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81results about How to "Avoid or minimize losses" patented technology

Composite rubber material

The invention relates to a bonding rubber material, especially provides a binder or a thermosetting molding rubber cement for bonding and reinforcement of door cores of a fireproof door an antitheft door and bonding and production of building and decoration materials, and aims to provide a composite rubber material, with low cost, good bonding strength and rapid surface dry, which can be cured at room temperature. The composite rubber material is characterized in that the composite rubber material is composed of a water-based A material and a polyurethane prepolymer-containing B material, the ratio (weight ratio) of the A material to the B material is 0.5-1:0.5-1, the A material comprises 30-70% of water and / or water glass and / or silica sol, 19.5-48% of organic modifiers, and 12-55% of additives, the B material comprises polyurethane prepolymers with a content of being more than 30%, 8-24% of -NCO group, and 0-30% of synergists, The synergists are one or combination of more than one selected from a polymerization inhibitor, a blocking agent, a water glass curing agent and a diluting agent. The composite rubber material is advantaged by good bonding strength, flame retardance, thermal insulation, low price and environmental protection.
Owner:CHONGQING LIERDA SCI & TECH DEV +1

Highway real-time operation risk calculation method

The invention relates to a highway real-time operation risk calculation method. According to the highway real-time operation risk calculation method, a multi-factor-integrated entropy model is adoptedto analyze and calculate the real-time operation of the traffic flow and environment of highways. In accordance with the entropy model, collected data are pre-processed on the basis of real-time traffic flow data and real-time environmental change data acquisition; and on the basis of the real-time operation conditions of the highways, correlation analysis, a random forest model, normalization processing, and the like are adopted with traffic flow risk factors and external environmental factors integrated so as to establish a risk entropy model that can analyze the real-time operation conditions of the highways. With the highway real-time operation risk calculation method of the invention adopted, risk identification, evaluation and analysis can be performed on the real-time operation risks of the highways; reference can be provided for the real-time risk management of the highways; and administration staff can conduct risk disposal and prevention so as to avoid or reduce economic andproperty losses caused by high-risk situations.
Owner:CCCC FIRST HIGHWAY CONSULTANTS

Graphene-ion exchange polymer electric actuator as well as manufacturing method and application thereof

The invention discloses a graphene-ion exchange polymer electric actuator, wherein a perfluor ion exchange polymer is taken as a body film, conductive graphene films are fixed at two sides of the perfluor ion exchange polymer to serve as electrodes, and thus, an external electric signal input system is formed. The electric actuator has larger force / displacement output, has the mechanical output performance basically unattenuated under long-time work, and can work continuously under an air atmosphere for a long time without water supplement, therefore, the electric actuator can serve as a flexible electric actuator to drive miniature robots in intestinal tracts and blood vessels, wall-climbing robots, underwater robots, heart valve prosthesis, artificial skin, prosthetic vessels and the like.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Intelligent fire hazard monitoring and control system

InactiveCN105678941ATimely and effective remedyTimely and effective control measuresFire rescueFire alarmsGas detectorVoice communication
The invention discloses a fire intelligent monitoring and control system, comprising: monitoring equipment, main control equipment, execution equipment and a host computer, the monitoring equipment communicates with the main control equipment, and the main control equipment communicates with the execution equipment and the upper computer respectively; the monitoring equipment includes: : A combination of one or more of smoke detectors, flame detectors, temperature detectors, camera devices and gas detectors; the main control device includes: main control unit, first voice communication module, fire extinguishing device drive module and a circuit breaker drive module; the execution equipment includes a fire extinguisher and a circuit breaker, the circuit breaker communicates wirelessly with the circuit breaker drive module, and the fire extinguisher communicates wirelessly with the drive module of the fire extinguisher; the upper computer includes a host computer, a display, a keyboard, a mouse and an alarm module. It solves the problem of psychological panic caused by the usual alarm sound of the current fire monitoring system, and at the same time, it can timely and effectively control the fire in the monitoring area to avoid or reduce the losses caused by the fire.
Owner:梁清泉

Risk-based tunnel supporting structure design method

The invention relates to a risk-based tunnel supporting structure design method, comprising three links: determining the initial design scheme of a tunnel supporting structure, evaluating the risk of each supporting scheme, and making decision and analyzing the supporting schemes. In the method, a probability method and a risk analysis model are applied to carry out quantitative description to physical mechanics indexes of a surrounding rock and the uncertainty in geological exploration; the initial design scheme for supporting is given according to the level of the surrounding rock; space effect of tunnel excavation is considered and a convergence-confinement method is improved through the hardening process for pneumatically placed concrete supporting, the calculation procedures of the improved convergence-confinement method are used for analyzing the determined supporting design scheme, and the failure probability of the supporting and the surrounding rock is given under different construction parameters; and then the risk evaluation is carried out to the supporting design scheme, accident risk acceptance criteria is determined, and proper supporting design scheme is determined by a decision maker. In the method, the risk ideal is led in engineering practice for processing various uncertain problems in the tunnel structure design, so as to be beneficial to carrying out quantitative analysis and evaluation to the effect of the uncertain factors in the tunnel supporting structure design and ensure the safety and the investment control of the tunnel forcefully and comprehensively.
Owner:TONGJI UNIV

Processing method of sweet potato sheet jelly

A processing method of sweet potato sheet jelly, comprising the following steps of cleaning raw material sweet potatoes by water, and then continuously conveying the sweet potatoes to a crusher for crushing into sweet potato slurry with the particle size smaller than 3mm, weighing the sweet potato slurry, sweet potato graham flour or / and sweet potato starch in a weight ratio of the sweet potato slurry, the sweet potato graham flour or / and the sweet potato starch, which is 1: 0-100, adding water, mixing uniformly to prepare mixed slurry, wherein the water is added so that the water content in the mixed slurry is 48-65% by weight percentage, sending the mixed slurry to a spiral extrusion molding machine for curing and molding to form the sheet jelly, conveying the sheet jelly by a continuous conveyer, automatically cutting the sheet jelly according to a fixed length, and packing through an automatic packing machine or a vacuum packing machine so as to prepare the sheet jelly product. The invention uses mechanical continuous production and has a simple processing technology. The prepared sweet potato sheet jelly product maintains the nutrient components in the sweet potatoes and the active components capable of improving human immunity, and is excellent green health food.
Owner:SICHUAN GUANGYOU SWEET POTATO & FOOD PROD CO LTD

Method for realizing early warning and positioning of malfunctions for power cable network

The invention discloses a method for realizing early warning and positioning of malfunctions for a power cable network, which comprises the following steps of: starting an optical time-domain reflectometer (OTDR) by a manual or an automatic way to test an appointed fiber to acquire optical cable test data, wherein connecting lines of all sampling points form an OTDR curve of a fiber chain; forming an upward step index reflective event by reflection of light caused by an optical connector, fractures and ending points; forming a downward step index non-reflective event by bending and splicing the optical fiber which increases the attenuation of the optical fiber; finding the step index points of the curve through data analysis and determining the optical fiber event points such as optical fiber head end, tail end, optical fiber connector and splicing points and the like; determining the operation state of the optical fiber through comparison with reference data and the change of attenuation data; and sending the early warning information when the data change exceeds the early warning threshold. The invention can be used for emergency early warning and positioning when the optical fiber network degrades and is in emergent cases so that the anti-damage capacity of the communication network is strengthened and the occurrence of optical fiber blockage is reduced to a great extend.
Owner:STATE GRID ELECTRIC POWER RES INST

Lightning stroke detection and warning system

This invention relates to lightning strike monitor alarm system, which comprises strike signal collector, remote alarm controller and central receiving controller, wherein, the said collector can detect strike times of movable communication without human on spot, lightning current range of each lightning, time of strikes, power arrester working status. The remote alarm controller gets these information through connection circuit to get these information for process and send out warns to express the strikes to display on LCD and send the communication types through long line or telephone line or GMS to the central receiver machine of the local place. The central receiver sends warnings and displays on LCD to inform relative human for quickly process.
Owner:四川中光信息防护工程有限责任公司

Feedback type oscillating jet stream refrigerating machine

The invention provides a reaction-type oscillation jet flow refrigerating machine and belongs to the gas pressure energy expansion refrigeration field. The whole machine of the invention is totally static, and adopts the combined structure of a reaction-type oscillation fluidic generator and an adopter, the actuation to the jet flow is realized by the compression wave reaction in order to generate the oscillatory wall-attachment jet, unsteady gas expansion refrigeration is realized by the cooperating work of a flow channel component, a regulating mechanism is coupled in a compression wave reaction channel, the switching frequency of the jet wall-attachment oscillation is changed via regulating gas capacity to adapt to different operating conditions, thereby obtaining the highest operating efficiency. The invention has no moving member or dynamic sealing, thereby being particularly suitable for high pressure situations, such as high pressure natural gas deep freezing dehydration, recovering heavy component from high pressure gas mixture and so on. The variable gas capacity frequency modulation self-oscillation jet flow refrigerating machine with higher refrigerating efficiency and lower refrigerating temperature than that of throttling decompression can run with liquid, thereby providing an efficient method and a device for efficient utilization of pressure energy in the combination gas stratum.
Owner:DALIAN UNIV OF TECH

User data backup method and device

The invention discloses a user data backup method and a user data backup device. The user data backup method comprises the following steps of: monitoring resource temporary files generated in a local system; uploading the resource temporary files to storage equipment on a network side; and providing downloading of the uploaded resource temporary files for the local system according to an access requirement of the local system. The temporary files generated in the local system are automatically backed up to the storage equipment on the network side, so that a user easily restores the data after an abnormal condition happens so as to avoid or reduce loss.
Owner:QIZHI SOFTWARE (BEIJING) CO LTD

Bearing early fault diagnosis method for multiple noise reduction processing

The invention discloses a bearing early fault diagnosis method for multiple noise reduction processing. The method comprises the following steps: collecting a vibration signal of a bearing; carrying out short-time Fourier transform on the bearing vibration signal, and preliminarily judging whether the bearing has a fault or not; adopting wavelet packet transformation to decompose and reconstruct the bearing vibration signal, and carrying out preliminary denoising; decomposing, screening and reconstructing the wavelet packet reconstruction signal by using an ensemble empirical mode decomposition method; eliminating aliasing interference signals contained in the reconstructed signals, and performing multi-layer noise reduction on the bearing vibration signal; carrying out demodulation processing on the reconstructed signal after noise reduction, and extracting a bearing fault frequency; and comparing with a theoretically calculated fault frequency, and diagnosing to obtain a fault conclusion of the bearing. According to the method, a fault analysis mode combining wavelet packet transformation, an ensemble empirical mode decomposition method and autocorrelation calculation denoising is adopted, weak fault features are highlighted, bearing abnormity can be diagnosed and recognized as early as possible in the early fault stage of the bearing, and losses caused by equipment faults are avoided or reduced.
Owner:CHINA THREE GORGES UNIV

Gas leakage automatic breaking and alarming device

This invention discloses one gas leakage automatic switch and alarming device, which comprises gas sensor, computation amplifier, impulse trigger circuit, gas automatic switch value, sound and light alarm circuit and signal emission circuit, wherein, when the gas leakage amounts to certain degree, the gas sensor triggers the amplifier to generate control trigger signals to start the impulse circuit by one branch and other branch starts the alarm trigger circuit; the impulse trigger circuit controls the automatic switch valve to close the gas in certain degrees; alarm trigger circuit starts the alarm circuit and signals circuit.
Owner:陈为增 +1

Method and system for professionally monitoring and warning weather for wind farms on basis of GIS (geographic information system) of power grid

The invention discloses a method and a system for professionally monitoring and warning weather for wind farms on the basis of a GIS (geographic information system) of a power grid. The method includes positioning coordinates of weather monitoring stations in a GIS platform of the power grid, transforming the coordinates to display weather monitoring and warning positioning information of the weather monitoring stations in GIS maps of the power grid and creating weather monitoring and warning positioning information chart layers; creating power grid equipment chart layers of the wind farms; matching and correlating the weather monitoring and warning positioning information chart layers with the power grid equipment chart layers of the wind farms, displaying weather information for power grid equipment of the wind farms in real time and analyzing and displaying warning for weather disasters. The method and the system have the advantages that occurrence and development of disastrous weather such as typhoon, rainstorm and strong convection can be visually and comprehensively monitored in real time for the power grid equipment of the wind farms and the like, movement and evolution of systems of the weather can be tracked, and analysis bases can be provided for predicting and forecasting the disastrous weather.
Owner:EMERGENCY MANAGEMENT CENT OF STATE GRID SHANDONG ELECTRIC POWER

Attack detection model training method and attack detection method and system

The invention discloses an attack detection model training method and an attack detection method and system, and the method comprises the steps: obtaining feature information of network flow in a specified time period, wherein a part of the network flow in the specified time period is the flow detected as a DDoS attack and the feature information comprises a source IP address and a flow byte number, dividing the network flow in the specified time period by taking the set duration as a unit to obtain a detection sample set, wherein the detection sample set comprises a plurality of detection samples, one detection sample corresponds to the network flow in one set duration and one detection sample comprises feature information corresponding to the network flow in the set duration, and training a DDoS attack detection model by using at least part of the detection samples in the detection sample set, wherein the output information of the DDoS attack detection model is used for indicating whether the input network flow is the DDoS attack flow.
Owner:CHINA MOBILEHANGZHOUINFORMATION TECH CO LTD +1

Water quantity and water pressure control system

The invention discloses a system for remotely controlling water supply and water pressure of constructions. The system comprises a sensor or a plurality of sensors for detecting existence of water at positions not expected to have water, a water current and water pressure adjusting unit connected with a water supply inlet port of a construction and a system controller capable of providing wireless communication to a user by means of multiple external equipment. Compared with the prior art, the system has the advantages that conditions such as water leakage and the water pressure existing in a construction water supply system can be acquired in time by a construction owner to enable reasonable and effective precautions and remedial measures to be taken timely, so that losses caused by water damage can be avoided or reduced.
Owner:水控制和安全系统有限责任公司

Polystyrene antirust paint

The invention discloses a polystyrene antirust paint which is prepared from the following raw materials in parts by weight: 80-110 parts of polystyrene resin, 20-30 parts of diphenyl ether resin, 12-15 parts of hydroxyethyl cellulose, 10-14 parts of thiosinamine, 10-22 parts of epoxy phenolic resin, 6-8 parts of cobalt oxide, 5-9 parts of calcium oxide, 4-8 parts of hydrazine citrate and 6-10 parts of phenyltrimethoxysilane. The commercial test proves that the paint has the advantages of excellent water resistance, excellent oxygen resistance, favorable antirust effect, short drying time, lower requirements for materials and techniques and higher cost performance, can effectively avoid or reduce metal loss, and is beneficial to popularization.
Owner:WUJIANG LINSU PRECISION MACHINERY

Transmission system capable of achieving three variable transmission processes

ActiveCN108591411AAdapt to variable speed transmission needsMeet variable speed transmission needsFluid gearingsHydraulic pumpMechanical equipment
A transmission system capable of achieving three variable transmission processes comprises an input shaft, a sun gear shaft, an input gear, a linkage gear, an intermediate driving gear, a first clutch, a second clutch, a planetary mechanism, a hydraulic pump and a hydraulic motor. The input shaft and the sun gear shaft are arranged in parallel. The input gear is meshed with the linkage gear. The input end of the first clutch is in transmission connection with the input shaft. The driven end of the first clutch is fixedly connected with the input gear. The input end of the second clutch is in transmission connection with the sun gear shaft, and the driven end of the second clutch is fixedly connected with the linkage gear. A sun gear in the planetary mechanism is fixedly connected with thesun gear shaft. A tooth ring is fixedly connected with the intermediate driving gear. A planet carrier is fixedly connected with the linkage gear. A rotor of the hydraulic pump is fixedly connected with the input shaft. A rotor of the hydraulic motor is fixedly connected with the sun gear shaft. The hydraulic pump and the hydraulic motor are connected into an oil supply loop in series. The transmission system capable of achieving the three variable transmission processes enables the variable-speed transmission process to both have the features of mechanical transmission and hydraulic transmission, and therefore the transmission system capable of achieving the three variable-speed transmission processes can meet the variable transmission needs of different types of mechanical equipment.
Owner:HEFEI UNIV OF TECH +1

Artificial intelligent remote automatic control processing system for air detection

The invention relates to the technical field of air detection, and discloses an artificial intelligent remote automatic control processing system for air detection. The artificial intelligent remote automatic control processing system comprises an indoor air detection module and a central control system, wherein the indoor air detection module is used for detecting the quality of indoor air and transmitting data to the central control system; and the central control system is used for receiving a data signal for data processing, and sending control instructions to a living room / bedroom air exhaust module, a bathroom air exhaust module, a kitchen air exhaust module, an air purification, humidification and dehumidification module, a gas valve control module, a window temperature adjusting module, a fire hydrant valve control module, a window ventilation module, a control way switching module, an emergency lighting switch and a wireless data transmission module when the air pollutant index exceeds the limit. When the air detection system is designed, various indexes of the indoor air can be monitored in real time, after the indoor air index exceeds the limits, the corresponding measures are implemented, such as ventilation, water spray suppression, lighting and alarming, the intelligent degree is high, and the personal and property safety of a user is effectively guaranteed.
Owner:黑龙江全河科技有限公司

Flower and tea food as well as making method and application thereof

The invention belongs to the field of food processing, and particularly discloses a flower and tea food as well as a making method and application thereof. The food is made from main raw materials offresh plant flowers and newly-picked fresh tender tea leaves, and is made through the following steps of performing mixing, performing soaking, performing distillation, collecting distillate, and performing clathration through beta-cyclodextrin so as to obtain a solution; then performing natural fermentation on distilled raw material residues and remaining fluid under natural conditions, performing pressure filtration, performing centrifugal separation, performing filtration, and performing concentration so as to obtain concentrate; and combining the concentrate with the cyclodextrin clathration solution, and performing homogenizing so as to obtain the product namely the flower and tea food, wherein the weight percentage of the plant flowers in the raw material components is 20-50%, and the weight percentage of tea in the raw material components is 50-80%. The flower and tea food disclosed by the invention has the technological characteristics that the dissolution rate of the raw materials is high, the conversion rate is high, few losses are generated, the application effect of products is strengthened, the mouth feel is improved, the quality of the products is improved, and a newraw material product is provided for the processing industry of food products, seasoning products, beverages, wine processed products, cosmetics and the like.
Owner:徐州绿之野生物食品有限公司

Flower black tea food and processing method thereof and application thereof

InactiveCN107822127ARegulate or increase nutritional structureImprove stylingCosmetic preparationsToilet preparationsBlack teaFood flavor
The present invention specifically discloses flower black tea food and a processing method thereof and an application thereof. The flower black tea food is prepared from plant flowers and black tea asraw materials, and the raw materials are in the following weight percentages: 10-50% of plant flowers and 50-90% of black tea. The method is as follows: firstly the raw materials are picked, the picked raw materials are soaked, the soaked raw materials are crushed, the crushed raw materials are distilled, the distilled raw materials are wrapped to obtain a solution, then the distilled remaining residues and remaining liquid are subjected to a natural fermentation, juice extracting, centrifugal separating, filtering and concentrating are conducted to obtain a concentrated solution, then the distill wrapped solution is blended with the concentrated solution evenly, and filling, sterilizing and cooling are conducted to prepare products. A technology makes full use of the raw materials, and the flower black tea food is applied to food, cakes, seasoning products, soft drinks, wine products, and nutritional supplement products, can well reflect taste and flavor of the flowers and black tea,forms a unique style, increases a variety of flavors and raw material choices of the flavored products, and has relatively good applications, benefits and prospects.
Owner:徐州绿之野生物食品有限公司

Automobile remote anti-theft system

InactiveCN104176004AAvoid driving awayEffective anti-theft measuresAnti-theft devicesControl circuitCommunication circuits
The invention discloses an automobile remote anti-theft system. The automobile remote anti-theft system comprises a CPU, an infrared sensor circuit, a sound-light alarm circuit, a vibrating sensor circuit, a communication circuit, a camera and a driving circuit, wherein the infrared sensor circuit, the sound-light alarm circuit, the vibrating sensor circuit, the communication circuit, the camera and the driving circuit are connected with the CPU respectively; a power supply component is arranged on the CPU, and supplies working voltage for the CPU through dry cells which are connected in series; the communication circuit is in wireless connection with a remote controller; the driving circuit is connected with a controlling circuit; an infrared sensor in the infrared sensor circuit is a pyroelectric infrared sensor; a vibrating sensor in the vibrating sensor circuit is a piezoelectric sensor. The automobile remote anti-theft system is low in false alarm rate, can effectively reduce false alarm, is provided with a remote alarm function, and takes effective anti-theft measures in remote; image information of a criminal suspect can be shot by the camera; convenience is provided for recovering an automobile quickly.
Owner:CHENGDU XINXIN INFORMATION TECH

Flower green tea food and processing method and application thereof

InactiveCN107593994ARegulate or increase nutritional structureImprove stylingTea extractionModified nutritive productsNutrition supplementationFood flavor
The present invention specifically discloses a flower green tea food, and a processing method and an application thereof. The flower green tea food is prepared from plant flowers and green tea as rawmaterials, wherein each of the raw material components is in the following weight percentages: 10-50% of plant flowers and 50-90% of green tea. The method comprises the following steps: firstly raw material picking, soaking and crushing, distilling and wrapping are conducted to prepare a solution, then the distilled remaining residues and remaining solution are subjected to a natural fermentation,squeezing, centrifuging and separating, filtering and concentrating are conducted to prepare a concentrated solution, then the distilled and wrapped solution and concentrated solution are blended evenly, and filling, sterilizing and cooling are conducted to prepare a product. The technology utilizes the raw materials in full effects and the flower green tea food has applications in food, cakes, seasoning products, soft drinks, alcoholic products and nutritional supplement products, can well reflect mouthfeel and flavor of the flowers and green tea, forms a unique style, and increases raw material choices for a variety of flavors and style products. The product has relatively good application and benefit prospects.
Owner:徐州绿之野生物食品有限公司

Silo dumping system and silo dumping method

The invention discloses a silo dumping system and a silo dumping method. The silo dumping system comprises a material conveying device (10), a temperature detecting device (20) and a control device (30); the material conveying device (10) is used for conveying materials in a silo to a silo dumping area positioned outside the silo; the temperature detecting device (20) is used for detecting the temperature in the silo; and the control device (30) is electrically connected with the temperature detecting device (20) and the material conveying device (10) and is used for controlling the material conveying device (10) to convey the materials in the silo to the silo dumping area when the temperature and / or heating rate in the silo is higher than a set value. Through the technical scheme provided by the invention, when the temperature of the temperature and / or heating rate in the silo is higher than the set value, the materials in the silo can be conveyed to the silo dumping area for cooling, and the materials are subjected to temperature drop through water injection, so that autoigniting or the loss of the materials is avoided or material loss due to autoigniting is reduced.
Owner:CHINA SHENHUA ENERGY CO LTD +3

Energy-saving and efficient intelligent logistics conveying system

The invention discloses an energy-saving and efficient intelligent logistics conveying system. The system comprises a material weighing unit, a number management unit, a programmable manager, a processing station operation unit, a conveying unit, a fault detection unit, a cloud calculation platform, a hardware server and terminal platform software. The output end of the material weighing unit is connected with the input end of the number management unit, and the output end of the number management unit is connected with the input end of the programmable manager. The invention discloses an energy-saving and efficient intelligent logistics conveying system. Basic information of different materials is collected through the material weighing unit and the number management unit; real-time tracking of cloud calculation can be realized according to information of different materials; according to the logistics transportation system, the practicability of the logistics transportation system isimproved, improvement of the packaging accuracy is facilitated, the conveying unit can further conduct analog comparison on various different data effects to eliminate whether the data effects are correct or not, classification of materials under various different data conditions is facilitated, and the classification accuracy is improved.
Owner:广东洪裕智能制造研究院有限公司

Method for preparing magnetic nano amino compound, and nucleic acid extraction method

The invention discloses a method for preparing a magnetic nano amino compound, and a nucleic acid extraction method. The method comprises the following steps: step 1, purifying diatomite for later use; after cleaning, putting the diatomite into a flask, and adding deionized water; standing after stirring, carrying out sample separation and centrifugation on a supernatant, collecting precipitates,and repeating the steps by using ethanol instead of deionized water so as to further remove ions and protein impurities; and finally, drying the purified diatomite in a drying box, and storing in a reagent bottle for use; step 2, carrying out diatomite magnetization treatment; drying magnetic diatomite DE@Fe3O4 in a drying box; step 3, loading APTES on the magnetic diatomite, firstly dropwise adding the APTES into an ethanol solution, and stirring by using a magnetic stirrer; then, adding the magnetic diatomite into an obtained solution, and collecting DE@Fe3O4@APTES by using a magnet; then respectively washing with ethanol and deionized water; and finally, drying the DE @Fe3O4 @APTES in a drying oven, and storing the DE @Fe3O4 @APTES in a reagent bottle for use.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Pig sperm diluting solution and production method thereof

InactiveCN107637589APromote decompositionSolve the problem of poor water solubility of volatile substancesDead animal preservationPig reproductionSemen
The invention belongs to the technical field of pig reproduction and in particular relates to a pig sperm diluting solution and a production method thereof. The pig sperm diluting solution is characterized that each liter volume of the pig sperm diluting solution is prepared from 28.5g to 31.5g of monomolecular crystal water glucose, 0.38g to 1.29g of monomolecular crystal water citric acid, 4.93gto 6.47g of dimolecular crystal water disodium hydrogen phosphate, 30ml to 45ml of a traditional Chinese medicine extracting solution and the balance of injection water which is added until the volume is 1000ml. According to the pig sperm diluting solution disclosed by the invention, herba taraxaci, herba houttuyniae and herba patriniae are compounded and are distilled and extracted for the firsttime to prepare a distilled extracting solution for the pig sperm diluting solution; the effects of killing bacteria and fungi and resisting viruses can be effectively realized, and the risk of causing infection by artificial insemination can be effectively avoided or reduced; guarantees can be provided for healthy fertilization of brood sows. The product has a very good utilization effect.
Owner:GUANGDONG ZHONGNONGLIAN BIOLOGICAL PHARMCO

Prestressed tension limiting plate

The invention discloses a prestressed tension limiting plate. The prestressed tension limiting plate is disposed between an anchorage device and a jack and comprises a limiting plate body, a detachable spring, a movable top plate and a buckle ring which are arranged inside the limiting plate body. The shape of the limiting plate body is a hollow cylinder with one end open, the top end of the limiting plate body is an open end, the open end is in contact with the anchorage device, and the bottom end of the limiting plate body is in contact with the jack. A step groove is formed in the open endof the limiting plate body, an annular limiting groove is formed in the lower portion of the step groove, and the buckle ring is disposed in the limiting groove. One end of the spring is in contact connection to the bottom end of the limiting plate body, and the other end of the spring is in contact connection with the movable top plate. The movable top plate moves up and down on the inner wall ofthe limiting plate body and is limited by the buckle ring at the top end. A plurality of circular holes are formed in the limiting plate body and the movable top plate. The prestressed tension limiting plate can reduce the loss of the tension prestress, reduce the damage to an anchor cable, and save the cost.
Owner:CHINA FIRST METALLURGICAL GROUP

Cooperative-dosage-form pig semen diluent

The invention discloses a cooperative-dosage-form pig semen diluent. The pig semen diluent is characterized in that an individual package of 1,000-ml liquid A and an individual package of 50-ml liquidB combine with each other to form a cooperative package A and a cooperative package B, and during use, the liquid B is temporarily added into the liquid A and evenly stirred to prepare the diluent; the 1,000-ml liquid A in the individual package is prepared from 28.5-31.5 g of mono-molecular crystal water glucose, 0.38-1.29 g of mono-molecular crystal water citric acid, 4.93-6.47 g of bi-molecular crystal water disodium hydrogen phosphate and the balance water for injection; the 50-ml liquid B in the individual package is prepared by carrying out wetting, distilling and sterilization on violaphilippica, flos chrysanthemi indici, houttuynia cordata and coarse dandelion powder. By adopting the individual package of the liquid A and the individual package of the liquid B for making the matched cooperative packages, the cooperative-dosage-form pig semen diluent is prepared; therefore, when the product is about to be used, the package of the liquid B is opened, and then the liquid B is injected into the package of the liquid A, after evenly shaking, the pig semen diluent which has stable sterilization and anti-virus functions is formed and has the advantage that the better stability of the diluent can be maintained during the storage and transportation periods.
Owner:GUANGDONG ZHONGNONGLIAN BIOLOGICAL PHARMCO
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