85results about How to "Guaranteed superiority" patented technology

The invention discloses cut-resistant ultra-high molecular weight polyethylene fibers. The cut-resistant ultra-high molecular weight polyethylene fibers consist of ultra-high molecular weight polyethylene, expandable organosilicate clay, modified graphene and an antioxidant, wherein the expandable organosilicate clay accounts for 0.1%-10% of the total mass of the composite fibers; and the modified graphene accounts for 0.1%-5% of the total mass of the composite fibers. The invention provides the technical scheme of preparing cut-resistant fibers by using UHMWPE fibers as bodies (cut-resistant level of fiber bodies only can reach 2 levels or so generally at present), the technological process is simple, the cut resistance of the fibers which are not combined to other hard fibers can be good, and therefore, the comfort level of fiber products is improved.

The invention provides a method for planning a path of an unmanned aerial vehicle under multiple dynamic task target points. The method comprises the following steps of training an SOM neural network;determining winning points, access points and access sequences; determining a flight direction and an optimal path; carrying out iteration; and carrying out rolling optimization. According to the method, the unmanned aerial vehicle needs to periodically traverse all unmanned vehicles and carries out information exchange for a path planning problem of the unmanned aerial vehicle under a messengermechanism; the access sequences and the access points are solved and a flight path of the unmanned aerial vehicle is optimized by using an unsupervised competitive neural network SOM through considering the constraint conditions, such as motion curvature constraints of the unmanned aerial vehicle, dynamic characteristics of the unmanned aerial vehicle and a communication range of the unmanned aerial vehicle; and the unmanned aerial vehicle solves the optimization problem after accessing one unmanned vehicle every time by adopting a rolling optimization strategy in the process that the unmannedaerial vehicle traverses the unmanned vehicles, thereby dynamically updating the optimal path in the access process of the unmanned aerial vehicle and continuously ensuring the advantages of the decision.

The invention discloses a mobile live broadcast system based on MPEG-2 standard. The mobile live broadcast system comprises a mobile equipment end, a streaming media server and a player end, wherein the mobile equipment end comprises a video data collection sub-system which includes an H264 video compressing and encoding module, an MPEG-2 standard packaging module and a thread pool module; the thread pool module is connected with an RTSP signaling module and an RTP transmission module; the streaming media server comprises a live broadcast data forwarding module, an RTCP code rate control module, a video-on-demand module and an RTSP signaling module; the mobile live broadcast system also comprises an RTSP signaling server for sending an RTSP request open signaling or an RTSP request stop signaling. The mobile live broadcast system based on MPEG-2 standard improves the packaging mode and transmission mode of video streaming, can be applied to a mobile phone terminal to build a new signaling system to perform unified management, and thereby communication stability of every part of the system are ensured to be good.

The composition of biphase stainless steel is formed from (wt%) 0.01-0.12% of C, 4.0-8.0 % of Mn, 12.0-25.0% of Cr, 0.20-1.5% of Al, 0.5-3.0% of Ni, 0.4-3.0% of Mo, Cu is greater than or equal to 1.0%, 0.2-2.5% of Si, 0.05-0.3% of N, 0.02-0.05% of Re, S is greater than of equal to 0.03%, P is greater than or equal to 0.035% and the rest is Fe. Said biphase stainless steel can resist alkali corrosion, resist acid corrosion, specially it can resist stress corrosion cracking under the condition of resisting chlorine ion and in oxidative acid medium, can resist seam currosion and resist cavity corrosion, and its strength is high and toughness is good, etc.

The invention relates to a two phase stainless steel, which comprises the following chemical components in weight percent: 0 to 0.12 percent of C, 4.0 to 8.0 percent of Mn, 12.0 to 25.0 percent of Cr, 0.20 to 1.5 percent of Al, 0.5 to 3.0 percent of Ni, 0.4 to 3.0 percent of Mo, 0 to 1.0 percent of Cu, 0.2 to 2.5 percent of Si, 0.05 to 0.3 percent of N, 0.02 to 0.05 percent of Re, less than or equal to 0.03 percent of S, less than or equal to 0.035 percent of P, and the balance being Fe. The two phase stainless steel has the advantages of high strength, good toughness, excellent wear resistance and corrosion resistance, in particular the superiorities of stress corrosion cracking resistance, complete corrosion resistance, intergranular corrosion resistance, and pitting corrosion resistance and vacuole corrosion resistance in sea water in solutions such as strong base (such as NaOH), chlor-alkali (NH4Cl), oxidizing acid (such as HNO3), sodium thiocyanate, phosphate solution, good hot and cold processability, and low cost.

The invention provides a preparation method and an application of an antiviral traditional Chinese medicine extract of a Yinqiao (honeysuckle flower and fructus forsythiae) decoction prescription. According to the invention, five preparation methods are provided, namely 1) a water extraction method, 2) an alcohol extraction method, 3) a water extraction and alcohol precipitation method, 4) a method combining water extraction and macroporous resin purification, and 5) a method combining alcohol extraction and macroporous resin purification. The invention is derived from a classic ancient prescription, namely 'Yinqiao Decoction' prescription prescribed within Chapter Middle-jiao of No.2 Volume in Differentiation on Febrile Diseases of WU Jutong who is a great master of febrile diseases in Qing dynasty; on the basis of the prescription, process optimization is conducted on the extract, various traditional Chinese medicinal preparations are prepared and major ingredients of active parts are defined. The traditional Chinese medicine extract of the Yinqiao decoction provided by the invention is in the form of an oral preparation. The prepared product (the traditional Chinese medicine extract) is detected, and a conclusion that the traditional Chinese medicine extract of the Yinqiao decoction is high in content of active ingredients is obtained.

The invention discloses a configuration optimization method of a shuttle-carrier warehousing system. The method takes shortest throughput time of the warehousing system, lowest system energy consumption and lowest warehouse cost as targets; a non-dominated sorting genetic algorithm with an elitist strategy is adopted for multi-target optimization; an optimal configuration scheme of the warehousingsystem is sought; an early decision basis is provided for warehouse planning of enterprise personnel; efficient and harmonious implementation of various tasks in a warehousing action is ensured; risks of the shuttle-carrier warehousing system due to inappropriate planning and design are reduced; and the method has greater practical application significance.

The invention relates to a balancing method of the dynamic channel of a frequency division multiplexing system based on an immunological network, belonging to the wireless communication signal processing technology field, comprising the steps of: step one, monitoring the current immunological network balancer, determining whether the channel environment has been changed; step two, if the current channel environment has been changed, initially adjusting the immunological network balancer adopting an initial immune response mechanism; step three, cloning amplify the immunological network balancer, getting the initial population of the immunological network balancer; step four, carrying out the immune operation based on the immune response mechanism and a vaccination mechanism, adjusting the parameter and structure of the immunological network balancer; step five, selecting the immunological network balancer which has the smallest training sample error as the final result of dynamic regulation, the balancing of wireless channel for the OFDM is realized, then returning to the monitoring state of the step one. The invention has strong robustness to the change of the channel, achieves a better performance in the declined channel.

The invention provides a moving-target adaptive direction-finding, positioning and tracking method based on multi-star collaboration. The method comprises following steps: multiple satellites in orbitsynchronously or asynchronously acquire time-varying sight line vector information of a moving target, one satellite is selected as a primary satellite, and the other satellites are used as auxiliarysatellites; the auxiliary satellites send sight line measurement data and positioning assisted data to the primary satellite through inter-satellite links; least square estimation of an initial stateis performed by a constant-velocity motion model, and an initial covariance matrix is set according to measurement noise of a target azimuth; a motion state and a covariance matrix of the target at the current observation moment are predicted by adopting a 12-state linear motion model; a Jacobian matrix of azimuth measurement values is calculated through combination of the positioning assisted data and the predicted motion state at the current moment, filter gain is calculated according to the measurement noise covariance matrix, and finally, the motion state of the target at the current moment is estimated according to real measurement.

The invention provides a method for discriminating a neutral gear on the basis of an electromagnetic neutral gear sensor. The method includes storing a plurality of self-learning neutral gear duty cycle values in a memory, reading the self-learning neutral gear duty cycle values after a vehicle is powered on, solving a median value or an average value of the self-learning neutral gear duty cycle values, then using a complementary value of the median value or the average value as a base point of a neutral gear duty cycle discriminating range, judging whether duty cycle values of currently outputted first PWM (pulse width modulation) waves are in a range with the base point as the center or not, and determining that the vehicle is in the neutral gear if the duty cycle values of the first PWM waves are within the range; performing self-learning on the neutral gear duty cycle values, and storing duty cycle values of second PWM waves which are currently outputted by the electromagnetic neutral gear sensor so that the duty cycle values of the second PWM waves can be used when the vehicle is powered on for the next time. The method has the advantages that the base point of the range for discriminating the neutral gear duty cycle values can be acquired by a software algorithm, so that self-learning, self-correcting and self-compensating can be performed on a neutral gear duty cycle, the neutral gear discriminating accuracy and instantaneity can be improved, and the adaptability to different types of vehicles can be improved.

The invention relates to a composite sand mould forming process for producing casting fireproof materials. The composite sand mould forming process includes steps of: mould preparing; laminating; mould vacuumizing; box containing; thermal insulation material filling; jolt ramming; vacuumizing of a thermal insulation box; pattern withdrawing; turning; feeder head placing; thermal insulation material filling on the periphery of a feeder head and the like. The composite sand mould forming process well solves the technical problems of easy box crush and crack of finished products caused by the fact that the negative pressure forming process is applied to the process of fireproof material casting. The composite sand mould manufactured by the composite sand mould forming process is applied to manufacturing of the casting fireproof materials, and the composite sand mould forming process is energy-saving and environment-friendly and improves appearance quality of the finished products.

The invention provides a preparation method of a decoction capable of invigorating spleen yang and tonifying stomach and application thereof. The decoction is derived from the decoctions capable of invigorating spleen yang and tonifying stomach in Treatise on Spleen and Stomach which is written by Li Dongyuan in Jin Dynasty and is abbreviated as Decoctions capable of Invigorating Spleen Yang and Tonifying Stomach in full texts of patents. The invention provides the following six preparation methods: (1) a water extraction method; (2) an alcohol extraction method; (3) a water extraction and alcohol precipitation method; (4) a method with combination of water extraction and macroporous resin purification; (5) a method with combination of alcohol extraction and macroporous resin purification;and (6) a classic decoction preparation method based on substances of classical famous prescriptions. The process for preparing the extract in the decoction can be optimized, so that the decoction can be prepared into various traditional Chinese medicine preparations; main components of the active component are defined. The invention provides powder of the decoction capable of invigorating spleenyang and tonifying stomach and various traditional Chinese medicine extract oral preparations; the prepared product is detected; the basis of the active substance of the traditional Chinese medicineextract of the decoction capable of invigorating spleen yang and tonifying stomach is clear and definite; the active substance is composed of a plurality of effective components according to a certainratio; and the content of the active substance is higher.

The invention discloses an inter-satellite laser interference frequency planning simulation verification system for time sequence reinforcement learning. The system comprises a laser interference optical platform group, a storage assembly and a display terminal, wherein the laser interference optical platform group comprises six laser interference optical platforms with the same structure, every two laser interference optical platforms form a pair, the frequency and the phase of laser are adjusted in real time according to a frequency planning scheme, and frequency shift is carried out on incident laser according to Doppler interference frequency information, so that the interference of the satellite in the space due to the Doppler phenomenon is simulated; the storage component is used for storing a pre-established and trained decision model, a frequency planning scheme determined by the decision model and Doppler interference frequency information corresponding to each moment of an experiment, and storing a frequency planning scheme selected in the experiment; the decision model is obtained by training through a time sequence backtracking reinforcement learning method; and the display terminal is used for displaying the Doppler interference frequency information and the laser beat frequency information in real time.

The invention discloses a data storage method which comprises the following steps: dividing all storage blocks of a memory into SLC storage areas, and writing data through the SLC storage areas; counting the erasing times of each storage block, and determining a reference threshold value of storage mode switching; and converting the storage blocks of which the erasing times are greater than the reference threshold into TLC storage areaS. Meanwhile, the invention also provides a data storage device and a memory. Based on the data storage method provided by the invention, the service life can beensured while high-efficiency data reading and writing are ensured.

The invention provides a graphene thin film macroscopic quantity preparation method which comprises the following steps: alternately fixing platy sheet metal base and sheet isolation material on a high temperature resistant rod, placing the high temperature resistant rod in a CVD reaction cavity, and carrying out deposition and cooling. Compared with a conventional graphene thin film preparation method which places a metal foil in a high temperature resistant plate, the graphene thin film macroscopic quantity preparation method solves the problem that the output of a single furnace is not highcaused by influence of height limitation of the high temperature resistant plate to the space utilization ratio of the graphene thin film in the CVD reaction cavity.

The invention provides a preparation method of a decoction capable of clearing lung heat and application thereof. The decoction is derived from classical ancient prescriptions in Re-revised Yan's Health Preservation Prescriptions which is abbreviated as Decoctions capable of Clearing Lung Heat in full texts of patents. The invention provides the following six preparation methods: (1) a water extraction method; (2) an alcohol extraction method; (3) a water extraction and alcohol precipitation method; (4) a method with combination of water extraction and macroporous resin purification; (5) a method with combination of alcohol extraction and macroporous resin purification; and (6) a classical decoction preparation method based on substances of classical ancient prescriptions. The process forpreparing the extract in the decoction can be optimized, so that the decoction can be prepared into various traditional Chinese medicine preparations; main components of the active component are defined. The invention provides the extract of the decoction capable of clearing lung heat and various traditional Chinese medicine extract oral preparations; the prepared product is detected; the basis ofthe active substance of the the traditional Chinese medicine extract of the decoction capable of clearing lung heat is clear and definite; the active substance is composed of a plurality of effectivecomponents according to a certain ratio; and the content of the active substance is higher.

The invention discloses a multi-mode terminal access system and method under a 5G fusion network architecture based on digital twinning, the system is a three-layer double-closed-loop digital twinning network architecture, the architecture comprises three layers of structures from top to bottom, and the three layers of structures sequentially comprise a network application layer, a digital twinning layer, a digital twinning layer, a digital twinning layer, a digital twinning layer, a digital twinning layer and a digital twinning layer from top to bottom, waiting for next mapping; a digital twin network layer in which a digital network simulates the operation of an actual physical network in real time and in advance and issues control to the actual physical network according to a simulation result; and the bottom layer is a physical network layer which is connected with the twinning network layer through an actual interface, continuously provides the actual communication environment condition for the digital twinning network through data acquisition, and simultaneously receives and executes the optimal decision result simulated by the digital twinning network. The method has good real-time performance and expansibility, and is beneficial for processing network conditions in a variable environment.

The invention provides a method and a device for allocating carrier resources to user equipment (UE). The method comprises the following steps that: a base station divides component carriers into different path loss measuring groups; and when allocating the carrier resources to the UE, the base station allocates the carrier resources to the UE in the same path loss measuring group, and the UE is needed to feed only a path loss measuring value shared by all carriers back to the base station at the time. In the method, the path loss measuring groups are arranged, so that the superiority of carrier aggregation is ensured, the number of path loss measuring feedback values is reduced, and system overhead is effectively reduced.

Disclosed are a semiconductor device and a manufacturing method thereof. The semiconductor device comprises a substrate, a high k gate dielectric layer, an oxygen absorption layer and gate electrodes, wherein the high k gate dielectric layer is positioned on the upper surface of the substrate, the oxygen absorption layer is positioned on the upper surface or the lower surface of the high k gate dielectric layer, and the gate electrodes are positioned on the upper surface of the high k gate dielectric layer. The manufacturing method of the semiconductor device includes the steps: providing the substrate; forming the high k gate dielectric layer on the upper surface of the substrate; forming the oxygen absorption layer on the upper surface of the substrate or on the upper surface of the high k gate dielectric layer before or after forming the high k gate dielectric layer; forming the gate electrodes on the upper surface of the high k gate dielectric layer. The semiconductor device is provided with thin equivalent oxide, and the performance of the semiconductor device can be improved.