55results about How to "Simple technology" patented technology

The invention provides a method for breeding spores of cibotium barometz and rejuvenating young spores. The method for artificially cultivating the Cibotium barometz, provided by the invention, comprises the following steps: separately planting sporophyte seedlings of the Cibotium barometz to be rejuvenated into a matrix, and carrying out rejuvenation culture; wherein the substrate is a mixture formed by mixing leaf mold and peat soil according to the volume ratio of (1-1.5): 1 or 1: 1, or a mixture formed by mixing leaf mold, white vermiculite and garden soil according to the volume ratio of 4: 1: 3. The method is low in cost, simple in technology, high in yield, high in seedling growth speed, suitable for large-scale batch production, capable of effectively meeting the rapid breeding requirement of the golden dog and capable of being widely applied to the fields of landscaping, medicinal production, scientific research and the like.

The invention relates to a software function demand assessment method and system based on function points, a medium and equipment, and the method comprises the steps: decomposing to-be-assessed software into a plurality of function points according to an estimated function, so as to estimate the total function point number of the software; acquiring reference data through historical project data, estimating the workload of the software through the reference data and an estimation model according to the total function points, and introducing an adjustment factor to adjust the estimated value of the workload; a cost estimated value is determined through the estimated value of the workload, an accurate software project plan is made according to the cost estimated value and the estimated value of the workload, and the progress and quality of a project are monitored through measurement of function points. The invention relates to the technical field of software evaluation, and can effectively improve the accuracy of estimation.

The invention provides an end-cloud collaborative agricultural condition image acquisition system based on 5G communication and machine learning, and relates to the technical field of end-cloud collaboration of 5G communication and machine learning. A data acquisition end is used for acquiring multispectral image data of a farmland to be observed, and compression preprocessing is carried out, so that the data transmission burden is reduced; the compressed image is sent to a data processing module, and the data processing module carries out denoising and feature extraction on the image, constructs a feature data vector and transmits the feature data vector to a cloud server; the cloud server analyzes feature data vectors by using a random forest algorithm model, judges crop types and classifies the crop types, and finally returns an analysis result to the data display module, and the data display module generates an instrument panel by using a Flask framework and visually displays agricultural condition data including key indexes such as crop types and coverage conditions. Data transmission is carried out through 5G communication to realize a terminal-cloud collaborative architecture, and efficient and real-time data transmission and processing are realized.

The invention belongs to the technical field of composite materials, and particularly discloses an aramid pulp fiber / ethylene propylene diene monomer composite material and a preparation method thereof. The preparation method comprises the following steps: mixing raw ethylene-propylene-diene monomer rubber, carbon black, a flame retardant, a vulcanizing agent, an accelerant and modified aramid pulp, uniformly mixing to obtain a green sheet, and pressurizing and vulcanizing the green sheet on a flat vulcanizing machine to obtain the aramid pulp fiber / ethylene-propylene-diene monomer rubber composite material. The aramid pulp modified by the method disclosed by the invention has the characteristics of light microfiber entanglement degree and strong binding force with the ethylene propylene diene monomer, so that the aramid pulp fiber / ethylene propylene diene monomer composite material has better mechanical properties.

An abnormality detection device 10 includes: a process value acquirer that acquires, during operation of a plant 3 including a plurality of devices, a process value of at least one monitoring target device 5 among the plurality of devices; a command value acquirer that acquires a command value of a control operation amount for controlling the monitoring target device 5; and an abnormality detector that detects an abnormality of the monitoring target device 5 on the basis of a relationship between a fluctuation range of a process value acquired by the process value acquirer and a fluctuation range of a command value acquired by the command value acquirer during a predetermined period.

The present invention discloses a hydrophilic-hydrophobic patterned substrate circulation microchannel reactor and a preparation method thereof, wherein the reactor comprises a first region and a microchannel region arranged side by side, wherein the first region and the microchannel region are connected; the first region comprises a first hydrophilic region and a hydrophobic region arranged in sequence; along the flow direction of the liquid, the size of the first hydrophilic region gradually decreases; the microchannel region comprises a microwall and a fluid channel region arranged in sequence, wherein the first hydrophilic region and the hydrophobic region are both connected to the fluid channel region; a nanocatalyst layer and / or a biological enzyme are also provided on the surface of the fluid channel region; when the liquid circulates in the first region and the microchannel region, it is in a circulation shape. The technology of the present invention is simple and fast, flexible and easy to use, and is suitable for a variety of catalytic reactions and reactors of various forms, and is convenient for large-scale production. The miniaturization and high efficiency of the catalytic reaction make it have strong application value in the safe chemical industry, green chemical industry, and efficient chemical industry.

The application provides a substrate carrier, a conveying system, a vacuum system and a method for operating the substrate carrier, the substrate carrier comprising a bearing frame, a substrate bearing surface, a groove and a heat absorbing sheet, the substrate bearing surface is used for placing a substrate, a groove is arranged on the bottom side of each substrate bearing surface, a heat absorbing sheet is arranged on the bottom surface of the groove, the emissivity of the first surface of the heat absorbing sheet is greater than the emissivity of the second surface of the groove bottom surface and / or the heat absorbing sheet, in this case, the low emissivity surface can inhibit heat dissipation, and the high emissivity surface can allow heat to pass through efficiently, therefore the first surface of the heat absorbing sheet can reabsorb the thermal radiation of the substrate and transmit to the second surface or the groove bottom surface, and good heat dissipation effect is achieved. This technology is simple and low in cost, meanwhile, the coating speed does not need to be reduced, and the problem of temperature rise of the substrate can be effectively solved without reducing the processing efficiency.

The invention provides a polyunsaturated sulfobetaine containing a glycidyl group, which is used for graft crosslinking modification of starch, cellulose, polyurethane, polyamide, polyester, polyolefin or polyether etc. containing amino or hydroxyl groups in the polymer chain structure, and simultaneously introduces quaternary ammonium cations and unsaturated sulfobetaine to give the modified polymer material hydrophilicity, antibacterial property, polymerizability and the like.

The utility model discloses a waste salt electrochemical treatment system which comprises a salt dissolving tank, a regulating tank, an electric flocculation device, a sedimentation tank, an electrocatalytic oxidation device, an MVR (mechanical vapor recompression) evaporator, a centrifugal machine and a drying box which are sequentially connected in series, the salt dissolving tank is provided with a waste salt inlet and is further connected to the MVR evaporator, the regulating tank is further provided with an acid liquor and alkali liquor inlet, and the centrifugal machine is further connected to the drying box. Based on the advantages and characteristics of the electrochemical catalytic oxidation reaction, the high-efficiency degradation of organic matters in waste salt is realized, different current conditions can be changed according to the concentration of the organic matters, the waste salt can be recycled, and the treatment efficiency is improved. And long-period stable operation can be achieved, and good economic benefits and environmental protection benefits are achieved.

The invention discloses a method for removing trace chloride salts in aminosilane, comprising the following steps: S1 provides a resin fixed bed, wherein an ion exchange resin is fixed in the resin fixed bed; S2 passes crude aminosilane liquid into the resin fixed bed through a sealed pipe, allowing the aminosilane liquid to flow through the fixed bed and fully contact with the resin inside; S3 receives the aminosilane liquid flowing out of the resin fixed bed, and obtains a crude aminosilane product whose chlorine content meets the electronic grade standard. The invention has simple process technology, strong stability, wide applicability, and is convenient and easy to operate, which can match the existing synthesis and purification process, and adopts a sustainably regenerated weakly alkaline anion exchange resin, which has excellent desalination effect and is economical and environmentally friendly.

The invention discloses a manufacturing method for recrystallizing semiconductor material silicon carbide, belongs to the technical field of material science, and aims to solve the problems that a material'dead zone 'possibly occurs, the cost is high, the technology is complex and difficult, and the rejection rate is relatively high when silicon carbide crystals are manufactured by a silicon carbide differential high-temperature vapor deposition method. Comprising the following steps that 1, 4-5 kg of 24-mesh high-purity silicon carbide, 2-3 kg of 100-mesh high-purity silicon carbide and 1-2 kg of differential silicon carbide are selected; 2, the high-purity silicon carbide selected in the step 1 is mixed and put into an electric furnace, and 2-3 kg of 100-mesh monocrystalline silicon is laid at the bottom of the electric furnace; 3, the temperature is increased to 1100 DEG C and kept for 1 h, then the temperature is increased to 1600-2200 DEG C, and heat preservation is conducted for 24-48 h; and 4, blowing out the furnace and discharging. The method is low in cost, simple in technology and high in economic benefit.

The invention relates to the technical field of goods storage, and discloses a storage unit and a storage system with movable goods allocations, and the storage unit comprises a transfer assembly and at least one storage layer. The first transfer mechanism capable of conveying the goods in the first horizontal direction and the second horizontal direction is arranged on the transfer assembly, meanwhile, the goods positions suitable for storing the goods are arranged in the circumferential direction of the transfer assembly, and the second transfer mechanisms capable of conveying the goods in the first horizontal direction and the second horizontal direction are arranged at the goods positions. According to the storage unit, automatic storage and taking of the goods can be achieved, the capacity of automatically transferring the goods is achieved on the basis of all the goods allocations, and therefore the compact design of the structure of the storage unit is facilitated, the space utilization rate of the storage unit is effectively increased, and compared with a goods storage and taking scheme adopted by a known storage system, the storage unit is more convenient to use. The storage unit is lower in construction and use cost, simpler in technology and easy to implement.

The invention relates to a civil mobile spaceflight launcher, which is invented for coping with sudden accidents, has a flight function, can take off and land vertically, has multiple flight modes, is not limited by airport runways, can take off and land under various regional environment conditions, can flexibly select a launching area, and is convenient to use. The rocket can be brought to the stratosphere to be launched, the spacecraft can be flexibly selected to be launched in the stratosphere above areas such as unmanned areas, desert areas, waste parks and seas when passing through the earth, pollution to the ground is reduced, damage to human caused by flying fragments is reduced, and disasters caused by rocket falling due to unsuccessful launching in accidents are reduced. Ground facility construction is reduced, configuration of ground crew is reduced, and flight personnel can be received back from the outer space or needed materials can be conveyed at any time.

A polarization encoding device includes a two-stage Sagnac ring, specifically including a circulator 1, a polarization beam splitter PBS1, a phase modulator PM1, a circulator 2, a polarization beam splitter PBS2, and a phase modulator PM2, wherein the circulator 1 and the circulator 2 both include a first port a, a second port b, and a third port c; PBS1 and PBS2 both include a first port 1, a second port 2, and a third port 3; the second port 2 and the third port 3 of PBS1 and PBS2 are connected by a polarization-maintaining fiber based on a Sagnac ring to form a bidirectional ring optical path; the input light is connected to the first port a of the circulator 1 through the input fiber, and the input fiber is a polarization-maintaining fiber; the output light is connected to the third port c of the circulator 2 through the output fiber, and the output fiber is a single-mode fiber. The present invention uses a two-channel, single-amplitude pulse signal drive, meets the requirements of preparing four polarization states in a polarization-encoded QKD experiment, avoids the technical difficulties of generating a single-channel, multi-amplitude pulse signal, has low implementation difficulty, and high reliability.

The invention discloses an impedance gradient wave-absorbing material and a preparation method thereof, and belongs to the field of electromagnetic wave-absorbing materials. The impedance gradient wave-absorbing material is prepared by using a thermoplastic wave-absorbing material and adopting a 3D printing technology, on the basis of an existing structural wave-absorbing material, the material concentration gradient is increased, the impedance matching characteristic is improved, and the wave-absorbing performance is further improved; the concentration-adjustable thermoplastic wave-absorbing material is prepared by regulating and controlling the 3D printing preparation process, and impedance gradual change of the structure is achieved; the technology is simple in process, convenient to operate and high in safety, preparation can be simply and rapidly completed after parameters are determined, the reflection loss of the prepared impedance gradient wave-absorbing material in a 4-8 GHz electromagnetic wave frequency band reaches-10 dB, and the reflection loss in a 8-18 GHz electromagnetic wave frequency band reaches-15 dB.

The application provides a geotextile mat with electroosmosis function, and belongs to the technical field of geotextile mats.The application comprises a fixing rod arranged on a geotextile mat body;an electrode arranged on the geotextile mat body and fixed on the fixing rod, used for providing the geotextile mat with electroosmosis function, and also used for acting as a keel of the geotextile mat to limit deformation of the geotextile mat; a data collector arranged on the geotextile mat body, used for measuring tailing pressure and water content and transmitting to a power supply collecting device; and a potential measuring needle arranged on the data collector, used for measuring current and voltage between tailings and transmitting to the power supply collecting device.The application has the electroosmosis function by arranging the electrode and the data collector on the traditional geotextile mat and cooperating with the power supply collecting device, and can adjust the drainage intensity according to actual conditions, so that the monitoring-drainage integration is realized.

The invention relates to the technical field of machine room energy management and control, and discloses an air conditioner machine room centralized control method and system, and the system comprises a centralized management monitoring layer which employs a work station as an upper computer to monitor all electromechanical devices of an energy station in a unified manner; in the equipment layer, data acquisition and monitoring of the air conditioning unit are realized in a bus communication mode; in the field layer, a metering instrument, a sensor and an electric control execution device are used for data acquisition and execution control; and economical supply of energy is realized through the data acquisition system. According to the method, a DCS (Distributed Control System) is matched with an on-site PLC (Programmable Logic Controller) and an on-site intelligent instrument to realize automatic control of an energy center; through a field bus communication mode, instruction control is carried out on operation of the electromechanical equipment group of the energy station, and complete acquisition of equipment and process data is completed, so that the purposes of unified scheduling and energy conservation are achieved. Through transformation and access of the frequency conversion cabinet, the water flow can be accurately adjusted by tracking the load change, so that energy is greatly saved.

The invention provides a steering difference compensation method and system for an atom magnetometer, and the method comprises the steps: constructing a stable magnetic field space, enabling a three-axis magnetometer to be in rigid connection with the atom magnetometer, and calibrating the rotation angle of the atom magnetometer relative to the magnetic field direction through the three-axis magnetometer; performing spatial 360-degree rotation in a stable magnetic field space, recording a magnetic field value corresponding to each angle, totally obtaining a 360-degree steering difference distribution curve of the atom magnetometer, and burning the curve into a signal processor; in actual use, according to the real-time included angle between the atom magnetometer and the magnetic field and the actual magnetic field value corresponding to the included angle, the signal processor calls the steering difference distribution curve, obtains the steering difference under the included angle, processes the steering difference of the compensation atom magnetometer, and obtains the magnetic field value after the steering difference is compensated. According to the technical scheme, the technical problems that in the prior art, an atom magnetometer is high in production cost and large in assembly difficulty are solved.

The application relates to the technical field of monitoring, and provides a monitoring method, a monitoring system and a vacuum pump. The monitoring method comprises the following steps: acquiring an axial displacement parameter of a rotating shaft; comparing the axial displacement parameter with a set displacement alarm threshold value; and performing alarm in response to the axial displacement parameter being greater than or equal to the displacement alarm threshold value. Therefore, the axial gap of the rotating shaft of the vacuum pump can be monitored in real time, so as to improve the technical problem that the rotating shaft of the vacuum pump is stuck due to the excessively small axial gap.

The box type coat and hat connecting piece is characterized in that the box type coat and hat connecting piece comprises a connecting box, the connecting box comprises a connecting box base and a box cover, and the connecting box base is provided with a belt hole, an elastic belt, a plurality of pin rollers and a belt pile located in the center of the pin rollers; or the belt is provided with a belt hole, an elastic belt, a plurality of rollers and a belt pile positioned outside the plurality of rollers; the connecting box is connected with an upper garment or a hat, and the connecting box is fixedly connected with the upper garment or the hat or is detachably connected with the upper garment or the hat; the end, located in the connecting box, of the elastic belt is connected with the belt pile, the other end of the elastic belt penetrates out of the belt hole of the connecting box and then is connected with the hat or the upper garment, and the other end of the elastic belt is fixedly connected or detachably connected with the hat or the upper garment. The clothes are connected with a hat through at least two box type hat connecting pieces.

The invention provides a method for rapidly establishing a phallus impudicus variety Donglin violet tissue culture system through underground buds. According to the method, underground buds of 'Donglin purple' are used as explants, clean and tender underground buds ingeniously slip out through the methods of base cutting, fixing and light clamping, cluster buds are directly induced after the propagation coefficient is increased through longitudinal cutting, then roots are induced to form in-vitro plants, the sterile rate in 5 days is 38.48%, the fungal rate is 0.21%, the sterile rate in 25 days of primary subculture is 74.79%, and the rooting rate in 50 days is 87.12%. According to the method, the callus induction stage is not needed, the time for obtaining the high-quality sterile Donglin purple in-vitro plant is shortened, the technology is easy to master, the cost is low, the efficiency is high, and a foundation is laid for establishing a high-efficiency improved variety propagation system through further subculture of cluster buds or induction of callus redifferentiation subsequently. The invention provides a solid guarantee for improved variety breeding, stem apex detoxification, ploidy breeding and genetic engineering genetic improvement research of iris varieties, especially phallus impudicus' Donglin purple '.

The utility model discloses an industrial silicon flue gas comprehensive treatment system capable of reducing pollution and carbon, which comprises a flue, a waste heat boiler, an SDS (Sodium Dodecyl Sulfate) dry desulfurization device, a cloth bag dust removal device, an SCR (Selective Catalytic Reduction) denitration device, a carbon capture device and a chimney which are sequentially communicated, and the waste heat boiler is connected with the carbon capture device through a steam pipeline. A large amount of system energy consumption can be saved, the occupied area is small, the process technology is simple and practical, and operation is stable. The desulfurizer is wide in source, low in price, few in by-products, high in sodium sulfate content and convenient to use. And due to the recovery of the silica fume, the enterprise benefit is improved, and the secondary pollution is reduced. The medium and low temperature SCR denitration reduces the poisoning and blocking risks of the catalyst, prolongs the service life of the catalyst, reduces the operation cost, and can adapt to the complex and changeable flue gas working conditions of the industrial silicon electric furnace.

The utility model discloses a trocar with a groove for cutting off a transverse wrist ligament under monitoring of an arthroscope. The trocar comprises an arthroscope sleeve, a hook knife long rod inserted into the arthroscope sleeve and a hook knife located at the end of the hook knife long rod. A reserved groove hole is formed in the side wall of the lower end of the arthroscope sleeve in the axial direction of the arthroscope sleeve. The tip of the hook knife can extend out of the reserved groove hole so as to cut off surface ligaments. In the application, in an operation, the knife handle is held by hand to drive the long rod of the hook knife to rotate, so that the tip of the hook knife is driven to extend out of the reserved slotted hole to cut off a surface ligament; the method has the advantages that the technology is simple and easy to implement, the operation difficulty is greatly reduced, and the operation fineness is improved.

The application relates to a preparation method of a high-stability thick-film transfer flexible thermocouple, and belongs to the technical field of temperature sensors. The application specifically relates to a preparation method of a high-stability thick-film transfer flexible thermocouple. The application aims to solve the problems of complex preparation process, poor stability and difficult guarantee of thermocouple precision of the flexible thermocouple. The method comprises the following steps: S1, preparing a sacrifice layer; S2, preparing a high-stability thick-film thermocouple; S3, transferring the high-stability thick-film thermocouple; and S4, encapsulating to obtain a high-stability thick-film thermocouple flexible temperature sensor. The thermocouple has the advantages of excellent stability, high precision and flexibility, can be widely applied to flexible electronics and special-shaped surface micro-environment temperature signal collection and measurement, and the flexible temperature sensor prepared by the application is designed and manufactured based on a thick-film process technology, has a mature manufacturing process, low cost and is easy to mass produce.

The invention provides a uranium-contaminated soil plant in-situ remediation method based on chelating agent synergy, which comprises the following steps: screening a remediation plant and a chelating agent suitable for target mining area soil through a potting experiment, sowing or transplanting a target remediation plant with uranium enrichment capacity on uranium-contaminated soil to be remedied, and carrying out in-situ remediation on the uranium-contaminated soil to be remedied. When the target remediation plant enters the vigorous growth period, a target chelating agent is applied to the rhizosphere soil of the plant so as to ensure that the effective state release process of uranium is matched with the efficient absorption period of the remediation plant, so that extraction and enrichment of uranium by the target remediation plant are synergistically enhanced, and after the target chelating agent is sprayed, the target remediation plant is harvested within preset time so as to achieve the purpose of repairing uranium. And uranium and other heavy metals are removed. According to the method, a slow-release activation-plant absorption synergistic system is constructed, so that the remediation efficiency and engineering feasibility of the uranium-contaminated soil are greatly improved on the premise of ensuring the environmental safety.

The invention provides a modeling method for a fiber-grade two-dimensional circular braided fabric, and belongs to the technical field of braided fabric modeling, and the modeling method for the fiber-grade two-dimensional circular braided fabric comprises the steps: obtaining geometric parameters of the fiber-grade two-dimensional circular braided fabric according to a braided structure of the fiber-grade two-dimensional circular braided fabric, the geometric parameters comprise a twist yarn pitch h, a fiber radius r, a total number m of single fibers, a twisting degree A, a fiber amplitude a, a braided fabric radius R and a total number n of braided yarns, modeling a single fiber bundle, modeling a single sine curve-shaped braided yarn, and modeling a two-dimensional circular braided fabric. According to the method, the fiber curve equation of the single fiber in the braided fabric can be obtained, the fiber-grade two-dimensional circular braided fabric is modeled and simulated, a theoretical basis is provided for design and optimization of a two-dimensional circular braided fabric product, and the method has wide technical and market application prospects.

The utility model relates to a pumping unit brake handle, and relates to the field of oil production well equipment, the pumping unit brake handle comprises a brake clamping tooth, the brake clamping tooth is relatively engaged and connected with a locking clamping tooth, the top end of the locking clamping tooth is provided with a control assembly for controlling the locking clamping tooth to be connected with the brake clamping tooth, and the control assembly is rotatably connected with the brake clamping tooth. The brake device has the advantage that the problem that when a worker operates a brake, in the operation process of instantly kneading the brake with force, the personal injury accident caused by hand clamping is likely to happen is solved.

The utility model discloses a swing roller chain with a changeable roller gap, which comprises a left chain with holes and a right chain with holes, a fixed roller is arranged between the left chain with holes and the right chain with holes, a swing frame is arranged on two end shafts of the fixed roller, a swing roller is arranged on the other side of the swing frame, and the swing roller is arranged on the swing frame. The swing roller can swing around the roller shaft of the fixed roller together with the swing frame. According to the utility model, the change of the gap between the swinging roller and the adjacent fixed roller can be realized by controlling the swinging angle of the swinging roller, so that different materials can pass through and the sorting function is realized; meanwhile, due to the unique transmission mode of the rollers, feeding and sorting can be achieved on the same roller chain, and the loss of the potatoes is reduced to the minimum.

The present invention provides an application of a bishydroxylamine propyl silane coupling agent in glass surface modification, particularly a modification method for grafting ammonium phenol zwitterions on glass surface, which is a condensation reaction of a bis(hydroxylamine)propyl silane coupling agent and a hydroxylated glass surface, followed by a quaternary ammonium salt reaction with 5-chloromethyl salicylaldehyde, to achieve a modification method for grafting ammonium phenol zwitterions on glass surface; the glass surface modification method provided by the present invention is simple and easy to implement, and the raw materials used are widely available, cheap, and each preparation step has a high reaction efficiency, and there is no mutual influence before and after the preparation process. The functionalized layer after the glass surface is bonded with quaternary ammonium cations and ammonium phenol zwitterions is a monolayer, presenting a lattice distribution, with high uniformity, so the modified glass has a high light transmittance and has super hydrophilicity.

This utility model provides an atmospheric pressure high-efficiency electrode boiler system, which includes an electric heating tank, an electric heating electrode disposed on the electric heating tank, and an external heat exchange system connected to the electric heating tank; the electric heating tank is filled with high-carbon molecular heating oil; the electric heating tank is provided with a reaction additive addition port; the electric heating electrode is inserted into the high-carbon molecular heating oil; the external heat exchange system includes a first circulation pump connected to the electric heating tank and a heat exchanger connected to the outlet of the first circulation pump; the heat exchanger is connected to the load side; the inlet of the first circulation pump is connected to the outlet of the electric heating tank; the outlet of the first circulation pump is connected to the heat source side inlet of the heat exchanger; the heat source side outlet of the heat exchanger is connected to the inlet of the electric heating tank. This utility model has the characteristics of low manufacturing cost, stable, safe and energy-saving system.