211results about How to "Significant progress" patented technology

The invention provides a platform door system gap detection device control method, which specifically comprises the steps that a signal system sends a door closing command to a platform door system and then keeps a command output state, the platform door system controls a sliding door to be closed after receiving the signal door closing command, and the state is fed back to a gap detection device after the sliding door is closed and locked; the gap detection device starts gap detection when receiving that the sliding door is in a closed and locked state, and feeds back the closed and locked state of the platform door system to the signal system when the gap detection is not abnormal; after the vehicle door is normally closed and locked, the vehicle door is fully closed, and the locking state is fed back to the signal system; the signal judges that the train door and the platform door are closed and the door closing command is canceled when being locked, the gap detection device cancels detection after detecting that the signal door closing command disappears, and the signal system controls the train to leave the station after confirming that no obstacle is retained in the gap detection device. According to the method, gap detection is matched with train operation, and the safety of train operation is improved.

The invention provides a gap detection bypass control method for a platform door system. The gap detection bypass control method comprises the steps that sliding door safety circuit state information of the platform door system is read periodically; according to the state information of the sliding door safety circuit, judging whether the sliding door safety circuit is closed again after being disconnected, and if yes, obtaining the LCB state of the sliding door corresponding to the gap detection device; when the LCB state is a bypass state, the detection end of the gap detection device is bypassed; when the LCB state is not the bypass state, the gap detection device is controlled to normally execute a gap detection function; if the state of the detection end of the gap detection device detected within the detection duration is a normal detection state, the gap detection is ended; if it is detected that the detection end state of the gap detection device is a detection abnormal state within the detection duration, a gap detection device control panel is controlled to give an alarm, a gap detection safety loop is disconnected, and a door state indicator lamp corresponding to the sliding door is lightened.

The invention discloses a preparation method of a polyurethane material with a shape memory function, biocompatibility and degradability, which comprises the following steps: (1) melting and mixing hydroxyl-terminated polyether or polyester polyol and isosorbide in a nitrogen atmosphere, and then adding diisocyanate for prepolymerization; (2) adding hexahydro-1, 3, 5-tris (hydroxyethyl)-s-triazine into the pre-polymerized solution, stirring, dissolving and reacting, and then pouring the mixed solution into a mold; and (3) placing the mold under the condition of 80 DEG C to volatilize the solvent, and curing to obtain the polyurethane film. The polyurethane film prepared by the invention has excellent mechanical properties. Meanwhile, the polyurethane film has good biocompatibility, a shape memory function and dual degradability. Compared with the traditional polyurethane material, the polyurethane material prepared by the method disclosed by the invention takes the biomass-based compound isosorbide as a raw material, integrates excellent comprehensive performance, functionality and degradability, and is a novel sustainable material with wide application.

The invention discloses a cooling effect stability evaluation method for an aluminum alloy wheel hub low-pressure casting cooling system, and relates to the technical field of automobile wheel hub low-pressure casting. Comprises: selecting a mold object; arranging a thermocouple, and collecting temperature data; changing the initial temperature of the temperature measuring point of the thermocouple, and further acquiring real-time temperature data; feature temperature data are extracted, and linear regression of initial temperature-feature temperature values is carried out; and carrying out temperature data fluctuation analysis, and quantitatively measuring the cooling effect stability of the cooling system according to the maximum value and minimum value indexes of the discrete point deviation fitting curve. The stability of the cooling effect of the cooling system can be visually reflected, the problem that testing cannot be achieved under the condition that the initial temperature of the mold is consistent is solved, and by analyzing the relation between the initial mold temperature and the characteristic temperature value and selecting the temperature value on the temperature curve before mold opening as the characteristic temperature value, the testing accuracy is improved. The complexity of curve analysis is avoided, and the method is worthy of industrial popularization and application.

The invention provides an intersecting shield interval protection construction method, which belongs to the technical field of building construction, and comprises the following steps: firstly, excavating an open cut foundation pit at an intersection, arranging a cast-in-situ bored pile and a crown beam as an enclosure structure in the foundation pit, and arranging a steel support system at the same time. And after the enclosure structure is completed, the foundation pit is excavated to the designed depth, and reinforced concrete supporting piles and pile top beams are constructed. And on the basis, a reinforced concrete protection plate is poured to form a sheet pile structure type protection structure system. And finally, foundation pit filling is completed in a backfilling mode. Before the shield passes through the cross point, a test section is arranged to collect related construction data, and preparation is made for subsequent formal tunneling. And in the actual shield tunneling process, the tunneling speed and the soil bin pressure are controlled, and synchronous grouting is conducted. And after crossing the cross point, arranging closed rings in the front and back areas, and carrying out wall back grouting by adopting double-liquid slurry. And finally, a geological radar is used for detecting the cavity and repairing, and the problem of mutual influence in up-down close-distance crossed tunnel construction is solved.

The invention relates to application of VBIT-4 or pharmaceutically acceptable salt thereof in preparation of drugs for preventing or treating vitiligo and complications thereof. A large number of modern pharmacological scientific researches and in-vivo pharmacodynamic tests prove that VBIT-4 has a treatment effect on a leucoderma mouse model and inhibits synthesis of inflammatory factors and chemotactic factors in a leucoderma mouse skin lesion area. The mechanism of the invention is that VBIT-4 inhibits the expression of inflammatory factors and chemotactic factors in skin tissues so as to treat leucoderma, compared with the existing treatment means, VBIT-4 can promote the compound color of pigments in a skin lesion region on the back of a leucoderma mouse, has no obvious toxicity, and reduces the expression level of inflammatory factors (IL-1beta, IL-6 and IFN-alpha) and chemotactic factors (CXCL9 and CXCL10). In conclusion, the VBIT-4 is clear in action mechanism, remarkable in effect and free of obvious side effects, and has remarkable advantages and progress compared with existing drugs.

The invention provides an automatic real-time pasturing livestock feed intake monitoring method based on Beidou navigation positioning, the motion behavior of livestock is monitored by using a Beidou navigation positioning collar, accurate motion data can be obtained, and a pasturing livestock feed intake model is constructed by considering the weight, motion distance, feed intake time, rest time, vegetation height and coverage of livestock. The built model comprehensively considers various factors possibly influencing the livestock feed intake, can obtain accurate livestock feed intake data, and can realize automatic real-time monitoring of the livestock feed intake.

The invention belongs to the field of polymer compositions, and particularly relates to an anti-yellowing polyphenyl ether composite material as well as a product and application thereof. The invention provides a yellowing-resistant polyphenyl ether composite material, which is prepared from the following components in parts by weight: 30 to 70 parts of polyphenyl ether resin, 15 to 40 parts of polystyrene, 0 to 15 parts of flame retardant, 0 to 30 parts of reinforcing filler, 0 to 10 parts of compatilizer, 0.1 to 1 part of benzoin, 0.01 to 0.3 part of DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) and 0 to 5 parts of other auxiliaries. The application accidentally finds that 0.01-0.3 part of DOPO with extremely low parts is introduced into the benzoin processing yellowing resistant system of polyphenyl ether, and through the synergistic effect of benzoin and DOPO components and contents, the processing yellowing resistant performance of polyphenyl ether is further improved in the processing process of polyphenyl ether, and the processing yellowing resistant performance of the polyphenyl ether is further improved. And the yellowing resistance in a hot oxygen environment, a natural environment and a humid and hot environment is also greatly improved.

The invention discloses a mesenchymal stem cell membrane coated kaempferol bionic nano-drug as well as a preparation method and application thereof, and relates to the technical field of targeted drug preparation, the bionic nano-drug is composed of nano-particles containing kaempferol and a mesenchymal stem cell membrane coated outside the nano-particles, the mesenchymal stem cell membrane is derived from umbilical cord mesenchymal stem cells; the particle size of the bionic nano-drug is 167.67 + / -1.84 nm, the PDI is 0.181 + / -0.027, the potential is-5.41 + / -0.74 mV, the encapsulation efficiency is 79.97 + / -0.19%, and the entrapment rate is 7.27 + / -0.02%. According to the invention, the water solubility of the kaempferol is enhanced, the specific enrichment of the kaempferol at the diseased region of the AS can be enhanced, the utilization efficiency of Kae is improved, and the defects of small molecular drugs are overcome; in addition, through nanocrystallization of Kae, direct contact of cells and tissues with Kae can be reduced, and cytotoxicity is reduced.

The invention relates to the technical field of medical apparatus and instruments, and discloses a tumor chemotherapy breathing assisting device which comprises a bottom fixing base and a cylindrical shell arranged on the outer surface of the upper end of the bottom fixing base. A driving motor is fixedly connected to the outer surface of the upper end of the vertical supporting rod, a circular rotating disc is fixedly connected to the driving end of the driving motor, a movable pressing block is movably connected to the inner wall of the cylindrical shell, and a movable connecting piece is fixedly connected to the outer surface of the upper end of the movable pressing block. According to the breathing assisting device for tumor chemotherapy, firstly, the reciprocating structure is driven by the motor to automatically press the air bag, manpower is greatly liberated, patients, accompanying personnel and medical staff do not need to bear the physical burden of manual pressing any more, and especially under the condition that long-time continuous treatment is needed, the labor intensity of the patients is greatly relieved; the improvement undoubtedly greatly improves the use convenience and comfort.

The invention discloses a microneedle high-speed implanter, and relates to the technical field of medical instruments, and the microneedle high-speed implanter comprises a cylindrical cavity, a sealing cover, sealing rubber, a microneedle storage sheet and a microneedle. The microneedle storage piece is used for storing microneedles, a limiting ring is arranged in the microneedle storage piece and used for fixing the microneedles, the microneedles are nail-shaped, and when the microneedle storage piece is used, the microneedle storage piece containing the microneedles is embedded into the columnar cavity, and the sealing cover is fixed to the columnar cavity through threads and sealed through the sealing rubber. Compressed gas enters the microneedle high-speed implanter through the rapid gas pipe connector on the sealing cover, pushes the microneedle to be separated from the microneedle storage piece, continuously accelerates in the acceleration trajectory of the columnar cavity and finally flies out at a certain speed. And after the flying-out microneedle is in contact with the skin, the conical needle tip punctures into the skin, and the base is blocked to stay outside the skin, so that a specific puncture depth is realized. The invention aims to realize efficient implantation of the microneedle by utilizing the hardening phenomenon of the skin at a high strain rate.

The invention relates to the technical field of biological medicine, in particular to a medicine solution composition, a preparation method thereof and a nasal spray. The pharmaceutical composition comprises active pharmaceutical ingredients, a pH regulator, an osmotic pressure regulator and water, the active pharmaceutical ingredient is rizatriptan or a salt thereof; the pH regulator is used for regulating the pH of the pharmaceutical composition to 4.0-7.0; and the osmotic pressure regulator is used for regulating the osmotic pressure of the pharmaceutical composition to 280-350mOsm / kg. The nasal spray can be used for rapidly relieving migraine in the acute stage, rapid analgesia is achieved, the drug stability is good, the nasal spray is not affected by food, the components are simple and effective, and the nasal spray has commercial production value.

The utility model discloses a municipal sludge incineration system which comprises a dry sludge bin, an ignition furnace, a pre-combustion chamber, a suspended state incinerator, a collecting device, a heat exchange system and a waste gas treatment device. The pre-combustion chamber is connected with the suspended state incinerator and supplies heated air to the suspended state incinerator; dry sludge enters a suspended state incinerator to participate in combustion with heated air; the collecting device I is used for collecting incineration ash generated by combustion; the heat exchanger I is used for heating combustion-supporting air by using combustion flue gas discharged by the suspended state incinerator, and the combustion-supporting air is introduced into the suspended state incinerator to participate in combustion; the heat exchanger II heats cold air by utilizing excessive waste heat flue gas discharged by the heat exchanger I, so that waste heat utilization is realized; and the collecting device II is connected with a flue gas outlet of the heat exchanger II and is used for collecting fly ash in the flue gas. According to the invention, the incineration heat is in a closed-loop circulation loop, and redundant heat is also recycled, so that the use efficiency of the heat is greatly improved, and the energy consumption is reduced; ash generated by the system is collected in a multi-stage mode, tail gas is effectively treated, and environmental pollution is reduced.

The invention provides a mitral valve leaflet length automatic measurement method based on 3D-to-2D morphological transformation. The method comprises the following steps: firstly, acquiring three-dimensional medical image data of the heart of a patient, and extracting six partitions of a mitral valve and related heart structures; an orthogonal plane is calculated by fitting a mitral valve structure point set, and a cKDTree algorithm is used to determine a connected area of each partition, and a corresponding projection plane is established. And then extracting the contour of the projection point set through an Alpha shape algorithm, correcting the contour into a linear three-dimensional point set, and finally calculating the length of the valve leaflet of each partition. According to the method, the accuracy, consistency and efficiency of measurement are improved through an automation technology, personal errors are reduced, the method is suitable for various three-dimensional medical image data, and a more reliable basis is provided for clinical diagnosis and treatment of mitral valve diseases.

The invention belongs to the technical field of solid hazardous waste treatment, and particularly relates to a waste-free urban green energy valley mode multi-element solid hazardous waste energy resource collaborative gradient utilization system. Comprising a solid hazardous waste pre-burning pretreatment energy generation and conversion system, a cyclone dust collection system, an energy gradient utilization and product coupling modification system and a waste gas centralized collection and disposal system which are sequentially connected in series. Organic high-calorific-value solid hazardous waste is converted into high-temperature energy flue gas as a core center, the high-temperature energy flue gas is used for regeneration or utilization of multi-element solid hazardous waste in a gradient mode, self-circulation type operation can be achieved through collaborative sharing of multiple pieces of production line equipment without fossil energy supply, and the production efficiency is improved. Therefore, a complete closed-loop ecological system for gradient use of solid hazardous waste resources is formed, the utilization value of the solid hazardous waste is maximized, the solid hazardous waste is truly turned into wealth, the purpose of treating waste with waste is achieved, and the method plays an important role in waste-free city construction.

The invention discloses silver-coated calcium carbonate multi-layer core-shell structure composite powder and a preparation method thereof.The preparation method comprises the steps that firstly, the surface of inner core calcium carbonate is coated with a layer of SiO2 through a sol-gel method, a CaCO3 at-SiO2 core-shell structure is formed, then Ag is loaded on CaCO3 at-SiO2 through a reduction method, and the core-shell structure composite powder with CaCO3 at-SiO2 at-Ag double-layer shell layers is formed. According to the method, silicon dioxide is ingeniously used as a middle layer, calcium carbonate and silver can be well combined together in the presence of silicon dioxide, and the problem that calcium carbonate cannot be coated with silver is solved. The method provided by the invention provides a new method for preparing a calcium carbonate core-shell structure, and also provides a new research thought for inorganic coating.

The invention discloses a purification method of high-purity chromium for a target material, and belongs to the technical field of metal chromium purification, the purification method comprises the following steps: placing an original electroplated chromium sheet in a vacuum reduction furnace, vacuumizing the vacuum reduction furnace to 10Pa, filling 0-1atm of hydrogen, heating the vacuum furnace from room temperature to final temperature T DEG C according to a six-stage heating curve, keeping the temperature for 12-24 hours, and cooling to room temperature to obtain the high-purity chromium for the target material. And heating is stopped, hydrogen continues to be introduced into the vacuum reduction furnace, after the temperature in the vacuum reduction furnace is reduced to the room temperature, discharging is conducted, and the high-purity chromium is obtained. According to the purification method of the high-purity chromium for the target material, the high-purity chromium is prepared through purification of an original electroplated chromium sheet, the content of O in the chromium prepared through the purification method is smaller than or equal to 60 ppm, the content of N is smaller than or equal to 60 ppm, the content of C is smaller than or equal to 50 ppm, the content of S, Fe, Al and Si is smaller than or equal to 40 ppm, and the prepared high-purity chromium can be applied to the field of target materials.

The invention provides a gas leakage false alarm prevention method based on sound source localization and visual identification, which comprises the following steps of: acquiring multi-channel sound detection data acquired by an acoustic array, and acquiring image data acquired by an image sensor arranged at the center of the acoustic array; processing the multi-channel sound detection data based on a sound source positioning method by taking the predetermined area as a scanning plane to obtain at least one sound source position I; acquiring an audio information characteristic value for each sound source position I, and judging whether the audio information characteristic value accords with a gas leakage characteristic or not; if not, determining that the sound source position I is a false alarm point; if yes, intercepting a specified area image in the image data based on the sound source position I and a preset pixel range, identifying whether an object type in the specified area image is a target type or not based on a visual identification algorithm, and if not, judging that the sound source position I is a false alarm point; and if the type is the target type, determining that the sound source position I is a leakage point.

The invention discloses a tropical basil essential oil liposome for targeting breast cancer. The liposome is composed of a breast cancer targeting liposome skeleton and tropical basil essential oil. Wherein the breast cancer targeted liposome skeleton is composed of soybean lecithin, cholesterol, and vasoactive intestinal peptide modified distearoyl phosphatidyl ethanolamine-polyethylene glycol 2000. The mass ratio of the tropical basil essential oil to the liposome skeleton in the liposome is 1: 50. The liposome carrying the tropical basil essential oil for targeting the breast cancer, prepared by the invention, has high affinity to breast cancer cells and high cell uptake, can remarkably inhibit proliferation, migration and invasion of triple-negative breast cancer cells, remarkably improves the effect of the tropical basil essential oil on resisting triple-negative breast cancer, reduces adverse reactions, and has a remarkable progress. The preparation method of the liposome is simple, the raw materials are easy to obtain, the anti-cancer effect is remarkable, and the liposome has good application value and market prospect.

The invention belongs to the technical field of anti-tumble devices, and discloses a tumble prevention device for sensing human joint position sensation and motion sensation based on brain-computer fusion, which comprises a brain-computer fusion sensing interface, an intelligent knee pad, a wearable system, a balance module, a support module and a control module, the signal is transmitted to sensory nerves through an electrode implanted into the brain, so that the sensory function is reconstructed; the mode of electromyographic signal detection and rigid structure supporting is adopted, the feature electromyographic signals before falling are collected, the mechanical supporting device is automatically triggered, supporting is guaranteed to be safe, detection and processing of the electromyographic signals of specific muscle groups before falling are achieved, and the safety of falling is improved. And the whole process of rigid support protection, alarm and sending positioning on the human body during falling is covered.

The invention discloses a split-type colored egg and a mold and process for producing colored eggs, and belongs to the technical field of colored egg products and their production process. The split-type colored egg of the invention comprises an upper half of an egg body and a lower half of an egg body, which are fixed to form a hollow egg-shaped whole by upper and lower docking in a detachable manner, wherein the upper half of the egg body is made of fragile material, and the lower half of the egg body is made of non-fragile material. The mold for producing colored eggs of the invention comprises two groups of upper half molds of the egg body. The production process of colored eggs of the invention manufactures the upper half of the egg body and the lower half of the egg body separately, and the mold can produce two upper halves of the egg body each time the mold is closed, thereby doubling the production efficiency, and the upper half of the egg body can be produced, stored, packaged and transported separately from the lower half of the egg body, thereby reducing waste, and the lower half can be recycled, thereby increasing production and production efficiency, increasing the yield rate, being very convenient for packaging and transportation, reducing the packaging volume, and greatly reducing the packaging and transportation costs, thereby having significant progress.

The invention provides a granular mixture micropore pouring embedded pile fixing device and method, and relates to the technical field of embedded pile construction. One end of the embedded pile penetrates through the wall protection sleeve, and the other end of the embedded pile extends out of the drilled hole; the grouting layer is filled in a gap between the wall protection sleeve and the embedded pile; the positioning mechanism is used for positioning the embedded pile on the wall protection sleeve, and the positioning mechanism enables the central axis of the embedded pile to be collinear with the central axis of the wall protection sleeve; the positioning mechanism comprises a first positioning part and a second positioning part, and the first positioning part and the second positioning part are connected in a clamped mode. Wherein the first positioning part is positioned above the wall protection sleeve; and the second positioning part is arranged at a preset position of the embedded pile, so that when the second positioning part is in a clamping state, the part, located in the wall protection sleeve, of the embedded pile is a preset height. By means of the device, the problems that an orifice of an existing micropore cast-in-place pile is prone to collapse, and an embedded pile is not accurate in positioning and not enough in perpendicularity are solved.

The invention provides a modular assembly type SRC beam-SRC bracket column frame structure and an assembly method thereof. The modular assembly type SRC beam-SRC bracket column frame structure comprises SRC bracket columns, SRC beams and column-column joint cores. The SRC bracket column comprises a bracket column type steel framework and column concrete, bolt holes are formed in the upper end and the lower end of the column cross-shaped steel and the upper end and the lower end of the column concrete, and a beam-beam connecting core is arranged at the outer end of the bracket beam H-shaped steel; the SRC beam comprises beam H-shaped steel, beam concrete and beam shoes, the beam shoes are arranged at the two ends of the beam H-shaped steel, and the ends of the SRC beam are connected with the beam-beam connection cores of the SRC bracket columns through the beam shoes; the column-column node core comprises a node core plate and two groups of L-shaped end plates, and threaded holes are formed in corresponding positions of the L-shaped end plates; every two vertically adjacent SRC bracket columns are connected and fixed through the column-column joint cores and the single-side self-locking high-strength bolts, every two horizontally adjacent SRC bracket columns are connected and fixed together through the SRC beams and the single-side self-locking high-strength bolts, and a frame structure is formed.

The utility model relates to the technical field of medical supplies, in particular to degradable medicine-carrying hemostatic cotton with a double-layer structure, which comprises an internal hemostatic layer and an external functional layer wrapping the hemostatic layer, and the hemostatic layer and the functional layer are respectively formed by freeze-drying same polymer solutions with relatively high mass concentration and relatively low mass concentration. The functional layer is loaded with drugs, the porosity of the hemostatic layer is 60%-80%, and the porosity of the functional layer is 80%-90%. The high-concentration and low-porosity inner hemostatic layer provides mechanical compression force to play a role in rapid hemostasis in the initial stage, the low-concentration and high-porosity outer functional layer can be rapidly degraded, both compression strength and degradation speed are considered and balanced, meanwhile, the outer functional layer is used for loading drugs, and the outer functional layer has the characteristics of high porosity and rapid degradation, so that the effect of rapid hemostasis in the initial stage is achieved. The effect of rapidly releasing the medicine is achieved, it can be ensured that the medicine can be rapidly released to the bleeding part, and wound healing is promoted.

The present application relates to the field of gas turbine technology, and more particularly to a dynamic balancing method for the misalignment vibration problem of a gas turbine unit shaft system, which comprises the following steps in sequence: step A, implementing a first dynamic balancing weight scheme on a first weight plane of the gas turbine rotor; and step B, implementing a second dynamic balancing weight scheme on a second weight plane of the gas turbine rotor, wherein the weight angle of the second dynamic balancing weight scheme is 180 degrees different from the weight angle of the first dynamic balancing weight scheme. The dynamic balancing method for the misalignment vibration problem of the gas turbine unit shaft system according to the present application selects two weight planes to implement opposite weight, and the generated weight bending moment can balance the additional bending moment, so that the vibration condition of the unit is obviously improved. Different from the traditional influence coefficient method, the dynamic balancing method according to the present application directly attacks the essence of the vibration problem, reduces the number of starting machines and the resulting psychological pressure, saves considerable test cost, and has good application effect and promotional value.

The invention relates to the technical field of edible mushroom planting, and discloses a pleurotus geesteranus culture medium and a preparation method and a culture method thereof, and the pleurotus geesteranus culture medium is prepared from the following raw materials in parts by weight: 60-80 parts of caragana microphylla, 20-40 parts of cottonseed hull, 1-5 parts of lime powder, 6-12 parts of celastrus angulatus rhizome, 3-9 parts of fennel, 10-17 parts of orange peel and 15-20 parts of corncob. Celastrus angulatus rhizome, fennel and orange peel are added into the pleurotus geesteranus culture medium and are all botanical insecticides, insect pests can be effectively prevented and controlled, the yield is increased, and pleurotus geesteranus sporocarp cannot be affected. The celastrus angulatus rhizome has a killing effect on pests in the growth process of pleurotus geesteranus and is a botanical insecticide and a sterilizing agent; anisaldehyde rich in fennel is also an agricultural insecticide; the orange peel has a prevention and treatment effect on springtails.

The invention provides a construction method of a heat-shrinkable cage core capsule expanded-head anchor rod, and belongs to the technical field of anchor rod construction.The construction method of the heat-shrinkable cage core capsule expanded-head anchor rod comprises the following steps that an anchor rod body is coated with epoxy asphalt with the thickness not smaller than 300 micrometers from a hole opening to a capsule bag opening, and the anchor rod body is wrapped with a heat-shrinkable tube to be heated and shrunk; the buckle bearing bodies are installed every 1500 mm, and the cage core bags are installed at the ends of the anchor rods and locked and fixed through bolts; after the cushion layer is poured, paying off and positioning are conducted according to a design drawing, and the hole position error is not larger than 100 mm; manual assistance is needed for lowering the anchor rod, and the distance between the end of the rod body and the hole bottom is not larger than 100 mm; ordinary Portland cement is adopted for grouting, the strength is not lower than 35 MPa, and the opening diameter of the bag is monitored; supplementing grout 2 hours after grouting; after raft waterproof construction, spiral bars, positioning nuts and other parts are installed, steel bars are welded to the steel base plates to serve as temporary supports, and the positioning nuts are adjusted to keep the elevation and are connected with raft ribs in a welded mode; the bearing capacity of the anchor rod can be improved.

The present invention proposes a wiring structure for pressure-bearing equipment, including a pressure-bearing equipment housing, a protective cover, a terminal, a power cord, a cover plate and a terminal connection plate. The cover plate is sealed on the protective cover and connected with the protective cover to form a protective box with a wiring cavity inside; the protective cover is welded to the outer wall of the pressure-bearing equipment housing, and the terminal connection plate is arranged in the protective cover, with its back abutting against the bottom of the protective cover, and the terminal connection position thereon is arranged one-to-one with the external connector of the terminal and the power cord connector of the power cord; the power cord connector of the power cord, the external connector of the terminal and the terminal connection plate are fastened and connected by terminal bolts, power cord connector perforations, external connector perforations of the terminal and the mounting holes of the terminal connection plate. The present invention has a simple structure and is easy to produce. It not only meets the high reliability requirements of waterproof, dustproof and electric shock proof, but also is suitable for use in relatively harsh environments, greatly prolonging the service life of the core components of the pressure-bearing equipment and improving the stable operation time of the pressure-bearing equipment.

The present invention provides a refrigeration unit that can achieve the wide range temperature requirements in the refrigerated compartment, including a normal refrigeration unit, an ultra-low temperature auxiliary refrigeration unit and a heat exchanger. The normal refrigeration unit and the ultra-low temperature auxiliary refrigeration unit are respectively equipped with evaporators. The refrigerant after heat release and refrigeration by the condenser in the normal refrigeration unit is output in two ways. The first way is delivered to the first evaporator through the first stop valve and the first thermal expansion valve, and the second way is delivered to the first heat exchange path of the heat exchanger through the second stop valve and the second thermal expansion valve. In the ultra-low temperature auxiliary refrigeration unit, the condenser is replaced by a heat exchanger, and the refrigerant in the ultra-low temperature auxiliary refrigeration unit flows through the second heat exchange path of the heat exchanger to release heat. The unit is equipped with an additional ultra-low temperature auxiliary refrigeration unit and relies on the refrigeration of the normal refrigeration unit for heat dissipation, thereby widening the temperature range of the refrigerated vehicle, playing the role of ultra-low temperature refrigeration under special circumstances, and improving the matching degree of the product to special needs.

The invention discloses a semantic consistent double contrast learning long tail identification method, and belongs to the technical field of computer vision. Comprising the following steps: step 1, designing a double contrast learning framework, and optimizing a feature space through fusion supervision contrast learning; and meanwhile, a self-supervised comparative learning improvement model is introduced to enhance the feature invariance learning ability of data enhancement transformation. Step 2, designing a prototype-contrast dynamic semantic alignment strategy, adaptively correcting label noise caused by inter-class imbalance by utilizing class prototypes and classification probability in a semantic space, and coordinating the prototype-contrast dynamic semantic alignment strategy of feature space consistency through constraint based on the prototype; and 3, designing a double-branch decoupling classifier, dynamically adjusting the weight of the classifier in combination with a periodic cumulative learning strategy, realizing attention dynamic migration and tail category enhancement, inhibiting a head category dominant effect, and enhancing tail category representation learning. And therefore, the recognition performance of the long tail category is further improved.