44results about How to "Convenient source" patented technology

This invention discloses an optimized extraction and purification process for total flavonoids from Hypericum perforatum and its application in photodamage protection. Belonging to the field of natural product extraction technology, the process includes the following steps: using Hypericum perforatum powder as raw material, ultrasonic-assisted extraction is performed, followed by centrifugation, collection of the supernatant, and repeated extraction of the residue twice. The supernatants are combined to obtain a total flavonoid extract from Hypericum perforatum. The extract is then purified by adsorption using a macroporous adsorption resin, and the eluent is collected, concentrated, and dried to obtain high-purity total flavonoids from Hypericum perforatum. This invention features a stable process, high extraction efficiency, and is environmentally friendly, making it suitable for industrial production. The prepared total flavonoids from Hypericum perforatum exhibit high purity and significant antioxidant and photoprotective effects, and can be widely used in antioxidant, skin protection, and sunscreen products.

The present application relates to a kind of biodegradable dark color mulch and its preparation method, and dark color mulch is made of cellulose, hemicellulose and degradable coating.The manufacturing method includes the preparation of dark color mulch substrate, coating layer coating.It specifically includes slurry compounding, beating, additive addition, is formed by papermaking, dehydration, pre-drying, coating, sizing, drying, calendering, product after drying.The local film has good wet strength, light resistance, weather resistance, heat preservation and entropy increasing effect.The results of farmland degradation experiment show that the mulch can be biodegraded after 50~60 days, and the biodegradation rate is more than 90%.

The invention relates to the technical field of metallurgy, in particular to a preparation method of a high-nitrogen vanadium-nitrogen alloy and the high-nitrogen vanadium-nitrogen alloy.The preparation method comprises the following steps that 1, wet-based industrial-grade ammonium vanadate, a graphite carbon powder reducing agent, a metal iron powder catalyst and a water-based binder are mixed and stirred according to the mass ratio of 100: (18-22): (0.2-0.5): (8-20), and a mixture is obtained; 2, the mixed material is subjected to compression molding, and a preformed material is obtained; and 3, the preformed material is sequentially subjected to low-temperature pre-sintering dehydration treatment, high-temperature nitridation reduction treatment and cooling annealing treatment, and the high-nitrogen vanadium-nitrogen alloy is obtained. According to the preparation method, industrial-grade wet-based ammonium vanadate is directly adopted as a raw material, pretreatment is not needed, and the production cost is further reduced.

The utility model discloses a kind of acid-base unloading pump buffer tank and flushing water device, it is related to chemical equipment technical field;And the utility model includes unloading pump flushing inlet pipe, unloading acid-base pump, unloading pump flushing outlet pipe, acid-base pump machine seal flushing water inlet pipe, pump machine seal flushing water outlet pipe, buffer tank and control system, the unloading pump flushing inlet pipe is connected with unloading acid-base pump outlet pipe, first flushing inlet electric valve is equipped on the unloading pump flushing inlet pipe, the acid-base pump machine seal flushing water inlet pipe includes machine seal flushing inlet electric valve, the flushing water system of the utility model can be after unloading acid-base operation is completed remote control to unloading acid-base pump, conveying pipeline and buffer tank are flushed, without field operation, greatly improve cleaning efficiency, can thoroughly remove the acid-base liquid remaining in unloading pump, reduce equipment corrosion and environmental pollution, prolong the service life of equipment, reduce equipment maintenance cost.

This utility model discloses an auxiliary tooling for measuring the axial deformation of tapered roller bearings, relating to the field of bearing testing technology. It includes a pressure sleeve, a bearing ring, a support base, and a dial indicator. An annular boss is provided in the middle of the outer wall of the pressure sleeve. The bearing ring is interference-fitted to the bottom of the pressure sleeve. A groove for placing the bearing to be tested is provided on the upper surface of the support base. The lower end face of the bearing ring abuts against the upper end face of the bearing to be tested. A bracket is provided on the support base, and the dial indicator is fixedly mounted on the bracket with its probe abutting against the upper end face of the annular boss on the pressure sleeve. This utility model transmits the pressure applied by a press to the bearing to be tested, causing axial deformation. The dial indicator then accurately measures the displacement of the pressure sleeve, thereby indirectly obtaining the axial deformation measurement of the bearing. This facilitates specific statistical analysis of the axial displacement. The required materials are readily available, processing is convenient, costs are saved, and work efficiency is improved.

The utility model belongs to the technical field of cutter disassembly and assembly, and particularly relates to a cutter locking structure which comprises a cutter and a cutter handle, and a cam tensioning mechanism is arranged between the cutter and the cutter handle. The cam tensioning mechanism comprises a lock shaft and an eccentric wheel installed on the lock shaft, an axial tensioning piece is arranged between the cutter and the cutter handle, the axial tensioning piece is movably assembled in the cutter handle, one end of the axial tensioning piece is in threaded connection with the cutter, and a tensioning hole is formed in the axial tensioning piece; or a tensioning hole is formed in the short taper shank of the cutter; the axis of the tensioning hole coincides with the central axis of the cutter handle and is perpendicular to the axis of the lock shaft. The lock shaft can rotate relative to the cutter handle, penetrates into the cutter handle and is connected with the tensioning hole in an inserted mode so that the eccentric wheel can be located in the tensioning hole, the eccentric outer side of the eccentric wheel makes contact with the hole wall of the tensioning hole, and the eccentric wheel drives the cutter to move in the axial direction of the eccentric wheel under rotation of the lock shaft so as to tension the cutter. And a locking structure is arranged between the lock shaft and the knife handle. The tool can be prevented from loosening and rotating relative to the tool handle, machining precision is guaranteed, machining efficiency is improved, and machining cost is saved.

This invention discloses a method for determining the upper limit of water saturation in tight gas reservoirs using two-phase permeability analysis, comprising: 1. Selecting several rock samples for gas-water two-phase permeability analysis, and establishing a gas-water phase permeability curve based on the relative permeability of the water phase, the relative permeability of the gas phase, and the water saturation value of each rock sample; 2. Based on the gas-water phase permeability curve, first reading the water saturation value of each rock sample when the relative permeability of the water phase is a set value A, then reading the relative permeability of the gas phase corresponding to the same water saturation value of each rock sample, and determining the upper limit of water saturation for each rock sample accordingly; 3. Calculating the average value of the upper limit of water saturation for each rock sample, and the obtained average value is the upper limit of water saturation for the tight gas reservoir. This invention can accurately determine the upper limit of water saturation in tight gas reservoirs using relatively simple means, simplifying the determination process and improving accuracy compared to existing technologies, providing an accurate basis for the rational exploitation of tight gas reservoirs.

The utility model relates to an embedded rail area signal radar speed measuring device for urban rail transit, which comprises a microwave reflecting device, the microwave reflecting device is a zinc-plated solid iron block, the zinc-plated solid iron block comprises a solid iron core and a zinc-plated layer plated on the surface of the solid iron core, and the surface of the solid iron core is coated with a metal coating. A counter bore used for installing an anchor bolt is formed in the galvanized solid iron block. The utility model has the advantages that: 1) the device is maintenance-free and high in reliability: the device is installed and fixed on a ballast bed by punching a chemical anchor bolt, so that the firmness of a reflector can be ensured, and the maintenance workload is basically avoided in the operation period; 2) the cost is low: the galvanized solid iron block is adopted, materials are universal and easy to purchase and install, and the steel rail and the ballast bed are not influenced; and 3) the generalizability is strong: when the embedded rail is popularized and used in the urban rail transit field, the radar microwave signal reflection quality can be effectively improved, the normal working requirement of a radar velometer can be met, and the application of the reflection device can effectively solve the problem of radar microwave reflection failure.

This invention discloses a fermentation agent for treating agricultural ecological solid waste, its preparation method, and its application, belonging to the field of microbial technology. The fermentation agent of this invention comprises compound functional bacteria, soybean meal, molasses, disodium hydrogen phosphate, corn straw powder, and a preservative. The compound functional bacteria include *Bacillus subtilis*, *Trichoderma helicola*, and *Bacillus bellis*. This invention uses a compound of three strains—*Bacillus subtilis*, *Trichoderma helicola*, and *Bacillus bellis*—in a specific ratio to synergistically accelerate the decomposition of straw, effectively shortening the fermentation cycle and improving the decomposition effect. This agent can efficiently degrade agricultural ecological solid waste, converting it into high-quality organic fertilizer, thus turning waste into treasure. It solves the problem of agricultural solid waste pollution and saves fertilizer resources, demonstrating significant ecological, economic, and social benefits.

The application provides a high-efficiency vertical lifting type stirring mixer and a use method, relates to the field of stirring mixing equipment, and comprises a U-shaped base. Two sides of the top of the U-shaped base are respectively fixed with a rack column and a sliding rail column. The top of the rack column and the sliding rail column is fixed with a top frame. The head of the top frame is rotatably installed with a stirring main shaft through a bearing seat. The top end of the stirring main shaft is connected with a stirring power device. The bottom end of the stirring main shaft is installed with a three-arm stirring frame. The three-arm stirring frame is installed with a stirring paddle assembly for stirring. The sliding rail column is slidably installed with a lifting support. The lifting support and the U-shaped base are installed with a lifting power device. The lifting support is used for positioning and placing a stirring cylinder. The stirring cylinder is located directly below the stirring paddle assembly. The mixer can be used for stirring concrete raw materials in the process of small-batch concrete test block production. Automatic stirring paddles are adopted to realize sufficient stirring of the concrete.

The utility model relates to a mud monitoring and early warning system for drilling. The utility model discloses a mud pump, first high -pressure rubber pipe, electromagnetic flowmeter, display, check valve, second high -pressure rubber pipe and drill rod, the mud pump is passed first high -pressure rubber pipe with electromagnetic flowmeter intercommunication, and electromagnetic flowmeter is connected with display, and electromagnetic flowmeter is connected with check valve through flange, and check valve is connected with second high -pressure rubber pipe, and second high -pressure rubber pipe is connected with drill rod. The electromagnetic flowmeter and display set up between drill rod and mud pump can carry out monitoring and early warning to the real -time flow data of the mud passing. The utility model has the advantages of simple structure, economic reason, reusability and wide popularization prospect.

The utility model discloses a movable groove concrete pouring device, belongs to the technical field of groove pouring, and solves the problem that an existing concrete pump truck is inconvenient to pour a narrow groove. The device comprises two angle steel frames, the tops of the two angle steel frames are fixedly connected through a cross beam, and drainage plates used for guiding concrete to flow into a groove formwork are fixed between the two opposite side edges of the two angle steel frames. Universal wheels are arranged on the two sides of the bottom of each angle steel frame, and the two pairs of universal wheels are arranged in the two guide steel channels in a rolling mode correspondingly. Concrete is manually poured into the drainage plates on the two sides of the angle steel frame, the two drainage plates can drain the concrete into a cavity of the groove formwork, in the pouring process, the angle steel frame of the triangular structure provides stable support and adapts to the narrow groove formwork space, the drainage plates accurately guide the flow direction of the concrete, and the pouring efficiency is improved. And material overflow waste is reduced.

The invention discloses a hydrocarbon source rock thermal simulation gas isotope analysis sample introduction auxiliary device and method, and the device comprises a main pipeline connected to a gas outlet of an isotope ratio mass spectrometer, a plurality of concentration regulation and control pipelines connected to the main pipeline, a sample introduction amount controller and a gas chromatograph; each concentration regulation and control pipeline is provided with a regulation and control electromagnetic valve and a needle valve, and the sample injection concentration controller generates a control instruction for regulating and controlling the electromagnetic valves according to an analysis result of the gas chromatograph. During sample introduction, a gas sample is firstly injected into the isotope ratio mass spectrometer, each gas component gradually flows out of the chromatographic column according to the peak appearance time, and the sample introduction concentration controller controls the opening and closing of the corresponding electromagnetic valve according to a control instruction, so that a part of the gas component with high concentration is discharged within the peak appearance time period; the response values of all the gas components entering the isotope ratio mass spectrometer for analysis are in the same order of magnitude, and isotope analysis of all the gas components with large concentration difference can be completed through one-time sample introduction.

The utility model discloses a bearing seat self-alignment block of a short-stress-path finishing mill, which relates to the technical field of short-stress-path rolling mills and comprises an operation side bearing seat, and an outer side concave surface self-alignment block and an outer side convex surface self-alignment block which are oppositely arranged are mounted on the outer side of the operation side bearing seat. An inner side concave surface self-alignment block and an inner side convex surface self-alignment block which are oppositely arranged are mounted on the outer side of the operation side bearing seat, and the outer side concave surface self-alignment block, the outer side convex surface self-alignment block, the inner side concave surface self-alignment block and the inner side convex surface self-alignment block are mounted on the operation side bearing seat through self-made screws; the outer side convex surface self-alignment block and the inner side concave surface self-alignment block are both provided with spacer bushes, and the self-made screw is provided with a gasket; an oiling mechanism is arranged on the operation side bearing seat; the structure that the fixed block and the floating block are combined is adopted, the spacer bushes are arranged on the outer side convex surface self-alignment block and the inner side concave surface self-alignment block, and the spacer bushes and the screws are matched and fixed through the gaskets, so that the sphere center position of the concave-convex surface is fixed relative to the operation side bearing seat.

The present application relates to the technical field of vehicle passenger room air channel, in particular to a special air duct for vehicle air conditioner and a vehicle, the special air duct for vehicle air conditioner is a flexible body, used for being arranged in the air conditioner air supply duct, the special air duct has a special air inlet and a special air outlet, the special air inlet is connected with the air conditioner air outlet on the inner wall of the air conditioner air supply duct, and the special air outlet is connected with the air supply duct air outlet on the inner wall of the air conditioner air supply duct, so that the air treated by the air conditioner is conveyed into the vehicle compartment through the special air duct, air supply is carried out by using the flexible special air duct, the space in the air conditioner air supply duct can be adapted, the cross section area mutation is reduced, the influence of the existing parts in the air conditioner air supply duct on the airflow can be avoided, the airflow kinetic energy can be effectively reduced due to the contact between the airflow and the parts, and the uniformity of the air outlet of each air supply duct can be ensured.

The invention belongs to a simulation device, and particularly relates to a double-end crevasse simulation device for a pipeline. The double-end crevasse simulation device for the pipeline comprises a forged four-way joint arranged in the center, the front end and the rear end of the forged four-way joint are each provided with a sealing assembly, and each sealing assembly is connected with the forged four-way joint through a pressing crevasse assembly. The invention has the remarkable effects of simple structural design, convenience in material selection, easiness in processing and manufacturing and low manufacturing cost; the crevasse simulation piece is adjacent to the inner wall surface of the main pipeline, so that a crevasse simulation experiment is closer to reality, data measured by the crevasse experiment are more accurate, and the crevasse simulation piece has more practical significance; tests of various crevasse sizes can be realized by replacing crevasse simulators of different sizes, and the crevasse simulator is convenient to operate, free of complex structures and high in universality; the crevasse simulation piece is easy to process; the sealing element is easy to purchase and replace; the device can be used for research of pipeline crevasse tests in nuclear power, chemical industry, petrochemical industry and other industries, and crevasse tests of various media can be achieved by replacing materials.

The application provides a carbon-coated ion-doped vanadium oxide material and a preparation method and application thereof. The preparation method comprises the following steps: performing a solvothermal reaction on a reaction solution containing doped metal ions, a vanadium oxide intermediate solution, an oxidizing agent, a solvent and glucose, and calcining a solid obtained in a protective atmosphere to obtain the carbon-coated ion-doped vanadium oxide material. The doped metal ions are selected from one or more of Fe 3+ , Ni 2+ and Cu 2+ . The application improves the conductivity of the vanadium oxide material and the electrochemical stability in the cycle process by embedding metal ions in the vanadium oxide.

The invention discloses a steel structure modular building capable of being rapidly manufactured and installed and a vertical and horizontal connecting method of the steel structure modular building. The modular building comprises a plurality of standardized building modules, vertical connecting structures and horizontal connecting structures, wherein the vertical connecting structures and the horizontal connecting structures are used for connecting the adjacent standardized building modules. Each standardized building module comprises a steel frame of a cubic frame structure, light wallboards embedded in the four side faces of the steel frame, light battens assembled on the top face of the steel frame, and concrete composite floor slabs assembled on the bottom face of the steel frame. An inner partition plate II and an inner partition plate I provided with holes are arranged in a steel pipe column forming the steel frame, so that a cavity used for containing the vertical connecting structure is defined at the upper end and the lower end of the steel pipe column, and grouting holes and / or grout outlet holes are further formed in the pipe wall of the cavity. A connecting reinforcement cage is placed in the cavity, grouting materials are poured to complete vertical connection, and horizontal connection is conducted through welding. The modular building is easy to manufacture and high in construction speed, and the integrity and the earthquake resistance can be effectively improved.

The invention provides a clothing online quality inspection method, system, medium and device based on visual inspection. The method comprises the following steps: acquiring a collected clothing image; the garment image is input into a trained neural network model, model output is extracted, a detection result is obtained, and the neural network model comprises flaw bounding box prediction and target loss function construction; action instructions capable of executing actions are generated on the basis of the detection results, different detection results correspond to different action instructions, and the detection results at least comprise qualified results, flaw types, flaw positions and flaw confidence coefficients; the corresponding action instructions are output on the basis of the detection result in combination with different actuators, and the action instructions comprise trimming triggering, blowing triggering and sorting triggering. According to the invention, full-automatic closed-loop detection is realized, ultrahigh-efficiency, high-precision and consistent work is realized, seamless integration into a production line is realized, manual intervention is greatly reduced, and the production efficiency and the quality stability are remarkably improved.

This invention relates to the field of pharmaceutical synthesis technology, specifically disclosing a method for preparing a gipotassium intermediate. The method uses 2-aminopropane-1,3-diol and 6-methoxy-2-chloro-3-nitropyridine as starting materials, and proceeds through multiple steps including nucleophilic substitution, acetal protection, reduction, N-alkylation, cyclization, oxidation, deprotection, sulfonation, and deprotection-salting-desalting reactions to obtain a target intermediate with high optical purity. This invention optimizes the reaction system and process conditions, especially in the downstream chiral construction stage, innovatively integrating the removal of the Boc protecting group and chiral separation into a single step. Utilizing the selective precipitation of the target diastereomeric salt by levonormonal camphor sulfonic acid in an acetonitrile system, it achieves integrated reaction and separation, effectively solving the technical bottlenecks of existing technologies that rely on preparative chiral chromatography columns, such as lengthy synthetic routes, low overall yields, harsh reaction conditions, dependence on expensive or hazardous reagents, and difficult purification.

The invention discloses a battery positioning structure, belongs to the technical field of battery positioning, and solves the problems that an existing positioning mechanism is poor in compatibility and tedious in remodeling. The structure comprises an operation table, a first transverse adjusting plate, a longitudinal check block, a longitudinal power module, a transverse check block and a transverse power module. The longitudinal power module comprises a longitudinal driver, a second transverse adjusting plate and a longitudinal extrusion assembly, the transverse power module comprises a transverse driver, a first transverse sliding block and a transverse extrusion assembly, and the driving directions of the longitudinal driver and the transverse driver are perpendicular. The installation positions of the check blocks and the extrusion assemblies can be adjusted along the corresponding adjusting plates or the sliding blocks. The structure can clamp and position the batteries in the orthogonal direction, is adaptive to various arrangement forms such as vertical arrangement and horizontal arrangement, does not need to replace the whole set of mold for model change, is simple and convenient to operate, high in positioning precision and high in stability, and can meet the flexible and efficient batch production requirements of an automatic production line.

The application relates to the technical field of agricultural planting, and discloses a rotary cultivator with adjustable ploughing depth, which comprises a machine body, a depth adjusting mechanism and a rotary cultivator roller, the rotary cultivator roller is provided with a connecting mechanism and a nut limiter, and the rotary cultivator roller is connected with rotary cultivator blades through the connecting mechanism. The rotary cultivator with adjustable ploughing depth is provided with the connecting mechanism, the rotary cultivator blades are preliminarily positioned through the installation box blade installation groove, the oblique angle design of the blades and the butt joint blocks facilitates automatic avoidance during insertion, the spring of the reset device can push the butt joint blocks to be inserted into the butt joint grooves, simultaneously push the blades to the positioning blocks so that the blades are clamped into the positioning grooves, and the pre-fixing is quickly completed; when fastening, the nut limiter fixes the hexagonal nut through the limiting plate and the trapezoidal limiting block, only the bolt needs to be rotated to be locked; when disassembling, the blades can be released from the limiting after the bolt is loosened, two wrenches are not needed to be used by two persons, the operation process is greatly simplified, the blade replacement time is shortened, and the ploughing operation interruption time is reduced.

The utility model relates to the technical field of micro-nano optics, in particular to a light field switching device and a light field switching and characterization system. The light field switching device comprises a laser, an optical parametric oscillator, a three-dimensional moving table, a substrate and an oil-immersed objective lens fixed on the three-dimensional moving table, the laser, the optical parametric oscillator, the three-dimensional moving table and the substrate are sequentially arranged, a metal film layer is plated on one side of the substrate, and the three-dimensional moving table is configured to bear the oil-immersed objective lens to move relative to the substrate. The three-dimensional moving table is moved to drive the oil-immersed objective lens to move, so that the relative distance between the focus of the oil-immersed objective lens and the metal film layer on the substrate is changed, the focusing degree of the exciting light is controlled, the exciting light focused by the oil-immersed objective lens and the metal film layer are subjected to different reactions, and different fields to be measured are generated. A user can quickly switch different tight focusing light fields and surface plasmon polariton fields only by adjusting the three-dimensional mobile station, and when parameters of incident light are changed, the switching device is still applicable and has high reusability.

The utility model belongs to the technical field of chemical equipment, and discloses an improved chemical small-scale test stirring device. The improved chemical small-scale test stirring device comprises a stirring mechanism and a reaction container, the stirring mechanism is detachably installed on the reaction container, raw materials to be stirred can be contained in the reaction container, and the stirring mechanism can stir the raw materials to be stirred in the reaction container. According to the utility model, through the modularized design, the rapid installation and disassembly can be realized, the operation can be completed by only one person, the disadvantage that the cooperation of multiple persons is needed in the prior art is solved, and the experiment efficiency is greatly improved. Through modular arrangement, all parts in the device can be replaced and cleaned in time, and the influence of residual substances on the device on subsequent experiments is avoided.

The utility model discloses a bridge pile foundation anti-scour structure which comprises an anti-scour protection wall and an isolation layer, the anti-scour protection wall is annular, the anti-scour protection wall is arranged outside a pile foundation body in a sleeved mode, the bottom of the anti-scour protection wall abuts against a riverbed, and the top of the anti-scour protection wall is located above a flowing water face. The anti-scouring protection wall comprises concrete and protection wall steel bars, and the protection wall steel bars are arranged in the concrete. A gap is formed between the anti-scouring protection wall and the pile foundation body, and the isolation layer is arranged in the gap. The technical effects are achieved as follows: the scouring of water flow to the pile foundation body is reduced by utilizing the anti-scouring protection wall, the thickness of a pile foundation steel bar protection layer is indirectly increased, the corrosion speed of pile foundation steel bars is slowed down, and the bearing capacity of the pile foundation body is guaranteed; the anti-scour protection wall is not influenced by the elevation of the river channel scoured by water flow, and the anti-scour protection wall is influenced by self gravity and descends to a riverbed while the scoured elevation of the river channel is reduced; materials required by the anti-scour retaining wall are common materials in construction, so that an existing pile foundation can be conveniently constructed and transformed, and the repair construction cost can be reduced.

The present application relates to the field of composite fibers, in particular to a reactive thermoplastic sizing agent and a preparation method thereof. The sizing agent comprises: a reactive polyaryletherketone, the reactive polyaryletherketone has the structure shown in the following formula: wherein x+y=1, 0.5≤x≤1, the Ar is selected from one or more of phenolphthalein, bisphenol fluorene, hexafluorobisphenol derived divalent aromatic groups. The preparation method of the sizing agent is: synthesis of fluorine atom terminated polyaryletherketone prepolymer, preparation of mercapto terminated reactive polyaryletherketone, preparation of reactive thermoplastic sizing agent. The carbon fiber treated by the sizing agent has excellent heat resistance, the 5% decomposition temperature reaches 440 DEG C; the interface bonding between the polyaryletherketone matrix and the carbon fiber is significantly improved.

The application discloses a kind of micro-hole angle detection methods of thin-walled parts, it is characterized in that, its hardware includes: five-axis three coordinates, optical fiber lamp, high-precision camera, each coordinate position standard ball, tooling, computer;Its method is: using the detection accuracy of three coordinates, the length of optical fiber lamp is used to accurately detect the angle of small inclined hole on thin-walled part first calibrate five-axis three coordinates with standard ball, then use optical method to calibrate the datum of tooling and product, so that tooling and product have an accurate positioning datum in the three coordinate coordinate system of five-axis three coordinates, then move and rotate optical fiber lamp through XYZ three directions, focus light through micro-hole, make high-precision camera capture micro-hole light, then measure each micro-hole angle using three coordinate measurement program.The beneficial effects of the application are: 1. simple and reliable, low cost;2. high efficiency;3. can detect accurately, high precision.

The application provides a compound omeprazole dry suspension and a preparation method thereof, and relates to the technical field of pharmaceutical preparations.The compound omeprazole dry suspension comprises the following raw materials: omeprazole, sodium bicarbonate, magnesium silico-aluminate, hard stearic acid modified hydrotalcite, low acyl gellan gum, hydroxypropyl methyl cellulose and trehalose.The application provides a compound omeprazole dry suspension and a preparation method thereof, and the compound omeprazole dry suspension with specific particle size is prepared through specific proportioning of auxiliary materials and a specific preparation process, and the stability and solubility are significantly improved.

The utility model discloses a transformer cabinet body of safety belt electricity interlocking, including skeleton and the plate body of installation on the skeleton, the plate body of skeleton front and back side includes left door and right door, and the skeleton front and back side has left door frame and right door frame, and the outside side of left door and right door is hinged on left door frame and right door frame respectively, and the adjacent side of left door frame and right door frame shares a middle vertical roof beam, and the electricity interlocking lock and the up and down knob type lock are installed on left door or right door, and the first interlocking plate and the second interlocking plate are installed on the middle vertical roof beam, and the first interlocking plate is equipped with the first lock hole of the lock tongue of electricity interlocking lock and is inserted, and the second interlocking plate is equipped with the second lock hole of the lock rod of up and down knob type lock and is inserted, and the door board of left door and right door does not install the lock and folds along the door board edge of installing the lock. The utility model discloses the electricity interlocking lock and up and down knob type lock are opened simultaneously, and the cabinet door can be opened only, and the interlocking is reliable and safe, and the space that can open is bigger, guarantees the maintenance passageway space.

The application discloses a slow active hydraulic suspension system based on a reversing valve and a control method thereof, which comprises a hydraulic system, an air spring system, vehicle-mounted sensors and an ECU; the hydraulic system comprises a one-way pump, a two-position four-way electromagnetic valve, an adjustable damping valve and a hydraulic cylinder, the hydraulic cylinder is fixed on a wheel, a hydraulic cylinder piston rod is fixed on a vehicle body, the adjustable damping valve is installed between a hydraulic cylinder upper cavity and a first accumulator, a hydraulic cylinder lower cavity is communicated with a second accumulator, the first accumulator and the second accumulator are connected with the two-position four-way electromagnetic valve respectively, the two-position four-way electromagnetic valve is communicated with the one-way pump to form a hydraulic system loop; the air spring system comprises an air spring, an air pump and a motor, the air spring is connected with the vehicle body and the hydraulic cylinder, the motor is connected with the air pump through a first clutch, and the air pump is connected with the air spring; the hydraulic system and the air spring system share the motor, and the motor is further connected with the one-way pump through a second clutch.