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41results about How to "Slow recovery" patented technology

Method for maintaining consistency and performing recovery in a replicated data storage system

A recovery process allows a recovering replica in a replicated data storage system to recover from a current replica the changes to the data that it has missed during a failure while, at the same time, the system is processing new requests issued by the source. Sequence numbers, assigned by the source to write requests and stored by each replica in association with the data item that the write request modifies, are used by the recovery process to determine when a replica has missed one or more write requests and requires recovery. During recovery, the recovering replica ignores all requests directly received from the source, and replaces the contents of a data item with the data received from the current replica only if the newly received data item has a higher sequence number than the corresponding sequence number of the data item already stored in the recovering replica. It also updates data items in response to new write requests that are forwarded to it by the current replica. At the same time, the current replica continues to receive requests from the source, performs those requests, and forwards those write requests to the recovering replica. It also scans its data items and sends to the recovering replica those data items and associated sequence numbers that have a sequence number higher than the sequence number of the last consecutive write request sent by the source that the recovering replica received before missing a write request.
Owner:ALCATEL LUCENT SAS

Vision-based vehicle positioning method and parking lot management system applying same

ActiveCN112184818AReduce equipment costs and retrofit costsSlow recoveryImage enhancementImage analysisIn vehicleElectronic map
The invention relates to a vision-based vehicle positioning method and a parking lot management system applying the same, and belongs to the field of informatization. The method comprises the following steps: (1) position calibration: establishing a three-dimensional world coordinate system and a parking space plane electronic map of a parking lot, performing position calibration on a unique identifier in the parking lot, and storing a three-dimensional world coordinate and a two-dimensional image plane coordinate of each parking space number; (2) image acquisition: acquiring environment information around the vehicle body by using a vehicle-mounted camera; (3) serial number identification: analyzing and processing acquired images to complete parking space serial number identification; and(4) position calculation: reading corresponding two-dimensional image coordinates and three-dimensional world coordinates according to the identified garage number, and obtaining the position of thecamera by utilizing an algorithm used by the camera so as to realize positioning. According to the invention, parking space management and empty parking space searching functions can be realized, andthe problem of slow recovery of vehicle ex-garage satellite signals is solved. The parking and vehicle taking experience of users can be better improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Graphene-silver antibacterial and antifouling fluorocarbon coating, and preparation method and application thereof

PendingCN108948832AStable antibacterial and antifouling propertiesSlow recoveryAntifouling/underwater paintsPaints with biocidesSurface energyFluorocarbon Resins
The invention belongs to the technical field of coatings, and specifically relates to a graphene-silver antibacterial and antifouling fluorocarbon coating, and a preparation method and an applicationthereof. The graphene-silver antibacterial and antifouling fluorocarbon coating comprises a component A and a component B, wherein the component A comprises the following components: fluorocarbon resin, a wetting dispersant, a leveling agent, an antifoaming agent, a thixotropic agent, a graphene-silver composite nanometer material, titanium dioxide, precipitated barium sulfate, quartz powder, butyl acetate and propylene glycol methyl ether acetate; and the component B comprises an isocyanate curing agent. According to the invention, due to introduction of the graphene-silver composite nanometer material, a paint film has good adhesion force, impact resistance, hydrophobicity, stable broad-spectrum antibacterial property and antifouling property; in addition, through selection of the fluorocarbon resin with a fluorine content of no less than 26%, glossiness, aging resistance and mechanical properties of the paint film are improved; meanwhile, low surface energy of the paint film is guaranteed; and the paint film prepared from the coating provided by the invention has strong hydrophobicity.
Owner:洛阳双瑞防腐工程技术有限公司

Active and passive combined lower limb rehabilitation training device

The present invention discloses an active and passive combined lower limb rehabilitation training device, and relates to the technical field of rehabilitation training devices. The active and passivecombined lower limb rehabilitation training device comprises a base seat, a bed body horizontal lifting structure fixedly arranged on a top part of the base seat and provided with a bed body supporting frame, a bed body hingedly connected with one end of the bed body supporting frame, a lower limb training mechanism fixedly connected with the bed body and a bed body turning mechanism with one endhingedly connected with the bed body horizontal lifting structure and the other end connected with the bed body. The lower limb training mechanism comprises a driving device fixedly connected to a front side and a rear side of a lower surface of the bed body, a double-leg width adjusting device fixedly connected to an upper surface of the bed body and leg bending and stretching mechanisms, and oneends of the leg bending and stretching mechanisms are connected with the double-leg width adjusting device, and the other ends of the leg bending and stretching mechanisms are hinged to the driving device. The active and passive combined lower limb rehabilitation training device is simple, facilitates active and passive training of a patient, is also easy and convenient to adjust, enlarges adjustment angles of the body of the patient, is convenient for the patient to find a most comfortable rehabilitation training posture, and enables the gravity center of the patient to be stable.
Owner:YANSHAN UNIV

Joint fluid drainage irrigator

The invention discloses a joint fluid drainage irrigator which comprises an irrigation channel and a puncture needle rod inserted in the irrigation channel. An irrigation handle is arranged at the rear end of the irrigation channel; a suction valve is arranged between the irrigation handle and the irrigation channel; and a drainage handle matched with the irrigation handle is arranged at the rear end of the puncture needle rod. The joint fluid drainage irrigator has a novel structure, is convenient to operate and can completely clean the joint fluid in a joint cavity, thereby effectively removing the diseases.
Owner:GUANGZHOU INFUMEDI MEDICAL TECH CO LTD

Shock-resistance new energy electric car charging pile

The invention discloses a shock-resistance new energy electric car charging pile. The shock-resistance new energy electric car charging pile comprises a shell body and a core structural element; a second oil cylinder is fixedly connected to the middle of the inner surface wall of the bottom of the shell body through a bolt, the portion, away from the second oil cylinder, of one side of a first piston penetrates through the shell body through a first piston rod and extends to the outer portion to be connected with a buffer plate part, the first piston rod pushes the first piston to move, the oil pressure is increased, along with gradual increasing of the oil pressure, a second piston pushes a second piston rod and the core structural element to ascend, at the same time, a damping spring isstressed and compressed, impact energy is absorbed and offset, the protection effect is further achieved, through the structure, when the impact force is quite large, the core structural element ascends and is away from the collision point, the inner structure of the element is effectively protected, structure damage is avoided, recycling is achieved, the sustainable development concept can be met, and the resource waste can be avoided.
Owner:保定市北昊新能源科技有限公司

Bone-setting powder

The present invention relates to a Chinese medicine Jiegusan powder for external application for curing traumatic injury and fracture. It is made up by using 10 Chinese medicinal materials of saffron, peach kernel, pyrite, Chinese angelica root, frankincense and others through a certain preparation process. Besides, said invention also provides its application method.
Owner:王赛

Electric permanent magnetic chuck controller installed in high-speed sports place

The invention discloses an electric permanent magnetic chuck controller installed in a high-speed sports place, and relates to the technical field of electro-permanent magnets. The electric permanent magnetic chuck controller installed in the high-speed movement place comprises a controller, a protective shell is movably installed in the outer side of the controller, an opening is formed in the center of the bottom of the protective shell, a buffer mechanism is arranged on the inner side of the protective shell, and a speed reducing mechanism is arranged in the center of the back face of the protective shell. The buffer mechanism comprises a fixed plate, an elastic plate and a buffer piece, the fixed plate is fixedly installed in the inner side of the protective shell, the elastic plate is fixedly installed at the side, close to the center of the inner side of the protective shell, of the fixed plate, and the elastic plate is movably connected with the controller in a lap joint mode. According to the electric permanent magnetic chuck controller installed in the high-speed movement place, the buffer mechanism and the speed reducing mechanism are arranged, when the controller collides with a firm object, the controller rapidly stops moving in the inner side of the protection cover, energy generated by collision is rapidly dissipated, and it is guaranteed that the controller is not damaged.
Owner:南通茂业电子科技有限公司

Pocketed Spring Assembly Having Multi-Layered Impermeable Fabric

A pocketed spring assembly comprises a plurality of parallel strings of individually pocketed springs. Each string is joined to at least one adjacent string. Each string has first and second opposed plies of fabric and a plurality of pockets formed along a length of the string by transverse segmented seams joining the plies. Gaps between the segments of the seams allow air to pass into and out of the pockets despite the fabric being impermeable to airflow through the fabric. The fabric has at least four layers. The size of the gaps determines the firmness or “feel” of the pocketed spring assembly or portion thereof.
Owner:L & P PROPERTY MANAGEMENT CO

Preparation method of durable type antirust emulsified oil

The invention relates to the technical field of preparation of metal protection products and in particular relates to a preparation method of durable type antirust emulsified oil. The preparation method comprises the following steps: mixing self-made reddish brown liquid, urotropin, self-made shinyleaf yellowhorn seed kernel oil and sodium carboxymethyl cellulose and carrying out high-speed dispersion and emulsification to obtain the antirust emulsified oil. The antirust emulsified oil provided by the invention takes the shinyleaf yellowhorn seed kernel oil as an oil phase; the content of unsaturated fatty acid in the shinyleaf yellowhorn seed kernel oil is relatively high; after the surface of metal is coated with the antirust emulsified oil, the separation and absorption capability on oxygen in the air is strong; metal ions can be used for slowly reducing the oxidized unsaturated fatty acid to form a positive cycle, and the antirust emulsified oil keeps relatively strong reduction performance all the time, so that the antirust period of the antirust emulsified oil is prolonged; a matrix corrosion inhibitor doped into the antirust emulsified oil is Mannich base; when the matrix corrosion inhibitor is in contact with the surface of the metal, the matrix corrosion inhibitor has a physical adsorption effect with the metal to form an adsorption layer and rusting reaction is difficult to carry out, so that the antirust performance of the antirust emulsified oil is improved.
Owner:谢新昇

Preparation method of oily antirust demolding agent

The invention relates to the technical field of preparation of demolding agent compositions, in particular to a preparation method of an oily antirust demolding agent. The preparation method comprisesthe following steps of using ginkgo kernels as the raw material, and pulping, so as to obtain a kernel pulp; adding a sodium chloride solution, cellulase and water into the kernel pulp, so as to obtain a kernel extracting solution; treating by ultrasonic waves, centrifuging and separating, so as to obtain ginkgo oil; adding a mixed solution of formaldehyde and acetophenone into a reflux solution,so as to obtain a corrosion inhibitor of a main body; mixing the corrosion inhibitor of the main body with benzyl chloride, so as to obtain a film forming antirust agent; mixing the film forming antirust agent, methenamine, gingko oil, and the like, and dispersing and emulsifying at high speed, so as to obtain the oily antirust demolding agent. The oily antirust demolding agent has the advantagesthat after the oily antirust demolding agent is covered on the surface of metal, the ability of blocking and absorbing oxygen in air is high; the gingko oil can be chelated with one part of oxidizedmetal, so that the adhesion force of the oily antirust demolding agent to the metal is increased; after mannich base is quaternized, and is in contact with the surface of the metal, the active energyin corrosion and rusting reaction is increased, and the application prospect is broad.
Owner:朱东洋

Method for discriminating hydrophobic migration characteristics of silicone rubber based on different salt components

ActiveCN108760579ATest results closelyClose resultsSurface/boundary effectLaboratory Test ResultSilicone rubber
The invention provides a method for discriminating hydrophobic migration characteristics of silicone rubber based on different salt components. The method comprises the following steps: respectively preparing soiling solutions with the salt components of NaCl, CaCl2 and (NH4)2SO4 and an ash component of diatomite; testing the hydrophobicity of samples treated by the soiling solutions with different salt components at different migration times, wherein the testing time is 24h, 48h, 96h and 144h after migration respectively; determining a saturation value of a hydrophobic migration angle, calculating indexes of the hydrophobic migration characteristics according to hydrophobic migration testing results, and discriminating the hydrophobic migration characteristics. By the method, the seven indexes of the hydrophobic migration characteristics are creativity used for comprehensively evaluating the characteristics of the silicone rubber; by the method, through a simulation test based on a variety of soiling solutions, the hydrophobic migration characteristics of the silicone rubber are comprehensively evaluated, so that laboratory test results are more closely related to field application.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Bone-setting powder

The present invention relates to a Chinese medicine Jiegusan powder for external application for curing traumatic injury and fracture. It is made up by using 10 Chinese medicinal materials of saffron, peach kernel, pyrite, Chinese angelica root, frankincense and others through a certain preparation process. Besides, said invention also provides its application method.
Owner:王赛

An electric permanent magnet chuck controller installed in a high-speed sports place

The invention discloses an electric permanent magnet sucker controller installed in a high-speed sports place, and relates to the technical field of electric permanent magnets. The electro-permanent magnetic chuck controller installed in a high-speed sports place includes a controller, a protective case is movably installed on the outside of the controller, an opening is opened in the bottom center of the protective case, and a buffer is provided on the inner side of the protective case. mechanism, the back center of the protective case is provided with a deceleration mechanism, the buffer mechanism includes a fixed plate, an elastic plate and a buffer piece, the fixed plate is fixedly installed on the inner side of the protective case, and the elastic plate is fixedly installed on the fixed plate close to the On one side of the inner center of the protective shell, the elastic plate is movably overlapped with the controller. The electric permanent magnet chuck controller installed in the high-speed sports place is equipped with a buffer mechanism and a deceleration mechanism. When the controller collides with a solid object, the controller will stop quickly inside the protective cover, so that the energy generated by the collision can be quickly dissipated. Ensure that the controller is not damaged.
Owner:南通茂业电子科技有限公司

Refrigeration house refrigerating system

The invention discloses a refrigeration house refrigerating system which comprises a first refrigerating circulating system and a second refrigerating circulating system, wherein the first refrigerating circulating system comprises a main refrigerating unit, an evaporative condenser and a main refrigerating unit heat exchanger; the second refrigerating circulating system comprises a cold accumulation water tank, a refrigerating pump, an adjusting station and heat exchangers between refrigeration houses; the cold accumulation water tank, the refrigerating pump, the adjusting station, the heat exchangers between refrigeration houses and connected pipelines are filled with intercooling liquid, wherein the intercooling liquid is potassium formate-pentaerythritol-water dispersible polyisocyanates-water system secondary refrigerant; and the main refrigerating unit heat exchanger of the first refrigerating circulating system is completely immersed in the intercooling liquid in the cold accumulation water tank of the second refrigerating circulating system.
Owner:北京中冷高科制冷设备有限公司

Urban sewer pipeline anti-corrosion process method

The invention discloses an urban sewer pipeline anti-corrosion process method. A liquid spraying device in the method comprises a bottom plate, supporting plates are arranged at the positions, close to the front side and the rear side, of the top of the bottom plate, two power rollers are arranged at the top of the bottom plate, and the distance between the two power rollers gradually increases towards the top, and a slicking and spraying device is connected to the tops of the two supporting plates in an inserted mode. Before a spray head sprays liquid, the inner wall of a sewer pipeline is scraped by a scraper, so that the anti-corrosion treatment effect is ensured; then, cleaned objects scraped by the scraper can be gathered on the surface of the scraper, a part of the cleaned objects can enter a bearing frame formed by sinking the middle of the scraper downwards, the height of the bottom of the inner side of the bearing frame gradually becomes smaller from the middle to the front side and the rear side, and therefore the cleaned objects falling into the bearing frame slide to leakage holes along the bottom of the inner side of the bearing frame; and the cleaned objects fall to the outer side of the sewer pipeline from the leakage holes, so that the cleaned objects fall quickly.
Owner:李占群

Anti-skid bottom plate for lifeboat

The invention discloses an anti-skid bottom plate for a lifeboat, and relates to the technical field of fire fighting equipment. The anti-skid bottom plate for the lifeboat comprises a fixed plate, a water outlet pipe is fixedly installed in the center of the bottom of the fixed plate, a movable mechanism is arranged at the upper end of the fixed plate, a flow guide mechanism is arranged at the top of the fixed plate, and the movable mechanism comprises a connecting sleeve, a movable plate, an elastic piece, an anti-skid strip and a strip-shaped opening. The connecting sleeve is fixedly installed at the position, away from the center, of the top of the fixed plate, the movable plate is fixedly installed at the top of the connecting sleeve, the movable plate is movably installed at the upper end of the fixed plate through the elastic piece, and the elastic piece is fixedly installed at the bottom of the movable plate. According to the anti-skid bottom plate for the lifeboat, the movable mechanism and the flow guide mechanism are arranged, accumulated water at the top of the movable plate is quickly guided to the lower end and discharged from the water outlet pipe, and the situation that the accumulated water stops at the top of the movable plate, the anti-skid degree of the movable plate is reduced, and potential safety hazards are generated in the using process is avoided.
Owner:李若熙

Gynecological comprehensive inspection tester

The invention discloses a gynecological comprehensive inspection tester, which comprises an equipment cabinet and a plurality of medical instruments installed in the equipment cabinet, probes of the medical instruments are located on one side of the equipment cabinet, a sickbed is arranged on one side of the equipment cabinet, a plurality of compression cylinders are arranged in the surface of the sickbed, and the tops of the compression cylinders are fixedly connected with a same auxiliary plate; an auxiliary plate capable of being pressed to move downwards is arranged at the top of the sickbed, after a patient lies on the auxiliary plate at the top of the sickbed, the auxiliary plate is pressed downwards, gas in a plurality of compression cylinders is pressed into a gas guide tube to drive an outer cylinder to move, then a keyboard is moved out of a containing groove in the top of the equipment cabinet, meanwhile, the outer cylinder drives a right-angle plate to stir a stirring plate, a rotating shaft drives a display screen to move out of a square frame, the patient can go down from the auxiliary plate, and under the recovery action of supporting springs and torsional springs, the keyboard and the display screen are automatically folded and placed, so that the safety of the patient is protected, and the probability of dust residue on the surface of the display screen and damage to the display screen is reduced.
Owner:张瑜玲

Landslide collapse rockfall protective net zipper structure with tough energy dissipation function

The invention discloses a landslide collapse rockfall protective net zipper structure with a tough energy dissipation function, and relates to the technical field of rockfall protection, the landslide collapse rockfall protective net zipper structure is preset at the bottom of a side slope, and the landslide collapse rockfall protective net zipper structure comprises a plurality of fixing assemblies which are arranged and fixed at the positions, close to the bottom, of the side slope at equal intervals, supporting columns hinged to the fixing assemblies, a steel wire rope net, and a plurality of buffer assemblies; two sets of supporting ropes are fixed to the ends, away from the fixing assembly, of each supporting column, and the ends, away from the supporting columns, of the two sets of supporting ropes are fixed into the slope through anchor rods; the steel wire rope net is arranged between the supporting columns; and the multiple buffer assemblies are arranged and are connected to the supporting column in a sleeving mode at equal intervals.
Owner:NAT INST OF NATURAL HAZARDS MINISTRY OF EMERGENCY MANAGEMENT OF CHINA

soundproof ventilation door

The invention discloses a sound insulation ventilating door. The sound insulation ventilating door comprises an inner door plate and an outer door plate glued and fixed to the inner door plate. Multiple ventilating structures are arranged at the corresponding positions of the inner door plate and the outer door plate at the same time, and each ventilating structure comprises an outer through groove formed in the side, away from the outer door plate, of the inner door plate. Inner through grooves are formed in the side, away from the outer door plate, of the inner door plate, and the outer through grooves communicate with the inner through grooves through ventilating pipes. Shaking grooves are formed in the inner walls of the inner through grooves, vibration transmitting rods are inserted into the side walls of the outer through grooves in a penetrating manner, and the vibration transmitting rods penetrate through the side walls of the shaking grooves and extend into the shaking grooves. The sound insulation ventilating door has the advantages that the inner through grooves are formed in the inner door plate, the outer through grooves are formed in the outer door plate, the inner through grooves communicate with the outer through grooves through the ventilating pipes, so that when no obvious noise appears outside, indoor and outdoor air can complete air exchange through channelsformed by the inner through grooves, the ventilating pipes and the outer through grooves, good indoor ventilation is guaranteed, and then the indoor air quality is improved.
Owner:嘉兴鼎尚信息科技有限公司

PdNiW/C ternary alloy nano catalyst and preparation method thereof

The invention discloses a PdNiW / C ternary alloy nano catalyst and a preparation method thereof. The PdNiW / C ternary alloy nano catalyst takes Pd, Ni and W as the activity center and activated carbon as a carrier; according to the molar ratio, the ratio of Pd to Ni to W is 7:2:1; and according to mass ratio, the ratio of the mass of the activated carbon to the total mass of Pd, Ni and W is 4:1. The preparation method comprises the following steps of: mixing ethylene glycol solutions of PdCl2, NiCl2.6H2O and Na2WO4, regulating the pH value to be 9, increasing the temperature to be 80 DEG C, reacting for 1hour, adding the activated carbon, continuing stirring and reacting for 30 minutes, adding a sodium citrate aqueous solution, carrying out ultrasound treatment for 30 minutes, further adding a NaBH4 aqueous solution, stirring and reacting for 3 hours at 50 DEG C, cooling to the room temperature and carrying out vacuum filtration, washing and drying so as to obtain the PdNiW / C ternary alloy nano catalyst with good dispersity and good catalytic oxidation performance on ethanol in an alkali environment.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Safe transportation device for solar photovoltaic panels

The invention discloses a safe transportation device for solar photovoltaic panels, and relates to the technical field of solar photovoltaic panel production. The safe transportation device for the solar photovoltaic panel comprises a movable box. Rotating rollers are arranged at the bottom of the movable box, a pushing handle is fixedly installed at the position, close to the upper end, of the left side of the movable box, a fixing mechanism is arranged at the position, close to the top, of the inner wall of the movable box, and a buffering mechanism is arranged at the bottom of the inner wall of the movable box. The fixing mechanism comprises connecting plates, contact pieces and fixing plates, the connecting plates are fixedly installed at the position, close to the upper end, of the inner wall of the movable box, and each connecting plate is in an L shape. According to the safe transportation device for the solar photovoltaic panels, by the arrangement of the fixing mechanism and the buffering mechanism, when the movable box vibrates due to movement, the photovoltaic panels in the movable box are clamped, the vibration of movable plates making contact with the photovoltaic panels is rapidly stopped, and the situation that the photovoltaic panels on the inner side of the movable box collide due mutual friction, and damage to the photovoltaic panels is caused is avoided.
Owner:如东通能电器有限公司
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