysis based on the market demand change information, and outputting a market demand change prediction result; and in combination with the first labor force prediction result, the labor personnel technology change prediction result, the enterprise development prediction result and the market demand change prediction result, outputting a comprehensive labor force demand prediction result of each prediction stage, further outputting a management coordination scheme, and performing adjustment response on the labor force demand change of each stage. Accurate prediction and flexible management coordination of enterprise labor demands are realized, and enterprise operation efficiency and resource utilization efficiency are significantly improved.

The invention relates to the technical field of biology, and discloses medicinal and edible seasoning tea and a preparation method thereof. Comprising the following raw materials: ginseng, poria cocos, spina date seed, cassia twig, liquorice, parched white peony root, dried ginger, schisandra chinensis, poria cocos, codonopsis pilosula, fried almond, cinnamon, radix polygoni multiflori preparata, divaricate saposhnikovia root, notopterygium root, rhizoma alismatis, cortex moutan, radix rehmanniae, Chinese yam, attached meat, radix ophiopogonis, fructus amomi, clove, astragalus membranaceus, mangnolia officinalis, angelica sinensis, ligusticum wallichii, fried rhizoma atractylodis macrocephalae, rhizoma atractylodis, myristica fragrans, elecampane, agilawood, lignum dalbergiae odoriferae, fructus jujubae coked medicated leaven, tangerine peel, rhodobryum roseum and Pu'er sunned tea. The preparation method comprises the following steps: decocting the raw materials into decoction, and decocting with a decocting machine; the decocted traditional Chinese medicine soup is sprayed on the prepared Pu'er sunned tea in batches, turning is conducted, and a batch of traditional Chinese medicine soup is added during turning every time; then, a steel basin is used for nest heap fermentation, and fermentation is continued until the temperature does not rise any more; repeating until the tea leaves are fermented; and shaping the fermented tea leaves, drying, and finally packaging to obtain the tea cake.

The present application provides a bacillus licheniformis strain HSCY3018, which is preserved in China Center for Type Culture Collection, and the preservation number is CCTCCM20221831, and the preservation date is November 28, 2022. The present application also provides the application of the HSCY3018 strain and a microbial inoculum thereof in food vinegar brewing. The HSCY3018 has high amylase and protease activities in food vinegar brewing, and can significantly improve the raw material utilization rate of food vinegar brewing. Compared with a control group, the starch utilization rate is increased by 58.50%, the lactic acid content in organic acid is increased by 72.95%, the total amount of amino acid is increased by 66.18%, the reducing sugar content is increased by 43.96%, and the total ester content is increased by 275.74%.

The invention relates to a method for continuously preparing 1, 2-propylene glycol and 1, 3-propylene glycol and application of the method, and belongs to the field of preparation of propylene glycol. In a hydroformylation reaction unit, vinyl acetate, synthesis gas and a first catalyst are subjected to a contact reaction; cooling a part of the hydroformylation reaction product, returning to the hydroformylation reaction to control the reaction temperature, and carrying out pressure reduction on the other part of the reaction product to separate out crude acetoxypropionaldehyde; the crude acetoxypropionaldehyde and hydrogen are subjected to a contact reaction on a second catalyst, water is used as a solvent, the reaction product continues to be subjected to a contact reaction with a third catalyst solution, and 1, 2-propylene glycol, 1, 3-propylene glycol and acetic acid are obtained after separation treatment. The method is safer in raw materials, simple in process, easy to operate, diversified in product composition and high in market adaptability.

The invention relates to the technical field of traditional Chinese medicine health care, and discloses a traditional Chinese medicine composition for tonifying yang, tonifying kidney and health care and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following traditional Chinese medicine raw materials in parts by weight: 20 to 25 grams of herba cistanche, 15 to 20 grams of cortex eucommiae, 15 to 20 grams of fructus lycii, 15 to 20 grams of rhizoma polygonati, 20 to 25 grams of herba epimedii, 5 to 10 grams of cornu cervi pantotrichum, 10 to 15 grams of penis et testis cervi, 8 to 12 grams of radix ginseng, 10 to 15 grams of agkistrodon halys, 8 to 12 grams of Chinese chives, 10 to 15 grams of fructus rubi, 15 to 20 grams of fructus corni, 10 to 15 grams of fructus alpiniae oxyphyllae and 10 to 15 grams of cordyceps militaris. Through scientific proportioning of the main medicinal materials (such as cistanche, eucommia ulmoides, fructus lycii, rhizoma polygonati, herba epimedii and cornu cervi pantotrichum), the kidney-tonifying and yang-strengthening effects are remarkably improved. According to the optimized proportion, the effective components of the medicinal materials can interact to generate a synergistic effect, so that the problem that the traditional medicine effect is unstable is solved, and the product has more remarkable and stable effects in the aspects of invigorating the kidney and strengthening Yang; advanced ethanol and water decoction extraction technologies are adopted, so that efficient extraction and stability of effective components are ensured.

The invention relates to a pyrolytic boron nitride reaction furnace and a use method, the pyrolytic boron nitride reaction furnace comprises a controller, an evaporation chamber, an objective table, separation layers, an air inlet pipe, a laser, a multi-stage buffer cavity and a reaction chamber, the objective table in sliding connection is arranged in the evaporation chamber and used for containing boron oxide, and the inner wall of the evaporation chamber is fixedly connected with a first separation layer and a second separation layer; the gas inlet pipe of the spiral structure is tangent to the evaporation chamber and used for introducing nitrogen and hydrogen, the laser is fixed to the evaporation chamber and used for heating boron oxide, the multi-stage buffer cavity is sequentially connected to the top end of the evaporation chamber and the spherical reaction chamber, and the balance rod mechanism ensures that boron oxide is always kept at the optimal heating position. The molecular sieve membrane separation system can effectively remove moisture and carbon monoxide, the invention also comprises a detailed use method which covers the whole process from a preparation stage to continuous operation, and the design realizes efficient and accurate reaction environment control, intelligent raw material supply and impurity separation.

The current loop wiring terminal combination structure at least comprises one or more current loop wiring terminals and a mounting guide rail, the current loop wiring terminal comprises a base and a plugging terminal, a first electric conductor and a second electric conductor are installed in the base, the first electric conductor is provided with an input port, a first elastic piece and a first short circuit interface, and the second electric conductor is provided with a second elastic piece and a conductive column. And the first elastic sheet and the second elastic sheet form a test socket. The plugging terminal is provided with a third conductor, and the third conductor is provided with an output port and a plugging port. The current loop wiring terminals are sequentially and detachably installed on the installation guide rail through the base in the direction perpendicular to the arrangement direction of the first electric conductor and the second electric conductor. The current loop wiring terminal combination structure has the advantages that the input end and the output end are separated, short circuit operation and test operation are simple and convenient, later maintenance is simple, modular design is achieved, and the number of the current loop wiring terminals can be conveniently adjusted according to the number of interfaces of relay protection and other electrical devices.

The present invention provides a method for preparing polyethylene wax by continuous cracking of waste polyethylene, comprising the following steps: continuously cracking waste polyethylene at 300-500°C to obtain gas phase products and non-gas phase products, and separating and refining the non-gas phase products to obtain polyethylene wax. The technical solution of the present application can obtain polyethylene wax, micro-powder polyethylene wax and oxidized polyethylene wax with number average molecular weights of 1000-2000, 2000-3000, 3000-4000, 4000-5000 at low cost and high yield.

The invention relates to a Pu'er tea beverage processing control method, device and equipment and a medium, and relates to the field of processing control, and the method comprises the following steps: obtaining a sample data set; predicting the ratio of tea polyphenol to caffeine of the Pu'er tea soup image in the soaking processing process of the Pu'er tea leaves by adopting a tea soup concentration prediction model trained by a sample data set, and filtering Pu'er tea leaf residues when the ratio of the tea polyphenol to the caffeine reaches a preset ratio threshold value of a target Pu'er tea beverage so as to obtain the Pu'er tea beverage. Determining the current Pu'er tea soup; calculating and determining a comprehensive score value of the current Pu'er tea soup according to the fragrance score value, the taste score value and the ratio of tea polyphenol to caffeine of the current Pu'er tea soup, and if the comprehensive score value is within a preset threshold range, determining the target Pu'er tea beverage as a qualified product. According to the method, multiple indexes such as the content of tea polyphenol and caffeine, fragrance and taste can be accurately controlled, and the quality of the Pu'er tea beverage is remarkably improved.

The utility model discloses a heavy-load turning blade which comprises a polygonal blade base body, a circular hole is formed in the geometric center of the blade base body, a cutting unit is arranged at the vertex angle of the blade base body, the cutting unit comprises an angle cutting edge and a secondary cutting edge, the angle cutting edge is of a fillet structure, the secondary cutting edge is of a linear shape, and the angle cutting edge and the secondary cutting edge are arranged in parallel. A continuous main cutting edge is arranged between the secondary cutting edges, a first variable-edge-width section is arranged at the intersection of the secondary cutting edges and the main cutting edge in the extending direction of the main cutting edge, and the edge width of the first variable-edge-width section is gradually increased through a transition cambered surface. Due to the structure, the turning blade has sharpness; and during cutting, the main cutting edge not only ensures the cutting strength of the turning blade, but also controls the cutting resistance, so that the turning blade has better adaptability to the market demand.

The invention provides a direct coal liquefaction system and a direct coal liquefaction method. The direct coal liquefaction system comprises a coal-oil slurry preparation unit, a preheating mixing unit, a first direct coal liquefaction reactor, a second direct coal liquefaction reactor, a third direct coal liquefaction reactor, a first separation unit, a distillation tower, a hydrogenation unit, a second separation unit and a hydrogen supply unit, the technical problems of coal powder deposition, mineral substance deposition, low utilization rate, poor operation stability, solid particle powder entrainment and the like of the reactor in the existing direct coal liquefaction technology are solved, and the bottleneck problem restricting further amplification of the reactor is solved, so that long-period efficient operation of the direct coal liquefaction device is realized; the utilization rate and the single-series scale of the direct coal liquefaction reactor are improved, the energy utilization efficiency is improved, and energy conservation and carbon reduction are facilitated.

The utility model discloses an electrodialysis partition plate, which belongs to the field of electrodialysis and comprises a first sealing layer, a second sealing layer, a partition net, a liquid distribution runner and a liquid guide hole, the partition net is arranged between the first sealing layer and the second sealing layer, the first sealing layer is positioned on the front side of the partition net, and the second sealing layer is positioned on the rear side of the liquid distribution runner. The middle of the first sealing layer and the middle of the second sealing layer are each provided with a cavity, one part of the partition net is exposed out of the cavity, the other part of the partition net is connected with the first sealing layer and the second sealing layer to form a plate frame part, the two ends of the plate frame part are each provided with at least one liquid guide set, and each liquid guide set comprises four liquid guide holes and one liquid distribution flow channel communicated with the liquid guide holes. And the liquid distribution flow channel is communicated with the cavity. The mode that the separation net is clamped between the first sealing layer and the second sealing layer is adopted, direct hot press forming is carried out, the separation net does not need to be independently connected into the cavity, different separation net action shapes are formed through arrangement of different cavity shapes, and the application range is wide.

The invention relates to the field of resource utilization of glass materials and wastes, and discloses a method for producing glass beads by utilizing metallurgical waste slag through multi-stage temperature control, which comprises the following steps: S1, pretreatment of metallurgical waste slag; s2, a melting stage; s3, injection molding; s4, multi-section temperature control cooling: sequentially cooling the liquid drops subjected to injection molding; cooling the liquid drops in a primary cooling area; the liquid drops are further cooled in the secondary cooling area; the liquid drops are finally cooled in the final cooling area; s5, surface treatment of the microbeads; s6, performing grading treatment; and S7, collecting and storing. By adopting accurate melting temperature control and arranging a multi-section temperature control device, the melting process can be carried out in a relatively stable and moderate temperature range, and the phenomenon of non-uniform melting temperature in a traditional method is avoided. Therefore, not only is the energy consumption effectively reduced, but also the sufficient melting of each component in the metallurgical waste slag is ensured, so that the quality and the uniformity of the glass beads are improved.

The invention discloses a cotton straw smashing device. The cotton straw smashing device comprises a shredding device, a smashing device, a screen and a container. The shredding device is used for primarily tearing cotton straws through the relative movement of the two movable cutters, and the shredded straws are fed into the crushing device through the discharge hole. A transmission shaft is arranged in the smashing device, a plurality of smashing rods are attached to the transmission shaft, the shredded straw is further smashed into small particles, and the smashed materials enter a container after being screened through a screen below. The container is provided with a pulley device, so that the crushed materials are convenient to move and collect. Through the mode of combining shredding and smashing, the cotton straw smashing efficiency is effectively improved, meanwhile, the size of smashed particles can be adjusted according to needs, the problems that existing equipment is low in smashing efficiency and uneven in particle are solved, and the cotton straw smashing device is suitable for cotton straw treatment in large-scale agricultural production.

The invention relates to the technical field of foaming product preparation, provides a foaming product with an invisible massage structure, and solves the technical defects of pressure concentration, use discomfort, uneven surface, limited application scene and infirm interlayer combination of the existing massage foaming product. In addition, the invention further provides a preparation method of the foaming product with the invisible massage structure, and the defects that an existing foaming product preparation process is uncontrollable, and precise forming and integrated stable combination of double-layer materials cannot be achieved are overcome. The foaming product comprises an upper layer and a lower layer which are integrally foamed and formed, the lower layer is provided with a massage structure protruding upwards, the upper layer wraps the massage structure, touch generated by the massage structure is buffered by the upper layer and then transmitted to the upper surface of the product, and therefore soft massage with the flat surface is achieved. The invention is widely applicable to the fields of shoes, sitting and lying appliances, sports protection and the like.

The invention provides a method for preparing propylene glycol from vinyl acetate and application of the propylene glycol. Vinyl acetate, synthesis gas and a first catalyst are subjected to a contact reaction in a hydroformylation reaction unit, part of hydroformylation reaction products are cooled and then returned to control the reaction temperature, and crude acetoxypropionaldehyde, the first catalyst and a solvent or a mixture thereof are separated from the other part of the reaction products under reduced pressure for recycling; the crude acetoxypropionaldehyde and hydrogen are subjected to a contact reaction on a second catalyst, a hydrogenation product is cooled, part of the product is recycled as a solvent, the other part of the product is subjected to a contact reaction with a third catalyst, an organic phase and the catalyst obtained after separation are recycled, and an obtained water phase is fed into a refining unit to sequentially separate 1, 2-propylene glycol, 1, 3-propylene glycol and acetic acid products. The method is safer in raw materials, simple in process, easy to operate, diversified in product composition and high in market adaptability.

The utility model relates to a drilling rod grabbing manipulator, and belongs to the technical field of coal mine automatic drilling equipment. The manipulator is mainly composed of a fixing mechanism, a horizontal displacement mechanism, a lifting joint, an overturning joint, a telescopic joint and a gripper joint. The fixing mechanism is connected with the moving platform through connecting points arranged at intervals, the horizontal displacement mechanism achieves accurate horizontal movement through a linear guide assembly, and all joints work cooperatively through modular design. The mechanical arm is characterized in that the mechanical arm and the drill rod box are completely separated, the drill rod box can be independently and rapidly replaced, and the mechanical arm does not need to be adjusted. By means of the design, the adaptability of equipment to drill rods of different specifications is remarkably improved, the drill rod replacement process is simplified, meanwhile, the stability of the mechanical arm under the heavy load working condition is enhanced, accurate control over drill rod grabbing, lifting, overturning and conveying is achieved, and the mechanical arm is suitable for large-specification drill rod loading and unloading operation of a high-power directional drilling machine. The device has the technical advantages of compact structure, convenient operation and high reliability.

This invention relates to the field of roof-mounted lift tent technology and discloses a bed board extension structure based on a roof-mounted lift tent. The structure includes a base, a canopy mounted on the base, a sliding support drive between the canopy and the base, a flip-up bed board mounted on the side of the base, and locking components and fixing linkages mounted on the canopy and base. The cross-support rod assembly of this invention, relying on the dynamic changes in structural form during the lifting process, achieves a dual improvement in support stability and load-bearing capacity, exhibiting significant force advantages. When not raised, the structure is easily compressible. As the canopy rises, the sliding end of the supporting rod gradually moves towards the center and becomes increasingly vertical, reducing the vertical angle and increasing the lateral angle. This allows the triangular support frame structure to form an efficient axial force characteristic, significantly weakening the bending moment effect and improving compression resistance. After reaching the highest position, the structure, combining its geometric shape and the central arrangement of the sliding end, forms a naturally stable structure that can effectively resist longitudinal pressure and lateral off-center loads.

The utility model relates to a kind of PCB antenna structure compatible with multiple packaging types, including PCB board, at least two different packaging types of antenna elements being set on the PCB board, and with the chip being connected to the antenna element;The signal pin of the antenna element is connected to the same function pin of the chip in parallel, and the packaging layout of the two antenna elements on the PCB board is pin overlapping arrangement;Wherein, the pin pad of the antenna element adopts overlapping design in PCB layout, and pad size, spacing is consistent, so that only one antenna element is welded when actual patch.