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42results about How to "No risk of loss" patented technology
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Foldable heat insulating container and distribution method
ActiveCN1914469AReduce delivery costsImprove distribution efficiencyDomestic cooling apparatusLighting and heating apparatusRefrigerator carThermal insulation
Provided is a frozen commodity distribution method reduced in labor and cost while holding the quality of frozen commodities and a cold insulation container unfoldable and foldable in a short time while providing high cold insulation performance. In the distribution method, the frozen commodities requiring cold insulation are stored in the cold insulation container formed of a vacuum thermal insulation material, and the cold insulation container is distributed by a refrigerator car, cold insulation car, or a room temperature car other than a chill car. In the foldable cold insulation container, each of peripheral wall parts, cover parts, and bottom face parts is formed by including the vacuum thermal insulation material in a sheet material, and the peripheral wall parts of the cover parts adjacent to the continuously arranged peripheral wall parts are foldable since the vacuum thermal insulation material is divided along pleat lines. When the container is used, the cover parts and the bottom face parts are rotated in closed attitudes to form into a box. When the container is not used, the bottom face parts are bent to the inside or outside of the peripheral wall parts, the cover parts are bent in the reverse direction of the bottom face parts, and the peripheral wall parts are allowed to approach each other while bending the peripheral wall parts inward along the pleat lines, stacked on each other, and folded.
Owner:PANASONIC CORP
Enclosure assembly
InactiveCN101160442AReliably attached toNo risk of lossWing accessoriesCasings/cabinets/drawers detailsEngineeringMechanical engineering
The invention provides a hingeably closeable enclosure assembly, wherein at least two enclosure parts (10, 20) are connected by a hinge element (30), which is accommodated in a recess (13, 23). The hinge element (30) is flexible, and preferably ribbon- shaped, and is slideably moveable in the recess. This configuration allows the hinge to be invisible from the outset, and to occupy the least amount of space.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Method for integrating at least one electronic module in or on the glass of a watch and watch glass obtained by such a method
ActiveCN1942834AAccurate processingNo risk of lossTime-pieces with integrated devicesRadio-controlled time-piecesVitrificationWatch glass
The invention relates to the Integration method of at least one electronic module ( 1 ) in or on the glass ( 3 ) on watches, generally wristwatches, by means of a non-solid solution ( 4 ). The electronic module ( 1 ) is injected or positioned with a non-solid solution ( 4 ) in a cavity hole ( 2 ) in the glass ( 3 ), provided for housing the same, or on a part of the surface of the glass ( 3 ). The electronic module is perfectly integrated and / or fixed within or on the glass ( 3 ), in particular, as a result of the epoxide characteristics and the transparent vitrification of the solution ( 4 ).
Owner:WINWATCH
Combined inhibitor used for lead concentrate flotation process
InactiveCN107377232AImproved quality and tasteSimple processVortex flow apparatusFlotationZincEngineering
The invention discloses a combined inhibitor used for a lead concentrate flotation process. The combined inhibitor used for the lead concentrate flotation process comprises, by mass, 2-4 parts of zinc sulfate, 2-4 parts of dimeric sodium cyanate, 0.5-1.5 parts of double mercapto sodium acetate and 0.5-1.5 parts of thiourea. The combined inhibitor used for the lead concentrate flotation process has a good inhibiting effect to zinc, and is used for the flotation process of zinc inhibiting and plumbum floating, and zinc content in the lead concentrate can be reduced sharply.
Owner:HUNAN RES INST FOR NONFERROUS METALS
Outer cover and image forming device and control syste with the cover
InactiveCN1538247AUse effectivelyNo risk of lossElectrographic process apparatusControl systemImage formation
A connector cover of the present invention serves a function as a cover for a connector when a postprocessing device is not fitted to a main unit of an image forming device. Further, when the postprocessing device is fitted to the main unit of the image forming device, the connector cover is secured at the other position while maintaining the function as a cover for the connector, and serves a function as a shock-absorbing member with respect to the actuator which is provided in the postprocessing device. This makes it possible to secure a good appearance of the image forming device and make effective use of resources.
Owner:SHARP KK
Method for producing a tapered roller assembly, tapered roller assembly and tapered roller bearing
Tapered roller bearings have in many design forms an inner ring, an outer ring and a plurality of tapered rollers which are arranged to roll between the inner ring and outer ring. It is the object ofthe present invention to propose a method for producing a tapered roller assembly which can be mounted in a particularly simple manner. For this purpose, a method for producing a tapered roller assembly (1) having an inner ring (3) and a roller ring (12) is proposed, wherein the method comprises the following steps: a) providing the inner ring (3), wherein the inner ring (3) has a flanged mountingrim (10) which is produced within a preliminary flanging stage by flanging over an edge region (6) of the inner ring (3); b) mounting the roller ring (12) on the inner ring (3), wherein the roller ring (12) is pushed over the flanged mounting rim (10) onto the inner ring (3); c) flanging over the flanged mounting rim (10) into a flanged rim (15), wherein the flanged rim (15), as a retaining rim,captively retains the roller ring (12); and d) heat-treating the flanged mounting rim (10) before step b) or step c), wherein a hardness of the flanged mounting rim (10) is reduced by comparison witha hardness of a raceway (5) of the inner ring (3). Also proposed is a tapered roller bearing (20) formed with such a tapered roller assembly (1).
Owner:SCHAEFFLER TECH AG & CO KG
Expanded polytetrafluoroethylene material and preparation method thereof
InactiveCN113462105AImprove anti-static effectLong-lasting and long-lasting anti-static effectExpanded PTFELubricant
12The invention discloses an expanded polytetrafluoroethylene material and a preparation method thereof. The expanded polytetrafluoroethylene material comprises the following raw materials by weight: 100 parts of polytetrafluoroethylene, 20-40 parts of an antistatic filler and 15-25 parts of a liquid lubricant. The antistatic filler comprises the following raw materials in percentage by mass: 60-95% of polytetrafluoroethylene and 5-40% of carbon black. According to the invention, the anti-static filler is prepared by mixing, sintering and crushing PTFE and carbon black, and in the sintering process, the carbon black is uniformly dispersed in PTFE melt, so that carbon black particles are wrapped in powdery particles of the anti-static filler. Compared with the mode that carbon black is directly added into PTFE, the method has the advantages that the dispersity of the carbon black in the PTFE is better by firstly preparing the anti-static filler and then mixing the anti-static filler with the PTFE, the surface resistance fluctuation ratio of the ePTFE material is smaller (the surface resistance can reach 10<12> ohms), the dielectric loss and the dielectric constant are lower, and the anti-static effect is long-acting and lasting.
Owner:ZHEJIANG DEQING CONCEPTFE PLASTIC PROD
An anti-theft dismantling control check ball valve
ActiveCN105805340BPrevent backflowEliminate the risk of lossPlug valvesOperating means/releasing devices for valvesWater flowEngineering
Owner:CHONGQING SHANCHENG GAS EQUIP
Method for processing sewage to agricultural land water using UAFB reactor
InactiveCN101381158AAvoid churnLow costTreatment with anaerobic digestion processesWater useAgricultural land
The present invention discloses a method for truning domestic sewage into farming water by a UAFB reactor, and relates to a sewage disposal method. The method solves problem that the prior sewage disposal method requires large electric energy consumption, is high in sludge production, and is narrow in application range. The method comprises the following steps: firstly, the domestic sewage to be processed orderly enters from upside down an inverted cone body which is filled with a rough filler, a cylinder body which is filled with a main filler, and a deposition section from a water inlet at the lower end of a body of the UAFB reactor; secondly, the temperature the domestic sewage to be processed in the body 1 is kept between 35 and 35 DEG C; thirdly, the domestic sewage to be processed is kept in the body for between 3 and 4h; fourthly, a triphase separator that is arranged on the deposition section separates sludge, sewage and gas in the domestic sewage to be processed; fifthly, the separated sewage flows out from a double U-shaped water outlet pipe which is communicated with the deposition section to irrigate a farm. The method is simple in process, reduces infrastructure cost, facilitates the operational management, and is suitable for the underdeveloped towns and rural areas.
Owner:HARBIN INST OF TECH
Fuel gas theftproof ball valve
InactiveCN107606222AEliminate the risk of lossNot easy to roundPlug valvesPreventing unauthorised/accidental actuationEngineeringWrench
The invention discloses a fuel gas theftproof ball valve. The fuel gas theftproof ball valve comprises a ball valve, a valve deck and a valve element, wherein the valve element is connected with a wrench through a valve rod; the valve rod is located in a filler bin arranged on one side of the valve body; a limiting baffle tongue is which is used for limiting the range of a rotation angle of the wrench is formed on the wrench; a locking screw of which the head part is provided with a triangular-prism-shaped or four-petal-plum-column-shaped screwing structure is arranged between the limiting baffle tongue and the outer wall of the filler bin; the locking screw is used for locking the wrench through the outer wall of the filler bin; and when the locking screw is only separated from the outerwall of the filler bin or the limiting baffle tongue, the wrench is unlocked. The fuel gas theftproof ball valve has the beneficial effects that the locking screw can only be screwed by a special opening tool, so that the valve is prevented from being opened by misoperation or being opened arbitrarily, and use safety by a user is ensured; besides, the opening tool is small in structure size and isconvenient to carry; locking and unlocking operation is convenient and requires small force; the service life is long; and hidden danger that the locking screw is lost is avoided.
Owner:张克勤
Combine harvester
A combine harvester (10) comprising fan apparatus (26) for generating an air stream through cleaning apparatus (24) to separate chaff from grain is provided. The fan apparatus comprises a plurality of fan modules (35) for generating mutually spaced air sub-streams. The cleaning apparatus comprises an auxiliary air intake located between two adjacent air sub-streams, and means (52) to narrow the passage for each air sub-stream adjacent the auxiliary air intake (50). The narrowing serves to create a region of lower pressure (L) due to the venturi effect. The low pressure region draws air directly from the environment into the air stream through the auxiliary air intake thereby reducing the transverse component of the sub-streams and providing a more uniform air flow through the cleaning apparatus.
Owner:爱科股份公司
Service key creation and service data encryption method, device and system
InactiveCN110166234ANo risk of lossExamples cannot be limitedKey distribution for secure communicationPlaintextCiphertext
The invention discloses a service key creation and service data encryption method, device and system. The invention discloses a service key creating method. The method comprises: a service end obtaining an XA from a first password end; wherein the XA is a first secret key ciphertext of the service secret key obtained after the service secret key plaintext X is encrypted by using A; wherein the service key is generated by a first password end; the service end sending a first encryption conversion request carrying XA and C to the first password end; the first password end obtaining a first encryption conversion result XC according to the first encryption conversion request, and returning the XC to the service end; wherein the XC is obtained by encrypting X by using C; the service end sendinga second encryption conversion request carrying the XC to the second password end; the second password end obtaining a second encryption conversion result XB according to the second encryption conversion request, and returning the XB to the service end; wherein the XB is a second root key ciphertext of the service key obtained by encrypting X by using B; and the service end correspondingly storing the XA and the XB.
Owner:ADVANCED NEW TECH CO LTD
Self-screening thrombectomy stent with strong capture force
The invention discloses a self-screening thrombectomy stent with strong capture force, and relates to the field of medical instruments. The self-screening thrombectomy stent comprises a far-end gathering screen, an upper half stent main body, a stent middle section and a lower half stent main body, wherein the upper half stent main body, the stent middle section and the lower half stent main bodyare each of a net-cylinder-shaped structure; the diameter of the cross section of the stent middle section is smaller than the diameters of the cross sections of the upper half stent main body and thelower half stent main body; one end of the stent middle section is connected with the upper half stent main body; the other end of the stent middle section is connected with the lower half stent mainbody; the far-end gathering screen is arranged at the far end of a thrombectomy stent body and is connected with the upper half stent main body; and the far-end gathering screen comprises a pluralityof gathering petals, and the gathering petals are gathered from the periphery to the inside. The self-screening thrombectomy stent is reasonable in design and high in practicability, the risk that thrombus is lost in a process of being pulled out from the body is eliminated, and the thrombus capture capacity is improved.
Owner:SHANGHAI HEARTCARE MEDICAL TECH CORP LTD
A method for expanding the root partition of a Linux virtual machine based on a cloud platform
ActiveCN109739437BNo risk of lossInput/output to record carriersSoftware simulation/interpretation/emulationFile systemTheoretical computer science
The invention relates to the technical field of cloud computing, in particular to a method for expanding the root partition of a Linux virtual machine based on a cloud platform. The method of the present invention comprises the following steps: 1, expansion of the virtual machine system disk; 2, exporting the partition table of the system disk; 3, changing the root partition of the partition table and the starting sector and the total number of sectors of each partition; 4, importing The modified system disk partition table; 5. Restart the virtual machine; 6. Expand the root partition file system. The present invention does not need to delete each partition of the system disk and then rebuild the partition to expand the capacity of the root partition; if the partition table is incorrectly modified, there is no risk of data loss caused by mistakenly deleting partitions.
Owner:G CLOUD TECH
Universal encryption currency storage method supporting multiple signatures
ActiveCN114169888ASolve the generality problemPrevent lossKey distribution for secure communicationUser identity/authority verificationEngineeringMultisignature
The invention discloses a universal encryption currency storage method supporting multiple signatures, a main public key is obtained based on a multi-signature mode, and the main public key is calculated by adopting address generation algorithms of different block chains to obtain encryption currency addresses suitable for different block chains, so that the universality problem of a multi-signature wallet is solved, and meanwhile, the encryption currency storage method supporting multiple signatures has the advantages that the encryption currency storage efficiency is improved. According to the method, the key fragments are dispersed into a plurality of pieces of hardware and are stored by a plurality of persons, the cryptocurrency assets cannot be stolen at a single point, and once any party loses the key fragments, the key fragments can be reset, so that the situation that the cryptocurrency assets are lost due to improper storage is also avoided, and the security of the cryptocurrency assets is improved. According to the generated cryptocurrency storage address, the security is effectively improved while the privacy of user assets is protected.
Owner:北京众信星空网络技术有限公司
Novel tunnel type fixed bed reactor for sewage treatment
PendingCN114133032AShort application timeReduce portfolioTreatment with aerobic and anaerobic processesSustainable biological treatmentNitrogen removalBiofilm
The invention discloses a novel tunnel type fixed bed reactor for sewage treatment, and belongs to the technical field of sewage treatment. According to the technical scheme, the fixed bed reactor is provided with a water inlet and a water outlet, a plurality of filler assemblies are fixedly installed in the fixed bed reactor, and the filler assemblies are immersed in sewage; the filler assembly comprises a plurality of biological fillers, each biological filler is provided with a channel, an aerobic biological membrane grows on a water inlet section on the inner wall of each channel, and an anoxic biological membrane grows on a water outlet section on the inner wall of each channel; the filler assembly is formed by connecting a plurality of biological fillers in parallel, or connecting a plurality of biological fillers in series to form a biological filler group and then connecting a plurality of biological filler groups in parallel; an aerator is mounted on the side surface of the bottom of the filler assembly. The fixed bed reactor disclosed by the invention can realize the effects of aerobically removing organic matters, nitrifying and denitrifying nitrogen removal and the like without partitioning, the treatment efficiency is greatly improved, an internal reflux device is not needed, the process unit combination is reduced, and the device cost and the operating cost are reduced.
Owner:欧仁(日照)环保装备有限公司
A Self-screening Thrombectomy Stent with Strong Capturing Power
Owner:SHANGHAI HEARTCARE MEDICAL TECH CORP LTD
Outer cover and image forming device and control syste with the cover
InactiveCN100507728CUse effectivelyNo risk of lossElectrographic process apparatusControl systemImage formation
Owner:SHARP KK
A lock control ball valve
ActiveCN105805339BPrevent unauthorized disassemblyEliminate hidden dangersPlug valvesPreventing unauthorised/accidental actuationEngineeringVALVE PORT
Owner:CHONGQING SHANCHENG GAS EQUIP
Blockchain network and method of operation thereof
ActiveUS11481360B2Improve performanceNo risk of lossDigital data information retrievalEncryption apparatus with shift registers/memoriesComputer networkEngineering
A blockchain network, in which each node is able to be dynamically assigned different function for a given transaction that can be executed in parallel, includes a first node configured to send a transaction validation request for a transaction using a peer-to-peer (P2P) network; and a second node, configured to validate the transaction in response to the transaction validation request from the first node, and further configured to inform the first node of an approval of the transaction using a P2P network in response to the validation. The first node sends a notification message indicating completion of the transaction to a third node using a P2P network in response to the approval.
Owner:CHANG HWA SHANG
Support device
InactiveCN103807889BSave storage spaceEasy to carryStoves/ranges foundationsEngineeringMechanical engineering
The supporting device of the present invention includes a base, several connecting pieces, several first supporting feet and several second supporting feet, one end of each connecting piece is pivotally connected to the base, and the other end of each connecting piece is pivotally connected to the base. Connecting one of the first supporting feet and one of the second supporting feet, the supporting device can be changed between a folded position and an unfolded position, when the supporting device is in the folded position, the supporting device The whole is slightly disc-shaped. When the support device is changed from the folded position to the unfolded position, the first support leg can support cooking utensils, and the second support leg can be supported on a support surface, so that the base and the support surface A gap is formed between them.
Owner:LAVA OUTDOOR APPLIANCE
Deposit information processing method and device, readable medium and equipment
ActiveCN111626850AShort processNo risk of lossFinanceDatabase distribution/replicationInformation processingEngineering
The invention discloses a deposit information processing method and device, a readable medium and equipment. The method comprises the following steps: receiving a common deposit certification requestof a first user; wherein the common deposit certification request carries deposit certification certificate numbers issued by other certification provider nodes and deposit certification information of a first certification provider node needing to be issued; and if the corresponding deposit certification information is inquired in the alliance chain according to the deposit certification certificate number carried in the common deposit certification request, and the deposit certification information needing to be opened passes the verification, generating and linking the common deposit certification information and the corresponding certificate number, and sending the certificate number to the first user. As the certificate receiver node can search the common deposit certificate information of the first user in the alliance chain according to the certificate number corresponding to the common deposit certificate information of the first user, the deposit certificate numbers of a plurality of certificate provider nodes do not need to be checked respectively, and the process of deposit certificate service is reduced.
Owner:BANK OF CHINA
SQL auditing system and method for database release
PendingCN114418299AImprove business execution efficiencyImprove false recognition rateDigital data information retrievalDigital data authenticationComputer securitySQL
The invention relates to an SQL auditing system and method for database release. The system comprises an authority management module, an equipment management module and a work order management module, and the authority management module is used for obtaining authority information of different users in the system; the equipment management module is used for acquiring information of a to-be-managed database and managing the to-be-managed database based on the information of the to-be-managed database; and the work order management module is used for acquiring SQL work orders of users in the system, and checking and publishing the SQL work orders according to the authority information of different users and the information of the SQL work orders. Compared with the prior art, the method has the advantages of being high in efficiency and accuracy, capable of saving labor cost, good in expansibility and the like.
Owner:SHANGHAI PUDONG DEVELOPMENT BANK
combine harvester
The invention discloses a combine harvester (10), which includes a fan device (26) for generating an air flow through a cleaning device (24) to separate chaff from grains. The fan assembly includes a plurality of fan assemblies (35) for generating spaced apart air sub-flows. The cleaning device includes an auxiliary air inlet between two adjacent air sub-flows and means (52) for narrowing the passage of each air sub-flow in the vicinity of the auxiliary air inlet (50). The narrowed device creates a lower pressure area (L) due to the venturi effect. This lower pressure area draws air into the air flow directly from the external environment through the auxiliary air inlet, thereby reducing the lateral component of the sub-air flow and providing a more uniform air flow through the cleaning device.
Owner:爱科股份公司
A plug-and-play mis-pos implementation method without docking modification
ActiveCN111882783BNo risk of lossNo change in cash register operation habitsKey distribution for secure communicationFinanceData synchronizationPassword
The invention discloses a plug-and-play MIS-POS system free from docking transformation and its realization method; it includes a cash register system, a cash register plug-in, a plug-in business background, an MIS password keyboard and a POSP transaction system; the MIS password keyboard is connected to Between the cash register plug-in module and the POSP transaction system, the cash register plug-in is configured in the cash register system, and the plug-in business background is used to realize data synchronization with the cash register plug-in, and the cash register plug-in sends registration to the POSP transaction system through the plug-in business background Request; after the key is filled, the MIS password keyboard realizes key parameter synchronization with the POSP transaction system; when the cash register plug-in initiates a verification request to the MIS password keyboard, the MIS password keyboard requests the POSP transaction system to perform key verification The beneficial effects of the present invention are: the system is directly operated on the original cash register system without replacing the whole hardware, reducing the replacement cost, avoiding system data loss and improving security.
Owner:银盛支付服务股份有限公司
A method for cleanly decomposing waxy fixed animal tissues
ActiveCN109540638BDecompose thoroughlyGuaranteed quality and quantityPreparing sample for investigationDNA preparationBiotechnologyXylylene
The invention discloses a method for cleaning and decomposing a waxy fixed animal tissue. The method comprises processing to a paraffin embedded tissue slice which is accommodated in a centrifugal tube. The operation process comprises the following steps of adding de-waxing liquid and immediately performing high-speed centrifugation; incubating at a middle or high temperature; after taking out ofthe middle or high temperature environment for incubating, immediately performing high-speed centrifugation; injecting protease K solution into the liquid in the centrifugal tube, and incubating at amiddle temperature; performing high-speed centrifugation again, and sucking tissue decomposed solution. According to the method, xylene or boiling water bath is not required, and time for eliminatingthe wax is not required. High tissue decomposition capability is realized. A large amount of tissue can thoroughly deposed for releasing nucleic acid. The method according to the invention has advantages of simple experiment operation, basically no tissue loss, low nucleic acid damage, wide application range, and high suitability for processing ultralow amount to a large amount of paraffin tissueslice.
Owner:杭州倍强医药科技有限公司
A method for automatically backing up files and a mobile terminal with a backup function
ActiveCN106547647BNo risk of lossDigital data authenticationRedundant operation error correctionSoftware engineeringComputer engineering
The invention discloses a method for automatically backing up a file and a mobile terminal with a backup function. The method comprises the steps of judging whether a collected face image of a current user matches with face images in a face image library or not, wherein the face image library is preset; and if the collected face image of the current user mismatches with the face images in the face image library, backing up a file needing to be backed up, wherein the file needing to be backed up is preset. Through application of the method, a user does not need to back up the file in the terminal frequently and manually, so the time and labor are saved; and when the terminal is used by people except the owner, the file which is not backed up timely in the terminal can be automatically backed up, so the risk that the file which is not backed up timely is lost due to deletion can be avoided.
Owner:广州诚毅科技咨询有限公司
A beneficiation process for reducing zinc content in lead concentrate
The invention discloses a mineral processing technology for reducing the content of zinc in lead concentrate. According to the mineral processing technology, the lead concentrate of which the lead content is 35% or higher and the zinc content is 5% or higher serves as fed mineral. The mineral processing technology comprises the following steps that (1) the fed mineral is subjected to gravity separation by a shaking table, and gravity-separation lead concentrate and gravity-separation tailings are obtained; (2) the gravity-separation tailings are subjected to hydraulic cyclone gravity separation and scavenging and divided into overflow ore pulp and underflow ore pulp by a hydraulic cyclone; (3) the overflow ore pulp of the hydraulic cyclone is subjected to zinc inhibition and lead floatation, and floatation lead concentrate and floatation tailings are obtained; and (4) the gravity-separation concentrate and the floatation lead concentrate are mixed to obtain composite lead concentrate. Through the mineral processing technology, the content of the zinc in the lead concentrate can be reduced to be 3% or lower and even lower than 1% from 8-12%.
Owner:HUNAN RES INST FOR NONFERROUS METALS
Method for processing sewage to agricultural land water using UAFB reactor
InactiveCN101381158BAvoid churnLow costTreatment with anaerobic digestion processesRural areaAgricultural land
The present invention discloses a method for treating domestic sewage into farming water by a UAFB reactor, and relates to a sewage disposal method. The method solves problem that the prior sewage disposal method requires large electric energy consumption and has high sludge production. The method comprises the following steps: firstly, the domestic sewage to be processed orderly entering from upside down an inverted cone body which is filled with a rough filler, a cylinder body which is filled with a main filler, and a deposition section from a water inlet at the lower end of a body of the UAFB reactor; secondly, keeping the temperature the domestic sewage to be processed in the body between 35 and 35 DEG C, arranging a perforated plate in the cylinder body at the upper part of the main filler, the specific surface area of the main filler being 3m<2> / g, the specific gravity after carrier membrane being 0.98; thirdly, keeping the domestic sewage to be processed in the body for between 3 and 4h; fourthly, performing separation of the sludge, sewage and gas; fifthly, the separated sewage flowing out from a double U-shaped water outlet pipe to irrigate a farm. The method has simple process, reduces infrastructure cost, facilitates the operational management, and is suitable for the underdeveloped towns and rural areas.
Owner:HARBIN INST OF TECH
Master-slave server switching method and monitoring server
ActiveCN103795572BNo risk of lossError preventionData switching networksData lossDistributed computing
The invention discloses a method for switching a master server and a slave server and a monitoring server. The method comprises the steps of checking whether a registered resource node exists in a Zookeeper device or not, wherein the resource node is a label of the resource; when the registered resource node exists in the Zookeeper device, checking whether the number of server nodes in child nodes of the resource node is larger than or equal to a preset value; when the number of the server nodes in the child nodes of the resource node is larger than or equal to the preset value and a main server in the child nodes of the current resource node is not available, switching one slave server in the child nodes of the resource node into the main server. According to the method, the risks of data loss caused by the existence of two main servers at the same time cannot happen, and problems existing in the prior art are solved.
Owner:BEIJING JINGDONG 360 DEGREE E COMMERCE CO LTD
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