81results about How to "Improve isolation ability" patented technology

The invention relates to a data isolation method used in storage cloud, and belongs to the distributed storage field. The data isolation method comprises the following steps: (1) according to security demands of an organization, establishing security policy configuration of a tenant in master nodes of a storage cloud system; (2) establishing a user subject belonging to the organization and stamping role tags in a role model of the organization for the subject; (3) organizing an administrator to stamp the tags in the Tag model of the organization for an accessed resource object established by certain user in the organization; (4) according to role privileges of accessed resources, setting a security access policy of a role subject for the accessed resource object and storing the security access policy in the master nodes of the storage cloud system; and (5) according to the security access policy, judging whether the role subject passes the access to the accessed resource object by the master nodes, executing the access if yes and refusing the access if no. The data isolation method has the beneficial effects that the appropriate data isolation is ensured in a cloud-stored enterprise, and the adopted policy follows a universality principle, thus being applicable to public cloud, private cloud and mixed cloud.

The invention discloses a polyurethane elastic fiber finishing agent, comprising the following components in parts by weight: 75.0-98.8 parts of at least one substrate selected from silicon oil and white mineral oil, 1.0-10.0 parts of isomerous high-carbon alcohol, 0.1-10.0 parts of MQ silicon resin of which the pour point is smaller than or equal to 100 DEG C and 0.1-5.0 parts of trisiloxane polyether organic phosphate. The finishing agent enables the polyurethane elastic fiber to have favorable antistatic property, lubricating property and grating balancing property in the filament reeling process, so that the polyurethane elastic fibers reeling at high speed have stable tension and do not skid or cause the filament roller to mess up, thereby endowing the polyurethane elastic fibers withfavorable reeling property. The finishing agent also enables the polyurethane elastic fibers rolled on the roller to have enduring anti-adhesion insulation property, so that the polyurethane elasticfibers have favorable cocoon reelability and thorough root unreeling property in the downstream unreeling process, thereby endowing the polyurethane elastic fibers with favorable unreeling property.

The invention relates to a network isolation method and device for container instances in the same container cluster. The method comprises the steps that under the condition that a first creation request initiated by a target tenant is detected, a virtual interface of a target network space is created, the first creation request is used for requesting creation of a target container instance, and the target network space is a network space corresponding to the target tenant; target address information of the virtual interface is obtained; target network equipment is created by using the targetaddress information, wherein the address information of the target network equipment is the target address information, and the target network equipment is used as an instance network card of the target container instance. According to the method and the device, the technical problem of relatively low network isolation strength among the container instances in a cluster for deploying the containerinstances in related technologies is solved.

The invention discloses a battery jar and battery cover hot runner plastic mold for a storage battery. The mold comprises a mold main body; a heating system is arranged inside the mold main body; anda movable interface is arranged in the mold main body and is fixedly connected to the mold main body through screws. The battery jar and battery cover hot runner plastic mold for the storage battery adopts a hot runner plastic mold, a temperature control cabinet is arranged and has the over-high temperature warning function and the automatic adjusting function, the temperature in an integral hot runner system can be effectively adjusted through the temperature control cabinet, so that the temperature change of a solution body can be controlled within the required precision range, raw materialsremaining inside the mold cannot be cooled and can be prevented from being crushed by crushing equipment again, no dust can be generated on a production site, occupational injuries to staff can be avoided, environmental pollution can be avoided, and therefore the environmental protection effect can be achieved.

The invention discloses a microbial capsule for tailing remediation and a three-in-one tailing in-situ remediation method. In the prior art, the operation and maintenance cost of acid wastewater treatment is high, the duration time is long, and the treatment effect is unstable. The invention provides a microbial capsule for tailing restoration. The microbial capsule comprises a porous calcium carbonate ball and a microbial agent loaded on the porous calcium carbonate ball. The microbial capsule can effectively inhibit the oxidation of sulfide minerals, and the microbial inoculum is not easy to lose. According to the separation layer, modified environmental minerals and metal ions are combined together, and a modified environmental mineral-metal combination is used as a separation substance, so that acidic wastewater formed after sulfide in an upper-layer tailing pond is oxidized can be prevented from permeating to a lower layer; and air on the upper layer is prevented from entering the bottom layer to oxidize sulfide minerals. On the basis, the isolation layer not only achieves the effect of adsorbing and isolating the pyrite, but also can oxidize sulfide minerals on the mineral surface layer through metal ions.

The invention discloses a storage battery partition plate and a pregnant solution type storage battery. The partition plate is of a multi-component fiber structure and is formed by processing glass fibers and hydrophobic PE fibers of various diameters and lengths. The PE fiber content of an upper layer and a lower layer of the vertical section structure of the partition plate is the same and is lower than that of an intermediate interlayer. A bag type structure partition plate is adopted for the pregnant solution type storage battery. The storage battery partition plate can have the advantages that a PE partition plate and an AGM partition plate are small in pore diameter and low in resistance and easily made into a bag type, and it can be guaranteed that the pregnant solution type storage battery has good low temperature discharge performance, oxygen compound efficiency and cost performance.

The invention provides communication transfer electric control boards, a household appliance and a household appliance control system. A communication transfer electric control board comprises an interface circuit which is used for accessing a Wi-Fi communication module and carrying out data instruction interaction with the Wi-Fi communication module, wherein a data instruction is configured as aninstruction capable of being analyzed by the Wi-Fi communication module; and a control circuit which is used for converting the data instruction and a control instruction, wherein the control instruction is configured as the instruction capable of being performed by the household appliance, and the control instruction is also configured to feed back an operation state of the household appliance.The data instruction sent by the Wi-Fi communication module is transmitted to the household appliance through the interface circuit and the control circuit in sequence. The control instruction sent bythe household appliance is transmitted to the Wi-Fi communication module through the control circuit and the interface circuit in sequence. Through application of the technical scheme provided by theinvention, a conventional air conditioner can be modified with low cost in the short term, the air conditioner is enabled to have a Wi-Fi communication function, a communication mode is expanded, andcommunication reliability and use experience are improved.

The invention discloses an organic silicon separation gel and a preparation method and application thereof. The organic silicon separation gel is prepared from the following components by weight portion: 54 to 82 portions of organopolysiloxane, 4 to 15 portions of hydroxy silicone oil, 10 to 25 portions of gas phase method silicon dioxide subjected to hydrophobization treatment by the silicoorganic compound and 1 to 6 portions of silane coupling agent. The preparation method of the organic silicon separation gel comprises the following steps: evenly mixing the components; increasing the temperature to between 60 and 116 DEG C; stirring the mixture and maintaining the temperature for 5 to 12 hours; carrying out vacuuming on the mixture for 1 to 6 hours at a temperature of between 120 and 180 DEG C; and obtaining the organic silicon separation gel. The application of the organic silicon separation gel is that the gel is used for preparing a rapid blood collecting tube containing serum separation gel. The organic silicon separation gel provided by the invention has the advantages of sanitation, safety, no toxicity, strong isolation property, good liquid seal property and excellent thixotropic property. The preparation method of the organic silicon separation gel has simple preparation method and process, mild and controllable preparation condition and is easy to popularize.

The invention provides a rubber sheet isolating agent. The rubber sheet isolating agent is prepared from the following raw materials in parts by weight: 30-50 parts of bentonite, 10-30 parts of silicafume, 10-30 parts of light calcium carbonate, 5-10 parts of zinc oxide, 3-5 parts of fumed silicon oxide, 13-30 parts of fatty acid derivative, 4-6 parts of a surfactant, 0.6-1 part of an organic silicone solid defoamer and 0.2-0.3 part of drier. According to the rubber sheet isolating agent, the isolation effect is outstanding, the stack sticking phenomenon of rubber materials is well controlled, and rubber sheets still has excellent isolation effect for being stacked more than one month; the rubber sheet isolating agent can be widely used in the isolation of different types of rubber sheets, so that the rubber sheets do not bond with one another, and various properties of rubber can be maintained; and the manufacturing process is simple, use amount is low, the isolation ability is high,and the rubber sheet isolating agent is especially suitable for isolation of high-viscosity rubber sheets such as bromobutyl rubber.

The invention relates to the technical field of medical appliances and discloses a protective device for diseases of a respiratory system. Problems of the existing devices that patients will suffer from mutual cross infection, doctors will be infected, transferring of the patients is labor-consuming, and disinfection of sickbeds is incomplete are effectively solved. A technical scheme is as follows: a headstock and a tailstock are arranged at the two ends of a bed body, a hand-operated lead screw is arranged between the headstock and the tailstock, transmission worm wheels are arranged at theheadstock and the tailstock, circular sliding grooves are formed in the headstock and the tailstock, two quadrantal arc plates which are arranged between the headstock and the tailstock are connectedinto the circular sliding grooves in a sliding manner, and transmission gears which are rotatably connected to the headstock and the tailstock are engaged with inner rings of the arc plates and are connected with the transmission worm wheels separately through belt transmission structures and reversing transmission structures. The protective device has a very powerful isolating effect on the patients and achieves a protective action on cross infection risk of the patients, the risk that medical personnel are infected when the medical personnel perform treatment on epidemic patients is avoided,and the protective device has very high practicability and very high functionality.

The invention discloses a two-component water-based epoxy coating as well as a preparation method and application thereof. The two-component water-based epoxy coating includes an A component and a B component, wherein the A component comprises the following materials in parts by mass: 20-36 parts of deionized water, 1-4 parts of auxiliary agent 1, 22-50 parts of a pigment filler, and 25-40 parts of a water-based epoxy curing agent; and the B component comprises the following materials in parts by mass: 10-40 parts of deionized water, 0.8-2 parts of auxiliary agent 2, and 50-90 parts of self-prepared water-based epoxy resin. The two-component coating provided by the invention can meet needs of interior decoration, can be used as a water-based epoxy wall surface paint, has a good anti-fouling effect and strong isolation, and can meet high-cleanness decoration requirements.

The invention relates to a passive isolation sampling circuit for the output direct current of a three-phase rectifier bridge. The output direct current of the conventional three-phase rectifier bridge is sampled by a current divider, so that interference over the transmission of a signal line is easily produced. A three-phase rectifier bridge output circuit rectifies three-phase alternating current into direct current, and the direct current is transmitted to a load through a direct current filter reactor. The heavy three-phase alternating current is converted into alternating current signal voltage with low amplitude through an incoming current transformer and a current conversion resistor, and the three-phase alternating current signal voltage is converted into direct current signal voltage through a signal rectifier bridge by adopting a Y connection method. The amplitude of the direct current signal voltage completely corresponds to the direct current according to a certain sampling proportional relationship, the amplitude of the direct current is correspondingly displayed by a parallel direct current voltmeter, and the output of the signal rectifier bridge is connected in parallel with a capacitor for filtration. The Y connection method is adopted for independent sampling, so that an isolation property is high; and the sampling circuit is not required to be connected with a major loop, so that high voltage influence is avoided, loss and heat are reduced, and sampling safety and convenience are ensured.

The invention provides a zero-crossing detecting device based on electromagnetic induction, comprising an alternating current power supply to provide an alternating current signal; an electromagneticinduction unit converting alternating current electrical signal into a low-voltage alternating current signal. The input end of the electromagnetic induction unit is arranged close to the alternatingcurrent power supply load wire;the output end of the electromagnetic induction unit is connected with the input end of the AC signal amplifying unit; the AC signal amplifying unit amplifies and outputs the positive half-wave signal of the low-voltage AC signal, and the output end is connected with the input end of the zero-crossing comparison unit; the zero-crossing comparison unit compares the amplified low-voltage AC signal with the zero-crossing detection signal, outputs a zero-crossing signal, and outputs the signal to the microprocessor; and the microprocessor determines the zero-crossingpoint of the AC signal based on the zero-crossing signal. The invention has the advantages of simple circuit and low cost, and does not need to isolate the output unit circuit, and only needs the electromagnetic induction unit and the zero-crossing comparison unit to realize the zero-crossing detection of the high-voltage AC power source, and can track the zero-cross point in real time when the load fluctuates sharply.

The invention relates to a current source power supply circuit for a weak current system. The conventional power supply technology for the weak current system mainly adopts a voltage source power supply mode. In the current source power supply circuit for the weak current system, primary sides of a plurality of current transformers are connected in series; one end of the first current transformer is connected with a 220V mains supply; one end of the last current transformer is connected with one end of a current-stabilizing inductor; the other end of the current-stabilizing inductor is connected with the 220V mains supply; the primary side of each current transformer is connected with a pair of diodes connected in parallel forwardly and reversely to prevent open-circuit over-voltage; a secondary side of each current transformer comprises a rectifier bridge, a voltage-stabilizing tube and a filter capacitor; a negative electrode of the voltage-stabilizing tube is connected with one output end of the rectifier bridge, and a positive electrode of the voltage-stabilizing tube is connected with the other output end of the rectifier bridge; and the positive electrode of the filter capacitor is connected with one output end of the rectifier bridge, and the negative electrode of the filter capacitor is connected with the other output end of the rectifier bridge. The current source power supply circuit for the weak current system is simple in structure and stable in output.

The invention discloses an intelligent city electricity generation converter cabinet which comprises a cabinet body, a cabinet door, a city electricity generation conversion control circuit, a mains supply disconnection control assembly and an electricity generation disconnection control assembly. The converter cabinet is ingenious and reasonable in structural design, high in automation degree, easy to operate and totally intelligentized, can convert the mains supply and the electricity generation automatically, guarantees normal power consumption, and doesn't need guard of an electrician or a relevant operator on duty; besides, an intelligent digital display ampere meter and an intelligent digital display voltmeter are provided, so that current and voltage can be measured automatically with high accuracy, and the values of the current and the voltage are directly displayed by a nixie tube or liquid crystal; and the converter cabinet has the advantages of direct display, high accuracy, stable performance, high isolation and vibration and the like, a plurality of expansion functions including RS485 communication, on-off input, on-off output, analog quantity transmitting output and the like can be matched, multiple functions can be realized, different use requirements can be met, and the cabinet can be popularized and applied widely, and is suitable for an electric power system, petrochemical engineering, industrial and mining enterprises, civil architecture and the like.