572results about How to "Promote research and development" patented technology

The invention belongs to the technical field of water treatment and particularly relates to a method and a system for advanced treatment of centralized rural domestic sewage. The treatment system comprises a hydrolytic acidification tank, a composite tower type ecological filter and a surface flow artificial wetland system. The treatment method comprises the following steps of: collecting sewage through a pipe network, allowing the sewage to enter the hydrolytic acidification tank which is a landfill tank, stabilizing and regulating the water quantity, and pumping the sewage into a high-position service reservoir by using a submersible electric pump with the head of more than 5m; distributing the domestic sewage of the hydrolytic acidification tank into the composite tower type ecological filter by strengthening water distribution measures, and removing organic pollutants, total nitrogen, ammonia nitrogen, total phosphorus and pathogenic microorganisms in the sewage; and allowing tail water and collected rainfall runoff to enter the artificial wetland system for advanced treatment. A good water environment landscape can be built for an artificial wetland; and the effluent reaches the first-grade A standard of discharge standard of pollutants for municipal wastewater treatment plant (GB18918-2002).

The invention discloses a preparation method of a cadmium selenide or cadmium sulfide two-dimensional monocrystal nanosheet. The method comprises the steps that the CdSe or CdS two-dimensional monocrystal nanosheet is prepared through a van der Waals epitaxial growth technology, the method is characterized in that a mica sheet which is smooth in surface and free of chemical dangling bond is adopted to serve as a substrate, CdCl2 powder or Se powder or S powder serves as a source material, argon serves as carrier gas, CdCl2 stream is reacted with Se or S steam to form CdSe or CdS steam at high temperature, and the steam is deposited on the mica sheet for nucleation and epitaxially grows into the CdSe or CdS two-dimensional monocrystal nanosheet. The preparation method of the cadmium selenide or cadmium sulfide two-dimensional monocrystal nanosheet is easy to operate, low in cost and strong in controllability, the obtained CdSe or CdS has the advantages of being good in size uniformity, high in degree of crystallinity and the like, and important research value and wide application prospect in the fields of solar cells, field effect transistors, photoelectric detectors, photocatalyses and the like are achieved.

The invention discloses a management device of a LINUX log, which is used in an embedded system comprising an application layer and a kernel. The management device comprises: an application layer log used for outputting user mode log information through an output function of the application layer log; a log transmission device for the application layer kernel used for transferring the user mode log information to the kernel; a kernel log used for outputting kernel mode log information through the output function of the kernel log; and a log output controlling device used for receiving the user mode log information that is output by the log transmission device for the application layer kernel and the kernel mode log information that is output by the kernel log respectively, and deploying, processing and outputting the log information. The invention also correspondingly discloses a management method of the LINUX log. In this way, the invention limberly deploys and switches various log output modes according to environments, and provides convenience to the research and development, the maintenance and the use of the embedded system.

The invention provides a method for preparing lactide continuously and particularly relates to the method for preparing the lactide continuously under the low temperature condition. Reaction mass is added continuously to enable lactic acid to be reacted continuously so as to generate low polymer and be depolymerized into cyclic dimmer. An advanced distillation and fusion crystallization coupled purification process is adopted, purity and yield of products are improved, and production cost is reduced.

The invention discloses a method for generating a symbol of a two-dimensional code label. Two symbols with obviously different colors are adopted to form the two-dimensional code label which takes the shape of a rectangle as a whole. The method of the invention further includes that a data location information symbol is arranged on a group of opposite sides of the rectangle so as to configure a direction location information symbol in a way asymmetric to the central point of the rectangle and also configures a data information symbol in an alignment way between the two opposite sides of the rectangle. The invention also discloses a device for generating a symbol of a two-dimension code label and the device comprise a label generation module, a label location module and a data generation module. In addition, the invention also discloses a two-dimension code label structure. The invention can compress the amount of control information to a maximum extent so as to provide a large data information space under the condition that all the functions of the control information of a two-dimension code can be realized.

The invention provides a flue gas desulfuration control system for large coal-fired power plant and comprises an imaginary machine part which is a flue gas desulfuration simulation platform, a DCS control system which comprises control points arranged at in-site in a scattered way as well as working stations, monitors, printers, data servers and dual redundant optical fiber circular communication networks used for interconnection of the components; a real electricity part which is a real electricity part for flue gas desulfurization simulation platform and comprises an in-site input signal collection system, an in-site measurement and control instrument and an executing mechanism for simulation platform output signal. In addition, the real electricity part collects simulation signal and state of device coherent with in-site signal and sends into the flue gas desulfuration simulation platform through the DCS control system for performance check and control operation, and then outputted signal gets into the executing mechanism through the DCS control system and control of real device is realized. The invention is good for research and development of process, new technology and electrically controlled device of large desulfuration device, and then effectively controls carbon dioxide pollution of atmosphere and protects environment.

The invention provides a constant volume bomb for a diesel spraying and burning visualization experiment. The constant volume bomb comprises a constant volume bomb body. The constant volume bomb body uses the circular-cake-shaped structure, the interior is hollow and used for forming the visualization experiment area, two sides of the circular cake are opened with visualization window holes and the end faces of the windows are pressed by sealing cover plates for sealing. The quartz glass is clamped between the body and the sealing cover plates. The upper end face is opened with a positioning hole for an oil sprayer installing base, and the unique design is suitable for use of various oil sprayers. The lower end face is opened with a positioning threaded hole for fixing the position of the constant volume bomb. The constant volume bomb body is radially opened with various installing through holes for installing various data collecting devices. The visualization spraying constant volume napalm bomb has the characteristics of simple structure, wide experiment area and transparent light path, and is capable of observing and measuring the spraying and burning processes through cooperating the schlieren method and the laser-induced fluorescence technology, remarkably improving the experiment efficiency, performing the spraying feature test to different oil sprayers and improving the adaptability of the spraying constant volume test bomb.

The invention belongs to the field of the construction of civil architectures, and in particular relates to a method for mounting coolant pipes of an air conditioning system, which comprises: a first step of making preparations for the construction; a second step of machining copper pipes; a third step of braze-welding and connecting the copper pipes; a fourth step of laying the copper pipes; a fifth step of washing the copper pipes; a sixth step of performing airtight test; a seventh step of realizing the temperature preservation of a pipeline; an eighth step of vacuum-drying the pipeline system; a ninth step of supplementing a coolant; and a tenth step of performing pre-operation. In the invention, the copper pipes have the characteristics of bacteria growth inhibition, corrosion resistance, durability and long service life; and the method has the advantages of capacity of effectively improving a construction progress, relatively shorter construction period, and simple operation andconvenient maintenance because only a tube flaring kit, a pipe expander and a cutter are needed when the copper pipes are maintained, meets national requirements on energy-saving engineering and is favorable for promoting the research, development, integration and large-scale application of matching technology combining renewable energy sources and the architectures.

The present invention relates to genes of the Pichia pastoris expression codon-optimized main capsid protein L1 of human papilloma virus types 52,31 and 45, a vector containing the genes, a strain, a preparation method, and an expression method thereof.

The invention discloses a method for hiding natural language information, which is used for hiding secret information through a natural language information platform of a computer. By extracting the traditional method for hiding the natural language information, the integral framework of the method for hiding the natural language information is provided and various traditional carrier transform technologies are comprehensively utilized; compared with the method for embedding/extracting the secrete information by adopting a single algorithm, the method for hiding the natural language information can be used for effectively improving the capacity of a text for embedding the secrete information; meanwhile, according to the method for hiding the natural language information, different algorithms can be selected for combination and the solution is flexibly organized to be embeded/extracted and the effective solutions can be flexibly collocated and selected according to specific applicationcontexts. Due to the abstraction and the unification for the traditional algorithm, the method also facilitates the multiplexing of codes.

The invention provides a universal gateway architecture for interconnecting a family network and an external network, which mainly comprises an external network access module, a coordinated control module, a family network equipment interface module and an information library, wherein, the external network access module consists of a signaling proxy, a data proxy and a management proxy, the coordinated control module consists of an information extraction and fusion device, a library manager, an implementation controller, a signaling adapter, a data adapter and a management adapter, and the family network interface module consists of a data media sub-network proxy, a communication sub-network proxy, a home appliance sub-network proxy, an information library collection time-varying device, abusiness and network environment and other related information. The adoption of the universal gateway architecture can shield the heterogeneous of the family network, facilitate the equipment management of the family network, the business implementation, the customization of user using rules and other related works, and provide the universal gateway architecture for interconnecting the family network and the external network.

The invention relates to a channel allocable power distribution automatization station terminal and an allocation method, relates to data acquisition and control equipment in power distribution equipment of a power grid, and especially relates to a station terminal matched with the power distribution equipment such as switching stations, power distribution chambers, ring net cabinets and tank type transformer substations. The terminal is connected with a connecting mother board, functional modules are inserted in and connected with the connecting mother board, each functional module is provided with multiple channels which are separately allocated, the quantity of the functional modules on the connecting mother board is allocated according to the need, and the corresponding function of each module is started through software setting. Once designed and researched, the channel allocable power distribution automatization station terminal can meet most of application locations, the efficiency is improved, and the cost is reduced.

The invention discloses an analysis and test system and a test method for the junction temperature of a semiconductor lamp. The system comprises a radiation power tester, an electrical parameter generating and measuring apparatus, a temperature tester, a variable-environment lamp test integrating sphere, a test reference point and light source module temperature distribution computing module, a light source module thermal resistance distribution and junction temperature computing module, a multi-working point optimization and analysis module and a central monitoring and processing computer. The test system provided by the invention can effectively test the junction temperature distribution of the lamp under conditions of normal working state of the semiconductor lamp and no damage to the structure of the lamp. The system is formed based on a concept that: the whole semiconductor lamp is used as an object of study, a proper part of a light module is used as a test reference point, and the junction temperature of the semiconductor lamp is analyzed by a method combining physical test, a numerical model, a physical model and computer thermal test.

The invention belongs to the field of bioinformatics, and discloses a new coronavirus target prediction and drug discovery method based on graph representation learning, which comprises the followingsteps of: constructing a heterogeneous network comprising action relationships among drugs, targets, side effects and diseases, and integrating topological structure information of the heterogeneous network and various fields of the heterogeneous network by using a graph convolutional neural network, combining an attention mechanism to reflect the importance degree of different types of neighborhood information to nodes, further learning the feature representation of the nodes, establishing a topological reconstruction process, and finally forcibly extracting the feature representation of drugs and targets through the topological reconstruction process to obtain a relocation network of which the edge weight represents the action intensity of the relationship. The target of the novel coronavirus is predicted according to the potential relationship of individual drugs for inhibiting the novel coronavirus in the relocation network, and the drugs for possibly inhibiting the novel coronavirus are picked out. In this way, the drugs capable of inhibiting the novel coronavirus can be effectively screened out, drug research and development are accelerated, and very important application andpopularization value is achieved.

The invention discloses a true type power distribution network multi-state complex fault simulation test platform and a test method thereof. The test platform includes a network frame, a complex faultsimulator, an adjustable load and a power distribution network equipment access device, the network frame includes an overhead wire network frame, a cable network frame and an overhead cable mixed network frame, the overhead wire network frame includes overhead wires, the cable network frame includes cable lines, the overhead wires and the cable lines are connected with the fault simulator, the adjustable load, and the power distribution network equipment access device correspondingly, and neutral point grounding devices are installed on the overhead wires and the cable lines correspondingly.The invention further discloses the test method of the test platform. According to the true type power distribution network multi-state complex fault simulation test platform and the test method thereof, an actual physical model using the real electric transmission line, power distribution equipment and typical network frame structures is constructed, the power distribution network operation state is really simulated, and various power distribution network complex faults are reproduced on the actual physical model, so that the accuracy of function verification of power distribution automationterminal equipment is improved.

The invention belongs to the technical field of electronics, and particularly relates to a method and system for upgrading different display screens through the same software. The method includes operating upgrading software when equipment is started and reading values in an EEPROM (electrically erasable programmable readonly memory); determining starting situations of the equipment, changing the values when normal to allow the corresponding model number to be consistent with the model model of the equipment; when the starting situation is abnormal, changing the values forcibly and rewriting to the EEPROM to read; after the equipment is reset, determining the storing positions of interrupted screen parameters in a backup area according to the values and copying to an operation area; loading screen parameters, and allowing the equipment to display normally. By the aid of the method, the problems that when display equipment adopt same core, different types are produced according to display screens with different sizes, software with different types is needed to compile to configure display screen parameters, and accordingly development and production of products and big troubles are produced by maintenance after the products placed on the market are solved.

The invention discloses FISH probe groups for detecting a novel coronavirus SARS-CoV-2. The probe groups comprise at least two fluorescent probe groups among a first fluorescent probe group taking anS gene as a target, a second fluorescent probe group taking an E gene as a target, a third fluorescent probe group taking an M gene as a target, a fourth fluorescent probe group taking an ORF 3a geneas a target, a fifth fluorescent probe group taking an N gene as a target, and a sixth fluorescent probe group taking an ORF 1ab gene as a target. In the at least two fluorescence probe groups, fluorescence molecules labeled by at least one fluorescence probe group have a fluorescence emission spectrum different from that of the other fluorescence probe groups. The FISH probe groups have high specificity and sensitivity, can realize positioning detection of SARS-CoV-2 in a to-be-detected sample, obtain the distribution and relative quantification conditions of the SARS-CoV-2, are an effectivesupplement for novel coronavirus nucleic acid detection, and have important clinical application value.

This invention relates to a mobile terminal with dismantled and changed function modules and its used function module, in which, one or several clamp notches and interfaces for inserting multifunctional modules are added to the mobile terminal on the basis of ordinary mobile terminals and users can take down and replace the module according to the needs to change the additional function of the mobile terminal to realize that users can design it freely and provide users cheaper mobile terminals with the upgrade character, such as support infrared module, storage modules, sound effect process modules, attached multimedia process modules, loudspeakers and charge circuit. This invention also defines the used function module and the working system for its used functional module and multifunction module.

The invention provides an experimental system and method for simulating charge accumulation on the surface of a gas solid in different kinds of gas at different temperatures aiming at the defect of an existing device for simulating charge accumulation on the surface of an insulator in an SF6 environment. The temperature of an experimental electrode can be accurately controlled, the state of charge accumulation on the surface of the insulator at the different temperatures is simulated, influence on flash-over voltage of the surface from charge distribution on the surface of the insulator is studied, and the reliable experimental foundation is provided for intensive study of charge accumulation on the surface of the insulator.

A visual crack device for simulating crack closure and leak-off and a working method thereof are disclosed. The visual crack device includes: a visual crack simulation plate, a fracturing fluid pump,and a fracturing fluid tank which are connected to from a circulation loop through a fracturing main pipeline; and a sand mixing liquid tank which is connected to the fracturing main pipeline betweena discharging opening of the fracturing fluid tank and the fracturing fluid pump through a branch pipeline; the exterior of the crack simulation plate is a rectangular container, and the interior of the crack simulation plate is divided into three layers by two flat plates; a simulation fracturing crack is arranged between the flat plates; a reservoir simulation space is formed between one flat plate and the rectangular container; stress simulation driving devices are arranged on outer surfaces of the flat plates; leak-off holes are formed in the flat plates; a fluid outlet of the rectangularcontainer is positioned on the bottom of the reservoir simulation space, and is connected to a circulating inlet of the fracturing fluid tank; one end of a shaft is connected to the fracturing main pipeline, and the other end of the shaft is positioned in the fracturing crack; and perforation holes are distributed in the surface of the shaft. The visual crack device completes the leak-off function, can achieve crack closure and re-opening, and can improve the accuracy of the experimental results.