113results about How to "Meet the time requirement" patented technology

The invention is environmental-friendly waterborne nanometer fireproof flame-retardant coating and the preparation method, which belong to the fireproof flame-retardant coating manufacturing industry. The flame-retardant coating is obtained through the compounding of two types of flame-retardant agents, waterborne resin, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and filler, micrometer pigment and filler and other auxiliary agent; the flame-retardant coating contains no organic agent and halogen flame retardant, low VOC content, good fireproof property, good physical and chemical properties; the composition of the flame-retardant coating is as follows: the content of waterborne resin is 10-90%; the content of phyllo-silicate nanometer flame retardant which contains phosphor, nitrogen organic intercalation is 1-50%; the content of nanometer magnesium hydroxide flame retardant wrapped by polymer is 1-50%; the content of ammonium polyphosphate is 1-30%; the content of melamine is 1-20%; the content of carbon-forming agent is 1-30%; the content of nanometer pigment and filler is 0.1 to 30%; the content of micrometer filler is 0.1 to 60%; the content of dispersant is 0.1 to 10%; the content of stabilizer is 0.1 to 10%; the content of water is 0.1 to 50%; the content of micrometer pigment is proper; firstly, waterborne resin, nanometer flame retardant, ammonium polyphosphate, melamine, carbon-forming agent, nanometer pigment and fillers, dispersant and stabilizer are put into a planet stirring reactor for stirring and even dispersion; micrometer pigment and filler, water, dispersant and stabilizer are added to the discharged mixture and then put into a high-speed dispersion machine for even dispersion so that the product is obtained.

The invention discloses a method for island detection by adopting intermittent two-sided reactive power disturbance. A frequency of a voltage of a common coupling point is out of allowance range after an island occurs by introducing the intermittent two-sided reactive power disturbance into the output reactive power of a grid-connected inverter, so that the aim of the island detection is fulfilled. By the method, an island phenomenon can be detected immediately and effectively, and grid-connected power factors are less influenced.

The invention discloses a stem cells preparation for repairing a wound surface and preparation method thereof, wherein the stem cells preparation uses umbilical cords, placentae or mesenchymal stem cells between amniotic membranes as living cells, and is added with high polymer material sodium alginate with excellent biocompatibility, sodium hyaluronate, chitosan and hydroxyethyl starch as cell stabilizer. The stem cells preparation for repairing the wound surface has higher cell viability and is durable in action, and breaks through technical limitations of effectiveness of the mesenchymal stem cells for treating.

The invention relates to thin fire-resistant / flame-retardant paint for a tunnel and a preparation method thereof. The paint is prepared from the following raw materials in percentage by weight: 40-50% of silicate cement, 5-10% of high-alumina cement, 1-5% of fly ash, 1-5% of redispersible rubber powder, 1-5% of aluminum silicate fiber, 5-10% of expanded perlite, 5-10% of vermiculite, 5-10% of hollow glass microsphere, 5-10% of vitrified microsphere, 1-5% of sepiolite, 1-5% of modified aluminum hydroxide flame retardant, 1-5% of modified magnesium hydroxide flame retardant, 1-5% of expandable graphite flame retardant, 0.5-1% of air entraining agent, 0.5-1% of water reducing agent, 0.5-1% of water repelling agent and 0.5-1% of defoaming agent. The paint provided by the invention has excellent bonding strength, high fire resistance, low heat conductivity and remarkable sound absorption and noise reduction effect, further has favorable moisture resistance, water resistance and durability, and effectively reduces the coating thickness, saves the resources and lowers the construction difficulty on the premise of meeting Chinese standards and related specifications.

The invention relates to a method for determining the detection efficiency of an internal exposure HPGe detector based on CT data. Based on different energy gamma ray full-energy peak detection efficiency measuring data, Monte Carlo particle transport numerical values are adopted for computing, so that geometrical parameters of a detector sensitive area are adjusted, and the geometrical parameters of the detector sensitive area are obtained; the Monte Carlo particle transport numerical values are adopted for computing, so that the corresponding differential detection efficiency distribution of different energy gamma rays on the surfaces of the detector in different discrete areas and different discrete angle phase spaces is solved; based on CT medical image data of a human body to be detected, a voxel model of human anatomy structural features and a voxel model of an interesting organ or area are established, and the interesting organ or area serves as a source area; an exponential decay formula is used for solving the direct-through gamma ray share from a source area voxel to a surface element on the surface of the detector, and established differential detection efficiency distribution data are used for obtaining the detector full-energy peak detection efficiency specific to the source area through the multiple integral.

The invention discloses a titanium dioxide polyaniline composite nanometer tube array and a preparation method thereof. The array is formed by compounding polyaniline tubes in titanium dioxide nanometer tubes which are arranged sequentially, wherein the internal diameter of each titanium dioxide nanometer tube is between 90 and 110 nanometers, the tube length is between 10 and 30 micrometers, theexternal diameter of each polyaniline tube is between 90 and 110 nanometers, and the thickness of the tube wall is between 10 and 20 nanometers. The method comprises the following steps of: obtaininga titanium dioxide nanometer tube array by a secondary anodic oxidation process; putting the titanium dioxide nanometer tube array into water steam to perform heat treatment, and soaking the array inethanol solution of anilino methyl triethoxy silane to obtain an intermediate product of which anilino is attached to the inner walls of the titanium dioxide nanometer tubes; and soaking the intermediate product in hydrochloric acid aqueous solution of aniline, dripping the same amount of hydrochloric acid aqueous solution of ammonium persulfate into the hydrochloric acid aqueous solution of aniline, keeping the temperature at the temperature of 0 degree for at least 10 hours, and cleaning and drying the intermediate product to prepare the titanium dioxide polyaniline composite nanometer tubearray. The titanium dioxide polyaniline composite nanometer tube array can be widely used in aspects of photochemical catalysis, the construction of low-cost solar cells and the like.

The invention discloses an emergency-orientated co-cooperation allocation method for multi-airship earth observation tasks, aiming at dynamically performing task allocation, and increasing the scheduling success rate of the tasks as far as possible. In the technical scheme, the co-cooperation allocation method comprises the steps of: firstly, establishing a task set AT to be allocated, performing positive bid inviting on the tasks in the AT, and screening all resources meeting a basic capacity constraint; secondly, calculating the positive bid values of the resources in a resource competition roulette set according to the capacity of a buffer pool, and biding; choosing the biding resources of the tasks by adopting a Max strategy, determining the positive resources winning the bidding of each task, and performing reverse bid inviting on the task; reversely biding the resources and calculating the reverse biding value for each biding task; and choosing the biding tasks by adopting a roulette strategy, finishing reverse bidding winning to obtain a task allocation result. With the emergency-orientated co-cooperation allocation method disclosed by the invention, on one hand, unnecessary calculation time and unnecessary communication traffic can be reduced; and on other hand, the scheduling success rate of the tasks can be increased.

A method and network device for fast service convergence, used for communications between Autonomous Systems, includes: presetting a route forwarding table, each forwarding table item in the forwarding table includes information of a preferred route and a secondly-preferred route; setting the status of the preferred route as unavailable in the forwarding table item after a failure is detected in the preferred route; after receiving a service packet, querying in the route forwarding table the forwarding table item corresponding to the service packet, and determining whether the status of the preferred route is available, and if yes, the service packet is forwarded through the preferred route, otherwise through the secondly-preferred route. Because the failure detection time is not longer than 30 ms, the switch time of the service packet from the preferred route to the secondly-preferred route may be within 50 ms, thereby enabling fast service convergence.

The invention provides an electric control rotating platform and a position measuring method for an inertial navigation instrument. The lower platform body of the rotating platform is directly connected with a measurement carrier; a support bracket, the outer platform body of the rotating platform and an outer adjusting bracket are fixedly connected to the lower platform body of the rotating platform; the support bracket is contacted with the outer ring of an angular contact bearing for positioning; a hollow shaft is connected with the inner ring of the angular contact bearing; the inner rings of two pairs of angular contact bearings are positioned by two tightening nuts; a positioning bracket is fixedly connected with the hollow shaft and a plurality of stages of spirally variable rotors are positioned at the same time; a plurality of stages of spirally variable stators are fixedly connected with the outer platform body of the rotating platform; a worm wheel is fixedly connected to the positioning bracket; a worm is connected with the outer adjusting bracket through double-end bearing support; and the output shaft of a stepping motor is connected with the input shaft of the worm by a coupling. The electric control rotating platform is small in error and high in precision, provides a solution for the precise rotation and the position measurement of the inertial navigation instrument, and simultaneously provides the guarantee for the accurate and reliable measurement of the inertial navigation instrument.

The invention discloses a traditional Chinese medicine remote diagnosis system and a method realized by Internet. The traditional Chinese medicine remote diagnosis method realized by the Internet comprises the following steps: gathering physical examination information of users by logging on a remote traditional Chinese medicine diagnosis server, and relatively searching and analyzing based on the physical examination information, if the same physical examination information exists, relatively retrieving diagnostic results and drug-taking prescriptions to send to the mobile phones of patients restively through messages; if the same physical examination information dose not exist, the physical examination information is relatively diagnosed through a diagnostic doctor client-side, and the novel diagnostic results are formed and the drug-taking prescriptions are relatively sent to the mobile phones of the patients. The traditional Chinese medicine remote diagnosis system and the method realized by the Internet greatly satisfy the time and spatial requirements of patients for traditional Chinese medicine diagnosis, save time of the diagnosis, are capable of arranging limited medical resources, enabling patients to timely and precisely understand own states of illness, and making a diagnosis and giving treatment in an effective way.

The invention relates to a cutoff device for cutting off a composite fibrofelt on a production line, which comprises a cutoff mechanism, a travelling mechanism, and a fibrofelt pressing mechanism. The cutoff mechanism comprises a disc blade and a drive motor of the disc blade; the travelling mechanism comprises guide rails, a sliding bracket, and a driver of the sliding bracket; the disc blade is fixed on the sliding bracket by the drive motor; moreover, the cutting surface of the disc blade is parallel with the guide rails; and the fibrofelt pressing mechanism comprises two lower pressing plates arranged on the two sides of the upper part of the disc blade, and two upper pressing plates fixed on a telescopic cylinder. The cutting device for the composite fibrofelt only needs 20 seconds to cut off the fibrofelt, which can meet the requirement of last working procedure on cutoff time, and improve the production efficiency; moreover, cutoff tool edges are in a straight line; the gram weight of the finished product can be precisely calculated and controlled; and the cutting device for the composite fibrofelt has less lap wastes.

The invention discloses a metering-type intelligent circuit breaker based on internet of things. The circuit breaker comprises a CPU (Central Processing Unit) module, a signal acquisition module, a metering module, a power module, a mechanical control module, a communication module and an input / output module, wherein the metering module comprises a metering chip; the power source module comprisesa self-generated power loop unit; the communication module comprises a wired 485 communication unit and a wireless internet of things communication module; the mechanical control module comprises a control signal output unit and an equipment signal feedback input unit; and the input / output module comprises a key unit and a display unit. The voltage signal in the circuit is converted by the power module into a signal that can be collected by the metering chip, and the signal is sent to the metering module; not only the requirements such as high precision metering, rapid protection action and reliable fault detection are implemented, but also the direct docking of data and the remote terminal is implemented, thereby greatly increasing the remote-controlled spatial distance, and improving thestatistical and deployment speed of the grid data.

The invention discloses a control method and control device of remote switching-off of elevator without machine room. The method uses UPS emergency power supply to exert power to the brake coil, realizes switching-off by supplying power to the brake coil and realizes switching-on by breaking power to the brake coil. The control device includes an emergency power supply UPS, a control loop, a brake coil, wherein, the control loop includes an emergency start key switch SM1, an emergency switching-off button SM2; the emergency power supply UPS is connected to the brake coil through the emergency start key switch SM1 and the emergency switching-off button SM2. The invention uses UPS emergency power supply to supply power, realizes by controlling normal power supply switching-off and breaking power switching-on to the brake coil, has advantages of simple operation, easy switching off and the like features, which does not need prodigious manpower to open during mechanical remote switching-off and does not require special switching-off spatial position.

The invention is a network data isolating system, comprising intranet host machine, extranet host machine, and serial interface connector, where the serial interface connector connects with serial interfaces of the two host machines.

An equilibrium demodulation method used in the mobile communication system includes: carrying on amplitude limitation process for them after sampling data of I (phase inversion) and Q (quadrature) ofbaseband are received by the mobile terminal and further carrying on rotation removel treatment and converting the received multiple data to real number, utilizing the training series kept the storage to carry on related calculation for estimating impact response of channel, conforming the position for the training serial in input series, calculating the mensuration initial value, and then carrying on iteration calculation for obtaining state transfer diagram and utilizing the state transfer diagram to obtain decoding output series.

The invention provides an iterative search optimization and satisfaction degree promotion method and system based on user clicking and belongs to the searching optimization field. The iterative search optimization and satisfaction degree promotion method based on the user clicking comprises step A, extracting clicked pages of a keyword from a query log according to a search keyword, extracting and clicking keywords of the pages from the query log, repeating the above process until convergence, building the keywords and corresponding clicked pages into a bipartite graph, performing the bipartite graph as input and performing a similarity iterative calculation according to an IA-CLICK (Iterative Algorithm) method; step B, reordering search results according to an obtained relevance of query keywords provided by a user and the pages through a relevance R (q,d) measurement formula based on a page similarity assemble obtained from the step A; and step C, performing a search evaluation according to a clicking situation of reordered search results of users and a user satisfaction US measurement formula. The iterative web search optimization and satisfaction degree promotion method and system based on the user clicking has the advantages of enabling user burden to be small, being strong in relevance and simple and efficient in evaluation frame and enabling reality and flexibility of method effects to be improved.

The invention relates to a polyurethane adhesive for trenchless repairing of pipelines and a preparation method for the polyurethane adhesive, belongs to the field of adhesives for repairing of the pipelines and discloses a solvent-free polyurethane adhesive. After being cured, the polyurethane adhesive does not have any smell and is an environment-friendly product which is mainly developed in adhesive industry. The adhesive product comprises the following raw materials in percentage by weight: 69 to 75 percent of polyurethane prepolymer, 23 to 28 percent of curing agent and 2 to 3 percent of defoaming agent. A synthesis process of the product is simple and practicable; the raw materials are low in cost; and the adhesive is suitable to be produced industrially and can be applied to repairing of poly ethylene (PE) plastic pipelines, polyvinyl chloride (PVC) plastic pipelines, glass reinforced plastic (GRP) pipelines and other plastic pipelines, leakage blockage and repairing of concrete pipelines and cast-iron pipelines, and repairing of pipelines in underground wet environment or environment with water.

The invention provides a construction method of a stirring pile as well as a drill rod and a solidifying agent conveying device thereof. Two soil solidifying agents which can mutually react or can be mutually influenced can be respectively sprayed in the working procedures of sinking and lifting in the construction of the same stirring pile; and moreover, solidified soil can still be effectively stirred, so that the strength of the stirring pile is quickly enhanced in a short period, and the requirement of special engineering, such as salvage and disaster relief, on time is met. When the same soil solidifying agent is used, the soil solidifying agent can still be sprayed in the processes of sinking and lifting of a stirring pile machine, the solidified soil is effectively stirred, the construction efficiency of a stirring pile with large diameter can be enhanced, and the construction time is saved by approximately a half. The requirements of different soil layers on the form of the soil solidifying agent in a soft-soil foundation with a crust layer and high water content can be met, and the quality of a pile body is enhanced.

The invention discloses an electric line fault alternating-current impedance fast tracking and judging method. The method relates to a high voltage alternating-current detection power supply (1), a current detection unit (2), a voltage detection unit (3) and a line sensor (4). After an electric line is tripped due to a fault, high-voltage alternating-current detection signals are sequentially applied to the phase-to-ground and the interphase of the line through the line sensor installed on the outer side of a line switch, and phase-to-ground impedances Za0, Zb0 and Zc0 and interphase impedances ZAb, Zbc and ZAc of the line fault are calculated. The detection result is compared with the lowest operation criterions Za0j, Zb0j, Zc0j, ZAbj, Zbcj and ZAcj, whether the line fault is an instant fault or a permanent fault is tracked and judged, and the fault recovery is conducted. The electric line fault alternating-current impedance fast tracking and judging method is fast in speed, accurate in judgment, suitable for a line grounded short circuit and an interphase short circuit, thereby having the better practicability.

A plurality of bank identification number (BIN) ranges are characterized according to credit risk. A list of the plurality of bank identification number (BIN) ranges characterized by credit risk is made available to a transit-specific payment network interface processor, which is coupled to a plurality of memory-constrained fare gates of a transit authority. The list is configured to be distributed to the memory-constrained fare gates of the transit authority. Advantageously, the list based on BIN ranges takes up less memory than a list based on individual account numbers or the like and can be maintained in memory at the memory-constrained fare gates for rapid decisioning.

The invention relates to a copper-clad plate surface defect visual online detection method based on deep learning, which comprises the following steps: continuously scanning a copper-clad plate passing through a conveyor belt at a constant speed line by line through a linear array scanning camera to complete image acquisition to obtain a complete and clear copper-clad plate image; carrying out defect detection on the acquired copper-clad plate image, if a defect is detected, marking the copper-clad plate as a defective copper-clad plate and giving an alarm, and simultaneously intercepting a defect image in the copper-clad plate; for defect images, adopting a deep neural network learning method, building a TensorFlow framework for defect classification, distinguishing different types of defects, and giving a targeted repair scheme; and displaying defect detection and defect classification results on the display screen, so that field staff can conveniently check the real-time state of the copper-clad plate in time and carry out subsequent processing. The invention further provides a corresponding device, and the problems that an existing copper-clad plate defect classification system is high in dependence on manpower and equipment, low in accuracy and long in consumed time can be solved.

The invention discloses a power point commodity recommendation method and system based on logistic regression, and the method comprises the steps: obtaining the most relevant feature data of a positive sample user who has points and exchange commodities with points for each type of users, and obtaining the most relevant feature data of a negative sample user who has points and does not exchange commodities with points; establishing a potential customer prediction model by adopting a logistic regression algorithm and taking the most relevant characteristic data of the positive sample user, themost relevant characteristic data of the negative sample user and a score exchange label as training set data; based on the potential customer prediction model, predicting the probability of credit exchange of the user according to the historical credit exchange record of the to-be-predicted user; and regarding the users whose probabilities are greater than a set threshold value as potential pointexchange users, and recommending commodities for the potential point exchange users by adopting a collaborative filtering algorithm.

The invention discloses a pantograph carbon contact strip abrasion detection method based on deep learning target detection. The method comprises the following steps of making an original image data set, and manually calibrating the position of an original image carbon contact strip; clustering the marked bounding boxes in the data set by using an unsupervised learning algorithm k-means to obtain Anchor Box of which the size and shape meet requirements, and training a Yolo model under a deep learning daknetk framework to obtain a pantograph carbon contact strip positioning model; determining a rectangular region completely including the pantograph carbon contact strip by using the pantograph carbon contact strip positioning model, and intercepting the coordinates of the rectangular region in an original image; and extracting the image edges by using an adaptive threshold edge detection algorithm, determining the minimum distance between the upper and lower boundaries of the carbon contact strip by using a projection method, and calculating the thickness of the carbon contact strip. The method can adapt to a complex environment, the positioning rate is improved, and the robustness and the accuracy of a pantograph carbon contact strip abrasion detection algorithm are improved.

The invention discloses an underground coal mine hydraulic sand fracturing system and method. The underground coal mine hydraulic sand fracturing system comprises a water supply system, a fluid distribution system, a sand mixing system, a fracturing system and a high-pressure manifold system; the fracturing system is formed by two fracturing pump groups in parallel; the high-pressure manifold system comprises a Y-shaped tee, and two inlet channels of the Y-shaped tee separately communicate with outlets of the two fracturing pump groups; and the fluid distribution system comprises two fluid distribution pools. The fracturing method is implemented based on the fracturing system and comprises the steps that fracturing liquid is prepared by densifiers, crosslinking agents, anti-swelling agents, gel breakers and water according to proportion; the particle size of a supporting agent is 40-70 meshes, and the volume density of ceramsite sand is 1.25g / cm<3>; and fracturing is carried out according to the sequence of first hydraulic fracturing seam generating and later fracturing liquid sand-carrying fracturing support. The underground coal mine hydraulic sand fracturing system has the beneficial effects that the fracturing system is simple in structure and reasonable in layout, and is suitable for sand-carrying fracturing use of underground narrow and small or long and narrow space; andthe fracturing liquid prepared by the fracturing method has suspended sand characteristic, can be suitable for upward drilling sand-carrying fracturing, and has the environmental protection characteristic of being capable of directly discharged.

The invention provides a fast frequency point conversion method, which comprises the steps: an establishing frequency point of a testing instrument is a cell of a set frequency point, and a terminal carries out conformance testing of radio frequency under the set frequency point; and after the testing under the current set frequency point is finished and when frequency point conversion is determined, a deleting frequency point of the testing instrument is the cell of the current set frequency point, the establishing frequency point is the cell of a next set frequency point, and the terminal carries out the conformance testing of the radio frequency under the next set frequency point. The invention provides a device for realizing the fast frequency point conversion simultaneously, and the device and the method realize fast conversion of the frequency points in the conformance testing process of the radio frequency and reduce the consumed time of the terminal for carrying out the conformance testing of the radio frequency.

The invention relates to an ecological management system for excrement liquid of livestock and poultry. The ecological management system comprises a source-separation water-saving house, a pollution treatment factory, a fodder factory and an auxiliary planting land. The pollution treatment factory comprises a high-temperature solid aerobiotic-fermentation system, a middle-temperature liquid anaerobic-fermentation system, a heating and heat balance system and a detection control system. A regulation pool is connected with a feed inlet of the middle-temperature liquid anaerobic-fermentation system through a delivery pump, methane generated by the middle-temperature liquid anaerobic-fermentation system is delivered to the heating and heat balance system, and the heating and heat balance system is connected a heating coil of the middle-temperature liquid anaerobic-fermentation system through a pipeline. The ecological management system has the advantages that finished products, namely liquid organic and inorganic compound fertilizer and liquid microbial fertilizer, of the pollution treatment factory are used for irrigation and drop irrigation of plants planted on the auxiliary plantingland, and pastures are taken as fodder raw materials for the fodder factory, so that cultivation cost is reduced, nutrition level of fodder is improved, and harmonious development of the breeding industry and the biological environment is promoted.

The invention relates to a hard real-time hybrid task dispatching method. The hard real-time hybrid task dispatching method comprises the following steps of (1) creating a plurality of subregions; (2) creating static time dispatching lists for a plurality of common subregions according to user demands; and (3) creating task linked lists in the dispatching subregions. The hard real-time hybrid task dispatching method solves the problem that time response requirements of an avionics system and a flight control electromechanical system cannot be simultaneously meet by means of an existing dispatching method, can adapt to the situation that the totalization degree of an existing onboard electronic system is higher and higher and can simultaneously meet the requirements for full comprehension of avionics, flight control and electromechanical systems.

The invention discloses a method for simulating magnetism. The method comprises the following steps of: acquiring initial magnetic test data of parts and components of a space ship; building a multi-dipole model of the parts and components of the space ship; establishing a magnetic test simulation system background database of the parts and components of the space ship; establishing a three-dimensional interactive system; and carrying out magnetism simulation of the space ship and other steps. In the method disclosed by the invention, the error introduced in the multi-dipole model is less than 5%, the time for establishing a model by using each group of data is 0-I minute, the operating rate of an improved algorithm is improved greatly, and thus, time requirement of modeling is met.

The invention discloses an online protocol format inference method based on multiple sequence alignment. Content of a known part of a protocol is marked; for online traffic, captured traffic is grouped according to certain number in an increment analysis mode; for each group, extracting a format of the protocol through progressive multiple sequence alignment; adjacent group results are analyzed; and if analysis results are different, all groups in two continuous groups are analyzed as results, until the analysis is finished. According to the method, an online protocol analysis time demand canbe satisfied, and a protocol analysis effect also can be ensured.