107results about How to "Prevent incoming" patented technology

The invention relates to a method which uses microsatellite marking technology for identifying the animal origin ingredients in meat products, belonging to the biological high-tech field. The use of the microsatellite marking technology for identifying the origin ingredients of cattle, sheep, pigs, dogs, chickens and ducks in the meat products comprises the extraction of genomic DNA in meat products, the conducting of PCR reaction, the PCR product detection and primer screening, and the identification of samples. The method selects microsatellite marks with specific property among the types and universal property in the type, designs specific primers, establishes PCR detection methods, and identifies the origin ingredients of cattle, sheep, pigs, dogs, chickens and ducks in the meat products according to the size and the availability of amplification fragment. The invention has the advantages of rapidity, simplicity, accuracy, strong specificity and high sensitiveness. The invention is suitable for being promoted and used for detecting multitudinous samples. The invention also has great significance for preventing the mad cow disease from being spread into China and the illegal businessmen from concealing the commodity elements, and ensuring national security and the health of people.

The invention relates to an active component array substrate and a detection method thereof. The active component array substrate is provided with a display area and a peripheral circuit area, and comprises a plurality of pixel units, a plurality of signal conductors, a plurality of detection pads and a first dielectric layer, wherein the pixel units are arranged in an array in the display area; the signal conductors and the detection pads are configured in the peripheral circuit area; and the first dielectric layer is covered on the detection pads. In the detection method of the active component array substrate, first, part of the first dielectric layer is removed to expose the detection pads to be in electrical contact with a detecting tool, i.e., before detection, the detection pads are electrically insulated from the outside, thus preventing static charges from causing static damage to the pixel units through the detection pads and the signal conductors, and improving the circuit stability of the active component array substrate.

The invention relates to pheromone cockroach attractant, a bait for attracting cockroach to feed, belonging to a pest attractant containing organic compound. The specific formula of the pheromone cockroach attractant comprises the following components in percent by weight: 45% of flour, 10% of white sugar or edible oil, 10% of borax, 5% of slow-release agent and 30% of water; according to the ratio, the components are uniformly mixed to obtain food; 1-10mg/kg of pheromone (powder) is added into the food, and the pheromone and the food are stirred to be uniform; and the bait is used when being made into powder or granules. The pheromone cockroach attractant has the characteristics of good safety, strong food calling force, no drug resistance, no environmental pollution and long-term control and can realize environmental protection and ecological control.

The invention discloses a degenerate reverse transcription-polymerase chain reaction (RT-PCR) detection reagent and a kit for hantavirus group. The detection reagent comprises a pair of degenerate heterozygous oligonucleotide primers, and the sequences of the degenerate heterozygous oligonucleotide primers are respectively G1: GCAACAGCAACATGGTTTcartaytayac and G2: CTTCTTCATTCATATTTCCATGCarnccyttytc; the non-merger consensus sequence of the 5' ends in the primers plays a role in stabilizing the combination of a 3' merger core area and a template under the condition that the degeneracy of the primers is not increased, so that the specificity of the degenerate PCR reaction is improved, various viruses in hantavirus can be amplified and detected, the homologous unknown viruses of the extendedgenes can also be detected and the amplified target fragments can be sequenced by the detection reagent; and the kit are relatively high in sensitivity and good in hantavirus group specificity, can be used for detecting domestic popular Hantaan and Seoul viruses, and can also be used for detecting other oversea epidemic strains. The degenerate RT-PCR detection reagent and the kit for the hantavirus group are high in sensitivity, good in hantavirus specificity and universal.

The invention provides a method of detecting and identifying cernuella virgata da costa through a fluorescent quantitation PCR. Molecular characteristics of cernuella virgata da costa can be identified by using a specific primer and a probe, an upstream primer of the fluorescent quantitation PCR is CVF:5'-CGTTTCGGGTGGGAGGGTTA-3', a downstream primer of the fluorescent quantitation PCR is CVR:5'-AAGTCGTCCGAGCTGTTCCG-3', the fluorescent probe is CVP:5'-FAM-AACCCAGGGCGCCTCCGCGG-BHQ-3', wherein a fluorescent reporting group which is marked by a 5' end is FAM, and a fluorescent quenching reporting group which is marked by a 3' end is BHQ. The method can detect and identify cernuella virgata da costa quickly and precisely, the method has the advantages of high specificity and sensitivity, short consuming time, and precise and convenient result determination, PCR post processing is not needed, and a false positive and cross pollution can be avoided effectively.

The invention provides an overvoltage protection device of a chopper, the chopper and an electric locomotive. The overvoltage protection device comprises a voltage detection unit, a first voltage comparison unit, a first time acquisition unit, an electric energy absorption unit and a fuse, wherein the voltage detection unit is arranged in an output end circuit of a voltage-decreasing chopper, the first voltage comparison unit is connected with the voltage detecting unit, the first time acquisition unit is connected with the first voltage comparison unit, the electric energy absorption unit is arranged behind an output end voltage detection unit of the voltage-decreasing chopper and is connected with the first time acquisition unit, and the fuse is connected in series with an input end circuit of the chopper. With the overvoltage protection device adopted, the output overvoltage of the chopper can be prevented from damaging components connected in later-stage circuits of the chopper, and therefore, the switching frequency of the chopper can be reduced under the premise that corresponding equipment is protected, and thus, the service life of the chopper can be prolonged, and the operational stability of a system using the chopper can be improved.

A temperature sensing implement structure of an electromagnetic stove comprises a crystallite board, a thermal resistance, etc. The invention is characterized in that: the copper board and the thermal resistance constitute a temperature sensing implement which can closely contact with a stainless steel boiler to precisely detect the temperature in the boiler, an insulation layer is additionally arranged between the crystallite board and a wire disk. The invention has the beneficial effects that: because the temperature sensing implement closely contacts with the bottom of the stainless steel boiler, the temperature control is very precise, so the intelligent control of the frying dishes without soot and cooking rice are achieved, because the existing electromagnetic stove can not precisely detect the temperature in the boiler, the functions can not achieved; because the insulation layer is additionally arranged between the crystallite board and the wire disk, the heat on the crystallite board is prevented from transferring to the body, the temperature in the electromagnetic stove body is effectively reduced, and at the same time the burnout of the wire disk is prevented.

The invention discloses a method for molecular detection of Phytophthora cambivora(Petri)Buisman with the loop-mediated isothermal amplification (LAMP) technique based on color differentiation, and primers. The sequences of the primers are shown from SEQ ID NO.1 to SEQ ID NO.6. According to the detection system, under the isothermal condition of 62 DEG C, Phytophthora cambivora(Petri)Buisman can be detected quickly, conveniently and efficiently with high specificity and sensitivity, no complicated instrument is needed, a new technical platform is provided for detection of Phytophthora cambivora(Petri)Buisman, and the requirement for field detection of Phytophthora cambivora(Petri)Buisman can be well met. The detection system is suitable for inspection and quarantine of entry/exit plants and plant products, and investigation, rapid diagnosis and monitoring of diseases, and is of great importance in preventing Phytophthora cambivora(Petri)Buisman from entering China. Meanwhile, the establishment of the system provides technical guidance and theoretical basis for detection of other pathogenic bacteria.

The invention discloses an integrated replaceable hydrogen storage tank special for a hydrogen energy vehicle, and relates to the technical field of soil restoration and irrigating. The integrated replaceable hydrogen storage tank includes an exhausting outlet and a set connector, a rubber ring is mounted on the outer side of the exhausting outlet, a clamping buckle is arranged on the inner side of the exhausting outlet, a shell is arranged on one side of the exhausting outlet and is further includes a steel body layer, a thermal insulating layer and an anti-corrosion layer, and the shell is connected to the outer side of the steel body layer. According to the integrated replaceable hydrogen storage tank special for the hydrogen energy vehicle, a fixing block, a clamping block, a spring, atop plate, the set connector and a hydrogen tank are arranged, the clamping block is fixed by users through the fixing block, elasticity of the spring reduces damage to internal parts of the device caused by external vibration transmitted into the device during impacting, the service life of the device is enhanced, the hydrogen tank can be inflated and exhausted by the users through the set connector, using is convenient for the users, the hydrogen tanks with the different sizes are designed according to the different driving range to meet air consumption of different vehicle models, and several capacity specifications can be designed.

The invention provides an insulated mounting method for segment jointing of an A-type independent liquid cargo tank. The method is applied after segments of the liquid cargo tank are welded and jointed. The method is mainly characterized by protecting each welding seams between the segments through over insulation, and preventing heat loss caused by positions of the welding seams. Main steps of the method comprise: surface cleaning for the welding seams between the segments, spraying of an anticorrosive coating, spraying of a foaming material, perfusion of a foaming material through die cavities, and spraying of a protective coating. Through the steps, the problem of inconvenience for insulated mounting during segment jointing of the liquid cargo tank can be effectively solved, and because the method is directed at a structure characteristic of the A-type independent liquid cargo tank and spraying of the foaming material and perfusion of the foaming material are adopted at the same time, the insulated effect can be effectively ensured, the tightness of insulated mounting can be guaranteed, and heat outside the liquid cargo tank is prevented from transferred into the liquid cargo tank.

The invention discloses an effective disinfection treatment system for imported plants. The effective disinfection treatment system comprises a hollow fumigation chamber, a fumigation treatment systemand a drip-irrigation disinfection treatment system; the fumigation treatment system is used for vaporizing bromomethane liquid into bromomethane gas, feeding the bromomethane gas into the fumigationchamber to fumigate the imported plants placed in the fumigation chamber in advance; the drip-irrigation disinfection treatment system is used for injecting disinfectant solution to soil at the rootsof the imported plants. The effective disinfection treatment system for the imported plants can disinfect the imported plants reliably effectively from all sides, to guarantee safety of the importedplants, effectively prevent alien species from intruding the national territory and protect domestic agriculture and forestry production safety, is easy to promote and apply, and has a great significance in production practice.

The invention provides an insulated mounting method for bottom-surface middle rolling prevention supports of an A-type independent liquid cargo tank. The bottom-surface middle rolling prevention supports comprise rib plates, mounting panels, stow-wood grooves and stow-woods. The insulated mounting mainly comprises: using foaming materials to protect each bottom-surface middle rolling prevention support, and preventing heat loss caused by heat transfer between metals. Main steps of the method comprise: surface cleaning for the liquid cargo tank and the bottom-surface middle rolling prevention supports, spraying of an anticorrosive coating, spraying of the foaming material, perfusion of the foaming material through die cavities, and spraying of a protective coating. Through the steps, the problem of inconvenience for insulated mounting of the bottom-surface middle rolling prevention supports can be effectively solved, and because the method is directed at a structure characteristic of the A-type independent liquid cargo tank and spraying of the foaming material and perfusion of the foaming material are adopted at the same time, the insulated effect can be effectively ensured, the tightness of insulated mounting can be guaranteed, and heat outside the liquid cargo tank is prevented from transferred into the liquid cargo tank.

The invention provides a cloud tea data management method, management terminal and management system. The cloud tea data management method comprises the steps of S1, acquiring the information of tea leaves entered by a user; S2, searching from cloud tea data matching the tea leaves from a server and displaying the data, wherein the cloud tea data include tea leaf growth information which includes at least one of meteorological data, soil data and biochemical data of tea leaves in a tea leaf growth process. The cloud tea data management method, according to the information of tea leaves entered by a user, can obtain and display cloud tea data matching the tea leaves, so that the query and tracing of tea leaf data are realized.

The invention discloses a method for authenticating the species of tobacco mosaic viruses and a special bar code primer thereof. A bar code primer group provided by the invention consists of Tobamo F6 and Tobamo R6. An experiment shows that by the use of the primer group provided by the invention, a sample for representing the symptom can be amplified to tobacco mosaic virus type viruses by 100 percent, and the sequencing success rate is 100 percent; the method can be used for effectively performing species authentication on the viruses in the species. The special bar code primer can be applied to quarantine of imported plants and products of the imported plants, and virus introduction is prevented; the special bar code primer can be also popularized and applied to a plant protection and detection station, a scientific research institution, an agricultural production enterprise and a peasant household in a large range in China.

The invention provides an insulated mounting method for combined supports of an A-type independent liquid cargo tank. The combined supports comprise rib plates, mounting panels, stow-wood grooves and stow-woods. The insulated mounting mainly comprises: using foaming materials to protect each combined support, and preventing heat loss caused by heat transfer between metals. Main steps of the method comprise: surface cleaning for the liquid cargo tank and the combined supports, spraying of an anticorrosive coating, spraying of the foaming material, perfusion of the foaming material through die cavities, and spraying of a protective coating. Through the steps, the problem of inconvenience for insulated mounting of the combined supports can be effectively solved, and because the method is directed at a structure characteristic of the A-type independent liquid cargo tank and spraying of the foaming material and perfusion of the foaming material are adopted at the same time, the insulated effect can be effectively ensured, the tightness of insulated mounting can be guaranteed, and heat outside the liquid cargo tank is prevented from transferred into the liquid cargo tank.

The invention discloses a building board.The building board comprises a board body.A sound insulation and heat insulation layer is arranged in the board body, a vacuum layer is arranged in the sound insulation and heat insulation layer, a foam board is arranged on the upper surface of the sound insulation and heat insulation layer, one or more resonance balls are arranged in the foam board, a first glass fiber cotton layer is arranged on the upper surface of the foam board, a second glass fiber cotton layer is arranged on the lower surface of the sound insulation and heat insulation layer, a radiation protection layer is arranged on the upper surface of the first glass fiber cotton layer, a first wood board layer is arranged on the upper surface of the radiation protection layer, and a second wood board layer is arranged on the lower surface of the second glass fiber cotton layer.The building board is high in strength, good in sound insulation effect and high in radiation protection performance.

The invention discloses a method for detecting multiple targets based on a long probe. The method is characterized by comprising the steps of: 1) obtaining targets to be detected and the nucleotide sequences of internal references 18S rRNA (Ribosomal Ribose Nucleic Acid) thereof, and designing identification probes for two oligonucleotides closely connected together in the conserved region of each target to be detected and the internal reference 18S rRNA thereof; 2) designing universal primers and selecting a filler long sequence, connecting the end 3' of the universal sequence Tag2 with the end 5' of the upstream identification probe to form an upstream LDR (Ligase Detection Reaction) probe, and connecting the filler long sequence with the end 5' of the universal sequence Tag1 and the end 3' of the downstream identification probe to form a downstream LDR long probe; 3) carrying out the ligase detection reaction between the upstream LDR probe and the downstream LDR long probe, and a target sample to be detected; 4) amplifying the connected product by using the upstream and downstream universal primers, obtaining stripe information through agarose nucleic acid electrophoresis, and thus obtaining the infection condition of the mixed targets.

The invention discloses alkali-resistant glass fiber mesh cloth. The mesh cloth is formed by weaving longitude lines and latitude lines, wherein all the longitude lines are arranged longitudinally atequal distance, all the latitude lines are arranged horizontally at equal distance, and each of the longitude lines is woven with all the latitude lines; all the longitude lines and all the latitude lines are glass fiber yarns, each of the glass fiber yarns comprises a plurality of monofilaments, and the diameter of each of the monofilaments is 7-10 [mu]m; the thickness of the alkali-resistant glass fiber mesh cloth is 0.2-0.7 mm; and the outer surface of the alkali-resistant glass fiber mesh cloth is coated with a binding agent layer, and the outer surface of the binding agent layer is coatedwith an alkali-resistant layer. The alkali-resistant glass fiber mesh cloth is strong in high temperature resistance, high in tensile strength and low in thermal conductivity coefficient; in addition, when the alkali-resistant glass fiber mesh cloth is compounded with resin to form an anti-ablation material, the anti-ablation property and the mechanical washing resistance of the anti-ablation material can be effectively improved, and high temperature on the surface of the anti-ablation material can be prevented from transmitting into the anti-ablation material.

The invention belongs to the technical field of plant quarantine and relates to a primer and a probe for a real-time fluorescence polymerase chain reaction (PCR) detection of pear decline phytoplasma. The primer and the probe for the real-time fluorescence PCR detection of the pear decline phytoplasma contain a specific cycling probe and a pair of primers: (1) probe LSTProbe: 5'-(FAM) ATTCTGACTGTA (Eclipse)-3'; and (2) primer LSTPrimer-F:5'-ACTCTGACCGAGCAACGCC-3'; LSTPrimer-R:5'-GATAACGCTTGCCCCCTATG-3', wherein a ribonucleic acid (RNA) alkali base exists in a square frame. Through sequence comparison of a large number of phytoplasmas and bacteria ITS, a set of real-time fluorescence PCR cycling probe and primer is designed, wherein the sensitivity is up to 0.5pgl-1; and the pear decline phytoplasma can be rapidly and correctly detected from a sample. The method has the advantages of simple operation, easy grasping and wide application to daily detection work of laboratories.

The invention discloses a primary air system pipeline device convenient to mount. The device comprises an exhaust assembly and an air inlet assembly; the exhaust assembly comprises an exhaust pipeline, a first-stage exhaust fan, a noise reduction air guide cylinder A and an exhaust rough obstruction net; the air inlet assembly comprises an air inlet pipeline, a first-stage exhaust fan, a noise reduction air guide cylinder B and an air inlet fine obstruction net; according to the beneficial effects, a passing opening is formed in the building wall, the first-stage exhaust fan, the noise reduction air guide cylinder A and the exhaust rough obstruction net are assembled to the exhaust pipeline, the first-stage exhaust fan, the noise reduction air guide cylinder B and the air inlet fine obstruction net are assembled to the air inlet pipeline, the exhaust pipeline is inserted into the building wall passing opening, the air inlet pipeline is inserted into the building wall passing opening, the device is rapid and convenient to mount, the noise reduction air guide cylinder A and the noise reduction air guide cylinder B have a certain rain sheltering effect, the noise reduction effect andthe air guide effect, flying birds can be effectively prevented from inhabiting, objects like fallen leaves outside the building wall can be effectively obstructed from floating in, and the device ishigh in practicability and good in use effect.