55results about How to "Guaranteed to get" patented technology

The invention discloses a method for planning an optimal path for incremental environment information sampling of an indoor mobile robot. The method comprises the following steps: (1) acquiring surrounding environment information, and establishing obstacle collision risk-based evaluation probability; (2) planning a path by utilizing an optimal path planning algorithm for the incremental environment information sampling; (3) enabling the indoor mobile robot to select the path and enter a new path planning process. By adopting the optimal path planning algorithm for the incremental environment information sampling, the current optimal path can be planned in real time according to the current conditions of the indoor mobile robot and the inherent nonholonomic constraints of the robot; meanwhile, a collision detection environment in a search tree extension process is optimized; the planning efficiency is improved; the indoor mobile robot can reach a specified position quickly and safely.

The invention provides an intelligent and automatic food-beverage vending system through a mobile Internet. The system comprises a food-ordering APP and automatic food-beverage machines, all of which are in connected through wireless communication. A user can take food and beverage and book food and beverage through the food-ordering APP. Furthermore, the user can automatically select an automatic food-beverage machine nearest to himself through communication between the above automatic food-beverage machine and the food-ordering APP. Moreover, the automatic food-beverage machine nearest to the user can lock food and beverage selected by the user such that food beverage cannot be sold before the food-taking time set by the user. Therefore, the user can be sure to obtain the food he wants from the automatic food-beverage machine before the booking time.

The invention discloses a vacuum diffusion bonding method for TC18 titanium alloys. When diffusion bonding is performed, diffusion bonding parameters are controlled and implemented reasonably, and organizational evolvement control is performed on obtained bonded TC18 titanium alloy solid solution samples, so that TC18 titanium alloy diffusion bonding and heating treatment technologies are coupled mutually, the interface bonding quality is high, meanwhile, solid solution treatment of titanium alloy base metals is performed, and the content of primary alpha phases in microscopic structures is adjusted. Secondary alpha phases are separated out of alloy metastable beta phases by controlling furnace cooling temperatures, meanwhile, elements adjacent to titanium alloy bonded sample interfaces are diffused further, and the microscopic structures are completely evolved to form metallurgical bonding, so that the excellent comprehensive mechanical performance matching and the high bonding strength are obtained. Tests indicate that the tensile strength of diffusion bonding joints of the TC18 titanium alloys is not lower than 1000MPa, the impact toughness of the joints is not lower than 30J / cm2, the cross section contraction percentage of the joints is not lower than 15%, and the comprehensive mechanical performance matching is good.

The invention discloses an energy-saving operating method for a satellite positioning communication terminal of engineering machinery, which belongs to the field of the satellite positioning communication terminal. The method comprises the following steps that: a first switch K1 and a second switch K2 on a receiver and a wireless transceiver module of a satellite positioning system respectively control the on / off state of corresponding power supplies, and a central processing unit judges the on / off state of the switch K1 and the switch K2 according to CAN bus data received by a CAN transceiver, a preset time value in a storage unit and a cumulative time value in a timer, so that a satellite positioning communication terminal can enter different operating modes, i.e. a normal mode, a power-saving mode or a fixed transmission mode. The method reduces the energy loss of the satellite positioning communication terminal, prolongs the operating time of the satellite positioning communication terminal, and not only satisfies the operating characteristics of the engineering machinery, but also meets the needs for positioning and remote monitoring of the engineering machinery and equipment.

The invention discloses a breeding method for a high-yield black peanut variety. The breeding method is characterized by comprising the following steps: parent hybridization: performing artificial hybridization to fertilize a high-yield peanut variety serving as a female parent and a black seed husk variety serving as a male parent; character screening: seeding generations F0 to F2 one particle by one particle, performing selfing, and harvesting single plants; selection of the single plants: seeding generations F3 and F4 one particle by one particle, performing selfing, and selecting the single plants / strains according to an ideal peanut plant model before harvesting; harvesting pods from the selected single plants / strains, drying the pods, performing character detection on the pods according to the ideal peanut plant model, and retaining the single plants / strains of which the pods meet the conditions; harvesting of a target variety: performing yield detection and garden identification tests on the retained plants, comparing the retained plants with a contrast group, and selecting the variety with the yield higher than that of the contrast group. According to the breeding method, the problem of difficulty in combination of high yield, black seed husks and disease resistance is solved, the breeding period is greatly shortened, and the breeding method has important application value.

The invention relates to a method for improving the genetic transfer efficiency of gene-transferred soybean. Wherein, it uses agricillin soybean cotyledon transfer system and germ sharp transfer system to obtain transfer adventitious bud; said adventitious buds without growing root and seed are directly made into graft, via cleft grafting method to be grafted on the soybean seed stock; the graft and the stock via combine period, recover period, fusion period and survival period can improve the gene transfer efficiency of soybean. The grafting can improve the survival rate of plant more than 90%, to shorten the gene transfer period and improve the gene transfer research.

The invention discloses a pre-deformation heat treatment technology for improving the strength of a metastable beta titanium alloy and relates to the technical field of heat processing and heat treatment of titanium alloy materials. The pre-deformation heat treatment technology comprises the following steps: (1) carrying out the heat treatment in advance: heating the forged-state metastable beta titanium alloy until the temperature is 0 to 100 DEG C higher than Tbeta and carrying out heat insulation for 0.5 to 6h; (2) pre-deforming: carrying out heat insulation on the metastable beta titaniumalloy for 0.2 to 6h at the temperature from the temperature the Tbeta or lower to 200 DEG C and at the temperature which is 0 to 100 DEG C higher than the Tbeta; then carrying out rolling and heat deformation; (3) carrying out direct ageing treatment: heating the metastable beta titanium alloy until the temperature is 400 to 600 DEG C and carrying out the heat insulation for 4 to 12h. According tothe pre-deformation heat treatment technology, the separation of an alpha phase in an alloy microstructure can be effectively regulated and controlled through rolling and heat deformation, and directageing treatment technologies, and a deformed structure is sufficiently recovered, so that the strength of the metastable beta titanium alloy is greatly improved under the condition that excellent plasticity of the metastable beta titanium alloy is kept; the strength and the plasticity are matched very well.

This invention discloses a logo anti-false method used in compressing video streams characterizing in providing a structured cryptographic key and utilizing a predesigned picture to generate color logo, the color value of each point in it is regulated according to the structured cryptographic key to laminate the said logo to original video signal dynamically, its position or brightness is determined according to the information related to time. The video stream after laminating the logo is compressed to get the video stream via anti-false process to get the video stream via anti-false process to be provided to the play device. The processed video steam is depressed and detected in related values to get relevant thresholds for detection.

The invention discloses a satellite interference measurement method for frozen soil seasonal deformation. The satellite interference measurement method comprises the following steps of: registering SAR images of a frozen soil region and resampling the SAR images into the same space coordinate system; pairing the converted SAR images, and selecting interference pairs meeting set conditions for carrying out interference; removing a reference ellipsoid phase of each point in an interferogram by adopting precision orbit data, simulating a terrain phase by adopting a high-precision DEM, and removing a terrain phase of each point in the interferogram to obtain a differential interferogram; filtering the differential interferogram, carrying out phase unwrapping on the filtered interferogram by adopting a minimum cost flow method, and converting an unwrapping phase into surface deformation; acquiring the number of pixels exceeding a preset coherence coefficient in a interference pair time sequence, and selecting pixel points of which the number is greater than a preset number as short-time high coherence points; and according to the selected short-time high-coherence points, solving an average rate and cumulant of frozen soil seasonal deformation point by point by utilizing a Stacking method based on a linear model.

The invention discloses a system and a method for embedding medical information into an electronic medical image. The method comprises the following steps: a medical image acquisition terminal sends an acquired medical image and a corresponding medical record number to a medical information management server; the medical information management server classifies the medical information of the patient, encrypts the classified medical information, embeds ciphertext data into the medical image of the patient, and sends the processed medical image to a medical image database for storage; the medical staff terminal is used for sending the medical record number to be inquired to the medical information management server; the medical information management server calls the medical image from the medical image database, generates a corresponding ciphertext according to the authority of the medical staff terminal, and feeds back the medical image and the ciphertext to the medical staff terminal;and the medical staff terminal decrypts the ciphertext by using the shared key, and extracts the embedded information in the medical image based on the key obtained by decryption.

The invention discloses a distribution automation information encryption method based on quantum reinforcement, and the method comprises the steps: presetting a key pool A in a master station and all terminals, independently setting a key pool B in the master station, pre-storing a key in the key pool A, pre-storing or storing a newly added key in the key pool B, and storing the newly added key in the key pool B, wherein the keys are quantum keys converted after quantum random numbers are generated by a quantum random number generator; distributing key packets: the terminals communicate with the master station, the terminals and the master station jointly select a key a from the key pool A, the master station extracts part of keys from the key pool B to form a key packet, and the key packet is encrypted by using the key a and sent to all the terminals; the terminal decrypting the received key packet by using the key a, extracting the key in the key packet for performing secondary encryption and decryption on the state grid encrypted message, and marking the key in the key packet after being used; and after all the keys of the key packet in the terminal are marked, a key a being selected from the key pool A again, and key packet distribution being performed again.

The invention discloses a new preparation method of 2-chloro-3-aminopyridine. The method comprises the following steps of: using 2-pyridone as the raw material to perform a nitration reaction and an N-alkylation reaction for amino protection to obtain N-alkyl-3-nitro-2-pyridone, then adding a proper chlorinating agent to perform a directional chlorination reaction and a dealkylation protection reaction to obtain 2-chloro-3-nitropyridine, and finally reducing to obtain 2-chloro-3-aminopyridine. The method has cheap and available raw materials, high selectivity, fewer by-products and high yield.

The invention discloses a method and a system for transmitting a multimedia broadcast multicast service (MBMS) access probability factor. The method comprises that: a network side bears access probability factor (PF) information at a position corresponding to PF information position information for identifying the bearing position of the PF information for transmission, wherein the PF information is not born in a multicast control channel (MCCH). By the method provided by the invention, the PF information is not born in the MCCH for transmission, so the influence of updating incapability of the MCCH in an MCCH modification period on the fast variability of the PF information in long term evolution (LTE) is avoided, and the accurate implementation of a mechanism for counting the receiving conditions of a certain MBMS on a user side by the network side is ensured.

The invention discloses a preparation method of high-purity vinpocetine. The preparation method comprises the following steps: S1, preparing vincamine, wherein tabersonine is dissolved, a hydrogenation reaction is performed under the catalysis of palladium and carbon to obtain vincadifformine, the vincadifformine is oxidized to obtain a vincadifformine nitric oxide, and an intermediate vincamine is obtained from the vincadifformine nitric oxide reaction liquid under the catalysis of an acid; S2, dewatering the vincamine by using toluene as a solvent and adding a dewatering agent to obtain apovincamine; and S3, on the basis of the step S2, carrying out a transesterification reaction by taking ethanol as a solvent, using dichloromethane as a cosolvent and using sodium ethoxide / sodium methoxide as a catalyst to obtain a vinpocetine crude product, and re-crystallizing with ethanol to obtain vinpocetine. The process provided by the invention has the advantages of simple production operation, avoidance of high-toxicity reagents, less impurity of the obtained product, high production efficiency, simple and convent operation and environmental friendliness, wherein the purity of the productis more than 99.9%, the quality of the product is higher than the quality of the product obtained by the original research factory, and the medicinal requirements are met.

The invention discloses a method and equipment for reporting and receiving channel information of a multi-carrier system. The method comprises the following steps that: a base station side determines working carriers and non-working carriers in all carriers; the base station side instructs a first feedback mode of channel information of the working carriers and the non-working carriers to user equipment; when performing the first feedback mode, the user equipment degrades the channel information of the measured non-working carriers according to the magnitude deviation instructed in the channel information reported by the working carriers and the non-working carriers which are instructed in the first feedback mode; and the base station side receives the channel information of the working carriers and the non-working carriers which are reported by the user equipment, wherein the channel information is reported by the user equipment according to the first feedback mode. By the invention, the consistency with the current long term evolution (LTE) system can be kept, the acquisition of much channel information by the base station end can be guaranteed, the gain optimization of frequency selectivity of the system can be better guaranteed, limited fed-back resources are saved, and acquisition of the channel information of the non-working carriers in the carrier switchover can be guaranteed.

The invention belongs to the technical field of industrial automation, and relates to a material swinging mechanism. The material swinging mechanism comprises a feeding mechanism, a taking and placingmechanism and a material disc. The feeding mechanism comprises a feeding box and a swinging assembly for swinging materials. The taking and placing mechanism comprises a positioning suction cup arranged on the feeding box. A plurality of storage spaces for accommodating the materials are formed in the faces, facing the feeding box, of the positioning suction cup. The positioning suction cup is driven by a driving module. The material disc is provided with a plurality of receiving spaces corresponding to the storage spaces in position. The swinging assembly comprises a swinging plate arrangedat the bottom in the feeding box. The two ends of the swinging plate extend out of the feeding box, and at least one end of the swinging plate is connected with a driving air cylinder. The driving aircylinders drive the swinging plate to swing the materials. According to the material swinging mechanism, the functions of automatically taking and placing the materials are achieved, and the materialswinging mechanism has the advantages of high automation degree, good welding effect, stability, reliability, high precision, high working efficiency and the like.

The invention relates to the field of immunochromatography detection and analysis, in particular to a capacitive-resistive immunological test strip modified by a carbon nanotube complex and a preparation method thereof. The test strip comprises a sample pad sequentially pasted on a nitrocellulose membrane, Antibody adsorption pad and water absorption pad, the nitrocellulose membrane between the antibody absorption pad and the water absorption pad is modified with at least 2 reaction zones based on the reaction lines of carbon nanotube-binder complexes, each reaction line has two Both terminals are provided with graphite electrode pins, and the graphite electrode pins are connected to the signal input end of the external signal gain circuit to measure the capacitance or resistance value of the test strip. The capacitance or resistance value of the detection line is increased after the antigen-antibody complex is formed, so that an external circuit can be used to form a signal amplification and enhance the detection sensitivity. The device of the invention provides a novel immune test strip structure and detection method, and expands the application prospect of immune chromatography detection as a POCT platform.

The invention relates to a screening method of bacterial strains and specially relates to a screening method of Vc two-step fermentation bacterial strains. Transformed bacteria and associated bacteria in Vc two-step fermentation are cultured in seed solution of the Vc two-step fermentation in a mixed mode. Fermentation liquor is centrifuged, and then supernatant liquor is transformed to be bacteria liquor A. In addition, the associated liquor in the Vc two-step fermentation is inoculated in culture medium and cultured for 20-28 hours. After culturing, a sterile filtering membrane filters filtering liquor as fermentation liquor B, the transformed bacteria liquorA and the fermentation liquor B are mixed and then diluted. Diluted liquor is extracted to be coated on a isolation culture medium, and cultured at the temperature of 29-37 DEG C for 4-8 days. Bacteria colony of the transformed bacteria is formed. Sterile sodium bromothymol blue indicating liquor with 0.1% concentration is added to the isolation culture medium where the bacteria colony of the transformed bacteria is formed and still for hours from 0.5 to 2. Transformation efficiency is judged as being high or low according to yellow circle around the bacteria colony, so that transformed bacteria strains with high-efficiency transformation capacity are quickly screened. According to the screening method, the condition that an existence of the associated bacteria has an effect on transformation function is avoided, and besides the function that the associated liquor actives growth of the transformed bacteria and acid production is guaranteed. Color changes of indicator can also accurately indicate the transforming capacity of the transformed bacteria, and screening efficiency is greatly improved.

The invention discloses a 2000MPa-grade hot-rolled steel plate for a hot-stamped wheel rim and a manufacturing method of the 2000MPa-grade hot-rolled steel plate. The 2000MPa-grade hot-rolled steel plate comprises 0.36%-0.39% of C, 0.01%-0.10% of Si, 1.46%-1.70% of Mn, less than or equal to 0.010% of P, less than or equal to 0.004% of S, 0.015%-0.055% of Al, 0.041%-0.055% of Nb, 0.030%-0.050% of V, 0.26%-0.35% of Mo, 0.0041-0.006% of B, 0.035%-0.050% of of rare earth elements La+Ce, less than or equal to 0.003% of N, and the balance Fe and inevitable impurities.

The invention provides a data transmission method and device, and the method includes the steps that network equipment determines that there is a to-be-transmitted first wakening frame in a first timeperiod, wherein the first wakening frame is used for wakening first terminal equipment, the first time period comprises a preset first transmitting moment of a beacon frame which is transmitted periodically, and the length of the first time period is greater than zero or equal to zero, and is less than the transmitting period of the beacon frame, and the first time period is a first transmittingmoment when the length of the first time period is zero; and the network equipment transmits the first wakening frame, so as to replace the transmission of the beacon frame. The method and device provided by the invention can reduce the cost of the beacon frame.

The invention relates to a medicine chest with multiple reminding functions. The chest is provided with multiple layers of medicine boxes, a second motor drives a worm to drive the medicine boxes to rotate left and right through a turbine to open or close the medicine boxes, and a lifting mechanism arranged in a supporting shell is used for driving the second motor and the worm to move up and down. The worm can be meshed with the turbine on the multiple layers of medicine boxes respectively, so that the multiple medicine boxes are opened independently or simultaneously, and the requirement for storing multiple medicines separately is met. Ultrasonic sensors arranged in the medicine boxes judge whether the medicines in the medicine boxes are taken or not by sensing the action that the medicines in the medicine boxes are taken out and put back, and a voice broadcast device gives out reminding or alarming voices to ensure that a user takes the appointed medicine at appointed time. The multi-layer medicine box structure of the medicine chest is favorable for a controller to develop various medicine taking control modes, and is matched with a voice reminding function to help the old to take the medicines on time and according to quantity and ensure the body health of the old.

The invention relates to an intelligent lithium battery electric patrol vehicle control system. The intelligent lithium battery electric patrol vehicle control system comprises a lithium ion battery or lithium polymer battery pack. A voltage of the battery pack is detected through a voltage detection circuit. If the voltage is lower than a certain value, a signal is transmitted to a central processing unit, the central processing unit processes data and outputs data to a prompt unit and a Bluetooth system, wherein the prompt unit comprises a prompt sound and a prompt light. The Bluetooth system sends the data through radio waves to a terminal (comprising a cellphone client and a PC client). A control unit is a switch control circuit. If the power is insufficient, the switch is on; and if the power is sufficient, the switch is off. A charging unit is a charger interface.

The invention discloses a data transmission method, device and system, and belongs to the technical field of communication. The method comprises the following steps: receiving a first request sent bya first terminal and used for requesting first data; sending a first response to the first terminal based on the first request, wherein the first response is used for indicating the first terminal toacquire the first data from the third-party device; if within the preset time after the first response is sent, receiving a second request which is sent by the first terminal and is used for requesting the first data; and if yes, sending a second response to the first terminal based on the second request, the second response being used for indicating the first terminal to acquire the first data from the server. The problem that data cannot be obtained after an old terminal sends a data request to a server is solved. The present application is used for data transmission.

The invention discloses a high-speed rail station ticket checking task scheduling method and system based on workload balance, and the method comprises the following steps: firstly, building a mathematical model used for updating a scheduling table, then processing the latest train shift information of a high-speed rail station on the same day, and obtaining a task list needing to be completed; and solving the established model through a genetic algorithm, and outputting a scheduling table with balanced workload of ticket checking workers. According to the method, the solving speed of the genetic algorithm is increased through the feasible priori population, and the scheduling table is ensured to be obtained in a short time. And if the task changes midway, dynamic adjustment can be performed, and a new scheduling table can be updated in real time. The staff does not need to be distributed again, solving can be carried out again according to the position of the staff before the task changes, and the effectiveness of balance is guaranteed.

The invention discloses a strain separation, purification and identification method based on dried clitocybe squamulosa fruiting bodies. The method comprises the following steps: rinsing and cleaninggill tissues of dried clitocybe squamulosa fruiting bodies with sodium pyrophosphate to prepare a spore suspension, adding the spore suspension into a Be culture medium for bacteriostasis, performingculturing at 25+ / -1 DEG C for 72 hours, carrying out microscopic examination under a 40-time objective lens to select germinated colorless transparent mononuclear hyphae, and transferring the mononuclear hyphae into a new Be bacteriostatic culture medium; dispersing and inoculating the small bacterial colonies with 5-6 germinating spores into a culture dish with a PDA (potato dextrose agar) culture medium, and continuing culturing to obtain pure clitocybe squamulosa mycelia; and then extracting the DNA of the clitocybe squamulosa, establishing an SCAR amplification system, and detecting a clitocybe squamulosa SCAR amplification product. The method effectively solves the problems that: in the pure strain domestication of existing dried clitocybe squamulosa fruiting bodies, the clitocybe squamulosa has small morphological difference from similar species and is not easy to distinguish by naked eyes, and the corresponding pure strain is difficult to obtain. The method has the characteristics of strong operability and simple purification and identification method.

The invention discloses a method for obtaining a random number by utilizing null drift data, relates to the technical field of information safety, in particular to a method for collecting a random number by utilizing a hardware circuit, in particular to null drift data of a gyroscope in a static state of equipment. An upper computer is connected with the gyroscope to acquire the null drift data ofthe gyroscope to generate a random number. A gyroscope is provided with a standard data output interface, so that the gyroscope can be conveniently read out without a special actual hardware circuit.Zero drift is the inherent characteristic of the gyroscope and has output at any time, and a large number of random numbers can be generated according to requirements and are not limited by time. Factors involved in null drift data are very complex and unpredictable and reproducible, and collection of true random numbers is guaranteed.