786results about How to "No change in structure" patented technology

The invention discloses a device and a method for increasing grain size of PM2.5 through turbulent flow and chemical agglomeration coupling. Dust-containing flue gas sequentially flows through a chemical agglomeration area and a turbulent flow generation area in a flue and finally enters an electrostatic dust collector; when the dust-containing flue gas flows through the chemical agglomeration area, the PM2.5 particles in the flue gas are primarily contacted with agglomeration solution fogdrops sprayed in through a dual-fluid atomizing nozzle, agglomeration solution liquid drops are evaporated, in the evaporation process, the PM2.5 particles are connected through macromolecule chains with polar groups, and the grain size of the PM2.5 is increased; the flue gas flows through the turbulent flow area, the agglomeration solution fogdrops are promoted to collide and contact the PM2.5, the PM2.5 are promoted to collide and contact the crude dust under the turbulent flow disturbance generated by a turbulence bar, the PM2.5 are further aggregated and increased in size, meanwhile, the residence time of the agglomeration solution liquid drops in the flue is prolonged, before entering the electrostatic dust collector, the agglomeration solution liquid drops are completely evaporated, and the particles of which the size is increased through agglomeration are finally moved by the electrostatic dust collector. The agglomeration increasing effect of the PM2.5 is obviously enhanced, and the using amount of an agglomeration solution is reduced.

The invention discloses a method for cooperatively promoting agglomeration growth of PM (particulate matter) 2.5 and treating desulfuration wastewater in an evaporation manner and a device of the method. The method particularly includes steps that agglomeration liquor prepared by desulfuration wastewater, high polymer adhesive and wetting agent is sprayed into an inlet flue of an electric precipitator and is evaporated by the aid of heat of flue gas, in an evaporation process, the wetting agent promotes dust to enter drops of the agglomeration liquor, the high polymer adhesive is connected with PM2.5 via a polymer chain with polar groups, the grain diameter of the PM2.5 is prompted to be enlarged, so that the PM2.5 can be gathered by the follow-up electric precipitator, the desulfuration wastewater is evaporated completely, suspended matters and dissolvable pollutants in the wastewater are converted into solid to be dissolved out, and the suspended matters and the dissolvable pollutants in the wastewater, together with dust in the flue gas, are gathered by the electric precipitator. The device consists of a boiler, an air preheater, the electric precipitator, a desulfurizing tower, a hydraulic cyclone, a desulfuration wastewater clarification tank and an agglomeration liquor preparation tank, and a double-fluid atomizing nozzle is arranged in the flue between the air preheater and the electric precipitator.

The invention relates to a wavefront measuring method based on a Hartmann wavefront sensor. According to the method, light spot array images detected by an array type photoelectric detector in the Hartmann wavefront sensor are used for obtaining the intensity distribution information of each light spot and the mass center position offset relative to the calibration time, the inclination aberration information of a sub wavefront in the corresponding sub aperture can be obtained according to the mass center offset, the high order aberration information of defocusing, astigmatism and the like ofthe sub wavefront in the corresponding sub aperture can be obtained by a phase inversion algorithm according to the intensity distribution information of the light spot, the inclination aberration information and the high order aberration information are combined to form sub wavefronts, and finally, all sub wavefronts are reconstructed by a wavefront reconstruction method or a wave surface split joint method for forming the whole aperture wavefront information. The method has the advantages that the light spot dispersion distribution information which originally puzzles the light spot mass center calculation is utilized, more information quantity of the sub wavefronts in the sub aperture is obtained, the wavefront detection precision of the Hartmann wavefront sensor is favorably improved,or the requirement on the aperture number is favorably reduced.

The invention provides a system and a method for safe filtering of an industrial control network. The system comprise a module docking station, a protocol processing module and a user interface subsystem that are sequentially connected, wherein the module docking station is connected with a network interface and used for achieving network communication, module monitoring and management and bottom layer preprocessing of a communication protocol; the protocol processing module is used for deblocking, analyzing, filtering and packaging an industrial control protocol based on a TCP / IP (Transmission Control Protocol / Internet Protocol); and the user interface subsystem is used for achieving module management configuration and status display. With the adoption of the system and the method, safety protection measures capable of being flexibly customized, expanded on line, and managed and maintained in real time can be provided for a user on the premise that the network structure of an industrial enterprise is not changed and the daily production is not affected, and the potential threat can be blocked according to the demand of an enterprise strategy, so that the network safety level of an industrial control system is raised greatly at a lower cost.

The invention provides a preparation method of a BN / epoxy resin heat conductive insulation composite material and belongs to the field of preparation of heat conductive insulation composite materials.The method includes: firstly, performing annealing pretreatment to BN powder and then surface modification with a silane coupling agent; then according to certain ratio, filling an epoxy resin matrixwith the modified hexagonal BN micropowder and the modified cubic BN micropowder. The method is simple process, wherein by adding the BN in different appearances, dimensions and phase structures, effective heat conduction channels are formed to finally improve the heat conductivity of the epoxy resin. After modification, the interface combination between the HBN and the resin is strong, wherein the sheet-like HBN and bulk CBN are overlapped in the epoxy resin to form excellent heat conductive network, thus effectively reducing interfacial thermo-resistance. The composite material is beneficial to quick transmission of heat, improves heat conductivity of the epoxy resin, has excellent insulation performance, and is improved in mechanical property.

The present invention discloses a crane load space swing angle detection technology and an apparatus thereof, wherein the apparatus comprises a measurement box and a signal receiving processor. According to the technology, a sensor in the measurement box arranged on a lifting hook / load measures a spatial attitude of the lifting hook / load relative to a geodetic coordinate, the signal receiving processor arranged on a crane body / boom measures a spatial attitude of the crane body / boom relative to the geodetic coordinate based on the sensor, a spatial attitude parameter of the crane load relative to the crane body / boom can be calculated through coordinate transformation, and the calculated parameter can be transmitted to a crane control box through a bus control unit to automatically control. With the present invention, a spatial swing condition of the crane load can be accurately measured so as to help the crane to achieve anti-swing control and improve safety production efficiency.

The invention discloses a virtual reality aircraft cockpit system with force / haptic feedback, namely, a flight simulator which uses a helmet mounted display, a motion tracking sensor and a force / haptic feedback system to replace a physical cockpit and a control mechanism of a conventional flight simulator and takes a virtual reality technology as a man-machine interaction mode. The virtual reality aircraft cockpit system is composed of computers and corresponding virtual reality interface equipment, adopts a network based distributed structure and takes the computers as a computing nodes, and different computing nodes perform communication through the network; motion data is acquired through the motion tracking sensor, the helmet-mounted display is taken as visual feedback equipment to output a virtual scene, and the force / haptic feedback system provides real force / haptic feedback for a user. Compared with the traditional flight simulator, the virtual reality aircraft cockpit system is small in size and low in cost, has high flexibility in structure and function, and can realize good force / haptic feedback experience, so that better immersion and interactivity are acquired.

The invention relates to a water soluble body lubricant with natural antibacterial components and with pH value consistence with pH value of vagina, which is characterized by comprising the following components in parts by weight: 10-30 parts of glycerol, 1-5 parts of 1,2-propylene glycol, 0.1-3 parts of natural antibacterial components, 1-10 parts of pH regulators, 0.1-2 parts of tackifiers, 0.1-2 parts of hyaluronic acid and 48-88 parts of deionized water. The water soluble body lubricant can be used as the lubricant for sexual life, the lubricant on condoms or the external bactericide for the female to prevent and treat bacterial infection in the vagina every day, is temperate in property, has pH value consistent with the vaginal environment, has broad spectrum antibacterial effect, does not change the vaginal flora structure or result in drug resistance of bacteria, does not contain chemical preservatives, is safer to use and has certain effects on moisturizing, protecting and repairing the private parts.

A gutter inlet automatic overflow pollutant intercepting device comprises a clamping seat. At least one extensible rod is connected with the portion below the clamping seat. The lower end of the extensible rod is connected with a metal support. The metal support and the extensible rod are sleeved by a filter screen. The gutter inlet automatic overflow pollutant intercepting device is characterized in that the clamping seat comprises a grease absorbing cable clamping groove. According to the gutter inlet automatic overflow pollutant intercepting device, pollutants entering a gutter inlet is intercepted through the pollutant intercepting filter screen, so that the gutter inlet and a rainwater pipeline are prevented from being blocked, and the water discharging capacity of a rainwater pipeline network is improved; the pollutants are controlled from a source through the rainwater pipeline network, so that disposing pressure of a sewage disposal plant and pollution to city water by runoff pollution are reduced. Grease type pollutants in runoff rainwater can be effectively controlled through the arrangement of a grease absorbing cable, so that the following disposing cost of the sewage disposal plant and the pollution of city water are reduced, and the gutter inlet automatic overflow pollutant intercepting device has obvious environment and economic benefits. According to the gutter inlet automatic overflow pollutant intercepting device, the structure of an existing gutter inlet is not changed, the improving cost of the gutter inlet is reduced, and the gutter inlet automatic overflow pollutant intercepting device is simple in structure, practical and low in production cost.

The invention discloses a rotary energy saving system of an excavator. When the excavator rotates to be started, corresponding flow is supplied according to a demand of a rotary motor, so that overflow loss of the system is reduced. A flow control valve is arranged between an overload buffering valve and an oil tank. In a process of accelerating rotary starting, the flow control valve works in a throttling mode; flow, namely overflow of the system, of the flow control valve is calculated according to pressure at an oil inlet of the flow control valve, and the discharge capacity of a hydraulic pump is adjusted according to the overflow of the system; when the overflow is increased, the discharge capacity of the hydraulic pump is reduced, so that most of the pump output flow is absorbed by the rotary motor, and energy loss is reduced; when the overflow is reduced, the discharge cavity of the hydraulic pump is improved, so that the requirement of the rotary motor can be met; moreover, the inlet pressure of the rotary motor is always kept at an overflow pressure value, and the rotary torque is increased, so that the rotary acceleration performance is guaranteed; and in a process of rotary deceleration brake, the flow control valve works in a direct through mode, so that oil can be normally filled into the rotary motor.

The invention relates to a lithium supplementing method for an energy storage device. The lithium supplementing method comprises the steps of adopting a device shell which consists of a cavity for placing a core pack, and m other cavities; putting the core pack and a lithium supplementing electrode into the core pack cavity and another cavity respectively, and injecting an electrolyte to enable the cavities where the core pack and the lithium supplementing electrode are located to be rich in electrolyte; performing formation treatment on the core pack, and then performing electrochemical lithium intercalation to obtain an A; or performing electrochemical lithium intercalation firstly, and then performing formation treatment on the core pack to obtain a B; after obtaining the A and B, performing n times of charge-discharge cycling treatment on the obtained A and B, next, extracting gas and redundant electrolyte from the core pack cavity, and sealing connection channels between the core pack cavity and other cavities to obtain a C; and finally, performing cavity-removing treatment on the obtained C to obtain a D, and performing machining and shaping on the D to obtain the finished energy storage device. The lithium supplementing method is simple and convenient to operate without greatly improving the production process of the existing lithium battery, and meanwhile, continuous production can be realized quite easily; and in addition, the lithium supplementing method is remarkable in effect and convenient to realize large-scale industrial application.

The invention belongs to the technical field of white spirit ageing, in particular to white spirit ageing process and device thereof, solving the problems of long aging time, large spirit consumption and the like of the traditional white spirit ageing. The device comprises an ageing device, wherein the ageing device is internally provided with a rotating padding and a guide cylinder, the guide cylinder is internally provided with a liquid lifting device, a liquid outlet and a gas outlet as well as a liquid inlet and a liquid outlet are arranged on a shell, the liquid inlet is connected with a closed vessel, the gas inlet is connected with an oxidizing gas source, and the liquid outlet is connected with a spirit storage vessel. The process comprises the following steps: sending green spirit into the ageing device; introducing an oxidizing gas, processing for 3-5min; then discharging the gas; introducing the oxidizing gas, processing for 10-60min; and sending the aged white spirit into the spirit storage vessel. The white spirit aged by the invention has mellow, soft taste and basically unchangeable processed alcoholic strength; and the content of effective components in the white spirit is equal to that of the years-aged white spirit, and the white spirit is processed for 10-60min, and the effect of the processed white spirit is equivalent to that of a 1-3 years naturally aged white spirit.

The invention belongs to the technical field of machinery manufacturing, and particularly relates to a controllable adjusting and measuring device of ball screw pretightening force and pretensioning amount. The pretightening force adjustment of screw nuts is achieved through three pretightening force devices which are of the same structure and are evenly distributed between the two screw nuts, each pretightening force device can conduct pretightening on the two screw nuts through tightening the nuts to press a spring, and the magnitude of the pretightening force can be measured in real time through a pull pressure sensor, so that the controllable adjustment of the pretightening force of the screw nuts can be achieved; the ball screw pretensioning is achieved by the method that tensile force is imposed to a separated mobile platform to drive a ball screw fixing supporting seat to move, and thus drawing force is generated to the ball screw, the pretensioning amount is measured through a dial indicator fixed to the end of the screw, and the magnitude of the drawing force is measured in real time through two pull pressure sensors fixed on the side face of the mobile platform.

The invention relates to a film surface hydrophilicity modifying method through PVA grafting by utilizing a biological preparation. The method comprises the following steps: 1, immersing a film in isopropanol and pure water respectively to complete infiltrating treatment; 2, carrying out a contact reaction of the film filtrate surface and a dopamine solution, carrying out an aeration stirring reaction by utilizing air, cleaning through flushing by water, and immersing to obtain a film coated with polymerized dopamine; and 3, immersing the film coated with polymerized dopamine in a graft copolymer solution, carrying out a stirring reaction, cleaning by flushing, and carrying out seal packaging. The method is suitable for the surface modification of flat films, hollow fiber films and tubular films, and has the advantages of only film surface coating modification, no change of the structure of the film, simple operation, and easy industrialized production; the modified film has an especially-obvious effect in the treatment of oil-containing wastewater or emulsified wastewater; and the filtrate outlet water of the film is safe and reliable, and can reach reuse water quality requirements.

The invention relates to polysulfonamide core-spun and wrapped composite yarns produced in the textile industry. Core-spun yarns consist of core yarn polyester yarns and externally-wrapping polysulfonamide fibers, and flame-retardant viscose filaments wrap the core-spun yarns. A conditioning friction tight composite spinning device for the composite yarns comprises a pair of dust cage friction false twisters corresponding to each spinning spindle, wherein a dust cage consists of two thin-wall sleeves and is fixed on an internal air suction pipe; the internal air suction pipe is connected with a main air suction pipe through a rubber pipe; the main air suction pipe is connected with a negative pressure fan; a conditioning groove is formed above the dust cage; a core yarn tensioner and a core yarn bobbin are arranged above a front roller and a front rubber roller; and a wrapped yarn tensioner and a wrapped yarn bobbin are arranged above a yarn guide hook. The invention has the advantages that: the polysulfonamide core-spun and wrapped composite yarns have a unique structure, a few hairs and high strength and can replace the conventional plied yarns, doubling and twisting processes are eliminated, the ration of coarse yarns can be improved by 40 percent compared with that of the conventional process, the tearing strength of the prepared fabric can be improved, and the structure of a ring spinning frame is not changed when the device is adopted.

The invention relates to a method for carrying out hollow fiber membrane surface hydrophilic modification by using a biological agent, comprising the steps of (1) immersing a hollow fiber membrane in isopropanol and pure water to finish wetting treatment; (2) adding dopamine powder into a buffering solution to prepare a dopamine solution; (3) immersing the immersed hollow fiber membrane into the dopamine solution; placing the two ends of the hollow fiber membrane out of the solution and utilizing air to carry out aeration and agitating reaction; and then washing to be clean, and sealing and packaging. The method only coats and modifies on the membrane surface and does not change the structure of the membrane; the operation is simple, and the industrialized production is easy to realize; the prepared hollow fiber membrane is anti-ageing, chemical-washing-resisting and high-temperature-resisting; the hollow fiber membrane can be prepared into a curtain type or pipe type membrane assembly and can be applied to the treatment of oily wastewater and emulsified liquid wastewater; and the effluent quality of membrane filtering is safety and reliable and the water quality requirement of the reuse of reclaimed water is achieved.

The invention relates to an on-line monitoring method of the change of six freedom degrees between the lenses of an astronautical CCD camera with three linear arrays. A laser emitting and receiving device which comprises a laser source, an optical fibre coupler, a laser aligner, a semi-transparent semi-reflecting mirror and a first area array CCD camera is rigidly fixed on a camera lens A, and a laser reflecting and receiving device which comprises a plane mirror, a second area array CCD camera and a third area array CCD camera is rigidly fixed on the a camera lens B. The optical fibre coupler divides lasers emitted from the laser source into three paths, and then, the lasers are respectively aligned by the laser aligner and are output, wherein two paths of the lasers are respectively and directly projected on the two area array CCD cameras of the laser reflecting and receiving device, and the other path of the lasers are reflected on the single area array CCD camera of the laser emitting and receiving device. The change of three rotating freedom degrees and three translational freedom degrees between the lenses of the astronautical camera is solved through the change of facula positions on each area array CCD camera. In the invention, a non-contact measurement method is adopted, the structure of the astronautical camera can not be changed, the processes of installation and adjustment are convenient, the structure is compact, and the on-line operation mode can be achieved.

The invention relates to a full-automatic screwdriver rack. The full-automatic screwdriver rack is mounted at the work end of an electric screwdriver or a pneumatic screwdriver. A rack body is in a detachable L shape, an L-shaped vertical arm serves as a screwdriver work inlet end, a cross arm servers as an automatic screw pushing operating end, and a screw falling sleeve and a screw outlet are formed in the joint of the vertical arm and the cross arm. The vertical arm is of a sleeve structure formed by connecting a fixed arm and a movable arm through a left hand thread, the movable arm perpendicularly slides in the fixed arm, and an auxiliary component is further arranged in the vertical arm. A screw box for containing screws is arranged in the cross arm, a nut fixing groove and a screw rod supporting cross rod are arranged in the screw box, a plunger type screw box sliding cover is arranged at the outer end of the cross arm, and a push plate for pushing the screws to move is arranged at the inner end of the sliding cover. The screw outlet is formed under the screw falling sleeve, and a conical falling opening is formed by the screw outlet through an elastic three-tongue mouth fixed to the outlet. According to the full-automatic screwdriver rack, time is saved, work efficiency is improved, and raw materials can be utilized more reasonably.

The invention relates to a cone beam CT scatter correction method and system. The method comprises the following steps that an attenuation coefficient matrix of an X-ray passing through an attenuation screen on a detector is calculated; under the condition that the attenuation screen is included, projected images of a radiated object are acquired; scatter correction is conducted on each projected image; the projected image of a template body without the attenuation screen is estimated through the attenuation coefficient matrix; the image is reconstructed through a FDK algorithm. The cone beam CT scatter correction method can effectively lower the scatter influence on cone beam CT image reconstruction, and the image quality is improved. Circular scanning is only conducted on cone beam CT for one time, and irradiation dose is not additionally increased. The cone beam CT scatter correction method is simple to implement, and the main structure and the stability of the cone beam CT are not changed. The cone beam CT scatter correction system can effectively lower the scatter influence on cone beam CT image reconstruction, improve the image quality, and overcome the technical difficulty of poor cone beam CT imaging quality.

The invention provides a capsule endoscope system capable of obtaining a real-time position and posture and a working method of the capsule endoscope system. The working method comprises the following steps: S1, collecting data of an inertial sensor from radio frequency communication equipment of a capsule endoscope, and carrying out operation processing on the obtained data on a remote server; carrying out data noise reduction through the remote server, and removing irregular sensor data; S2, carrying out position and posture solving according to accelerated velocity and angular velocity data obtained by an MEMS (Micro-electromechanical Systems) inertial sensor of the capsule endoscope, so as to obtain real-time position and posture information of the capsule endoscope; S3, carrying out error compensation on the obtained real-time position and posture information, and adjusting the obtained position and posture information values through operation, so as to enable positioning and posture determination of the capsule endoscope to be more accurate.

A honed embossed adhesive tape basilemma is made of pure polyolefin resin, the roughness of the front face Ra value is 20-60 mu inch, the roughness of the back face Ra value is 60-200 mu inch, the production method thereof comprises steps of melting and extruding, embossing and finishing. The honed embossed adhesive tape basilemma prepared by the invention has special honed effect, even surface roughness, even thickness stability, good longitudinal and transverse tear resistance, good anti-blocking effect and excellent gluing effect. The method of the invention does not change the inner structure of the basilemma material, thus not influencing the physical performance of the basilemma material, and being applicable to production of honed embossed adhesive tape basilemma and production of honed basilemma for other special uses.

A pearl nanoparticle is prepared from pearl through pulverizing by 300-500 meshes, adding deionized water to obtain suspension, and pulverizing in high-pressure homogenizing machine.

The invention discloses a laser chaotic spread-spectrum transformation system with a time delay hiding characteristic. A chaotic optical signal generated by an external-cavity semiconductor laser is subjected to spread-spectrum transformation through a time lens which is composed of photoelectric phase modulators PM1 and PM2 and a high-dispersion medium. To be specific, on the basis of time-frequency transformation of time domain Fourier transformation, chaotic spectrum is widened through increase of the dispersion measures; time delay label is hidden through adjustment of the relationship between a driving signal period and feedback time delay of a chaotic laser; spectrum is flattened as the chaotic laser signal is output after the spread-spectrum transformation based on the noise characteristic of chaotic signals; and a big efficient bandwidth is obtained.

The invention discloses a composition of an air-conditioning filtering net material with function of improving negative ions and radon, a preparation process method and application. The net material has functions of benefiting human health and protecting the environment by clearing the air, removing bacteria, increasing negative ions, improving radon content and the like. The net material can be machined into the air-conditioning filtering net material with health and environmental protection functions, an air purifier, a dust collector net material and a transportation tool filtering net material. The material has the characteristics of simple preparation process, little energy consumption, low manufacturing cost, convenient use, high efficiency, environmental protection and the like.

The invention relates to a turning tool changing method based on part surface roughness and power information. The turning tool changing method comprises the following steps that: (1) collecting powersignals and machining parameter information in the turning process through a power sensor; 2) carrying out signal interception on the power signal and carrying out digital filtering by adopting an anti-pulse interference moving average algorithm; 3) constructing a surface roughness prediction model by adopting an improved support vector machine algorithm, and performing surface roughness prediction to obtain predicted surface roughness information; 4) performing feature extraction on the filtered power signal to construct power information; and 5) performing tool wear state classification byadopting a random forest algorithm in combination with the predicted surface roughness information and power information, and completing tool change in the turning process according to a classification result. Compared with the prior art, the method has the advantages of comprehensive information, wide application occasion, feasibility, low cost and the like.

The invention provides an early warning system and a detection method for the safety performance of a large bus based on a controller area network (CAN) bus. On the premise of not influencing safety and operation, the system is used as a node to be mounted into a CAN bus network system of a finished vehicle and is used for extracting operation performance information and fault information in electric units of all electronic control devices of an original vehicle, acquiring the posture information of the vehicle by arranging a gyroscope and monitoring and early warning the sideslip and the side tipping of the vehicle by a time to rollover (TTR) algorithm; a CAN network is formed by a CAN interface, an environment monitoring module and a display screen module, so that the operating environment of the vehicle is monitored and early warned, and a display screen node is used for receiving all alarming information for displaying; a wheel speed signal can be directly acquired by an antilock bake system (ABS) wheel speed sensor and can also be acquired by a CAN bus; when a dangerous state occurs, a display screen displays dangerous index names; simultaneously, the fault information is transmitted in a voice newspaper reading mode, and other pieces of information are transmitted in a buzz alarming mode and are ranked by priority according to time.

The invention discloses a method for decreasing a walking beam heating furnace steel billet water beam black mark. The method comprises the steps of: 1) controlling a steel pusher in terms of pushing a steel billet onto a heating furnace water beam of a walking beam type heating furnace, with the heating furnace water beam composed of fixed beams and walking beams; 2) adjusting the horizontal walking stroke of the walking beams in the heating furnace to n(Ld+Ls)+Ld; and 3) heating the steel billet in the walking beam type heating furnace, and delivering the steel billet to a walking beam type heating furnace outlet by the heating furnace water beam according to the horizontal walking stroke of n(Ld+Ls)+Ld. With the method provided in the invention, under the precondition of not changing equipment and a heating process, the contact time of a same position on the steel billet and heel blocks can be decreased only by reasonably arranging the length of the water beam heel blocks, the space between the heel blocks and the water beam walking stroke, thus reaching the purpose of mitigating the water beam black mark.

The invention provides a pressure release condensation heat transfer system for a passive nuclear power station. The system includes a steam header connected to a main automatic dropping valve and a closed natural circulation loop; the closed natural circulation loop includes a passive steam condensate heat exchanger, a heat transfer loop pipeline, a passive heat exchanger outside the shell and a heat transfer medium. The steam header is in a containment; the top of the steam header is provided with a steam discharge pipeline; the bottom of steam header is provided with a condensate water discharge pipeline; the heat transfer loop pipeline runs through the steam header and the containment; the passive steam condensate heat exchanger is arranged in the steam header and communicated with the heat transfer loop pipeline; the passive heat exchanger outside the shell is arranged outside the containment and communicates with the heat transfer loop pipeline; and the heat transfer medium absorbs heat from the passive steam condensate heat exchanger and transfers the heat to the passive heat exchanger outside the shell through the heat transfer loop pipeline, thereby establishing the closed natural circulation to facilitate continuous removal of core waste heat produced by core residue fission in the case of an accident.

The embodiment of the invention provides a signal impairment compensation method, a signal impairment compensation device and an optical receiver. The method comprises the following steps of: in a training mode, inputting a training sequence signal into a neural network and training the neural network by using the training sequence signal so as to acquire a weight needed by the neural network in the compensation mode; and in the compensation mode, compensating a transmitted effective data signal by using the neural network according to the weight acquired in the training mode. In embodiment of the invention, signal impairment compensation can be performed without the changing of a network structure, a scheme structure is simple, and adaptive capability is achieved.

A composite medicine in which desloratadine is stabilized features that after desloratadine is mixed with medicinal auxiliaries, an antioxidizing agent is added to the mixture.