34results about How to "Overcoming time-consuming and laborious" patented technology

The invention discloses a diagnostic method for insect attacks on crops by utilizing a volatile matter. The method comprises the following steps: 1) placing a crop seedling to be detected in a static headspace sampler and standing the crop seedling; 2) introducing headspace gas in the static headspace sampler into an electronic nose sensor array reaction chamber, wherein, a response signal is obtained through reaction between a sensor array and the headspace gas, and the response signal is the ratio of the resistance obtained after sensors contact with the headspace gas to the resistance obtained when the sensors pass through clean air; 3) extracting an electronic nose signal at the 60th second as characteristic data and carrying out feature analysis on the characteristic data about an insect attack by using the methods of principal component analysis and linear discriminant analysis; 4) establishing a mathematical model of the relationship between response signals of the sensors and degrees of the insect attack through gradual discriminant analysis and an artificial neural network. The method provided in the invention overcomes defects in existing detection technology for insect attacks on crops; the invention has the advantages of a simple detection method, easy operation, a short period of time, high precision and capacity of accurately detecting degrees of insect attacks on crops.

The invention discloses an IOT (internet of things)-based intelligent online multilevel monitoring system of urban sewage discharge points. The monitoring system comprises a monitoring host and transmission units, and is characterized in that the monitoring host is connected with multiple monitoring subsystems via the Internet, each transmission unit and each monitoring subsystem are connected with a network node through a wireless network, the network nodes are in wireless connection with a remote upper computer, each monitoring subsystem comprises a monitoring management host which is connected with a set-top box for remote communication, the set-top box is connected with multiple regional centralized controllers arranged in each region through a wireless network, the regional centralized controllers are in wireless connection with multiple environmental sensors, a ZigBee acquisition module is connected with the sensors and the ZigBee acquisition module and an information acquisition terminal are connected with the network nodes through the wireless network, the network nodes are in wireless connection with the remote upper computer, a mobile communication terminal is connected with a ZigBee module, and transmits data to a backend server through a public mobile communication network; the backend server receives and stores the data sent out from the mobile communication terminal.

The invention relates to a capacitor shaping, detecting and conveying mechanism. The mechanism comprises a base and an upper bracket plate fixed to the base, wherein a pinning device, a pin shaping device, a polarity detecting device and a polarity reversing device used for performing pinning, pin shaping, polarity detecting and polarity reversing in turn on capacitors which pass along a straight line are arranged at the same horizontal position of the base; and a cam mechanism which controls the pinning device, the pin shaping device, the polarity detecting device and the polarity reserving device to act is arranged in the base.

The invention relates to a pull device, in particular to an automatic pull device for cable cutting. In order to achieve the technical aims, the automatic pull device for cable cutting is high in automation degree and cable pull efficiency, and cables are not prone to being damaged. The device comprises a pay-off rack, a support, an upper reel, a lower reel, an air cylinder, a tension inductor and the like. The support is arranged on the right side of the pay-off rack. The upper reel is rotationally arranged on the upper portion of the support. A sliding groove is formed in the lower portion of the support. The lower reel is mounted in the sliding groove. The air cylinder is connected to the lower reel. The other end of the air cylinder is mounted on the support. The tension inductor is arranged on the rear side of the lower reel. The automatic pull device overcomes the defects that under the existing technical conditions, in the cable pull process, the automation degree is low, time and labor are consumed, the cable pull efficiency is low, and cables are prone to being damaged; and the automatic pull device achieves the effects that the automation degree and the cable pull efficiency are high, and the cables are not prone to being damaged.

The invention discloses a fatigue life evaluating device for flexible gears. The fatigue life evaluating device comprises a mechanism bottom plate and a transmission shaft arranged horizontally and used for mounting a tested flexible gear. A fixing support, a loading device, a driving device, a magnetic powder brake, a torque sensor and a speed increaser are mounted on the mechanism bottom plate, the fixing support is used for fixing the flexible gear and mounting the transmission shaft, the loading device is fittingly installed with the fixing support and is used for loading the tested flexible gear, components of the driving device are sequentially and fittingly connected to the tested flexible gear, and the magnetic powder brake, the torque sensor and the speed increaser are installed according to the preset requirement on coaxiality and are sequentially and fittingly connected to the tested flexible gear. The driving device and the loading device are fittingly installed according to the preset requirement on coaxiality, and the loading device and the speed increaser are fittingly installed according to the preset requirement on parallelism and the preset requirement on a meshing clearance of gears. The fatigue life evaluating device for flexible gears can overcome shortcomings that an operation process is complicated, time and labor are wasted, cost is high, testing effects are unsatisfactory, and the like in the prior art. Besides, the fatigue life evaluating device has the advantages of simplicity and convenience in operation process, capability of saving time and labor, low cost and perfect testing effect.

The invention relates to the technical field of peanut breeding and provides a rapid and efficient breeding method for a peanut variety with high oleic acid content. According to the method, the oleicacid content of single-grain peanuts is detected by near infrared on the basis of the law of the number of AhFAD2 gene mutations in single-grain peanut seeds and the oleic acid content, the oleic acid content can be selected in the early stage of hybridization by setting different selection conditions of the oleic acid content without dependence on molecular markers, and the peanut variety with the high oleic acid content is rapidly and efficiently bred; the method is rapid, efficient, simple and easy to operate, the breeding progress of the peanut variety with the high oleic acid content iseffectively accelerated, breeding efficiency is improved, and cost is reduced to a great degree.

This invention provides an optical selecting amidase filtration method. The sample detected is dissolved in solution of pH 5 to 9; hydroxylamines are added and make its final concentration between 0.5 to 1M. Then chiral S-amide or R-amide is added as substrate, and make its concentration between 5 to 30mM. They react in water at 20 to 50 degree centigrade, and then the reacted transformation liquor is added solution with Fe<3+> to colored. If it is reddish brown, it reveals that the sample's optical selection is consistent with the substrate spatial configuration, or the amidase didn't have the optical selection. If it is faint yellow, it reveals that the sample's optical selection is not consistent with the substrate spatial configuration. The substrate is don't need derivation, the method can use simple colorimetry to quickly identify the amidase's activity and optical selectivity of the detected microorganism and its extract. Its filtration process is simple, fast, and its equipment request is low, versatility is strong, so it brings great convenience to the optical selecting amidase filtration.

The invention provides a high-throughput screening method of nitrile invertase, which comprises the following steps of: dissolving a sample to be tested in distilled water; adding a substrate namely an amino-nitrile compound, a hydroxy-nitrile compound or an amide compound into the mixture until the concentration of the substrate is 1 to 100 mM; performing a conversion reaction in a water bath at the temperature of between 10 and 50 DEG C for 10 to 120 minutes; taking the conversion liquid, adding Fe2<+> ion aqueous solution and Fe3<+> ion aqueous solution into the conversion liquid successively to perform a color reaction, wherein the quantity ratio of the added substrate to the Fe2<+> to the F3<+> is 1:1-3:1-3, the time interval for adding the two ions is 0 to 10 minutes; and judging the type of the contained nitrile invertase according to color changes of the solution. The complex color reaction-based high-throughput screening method of the nitrile invertase can better overcome the defects of the conventional screening method, can quickly identify whether the tested sample has the nitrile hydratase, amidase or nitrilase through simple color contrasts, has the advantages of simple and convenient operation, quick detection, economical efficiency, practicability and the like, and greatly facilitates the quick screening of the nitrile hydratase, the amidase or the nitrilase.

The invention discloses a cable pulling and cutting device comprising a fixed support, a pulling assembly and a cutting assembly. The pulling assembly and the cutting assembly are both installed on the fixed support. A regulation hole array formed by long circular regulation holes are longitudinally formed in a side plate of the fixed support. Supporting shafts installed in the regulation holes are sleeved with tension regulation wheels in the pulling assembly. A speed regulation motor is fixed to a bottom plate. A pulling wheel is arranged on an output shaft of the speed regulation motor. A rotating wheel is arranged above the circle center of the pulling wheel. A supporting rod is arranged on a top plate. The bottom end of the supporting rod is connected with a center shaft of the rotating wheel. A cutting base in the cutting assembly is fixed to the bottom plate. A cylinder is installed on the portion, over the cutting base, on the top plate. A cutting knife is connected with a pushrod of the cylinder and faces the cutting base. Damage to cables is reduced through cooperation of the tension regulation wheels. The cables can be more rapidly and safely pulled through cooperationof the rotating wheel and the pulling wheel. The cylinder drives the cutting knife to cut the cables, and cable cutting can be more accurate and efficient.

The invention discloses Phytopythiumvexans detection primers, LAMP detection system, kit and method. The detection primers include a forward inner primer FIP, a backward inner primer BIP, a forward outer primer F3, a backward outer primer B3 and a forward loop primer LF. Compared with a traditional detection technology for identifying Phytopythiumvexans according to morphological characteristics,the detection method provided by the invention has the advantages of high accuracy and sensitivity and convenience in operation, and provides a new technical platform for Phytopythiumvexans detectionwhile realizing constant-temperature amplification. The method can be used for high-sensitivity rapid detection of the Phytopythiumvexans in production practice, pathogens can be identified in the early stage of disease infection, and the Phytopythiumvexans in field soil can be detected. According to the invention, reliable technical and theoretical bases are provided for prevention and treatmentof the Phytopythiumvexans.

The invention discloses a round log diameter detection device and method. The round log detection device comprises a support for placing a round log, a laser range finder arranged on one side of the support, an order input module, a data collection module and a central processing module; the size of the diameter of the round log can be determined through collecting signal data of an infrared sensor; and the size of the diameter of the round log can be analyzed and calculated through detecting a distance from the laser range finder to the surface of the round log and combining with the distance between the laser range finder and the support for placing the round log. In the round log diameter detection device, the central processing module is connected to a control system of a rotary cutting machine. The round log diameter detection device and method are applied in the round log rotary cuter, can realize automatic control on a moving distance of a moving cutter table, overcomes a defect of controlling a walking distance of a walking table through artificial observation wastes time and energy, and improves working efficiency.

The invention relates to a method for producing ceramic washer mould, wherein it is characterized in that: it first uses non-mould sand shaping method to produce the ceramic washer mould, and optimizes the adhesive, and adds the process that penetrates epoxy resin into sand mould to improve the strength of sand mould. The inventive mould can be used original blank mould of work mould and the test sample of wash test and appearance test. The invention can shorten time and reduce cost.

The invention discloses a projection screen area adjustment method. The method comprises the following steps: performing splicing calibration on projection surfaces of a plurality of projection devices to form an initial projection screen area, and obtaining a calibration result parameter, wherein the calibration result parameter comprises an area requiring a projection image and a position corresponding relation between the area and the initial projection screen area; adjusting the projection screen area according to the indication of a user, and establishing a mapping relation between the area requiring the projection image and the adjusted area requiring the projection image based on the adjustment operation; mapping the projection image into the adjusted projection image based on the mapping relation; and mapping the adjusted projection image onto the initial projection screen area based on the calibration result parameter. In addition, the invention further discloses a projection screen area adjustment device.

The invention discloses a method for automatically identifying illegal dumping based on ship AIS track data. A section of ship AIS track data is utilized to calculate an overlapping area with an engineering area and a dumping area, all illegal dumping behaviors are automatically identified by traversing track points of the section of navigation track and combining dumping recorder data and dumpinglicense information, and an alarm is given to a supervision department in time. The defects that in the prior art, supervision is time-consuming and labor-consuming, and all illegal dumping behaviorscannot be recognized are overcome, illegal dumping behaviors can be effectively reduced, and the marine ecological environment is improved.

The invention relates to a method and system for monitoring electricity larceny prevention of distribution lines. According to the method, electricity larceny prevention monitoring devices are arranged at the first and last ends of each branchless distribution line in a station area to collect active power at the first and last ends of the branchless distribution line, thereby monitoring whether an electricity stealing phenomenon exists in the distribution line by the manner of comparing reactive power at the first and last ends of the branchless distribution line. At the same time, the electricity larceny prevention monitoring device communicates with a monitoring center through a cellular narrow-band Internet of Things communication manner. The technology of the method and the system isscientific, simple and reliable to implement, and has the characteristics of timely monitoring and accurate positioning of monitoring points.

The invention discloses a knuckle pivot marking machine comprising a substrate fixedly connected with a laser making machine, a knuckle pivot push unit, a knuckle pivot stop unit and a knuckle pivot placing unit; the knuckle pivot push unit comprises a cylinder fixing plate fixed on the substrate; the cylinder fixing plate is fixedly connected with a knuckle pivot push cylinder, and a front end of the knuckle pivot push cylinder is connected with a push block; the knuckle pivot stop unit comprises a support plate fixed on the substrate, and one side of the support plate is fixedly connected with a stop block; the knuckle pivot placing unit comprises fixedly connected a first cylinder rod and a second cylinder rod, wherein the diameter of the first cylinder rod is bigger than that of the second cylinder rod. The beneficial effects are that the knuckle pivot marking machine can solve the time and labor wasting problems in a conventional mode, is fast in marking speed, and high in marking precision.

The invention discloses an integrated lens for terahertz signal detection. A terahertz photoconductive detector is connected with a detector sleeve through a screw, the silicon rubber is sealed in a counter bore, and a terahertz focusing lens and a terahertz collimating lens are respectively arranged at the two ends of the lens sleeve. A focusing lens pressing sheet and an collimating lens pressing sheet are used for threaded pressing, dispensing and curing, after the detector sleeve and the lens sleeve are screwed in and adjusted to the proper positions through threads, an elastic fastening ring is screwed in, nitrogen is filled into a sealing ring hole, the internal air is exhausted, and then the hole is sealed by a rubber sealing plug, so that the dryness of an internal terahertz transmission path is ensured, and the interference of water vapor absorption on terahertz signals is eliminated. The idea of integrated design is introduced into the design of a terahertz signal detection device, an integrated lens is invented, and the convenience of use and the accuracy of measurement are improved.

The invention discloses a multi-sliding-block variable-tonnage continuous forging and pressing machine tool. The continuous forging and pressing machine tool comprises a machine frame, wherein a forging and pressing mechanism and a forging and pressing platform are arranged on the machine frame; the forging and pressing mechanism comprises a driving mechanism, a connecting rod transmission mechanism, crank connecting rod mechanisms and sliding blocks; the driving mechanism is provided with a driving gear, and an eccentric shaft is arranged on the driving gear; the connecting rod transmission mechanism is composed of a transmission connecting rod and at least two transmission wheels, at least two mounting holes are formed in the transmission connecting rod side by side, an eccentric hole is formed in each transmission wheel, the mounting holes and the eccentric holes are correspondingly connected through pin shafts, and one of the mounting holes and the eccentric holes are arranged on the eccentric shaft in a sleeving manner; each crank connecting rod mechanism is composed of a crankshaft and a crank, the crankshafts are connected with the transmission wheels, the swing ends of the cranks are connected with the sliding blocks; and the sliding blocks are arranged in sliding grooves. According to the continuous forging and pressing machine tool, the occupied area is small, the equipment investment cost is low, the effective forging and pressing area is large, the random adjustment on the forging and pressing tonnage is realized, and the requirement for continuous forging and pressing of each working procedure of the product is met.

The invention discloses a multi-stage screening device. The device comprises a screening tank, wherein a plurality of screening plates are arranged in the screening tank, and are arranged in an inclined and parallel manner; a plurality of screening holes are formed in each screening plate and are uniformly distributed; a feeding opening is formed above the higher side of each screening plate, is provided with a valve, and is connected with a main feeding pipe through a connecting pipe; a plurality of discharge openings corresponding to the screening plates are formed in the side face of the screening tank; a discharging blanking plate is arranged at the top end of each screening plate, and comprises a rectangular material receiving part and a ladder-shaped dispersing part; the bottom endsof the dispersing parts are connected with the screening plates; baffles are arranged on two sides of the material receiving parts and dispersing parts; each material receiving part is positioned under the corresponding feeding opening; and a plurality of separators are arranged on the dispersing parts and are distributed in a sector shape. The multi-stage screening device has a simple structure,strong adaptability and high screening efficiency.

The invention discloses a steel plate splicing welding joint bottom-surface ceramic liner lifting device and an operation method thereof. The device comprises a lifting hanging rack, a lifting device body and a liner bracket, wherein the lifting hanging rack is mounted on the upper surface of welded steel plates; the lifting device body is fixedly connected with the lifting hanging rack and penetrates through a steel plate welding joint; the liner bracket is mounted at the bottom of the lifting device body; and the lifting device body comprises pulley blocks each provided with a self-locking device. By means of the method, a liner is lifted to a welding joint plate bottom position to be put in place from the ground (floor) surface through the lifting device body, is fixed through the self-locking devices and then is mounted at the highly-aloft surface steel plate welding joint, so that welding joint backing weld operation is guaranteed, the mounting efficiency of the liner is improved, the operation difficulty is lowered, the construction cost is reduced, and the construction safety is improved.

The invention provides composition used for irregular menstruation. The composition is characterized by being prepared from raw materials in parts by weight as follows: 20-40 parts of poria cocos, 20-40 parts of longan, 10-20 parts of fructus lycii, 5-10 parts of flos rosae rugosae and 2-5 parts of radix angelicae. All medicinal materials in the composition have the efficacy of activating blood, dispelling coldness, improving microcirculation and regulating menstruation. The solid drink contains rich nutrients, is good in water solubility, has good taste and flavor, is convenient to carry andtransport and has broad application prospects.

The embodiment of the invention provides a manual stamping machine, and belongs to the technical field of office supplies. The manual stamping machine comprises a machine frame, wherein the upper endpart of the machine frame is coaxially provided with a gear, an operation handle and a guide sleeve through a gear shaft; the gear is fixed relative to the operation handle; a rack is arranged in theguide sleeve; the rack is meshed with the gear; an elastic chuck is arranged at the lower end part of the rack; the elastic chuck is used for clamping a seal; the operation handle is used for drivingthe gear to rotate around the gear shaft so as to further drive the rack to do reciprocating motion; and the stamping process is completed after the seal is provided with the stamp-printing oil. The stamping process is completed through the operation handle, thus the defects that stamping is time-consuming and labor-consuming and the quality of stamping is poor in the prior art are overcome, and the effects of improving the stamping efficiency and the stamping quality are achieved.

The invention discloses a sugarcane peeler including a peeling machine; a motor is started up in a forward-rotating manner to drive a lead screw and a motor belt pulley to rotate, so as to drive a thread block and a clamp plate to move downwards. The sugarcane peeler can automatically peel sugarcane and overcomes the shortcomings of traditional manual peeling, such as time consuming, labor consuming and unclean peeling; meanwhile, an automatic cutting device can complete the function of automatic peeling of sugarcane, the necessity of a special cutting knife is omitted, and the practicability of the device is greatly improved; and the sugarcane peeler reduces the possibility of error through mechanical transmission cooperation.

The invention discloses a high-flux plant tissue genome DNA extraction method based on a paramagnetic particle method, and belongs to the field of molecular biology. The invention specifically discloses a DNA extracting solution. The DNA extracting solution comprises the following components: (a) the DNA extracting solution comprises the following components: NaCl, Tris-HCl, EDTA (Ethylene Diamine Tetraacetic Acid), CTAB (Cetyltrimethyl Ammonium Bromide), sorbitol and PVP (Polyvinyl Pyrrolidone); (b) the DNA extracting solution is prepared from the following components: NaCl, Tris-HCl, EDTA (Ethylene Diamine Tetraacetic Acid), SDS (Sodium Dodecyl Sulfate), sorbitol and PVP (Polyvinyl On the basis of a magnetic bead method, the DNA extracting solution is combined with a pipetting workbench, the defects that time and labor are consumed, manual operation steps are many, the scale standardization degree is low, organic reagents are harmful to human bodies and pollute the environment and the like in a traditional method are overcome, the DNA extracting efficiency is improved by 10 times, and the prepared DNA is stable and reliable in quality and high in practicability. The requirements of large-scale molecular marker-assisted breeding on high-throughput nucleic acid extraction can be met.

The invention discloses a running water bottom type fishing net. A steel frame support is rectangular, four sides of the steel frame support are covered with a net piece, balancing weights are arranged at bottoms of two sides of the net piece covering the steel frame support, a sliding door is arranged in the middle of the front top end of the steel frame support, and a door pull rope is connected with each of two sides of the sliding door; a fish inlet and a fish storage bag are connected with the back end of the net piece covering the steel frame support respectively, the fish inlet extends inwards to be connected with an inner reversed barb, the inner reversed barb is connected onto the steel frame support through an inner reversed barb rope, and an opening tying rope is connected with the back end of the fish storage bag.

The invention relates to an automatic detection and alarm system for fire resistance test of a wire and cable. The system comprises a sample supporting frame, a blow lamp, a fire source control system, a loop control system and a PLC control system; the blow lamp is connected with the fire source control system through a gas pipeline; a tested cable sample is connected to the loop control system to form an electrified loop, and the fire source control system and the loop control system are connected with the PLC control system. The automatic detection and alarm system for the fire resistance test of the wire and cable can realize automatic adjustment and real-time monitoring of test parameters and automatic recording and storage of test results, can also automatically give an alarm for unqualified cable samples and timely cut off a power supply and extinguish flame of a blow lamp, improves the detection efficiency, reduces the influence of human factors, and ensures the safety of detection equipment and a test process on the basis of improving the accuracy of a detection result.

The invention relates to a sliding supporting platform for a mobile operation vehicle. The sliding supporting platform comprises a supporting plate, wherein supporting beams are fixedly connected to two sides of the lower surface of the supporting plate; the supporting beams are connected with a plurality of supporting seats in a sliding way; the supporting seats are fixedly connected to the bottom of a carriage; the supporting beams comprise supporting rods which are fixedly connected with the supporting plate and sliding rods which are connected with the supporting seats in a sliding way; and the sliding rods are fixedly connected and welded with the supporting rods. The sliding supporting platform for the mobile operation vehicle has the advantages that the structure is simple; a light-duty machinery apparatus can be rapidly unloaded from the vehicle; a drawer type moving platform is adopted, the worker can conveniently and rapidly load, fix or unload an unmanned aerial vehicle or other similar machinery apparatuses without getting on the vehicle; the operation is rapid and convenient; safety and reliability can be realized; and defects that the existing loading and unloading modes are time- and labor-consuming and the like are overcome.

The invention discloses a reverse mounting type locking device for large aperture vacuum sealing elements, relates to a locking device for vacuum sealing elements, and aims at solving the problem that corresponding devices lack currently so as not to realize vacuum sealing and rapid locking mechanisms of large aperture optical elements. The device comprises a vacuum isolating component, a vacuum isolating guide component, an unloosening screw baffle and N unloosening screws, wherein the vacuum isolating guide component comprises two guide frames and two guide grooves; the guide groove is fully arranged along the inner side of the guide frame; openings of the two guide grooves in the two guide frames are opposite to each other and are respectively and fixedly connected with two opposite side ends of a lens module casing; and the vacuum isolating component gets in / out of the cavity of the lens module casing through the guide grooves. The locking device has the advantages that the problem that large optical path space is occupied by positive mounting type dismounting, the dismounting opening in the device is small, limited dismounting space in a large aperture optical focusing and frequency converting system is sufficiently utilized, the system stiffness is enhanced, and the device is time-saving and labor-saving. The device is applicable to online rapid dismounting and locking of vacuum isolating components.

The invention provides an intelligent analysis method for meeting a medium-voltage user access power supply point. The intelligent analysis method comprises the following steps: acquiring a user installation point coordinate and a corresponding user power utilization installation grid in a preset distribution network grid hierarchy model where the user installation point coordinate is located; detecting the current situation wiring margin in the power utilization installation grid of the user, the existing ring main unit and the existence situation of the standby corner in the existing ring main unit; and according to a detection result, screening lines in current wiring or new target wiring of the transformer substation, and taking a certain number of existing ring main units or newly-built ring main units from all the selected lines as user access power supply points. By implementing the method, time and labor are saved, the accuracy of selection of the access power supply points is ensured, and the problems that time and labor are wasted and the effect is difficult to guarantee when the user access power supply points are selected by manual experience in the prior art are solved.

Disclosed is a novel product counter mechanism. A data indicator is mounted on a worktable, a transmission module is connected to one side of the data indicator, an infrared receiving module and an infrared scanning and transmitting module are connected on the transmission module, a PLC (programmable logic controller) is connected on the infrared scanning and transmitting module, a power supply mechanism and a switch are connected on the PLC, a conveying mechanism is arranged on the switch, and belt pulleys and a conveying belt are arranged on the conveying mechanism. An electronic calculator is connected to the other side of the data indicator, an electronic counter is connected on the electronic calculator, and a counting storage unit is mounted on the electronic counter.