25results about How to "Significantly progressive" patented technology

The invention discloses an industrial manufacturing method of a thin-gauge high-strength low-yield-ratio H2S-corrosion-resistant hot-rolled plate coil and discloses a specific production process flow, and the hot-rolled plate coil comprises the following chemical components in percentage by mass: 0.035%-0.055% of C, 0.10%-0.20% of S i, 1.00%-1.20% of Mn, less than or equal to 0.015% of P, less than or equal to 0.0015% of S, 0.03%-0.05% of Nb, less than or equal to 0.30% of Cr + T i, 0.02%-0.06% of Al and the balance of Fe and inevitable impurities. According to the component design, low-carbon C-Mn steel is used as a main component, trace Nb, Cr and the like are added for alloying, and the steel for the ERW welding pipe with low yield ratio and welding pipe forming performance, hydrogen induced cracking resistance and hydrogen sulfide stress cracking resistance is obtained by combining an ultra-low sulfur smelting control technology and a TMCP controlled rolling and controlled cooling technology.

The invention discloses a tissue culture and rapid propagation method for a fig male tree germplasm material, and belongs to the technical field of plant tissue culture and rapid propagation. The specific method comprises the following steps: (1) obtaining and disinfecting an explant; (2) primary culture of buds; (3) subculture multiplication of buds; (3) rooting culture; and (4) hardening seedlings and transplanting. According to the method, the optimal culture medium for tissue culture and rapid propagation of the fig male tree is obtained by combining different hormones and adjusting different hormone concentration ratios, and the differentiation and proliferation of buds of the fig male tree and the growth and rooting rate of seedlings are remarkably improved. In the explant treatment, tebuconazole carbendazim, 75% alcohol and sodium hypochlorite are adopted for the first time, so that the use of a highly toxic reagent mercury bichloride is avoided; cefotaxime sodium is added into a primary culture medium, so that the pollution rate of explants is reduced; the method is simple to operate, time-saving, labor-saving, safe and environment-friendly, and improves the inoculation quality and efficiency. The method is not limited by seasons, enlarges the excellent male tree population of the figs in a short time, and lays a foundation for cultivating new germplasm of the figs.

The embodiment of the invention provides an optical test method and device for identifying fly-eye lens defects and a medium. The optical test method for identifying fly's-eye lens defects comprises the following steps: enabling parallel light to pass through a fly's-eye lens to be tested and then to be projected to a lens group; focusing the light emitted by the fly's-eye lens through the lens group, so that the light forms a light spot of the fly's-eye lens on a preset imaging surface; comparing the light spot of the fly-eye lens with a standard light spot; and according to a comparison result, identifying whether the fly's-eye lens has defects or not.

The invention provides an intelligent transportation packaging box for composite materials, and relates to the technical field of packaging boxes, the intelligent transportation packaging box comprises an upper box, a lower box is arranged at the bottom end of the upper box, a limiting boss is fixedly mounted at the top end of the upper box, a limiting groove is formed in the bottom end of the lower box, and reinforcing ribs A and reinforcing ribs B are fixedly mounted on the surfaces of the upper box and the lower box; locking hasps are arranged at the positions, close to the centers, of the surfaces of the upper box and the lower box, and a handle is fixedly installed at the top end of the upper box. According to the packaging box, the upper box and the lower box can be attached more tightly through the sealing strip and the boss body, the sealing performance is improved, and the data acquisition system can monitor and record the transportation state of the packaging box in real time, record the transportation track and the transportation speed of the packaging box and record the opening time and the opening frequency of the packaging box; the internal temperature change of the packaging box and the vibration condition of the packaging box are recorded, practicability is high, and advancement is remarkable.

This invention relates to the field of decorative engineering technology, and discloses a method and system for generating virtual renderings of decorative engineering projects. The method includes: S1, parsing CAD drawings; S2, identifying professional intent; S3, defining and configuring key aesthetic elements; S4, attributing and correcting model parameters; S5, conflict detection; S6, adaptive fusion and correction; S7, material mapping and lighting calculation; and S8, outputting the virtual rendering. This invention solves the problem that the complexity of CAD drawings leads to incomplete or inaccurate geometric structures in 3D models, which in turn affects material mapping and lighting calculation, thus impacting the visual realism of virtual renderings.

The present invention discloses a circulating fan for sludge disposal and drying, comprising a housing, an impeller in the housing, a motor outside the housing, and a rotating shaft connected to the inside and outside of the housing and connected to the impeller and the motor respectively, and the housing is sealed and connected to the air inlet pipe and the air outlet pipe in two directions. In particular, the rotating shaft is sleeved with an integral rotating wind pressure sealing ring close to the outer wall of the housing, the inner end of the wind pressure sealing ring close to the housing matches the clearance of the housing surface, and the outer end away from the housing is set as a trumpet-shaped opening, and more than three independent spoiler blades are distributed on the ring wall inside the opening, and the spoiler blades are formed into an arc surface that guides flow from the outside to the inside along the rotation direction of the rotating shaft, and a plurality of air holes are distributed on the periphery of the inner end. The improved structure of the fan of the present invention is applied, and the wind pressure sealing ring sleeved on the rotating shaft is used to prevent the overflow of odor and reach more than 97%, which effectively improves the factory environment around the fan and improves human comfort and safety.

The invention discloses a retaining controllable hydraulic oil cylinder which is provided with an oil cylinder body, an oil pipe, a hydraulic valve and a push rod which is pushed outwards to provide sufficient pressure, an external thread is arranged on the surface of the push rod, a retaining nut lantern ring with an internal thread is installed on the push rod, and the retaining nut lantern ring is controlled to rotate so as to be in axial displacement with the push rod. When pressure output by the push rod is in place, an adjustable gap is preset for the retaining nut lantern ring facing the oil cylinder body, the retaining nut lantern ring and the push rod are integrally formed in a rotation stopping mode, and the push rod is retained and limited in the gap return-to-zero mode. According to the hydraulic oil cylinder, the retaining nut lantern ring is installed and connected on the threads of the push rod or the oil cylinder body, so that the push rod can obtain a firm and reliable retaining effect on the premise that the push rod meets the construction requirement for outputting thrust, and catastrophic accidents caused by failure of the hydraulic oil cylinder are completely eradicated; and in addition, the lower retaining gap is flexible and adjustable, and the operation has diversified choices.

A lightweight dual-branch convolutional neural network for image object detection and its detection method, which solves the lightweight image object detection task by constructing a dual-path network, consists of a dual-path backbone network, a feature pyramid and a lightweight detection head. The core module of the backbone network is an enhanced shuffle module ESB, and an efficient self-attention module ESAM is used to capture the global dependency of features while maintaining very few model parameters and computational complexity. The backbone network adopts a dual-branch network, one branch maintains high resolution, and the other branch uses continuous downsampling to obtain abstract semantic information. In the feature pyramid, ESAM is expanded to ECAM to capture the relationship between features of different resolutions. The detection head uses lightweight depth-separable convolution to predict borders and categories. Experimental results show that this network architecture and detection method achieve the best balance between detection accuracy and implementation efficiency, and become an effective method for solving lightweight image object detection tasks.

The invention discloses an integrated air floating main shaft which is provided with a bearing outer ring and a bearing inner ring which are nested inside and outside and are in clearance fit, the top of the bearing inner ring is connected with an objective table and is driven to rotate, the bottom of the air floating main shaft is provided with an adjusting unit for driving the objective table to move in the Z-axis direction, and the bearing outer ring is fixedly connected. The adjusting unit is sealed in a counter bore formed in the bottom of the bearing inner ring through the lower end cover, the linear motor stator is fixedly connected to the lower end cover, the linear motor rotor is coaxially connected to the linear motor stator in a sleeved mode, and the linear motor rotor supports the bearing inner ring to conduct Z-axis direction adjustment. A cavity communicated with an air passage in the air floating main shaft is formed between the bottoms of the bearing inner ring and the bearing outer ring and the lower end cover, and the air pressure in the cavity is increased to balance the self weight of the bearing inner ring and the attachment thereof. According to the integrated air floating main shaft, the frequency of adjustment in the Z-axis direction can be greatly improved, and the volume duty and the energy efficiency of the air floating main shaft are optimized on the basis that the production efficiency and the product quality are improved.

This invention belongs to the field of fluid machinery and tribology, and discloses a ceramic friction pair thrust disc suitable for high-temperature operation of sealless pumps. The ceramic friction pair thrust disc includes a metal thrust disc base, a ceramic friction ring, a metal bushing, and fastening screws. This invention achieves uniform circumferential stress transmission by setting an integral metal bushing around the ceramic friction ring and using an interference fit determined based on thermal expansion difference and strength verification. This structure effectively avoids the problem of localized stress concentration or cracking of the ceramic ring caused by empirically determined interference fit values ​​in existing technologies. By rationally controlling the interference range, the metal bushing can maintain a pressing effect on the ceramic ring under high-temperature conditions without exceeding the allowable strength of the ceramic material, ensuring that the ceramic end face remains flat for a long time. Compared with the traditional solution that relies solely on large interference fit, this invention can provide a stable and controllable pressing force at high temperatures.

The invention discloses a device for automatically breaking, separating and recycling garbage bags, which comprises a shell, an automatic bag breaking operation chamber and an automatic separating and recycling operation chamber are arranged in an inner cavity of the shell, and a bag breaking roller and a linear motion component are arranged in the automatic bag breaking operation chamber; a garbage bag conveying roller and a garbage bag conveying plate which can be connected with the garbage bag conveying roller are arranged in the automatic separation and recovery operation chamber; a partition baffle is vertically arranged between the automatic bag breaking operation chamber and the automatic separation and recovery operation chamber, and a garbage bag conveying inlet is formed in the partition baffle. In addition, a garbage temporary storage plate and a garbage receiving plate capable of being opened and closed are arranged at the bottom of the automatic bag breaking operation chamber, and the garbage receiving plate can be connected with the garbage temporary storage plate when in a closed state. According to the device, automatic bag breaking and automatic separation and recovery of the garbage bags can be achieved, and the device has the advantages of being time-saving, labor-saving, safe, sanitary, simple in structure, convenient to use, safe and the like, and is remarkable in universality and practicability.

The utility model discloses a ground walking robot for the farm inspection, including robot body and main control unit, is equipped with the crawler type walking mechanism in the bottom of robot body, is equipped with the horizontal rotation robot head in the top of robot body, is equipped with the environmental monitoring sensor in robot body and / or robot head, is equipped with the camera in the front side, left side and right side of robot head respectively, environmental monitoring sensor and camera all are connected with main control unit signal. The robot can be used for the ground walking inspection in the farm, not only can be used for real -time monitoring the environmental condition in the farm, still can be used for all -round inspection to the breeding house, and walking stability is good, will not appear the adverse situation such as side -over, car body tremble, can satisfy the automatic inspection demand in the farm of the environment relatively complex very well.

The present invention relates to the field of medical technology, and in particular to a highly stable vitamin B6 injection and a preparation method thereof. In the present invention, each 1000ml of the highly stable vitamin B6 injection contains, in addition to 100g of vitamin B6, 2.5-3.5g of an antioxidant, 3.6-4.5g of an antidegradant and 1.2-1.5g of a stabilizer. The antioxidant is one or more of sodium bisulfite, sodium pyrosulfite and sodium thiosulfate, the antidegradant is N-acetylcysteine, and the stabilizer is taurine and meglumine. The highly stable vitamin B6 injection provided by the present invention has high stability, and after undergoing 6 months of accelerated stability testing, the content of related substances is less than 0.05%, which is far below the pharmacopoeia standard.

This invention discloses a method for determining the polyvinyl alcohol (PVA) content in polyvinyl alcohol eye drops. The method includes taking a sample of the PVA eye drops, performing a derivatization-ultraviolet spectrophotometric assay at a wavelength of 675 nm, and calculating the PVA content in the eye drops using the external standard method. This invention is simple to operate, time-saving, labor-saving, easy to master, highly specific, accurate, and precise, providing accurate measurement results and can be used for the determination of PVA content in PVA eye drops.

The invention discloses a method for realizing anti-caking of acrylic resin powder, which comprises the following steps: firstly, uniformly mixing solid acrylic resin which is subjected to polymerization reaction and post-treatment and is not dried with a solution or dispersion liquid of an anti-caking aid, and then drying the obtained mixture to constant weight at 30-50 DEG C; the solution or dispersion liquid of the anti-caking additive is prepared by dissolving or dispersing an amine compound in water; and the dosage of the solution or dispersion liquid of the anti-caking auxiliary agent is 0.005-1% of the total mass of the solid acrylic resin polymerization reaction monomer based on the mass of the amine compound in the solution or dispersion liquid of the anti-caking auxiliary agent. According to the method, the obtained solid acrylic resin powder has excellent anti-caking performance, the dosage of the amine compound serving as the anti-caking additive is very small, the existing production equipment and polymerization process of the solid acrylic resin do not need to be changed, operation is easy and convenient, universality and repeatability are achieved, and industrial application is easy to achieve.

The application discloses a model inference acceleration method, system, device and medium of a vehicle-mounted edge device, the method comprising: by analyzing the inference task request and dynamically hot loading the model weight, mapping the pre-filling stage and the decoding stage to different CUDA streams for parallel processing, and introducing a forced preemption mechanism to ensure the real-time performance of high-priority tasks. Through paging memory management and KV Cache hierarchical replacement strategy, the memory resources are optimized, and combined with power consumption monitoring and bottom layer hardware instruction set optimization, the technical problems of low resource utilization, high-priority task delay and excessive power consumption of the existing vehicle-mounted edge device in multi-task concurrency are solved. The application can effectively improve the inference throughput and system stability of the model in the vehicle-mounted edge device, solve the technical problems of low resource utilization, high-priority task delay and excessive power consumption of the existing vehicle-mounted edge device in multi-task concurrency, and is suitable for complex computing scenarios of intelligent vehicles.

This invention discloses a method for determining the content of magnesium sulfate sodium potassium oral concentrate. The method includes taking a sample of the magnesium sulfate sodium potassium oral concentrate, diluting it with an ammonium chloride solution containing approximately 0.18 mmol / L ammonium ions as a solvent, performing ion chromatography with specific chromatographic parameters, and calculating the content of magnesium sulfate, sodium sulfate, and potassium sulfate in the solution using the external standard method. This invention is simple to operate, time-saving, labor-saving, easy to master, highly specific, accurate, and precise, providing accurate results. It can be used for the determination of the content of magnesium sulfate sodium potassium oral concentrate.

The invention discloses an injection for preventing and treating delirium of ICU (intensive care unit) critical and cancer postoperative patients as well as a preparation method and application of the injection, and belongs to the technical field of pharmaceutical preparations. The injection is prepared from the following components in percentage by weight: 0.001 to 0.5 percent of melatonin receptor stimulant, 530 percent of oil for injection, 0.55 percent of phospholipid, 00.5 percent of co-emulsion, 0.55 percent of isoosmotic adjusting agent, 0.011.0 percent of pH (Potential of Hydrogen) adjusting agent and the balance of water for injection, and the pH is 5.010.0. The preparation process comprises the steps of oil phase preparation, water phase preparation, emulsification, high-pressure homogenization, sterilization and the like. The average particle size (D50) of the injection is 100350nm, the content of large emulsion particles with the particle size of 5 microns is 0-0.05%, the release rate within one hour is not lower than 80%, and the main drug content within 24 months of validity is not lower than 90%. According to the invention, the drug treatment accessibility of existing ICU severe illness and cancer postoperative delirium is realized. The product takes effect quickly after administration, can realize smooth transition from short-term injection administration to oral administration in a recovery phase after ICU / severe illness operation, and has a remarkable clinical compliance advantage.

The invention discloses a method for realizing anti-caking of acrylic resin powder by a chemical doping method, which is characterized in that an amine compound is simultaneously added into a polymerization reaction system of acrylic resin to serve as an anti-caking auxiliary agent to carry out polymerization reaction, and the addition amount of the amine compound is 0.005-1% of the total mass of a polymerization monomer. According to the method, the prepared solid acrylic resin powder has excellent anti-caking performance, the addition amount of the amine compound serving as the anti-caking additive is very small, the existing production equipment and polymerization process of the solid acrylic resin do not need to be changed, and the method has universality and repeatability and is easy to realize industrial application.

This application discloses an online power flow calculation method for isolated power grids in offshore oil and gas fields. The method comprises four core modules: static model construction, real-time data acquisition, dynamic topology identification, and online power flow calculation. In the static modeling stage, standardized models are established for each power grid component and unique indices are assigned, with parameters for submarine cables and transformers obtained from a dedicated parameter library. In the real-time data acquisition stage, dynamic data such as circuit breaker status and generator output are read from the platform monitoring system. Dynamic topology identification employs a node merging method, automatically dividing electrical islands based on switch status. In the online power flow calculation stage, second-level power flow solutions are performed using the PyPSa library, enabling real-time simulation of operational consequences. This method, through accurate isolated power grid modeling, generator control strategies adapted to isolated operation, and a dedicated risk warning mechanism, effectively solves the scheduling challenges posed by the prominent capacitive reactive power and variable operating modes of offshore power grids, significantly improving the safety and efficiency of power grid operation.

The application belongs to the technical field of biological medicine, and particularly relates to a Brucella recombinant multi-epitope vaccine and application thereof. The application provides a Brucella recombinant multi-epitope vaccine protein, and the vaccine protein is a first vaccine variant rBMEV1 or a second vaccine variant rBMEV2. The results of examples prove that the vaccine provided by the application can stimulate a strong cross immune response against main pathogenic species (such as sheep species, bovine species and porcine species) of Brucella. Animal tests prove that the vaccine can induce high-level and long-lasting specific antibodies, and significantly activate CD4 + and CD8 + T cells and corresponding cytokine responses, and has good safety. The application solves the problems of a narrow protection spectrum, a dependence on exogenous adjuvants and a single immune type of a traditional Brucella vaccine, and provides a new generation of high-efficiency, broad-spectrum and safe candidate vaccine strategy for the prevention and control of brucellosis.

The invention relates to a large-scale preparation method of a protamine oligopeptide-zinc-aquatic animal muscle hydrolysate compound. The preparation method comprises the following steps: by taking muscular tissues and mature testis tissues of aquatic animals as raw materials, respectively preparing an aquatic animal muscle hydrolysate and protamine oligopeptide; appropriate anion / cation exchange chromatography / resin purification is selected to obtain four aquatic animal muscle hydrolysates and protamine oligopeptides with higher key amino acid content; on the basis, the protamine oligopeptide-zinc-aquatic animal muscle hydrolysate compound which is good in antibacterial activity and higher in arginine and zinc element content and gives consideration to the content of four key amino acids is prepared through a two-step complexing process. The invention solves the problem that the peptide substances prepared by the previous patent technology always have anions which are harmful or useless to human bodies, and the prepared hydrolysate compound has high contents of peptide / amino acid and zinc which really exert functional activity.

The present application provides an active shock absorption method, an active shock absorption system and a vehicle for a vehicle. The active shock absorption method obtains the unsprung acceleration a of the front axle, when the unsprung acceleration a≧a1, a1 is a threshold, records the driving time T of the vehicle, and controls the rear axle shock absorber to adjust the damping according to the driving time T of the vehicle, so as to improve the shock absorption performance of the vehicle and improve the comfort of the vehicle.

The invention discloses a low-temperature plasma processing device capable of realizing online self-cleaning and a method for using the low-temperature plasma processing device. The low-temperature plasma processing device comprises a sealable box, a rotating shaft is penetrated in the transverse direction of the sealable box, a positive electrode fixing disc and a negative electrode fixing disc are rotatably connected on the rotating shaft, N layers of discharge tubes are penetrated between the positive electrode fixing disc and the negative electrode fixing disc, each layer of discharge tubes is formed by a plurality of similar discharge tubes uniformly distributed 360 degrees with the rotating shaft as the center, and the electrical properties of two adjacent layers of discharge tubes are opposite; conductive plate fixing seats are respectively sleeved on the rotating shafts located outside the positive electrode fixing disc and outside the negative electrode fixing disc, and each conductive plate fixing seat is respectively fixedly connected to the inner wall of the sealable box adjacent to it; an arc-shaped conductive plate is embedded on the inner side of each conductive plate fixing seat, and a plurality of conductive contacts capable of simultaneously conducting electricity with the arc-shaped conductive plate and the conductive end of the discharge tube are penetrated on the positive electrode fixing disc and the negative electrode fixing disc.

The invention discloses a method for analyzing related substances of tibolone tablets. The method comprises the following steps: detecting or separating a to-be-detected sample by adopting a high performance liquid chromatography; wherein the detection conditions of the liquid chromatography are as follows: octadecyl bonded silica gel is used as a filling agent of a chromatographic column; the mobile phase A is water; the mobile phase B is acetonitrile-methanol; in the mobile phase B, the volume ratio of acetonitrile to methanol is (75-85): (25-15); the elution mode of the liquid chromatography is linear gradient elution. The detection and separation method provided by the invention can effectively separate tibolone from impurities, can effectively detect a plurality of impurities of tibolone tablets, and is high in sensitivity, strong in specificity, low in cost and simple and safe to operate.