35results about How to "Prospects for promotion and application are good" patented technology

The invention discloses passive finding equipment and a passive finding method based on sniffing and fingerprint technology of network topology. The equipment comprises sniffing devices and a management device, wherein a plurality of sniffing devices are arranged in a network to be found, are directly connected with a host computer of each subnet host exchange, acquire all network element information and routing information from a subnet data packet and transmit the element information and the routing information serving as topology finding information to the management device; and the management device is arranged on any host computer which is not provided with any sniffing device, and is used for managing, summarizing and analyzing the sniffing devices and information acquired by the sniffing devices and drawing and displaying a network topology diagram of the entire network to be found. In the method, topology is found in a passive mode, so that additional data load on the network in a finding period is greatly lowered, and an acquired network data packet is a practical communication action and is correct and reliable. A network topology finding process can be controlled flexibly; through manual setting of the management device, start and stop of all sniffing devices can be controlled conveniently and flexibly; and the equipment and the method have good popularization prospects.

The invention discloses a method for preparing a carbon microsphere adsorbent under catalysis of metal salt with a low-temperature hydrothermal method. The method comprises steps as follows: (1) a biomass solution with the concentration being 2wt%-20wt% and a metal salt solution with the concentration being 0.5wt%-2wt% are prepared, then mixed in the mass ratio being (2-5):1 and stirred for 5-10 min, and a reaction solution is obtained; (2) the reaction solution is transferred to a stainless steel reaction kettle, the volume of the reaction solution accounts for 60%-80% of that of the reaction kettle, the reaction solution is heated to 100-160 DEG C at a certain heating speed, reacts at the constant temperature for 8-20 hours and is naturally cooled, separated and dried in vacuum, and hydrothermal carbon microspheres are obtained; (3) the hydrothermal carbon microspheres are calcined and carbonized at the air atmosphere, and the carbon microsphere adsorbent is obtained. The preparation process of the adsorbent is simple, energy consumption is low, the reaction time is shortened to be within 24 hours, and the adsorbent has high adsorption performance for part of positive ions, particularly, uranyl ions, has excellent radioresistance, thermal stability and acid stability and can be widely used for treatment of radioactive wastewater.

The network system obtaining public key certificate for WAPI only adds a DCS to store public key certificates of all ASUs and IP address and port number in whole network. The method for obtaining the public key certificate is also simple. This invention makes it easy to build trustiness between STS and ASU, solves the certification difficulty for roaming user, and has wide application future.

The invention relates to a computer system construction of a virtual storage device based on partition management, which comprises a computer hardware device and a software unit operated on the computer hardware device. The software unit comprises a primary domain and a secondary domain, the primary domain is directly operated on the computer hardware device, and the secondary domain contains a virtual machine monitor which supports a virtual machine containing the virtual storage device. The secondary domain is operated on a virtual machine supported by the virtual machine monitor of the primary domain to access to the virtual storage device. The invention has the advantages that the primary domain of the system is provided with a virtual storage device construction module which is responsible of constructing the virtual storage device by a data container and/or data container segments which are managed by the primary domain, and the virtual storage device construction module sets partition information for the virtual storage device so as to meet management regulations. The invention also provides a construction method of virtual storage device based on partition management. The invention can flexibly construct the virtual storage device, thereby increasing the manageability of the secondary domain.

The invention discloses a method for preparing a porous alginate gel microsphere adsorbing agent with an electronic injection method. The method for preparing the porous alginate gel microsphere adsorbing agent with the electronic injection method comprises steps as follows: an aqueous sodium alginate solution is prepared, then a pore-forming agent is added, and the mixture is uniformly stirred to obtain blended sol; the blended sol is put in an electrostatic spinning device, electrostatic spinning process parameters are set, the blended sol is electronically injected into a calcium chloride solution containing acid, and the mixture is stirred and filtered to obtain porous alginate gel microspheres; and the porous alginate gel microspheres are soaked in a metal salt solution, are stirred and react at the room temperature, and then are filtered and dried so as to obtain the porous alginate gel microsphere adsorbing agent. According to the invention, the simple and high-efficiency electronic injection technology is adopted to prepare the porous alginate gel microsphere adsorbing agent, and the adsorbing agent has a good adsorption property for part of anions, especially fluorine ions, and can be widely used for anion separation and wastewater treatment; and the adsorbing agent can be degraded after used, avoids secondary pollution and has important significance for environmental protection.

The invention discloses a modified sodium alginate adsorbing material for tetracycline antibiotics adsorption and a preparation method of the material. The method comprises the following steps that 1,sodium alginate and a solvent are mixed and stirred to be uniform according to the mass volume ratio being (1-3):(97-99), the sodium alginate is fully swelled, ultrasonic defoaming and degassing areconducted, and sodium alginate sol is obtained; 2, the sodium alginate sol is dripped into a metal salt solution with the mass concentration being 1-10 wt% at a constant speed, stirring is conducted,a cross-linking reaction is conducted for 2-24 h, filtering is conducted, drying is conducted, and the modified sodium alginate adsorbing material for tetracycline antibiotics adsorption is obtained.According to the obtained adsorbent, the raw materials are cheap and easy to obtain, the absorbent preparation process is simple, the tetracycline antibiotics removing efficiency is high, after the absorbent is used, the absorbent can be subjected to biodegradation and can be regenerated, secondary pollution cannot occur, and the modified sodium alginate adsorbing material has the good applicationprospect.

The invention discloses a steel strip punching processing detection system and method based on vision measurement. The method comprises steps: a linear motor is controlled to drive a camera to move tothe right from a working origin point O arranged at the left side of the steel strip, a first image of the upper surface of the steel strip is acquired, a left-side edge of a punching steel strip isdetermined, and the actual movement distance Xa' when the linear motor moves to the left-side edge of the steel strip from the working origin point O is calculated; the linear motor is controlled to drive the camera to move to the right continuously, the camera acquires multiple second images of the upper surface of the steel strip, punching feature information on the second images is recognized,and in combination with a pixel equivalence gamma, the detection result of the punching feature information is determined; and the camera moves to the right continuously and acquires a third image ofthe upper surface of the steel strip, the right-side edge of the punching steel strip is recognized and determined, and the actual movement distance Xb' from the working origin point O to the right-side edge is calculated. The camera is used to realize wide-size punching steel strip processing detection, the detection result is precise, and high-precision detection requirements are met.

The invention discloses a detection method for continuous punching of a steel band; the method comprises the steps of setting an image acquisition device above a steel band under punching to perform acquiring, and determining focal length and object distance between the image acquisition device and the upper surface of the steel band below; calibrating a pixel equivalent so that a quantitative correspondence between the actual size of the steel band and the number of pixels in a steel band surface image acquired by the image acquisition device is created through the pixel equivalent; when rolling of the steel band is paused, starting to acquire a surface image of the steel band under punching by the image acquisition device; recognizing, by an industrial personal computer, the acquired surface image of the steel band, and calculating a processing measured value of punching of the steel band. The surface image of the steel band under punching is acquired through image recognition, the processing measured value of punching is calculated through image recognition, automatic detection is achieved for the steel band under punching, and detection efficiency and detection accuracy are improved.

The invention relates to the technical field of high-quality crops planting, and particularly relates to a planting method of selenium-enriched rice; the planting method of the selenium-enriched rice includes steps of rice seedling cultivation, transplanting and rice fertilization; according to the planting method, base fertilizer is applied to the transplanting rice before transplanting the rice seedling for 1-3 days; after completing the seedling transplanting for 10-15 days, the selenium-enriched fertilizer is applied; the selenium-enriched fertilizer includes selenium-enriched compound, potash fertilizer, silicon fertilizer, nitrogen fertilizer and phosphatic fertilizer; at the beginning period of rice panicle emergency and flowering, the rice is further added with selenium-enriched fertilizer. The planting method has good practicability and promotion prospect.

The invention provides a self-resetting steel support with a pre-pressing disc spring and a friction damper. The self-resetting steel support comprises a resetting system and a friction energy consumption system, wherein the resetting system comprises a left anchoring plate and a right anchoring plate; a first high-strength bolt and a plurality of second high-strength bolts penetrate the two anchoring plates; the composite combined disc spring is arranged at the position, between the two anchoring plates, of the first high-strength bolt in a penetrating manner; the two ends of the composite combined disc spring are anchored to the left anchoring plate and the right anchoring plate correspondingly; nuts at the two ends are screwed to extrude the left anchoring plate and the right anchoring plate, and therefore pre-tightening force is applied to the composite combined disc spring; the friction energy consumption system comprises a left friction sleeve and a right friction sleeve; the left friction sleeve penetrates the right friction sleeve or the right friction sleeve penetrates the left friction sleeve to form friction, and reciprocating motion and limiting are achieved through connection of a round hole, a long hole in the penetrating direction and a third high-strength bolt; and the interiors of the left friction sleeve and the right friction sleeve which are combined are enough to contain the resetting system. The self-resetting steel support has the beneficial effects that functions can be recovered, stress is reasonable, the structure is simple, and manufacturing is convenient and fast.

The invention provides a carrier wave testing method for a downgoing signal of a TD-SCDMA system. According to the characteristics that the signal power of a downgoing time slot in each signal frame is much larger than that of an up-bound time slot and a jumped frame structure of a power value is generated at the switching point between the downgoing time slot and the up-bound time slot in the TD-SCDMA system, firstly, the method performs the down conversion with different frequencies to a received high-frequency signal; secondly, the method utilizes a sliding window to intercept the down-conversion signal of different data sections to measure the power in order to count the power jumping times of the signal; finally, the method finishes the carrier wave detection of the downgoing signal according to the power jumping times. The method can guarantee the effectiveness and the precision of the carrier wave detecting method in the TD-SCDMA system and has low complexity of algorithm, thereby having good engineering application value and popularization prospect.

The invention discloses a movable premixing mortar producing equipment aiming at solving the problems of heavy pollution caused by the field wet-mixing mortar preparation and high cost of the commercial dry-blending mortar. The invention is characterized in that the equipment comprises a large bin (1) which is used for storing sands with the moisture content not higher than 10 percent, a cementing material bin (2) which is used for storing cementing materials and a raw material screw conveyor (3) which is arranged between the large bin (1) and the cementing material bin (2). A feed end of the screw conveyor (3) is connected with an outlet of a discharge valve (11) arranged on the lower part of the large bin (1), and a discharge end of the screw conveyor is connected with another feed inlet of a mortar mixer (4). Through the energy saving property and the production in sealed equipment, the production cost of the movable premixing mortar producing equipment is greatly reduced. Without environmental pollutions, the movable premixing mortar producing equipment has good popularizing prospect.

The invention discloses pseudocercospora rDNA and application thereof to molecular detection of pseudocercospora, and designs a group of pseudocercospora-specific detection primers, including an upstream primer W1724f and a downstream primer W2196r and having the nucleotide sequences shown as SEQ ID NO. 4 and SEQ ID NO. 5 respectively. The detection primers can specifically detect the pseudocercospora, are reliable in detection result, easy to operate and high in specificity and sensitivity, and have an important practical application significance in detection of diseased leaves in the early stage of infection (latent period); and moreover, the detection primers can detect pathogens in soil and on branches so as to estimate the density of the pathogens and take appropriate control measures, so that the detection primers have a guiding significance in control over mulberry leaf mould.

The invention discloses a preparation method of an iron ion croscarmellose in-situ growing Prussian-blue microsphere adsorbing material. The method comprises the following steps of (1) dissolving carboxymethylcellulose into ultrapure water, stirring to obtain a concentrated sol, and performing ultrasonic defoaming on the sol; (2) electrically injecting the ultrasonic defoamed sol into a receiving device containing iron ions by using an electric injector; during electric injecting procedure, dropwise adding a cross-linking agent into the receiving device; stirring, filtering to obtain gel microspheres loading iron ions; (3) washing the prepared gel microspheres; soaking the gel microspheres into a potassium ferrocyanide solution; stirring and filtering; drip washing the obtained gel microspheres; and drying to obtain the Prussian-blue microsphere adsorbing material. The preparation method of the Prussian-blue microsphere adsorbing material disclosed by the invention has the characteristics of simple synthetic process, less energy consumption, good mechanical stability, good selectivity, reusability and the like; therefore the preparation method can be widely used for processing cesium containing Saline Lake brine, mother liquor of salt production, mother liquor after extracting lithium, nuclear waste liquid and the like.

The invention relates to a method for chemical vapor reaction deposition of a transparent hydrophobic easy-to-clean thin film, wherein the method comprises preparation of a precursor, preparation of an octafluoro dichloro p-dimethylbenzene dimer and chemical vapor reaction deposition of the thin film. The method takes hexafluoro monochloro paraxylene as a main raw material, and the production cost is reduced; the method is suitable for plastics and metal surface plating films, has the advantages of simpliness, high efficiency, fast deposition speed, and industrialized mass production; the obtained Parylene HT plating film is transparent, hydrophobic and easy to clean, and has good promotion and application prospects.

The invention discloses an RTK based spreading work state monitoring system and method. The system comprises an RTK positioning device for obtaining real-time position information of current work and generating real-time spreading speed information; a data acquiring card for converting the spreading speed information obtained by the RTK positioning device into speed units; a display for displaying the current spreading speed in real time; a wireless network module, consisting of a positioning receiving antenna and a GPRS antenna, for transmitting the positioning information of a spreading machine to a network server and obtaining the work pile number of the current spreading machine based on the established WGS84 coordinate and the engineering independent coordinate conversion reference table; and a master control machine for controlling the RTK positioning device, the positioning receiving antenna, the GPRS antenna, the data acquiring card and the display to work as well as processing data. The system and the method are able to obtain information on the spreading speed, the spreading position, and the work pile numbers of the starting point and the ending point of spreading, making them with great prospects for use in the future.

The invention relates to an automatic adjust and control humidification system utilizing condensate water for humidification. The automatic adjust and control humidification system utilizing condensate water for humidification comprises a filtering device, a flow detecting device and a humidification device. The humidification device comprises a water storage tank, a water level electrode, a draught fan and a controller. The controller comprises a single-chip microcomputer control circuit, a photocoupling circuit, a biasing circuit and a high-frequency oscillation atomization circuit. The single-chip microcomputer control circuit can correspondingly conduct atomization humidification control according to water level signals of the water level electrode. Atomization humidification control comprises the steps that the single-chip microcomputer control circuit obtains the number of pulses output by the flow detecting device within unit time, PWM signals with the corresponding duty ratio are output to the photocoupling circuit, the biasing current with the corresponding proportional relation is generated through the biasing circuit so as to control the vibration amplitude output to an oscillator plate through the high-frequency oscillation atomization circuit, and therefore the atomization humidification rate is adjusted and controlled. According to the automatic adjust and control humidification system, efficient recycling of air conditioner condensate water is achieved, the humidification rate can be automatically adjusted and controlled, and dynamic balance of the air humidity of the indoor environment can be kept.

The invention discloses a section of a mulberry-derived enterobacter cloacae specific sequence, a primer group Yt4 as well as applications of the specific sequence and the primer group Yt4 in molecular detection of enterobacter cloacae. The specific sequence is shown in SEQ ID NO.1; the primer group Yt4 comprises primers Yt4-FIP, Yt4-BIP, Yt4-F3 and Yt4-B3; nucleotide sequences of the primer groupYt4 are sequentially shown in SEQ ID NO.2-5. Specific detection of the enterobacter cloacae, particularly quick distinguishing of other mulberry diseases, can be realized on the basis of the specificsequence, and the specific sequence has important technical support value and application prospects in actual detection application of the enterobacter cloacae. The primer group Yt4, a construction method and a kit are convenient to use and applicable to very diversified amplification templates, have reliable detection results, high specificity, high sensitivity and visualization, have good effects in early detection and quick detection of blight caused by enterobacter cloacae and have good actual popularization and application prospects in monitoring, preventing and controlling mulberry blight.

The invention relates to a dry-wet self-separating dustbin, comprising an outer box cover and an outer box body, the outer box cover is respectively provided with a wet bucket cover and a dry bucket cover, and the inside of the outer box body is provided with a wet bucket, a dry bucket barrel and separation device, the separation device is located above the opening of the wet barrel and the dry barrel, the wet barrel and the dry barrel are respectively located under the wet barrel cover and the dry barrel cover and correspond to each other; the separation device includes a moving mechanism, a turning motor and the separation bucket, the moving mechanism includes a moving motor, a slider, guide rail I and guide rail II, and the sliders are respectively slidably connected to the guide rail I and guide rail II arranged on the inner wall of the outer box on both sides, and the bottom surface of the guide rail I is provided with teeth The separation bucket is in the shape of a "V" and the top is provided with openings and the like. The invention has the beneficial effects of realizing the automatic dry-wet separation of garbage and dirt, simple and convenient use, and good promotion and application prospects.

The invention discloses an energy-saving sanitary type hot water supply system. The system is mainly composed of a solar heat collector, an air source heat pump unit, a heat source control box, a heat source circulating pump, a displacement heat exchanger, a hot water sterilization device, a hot water circulating pump, a control cabinet and a hot water pipe network. The solar heat collector is in parallel connection with the air source heat pump unit, and the solar heat collector and the air source heat pump unit are each connected with a heat source water supply pipe for water inlet; a water returning part of the solar heat collector and a water returning part of the air source heat pump unit are each connected with a heat source water returning pipe; the heat source water supply pipe and the heat source water returning pipe are each connected with the arranged displacement heat exchanger, and the displacement heat exchanger comprises a first heat exchange unit and a second heat exchange unit; and the outlet water portion of the displacement heat exchanger is connected with the hot water supply pipe, and the hot water sterilization device is arranged on the hot water supply pipe. The energy-saving sanitary type hot water supply system has the beneficial effects of being sanitary, energy-saving, efficient, safe, environmentally friendly, good in using effect and the like, and the system is a centralized hot water supply system which can be widely applied to houses, hotels, offices, markets, bath centers and the like.

The invention discloses a remote automatic monitoring and reorganizing system for field surface runoff and interflow. The system mainly comprises a test plot for separately monitoring surface runoff and interflow, a surface runoff collection device, a layered interflow collection device, an interflow automatic drainage device, a runoff automatic monitoring device and a data transmission and receiving calculation device; the test plot for separately monitoring surface runoff and interflow is respectively connected with the surface runoff collecting device and the layered interflow collecting device; the surface runoff collection device and the layered interflow collection device are connected with the automatic runoff monitoring device, the layered interflow collection device is connected with the automatic interflow drainage device, and the automatic runoff monitoring device is connected with the data transmission and receiving calculation device. The remote automatic monitoring and reorganizing system has the beneficial effects that the automatic monitoring and reorganizing system can effectively collect and separately monitor surface runoff and layered interflow; surface runoff and interflow can be collected without a large flow collecting pool (barrel); the runoff water level and rainfall process data can be measured, runoff process characteristics and rainfall characteristic values can be automatically calculated, and a remote wireless transmission technology is achieved.

The invention discloses enterobacter cloacae 16SrDNA and a primer group Yg2 and an application thereof in an aspect of enterobacter cloacae molecule detection. A designed sequence of the enterobactercloacae rDNA is shown as SEQ ID NO.1; the primer group includes primers Yg2-FIP (F1 and F2), Yg2-BIP (B1 and B2), Yg2-F3, Yg2-B3, Yg2-LoopF and Yg2-LoopB; and nucleotide sequences of the primers are shown as SEQ ID NO.2-9. On the basis of the excellent specificity of the primer group, a kit for detecting enterobacter cloacae molecules is designed, and a detection method is scientifically determined. With the application of the primer group and the detection method provided by the invention, specific detection can be achieved in the early stage of pathogen infection, and the primer group and the detection method are strong in specificity, high in sensitivity and being visible; moreover, the primer group and the detection method are reliable and accurate in detection result and easy to operate; and a broad application value and an important significance can be achieved in practical detection of the enterobacter cloacae molecules and in the preparation of related products for detecting the enterobacter cloacae molecules.

The invention relates to a method for improving biodegradability through heterogeneous Fenton oxidation treatment of cotton pulp black liquor. The method comprises the following steps: mixing cotton pulp black liquor and viscose wastewater according to a volume ratio of (1-1.5):4 to be added into a first stirring reaction tank (1), and regulating the pH value to be 2.5-3.5; enabling effluent to enter a solid-liquid separation device (3), treating by adopting an acid precipitation method for 1-2 hours, producing a precipitate, filtering and separating, recycling the obtained xylogen, enabling the supernatant effluent to enter a second stirring reaction tank (7) to be mixed with a H2O2 solution, conveying the mixture into a fixed bed reactor (5) filled with slag (6) by virtue of a pump (4),and performing heterogeneous Fenton oxidation treatment. According to the method disclosed by the invention, resources are fully recovered, the treatment cost is reduced, the wastewater biodegradability is improved, the aim of 'treatment of wastes with processes of wastes against one another' is achieved, the environmental pollution problem is comprehensively treated and solved, good conditions are created for subsequent biological treatment, and the method has excellent popularization and application prospects and environmental benefits.

The invention provides a connecting structure of an assembly type prefabricated part. The connecting structure of the assembly type prefabricated part comprises a first prefabricated part, a second prefabricated part and a cast-in-place structural part. Steel bar frames are reserved on the first prefabricated part and the second prefabricated part. Each steel bar frame comprises an upper main rib,a lower main rib and a connecting rib, the lower main rib partially extends into the prefabricated part, the part, extending out of the prefabricated part, of the lower main rib, the upper main rib and the connecting rib are all arranged in the cast-in-place structural part, and the steel bar frame of the first prefabricated part and the steel bar frame of the second prefabricated part are partially overlapped in the cast-in-place structural part. The invention further provides a connecting method of the assembly type prefabricated part. According to the invention, a steel bar frame structuredesign is adopted at a joint of the prefabricated part, and the steel bar frames of the two prefabricated parts are overlapped and lapped and then are cast in place to form an integral structure, sothat rigid connection between the two prefabricated parts is realized, the bearing capacity and durability of the connecting structure are ensured, and the problem that a connecting joint of an existing assembly type prefabricated part is easy to leak water is solved.

The invention discloses a primer, a plasmid and a method for the detection of mulberry mosaic type atrophy-associated viruses. The primer comprises an upstream primer MCP746f and a downstream primer MCP1148r, and nucleotide sequences of the upstream primer and the downstream primer are respectively shown as SEQ ID NO.1 and SEQ ID NO.2; meanwhile, the positive plasmid for detection is constructed,the fragment construction plasmid 13MCP-pEASY-Bblunt with a size of 1309 bp is obtained by the amplification of an upstream primer 13MCP156f and a downstream primer 13MCP1464r, and nucleotide sequences of the plasmid and the primers are respectively shown as SEQ ID NO.3, SEQ ID NO.4 and SEQ ID NO.5. The primer disclosed by the invention can specifically detect the mulberry mosaic type atrophy-associated viruses, is reliable in detection results, easy to operate, strong in specificity and high in sensitivity, particularly has an important practical application significance in the detection of diseased leaves at the early stage of infection (during the latent incubation period), meanwhile can detect pathogenic bacteria existing on leaves, petioles, buds and branches of diseased plants and has a practical guiding significance in the prevention and the control of the mulberry mosaic atrophy-associated viruses.

The invention discloses a broadband planar reflective array antenna with a wider phase compensation range. The technical scheme adopted is as follows: the planar reflective array antenna includes a feed source and a conductive planar reflective array surface; the feed source is used for emitting or receiving electromagnetic waves; the conductive planar reflective array surface is used for scattering the electromagnetic waves emitted by the feed source into planar waves or receiving the planar waves and converging the planar waves onto the feed source; and a number of reflection units are distributed in an array on the conductive planar reflective array surface, and each reflection unit includes a phase hole and four branches distributed on the phase hole. The planar reflective array antenna is characterized in that twigs extend in the same direction from one side of the branches, the twigs extend near the edges of the phase holes, and slots for are formed between the twigs and the edges of the phase holes to adjust and control phase compensation and working frequency.

The present invention discloses a measuring instrument of a photovoltaic assembly array DC generating characteristic and a measurement method thereof. The measuring instrument of the photovoltaic assembly array DC generating characteristic is used to measure a DC generating characteristic of a photovoltaic assembly array in a solar photovoltaic power generation system and comprises a body, a control panel is arranged on the body, and a static measurement device used for measuring an open-circuit output voltage and a short-circuit output current and a dynamic measurement device used for measuring a current-voltage characteristic are arranged in the body. When the instrument and method of the present invention are used, the open-circuit output voltage, the short-circuit output current, a maximum output power, a filling coefficient and the voltage and current which generate a maximum power point are obtained by the static measurement and the dynamic measurement. The instrument and method of the present invention enable the power measurement range to be increased, deduce the maximum power measured on a laboratory standard condition by the on-site measured maximum power, and have the very good popularization and application prospect.

The invention provides a secondary starting method for a shield in a single-hole single-line underground excavation tunnel. The method comprises the steps that 1, the single-hole single-line tunnel isconstructed through an underground excavation method; 2, stratum grouting reinforcement and advanced large pipe shed supporting are conducted on the end of secondary starting of the shield; 3, a mainmachine of a shield tunneling machine is pushed to pass through an underground excavation section in an air-pushing mode; 4, a reinforced concrete counter-force ring is constructed on the inner edgeof a hole body of the underground excavation section at a certain distance behind the main machine of the shield tunneling machine, shield tunneling is prepared to start with the reinforced concrete counter-force ring as a supporting point, and shield segments are spliced; and 5, the main machine of the shield tunneling machine conducts tunneling, splicing of the shield segments of the undergroundexcavation section is completed, the normal tunneling state is started, and secondary starting is completed. Accordingly, the tunnel section space enlarged by passing of the shield in the air-pushingmode is utilized, the reinforced concrete counter-force ring is poured on a secondary lining of the tunnel, the problem of arrangement of the supporting point of secondary starting of the shield in anarrow space is solved, the application range is wide, and continuous tunneling of a shield section is guaranteed.

The invention discloses a modified magnesia pesticide residue adsorption fertilizer and a preparation method thereof. The modified magnesia pesticide residue adsorption fertilizer is prepared from rawmaterials such as crop processing residues, animal dung, weathered coal, monopotassium phosphate, ammonium molybdate, magnesia, tetraethyl orthosilicate and ferroferric oxide powder. The fertilizer disclosed by the invention meets the requirement of absorption of crops to various nutrients in a way of mixing organic components with inorganic components and is comprehensive in nutrients and high in utilization ratio; meanwhile, modified magnesia powder is added into a kernel of the fertilizer, nutrient components are gradually permeated into a soil layer along with the decomposition of the components after the fertilizer is applied to the soil, and the left granular components adsorb heavy metals and nuclide residues in the soil and underground water, so that the safety guarantee is provided for a soil environment of crop roots, and the soil environment suitable for the growth of crops is created; and meanwhile, the preparation method disclosed by the invention is simple and has high economic and environmental benefits and popularization and application prospects.

The invention provides a test platform and a test method for a mobile internet protocol. The test platform comprises a network topology layer, a bridging layer, a virtual node layer and a real node layer. The invention constructs a virtual network test platform, a normally running operating system source code is copied to a virtual system mode, the running operation of the operating system in the set mobile internet protocol is set in a virtual network node, and when the running operation is normal, it indicates that the mobile internet protocol is normal and can be directly applied to an actual intelligent device. The real environment is combined with the virtual environment without directly performing the test in the real environment, therefore the network protocol theory personnel can conveniently design and test the real mobile internet protocol, and a new network protocol can be applied to the actual mobile internet efficiently and conveniently.