33results about How to "Clear route" patented technology

The invention discloses a self-adaptive anti-interference wireless transmission method for a band type network. The method includes the steps that when wireless sensor nodes have access to the network, short addresses are distributed by an aggregation node; the aggregation node broadcasts or request information to the wireless sensor nodes; the wireless sensor nodes judge whether they are within a routing radius range of a broadcasting issuing node; each wireless sensor node calculates a response slot time of its own and transmits a response in the response slot time; in the routing radius range, the nodes monitor a new routing node n to conduct broadcasting; the new routing node transmits data packet information to determine a latter route in the same broadcasting mode; the wireless sensor nodes judge whether they are destination addresses of a data packet link layer. The band type network can dynamically adjust the farthest transmission distance of the route according to the communication situation so as to adapt to external environmental inference; when the environmental interference is small, the information can be transmitted efficiently and quickly; when the environmental interference is large, the transmission distance is shortened.

The invention provides a preparation method of high purity trifluridine. The method is as below: reacting a raw material of a compound 2 with HMDS under the action of trimethylchlorosilane to obtain a compound 3; subjecting the compound 3 and a compound 4 to condensation in the presence of a catalyst copper difluoride; conducting ethanol recrystallization to obtain a compound 5; and finally conducting deprotection on the compound 5 under the effect of sodium methylate; and recrystallizing by a mixed solvent of ethanol and acetone (1:1) to obtain the high purity object compound 1. The method has the advantages of high purity of the product, simpleness, easy purification and less industrial pollution.

The invention provides a method for preparing high-purity Gadobutrol. The method comprises the following steps: taking cycleanine (I) as a starting material, firstly reacting with excess lithium chloride at high temperature to form a high-purity metal lithium complex (II), enabling the high-purity lithium complex (II) to react with 4,4-dimethyl-3,5,8-trioxabicyclo[5.1.0]octane (III) to generate an intermediate (IV), enabling the intermediate (IV) to react with chloroacetic acid and lithium hydroxide to synthesize an intermediate (V), salifying the intermediate (V) with gadolinium oxide to form a product (VI) namely a Gadobutrol crude product, and recrystallizing the crude product to prepare high-purity Gadobutrol. The method provided by the invention is simple in reaction process and clear in route, does not have redundant operation, ensures that the target compound is relatively high in purity and yield, can be used for greatly reducing the production of three wastes, and is easy to implement industrial application.

The invention discloses a technique for manufacturing high-performance printing paper. The technique comprises the steps of conducting defibrination or dissociation on bleached sulfate softwood pulp, mechanical pulp, bleached sulfate hardwood pulp, wet damage stuff and dry damage stuff, then conducting pulp mixing in a mixing pool, conducting mixing with white water in a machine chest, feeding the mixture into a flow box through a fan pump and a pressurized screen, and making the mixture pass through a net section, a pressing section, a front drying section, a sizing section, a rear drying section, a calendering section, a reeling section and a cutting section in sequence to obtain the high-performance printing paper. The technique is simple, clear, continuous and compact in process and suitable for large-scale production of a paper company. The obtained paper is high in stiffness and bulkiness and high in physical strength. Furthermore, due to the reasonable mixture of fibrous materials, the obtained paper is good in evenness, inking is even, color is full and bright, and imaging is clear. The technique can be used for printing colored leaflets and high-end books.

The invention relates to the technical field of cable tapping equipment, and discloses an outdoor cable tapping box, comprising a box body. The bottom of the box body is fixedly provided with a base,the front side of the box body is hinged with the box door through a hinge, a handle is fixedly installed at the middle of the outside of the box door, a flashing board is fixedly installed on the topof the box body, a lightning rod is fixedly installed on the top of the flashing board, the left and the rear of the box body are provided with ventilation holes, a partition plate is fixedly installed in the middle of the inner cavity of the box body, a wire management hole is opened in the front half of the partition plate, and wire pipes used in coordination with the wire management hole are fixedly installed at the bottom of the partition plate. The outdoor cable tapping box branches the cable through cooperated use of the wire management hole and the wire pipes, so as to make the cable route clearer, reduce the difficulty of the work and improve the wiring efficiency, and then through fins on a heat dissipation pipe, the heat can be well dissipated, and the heat dissipation performance of the tapping box is improved.

The invention discloses an intelligent water affair Internet of Things online monitoring system, and the system comprises a field data collection module, an information transmission module, a network service module, a remote monitoring operation module, and an execution adjustment module. On the basis of adopting advanced sensing equipment such as a sensor and intelligent equipment, water affair data collected by an on-site data collection device configured on site are received, the information transmission module effectively connects and fuses a whole water conservancy system to realize intercommunication and integration of water affair information, and the network service module is used for providing network service for the water conservancy system. And the remote monitoring operation module is used for ensuring informatization transmission and data protection, and realizes comprehensive and scientific management of the water environment. According to the intelligent water affair Internet of Things online monitoring system, water affair information can be comprehensively detected, the efficiency of pipe network inspection and water affair detection is high, high-intelligent-level operation is achieved, meanwhile, the resource sharing rate is high, and the working efficiency is high.

The invention discloses an environment-friendly modified polyurethane adhesive and belongs to the technical field of adhesives, and the environment-friendly modified polyurethane adhesive comprises the following components in parts by weight: 15-25 parts of polyester polyol, 2-4 parts of isocyanate, 30-80 parts of a solvent, 30-40 parts of a viscosity modifier, 0.01-0.03 part of a catalyst, 0.1-0.5 part of a chain extender, 0.2-0.5 part of a terminator and 0.2-0.5 part of a cellosolve. The invention also discloses a preparation method thereof. Different types of isocyanate are used, so that the application range of the environment-friendly modified polyurethane adhesive is improved; a controllable reaction process is provideed, poisonous and harmful three-benzene solvents (benzene, methylbenzene and xylene) are not used, the pollution is reduced, the controllability of production is improved, and meanwhile, the comprehensive cost of the product is reduced. The preparation method of theenvironment-friendly modified polyurethane adhesive is clear in route, mild in conditions, safe to operate, control and high in operability.

The invention discloses a nonylphenol polyoxyethylene ether dimeric surfactant using piperazine as a connecting group and a preparation method thereof. The structural formula of the substance is as the following right formula, wherein the addition mole number m is 4, 7, 10, 15, 20 or 30. The preparation method for the surfactant comprises the following steps: adding intermediate N-N'-di (2-hydroxy-5-nonylphenmethyl) piperazine and 1 percent of potassium hydroxide in percentage by mass of the intermediate into an autoclave, introducing oxacyclopropane of 2m according to the addition mole number m of the ethylene oxide group into the autoclave, heating the mixture to between 120 and 180 DEG C under stirring, reacting the mixture for 2 hours at a pressure of 1MPa, stopping reaction, cooling a reaction product, and taking the cooled reaction product out to obtain a product. The synthetic method has clear route, the synthesized product has an accurate structure, the crystallization degree of the intermediate is high, the product is easy to be separated, the generation of other byproducts is effectively avoided, and a novel dimeric nonylphenol polyoxyethylene ether surfactant is provided for the industry of fine chemicals.

The invention relates to raw material storage equipment, in particular to a raw material storage device for tapioca chips. The raw material storage device is characterized in that high level alarms are arranged on the upper parts of storage bins, and stirrers are arranged on the lower parts of the storage bins; vibration hammers are arranged below the storage bins, and low level alarms are arranged at the bottoms of the storage bins; a deduster is arranged on the tops of the storage bins; a discharge hole of the deduster is connected with a powder recovery tank; a spray opening and a sieve plate are arranged on the upper part of the powder recovery tank; a steam opening is formed on the upper part of the powder recovery tank; a water inlet is formed on the lateral surface of the upper part of the powder recovery tank; and water flows into the spraying opening, so that dust granules in air flow are dissolved in the water and drop into the tank bottom. The raw material storage device has the advantages that the tapioca chips can be produced cleanly in the process of crushing raw materials, and the hidden danger of dust explosion is avoided, so that the production is safe and clean. According to the raw material storage device, a powder recovery device is arranged on the tops of the storage bins with a novel structure, so that dust loss is reduced, and the wine yield of the raw materials is increased. Slurry generated by recovering dust is recovered completely, so that the aims of water conservation and consumption reduction are fulfilled.

The invention relates to a producing system and method for mixed-braiding unidirectional fabric. The system comprises a knit-stitch machine; a compression roller, a yarn sley, a carbon fiber warp rack and a weft laying device are arranged at the left side of the knit-stitch machine successively; a dragging roller, a fabric rack and a glass fiber warp rack are arranged at the right side of the knit-stitch machine successively; and a coiling head and a roller are arranged on the top of the knit-stitch machine. A glass fiber warp yan is led out from the carbon fiber warp rack and is fed into the knit-stitch machine by the roller; a carbon fiber warp yarn is led out from the carbon fiber warp rack and is fed into the knit-stitch machine by the yarn sley and the compression roller; a glass fiber weft yarn is fed into the knit-stitch machine by the weft laying device; and a stitching yarn is led out from the coiling head and is fed into the knit-stitch machine. The knit-stitch machine stitches the glass fiber warp yarn, the carbon fiber warp yarn, the glass fiber weft yarn, and the stitching yarn; a piece of blank cloth after stitching is dragged by the dragging roller into fabric and then the fabric winds around the fabric rack. According to the invention, on the basis of the novel structure, efficient production of the mixed-braiding unidirectional fabric can be realized; and the fabric quality can be guaranteed.

The invention discloses a crossroad and T road all-directional no-parking flyover. The flyover comprises right turn roads and left turn flyovers of four directions of a crossroad, bidirectional straight flyovers and underground side pavements of four crossings. The straight road of one direction of the crossing point of the crossroad and the right turn are finished on the original roads respectively. The straight road of the other direction and the left turn are finished respectively through flyovers. The side pavements are underground passages at each crossing outside the crossing point of the crossroad. The T road comprises bidirectional straight roads, right turn roads, left turn flyovers and side pavements. The bidirectional straight roads and the right turn roads are finished on the original roads respectively. The left turns are finished through flyovers. The all-directional no-parking flyover can be built based on an existing bidirectional four-lane road which need not being widened. The structure is simple. Vehicles can pass directly in any direction. The route is clear. The T road can be built on bidirectional four lanes or above. Vehicles can go in any direction directly. The side pavements are arranged underground outside the crossing point of the crossroad respectively.

The invention discloses a treatment method of steel component hot-galvanizing waste water. The treatment method of steel component hot-galvanizing waste water comprises the following steps of firstlyrespectively performing pre-filtering and impurity removal on alkali washing degreasing liquid, acid washing liquid and rinsing liquid; then, performing mixing; next, regulating the PH value to alkaline condition for separating ferric hydroxide precipitates; next, regulating plating assistant waste liquid containing rich zinc ions and ammonium ions to be similar to the neutral state; removing thezinc ions; next, mixing the two solutions; adding the two solutions into a biochemical filter pool; removing nitrogen elements and other harmful substances in the system through denitrification and nitrification reactions; next, taking precipitates; performing impurity removal to obtain clear liquid to be used for producing rinsing water or workshop cleaning water. According to the invention, by using the mode, the degreasing waste liquid, acid washing waste liquid and plating assistant waste liquid in the hot-galvanizing process can be treated at the same time; the drug dosage in the waste liquid treatment is reduced; the goals of realizing the repeated utilization of water resources, saving the resources, protecting the environment and lowering the operation cost are achieved.

The invention discloses a nonylphenol polyoxyethylene ether nonionic surfactant and a preparation method thereof. The structural formula of the substance is as the following right formula, wherein the addition mole number m is 4, 7, 10, 15, 20 or 30. The preparation method for the surfactant comprises the following steps: adding intermediate 2,6-di{N-[N'-(2-hydroxy-5-nonylphenmethyl)piperazinyl] methyl}-4-nonylphenol and 1 percent of potassium hydroxide in percentage by mass of the intermediate into an autoclave, introducing oxacyclopropane of 3m according to the addition mole number m of the ethylene oxide group into the autoclave, heating the mixture to between 120 and 180 DEG C under stirring, reacting the mixture for 2 hours at a pressure of 1MPa, stopping reaction, and cooling a reaction product to obtain a product. The synthetic method has clear route, the synthesized product has an accurate structure, the crystallization degree of the intermediate is high, the product is easy to be separated, the generation of other byproducts is effectively avoided, and a novel trimeric nonylphenol polyoxyethylene ether surfactant is provided for the industry of fine chemicals.

The invention provides a synthetic method of ivabradine. The synthetic method of ivabradine comprises following steps: 1, a compound II and bromo chloropropane are subjected to alkylation reaction under the catalytic effect of a first alkali so as to obtain a compound III; 2, the compound III is subjected to hydrogenation reaction in a palladium on carbon and ammonium formate system so as to obtain a compound IV; 3, the compound IV and an iodination reagent are subjected to iodization reaction so as to obtain a compound V; 4, the compound V and the compound VI are subjected to condensation reaction under the catalytic effect of a second alkali so as to obtain a compound I. Operation is simple; reaction conditions are mild; the raw materials are commercially available; the synthetic methodis simple; cost is low; and the ivabradine synthesis difficulty is reduced greatly.

Provided is a Global Positioning System (GPS) signal repeater and a GPS receiver of a stationary orbit satellite, and a method for positioning a stationary orbit satellite using the same. The GPS signal repeater includes: a GPS receiver for receiving an L-band GPS signal transmitted from a GPS satellite; a low-noise amplifier for removing noise of the received L-band GPS signal and maximally amplifying a desired signal; a frequency transformer for transforming the amplified L-band GPS signal into an up-link frequency band; a high power amplifier for amplifying the transformed up-link frequency band GPS signal; and a transmitter for transmitting the amplified signal to a stationary orbit satellite.

The invention discloses a weak-current intelligent building system wiring and winding displacement practical training device and relates to the technical field of weak-current intelligent systems. The weak current intelligent building system wiring and winding displacement practical training device comprises a rotary table, the rotary table is provided with a weak current equipment mechanism and a wire cutting mechanism, the top of the rotary table is fixedly provided with an installation main frame, the inner wall of the installation main frame is fixedly provided with a practical training plate, and the bottom of the rotary table is rotatably provided with an installation base. And four groups of brake wheels are movably mounted at the bottom of the installation base and are distributed in a rectangular array. According to the weak-current intelligent building system wiring and winding displacement practical training device, wiring lines among the devices are clear, wiring lines are more orderly, wires are not prone to tangling, practical training personnel can recognize wiring easily, the installation main frame designed in a rotatable structure facilitates the practical training personnel to display wiring on the back of the practical training plate after wiring, and the white board and the board eraser designed on the back of the practical training board are convenient for teaching personnel to mark and explain the wiring so that a teaching demonstration effect is improved.

The invention discloses a Bacillus subtilis engineering bacteria for efficiently expressing plasmin and a preparation method thereof. An existing Bacillus subtilis strain is transformed by gene knocking technology to obtain the Bacillus subtilis engineering bacteria for efficiently expressing the plasmin. The method is clear in route, simple and effective, can be applied to a variety of Bacillus subtilis, and has good practicability.

The invention discloses a multifunctional household information box. The information box has an information box body formed by a metal box bottom and a plastic box frame. The lower left side of the bottom of the box body is provided with a cable and fiber winding area, the upper left side of the bottom is provided with a cable access area, the lower right side of the bottom is provided with an ONU device mounting area, and the upper left side of the bottom is provided with a socket module mounting area. The cable and fiber winding area includes a binding seat. Binding posts are arranged in the cable access area. ONU binding positions are disposed in the ONU device mounting area. ONU devices manufactured by different manufacturers and different in specification and dimension can be mounted. A three-station five-hole lightning protection socket is installed in the socket module mounting area to prevent thunder from damaging electric equipment. On the basis of optimization of a conventional household information box, the space layout of the information box is reasonable, and the wire inlet and outlet mode of the box body is optimized through the modularized design of a dual-layer structure. Therefore, the box body is compact in structure and small in size, and is practical and nice-looking.

The invention relates to a video backup device, method and system and electronic equipment. The video backup method comprises the following steps of: processing video data sent by each video input acquisition board card or a total backup video management unit respectively; decoding, segmenting, inserting, integrating and / or recoding the received video according to the code of the coding module inthe video input acquisition board card; scoring the video format, the frame frequency, the resolution and the load input by each acquisition board card; performing judging on the basis of the score, determining the backup route and the backup mode of the video according to the judgment, and backing up the video; and outputting the signals to an LED display screen through a gigabit network port ora 10-gigabit optical fiber port. The video backup device, method and system and electronic equipment have the advantages of multiple backup methods, the high video backup speed, saving of disk space required by video backup, high backup efficiency, more timely backup video output, clearer backup video routing and suitability for video backup of large LED display screen control equipment.

The invention discloses a technique for manufacturing high-performance printing paper. The technique comprises the steps of conducting defibrination or dissociation on bleached sulfate softwood pulp, mechanical pulp, bleached sulfate hardwood pulp, wet damage stuff and dry damage stuff, then conducting pulp mixing in a mixing pool, conducting mixing with white water in a machine chest, feeding the mixture into a flow box through a fan pump and a pressurized screen, and making the mixture pass through a net section, a pressing section, a front drying section, a sizing section, a rear drying section, a calendering section, a reeling section and a cutting section in sequence to obtain the high-performance printing paper. The technique is simple, clear, continuous and compact in process and suitable for large-scale production of a paper company. The obtained paper is high in stiffness and bulkiness and high in physical strength. Furthermore, due to the reasonable mixture of fibrous materials, the obtained paper is good in evenness, inking is even, color is full and bright, and imaging is clear. The technique can be used for printing colored leaflets and high-end books.

The invention relates to a producing system and method for mixed-braiding unidirectional fabric. The system comprises a knit-stitch machine; a compression roller, a yarn sley, a carbon fiber warp rack and a weft laying device are arranged at the left side of the knit-stitch machine successively; a dragging roller, a fabric rack and a glass fiber warp rack are arranged at the right side of the knit-stitch machine successively; and a coiling head and a roller are arranged on the top of the knit-stitch machine. A glass fiber warp yan is led out from the carbon fiber warp rack and is fed into the knit-stitch machine by the roller; a carbon fiber warp yarn is led out from the carbon fiber warp rack and is fed into the knit-stitch machine by the yarn sley and the compression roller; a glass fiber weft yarn is fed into the knit-stitch machine by the weft laying device; and a stitching yarn is led out from the coiling head and is fed into the knit-stitch machine. The knit-stitch machine stitches the glass fiber warp yarn, the carbon fiber warp yarn, the glass fiber weft yarn, and the stitching yarn; a piece of blank cloth after stitching is dragged by the dragging roller into fabric and then the fabric winds around the fabric rack. According to the invention, on the basis of the novel structure, efficient production of the mixed-braiding unidirectional fabric can be realized; and the fabric quality can be guaranteed.

The invention discloses a hydrophilic negatively-charged porous nano-film for repairing chronic kidney diseases as well as a preparation method and application of the hydrophilic negatively-charged porous nano-film. According to the method, cane sugar and L-lactide are taken as reactants, a terminal-carboxylated 8-arm star-shaped polylactic acid element is synthesized, and the negative-electricity porous nano-film with the pore diameter of 23.5 + / -4.5 nm is prepared from the element through self-assembly; the surface of the film is successfully modified with polyethylene glycol (PEG) and a glomerular specific antibody (Ab) in sequence by utilizing an amide reaction between carboxyl and amino, so that the film has good hydrophilicity and kidney targeting property; the pore diameter of the hydrophilic negative-electricity porous nano-film for repairing the chronic kidney disease is 19-28 nm. The hydrophilic negatively-charged porous nano-film prepared by the invention can simulate a filtration barrier of glomerulus and directly repair a damaged glomerulus filtration film of a rat, so that the effect of treating chronic kidney disease is achieved.

The invention discloses a fiber coiling and partitioning device and an optical fiber laying splicing box. The fiber coiling and partitioning device comprises at least one set of fiber coiling and partitioning component. The fiber coiling and partitioning component comprises a first separating plate, a second separating plate and a third separating plate which are arranged in a spacing way in turn. A first fiber coiling partition is formed in the spacing area between the first separating plate and the second separating plate. A second fiber coiling partition isolated from the first fiber coiling partition is formed in the spacing area between the second separating plate and the third separating plate. The fiber coiling and partitioning device is used for separately storing the optical fibers of different purposes so that operation of work personnel is facilitated, optical fiber wiring routing is clear and management is facilitated.

The invention relates to a vehicle engine electronic control unit testing system and a variable resistor combination adjusting method thereof. A signal processing module detects sensor simulation signals for simulating the operation of a vehicle and an engine, which are generated by a control panel and a frequency signal generator module, through an ECU (Electronic Control Unit) input signal detection module; actuator control signals of an engine management system, which are output by an engine control unit, are detected through an ECU output signal detection module; the testing state, condition parameters and tested engine control unit performance data are displayed on a display panel through a display control module; and the testing state, the condition parameters and the tested engine control unit performance data are transmitted to a computer for development and analysis through a testing system communication interface module. In the invention, the sensor simulation signals of theengine management system are generated in real time so as to stimulate the engine control unit, and meanwhile, the simulation signals and the actuator control signals output by the ECU are detected, and data are transmitted, analyzed, processed, displayed and communicated.

The invention belongs to the technical field of synthesis, and particularly relates to a synthesis method of Laingolide A and a diastereoisomer thereof, which comprises the following steps: preparinga compound 8 or ent-8; preparing a compound 15 or 18; carrying out Julia olefination reaction on the compound 8 or ent-8 and a compound 15 or 18 to obtain a compound A; carrying out reductive hydrogenation treatment on the compound A to obtain a compound B; carrying out oxidation treatment on the compound B to obtain a compound C; carrying out amido bond assembly on the compound C and then carrying out esterification reaction to obtain a compound D; and carrying out olefin metathesis reaction on the compound D, and then carrying out olefin isomerization reaction to obtain the Laingolide A or the diastereoisomer thereof. The synthesis method provided by the embodiment of the invention is clear in route and high in synthesis efficiency, and is beneficial to the research on the biological activity of the Laingolide A and the diastereoisomer.

The invention discloses a weak current intelligent building system wiring arrangement training device, which relates to the technical field of weak current intelligent systems. The weak current intelligent building system wiring arrangement training device includes a turntable, the turntable is provided with a weak current equipment mechanism and a wire cutting mechanism, the top of the turntable is fixedly installed with a main frame, and the inner wall of the main frame is fixed with a training device. The bottom of the turntable is rotatably installed with a mounting base, and the bottom of the mounting base is movably mounted with four sets of brake wheels distributed in a rectangular array. The weak current intelligent building system wiring and wiring training device has clear wiring lines between various devices, more orderly routing, and less entangled wires, which is easy for trainers to identify and recognize the wiring. The main frame with a rotatable structure design is convenient for installation After wiring, the trainers will show the wiring on the back of the training board, and the whiteboard and eraser designed on the back of the training board are convenient for the teaching staff to mark and explain the wiring and improve the teaching demonstration effect.

The invention discloses a general information interaction platform and a general information interaction method. The general information interaction platform comprises a registering and customizing management unit, a service request processing unit and a service calling unit, wherein the registering and customizing management unit is used for registering or cancelling services which can be provided by a service provider and customizing a service pack containing one or more services according to the service requirement and the registered services; the service request processing unit can be used for providing an interface which can be adapted to various interface protocols, acquiring service request interface information, receiving service request information from an interface receiving service requester through an interface, looking up the requested service pack interface information from the registering and customizing management unit and distributing the requested service pack interface information and a message body to the service calling unit; and the service calling unit is used for providing a client which can be adapted to various interface protocols, selecting a dynamic client adaptive to the interface protocol of the service provider according to the received service pack interface information, calling an interface address for providing the services by the service provider through the dynamic client and transmitting the received message body to the service provider. According to the general information interaction platform and the general information interaction method, disclosed by the invention, the convenient information interaction between every two application systems is realized, and the management and the maintenance are easily realized.