822results about How to "Flexible usage" patented technology

The invention discloses a tunnel arch center installation operation vehicle. The tunnel arch center installation operation vehicle comprises a machine frame, a travelling mechanism, a traction mechanism, an arch center lifting device for lifting tunnel arch centers which are arranged on the rear part of the machine frame and are needed to be installed one by one, and an arch center transferring mechanism for transferring the arch centers which are lifted by the arch center lifting device one by one through alignment and adjustment; the arch center transferring mechanism comprises a translating trolley which can move forward and backward on the upper part of the machine frame, a lifting mechanism for stably lifting the tunnel arch centers, and a left and right movement mechanism for driving the lifting mechanism to synchronously move left and right; and the translating trolley, the left and right movement mechanism, and the lifting mechanism align and adjust the tunnel arch centers front and back, right and left and up and down respectively. The tunnel arch center installation operation vehicle has a reasonable design, is convenient to assemble, and easy and convenient to operate, safe and reliable in working performance, and good in a using effect, and can solve the problems of large working difficulty in movement and accurate positioning of steel arch centers after lifting during the installation of the conventional steel arch centers, low installation efficiency, large labor intensity and the like.

The invention discloses a privacy leaking detecting method and system for android application network communication. The method comprises the following steps: crawling android application to be detected, and building an application set to be detected; building a main-in-the-middle attack server; initializing each tester environment; arranging a multi-tester distributive running scheduling system; analyzing APK files of the application to be detected; installing the application program corresponding to the APK file, and driving the application program to run; analyzing a log file created by the Burp Suite, and acquiring the application set with SSL man-in-the-middle attack; analyzing a network data pack file created in the running process of the collected application program; recognizing the privacy leaking type of the network data pack file according to the application set with the SSL man-in-the-middle attack. The method is flexible to use, and automatic in the whole process; the android system and the android application program structure are not modified; the privacy leaking behavior of the android application in the network communication process can be safely and accurately detected.

The invention discloses a filing layered sedimentation monitoring device and method. The monitoring device comprises a bottom sedimentation monitoring unit, a middle sedimentation monitoring unit and a ground surface sedimentation monitoring unit which are buried in a soil layer to be monitored from bottom to top and are vertically arranged. Burying holes are formed in the soil layer to be monitored. An anchoring head is arranged under the bottom sedimentation monitoring unit. The bottom sedimentation monitoring unit, the middle sedimentation monitoring unit and the ground surface sedimentation monitoring unit are all provided with inclinometer pipes, extensible pipes arranged on the outer sides of the inclinometer pipes in a sleeving mode and displacement sensors installed on the upper portions of the inner sides of the inclinometer pipes. The monitoring method comprises the steps that firstly, drilling of the burying holes is conducted; secondly, the bottom sedimentation monitoring unit is installed; thirdly, the middle sedimentation monitoring unit is installed; fourthly, the ground surface sedimentation monitoring unit is installed; and fifthly, layered sedimentation monitoring is conducted. The filing layered sedimentation monitoring device and method are reasonable in design, convenient and easy to operate, convenient to bury, high in measuring precision and capable of effectively solving the problems that existing layered sedimentation monitoring equipment is large in equipment burying workload and low in measuring precision.

The invention provides a read-only mode mobile storage device. The device comprises a processing chip, a data transmission unit, a storage unit and a user authorization management module, wherein the processing chip is responsible for controlling command transmission and execution in a whole system; the data transmission unit is used for providing an interface for the mobile storage device to communicate with peripheral equipment; the storage unit is used for storing data; and the user authorization management module is connected with the processing chip and used for managing access modes of files, judging category of a user access data command, permitting the user to read data if the data command is read-only, sending a prompt of needing to input verification information to the user if the user access data command is non-read data command, permitting the user to perform the non-read data command if verification passes, and otherwise rejecting the user to perform the operation. By the device, a product owner can perform data reading, deletion, modification and the like, non-product owners can only read the data, and accordingly data disclosure can be permitted on the basis of guaranteeing file completeness and originality.

The invention discloses a high ground stress weak surrounding rock tunnel excavation and support construction method. Excavation and support construction are conducted on a weak surrounding rock tunnel to be constructed in multiple sections from rear to front in the longitudinal extension direction of the tunnel. The method comprises the steps that 1, rock body strength and the maximum ground stress inside surrounding rock are tested; 2, the extrusion-type large-deformation level of the surrounding rock is determined; 3, a primary support scheme is determined, wherein the primary support scheme is determined according to the determined extrusion-type large-deformation level, and the primary support scheme is a profile steel frame support scheme or a grid steel frame and cover arch combined support scheme; 4, tunnel excavation and support construction are conducted; 5, excavation and support construction of the next section are conducted; 6, the fifth step is repeated for many times till the whole excavation and support construction process of the weak surrounding rock tunnel to be constructed is completed. According to the high ground stress weak surrounding rock tunnel excavation and support construction method, the steps are simple, the design is reasonable, construction is convenient, the use effect is good, the tunnel excavation and support construction process of the high ground stress weak rock tunnel can be completed easily, conveniently and rapidly, and the construction process is safe and reliable.

The invention relates to a method for preparing an antibacterial and antifungal agent on the surface of buildings, adding film-forming aids, nano-TiO2, dispersants, emulsifiers, multifunctional auxiliary agents and antifungal agents to coating emulsions for architectural coatings. The weight percentage of each component is controlled as follows: 20%-90% of coating emulsion, 0.1%-5% of nano-TiO2, 0.1%-10% of film-forming aid, and 0.05%-0.5% of dispersant , 0.1% to 1% emulsifier, 0.1% to 1% multifunctional additive, 0.1% to 10% anti-mold additive, and 5% to 70% water. The antibacterial and antifungal agent prepared by the present invention can be sprayed on the surface of buildings at any time to renew the catalytic antibacterial and antifungal coating. The catalysis and antifungal agent have synergistic bactericidal and antifungal effects, can remove volatile gases such as formaldehyde VOC, and have a simple preparation method, few additives, and low production cost.

The invention relates to an automatic tuning device which comprises an audio input module, a volume control module and an audio output module, wherein the volume control module is connected with the audio input module; and the audio output module is connected with the volume control module. The automatic tuning device also comprises a noise detection module, a volume constant input module and a volume setting module which is connected with the noise detection module and the audio input module. The invention also relates to an automatic tuning method and a multimedia player, wherein the multimedia player comprises the automatic tuning device. Through the invention, the function of automatically adjusting the volume according to the noise decibels of different environments is realized without needing a user to manually adjust the volume time after time, thus the automatic tuning device is convenient to use and enables the user to better enjoy audio files such as music and the like.

The invention aims at providing a positioning method based on cloud computing. The method comprises steps: 1, a user terminal transmits reference data to the cloud end; 2, the cloud end carried out position computation according to the reference data; and 3, the cloud end returns position information. When the technical scheme of the invention is adopted, the problems that the computing ability of the user terminal is insufficient, the power consumption during the operation is large, the computing time is long, the real-time precision of a single machine is not high and the like in the current high-precision positioning structure and mode can be solved. The user only needs to pay for little network service fee and quick, high-precision and real-time positioning results can be acquired. The user terminal can be freed from heavy positioning computation, thereby reducing the power consumption of the user terminal and improving the continuous navigation ability. Once the cloud end is built successfully, the system can be used for a long time. Flexible use modes are provided. For the user terminal, especially the terminal user of Beidou, the cost and the power consumption can be greatly reduced, and industrialization development of Beidou is facilitated.

The invention relates to a virtual-axis millimeter-wave human body security check system. The system comprises a virtual-axis guide rail unit, a scanning unit, a scanning driving unit, a data processing unit and a display unit, wherein the virtual-axis guide rail unit comprises a first circular-arc-shaped guide rail; the scanning unit comprises a first group of millimeter-wave antenna arrays and a first millimeter-wave transceiver; the scanning driving unit is used for driving the first group of millimeter-wave antenna arrays to scan in a reciprocating virtual-axis circular-arc-shaped locus on the first circular-arc-shaped guide rail; the data processing unit is used for processing a detection signal from the scanning unit to form a human body image to be detected; the display unit is used for displaying the at least one human body image to be detected. In the human body security check system disclosed by the invention, a virtual-axis scanning way is used, the motion load does not need to be reduced, and the rotational inertia is reduced, so that the scanning speed is increased. The system is small in occupied space, and a single / double-module security check system can be assembled more flexibly according to the size of a practical space and the checked amount.

The invention discloses a portable Terahertz remote sensing detector and a remote detection method. The detector comprises a signal generating device, a detector, a processor and an imaging display device, wherein the signal generating device comprises a Terahertz wave radiation source, a broadband tunable laser and a plasma generator; and the detector comprises a receiving element, a detecting element and a signal modulation circuit. The detection method comprises the following steps of: 1, dividing scanning subregions and pixel points and encoding scanning output frequencies of various scanning subregions; 2, arranging an assembly and generating a remote detection signal; 3, performing two-dimensional scanning; and 4, performing signal analysis processing, namely rapidly imaging and generating a Terahertz wave image with frequency spectrum characteristics, identifying a material type of a tested object, generating a charge coupled device (CCD) image and identifying the shape of the tested object. The detector is reasonable in design, easy to operate, flexible in detection mode, wide in application range and good in detection effect, and can fulfill the aims of rapidly imaging and remotely detecting by combining THz and induced fluorescence spectrum analysis with space imaging.

The invention relates to a soft cloth subsealing type shallow water undisturbed surface sediment sampler comprising a sampling sleeve, a sampling mechanism and a sampling liner. The soft cloth subsealing type shallow water undisturbed surface sediment sampler is characterized in that the sampling sleeve comprises a sampling drill bit, a sampling cylinder, an outer counterweight deckle board, an upper cover plate and a hard connecting rod; the sampling mechanism comprises a lifting rope, a lifting rod, a lifting rod fixing frame, a side face connecting shaft, a side face connecting shaft baffle, a cable wire, a pulley, a slide rail of side face connecting shaft, a bottom connecting shaft, soft waterproof subsealing cloth, a spring bolt and a fixing mechanism of soft waterproof subsealing cloth; and the sampling liner comprises a sampling liner outline border, a sampling liner soleplate and a sampling liner soleplate inserting mechanism. The soft cloth subsealing type shallow water undisturbed surface sediment sampler disclosed by the invention has the advantages of large sampling area, high sampling success rate, non-damage on physical structure and sequence structure of surface sediment, and the like, and the sampler is capable of meeting collecting demand of shallow water surface sediments and is particularly suitable for collecting surface sediment samples within 3m water depth.

The invention provides a streaming media audio file play method based on a mobile terminal memory card cache technology, in the method, a predetermined storage region in a memory card externally connected with the mobile terminal is used as a cache region specially used for caching the streaming media audio file, so that one or more integral streaming media audio files can be stored in the cache region, users can repeatedly listen to the audio files only by reading the cached files again without downloading from a streaming media server, time and data communication cost are saved for the users, and the cache occupies no memory capacity of a mobile terminal processor and has no influence on system processing capability of the mobile terminal; simultaneously, a technical means of the mobileterminal external memory card is mature and used widely, technicians of the field can easily set the cache region in the memory card, and maneuverability is very strong.

The invention discloses a large-deformation control construction method for a high ground stress weak surrounding rock tunnel. A plurality of segments are arranged in the longitudinal extending direction of the tunnel from back to front to construct the constructed weak surrounding rock tunnel. The method comprises the steps that firstly, the rock strength and surrounding rock interior maximum ground stress test is carried out; secondly, the large extrusion deformation grade of the surrounding rock is determined; thirdly, a primary support scheme is determined; fourthly, tunnel excavation and primary support construction are carried out; fifthly, longitudinal tunnel strengthening structure construction is carried out; sixthly, tunnel secondary lining construction is carried out; seventhly, construction of the next segment is carried out according to the first step to the sixth step; and eighthly, the seventh step is repeated many times till the whole construction process of the constructed weak surrounding rock tunnel is finished. According to the method, the steps are simple, the design is reasonable, construction is convenient, and the using effect is good. The tunnel construction process of the high ground stress weak surrounding rock tunnel can be easily, conveniently and rapidly finished, the construction process is safe and reliable, and the large deformation of the weak rock can be effectively controlled.

The invention discloses a water-rich weak surrounding rock long-and-big tunnel construction method. The method includes that a tunnel inclined shaft is arranged on one side of a main tunnel of a tunnel to be constructed, the main tunnel is divided into a tunnel entry section, a tunnel exit section and a middle connecting section connected between the tunnel entry section and the tunnel exit section, the middle connecting section is divided into an inclined shaft assisting construction entry section and an inclined shaft assisting construction exit section, and each of the tunnel entry section, the tunnel exit section, the inclined shaft assisting construction entry section and the inclined shaft assisting construction exit section is divided into multiple sections for construction. A construction method of each section includes: step 1, performing geological forecasting in advance, and when a debris flow formation exists ahead, entering a step 2, or else, entering a step 3; step 2, performing stability control construction; step 3, determining a primary supporting scheme; step 4, excavating the tunnel, and performing primary supporting construction; step 5, performing secondary lining construction on the tunnel. The water-rich weak surrounding rock long-big tunnel construction method is simple in step, reasonable in design, simple and convenient to construct, good in using effect, capable of meeting construction requirements of water-rich weak surrounding rock long-and-big tunnels, short in construction period and safe in construction process.

The invention provides a purification material of gas-state pollutants. The purification material takes an adsorption material as a carrier; titanium dioxide, manganese oxide and reduced-state noble metal are loaded on the carrier, wherein the loading amount of the titanium dioxide is 0 to 60 percent of the mass of the adsorption material; the loading amount of the manganese oxide is 0.1 to 10 percent of the mass of the adsorption material; the loading amount of the reduced-state noble metal is 0.01 to 1 percent of the mass of the adsorption material; the reduced-state noble metal is one or two or more than two of platinum, palladium, gold and silver; the titanium dioxide is modified by adopting an ion doping modification manner and a photocatalyst is loaded by the adsorption material with a high adsorption property, so that a composite catalyst with high efficiency, low cost and no secondary pollution is prepared; the composite catalyst can be used for purifying VOCs (Volatile Organic Chemicals) including formaldehyde, benzene, toluene and the like in indoor air and eliminating O3 gas-state pollutants under room temprature; the disadvantage of an existing air purification technology that the efficiency of removing the gas-state pollutants is low is overcome.

The invention discloses a long screw extrusion-socketed cast-in-place pile construction method based on circulating slurry breast wall, comprising the steps of first, burying a protective barrel and setting a slurry circulating system that comprises a slurry storage tank and a slurry pumping device, with the upper portion of the protective barrel provided with an overflow hole; second, drilling to form a borehole; third, lifting a drill pipe, and casting a slurry breast wall under high pressure: lifting up the drill pipe, and continuously casting wall supporting slurry from bottom to top from the borehole bottom through the drill pipe by using the slurry pumping device; fourth, lowering a reinforcement cage; fifth, casting concrete underwater and recycling the wall supporting slurry, and recycling the wall supporting slurry discharged through the overflow hole to the slurry storage tank for backup. The method has simple steps, is easy to implement, has high hole-forming quality and good construction effect, and enables the construction of a long screw extrusion-socketed cast-in-place pile to be finished simply and quickly, and by casting the wall supporting slurry from bottom to top from the borehole bottom in a high-pressure casting manner, it is possible to effectively protect the wall and keep the borehole bottom clean with no deposit; the wall supporting slurry is reusable.

The invention relates to a production method of low-rack coal degradation liquid. Low-rack coal used as a raw material is added with 2-10% of mixed oxidizing agent, 0.1-0.6% of negative catalyst and 0.2-0.5% of stabilizer to oxidize and degrade the low-rank coal, and the mixture is subjected to oxidation reaction, centrifugalization, filtering and vacuum rotating evaporation to obtain colourless low-rack coal degradation liquid. The colourless low-rack coal degradation liquid used as a new product has good effects in promoting growth and development of crops, increasing crop output, improving the crop quality, improving the seed germination rate, improving the plant salt resistance and the like, and is a multi-functional crop conditioner (plant conditioner); the process is simple, energy-saving and environment-friendly, and high in efficiency; one set of equipment can produce the low-rack coal degradation liquid and fulvic acid simultaneously, and the low-rack coal degradation liquid is safe and non-toxic, has strong appetency to plants, can take effect rapidly and is convenient for use.

The invention discloses an automatic device for air-purifying, which comprises an automatic device main body. The automatic device main body comprises a shell body of the automatic device main body, a driving wheel, a control unit and an air-purifying device. The air purifying device comprises the shell body of the air-purifying device, a suction hole for pumping the surrounding air, a discharge hole for discharging the purified air, an air flow channel, a filter and a suction driving source. The air-purifying device can be detachably arranged on the shell body of the automatic device main body. The device with the structure can allow the air-purifying device to be a complete independent part, thereby being applicable to various required places with flexible and variable use, and eliminating the additional cost of a user.

The invention discloses a smart park video conference system. The smart park video conference system comprises a conference server, a conference terminal which is connected with the conference serverthrough an ADLS (Asymmetric Digital Subscriber Line), a conference terminal which is connected with the conference server through a 3G / WIFI (3rd Generation / Wireless Fidelity) network, a conference terminal which is connected with the conference server through a 3G network card, a conference terminal which is connected with the conference server through a local area network, and a conference terminal which is connected with the conference server through an optical fiber network. The video conference system can provide different types of application modes and different types of login manners fora user. The video conference system has an audio function, a video function, a data collaboration function, a mobile smart terminal access function, a conference chairman control function, a system extension service function and a system management function. Through adoption of the smart park video conference system, a comprehensive and universal multimedia communication platform is provided forthe user, and different types of application modes are provided for the user through proper selection of audio / video hardware and external equipment and reasonable utilization of conference bandwidthresources.

The invention discloses a construction technology for a long-spiral cast-in-place pile extruded into rock. The construction technology comprises the following steps: 1) embedding a pile casing: embedding the pile casing in a pile position acquired by surveying and setting out; 2) drilling a hole: downward drilling by a long-spiral pile machine and acquiring a constructed and formed hole after drilling in place; 3) lifting a drill rod and protecting a wall with slurry: upward lifting the drill rod after drilling in place till taking the drill rod out of the formed hole, adopting a grouting device and pumping the wall-protecting slurry through the drill rod during the process of upward lifting the drill rod, and protecting the wall with the slurry for the formed hole; 4) putting down a reinforced bar cage; 5) grouting concrete: performing concrete grouting construction on the constructed long-spiral cast-in-place pile extruded into rock through a concrete pumping device and a grouting guide tube. The construction technology provided by the invention has the advantages of simple steps, convenience in realization, high hole quality, good construction effect and capability of effectively solving the problems of the present construction for the long-spiral cast-in-place pile extruded into rock that the hole wall is easy to collapse, the hole is repeatedly cleaned, the construction efficiency is low, and the like.

The invention discloses an online three-dimensional rendering technology and system based on a cloud platform, the system comprises a WEB front-end system, the WEB front-end system comprises an accesslayer and a front-end UI, and the access layer comprises a mobile phone and a PC terminal. A communication layer, a service layer and a data layer, a model subtraction optimization algorithm is adopted to carry out lightweight processing on a model file; a step of compressing a lightweight model after surface reduction optimization and a step of optimizing a model file through a real-time communication protocol are included. In addition, a parallel algorithm and a dynamic computing power rendering algorithm of a rendering pipeline are adopted to carry out lightweight processing on the model file; a user can obtain high-quality 3D rendering on any lightweight terminal; according to the online three-dimensional rendering system of the cloud platform, a product in a design is rendered and generated in the cloud server, designers from various countries or various regions can design in the same platform and directly communicate with each other to see a law and make a conclusion, and the modified design is verified together.

The invention discloses an experimental device and a method for measuring rock mechanics parameters under action of ultrasonic wave and chemistry. The experimental device comprises a closed box body for placing a rock core to be tested, a rock mechanics testing machine for symmetrically loading the rock core to be tested from a left side and a right side through a left side loading shaft and a right side loading shaft, an ultrasonic transducer, an ultrasonic generator, a hydraumatic pressurizer, a vent valve arranged on the upper part of the closed box body, a pressure measurement unit, an ultrasonic power detector, an ultrasonic amplitude measuring instrument and a display unit. The experimental method comprises the following steps of: 1, preparing an experiment; 2, adding a chemical reagent; 3, carrying out ultrasonic treatment; and 4, booting loading and simultaneously carrying out rock mechanics parameter measurement in a loading process. The experimental device has a reasonable design, is convenient to install and arrange, has complete functions, is simple and convenient to use, has good use effect, and can be used for efficiently and quickly finishing a rock mechanics parameters measuring experiment of the rock core to be tested under the joint action of the ultrasonic wave and the chemical reagent.

The invention discloses a method for electrified spanning construction of a high-voltage power transmission and transformation line. The method comprises the following steps of: (1) preparation for construction: computing the position, the height and the width of a spanning frame; (2) building of the spanning frame: according to the designed spanning frame model, installing an auxiliary lifting pole for suspending pulleys on towers at two sides of a span of a newly-built line, suspending double-layer pulleys on the lifting pole, penetrating the double-layer pulleys by Deenyma ropes to form ropeways which are regarded as carrying ropes of a safety net and suspending the safety net under the carrying ropes through suspending belts and small pulleys; (3) extension of insulation guide ropes; (4) extension of conducting wires and ground wires: extending the conducting wires, the ground wires and installation accessories above the safety net by utilizing the insulation guide ropes; and (5) dismantling of the built spanning frame after the electrified spanning construction is finished. By applying the method disclosed by the invention, the advantages of cost saving in renting the spanning frame, high construction speed, good insulation strength, high reliability, high practicability, high superiority and better social and economic benefits are achieved.

The invention provides a formaldehyde elimination agent and a preparation method thereof. The formaldehyde elimination agent comprises a carrier and active components, wherein the carrier is macroporous silica gel with BET (Specific Surface Area) larger than 300 square meters / gram and an average pore size larger than 10 nanometers; the active components are manganese oxides, alkali metal oxides or carbonates and account for 1-20 percent of total weight in terms of metals; and the ratio of the amounts of substances of manganese and alkali metal elements is 1:10-10:1. The formaldehyde elimination agent provided by the invention has the advantages of easiness in preparation, low cost, good using effect, easiness in regeneration after inactivation, good application prospect and great reduction of the using cost of elimination agents.

The invention provides a prefabricated part production line. The prefabricated part production line comprises multiple stations and a conveying system. The conveying system comprises a first transverse conveying line, a second transverse conveying line, an intermediate conveying line, a first longitudinal conveying line and a second longitudinal conveying line. The first transverse conveying line and the second transverse conveying line are arranged on the two opposite sides of the intermediate conveying line respectively, the first longitudinal conveying line and the second longitudinal conveying line are connected to the two ends, opposite to the intermediate conveying line, of the first transverse conveying line and the second transverse conveying line respectively, and two ferry regions are formed. By the adoption of the prefabricated part production line, each conveying system corresponds to two complete production line procedures, and only one production line can be started or two production lines can be simultaneously operated. When the two production lines are simultaneously operated, the same prefabricated part products can be produced on the two production lines and different prefabricated part products can be produced. Use modes are flexible and diversified, adjustability and universality are high, the occupied floor space is small, and production efficiency is high.

The invention discloses a carbon fiber gas cylinder detection line and a carbon fiber gas cylinder detection method. The detection line includes, in a front-to-back arrangement manner, a water pressure test apparatus, a water pressure auxiliary test apparatus and an air tightness test apparatus. The water pressure test apparatus includes a test rack, a test operation bench, a pressurizing apparatus, a test case installed on the test rack, and test trolleys for stably placing a plurality of to-be-tested gas cylinders. The water pressure auxiliary test apparatus includes a gas cylinder fixture, a transporting trolley, and a gas cylinder water-pouring-away and drying device. The air tightness test apparatus includes an air tightness detection apparatus and a second air supply apparatus for supplying air to the to-be-tested gas cylinders. The air tightness test apparatus is in a cabinet structure or a ground trough structure. The detection method includes the steps of 1) water pressure test; 2) water pouring-away and drying treatment; and 3) air tightness test. The detection line is reasonable in design and simple in operations, is good in use effects, and can easily and quickly complete water pressure test and air tightness test for a plurality of carbon fiber gas cylinders.

The invention discloses plasma 3D printing remanufacturing equipment and method for a train wheel. The plasma 3D printing remanufacturing equipment consists of a monitoring system, a plasma beam processing system, a machining device for machining a train wheel to be repaired, a triaxial moving mechanism used for driving the machining device to move and a horizontal printing platform used for placing the train wheel to be repaired, wherein the plasma beam processing system consists of a plasma generator, a printing position adjusting device, an air supply device and a powder feeder; and the monitoring system comprises a horizontal movement controller, a temperature detection unit, a distance detection unit, a printing distance adjustment controller and a rotation controller, and the temperature detection unit and the printing distance adjustment controller constitute a temperature adjustment and control device. The plasma 3D printing remanufacturing method comprises the following steps: firstly, detecting defects of the train wheel; and secondly, repairing the train wheel. The plasma 3D printing remanufacturing equipment is reasonable in design, simple and convenient to operate, high in efficiency and good in using effect, the repair process is directly carried out in the atmospheric environment without a closed molding room, the repaired train wheel is good in quality, and the repair efficiency is high.

The invention discloses a screening agent for improving negative effect of clay on a cement concrete system of a polycarboxylic acid-doped water reducer and a using method thereof, wherein the screening agent is mixed from the following materials in parts by weight: 35-55 parts of sodium metasilicate pentahydrate, 30-50 parts of sodium tripolyphosphate, 7-15 parts of polyethylene glycol, 3-8 parts of sodium humate and 5-10 parts of sodium polyacrylate. When the screening agent is used for production of cement paste, cement mortar and concrete, the screening agent of the corresponding mass proportion only needs to be added, so that effect of improving the negative effect of clay on the cement concrete system of the polycarboxylic acid-doping water reducer can be achieved, and working performances such as liquidity, and the like, of the cement concrete system of clay can be effectively improved; and meanwhile, mechanical performances such as strength, and the like, of the system cannot be lowered.

The embodiment of the invention, which relates to the communication field, provides a resource allocation method and device, and a wireless access system. Using the method, device, and system, the resource utilization rate can increase and the resource utilization ways become flexible. The resource allocation method comprises: a wireless access device determines at least two kinds of first AI technologies needed by service transmission between UE and the wireless access device; the wireless access device allocates at least two first resources corresponding to the at least two kinds of first AI technologies one by one at a first carrier wave, wherein the at least two first resources are used for service transmission between the UE and the wireless access device; and the wireless access device sends first resource allocation information to the UE, wherein the first resource allocation information is used for indicating the first resource corresponding to the first AI technology needed to be employed by the UE receiving the first resource allocation information. The resource allocation method is applied to a screen of resource allocation for UE by a wireless access device.

The invention aims to provide a submarine pipeline clamp repairing connector comprising a first half-shell, a second half-shell, a first hydraulic cylinder and a second hydraulic cylinder. The first half-shell comprises a first gripping shell, a second gripping shell, a first compressing shell, a second compressing shell and a middle shell which are transversely arranged and connected in order; the middle shell is provided with a main radial seal groove and au auxiliary radial seal groove; the first gripping shell and the second gripping shell are provided with a first ball cage and a second ball cage, respectively; one side of the middle shell is provided with a connecting plate provided with a through hole. The first half-shell and the second half-shell are identical in structure; the first half-shell and the second half-shell are connected together through shell aligning pins inserted into through holes of respective connecting plates. The submarine pipeline clamp repairing connector allows a submarine pipeline to be quickly and reliably repaired without cutting it and is also suitable for connection of the submarine pipeline.