35results about How to "Guaranteed extension" patented technology

The invention relates to a preparation method of phosphate modified acrylate emulsion. The preparation method not only has relatively low cost, but also can effectively improve the flame retardation property of polyacrylate emulsion. The preparation method of phosphate modified acrylate emulsion comprises the following steps of: (1) primary polymerization: pre-emulsifying 10-20 parts of methyl methacrylate, 2-3 parts of methacrylic acid, 1-2 parts of acrylonitrile and 10-15 parts of styrene, then performing primary emulsion polymerization, and adjusting the pH value to obtain the primary polymerized emulsion; and (2) secondary polymerization: pre-emulsifying 30-45 parts of hydroxyl methacrylate substance, then adding the pre-emulsified product and 5-10 parts of phosphate monomer into the primary polymerized solution, and performing secondary emulsion polymerization to obtain the phosphate modified acrylate emulsion with a core-shell structure, wherein the phosphate monomer is trichloroethyl phosphate, trichloropropyl phosphate or n-ethyl phosphate; the molecular weight of polymer in the obtained phosphate modified acrylate emulsion is 2000-3000; and the particle size is 0.2-0.6 mum.

The invention discloses a protection fault information processing system based on dynamic load balance and mutual hot backup, which can cause a master station system to adjust concurrent data processing in the master station system in real time in accordance with load conditions. The technical scheme is as follows: the system comprises a dispatching machine and a plurality of preposed processors, wherein the dispatching machine is connected with each preposed processor; the dispatching machine is connected with an online client-side so as to sort and allocate external data processing requests to the preposed processors uniformly in accordance with a dynamic allocation principle and then perform task adjustment and secondary allocation in accordance with response conditions; and a symmetrical system structure is formed among the preposed processors, and each preposed processor separately provides services for the outside and processes the data requests after receiving the data processing requests allocated by the dispatching machine.

The embodiments of the present invention provide a method, an apparatus and a system for data transmission, the method comprises: reusing, when the hop number of a branch in a radio communication network is greater than a predetermined hop number, resources of the predetermined hop number on links with different hop numbers in the radio communication network. The method, apparatus and system provided by the embodiments of the present invention may guarantee the real time traffic transmission of a forwarding network, improve the spectrum efficiency of the forwarding network and assure the dynamic expansion of the forwarding network.

The invention discloses a method for measuring the fracture toughness J<IC> of each micro area of a heat affected zone of a welded joint, which is applicable to measurement on fracture toughness of various welded joints. According to the method, by forming a V-shaped groove in a coarse grain zone or a fine grain zone in the welded heat affected zone on a three-point bending test sample, the direction of crack development is effectively controlled to ensure the crack development in the coarse grain zone or the fine grain zone in the heat affected zone, and thus the fracture toughness of the different micro areas in the heat affected zone of the welded joint can be measured. The method is simple, is low in cost, ensures real and reliable measurement results, and has great significance for evaluating the mechanical property of each micro area of the welding joint, confirming a weak section of the welded joint and studying the fracture toughness of the heat affected zone of the welded joint.

The embodiments of the present invention provide a method, an apparatus and a system for data transmission, the method comprises: reusing, when the hop number of a branch in a radio communication network is greater than a predetermined hop number, resources of the predetermined hop number on links with different hop numbers in the radio communication network. The method, apparatus and system provided by the embodiments of the present invention may guarantee the real time traffic transmission of a forwarding network, improve the spectrum efficiency of the forwarding network and assure the dynamic expansion of the forwarding network.

The invention relates to an experimental method for testing fracture mechanical properties in the field of material, and discloses a type I crack specimen dynamic symmetrical tensile device and an experimental method thereof. The specimen dynamic symmetrical tensile device includes a power supply, a capacitor charger, loading guns and a waveguide-rod rod system. The capacitor charger adopts a power supply part of a conventional electromagnetic riveting device; two loading guns with the same parameters are connected in parallel and then access the capacitor charger. The invention also relates to the experimental method based on the specimen dynamic symmetrical tensile device. Because the parameters of the two loading guns are the same and access the capacitor charger in parallel, the discharge current can be synchronously and evenly distributed into the two loading guns, same compression stress waves are produced in the two loading guns, are reflected into tensile waves in two convex platforms respectively and then enter tensile rods, and the specimen is loaded; therefore, the specimen can be symmetrically loaded, and a specimen crack is guaranteed to be extended into a type I spallation crack.

The invention relates to a damage control method for ultraprecision turning of a crystal material. The damage control method for ultraprecision turning of the crystal material comprises the steps that a multi-layer amorphous system is designed according to the to-be-machined material and cutting parameters, the number, the depth and the thickness of amorphous layers are determined, the ion irradiation process is simulated through the Monte Carlo numerical method, and an ion source, implantation energy and the dosage combination are worked out; ion irradiation is conducted through an ion implanter or a high-energy accelerator according to the worked-out implantation parameters, and a multi-layer amorphous structure in the material is prepared; the allowable maximum feed rate for turning is determined according to the arc radius of a tool, the cutting depth, geometrical parameters of the amorphous layers, and the brittleness-plasticity conversion thickness of the workpiece material; and planar machining is conducted on a modified crystal according to the turning parameters.

Disclosed are an adaptive system and method of multicast cascade connection in a PON system. The adaptive system comprises a multicast protocol module, a multicast adapter module, and a plurality of chip driving modules, wherein the multicast protocol module is used for treating a multicast protocol message according to a multicast protocol requirement; each chip driving module is used for driving one chip; the multicast adapter module is used for treating adaption between the multicast protocol module and the chip driving modules and for shielding the multicast protocol module against sensing cascade connection of a plurality of chips; the multicast adapter module stores a first terminal information table; and the multicast protocol module stores a second terminal information table. The adaptive system further includes a registration interface information sheet, which includes two parts of a multicast two-layer forwarding table registration interface and a multicast protocol message reception-transmission registration interface. The adaptive system and method of multicast cascade connection in the PON system are suitable for a situation of cascade connection of various kinds of or a plurality of chips, and for shielding chip multicast information and difference between each chip cascade manner, and enable the multicast protocol module to completely run on a unified chip in logical.

The invention relates to an HLR worksheet processing device based on CORBA interface quick input. The device includes a BOSS HLR interface module, an NEMU server module, an HLR module, wherein, the NEMU sever module comprises a CORBA interface module, an FSM processing module and a DX information transmission module; and the HLR module comprises an EMT module and an HLR information bus module. By using the device, a service supporting ability oriented to costumers is enhanced, defaulting of consumers is controlled effectively, complaint is reduced, and satisfaction of consumers is improved. The devise also solves a problem that an interactive interface between a BOSS based on an MML way and an HLR has a business peak bottleneck problem with a long time-lapse in the situations of a batch processing as well as .stopping or recovering the utilization of the machine at the beginning or end of a mouth.

The invention belongs to the field of intrusion detection algorithms in SDN, and discloses a DDoS attack detection system and method in an SDN environment. In order to timely and effectively identifyabnormal traffic in a network and reduce consumption of network resources by DDoS attacks, an MD-SAL framework is combined, and a DDoS attack defense system is designed. The system comprises an exception detection module, an anti-misjudgment module, a flow processing module, an exception storage module and an information viewing module. The system can identify traffic abnormality in a network, timely gives an alarm to notify the system to make corresponding defense measures, and finally checks attack information according to RPC preset values in advance such as a source IP and a destination IP, and realizes accurate classification of suspicious traffic based on a TDMC algorithm.

The invention discloses a method for measuring the fracture toughness JIC of each micro-region in the heat-affected zone of a welded joint, which is suitable for measuring the fracture toughness of various welded joints. The invention can effectively control the direction of crack propagation by welding the coarse-grained or fine-grained area of ​​the heat-affected zone on the three-point bending sample to open a V-shaped groove, so as to ensure that the crack expands in the coarse-grained or fine-grained area of ​​the heat-affected zone, thereby measuring The fracture toughness of each micro-zone in the heat-affected zone of the welded joint. The method of the invention is simple, low in cost, and the measurement result is true and reliable, and has great significance for evaluating the mechanical properties of each micro-region of the welded joint, determining the weak link of the welded joint and studying the fracture toughness of the heat-affected zone of the welded joint.

The invention aims to provide a message notification method and device based on a service system. The method comprises the following steps: creating a notification component for performing message notification on different service systems; and obtaining a notification message sent by a target service system through the notification component, analyzing the notification message to obtain a notification type, a receiver and a receiving mode of the notification message, and sending the notification message to the receiver in the receiving mode based on the notification type to perform message notification, and sending the notification message to the target service system through the created notification component. Uniform message notification is provided for messages of different service systems, extension of the different service systems is further ensured, and notification of the different service systems under the condition of different message modes is supported.

The invention discloses a block storage method of a lightweight block chain of the Internet of Vehicles, which comprises the following steps: S1: constructing a block chain storage architecture model to generate blocks; S2: using a block coding algorithm to store the blocks Encoded into several encoding blocks, and randomly sent to each node in the network, S3: several encoding blocks are stored in the RSU, S4: merge the corresponding codes into blocks, S5: verify the integrity of the merged blocks and correctness. The storage architecture model of the block storage method includes: blockchain layer, coding layer, core layer, aggregation layer, verification layer and edge layer. The present invention proposes a novel block coding scheme based on LT fountain coding. This solution enables nodes to function as complete nodes even when only a part of the blockchain is stored, so that the security of the entire blockchain network is not affected.

The invention discloses a document sending key field pushing method and device, a storage medium and computer equipment. The method comprises the steps of obtaining at least one prediction key field for a target author; obtaining a document sending ability value corresponding to each prediction key field based on a pre-trained document sending ability model, and obtaining a document sending quality value corresponding to each prediction key field based on a pre-trained document sending quality model; based on each document sending ability value and each document sending quality value, obtaining a document sending potential value corresponding to each prediction key field of the target author; and determining a document sending key field for the target author in the at least one prediction key field based on each document sending potential value, and pushing the document sending key field to the target author. By adopting the invention, the accuracy of the pushed document sending key field is improved, the income of a content platform is improved, and the extension of the content platform is further ensured.

The embodiment of the invention discloses a message simulation device, a message sending method and device and a computer storage medium, and belongs to the technical field of vehicle engineering. The message simulation device comprises an information processing device and a CAN module. The information processing equipment is in communication connection with the CAN module, and the information processing equipment is used for acquiring information of each control switch of a target automobile and analog quantity of each sensor of the target automobile sent by a terminal, processing the information of each control switch and the analog quantity of each sensor into a CAN message, and sending the CAN message to the CAN module; and the CAN module is used for sending the CAN message to the CAN bus of the target automobile after receiving the CAN message sent by the information processing equipment. According to the embodiment of the invention, a hardware switch corresponding to the control switch in the message simulation device can be canceled, and the message simulation device can be ensured to expand the CAN message, so that the message expansion cost is reduced, and the flexibility of the message simulation device is improved.

The invention provides a method and a device for growing a cadmium zinc telluride single crystal. The growth method comprises the following preparation steps: putting a cadmium zinc telluride melt into a crucible; and enabling the temperature of the central area of the growth interface to be at a relatively low level through a cold electrode rod, and avoiding the condition that the relative low temperature of the cold electrode rod causes new crystals in the melt through a hot electrode tube. Through relative displacement between the hot electrode tube and the cold electrode rod, and the crucible, the temperature of a growth interface and the melt side is artificially intervened, so that the central point is slightly lower, growth can be ensured to extend from the center to the periphery, and meanwhile, the area except the central point is kept higher than the central point by using the hot electrode tube to avoid nucleation and polycrystal generation at other places. The growth interface is intervened manually, growth can be guaranteed to extend from the center to the periphery, meanwhile, the area except the center point is kept higher than the center point through the hot electrode tube, and nucleation in other places is avoided to generate polycrystals.

The invention discloses a nerve cell material taking operation table support device, which comprises a heat preservation box. Supporting columns are arranged on the outer walls of the four corners ofthe bottom of the heat preservation box. A base is welded to the outer walls of the bottoms of the supporting columns. A water outlet hole is formed in the inner wall of the bottom of the heat preservation box, and a water outlet pipe is arranged in the water outlet hole. The water outlet pipe is provided with an electromagnetic valve. On the left side of the water outlet hole, a limiting groove is formed in the inner wall of the bottom of the heat preservation box. A telescopic pipe is arranged on the limiting groove. The outer wall of the top end of the telescopic pipe is connected with theouter wall of the bottom of a fixed table. According to the invention, a hydraulic telescopic rod and a telescopic pipe are arranged. The telescopic pipe is not only good in extension flexibility, butalso excellent in waterproof performance. Therefore, the working performance of the telescopic rod cannot be influenced. Meanwhile, the effect that the hydraulic telescopic rod is passively matched with the telescopic rod for extending and unfolding when the telescopic rod is in telescopic work is also guaranteed. The distance between an operation box and the bottom of the heat preservation box can be automatically adjusted by the hydraulic telescopic rod, so that an optimal operation height is achieved.

Provided is a semiconductor light emitting element wherein light extraction efficiency is further improved, while ensuring spreading of a current flowing in a light emitting layer, said spreading being in the horizontal direction. This semiconductor light emitting element is configured such that the semiconductor light emitting element has, on a supporting substrate, an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting layer that is formed between the n-type semiconductor layer and the p-type semiconductor layer. The semiconductor light emitting element is provided with: an n-side electrode that is formed by having the bottom surface thereof in contact with the upper surface of the n-type semiconductor layer; a reflection electrode, which has the upper surface thereof in contact with the bottom surface of the p-type semiconductor layer, and which is formed in a region including a position just below the area where the n-side electrode is formed; and a first insulating layer, which is formed by having the upper surface thereof in contact with the bottom surface of the reflection electrode, said first insulating layer being formed at a position just below the area where the n-side electrode is formed.

The invention discloses an expandable base station array, an optical tracking system and a tracking method thereof. The expansion of a base station is achieved, more accurate and fast signal sorting is achieved by preset offset layout, and thus more precise and efficient tracking system and tracking method are obtained. The technical solution of the present invention is that the expandable base station array is formed by m*n base stations in m rows and n columns, the scanning ranges of adjacent base stations overlap, and the position of each base station is an original position when the base stations in the same row and in the same column are in linear arrangement. A base station whose row number and column number are odd numbers or even numbers at the same time is arranged at an originalposition, and a base station whose row number and column number are an odd number and an even number is arranged at an offset position set at the lower right part of an original position. According toa set offset, the scanning ranges of the adjacent base stations overlap. For the base station array, the present invention provides the corresponding optical tracking system and tracking method.

The invention discloses a hot field prediction model generation method and device, a storage medium and equipment. The method comprises the steps of obtaining training feature data of a sample key field in a first historical time period; obtaining text sending click data of the sample key field in a second historical time period, and determining a first training prediction result of the sample key field based on the text sending click data; and initializing a prediction model, and training the prediction model by taking the training feature data as model input data and the first training prediction result as model output data to obtain a trained hot field prediction model. By adopting the invention, the hot field prediction model can be generated based on the characteristics of the sample key field in the historical time period and the text sending click data in the historical time period, so that the hot field can be determined, the generation efficiency of the hotspot text sending content is improved, and the expansion of a content platform is ensured.

The invention provides a method of loose blasting by high-pressure water jet helical cutting. The method includes the steps: 1, drilling; 2, performing high-pressure water jet helical cutting; 3, charging; 4, sealing holes; 5, blasting. The method has the advantages that a crack zone formed by the method compared to traditional loose blasting is wider, coal seam permeability is greatly improved, control holes are fewer, and the cost is reduced; through the application of the water jet helical cutting manner, the defects of traditional mechanical cutting, such as tool jamming and drill locking, are overcome; the size of jet seams is determined by jet parameters, so that the problem that the size of the seams affects blasting effect is solved; helical cutting can be performed in axial and radial directions alternatively, through the application of the helical cutting manner, the range of crack zone is greatly enlarged and compensating space is provided for blasting, cut density can be adjusted, blasting lumpiness is controlled, and energy availability is improved; accordingly, economic benefit is increased on the premise of effectively preventing coal and gas outburst.

The invention relates to a curved path cutting method of a brittle base plate by laser cutting, which comprises the following steps of: manufacturing an initial crack on the base plate as a cutting path, and setting sampling points; respectively obtaining the cracking angles theta at all sampling points; obtaining the current sampling point, and calculating out the stress intensity factors KI andKII according to the cracking angle theta at the current sampling point and the fracture toughness KIC of the base plate; solving temperature field distribution according to the stress intensity factors KI and KII of the current sampling point; regulating the parameters of a hot source and a cold source according to the obtained temperature field distribution so that the temperature field generated at the current sampling point is consistent with the calculated temperature field; and judging whether the current sampling point is the last sampling point or not, if not, then acquiring the next sampling point as the current sampling point, and turning to the step 2. The invention has the advantages of capability of ensuring a crack to propagate along the preset cutting path and high cutting accuracy.

The invention relates to a damage control method for ultraprecision turning of a crystal material. The damage control method for ultraprecision turning of the crystal material comprises the steps that a multi-layer amorphous system is designed according to the to-be-machined material and cutting parameters, the number, the depth and the thickness of amorphous layers are determined, the ion irradiation process is simulated through the Monte Carlo numerical method, and an ion source, implantation energy and the dosage combination are worked out; ion irradiation is conducted through an ion implanter or a high-energy accelerator according to the worked-out implantation parameters, and a multi-layer amorphous structure in the material is prepared; the allowable maximum feed rate for turning is determined according to the arc radius of a tool, the cutting depth, geometrical parameters of the amorphous layers, and the brittleness-plasticity conversion thickness of the workpiece material; and planar machining is conducted on a modified crystal according to the turning parameters.

The invention discloses a cantilever type loop-handled truss hoisting system for a high-altitude attached tower in a mountainous area. The cantilever type loop-handled truss hoisting system for the high-altitude attached tower in the mountainous area comprises cantilever support seats, connecting seats, cushion blocks, a support plate, a guide rail, a supporting and walking mechanism, a truss hoisting bracket I, a walking and lifting mechanism I, a truss hoisting cross beam, pull ropes, a stand column I, a fixed clamping block I, a stand column II, a fixed clamping block II, a truss hoisting bracket II and a walking and lifting mechanism I. The cantilever type loop-handled truss hoisting system for the high-altitude attached tower in the mountainous area provided by the invention is reasonable and simple in structure, low in production cost and convenient to install; through arranging the walking and lifting mechanism I and the walking and lifting mechanism I, the requirements on lifting and hoisting truss components and hoisting during assembling are net, and the working efficiency is further improved. Through the arranged supporting and walking mechanism, the hoisting range can be improved, and especially the cantilever support seats, the connecting seats, the cushion blocks and the supports are hoisted so as to be conveniently installed on tower columns, so that the system can be expanded along with the working procedure, the hoisting assembling of the system can be carried out without the need for adopting a large-sized hoisting device, and a large number of cost and time is saved.

The invention discloses a theme pushing method and device, a storage medium and computer equipment, and the method comprises the steps of obtaining at least one content key field based on a content browsing record and / or a content search record of a user; obtaining document issuing potential information corresponding to each content key field in the at least one content key field by a target author; obtaining a target key field of which the text issuing potential information is greater than a set threshold value from the at least one content key field, and determining the target key field as a text issuing theme corresponding to the target author; and pushing the text sending theme to the target author. By adopting the application, the corresponding theme can be pushed based on the extraction of the content key field in the set time period and according to the text issuing potential of the author, the generation of the text issuing content is increased, and the expansion of a content platform is ensured.

The invention discloses a nerve cell material taking operation table support device, which comprises a heat preservation box. Supporting columns are arranged on the outer walls of the four corners ofthe bottom of the heat preservation box. A base is welded to the outer walls of the bottoms of the supporting columns. A water outlet hole is formed in the inner wall of the bottom of the heat preservation box, and a water outlet pipe is arranged in the water outlet hole. The water outlet pipe is provided with an electromagnetic valve. On the left side of the water outlet hole, a limiting groove is formed in the inner wall of the bottom of the heat preservation box. A telescopic pipe is arranged on the limiting groove. The outer wall of the top end of the telescopic pipe is connected with theouter wall of the bottom of a fixed table. According to the invention, a hydraulic telescopic rod and a telescopic pipe are arranged. The telescopic pipe is not only good in extension flexibility, butalso excellent in waterproof performance. Therefore, the working performance of the telescopic rod cannot be influenced. Meanwhile, the effect that the hydraulic telescopic rod is passively matched with the telescopic rod for extending and unfolding when the telescopic rod is in telescopic work is also guaranteed. The distance between an operation box and the bottom of the heat preservation box can be automatically adjusted by the hydraulic telescopic rod, so that an optimal operation height is achieved.

The invention belongs to the field of intrusion detection algorithms in SDN, and discloses a DDoS attack detection system and method in an SDN environment. In order to identify abnormal traffic in the network in a timely and effective manner and reduce the consumption of network resources by DDoS attacks, a DDoS attack defense system is designed in combination with the MD‑SAL framework. The system includes an anomaly detection module, an anti-misjudgment module, a flow processing module, an anomaly storage module and an information viewing module. The system can identify the abnormal traffic in the network, timely alarm and notify the system to formulate corresponding defense measures, and finally check the attack information according to the source IP, destination IP and other RPC preset values ​​in advance, and realize the accurate classification of suspicious traffic based on the TDMC algorithm.

The invention relates to a device (1) for introducing endovascular implants (3), which have an at least partly cylindrical design, into blood vessels, wherein the implant (3) is provided in an expanded state, in which the implant is placed in the blood vessel, and in a compressed state, in which the implant can be introduced into the blood vessel, and the device (1) has an elongated shaft (2), theexterior of which is releasably secured to the implant (3) in the compressed state and through which the implant (3) runs. The implant (3) has at least one respective connection point (6) to the shaft (2) proximally and distally, said connection point being thermally, chemically, or electrolytically releasable; or at least one thread (12) extends in the longitudinal direction over the implant (3)at least over a majority of the length of the implant (3) such that the implant (3) is secured to the shaft (2) in the compressed state, and the thread (12) has at least one respective connection point (10, 11) to the shaft (2) proximally and distally, at least one connection point (11) of the connection points being thermally, chemically, or electrolytically releasable.