35results about How to "Fully updated" patented technology

The invention provides a method and device for machining micro annular grooves through hollow laser and electrolysis in a combined mode, and relates to the field of micro-electrolytic machining. Conducting glass is used as a tool cathode, the critical decomposition voltage of electrolytic machining under laser radiation is reduced, electrolytic machining is carried out on a radiation area, and the size of an annular machining area is controlled through a laser beam changing system. The laser beam changing system can be used for changing the size of an annular groove within a certain range, flexibility and softness of machining are obviously improved, under the laser radiation, the critical decomposition voltage of electrolytic machining is reduced, electrolytic machining of the radiation area is achieved, machining precision of the micro annular groove is improved, and the method and device are applied to machining of micro annular grooves of various conducting metal materials.

The invention relates to aromatic polycarbonate and a preparation method of the aromatic polycarbonate. The method comprises the steps of diaryl carbonate and aromatic dihydroxy compound raw material deoxygenation treatment, raw material and catalyst melt mixing, prepolymerization, prepolymer and carrying agent gas-liquid mixing, mixture heat exchange, polymerization reaction in a multi-section flow guide falling film type polycondensation reactors and the like. The aromatic polycarbonate produced by adopting the method provided by the invention has the advantages that the molecular weight isstable, the distribution is narrow, and the product chromaticity is good. The method solves the environment pollution problem, the serious equipment corrosion problem and the problem of performance influence caused by the separation and purification difficulty of polycarbonate products in the existing interface polycondensation method. Therefore, the method provided by the invention is very suitable for the industrial large-scale production of high-quality polycarbonate.

The invention discloses a feedback updating mechanism-based trust routing method. The method comprises the following steps of: simulating a trust relationship in the human society; adding a feedback mechanism into a trust model; comparing actual routing and a transmission result with node recommended actions so as to update transmission trust of a transmission node and recommendation trust of a recommendation node; and introducing a discount mechanism for solving the problem of trust updating when actual transmission fails. In the routing method provided by the invention, a feedback mode is added, so that the problem of how to select routing and update trust when an immature trust evaluation node exists in a path is solved, trust is evaluated and updated more comprehensively and accurately, node reliability can be judged more accurately during routing selection or in other application scenes, a most safe and effective routing is selected, network safety is enhanced, and the method has an important practical value in actual communication network routing.

The invention discloses a system file repairing method, device and system, relates to the field of computer security and aims to solve the problem that in the presence of an isolation network, a server local system file library cannot be updated in time. The method includes the steps: a server receives a system file set including alternate files for hotspot system files and transmitted by a public network, through an offline tool; the server updates the local system file library according to the alternate files in the system file set; if a terminal locale discovers contaminated system files, the server acquires the alternate files corresponding to the contaminated system files, from the updated local system file library and transmits the alternate files to a terminal, so that the terminal repairs the contaminated system files according to the alternate files. The method, the device and the system are mainly applied to repairing the system files contaminated by viruses.

The present invention discloses a method and system for monitoring update contents of a website. The method comprises the steps of pre-calculating and storing update time intervals of a to-be-tested website according to update frequency of the to-be-tested website; obtaining webpage contents of the to-be-tested website and extracting text values of items at a time of every update time interval; and comparing the text values of the items extracted from the current webpage contents with the text values of the items extracted from the last webpage contents, and calculating and obtaining the items with the text values changed. The system comprises a pre-calculating module, a web crawler, a denoising module, a comparing and calculating module and a matching module. The update contents of the website can be rapidly and accurately obtained with little calculated amount, real-time update monitoring can be carried out for any website, and application is wide and comprehensive.

The invention relates to a fresh air and energy-saving controller and a control method thereof. The controller comprises an air opening, an air duct, a fan, an electromagnetic valve and an intelligent control circuit, wherein the air opening, the air duct and the fan lead to the room and the outdoors, the electromagnetic valve and the intelligent control circuit are arranged on the air duct and used for opening and closing the air duct, the input end of the intelligent control circuit is connected with an outdoor atmospheric temperature sensor, one route of the output end of the intelligent control circuit is connected with the power control circuits of air conditioners, another route of the output end of the intelligent control circuit is connected with the power control circuit of the fan, and another route of the output end of the intelligent control circuit is connected with the electromagnetic valve. According to the outdoor temperature and the temperature set indoors, the controller and the control method for controlling the controller can automatically start and shut down each air conditioner according to requirements, and control the intake of the fresh air, and consequently, not only is energy saved, but also the indoor air can be kept fresh.

The invention provides a method and device of determining regional transaction, a server and a storage medium. The method and device of determining regional transaction take the transactional featureof a sample geographical region as a training sample, take the transaction labeling result of the sample geographical region as a sample label to train to obtain a transaction determination model, soas to obtain the transaction feature which can reflect the transaction condition following the time sequence for the geographical region to be tested, and input the transaction feature into the transaction determination model to obtain a determination result about whether the geographical region to be tested output from the model has transaction. The method and device of determining regional transaction make a determination of transaction from the perspective of the geographical region by means of the pre-trained transaction determination model, instead of targeting a single point of interestPOI, thus realizing determination of transaction of the entire geographical region to be tested without leakage of transaction of the single POI so as to enable determination of transaction to be morecomprehensive, so that updating of a map is more comprehensive and the up-to-date performance of the map can be guaranteed.

The invention relates to an LDPC (Low Density Parity Check Code) decoding method based on variable node dynamic block update for an MLC (Multi-Link Control) type NAND-Flash, which comprises the stepsthat S1, in an NAND-Flash storage channel, dividing variable nodes in a non-overlapping region into Data blocks, and dividing the variable nodes in the overlapping region into overlap sub-blocks; S2,continuously subdividing the Data blocks into a plurality of data sub-blocks; s3, skipping a plurality of data sub-blocks, sequentially updating the variable nodes in the remaining data sub-blocks andoverlapping sub-blocks respectively according to the sequence, searching out low-value variable nodes in each data sub-block and overlap sub-block respectively, and updating the low-value variable nodes according to the sequence; s4, judging whether a judgment condition is met or not, if yes, updating variable nodes of the plurality of data sub-blocks skipped in the step S3 in sequence and repeating the step S3, and if not, repeating the step S3; and S5, judging whether the decoding is successful or not, if not, continuing the step S4, and if so, ending. Information generated by updating thereliable nodes is used for driving and updating unreliable nodes, and the utilization rate of iteration updating information is increased.

The invention discloses an interactive health education display system, which comprises a first display device and a second display device. The first display device and the second display device are used for playing health education information, the first display device is arranged at a high position, and the second display device is arranged at a low position. The second display device comprisesa touch display screen and a first microcontroller connected with the touch display screen, and the first microcontroller communicates with a second microcontroller of the first display device and sends control signals to the same to control display contents of the first display device. The interactive health education display system is ingenious in design, the display contents of the display device at the high position can be remotely controlled by the display device at the lower position, and accordingly a user can select the display contents of the display device at the high position according to own needs, and user interactivity is improved. In addition, the user can select to-be-displayed health education contents according to needs, the user can learn and understand specifically, andapplication flexibility of health education equipment is improved.

The invention discloses a handwriting model training method, a handwriting character recognition method, device and apparatus and a medium. The handwriting model training method includes: obtaining anormalized Chinese character training sample based on a pixel value characteristic matrix of each character in a Chinese character training sample to be processed, training a convolution neural network using the normalized Chinese character, updating weights and biases of the convolution neural network based on a batch gradient descent back propagation algorithm, and obtaining a normalized Chinesecharacter recognition model; obtaining and using non-standard Chinese character training samples, and carrying out training to obtain the adjusted Chinese handwritten character recognition model; obtaining a Chinese character sample to be tested and adopting the sample to obtain an error character training sample; obtaining a target Chinese handwritten character recognition model by updating theweights and biases of the Chinese handwritten character recognition model with error training samples. A target Chinese handwritten character recognition model with a high recognition rate can be obtained by using that handwritten model train method.