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33results about How to "Improve regional adaptability" patented technology

Method and device for predicting air quality index

The invention provides a method and a device for predicting air quality index. The method includes the following steps: acquiring a corresponding prediction model according to a to-be-predicted geographical position and current time; acquiring meteorological data of the to-be-predicted geographical position; according to the meteorological data and on the basis of the prediction model, performing operation processing, and determining the air quality index of the to-be-predicted geographical position within to-be-predicted time. By the method and the device, prediction of future air quality index can be completed only through meteorological information which is little and easy to acquire, so that realization difficulty and access threshold of AQI prediction are lowered. In addition, corresponding prediction models are built aiming at each geographical position in different prediction time intervals, so that weather characteristics of local areas can be reflected better, and a powerful guarantee is provided for determining AQI high in accuracy.
Owner:BEIJING QIHOO TECH CO LTD +1

Heat generation device with complementary energy storage of solar energy and biomass gasification

The invention discloses a heat generation device with complementary energy storage of solar energy and biomass gasification. The thermal generation device consists of a solar light-gathering device, a heat storage and exchange tank, a fused-salt heat storage medium, a tube type or coil type heat exchanger and an evaporator, a temperature balance stirrer, a biomass gasifying furnace, a biomass material inlet, a waste residue discharging port, a biomass gas storage bag, a biomass gas boiler and a power generating unit. In order to overcome the technical defects that the solar heat generation and wind power are not controllable and continuous, the heat generation device realizes complementary and continuous heat generation with solar energy by utilizing the advantages of fused-salt heat storage and gas heat storage.
Owner:张建城

Rescue robot executing mechanism for person with fracture

The invention discloses a rescue robot executing mechanism for a person with fracture. The executing mechanism comprises a lifting mechanism, a sliding stretcher and two operation arms with six degrees of freedom. The sliding stretcher is divided into an upper layer and a lower layer, the lower layer is a protective cover shell, and the upper layer is a belt type transmission device. The lifting mechanism is composed of a vehicle body stretchable connection rod fixed with a vehicle body, a stretcher connection rod fixed with a lower layer movable stretcher and a stretchable rod. One end of the vehicle body stretchable connection rod is movably connected with one end of the stretchable rod, and two ends of the stretchable rod are respectively connected with the lower layer movable stretcher and the vehicle body. The vehicle body stretchable connection rod and the stretchable rod are respectively driven by a worm and a gear, and the two operation arms with six degrees of freedom are symmetrically arranged on the front portion of the sliding stretcher. Each operation arm with six degrees of freedom is of a separation movement decoupling structure composed of six rotational joints. According to the rescue robot executing mechanism for the person, human body structure and particularity of damage are taken into full consideration, operation procedures are in accordance with human body rescue operation specifications, and damage to a human body in an operation process is greatly reduced.
Owner:SANITARY EQUIP INST ACAD OF MILITARY MEDICAL SCI PLA

Double-screw air compressor

The invention discloses a double-screw air compressor, which includes: a compressor head, which is in connection with an air filter through an gas inflow control valve; an oil-gas separator, which is connected to the compressor head through a gas delivery pipe, and outputs compressed air through a minimum pressure valve; a first oil return pipeline, which includes a temperature control valve and an oil filter, and connects the oil-gas separator with a compression cavity of the compressor head; a second oil return pipeline, which comprises a filter and a throttling hole, and connects the oil-gas separator with a bearing cavity of compressor head; and a pneumatic control system, which forms a loop with the gas inflow control valve through a pressure regulating valve, the gas inlet front end of the pressure regulating valve is in connection with the oil-gas separator. With a good cooling effect and low noise, the double-screw air compressor has great power, geographical adaptability, and is economical and reliable. Finally, the load matching characteristic of a drilling machine is greatly optimized.
Owner:SHANGHAI SCREW COMPRESSOR CO LTD

Rapidly-installed photovoltaic module integrated board and installation method

The invention provides a rapidly-installed photovoltaic module integrated board and an installation method. The rapidly-installed photovoltaic module integrated board comprises a plurality of photovoltaic modules, a foldable integrated board fixing frame and a positioning installation device. The foldable integrated board fixing frame comprises a fixing frame component and a positioning hinge. Thepositioning installation device comprises at least two groups of positioning brackets and a driving part; the driving part drives the positioning brackets to move; a linkage mechanism is formed between the positioning brackets and the foldable integrated board fixing frame; and unfolding and folding of the foldable integrated board fixing frame are controlled through the positioning brackets. A plurality of photovoltaic module single boards connected in series are connected through a foldable integrated board fixing frame to form an integrated unit, the structural shape of the integrated unitafter being unfolded is controlled through the positioning angle of the positioning hinge, and the integrated unit is folded to form the size of one photovoltaic module single board or form a plane structure or a curved surface structure after being unfolded. Thus, a photovoltaic cell panel is protected, the transportation and installation efficiency is improved, and the construction cost of a photovoltaic power station is reduced.
Owner:SHANGHAI JIAO TONG UNIV +1

Set-top box and data management method thereof

An embodiment of the invention discloses a data management method of a set-top box. The data management method includes acquiring a working area of the set=top box; according to a preset full frequency point information database, acquiring frequency point information corresponding to the working area and a reserved configuration of the working area of the set-top box, to be specific, the full frequency point information database comprises the frequency point information corresponding to the working area and an index of the reserved configuration of the working area of the set-top box; subjecting the frequency point information corresponding to the working area and the reserved configuration of the working area to a system configuration of the working area; storing the system configuration of the working area in a system data storing area. According to the arrangement, area adaptation of the set-top box is improved, when the system configuration of the set-top box is updated, the system configuration of the selected area can be automatically set, and manual operations are reduced.
Owner:SHENZHEN SKYWORTH DIGITAL TECH CO LTD +1

Chinese silvergrass propagation method at Yellow River Delta region in autumn

The invention relates to the field of plant propagation, and mainly provides a method for large-scale asexual propagation of field Chinese silvergrass through stem cutting at the Yellow River Delta region in autumn. The method comprises the following steps of land selection and land preparation, selection and treatment of cutting slips, placement of seedling raising paper cylinders, cutting of thecutting slips, earthing, watering, secondary earthing and film covering. The method has the advantages that (1) Chinese silvergrass propagation can be carried out at the Yellow River Delta region inautumn; (2) the labor can be reduced, the land is saved, and the energy sources are saved; (3) the Chinese silvergrass propagation coefficient is greatly increased, the large-scale and standardized propagation is performed, and a propagation method is provided for the large-scale and standardized production of Miscanthus in the Yellow River Delta saline-alkali area.
Owner:BINZHOU POLYTECHNIC

Crawler-type magnetic levitation movement equipment

The invention relates to crawler-type magnetic levitation movement equipment. The magnetic levitation technology is adopted in the crawler-type magnetic levitation movement equipment, power consumption is low, the service life is long, and the efficiency is high. The crawler-type magnetic levitation movement equipment is characterized in that levitation magnetic fields are arranged on magnetic levitation load-bearing devices and movement devices of a tank, an armored vehicle, a transportation machine, a mobile machine, a transportation machine, a tractor, a harvester and a construction machine, the levitation magnetic fields are arranged by being matched with a crawler of a gliding magnetic field through the action of a magnetic field, an electromagnetic wheel or a magnetic levitation wheel are arranged on the crawler-type magnetic levitation movement equipment, and electromagnetic coils are arranged on the magnetic levitation load-bearing devices and the movement devices or magnetic levitation positioners or crawler regulators to form a controllable magnetic field. The crawler-type magnetic levitation movement equipment is provided with a steering device, and buffer springs are arranged on the magnetic levitation load-bearing devices of the crawler-type magnetic levitation movement equipment
Owner:李仕清

A New Multifunctional Polar Exploration Vehicle

The invention discloses a novel multifunctional polar region exploring trolley. The novel multifunctional polar region exploring trolley comprises a spherical body, wherein wheels are arranged on two sides of the spherical body; a manipulator for collecting samples is arranged on the front surface of the spherical body; a storage box for storing the samples is arranged below the manipulator; cameras which can rotate so as to explore the up-down direction, the left-right direction and the front-back direction of the exploring trolley are respectively arranged on the upper portions of the front surface and the reverse surface of the spherical body; the top of the spherical body is connected with a foldable large propeller for driving the exploring trolley to fly through a rotating shaft; a solar cell panel for charging storage batteries in the spherical body is arranged on the top of the spherical body; a small hole is formed in the solar cell panel; and the rotating shaft penetrates in the small hole. Technologies of remote data transmission and control, a multi-mode driving system and solar energy supplying are used together. The novel multifunctional polar region exploring trolley is simple in structure, explores quickly and accurately, adapts to various terrains and is long in life time.
Owner:FUJIAN UNIV OF TECH

Crawler type traffic movement tool

The invention relates to a crawler type traffic movement tool, and relates to a wheel type or crawler type traffic movement tool. The crawler type traffic movement tool adoptsmagnetic levitation technology, the power consumption is low, the service life is long, and efficiency is high;and the crawler type traffic movement tool is characterized in that the crawler type traffic movement tool adoptsacrawler with a magnetic field and anelectromagnetic wheel or a magnetic levitation wheel on the wheel type or crawler type traffic movement tool, a magnetic levitation locator or a crawler adjuster are arranged in a matching mode, electromagnetic coils are arranged in the electromagnetic wheel,the magnetic levitation wheel, the magnetic levitation locator,and thecrawler adjuster, and a controllable magnetic field is formed.
Owner:李仕清

Opposite-pull type foundation pit supporting device

ActiveCN111910647AGrasp the details in real timeGet goodExcavationsBulkheads/pilesStructure supportIntegrated devices
The invention relates to the technical field of foundation pits, in particular to an opposite-pull type foundation pit supporting device. The opposite-pull type foundation pit supporting device comprises an enclosure structure, an anchoring device anchored on the inner side of the enclosure structure, inhaul cables connected to the anchoring device, transverse supports for supporting the upper part of the enclosure structure, central controllers arranged on the transverse supports, and anchor cable control integrated devices consisting of displacement monitors placed on the anchoring device, wherein the central controllers are connected with the inhaul cables on the two sides, receive data sent by the displacement monitors, evaluate the deformation condition of the foundation pit and automatically adjust the axial force of the inhaul cables. The enclosure structure consists of underground continuous walls. According to the invention, the prestress of the supporting structure can be intelligently adjusted. The foundation pit construction efficiency is greatly improved. The supporting device is good in regional adaptability.
Owner:TONGJI UNIV

One-circle double-pulse revolution cycle number counting method for airburst fuse

The invention provides a one-circle double-pulse revolution cycle number counting method for an airburst fuse. A revolution cycle number counting circuit adopted for the one-circle double-pulse revolution cycle number counting method is arranged in a bullet. The revolution cycle number counting circuit comprises a magnetic electron chip, an operational amplifier and a waveform conversion module. The waveform conversion module comprises a comparator A, a comparator B, a resistor R11, a resistor R13, a resistor R14, an isolation resistor R12, a diode D1 and a diode D2. The operational amplifier is used for receiving sinusoidal signals transmitted by the magnetic electron chip in the bullet, amplifying the sinusoidal signals and transmitting the amplified sinusoidal signals to the waveform conversion module. The waveform conversion module converts sinusoidal waves amplified by the operational amplifier into square waves. The revolution cycle number counting module is used for counting the number of square waves output by the waveform conversion module, and therefore the revolution cycle number of the bullet is obtained. The output voltage of the magnetic electron chip is high, and therefore the region adaptability of a weapon is greatly improved. The two comparators of the waveform conversion module compose a window comparator, and therefore each sinusoidal wave can be converted into two of the square waves.
Owner:710TH RES INST OF CHINA SHIPBUILDING IND CORP

Shield tunnel longitudinal seam joint field angle inversion analysis method

The invention provides a shield tunnel longitudinal seam joint field angle inversion analysis method, which adopts a successive rotation method, regards a duct piece body structure as a rigid body, rotates each duct piece around a joint neutral axis, and decomposes the overall deformation of a tunnel structure into the rotational deformation of each joint. And finally, the corner of each joint and the opening and compression deformation of the inner side and the outer side are obtained. On the basis of a successive rotation method, input parameters comprise joint neutral axis positions and convergence deformation values of the tunnel structure in a certain direction, output results are rotation angles of all joints, and the inversion process is achieved through an MATLAB programming method. Through an inversion analysis method, the deformation value of each joint of the tunnel structure in the service period under the existing deformation condition is obtained, the understanding and understanding of people on the deformation of the longitudinal joint joints of the tunnel in the operation period are greatly enhanced, and meanwhile, a new method is provided for evaluating the service state of the tunnel in the operation period.
Owner:TONGJI UNIV

Track-type transportation movement tool

The invention relates to a track-type transportation movement tool. The track-type transportation movement tool comprises various movable mechanical devices including a car, a jeep, a cross-country vehicle, an automobile, a bus, an ambulance, a transportation machine, mechanical moving equipment, a tractor, a harvester and an engineering machine. The track-type transportation movement tool adoptsa magnetic suspension technology and is low in power consumption, long in service life and high in efficiency. The track-type transportation movement tool is characterized in that according to the track-type transportation movement tool, a magnetic field is arranged on a track to cooperate with an electromagnetic wheel or a magnetic suspension wheel, or a magnetic suspension bearing device or a track adjuster on the wheel-type or track-type transportation movement tool, electromagnetic coils are arranged on the electromagnetic wheel or the magnetic suspension wheel, or a magnetic suspension positioner or the track adjuster to form a controllable magnetic field, a steering device is arranged on the track-type transportation movement tool, and buffer springs are arranged on the magnetic suspension bearing device or a movement device of the track-type transportation movement tool.
Owner:李仕清

Device and method for monitoring soil erosion

The invention relates to a device and method for monitoring soil erosion. The device mainly comprises a plurality of water collectors, a weighing sensor and a solenoid valve. The water collectors are divided into test water collectors and auxiliary water collectors, and the number of the water collectors can be set appropriately according to the size of a measured land parcel. A mode of matched use of the test water collectors and the auxiliary water collectors is adopted. When water of one test water collector overflows, the overflowing water flows into one auxiliary water collector through an overflow port; after the water of the auxiliary water collector reaches a certain weight, another test water collector is switched to collect water, the weights of the test water collector and the auxiliary water collector and the volume of the test water collector are measured, and the content of sand in water is calculated according to the relations of sand density and water density. After the measurement is finished, the water in the test water collector and the auxiliary water collector is discharged, measurement is performed after the water of the test water collector overflows next time, and the circulation is performed like this. The device has the advantages of being high in precision and efficiency, simple in structure and capable of performing full flow continuous measurement; and the device has wide application prospects in the field of soil erosion monitoring.
Owner:GUILIN UNIV OF ELECTRONIC TECH

An online measurement method of frequency-sweeping ultrasonic focused sediment particle size distribution

The invention discloses an on-line measurement method for frequency-sweeping ultrasonic focusing type sediment particle size distribution. The present invention builds a set of measuring devices with a focused ultrasonic probe as the core, and at the same time uses the screening method and microscope method to configure sediment samples of different particle sizes; debugs the measuring system, and starts the measuring device after it is accurate; changes the ultrasonic wave Frequency, a series of experiments with sediment particle size as a variable were carried out at different ultrasonic frequencies to obtain the data of the received waveform; phase space segmentation and symbol dynamic filtering based on the Hilbert transform were performed on the collected signals to obtain the same Measurement of parameter values ​​related to particle size; data fitting is performed on the scatter diagrams of measurement and sediment particle size at different frequencies to obtain a sediment particle size measurement model. The invention can effectively reduce the scattering attenuation in the propagation process, increase the acceptable sound energy at the receiving transducer, improve the signal-to-noise ratio, and the sensitivity and measurement accuracy of the entire measurement system.
Owner:CHINA JILIANG UNIV

Radiation refrigeration thin film material based on indium oxide nanocrystalline doping and preparation method thereof

InactiveCN113698641AEnhanced radiant cooling powerImprove regional adaptabilityIndiumPolymethyl methacrylate
The invention provides a radiation refrigeration film material based on indium oxide nanocrystalline doping. The radiation refrigeration film material is characterized by comprising the following raw materials: tin, indium oxide and polymethyl methacrylate. The material has the characteristics of wide wave band and easiness in regulation and control, can cover all atmospheric windows, enhances the radiation refrigeration power of the material and approaches the theoretical limit. The preparation method is simple to operate, relatively low in cost and suitable for popularization and application.
Owner:YANGZHOU UNIV

A device and method for monitoring water and soil loss

The invention relates to a device and method for monitoring soil erosion. The device mainly comprises a plurality of water collectors, a weighing sensor and a solenoid valve. The water collectors are divided into test water collectors and auxiliary water collectors, and the number of the water collectors can be set appropriately according to the size of a measured land parcel. A mode of matched use of the test water collectors and the auxiliary water collectors is adopted. When water of one test water collector overflows, the overflowing water flows into one auxiliary water collector through an overflow port; after the water of the auxiliary water collector reaches a certain weight, another test water collector is switched to collect water, the weights of the test water collector and the auxiliary water collector and the volume of the test water collector are measured, and the content of sand in water is calculated according to the relations of sand density and water density. After the measurement is finished, the water in the test water collector and the auxiliary water collector is discharged, measurement is performed after the water of the test water collector overflows next time, and the circulation is performed like this. The device has the advantages of being high in precision and efficiency, simple in structure and capable of performing full flow continuous measurement; and the device has wide application prospects in the field of soil erosion monitoring.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Automatic jujube picking device

PendingCN109315142AImprove height adaptabilityImprove picking efficiencyPicking devicesEngineeringZiziphus jujuba
The invention discloses an automatic jujube picking device. The device comprises a protection shell, a patting device, a fruit collecting bag, a supporting shelf, a telescopic rod and a collecting vehicle; the patting device is arranged in the middle of the fruit collecting bag, the protection shell is arranged at the top of the patting device, the supporting shelf is arranged at the bottom of thefruit collecting bag, and the patting device comprises a patting wing and metal rods arranged at the two sides of the patting wing; the metal rods are connected with an upper motor in the supportingshelf through a crank, a leaf filtering plate is arranged on the fruit collecting bag, an outlet is formed in the bottom of the fruit collecting bag, the upper end of a conveying bag sleeves the outlet of the fruit collecting bag, an outlet in the bottom end of the conveying bag is formed in the fruit collecting bag of the collecting vehicle, the top end of the telescopic rod is connected with thesupporting shelf, and the lower end of the telescopic rod is inserted in a slotted tube of the collecting vehicle. According to the automatic jujube picking device, the picking efficiency is improved, and the labor intensity is low. Flexible picking is conducted, the harm to fruit trees is small, the automation degree is high, and the whole set of working procedures of picking, leaf removal and collection on jujubes can be completed, the topographical and regional adaptability is high, the height adaptability of the fruit trees is high, and the market application prospect is good.
Owner:WENZHOU UNIV OUJIANG COLLEGE

Heat generation device with complementary energy storage of solar energy and wind energy

The invention discloses a heat generation device with complementary energy storage of solar energy and wind energy. The thermal generation device consists of a solar light-gathering device, a heat storage and exchange tank, a fused-salt heat storage medium, a tube type or coil type heat exchanger and an evaporator, a temperature balance stirrer, a wind-power unit, an electric heater and a power generating unit. In order to overcome the technical defects that the solar heat generation and wind power are not controllable and continuous, the heat generation device converts low-quality power intohigh-quality power by utilizing the advantages of wind-power heating and heat storage, thus realizing complementary heat generation with solar energy.
Owner:张建城

Ditching machine capable of freely moving and offsetting

The invention discloses a ditching machine capable of freely moving and offsetting. The ditching machine capable of freely moving and offsetting comprises a fixed traction frame and a ditcher, wherein the fixed traction frame is provided with a suspension structure used for being connected with a power machine, and the ditching machine further comprises a moving mechanism which is arranged on the fixed traction frame and can transversely move to adjust the position, the moving mechanism comprises a moving rack movably arranged on the fixed traction frame and a telescopic hydraulic cylinder used for driving the moving rack to move, and the ditcher is arranged on the moving rack. The offset distance can be adjusted at will for ditching according to requirements and different widths of the power machine, ditches comprises a waist ditch and a surrounding ditch, wherein the surrounding ditch can be opened to a ridge side, an inverted trapezoidal ditch can be opened, the ditch wall inclines towards the two sides from bottom to top, and blocking of the ditch wall to thrown soil is reduced, so that soil throwing is smooth, the soil in the ditch can be cleaned up, and the ditching effect is guaranteed; moreover, the thrown soil can be scattered, so that the situation that accumulated water in a field is gathered into the ditch is avoided.
Owner:ANHUI WANNAN TOBACCO LEAF +1

Paddy Hd-q gene and application thereof in cultivation of paddy with wide applicability

The invention discloses a gene Hd-q for controlling the growing period of the base nutrition of the paddy and a method for cultivating the paddy variety which is wide in geographical adaptability by using the gene. The Hd-q gene is a new allele of the paddy EF7 gene, and contains a specific mononucleotide variation point, so that the Hd-q allele-containing paddy variety is insensitive to illumination and wide in applicability. Compared with the coded sequence of the EF7 gene, and the coded sequence of the gene Hd-q in the growth period is characterized in that the basic group at the 395th site has the mutation from T to A to form into a termination codon. According to the T / A single-basic group mutation, a specific dCAPS (derived cleaved amplified polymorphic sequence) is designed to identify the Hd-q gene, and is used for introducing the Hd-q gene into a target variety by means of assistant selection in combination with a conventional hybridization and backcross method to cultivate the paddy new variety which is insensitive to illumination and wide in applicability.
Owner:YANGZHOU UNIV

A system for printing certificates

The invention discloses a system for printing certificates. The system includes a housing, a magazine, a working part and printing equipment. The magazine is installed on one side of the housing, and the printing equipment is installed on the side of the housing. Mechanism, suction page-turning mechanism, camera mechanism, stamping mechanism, floating gear pair and page-turning touch brush, the interior of the housing is provided with a dynamic propulsion mechanism, and the interior of the housing is located behind the dynamic propulsion mechanism. A suction page-turning mechanism is provided. The inside of the housing is located behind the dynamic propulsion mechanism and is provided with a camera mechanism, the inside of the housing is located on the left side of the camera mechanism and is provided with a stamping mechanism, the outside of the housing is provided with a floating gear pair, and the inside of the housing is located on the floating gear The right side of the vice is provided with a page-turning touch brush. The invention greatly improves the regional adaptability without considering the humidity in the south and the dryness in the north; it improves the adaptability to certificate manufacturers and can satisfy the products printed by different manufacturers.
Owner:北京英格尔科技有限公司

A kind of method of propagation of miscanthus in autumn in the Yellow River Delta

The invention relates to the field of plant propagation, and mainly provides a method for large-scale vegetative propagation of Miscanthus in the field by cutting stems in autumn in the Yellow River Delta region. The method comprises the following steps: selecting and preparing the soil, selecting and processing cuttings, placing seedling raising paper tubes, cutting cuttings, covering with soil, watering, covering with soil for a second time, and covering with film. The characteristics of the present invention are: (1) Miscanthus can be propagated in the Yellow River Delta region in autumn; (2) It can reduce labor, save land, and save energy; (3) It can greatly improve the reproduction coefficient of Miscanthus, and carry out large-scale and standardized propagation. It provides a breeding method for the large-scale and standardized production of Miscanthus in the saline-alkali area of ​​the Yellow River Delta.
Owner:BINZHOU POLYTECHNIC

Magnetic levitation positioner

The invention relates to a magnetic levitation positioner, and relates to a wheel type or magnetic levitation positioner type traffic movement tool. The magnetic levitation positioner adopts a magnetic levitation technology, and is low in power consumption, long in service life and high in efficiency; and the magnetic levitation positioner is characterized in that the weight of the traffic movement tool is applied to a crawler belt with a magnetic field by a scene magnetic field of the magnetic levitation positioner.
Owner:李仕清

A solar polar electric detection trolley

The invention discloses a novel solar electric polar region detection vehicle. The vehicle comprises a drive wheel supporting shaft, wherein drive wheels are mounted on the drive wheel supporting shaft, a chassis is mounted in the middle of the drive wheel supporting shaft, tail metal tubes are mounted on the chassis, propellers are mounted at tail ends of the tail metal tubes, and an electronic control module, a solar cell panel and a lithium battery are mounted; a storage device supporting plate, telescopic multi-degree-of-freedom manipulators and a storage box are mounted below the chassis; a crawler wheel supporting frame is in an inverted-U shape, and crawler wheels are mounted at the tail end of the crawler wheel supporting frame; a camera assembly comprises a camera support, a camera mounting hanger is hinged with a rotary support, and a camera is mounted at the front end of the support and can swing horizontally and vertically. The wheels with a relatively large diameter are adopted and are matched with a flight system, air taxiiing can be realized, and the geographical adaptability is improved; on-site rotation, turning and other motions are realized, and the flexibility is relatively good; the trafficability and the balance performance are improved through the crawler wheels; energy is provided by the battery and a solar cell panel, and the problems about difficulty in energy replenishment, short work time and the like in the prior art are solved.
Owner:FUJIAN UNIV OF TECH

Breeding method of stress resistant green onion breed

The invention discloses a breeding method of scallion breed with stress resistance, which is carried out according to the following steps: breeding of male sterile lines and the maintenance lines, breeding of inbred lines, reproduction of the male sterile line, the maintenance line and the inbred line, breeding of excellent first generation of hybrid, matching of hybridized combinations, repeatedtrials and reproduction of good combinations, wherein, a male sterile line of common growth scallion is chosen as receptor, a scallion with cold resistance, disease resistance, small stomatal aperture and tight scallion stalk inclusion is chosen as donor, backcross is carried out for a plurality of generations, selection is carried out in this way for 5 generations, thereby breeding the male sterile line and the maintenance line with cold resistance, small stomatal aperture and tight scallion stalk inclusion; wild scallion and Shule scallion with cold resistance, drought resistance and disease resistance are chosen as materials, self cross, separation and selection are carried out according to the line method for a plurality of generations, the best are selected and the worst are weeded out, the self cross selection is carried out for 5 generations, thereby breeding the inbred line with cold resistance, drought resistance and disease resistance. The dry scallion series hybrids bred inthe invention have the advantages of drought resistance, cold resistance, disease resistance, high yield, excellent quality, are suitable for dry-cultivation, and have extremely strong stress resistance.
Owner:同延龄

Paddy Hd-q gene and application thereof in cultivation of paddy with wide applicability

The invention discloses a gene Hd-q for controlling the growing period of the base nutrition of the paddy and a method for cultivating the paddy variety which is wide in geographical adaptability by using the gene. The Hd-q gene is a new allele of the paddy EF7 gene, and contains a specific mononucleotide variation point, so that the Hd-q allele-containing paddy variety is insensitive to illumination and wide in applicability. Compared with the coded sequence of the EF7 gene, and the coded sequence of the gene Hd-q in the growth period is characterized in that the basic group at the 395th site has the mutation from T to A to form into a termination codon. According to the T / A single-basic group mutation, a specific dCAPS (derived cleaved amplified polymorphic sequence) is designed to identify the Hd-q gene, and is used for introducing the Hd-q gene into a target variety by means of assistant selection in combination with a conventional hybridization and backcross method to cultivate the paddy new variety which is insensitive to illumination and wide in applicability.
Owner:YANGZHOU UNIV
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