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37results about How to "Quick introduction" patented technology

Service assemblage based on MVC and method for page moulding development WEB platform

A method of MVC-based service assembly and page development WEB is based on MVC design mode, the M layer is realized by JavaBean, EJB, and Tuxdeo, the V layer is realized by HTML, the C layer is realized by page type, so as to completely separate pages and the logic; a page template is based on HTML extended tags and extended attributes to express the logic, the tags can be added in the HTML to express effects of dynamic pages; a component-based method: other components can be nested and used in a component template; the component is a part of the page template, which can generate a part of HTML codes during operation; all the attributes in the component are provided in a component configuration file, the attributes not provided in the component configuration file can be considered as html attributes for use; concrete steps on function point development of the page module are included.
Owner:ASIAINFO TECH NANJING

Air-conditioner

The invention discloses an air conditioner which comprises a machine shell and a heat exchange device, wherein the machine shell is provided with an air outlet; the machine shell is internally provided with a heat exchange air duct and a fresh air duct; an outlet of the heat exchange air duct and an outlet of the fresh air duct are both formed in the air outlet, so that out-flowing air of the fresh air duct and out-flowing air of the heat exchange air duct are mixed on the inner side of the air outlet and are jointly sent out through the air outlet; and the heat exchange device is arranged inthe machine shell and exchanges heat with air flow flowing into the heat exchange air duct. The air conditioner has good cooling and heating effects, the user experience comfort degree is improved, and the processing procedure of the machine shell is simplified.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Methods and devices for sorting score calculation and model building, and commodity recommendation system

The application discloses a method and device for sorting score calculation of an object to be evaluated, a method and device for building a sorting score calculation model, and a commodity recommendation system. The method for calculating the sorting score of the object to be evaluated comprises the following steps of acquiring original rating data of the object to be evaluated, a value of a newly-added sorting factor and actual behavior data extracted from historical behavior data of an actual interaction behavior system; figuring out a weight coefficient of the newly-added sorting factor in the sorting score calculation model according to actual sorting distribution obtained from the actual behavior data and the minimum difference, set in advance of the sorting score calculation module, among forecast sorting distributions as an optimization target; and calculating the sorting score of the object to be evaluated by using the sorting score calculation module. With the method provided by the application, the newly-added sorting factor can be rapidly and conveniently introduced, and moreover, the calculated sorting score can be used for objectively and accurately forecasting and sorting status of the object to be evaluated.
Owner:ALIBABA GRP HLDG LTD

Vehicle-mounted equipment information display method and system

The invention discloses a vehicle-mounted equipment information display method and system. The method comprises the following steps that vehicle-mounted equipment or a mobile terminal is used for sending request commands; the mobile terminal makes corresponding processing according to the request commands, corresponding data is generated, and the data is pushed to vehicle-mounted equipment after being encoded; the vehicle-mounted equipment receives data sent by the mobile terminal, resolves the data according to a set protocol, and then runs the corresponding application on the vehicle-mounted equipment according to the resolved data; a first application program shows a first interface on the mobile terminal, when the vehicle-mounted equipment runs the first application program at the same moment, a display unit displays a second interface different from the first interface on the vehicle-mounted equipment according to the data sent by the mobile terminal. The method and the system have the advantages that the applications on the vehicle-mounted equipment and the mobile terminal can realize the two-way information communication and interaction, the man-machine interaction interface of safe driving can be displayed on the vehicle-mounted terminal, and the application on the mobile terminal can be controlled, so that new application can be fast and flexibly introduced onto the vehicle-mounted terminal at low cost.
Owner:TELEMATICS SHANGHAI NETWORK TECH

Pest trapping and monitoring device

The invention discloses a pest trapping and monitoring device. The pest trapping and monitoring device comprises a pest trapping body, the pest trapping body is provided with an inner cavity and a pest trapping lid, the pest trapping body and the pest trapping lid are both provided with pest trapping holes communicated with the inner cavity, a counting device is arranged in the inner cavity, the pest trapping monitoring device further comprises a control terminal used for being placed outside a warehouse and a display device used for displaying data, and the counting device and the display device are in mutual communication with the control terminal separately. The pest trapping and monitoring device can be conveniently arranged in places like a grain warehouse, a tobacco warehouse, a medicine material warehouse, a grain and oil processing factory and a feed factory to comprehensively monitor pests so that monitoring personnel cannot only save the time and lower the work intensity, but also adopt a more reasonable and more effective prevention and control scheme, optimize the actual effect of pest prevention and control, and reduce unnecessary waste.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Method, control system, and movement setting means for controlling the movements of articulated arms of an industrial robot

The invention relates to a method for controlling the movements of articulated arms (21, 22, 23) of an industrial robot (2) using a movement setting means (3), wherein the movement setting means (3) is held by an operator in a predefined position relative to a reference mark (19, 19', 19") and the reference mark (19) is detected by the movement setting means and optionally read (16), and the distance (17) thereof to the reference mark is measured. The position and the alignment of the movement setting means (3) is detected by internal sensors (9), e.g. inertial / acceleration sensors, or by external sensors (30, 31, 32), e.g. 3D camera. Upon satisfying the coupling condition (25), the industrial robot or individual articulated arms thereof are coupled virtually to the movement setting meansand follow its movements, as if a fixed or rigid or flexible mechanical coupling had been established with respect to the industrial robot. In addition, a haptic feedback to the operator can be provided by a mechanical coupling of the movement setting means to an articulated arm of the industrial robot.
Owner:KEBA GMBH & CO

Method and system for changing IP flow protocol stack

The invention provides a method and a system for changing an IP flow protocol stack. The method comprises the following steps: acquiring a conversion list from a DNS control server and storing the conversion list when an IPv4 / IPv6 dual stack host initiates IPv4 information source domain name inquiry, and storing the corresponding relation of an IPv4 information source domain name to be converted and an IPv4 / IPv6 dual stack proxy server in the conversion list; searching the IPv6 address of the IPv4 / IPv6 dual stack proxy server which corresponds to the IPv4 information source domain name to be inquired, taking the address as the IPv6 address of an IPv4 information source, and initiating the request for acquiring the IPv4 information source by the IPv4 / IPv6 dual stack host to the IPv4 / IPv6 dual stack proxy server; acquiring the information from the IPv4 information source by the IPv4 / IPv6 dual stack proxy server, and returning an IP flow to the IPv4 / IPv6 dual stack host through an IPv6 network. The invention introduces a large quantity of IPv4 information sources into the IPv6 network.
Owner:CHINA TELECOM CORP LTD

Starching device applied based on glass fiber yarn

The invention discloses a starching device applied based on glass fiber yarn. The starching device comprises a supporting table, supporting feet are mounted on the bottom of the supporting table, a starching pipe of a U-shaped structure is mounted on the top of the supporting table, the bottom of the starching pipe is provided with a sediment chamber of a spherical structure, the sediment chambercommunicates with the starching pipe, a telescopic plate is mounted in the sediment chamber and comprises a first connecting plate, a first elastic part and a second connecting plate, one end of the second connecting plate is connected with the inner bottom of the sediment chamber, the other end of the second connecting plate is connected with the first elastic part, one end of the first connecting plate is connected with the first elastic part, the other end of the first connecting plate extends into the starching pipe, guide grooves are formed in the inner wall of the starching pipe, the guide grooves are distributed in the long arc direction of the starching pipe, a movable plate with the radian the same with the starching pipe is further included, the movable plate is provided with sliding blocks matched with the guide grooves, the sliding blocks are distributed in the arc length direction of the movable plate, the sliding blocks can be inserted into the guide grooves, scraping plates of arc structures are mounted on the two sides of the movable plate, and the movable plate is provided with a ring.
Owner:台嘉成都玻纤有限公司

Live broadcast technology-based investment attraction service platform and investment attraction method using same

The invention provides a live broadcast technology-based investment attraction service platform, which comprises client mobile phone software, a management system and a cloud server, and the client mobile phone software comprises the following modules: a business opportunity display module; a live broadcast module; a course module; a consultation module; a message pushing module; the management system comprises the following modules: a customer management module; a sales clue management module; a transaction management module; a customer service management module; a business opportunity management module 13; and a live broadcast management module 14. The invention also discloses a method for investment attraction by using the investment attraction service platform of the live broadcast technology. Compared with the prior art, the method has the advantages that the cost is low, offline investment attraction is replaced with the live broadcast technology, the investment attraction cost is reduced, and expenditure for inviting customers is omitted; display is visual and comprehensive, and clients can visually know project prospects and industry backgrounds of investment attraction projects through 360-degree panorama, data and explanation of professionals; communication is direct, and efficiency is higher.
Owner:苏州生意港数字科技有限公司

Method for synthesizing alpha, beta-unsaturated amide compound through visible light catalysis

The invention discloses a method for synthesizing an alpha,beta-unsaturated amide compound through visible light catalysis, and belongs to the technical field of organic synthesis. The method comprises the following synthesis steps: subjecting a phenylethylene compound and a formamide compound to a reaction under the conditions of a nitrogen atmosphere and a temperature and under the actions of visible light radiation and synergistic effects of an oxidant and a photocatalyst, and carrying out extracting, drying, concentrating and purifying so as to obtain the alpha,beta-unsaturated amide compound. The method provided by the invention has the advantages of simple and easily-available raw materials, stable chemical properties, mild reaction conditions, simple operation, strong substrate applicability and the like, can be widely applied to drug synthesis and organic molecule synthesis, and has wide industrial application prospects.
Owner:MINNAN NORMAL UNIV

Polyhedral oligomeric silsesquioxane (POSS)-containing alpha-amino triethoxy silane as well as preparation method and application thereof

The invention relates to POSS (polyhedral oligomeric silsesquioxane)-containing alpha-amino triethoxy silane and a preparation method and application thereof, and the POSS-containing alpha-amino triethoxy silane has a structure as shown in the following formula I. According to the invention, chloromethyl trichlorosilane, which is a by-product of industrial preparation of dimethyldichlorosilane, is used as a raw material, and a target product with high purity and higher yield is prepared by a simple and mild method; and the prepared POSS-containing alpha-amino triethoxy silane is used as a cross-linking agent or a reinforcing curing agent, and is quickly hydrolyzed and cross-linked with a hydroxyl group under the conditions of no catalyst and room temperature, so that a cage structure of polysilsesquioxane is introduced into the material, and the mechanical property and the thermal stability of the modified material are improved.
Owner:SHANDONG UNIV

Epoxy resin self-leveling anti-static floor

The invention discloses an epoxy resin self-leveling antistatic floor, which comprises a concrete base layer, a primer layer, a putty layer and a top coat layer are sequentially arranged above the concrete base layer, and the top coat layer is made of epoxy self-leveling antistatic floor. The electrostatic topcoat is sprayed by a spraying machine, which makes the surface of the floor smooth and beautiful, and can achieve a mirror effect. There is also a mid-coat mortar layer between the base coat and the putty layer, and a mortar layer between the putty layer and the top coat. The sealing layer, by setting the intermediate coating mortar layer, greatly improves the impact resistance and heavy pressure resistance of the floor, making it have good mechanical properties, and the lower end of the mortar layer is provided with a grounding copper grid, so that the floor can be The static charge is quickly introduced into the ground, and the antistatic effect is durable, so that the present invention has high practicability.
Owner:张子亮

Method for assembling a water pump

The invention relates to a method for assembling a water pump (2) having an impeller (28), driven by an electrical machine, the water pump comprising a housing cover (41), a spiral housing (10), whichhas an inlet (12) and an outlet (14), a sleeve (20), in which a stator (24) and a rotor (26) of the electrical machine are accommodated, and an electronic circuit board (40), which is mounted on theside away from the pump wheel (28) and is covered by the cover housing (41), the sleeve (20) having a radially extending edge (43), which comprises at least slits (44), said method being defined by the following steps: connecting the spiral housing (10) to the sleeve (20) by inserting axial hooks (11) into the slits (44) of the sleeve, rotating the spiral housing (10) relative to the sleeve (20) in order to fasten the axial hooks (11), inserting radial hooks (45) of the cover housing (41) into the same slits (44).
Owner:HANON SYST EFP DEUT GMBH

HBV phenotype drug resistance detection kit and preparation method thereof

The invention discloses a HBV phenotype drug resistance detection kit, which comprises a recombinant entry vector pcDNA6.2-HBV1.1-sapI capable of replacing a HBV1.0 fragment and a double expression vector pcDNA5AP-attR having secreted alkaline phosphatase, wherein a base sequence of the recombinant entry vector pcDNA6.2-HBV1.1-sapI is represented by SEQ ID No.4, and a base sequence of the double expression vector pcDNA5AP-attR is represented by SEQ ID No.6. The drug resistance detection kit mainly comprises a set of an expression vector system based on GatewayTM recombination, wherein the recombination system has the following characteristics that: limitation of restriction endonuclease sites on clone can be avoided, a target fragment can be rapidly and correctly introduced into an expression vector, and a culture medium supernatant can be adopted to carry out chemiluminescence quantitative detection, such that sensitivity is high, quantification and calibration can be performed according to the standard alkaline phosphatase control, and operation is convenient and stable.
Owner:盛世菁华(北京)生物科技有限公司

A sizing device based on the application of glass fiber yarn

The invention discloses a sizing device based on the application of glass fiber yarn, comprising a support platform, the bottom of the support platform is provided with support feet, the top of the support platform is provided with a U-shaped sizing pipe, and the bottom of the sizing pipe has a spherical structure The settling chamber is connected with the sizing pipe, and the settling chamber is provided with a telescopic plate, which includes a first connecting plate, a first elastic member and a second connecting plate, one end of the second connecting plate is connected with the inner bottom of the settling chamber, and the other One end is connected to the first elastic member, one end of the first connecting plate is connected to the first elastic member, and the other end extends into the sizing pipe, the inner wall of the sizing pipe is provided with guide grooves, and the guide grooves are distributed along the long arc direction of the sizing pipe; Including the movable plate with the same radian as the sizing pipe, the movable plate is provided with sliders matching the guide grooves, the sliders are distributed along the arc length direction of the movable plate, the sliders can be inserted into the guide grooves, and both sides of the movable plate are equipped with A scraper with an arc-shaped structure, and a circular ring is also arranged on the movable plate.
Owner:台嘉成都玻纤有限公司

Short message APP integrated community system

PendingCN111754269AImprove interoperabilityRaise activityMarketingCommunity systemSocial community
The invention relates to the technical field of social community systems and particularly relates to a short message APP integrated community system. The system is characterized by comprising a developer server, the developer server comprises a login-free module, an event notification module and a notification module, the output end of the login-free module is connected to the input end of a corecommunity forum system, and the output end of the core community forum system is connected to the input ends of the event notification module and the notification module. The system is software capable of enabling a native APP to access a community with a complete function in extreme time; docking through system interfaces, any APP (Android, IOS) can be enabled to display an online community; according to the method and the system, user data intercommunication is realized, any behavior of the user in the community is issued to the host APP by the system in the form of an event, the method andthe system are mainly applied to various tool APPs, and after the APPs are accessed to the community, the APPs can be quickly introduced into a content management team, the activity of the APPs is improved through content operation, and the user retention is improved.
Owner:嘉兴想天信息科技有限公司

Novel armored metal-enclosed high-voltage switch device

The invention discloses a novel armored metal-enclosed high-voltage switch device, and relates to the technical field of power facilities. The device comprises a cabinet body, a cabinet door, instruments, buttons, a handle and a supporting plate. A cabinet door and a supporting plate are arranged on the cabinet body. An instrument, a button and a handle are arranged on the cabinet door. The cabinet body is composed of a shell, supporting legs and a back plate, the supporting legs and the back plate are arranged on the shell, the supporting plate is composed of a fixing frame, a conductive rod,a fixing rod and a fixing block, the fixing frame is provided with the conductive rod and the fixing block, the fixing block is provided with the fixing rod, the back plate is composed of a connecting plate, a conductive plate and a cover plate, and the connecting plate is provided with the conductive plate. The high-voltage switch device is high in practicability and very convenient to use, fault electric arcs can be rapidly led into the ground, normal work of internal power equipment is kept, workers can conveniently install and maintain electronic device in the cabinet, the workload of theworkers is reduced, and the labor intensity of the workers is reduced.
Owner:江苏华峰电器控制设备有限公司

HBV phenotype drug resistance detection kit and preparation method thereof

The invention discloses a HBV phenotype drug resistance detection kit, which includes a recombination entry vector pcDNA6.2-HBV1.1-sapI vector capable of replacing HBV1.0 fragments, and its base sequence is as shown in SEQ ID No.4 Shown, and the dual expression vector pcDNA5AP-attR vector with secretory alkaline phosphatase, its base sequence is shown in SEQ ID No.6. The drug resistance detection kit provided by the present invention mainly includes a set of expression vector system based on GatewayTM recombination. This recombination system avoids the restriction of restriction endonuclease sites on cloning, and can quickly and correctly introduce the target fragment into the expression vector. In addition, the medium supernatant can be used for chemiluminescent quantitative detection, which not only has high sensitivity, but also can be quantified and calibrated according to the standard alkaline phosphatase control, and the operation is simple and stable.
Owner:盛世菁华(北京)生物科技有限公司

A Greening System for Highway Slope

The invention discloses a highway slope greening system. The highway slope greening system comprises a slope body and a plurality of prefabricated blocks arranged on the slope body. The prefabricatedblocks are annular, and plants are planted in the prefabricated blocks; water storage tanks are arranged in the slope body below the prefabricated blocks; and openings of the water storage tanks are disposed upward. The highway slope greening system changes the structure of the slope to make it easier to accumulate water sources, so that the plants on the slope are less likely to die.
Owner:扬州科丰高新产业投资开发集团有限公司

Electric tower grounding device

The invention relates to the technical field of electric tower grounding, and discloses an electric tower grounding device which comprises an upper grounding assembly, a grounding carbon rod and a lower grounding assembly. The upper grounding assembly comprises an upper grounding ring, a plurality of connecting rings and a plurality of first mounting sleeves, the connecting rings are welded to the inner side face of the upper grounding ring and located at the corners of the inner side face of the upper grounding ring, and the first mounting sleeves are fixed to the lower surface of the upper grounding ring; grounding carbon rods are in one-to-one correspondence with the first mounting sleeves, and the top ends of the grounding carbon rods are connected with the first mounting sleeves; and the lower grounding assemblies are in one-to-one correspondence with the grounding carbon rods, and the lower grounding assemblies are installed at the bottom ends of the grounding carbon rods. The upper grounding assembly guides thunder and lightning to the lower grounding assembly through the grounding carbon rod, the grounding resistance between the upper grounding assembly and the lower grounding assembly is reduced, and it is ensured that thunder and lightning current is rapidly led into the ground when thunder damage occurs.
Owner:HUANENG TONGLIAO WIND POWER CO LTD

Contact wrapping type arc striking structure and contact mechanism

The invention discloses a contact wrapping type arc striking structure and a contact mechanism. The structure is characterized in that an end tab matched with the structure of the contact plate is fixed on the contact plate, the end tab is made of ferromagnetic materials, a wrapping opening is formed in the end tab, and the contact is correspondingly arranged on the inner side of the wrapping opening. The structure has the advantages that the contact is arranged on the inner side of the wrapping opening, so that the contact is wrapped by the arc striking plate, the periphery of the contact isprotected by magnetic field force, an electric arc can be pushed away under the action of a magnetic field, the contact is protected, the electric arc damage is reduced, the arc striking plate is matched with the contact plate in structure, and the arc striking plate can be flush with a contact angle as much as possible. Therefore, the arc curve is prevented from moving, the arc can smoothly movealong the end tab, the arc is rapidly led into the arc extinguishing device, the breaking index of the circuit breaker is effectively improved, and the electrified service life of the contact is effectively prolonged.
Owner:SOUTHELEC CO LTD

Method and device for quickly introducing business data

The application discloses a method for rapidly introducing business data. The method comprises the following steps: receiving business data encapsulated according to a prescribed format; acquiring data information reflecting business attributes from the business data according to the prescribed format; storing all data information acquired in a memory system adopting a key-value structure. The application further provides a device for rapidly introducing business data. With the method provided by the application, business data can be rapidly introduced into an application, development resources are saved, and software development and later maintenance efficiency is improved.
Owner:ADVANCED NEW TECH CO LTD

Sound-muffling smoke exhauster

The invention relates to a sound-muffling smoke exhauster. The sound-muffling smoke exhauster comprises a shell and a volute, wherein the volute is arranged in the shell, the lower end of the shell is provided with an inlet, and an outlet is formed in the upper end of the shell; the volute is internally provided with a motor and an impeller, one side end of the volute is provided with an air inlet, an air outlet is formed in the upper end of the volute, the air outlet is communicated with an outlet of the shell and the inner wall of the air inlet of the volute corresponding to the shell is provided with a sound-muffling plate; the volute is obliquely arranged in the shell, the silencing plate is arranged on the inner wall of the shell, an acute angled air opening is formed between one side of the air inlet of the volute and the sound-muffling plate, and the air opening is downwards formed; the sound-muffling plate is additionally arranged, and the acute angled air opening is formed in one side of the sound-muffling plate and the air inlet of the volute, so that the air current entering the shell can be quickly introduced into the volute, the noise can be reduced by depending on the sound-muffling plate, and the silencing function of the whole smoke exhauster can be improved.
Owner:SUZHOU SILUOLAI AUTOMATIC EQUIP

Service assemblage based on MVC and method for page moulding development WEB platform

MVC-based business assembly and page development WEB method, based on the MVC design pattern, the M layer is realized by JavaBean, EJB, Tuxdeo, the V layer is realized by HTML, and the C layer is realized by the page class, which completely separates the page from the logic; the page is templated , based on HTML extended tags and extended attributes to express logic, just add tags in HTML to express dynamic page effects; based on components: other components can be nested in component templates; components are part of page templates, in Part of the HTML code is generated at runtime; all attributes in the component are provided in the component configuration file, and the attributes not provided in the component configuration file will be used as html attributes; including the specific steps for the development of page module function points.
Owner:ASIAINFO TECH NANJING

A kind of sterilizing and antifouling melt-blown cloth and its processing technology

ActiveCN112064348BExcellent antibacterial and antifouling propertiesEasy to operateBiochemical fibre treatmentFibre typesPolymer scienceSurgical Gowns
The invention discloses a bactericidal and antifouling melt-blown cloth and a processing technology thereof. The melt-blown cloth is immersed in a mixed solution of a quaternary ammonium salt monomer, a zwitterionic monomer and an initiator, and then dried; the dried melt-blown cloth is arranged The polymerization reaction is carried out under the excitation source of the polymerization reaction, washed and dried to obtain a sterilized antifouling melt-blown cloth. The method of the present invention is simple to operate, only one step is needed to quickly realize the simultaneous occurrence of material activation and modification on simple equipment, and it is easy to industrialize, and the prepared sterilizing and antifouling melt-blown cloth has higher sterilization and long-term efficacy and stability, and is easy to use It is safe and can be used in various fields, such as surgical gowns, masks, isolation gowns, masks and gloves, wall coverings, bed sheets and bedspreads, clothing, etc.
Owner:INST OF EARTH ENVIRONMENT CHINESE ACAD OF SCI +1

Internet of things miniature circuit breaker

The invention relates to an internet of things miniature circuit breaker which comprises a shell, a circuit breaker unit, an electric operating mechanism and an intelligent control circuit board, and is characterized in that the circuit breaker unit comprises an operating mechanism, an L-line contact assembly, an N-line contact assembly and a bimetallic strip tripping mechanism, and the operating mechanism comprises an operating handle, a support, a tension spring, a lock catch, a torsion spring and a jump pin; a pull rod is arranged between the jump pin and the operation handle and forms the linkage matching of the jump pin and the operation handle, the L-line contact assembly comprises an L-line moving contact and an L-line static contact, and a first torsion spring is arranged between the L-line moving contact and the support; the N-line contact assembly comprises an N-line moving contact arranged at the other side of the support in a linkage mode and an N-line static contact matched with the N-line moving contact, a second torsional spring is arranged between the N-line moving contact and the support, and a double-coil electromagnetic tripping mechanism matched with the lock catch is arranged in the shell. The internet of things miniature circuit breaker of the invention has the advantages of simple structure, stable and reliable performance, small volume and high breaking capacity.
Owner:泛联电气科技(温州)有限公司

Safety device for air separation low-temperature liquid discharging system

The invention discloses a safety device for an air separation low-temperature liquid discharging system, and belongs to the technical field of low-temperature liquid discharging in air separation of a cryogenic method. The safety device for the air separation low-temperature liquid discharging system comprises a residual liquid pit, cobblestones, a drainage inlet pipeline, a reducing four-way device, a drainage outlet pipeline and a water sealing well, wherein the residual liquid pit is filled with the cobblestones, the head of the drainage inlet pipeline extends below the residual liquid pit, a middle pipeline is buried and laid, the tail is connected with an inlet of the reducing four-way device, an outlet is connected with the head of the drainage outlet pipeline, and the tail is connected to a factory drainage system; the reducing four-way device 4 has a safe water sealing effect and is arranged in the water sealing well. The safety device for the air separation low-temperature liquid discharging system has the advantages that the safe and stable operation of an air separation drainage system can be ensured, steam condensate water and rainwater can be collected and quickly introduced into the drainage system, the situation that low-temperature liquid automatically flows to a drainage ditch can be prevented, potential safety hazards in production are solved, and the safe production of an air separation device area and a low-temperature liquid storage tank area is ensured.
Owner:BEIJING SHOUGANG INT ENG TECH

Method and system for changing IP flow protocol stack

The invention provides a method and a system for changing an IP flow protocol stack. The method comprises the following steps: acquiring a conversion list from a DNS control server and storing the conversion list when an IPv4 / IPv6 dual stack host initiates IPv4 information source domain name inquiry, and storing the corresponding relation of an IPv4 information source domain name to be converted and an IPv4 / IPv6 dual stack proxy server in the conversion list; searching the IPv6 address of the IPv4 / IPv6 dual stack proxy server which corresponds to the IPv4 information source domain name to be inquired, taking the address as the IPv6 address of an IPv4 information source, and initiating the request for acquiring the IPv4 information source by the IPv4 / IPv6 dual stack host to the IPv4 / IPv6 dual stack proxy server; acquiring the information from the IPv4 information source by the IPv4 / IPv6 dual stack proxy server, and returning an IP flow to the IPv4 / IPv6 dual stack host through an IPv6 network. The invention introduces a large quantity of IPv4 information sources into the IPv6 network.
Owner:CHINA TELECOM CORP LTD
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