277results about How to "Achieve penetration" patented technology

The invention relates to an internet of things device P2P connection method based on an NAT penetration adapter. The method is characterized in that a host on a public network outside NATs achieves NAT penetration, and data detection and control are carried out on a built-in terminal in the internet of things in the NATs in a P2P mode; hosts in different NATs achieve penetration of the NATs to achieve two-way transmission of sensing and control data between different local area networks and between an outer network and the local area networks, and the two-way transmission is based on built-in devices in the internet of things in the NATs and universal devices. The method is based on the technology of interactive communication building modes, traversing NAT modes of STUN and TURN are combined, and the method is a comprehensive NAT solution.

The invention discloses a hot-air drying machine capable of utilizing waste heat and achieving penetrating countercurrent fluidization. The upper portion of a drying tower is connected with an induced draft fan, and the induced draft fan is connected with a cyclone dust removing waste heat efficient recoverer formed by a tube-type heat exchanger and a cyclone dust collector in an overlapped manner in the tangent direction and then is emptied; the air inlet end of the shell side of the tube-type heat exchanger is communicated with the atmosphere, and the air outlet end of the shell side of the tube-type heat exchanger is connected with the lower portion of the drying tower through an air blower and a steam finned heater; and an impeller of the induced draft fan is of a structure that blades are in a hollow and wedged shape, and the contour line of the appearance of the induced draft fan is an involute. According to the hot-air drying machine capable of utilizing the waste heat and achieving the penetrating countercurrent fluidization, creative integration is conducted on waste heat utilization and dust removal, the cyclone dust removing waste heat efficient recoverer is designed out, the equipment input is reduced, and the work efficiency is improved; and due to the fact that sieve mesh cone covers, sieve mesh cone discs, discharging tubes, a stretching vibration transmission shaft and conical plugs are arranged, penetrating, countercurrent, boiling and fluidization drying of materials are exquisitely and perfectly achieved, more energy is saved, the drying quality is higher, the power consumption of the induced draft fan is lower, and the application prospect is wider.

The invention discloses a method for treating a hard roof through hydraulic fracturing. The method comprises the following steps: (1) determining a stress state of the hard roof to be fractured; (2) selecting corresponding two different fracturing schemes according to the obtained stress state; (3) selecting drilling positions and drilling parameters and constructing fracturing drill holes; (4) carrying out hydraulic fracturing on the hard roof. The method has the advantage that the corresponding two different fracturing schemes can be adopted in accordance with the physical circumstance that terrestrial stresses are different. Compared with the former fracturing methods, the method has the advantages that the consideration is more comprehensive, the selection of fracturing methods is more flexible, the fracturing operation is more target-oriented, the forming of fractured cracks, which are beneficial to the weakening of hard roofs covering coal beds, is better facilitated, thus, the hard roofs are weakened, finally, the timely fracture of the hard roofs is achieved, the step pitch of roof weighting is shortened, the appearance of high mineral pressure of a working face is reduced, and the underground safe production of coal mines is facilitated.

An embodiment of the invention discloses a user behavior data processing method and device, an electronic device and a storage media. The method comprises the following steps: obtaining offline behavior data corresponding to an offline behavior, wherein the offline behavior data comprises first behavior data and first time information corresponding to the first behavior data; obtaining online behavior data generated based on the offline behavior, wherein the online behavior data comprises user identification information, second behavior data and second time information corresponding to an online behavior; matching the first time information and the second time information, and matching the first behavior data and the second behavior data; and when the first time information and the secondtime information meet time match, and the first behavior data and the second behavior data meet object match, associating the offline behavior data with the online behavior data corresponding to the same user identification information.

The invention relates to an extraction system of a coal seam gas, comprising a coal mine underground clustered directional drilling group, a vertical well, an underground main extraction pipeline, an underground subhorizontal directional drilling orifice connecting pipeline, an underground water discharge box, a well head and a well head coal seam gas extraction pipeline, wherein the vertical well is arranged in an area near a directional drilling final hole and within a range of a ground clustered directional drilling track projection area, penetrates through a rock stratum, a rock stratum, a coal seam roof and a target coal seam and extends into a coal seam floor; the well head of the vertical well is provided with a ground extraction pipeline of the coal seam gas; the underground water discharge box is arranged in a coal mine underground roadway and connected with the coal mine underground clustered directional drilling group through the underground subhorizontal directional drilling orifice connecting pipeline penetrating through the target coal seam; and the upper end of the underground water discharge box is connected with the underground main extraction pipeline of the coal seam gas through a pipeline to form the three-dimensional extraction system. The invention has mature technology, little construction risk and difficulty and lower cost.

The invention discloses an alternating current electrified railway in-phase continous power supply system based on multi-port direct current transmission. The system comprises more than one three-phase high-voltage alternating current power supply, direct current converters used for converting three-phase high-voltage alternating current into high-voltage direct current, a high-voltage direct current transmission loop used for transmitting the high-voltage direct current to a loop of each traction transformer, alternating current converters used for converting the high-voltage direct current into low-voltage single-phase alternating current, and a contact network system connected with an output end of the alternating current converter, wherein the contact network system is divided into an alternating current bus and a return line which takes power by a locomotive and then flows back from a steel rail. The system has the advantages that the system is simple in structure principle, high in safety and reliability, and easy to realize and popularize.

The invention discloses a mesoporous silica drug-loaded nanoparticle. Mesoporous silica is used as a drug carrier, and is wrapped with a polydopamine layer; through a Schiff base addition reaction, the raw material is connected to tumor-directed osmotic peptide iRGD and poly (2-ethyl-2-oxazoline) so as to obtain the mesoporous silica drug-loaded nanoparticle MSN (at) PDA-PEOz-iRGD. The invention also discloses a preparation method of the above drug-loaded nanoparticle. By loading the prepared drug-loaded nanoparticle on an anti-cancer drug, the drug has obvious pH-responsive release, obvious tumor cell targeting ability and good photothermal treatment effect and good antitumor effect in vivo and in vitro, and provides theoretical basis for the research of novel targeted drug delivery system.

The invention discloses a rainwater penetrating-discharging integrated ecological system, which comprises penetration inspection wells distributed on the ground of residential areas, penetration drainage ditches which are in a network shape and connected on all the penetration inspection wells and transversal connecting pipes between the penetration inspection wells and the penetration drainage ditches. Permeable holes are formed on the side walls and at the bottoms of the penetration inspection wells, a gravel layer is laid in the peripheries of the penetration inspection wells, a layer of permeable geotextile is laid in the peripheries of the gravel layer, wellheads of the penetration inspection wells are provided with dirt-catching and sewage-blocking baskets therein and permeable well covers are covered on the wellheads; permeable holes are formed on the side walls of the penetration drainage ditches, the peripheries of the penetration drainage ditches are provided with the gravel layer, the peripheries of the gravel layers are provided with a layer of permeable geotexile, and the top parts of the penetration drainage ditches are covered with grate covers of the drainage ditches. The invention has the advantages of simple design principle and convenient construction. The invention can save water consumption, reduce rainwater runoff in a city and relieve municipal drainage pressure, thereby not only realizing early draining of rainwater, purifying water, but also realizing the penetration of rainwater, conserving underground water source and beautifying the peripheral ecological environment.

The present invention relates to a method for data conversion between stress analysis and three-dimensional models in pipeline design. The method for data conversion from a stress analysis model to a three-dimensional model comprises: A. establishing a stress analysis model, and traversing the stress analysis model to obtain an element parameter that includes various level information; B. based on the obtained information, generating an immediate file according to a format that can be parsed by three-dimensional model software; C. establishing an element level database of the three-dimensional model software; and D.assigning a real level model to a corresponding branch and element according to a level of the immediate file, and generating a three-dimensional model in the three-dimensional model software. According to the method provided by the present invention, repeated input of data can be reduced greatly, the workload of designers is decreased obviously, design efficiency is also increased significantly, human errors are reduced, mutual conversion of data in different software is realized, and collaborative design is achieved by different professional fields.

The present invention discloses a millimeter wave holographic scan imaging apparatus for inspecting a human body. The apparatus includes a first millimeter wave transceiver device (40) comprising a first millimeter wave transceiver antenna array (41) for transmitting and receiving a first millimeter wave signal; a second millimeter wave transceiver device (40′), which comprises a second millimeter wave transceiver antenna array (41′) for transmitting and receiving a second millimeter wave signal, and is configured in opposite direction with relation to the first millimeter wave transceiver device; a connection member (26, 27) for connecting the first millimeter wave transceiver device (40) to the second millimeter wave transceiver device (40′); and a drive device (50), which drives one of the first and the second millimeter wave transceiver devices such that the first millimeter wave transceiver device (40) and the second millimeter wave transceiver device (40′) move in opposite directions.

The invention discloses an NAT traversal method which can increase the success rate of traversal. The NAT traversal method comprises the auxiliary logon procedure of a traversal server and the data exchange procedure. According to the data exchange procedure, after the traversal server receives the request of a terminal user, log-on messages of the terminal user A and a terminal user B are searched for, if the logon message of the terminal user B can be inquired, NAT equipment types of the terminal user A and the terminal user B are determined firstly, and the terminal user A and the terminal user B carry out data transmission through an address and a port number of a direct connection channel.

The invention discloses a preparation method of graded porous carbon. According to the technical scheme, the preparation method comprises the steps: firstly, adding a foaming agent into a low-melting-point solid carbon-containing substance, and mixing for later use; then under a certain pressure and atmosphere, heating to a temperature T1, and homogenizing for t1; and under a certain pressure andatmosphere, heating to a temperature T2, carrying out a reaction for t2, heating to a temperature T3, carrying out a reaction for t3, cooling to room temperature, cleaning and drying to obtain the graded porous carbon. The basic concept of the invention comprises that a macroporous structure is formed by a foaming technology, the porosity of the carbon material is further increased by utilizing generated reducing gas, and then more micropores and small mesopores are generated by utilizing cracking and intercalation of anode ions under heat treatment to form porous carbon with a micropore-mesopore-macroporous hierarchical pore structure. The method has the advantages of being high in operability, large in aperture adjusting range, accurate in regulation and control and the like.

The invention discloses a wear-resistant, hydrophobic and lipophilic material. According to the wear-resistant, hydrophobic and lipophilic material, a lipophilic substrate material is adopted, metal stearate is adhered to the surface of the substrate, and a wear-resistant and hydrophobic surface layer is formed on the surface of the substrate by using the hydrophobic characteristic of the metal stearate, so that wear-resistant, hydrophobic and lipophilic effects are achieved. The material is low in cost, has good hydrophobic characteristic and lipophilic characteristic and can be applied to oil-water separation technologies, and an oil-permeable and water-impermeable meshed membrane is achieved; and the material is applicable to the separation of water-insoluble organic solvents such as kerosene, gasoline, diesel, engine oil, toluene, dichloromethane, vegetable oil and petrol from water.

The invention discloses a work-piece crack detection method based on an RFID (Radio Frequency Identification Device). The work-piece crack detection method comprises the following steps: installing a fragile RFID electronic tag at a crack position to be detected of a detected work-piece in advance, so that the fragile RFID electronic tag is respectively connected and fixed with two sides of the crack position to be detected on the detected work-piece; and reading the installed fragile RFID electronic tag at the crack position to be detected on the detected work-piece by adopting an RFID electronic tag reader in need of detecting the crack of the detected work-piece, if reading successfully, judging that the crack is not generated at the crack position to be detected on the detected work-piece, and if not, judging that the crack is generated at the crack position to be detected. According to the invention, a work-piece is unnecessary to take down from equipment; and the work-piece crack detection method has the advantages of being rapid in identification speed, wide in identification range, easy to operate and control, simple, practical, small in equipment volume, flexible in shape, convenient in data format updating, good in safety and wide in application range and is capable of realizing penetrability and non-barrier detection.

The invention discloses a data resource management method and system. The management method includes the steps of service data accumulation, service data extraction and main data processing. The management system comprises a service data accumulation module, an extraction, transformation and loading module, a main data management module and a metadata management module. According to the data resource management method and system, the problems of data confusion and low credibility are effectively solved by the technical means of data accumulation, extraction, analysis, mining and the like, so that the transparency and availability of data resources are improved, and the technical purposes of integrating enterprise internal data, improving the collaboration efficiency of various departments, effectively reducing the operating cost of town gas enterprises and the like are achieved.

The invention discloses a device and method for in-vivo micro-bubble control and imaging. The device comprises a support type in-vivo implanting structure, drug-loading micro-bubbles, a control arraytransducer unit and an imaging array transducer unit. Drug particles are loaded on the surfaces of the micro-bubbles or in the micro-bubbles, the drug-loading micro-bubbles are captured and gathered by the support type in-vivo implanting structure under the action of a local-area sound field, the micro-bubbles are broken by changing the ultrasonic intensity, and the drug particles are released. The control array transducer unit is used for transmitting power ultrasonic to excite the support type in-vivo implanting structure to vibrate and capture the drug-loading micro-bubbles in blood vessels. The imaging array transducer unit is used for emitting pulse waves, receiving echo signals from different positions, and imaging the micro-bubbles, the support type in-vivo implanting structure andtissue structures. According to the device, the resonance sound field generated by the support type in-vivo implanting structure is utilized, so that the micro-bubble aggregation in the blood vesselsis controlled; an ultrasonic transducer used for imaging is additionally arranged, and the micro-bubble control effect can be observed in real time.

The invention discloses a non-power bogie for a 100% low-floor vehicle. The non-power bogie comprises a framework and two axles, the framework comprises two side beams and two cross beams, the two ends of each axle are connected with axle boxes, elastic wheels and brake discs and installed at the bottoms of the side beams, the middles of the side beams sink downwards, transverse stopping parts are arranged on the inner sides of the side beams, the positions, located outside the side beams, of the two cross beams are provided with secondary suspension installation bases, the secondary suspension installation bases are provided with secondary suspensions, vertical stopping parts and vertical dampers, a magnetic track braking device is connected between the axle boxes located on the same side, the identical ends of the two side beams are respectively provided with a traction rod, the different ends of the two side beams are provided with transverse dampers and braking clamps respectively, the braking clamps are connected with energy accumulators and hydraulic braking units, and all the parts except for the traction rod are symmetrically disturbed about the central point of the framework. The non-power bogie for the 100% low-floor vehicle achieves the purpose that the lower floor surface of the vehicle is through totally, and meets the requirements of the 100% low-floor vehicle; the whole non-power bogie can rotate by 180 degrees in use and is high in flexibility.

The invention provides a method for dynamically penetrating the interior of a local area network. The method comprises the following steps: a client and server structure is established between a client and a public network IP server by using intranet equipment in the local area network; the intranet device and the public network IP server establish TCP connection through a private protocol, and establish a management plane channel; when reverse data penetration is needed, the public network IP server notifies the intranet equipment to establish a PPTP tunnel, namely a data plane tunnel, through the management plane channel; the intranet equipment establishes a PPTP tunnel with a public network IP server; the public network IP server communicates with the intranet equipment through the established PPTP tunnel; and when the service is stopped, the intranet equipment and the public network IP server clear the routing configuration of the PPTP tunnel. According to the method, the C/S architecture is established, the tunnel connection is dynamically established, resources are distributed as required to realize local area network intranet penetration, and the method can be suitable for equipment with weak edge computing capability.

The invention discloses a power truck for a 100% low-floor vehicle. The power truck comprises a framework and two axels. The framework comprises two side beams and two cross beams. The two ends of each axel are respectively connected with an axle box, an elastic wheel and a brake disc and are installed at the bottom of the corresponding side beam. A sand box is arranged on the top of one end of each side beam. An air compressor is installed on each sand box. The middle portion of each side beam is recessed, and a transverse stop is arranged on the inner side of each side beam. A secondary suspension mounting base of the two cross beams is arranged outside the side beams. A secondary suspender, a vertical stop and a vertical damper are arranged on the secondary suspension mounting base. A magnetic track braking device is connected between the every two axle boxes on the same side. The ends, which are the same, of the two side beams are respectively provided with a traction rod. The ends, which are different, of the two side beams are provided with a transverse damper and a braking clamp respectively. The braking clamp is connected with a braking release unit and a braking hydraulic unit. All the components except the traction rod are symmetrical about the center of the framework. By means of the power truck, a low floor surface of the vehicle is overall through, and the specification requirements of the 100% low-floor vehicle are met; the power truck can rotate by 180 degrees as a whole to be used, thereby being high in flexibility.

The invention provides a permeable brick paving ground. The permeable brick paving ground sequentially comprises a non-sand permeable concrete cushion, a dry-sand leveling layer and a surface layer from an original earth road foundation from bottom to up, wherein the dry-sand leveling layer is a coarse sand layer; the surface layer comprises grid face bricks and permeable bricks in various grid units formed by the grid face bricks in an encircling manner. A construction method of the permeable brick paving ground comprises the following steps: constructing a draining canal in an earth road foundation; constructing the non-sand permeable concrete cushion; paving the grid face bricks to divide a square ground into a plurality of grid units; then vertically building the permeable bricks of the surface layer in the grid units; finally, carrying out dry-sand seam sweeping to compact brick joints. According to the permeable brick paving ground, all the structural layers have the ventilated and permeable function; meanwhile, water seepage on the ground and the draining canal in the ground are combined together to form a perfect ground rainwater drainage and seepage system; when the rain is relatively light, rainwater directly seeps underground through the ground; when the rain is relatively heavy, rainwater is removed by mainly adopting the draining canal, and is assisted by ground water seepage; the permeable brick paving ground is good in effects of water drainage and seepage.