31results about How to "Avoid technical problems" patented technology

The invention discloses an intelligent public transportation system with unmanned driving and field return charging functions.The intelligent public transportation system comprises a management platform, a vehicle-mounted terminal, a network traffic control system, a user terminal, a charging station management terminal and a cloud data management terminal.The vehicle-mounted terminal comprises an unmanned intelligent driving system, an automatic charging electricity receiving system, a vehicle status monitoring system, an identity information recognition system and a charging system, all of which are connected with the management platform.The unmanned intelligent driving system and the vehicle status monitoring system are both connected with the cloud data management terminal.The identity information recognition system and the charging system are both connected with the user terminal, and the identity information recognition system is connected with the charging system.The charging station management terminal is connected with the cloud data management terminal.The electric vehicle technology and the unmanned driving technology are combined, a cloud data analysis and intelligent management system achieves a special vehicle use operating mode, and on the premise that safe vehicle use is guaranteed, an individual, intelligent and green public transportation means is provided for a user.

The invention provides a hoisting method for a large-span hinged type herringbone steel arch. The hoisting method comprises the steps of conducting hinge joint connection, setting hoisting points, installing hoisting rings, determining the lengths of hoisting steel wire ropes, hoisting and the like. According to the hoisting method for the large-span hinged type herringbone steel arch, due to integral and multipoint hoisting, the technical problems that hinge pin installation in high attitude is difficult, high in construction cost, low in working efficiency and the like are effectively solved. In addition, due to the facts that two hoists are used for hoisting, multipoint hoisting is adopted, and the hoisting points are set reasonably, the situation that the herringbone steel arch deforms due to lack of rigidity in the hoisting process is avoided. Due to the fact that the hoisting steel wire ropes with suitable lengths are selected, the installation angle of the herringbone steel arch is effectively controlled, and two column feet is made to be positioned on bases easily.

The invention provides a method and device for synchronizing a data route in a distributed data storage system. The method comprises a step of distributing the only version number to route grids in the distributed data storage system according to the incremental principle, wherein each route grid is used for recording routes of data in the distributed data storage system, a step of obtaining a local route version number of a client side through the distributed data storage system, a step of determining data routes lacked by the client side according to the version numbers distributed to the route grids in the distributed data storage system and the local route version number of the client, and a step of sending the determined data routes lacked by the client side to the client side.

The invention relates to a method for continuously producing p-menthane hydroperoxide by p-menthane and a device thereof. The method comprises the following steps of: 1, blowing an oxidizing gas into an oxidizing tower, adding a mixed solution comprising p-menthane and a catalyst radical initiator into the oxidizing tower to ensure that the gas is in fully contact with the p-menthane solution for carrying out oxidizing reaction; 2, carrying out gas-liquid separation on oxidation products, refluxing a part of p-menthane hydroperoxide products to the oxidizing tower, conveying the left p-menthane hydroperoxide products to a cooler from a discharging hole at the middle of a gas-liquid separator through the other branch pipeline, and entering an intermediate storage tank after cooled; and 3, sending the p-menthane hydroperoxide products in the intermediate storage tank into an evaporator for evaporating and concentrating as well as purifying, then cooling and sending into a product storage tank, and refluxing unoxidized products evaporated by the evaporator to a raw material mixing tank. The invention also relates to a device for implementing the method for continuously producing the p-menthane hydroperoxide by the p-menthane. The p-menthane hydroperoxide produced by using the method in the invention has the advantages of high purity, good quality, stable and safe production process and convenient operation.

The invention discloses a synthesis method of argatroban .The method includes the step of making a compound II of a structure shown in the formula II make contact with and react with a hydrogen donor under the catalytic transfer hydrogenation conditions through the catalyst to obtain an argatroban rough product, wherein the hydrogen donor is formic acid or formate, and the formula II can be seen in the description .By means of the method, formic acid or formate serves as the hydrogen donor, the compound II is subjected to hydrogenation and reduction to obtain argatroban .By means of the method, in the hydrogenation and reduction process of the compound II, catalytic transfer hydrogenation reaction replaces catalytic hydrogenation reaction, operation steps are simplified, the problems on the aspects of technology and safety caused by hydrogen application are solved, reaction dangerousness is reduced, reaction conditions are mild and easy to control, and the method is more suitable for industrial application and production of argatroban.

The invention provides a processing method and device for shared information and a computer readable storage medium. According to the embodiment, on the one hand, interactive operation by a first useron shared information provided by a second user is acquired, interactive resources, capable of being obtained by the first user, of the shared information are determined according to the interactiveoperation and interactive resource transfer rules of the shared information, the interactive resources, capable of being obtained by the first user, of the shared information can be transferred to a resource account of the first user, and the second user, namely a sharing user does not need to perform repeated operation on the shared information through an application to perform interactive feedback operation on a browsing user participating in the interactive operation. In this way, the technical problem that in the prior art, the sharing user performs repeated operation on the shared information through the application to perform interactive feedback operation on the browsing user participating in the interactive operation, and consequently data interaction between the application and acorresponding processing engine is increased can be effectively avoided, and therefore the processing burden on the processing engine of the application is lowered.

The invention provides a method of culturing pearls by using pearl nucleuses with tissue engineering scaffolds. The method is characterized in that a layer of degradable high-molecular polymer with a uniform thickness, serving as a tissue engineering scaffold, is attached to the surface of a pearl nucleus which is to be implanted into a pearl mussel; the tissue engineering scaffold is three-dimensional network space capable of accommodating and growing cells; mantle tissue of pearl shells is separated into single existent free mantle cells by using the enzyme digestion method and a mantle cell suspension with a certain cell density is prepared; mantle cells are attached to the pearl nucleus and then the pearl nucleus and the mantle cell suspension are implanted in a nucleus insertion position of the pearl mussel for culture of a nucleus pearl. The method is simple in operation, requires no in-vitro culture of cells and solves the problem of high technology and equipment requirements of a cell culture method; aseptically packaged pearl nucleuses can be directly transported to culture sites for operation and the transportation is convenient; the method has low requirements for equipment and operators, reduces the production cost greatly and is suitable for large-scale production and application.

The invention discloses an aircraft modeling method based on a maximum information-reliability online identification criterion. The technical problems that the proving correctness of aerodynamic models and parameters verified by a flight test is poor caused by a simplified model identification criterion are solved. The technical scheme includes that data lengths are considered and reliable parameters are introduced in a maximum information criterion, an online modeling criterion is corrected, the division of U-D of Rj and Rj+1 is evaluated for the measurement variance, and a scalar online model selection and verified discriminant is obtained. The method has the advantages that aerodynamic models and moment models of an aircraft can be established on line directly in accordance with flight test data, and the technical problems of aircraft high attack angle model establishment and verification according to flight tests caused by a simplified model determination criterion are solved.

The invention relates to the technical field of industrial inspection, in particular to an infrared ray based high accuracy tachometer. The infrared based high accuracy tachometer comprises an infrared emitter fixed onto a rotary shaft for transmitting an infrared signal, an infrared receiver for receiving the infrared signal emitted by the infrared emitter, a time limit unit for outputting a timing control signal; a switch unit for starting the infrared receiver and simultaneously controlling the time limit unit to output a time control signal, a data detection unit for detecting the number of infrared signal receiving of the infrared receiver, a central processor for receiving the timing control signal, closing the infrared receiver when the detection time is ended, receiving the number of the infrared signal receiving of the infrared receiver, which is detected by the data detection unit, and processing the set time and the number of the infrared signal receiving to obtain a data signal of the rotation speed, and a display unit for receiving the data information of the rotation speed, which is obtained by the central processor, and displaying the data of the rotation speed.

The invention discloses a blade lock with the radial displacement being mutually controlled through a front locking mechanism and a rear locking mechanism. The blade lock comprises a lock body, a lock cylinder, a front brake bolt, a rear brake bolt, a front blade mechanism, a rear blade mechanism, a lock gate and a key. The front brake bolt and the rear brake bolt are arranged side by side between the lock body and the lock cylinder and matched with the front blade mechanism and the rear blade mechanism which are installed inside the lock cylinder to form the front locking mechanism and the rear locking mechanism respectively. The front locking mechanism controls the rear locking mechanism to rotate. The rear locking mechanism controls decoding conditions of the front locking mechanism through a control mechanism. Before the rear brake bolt moves in place, the front locking mechanism does not have the decoding conditions. After the rear locking mechanism is decoded, a spring pushes the rear brake bolt to move downwards in place in the radial direction, the lock gate is closed at the time, control over the front locking mechanism is released by the control mechanism so that the key can decode the front locking mechanism, and unlocking is achieved by rotating the lock cylinder. According to the blade lock, the novel idea and method for replacing time difference with potential difference is adopted, and at present, the blade lock is one of the most effective locks for preventing technological unlocking and violent unlocking in the world.

The present invention provides a liquid level control system and method. The present invention achieves a uniformly soaking process of a substrate during different segments of a fixed time period, by using a liquid removal device to gradually remove a processing liquid from a tank. The substrate is disposed in the liquid in the tank to be wet processed. By the removal of the liquid from the tank via the liquid removal device, an area of the portion of the substrate being processed by the liquid can be gradually decreased whereby the substrate can be uniformly processed.

The invention provides a method and a device for simulating removal of a data covering layer. The method includes that target data are acquired; at least one covering layer is used for covering the target data; the target data covered by the covering layer are displayed; when trigger for removing the covering layer is monitored, the covering layer for covering the target data is removed, and the target data are displayed. By means of the method and the device for simulating removal of the data covering layer, virtual covering of the target data on a terminal and simulating of removal of the target data covering layer can be achieved, and technical problems caused by processing of target data carried on real objects at present can be avoided.

The invention discloses an aircraft modeling method based on a maximum information amount on-line identification criterion. The aircraft modeling method based on the maximum information amount on-line identification criterion is used for solving the technical problem that an existing simplified model identification criterion enables a pneumatic model and parameter calibration correctness given through flight test to be poor. The technical scheme is that the data length is considered and an on-line modeling criterion is revised according to the maximum information amount criterion; and an on-line model selecting and verifying discriminant is obtained through U-D disintegration of measurement variance estimates Rj and Pj+1. The aircraft modeling method facilitates on-line building of an aerodynamic force model and a force moment model of an aircraft according to flight test data directly, and solves the technical problem existing in building and verifying process of an aircraft high-incidence model according to a flight test.

The invention discloses a nitrogen content detection method for infant formula milk powder and belongs to the field of milk powder nitrogen detection. With the nitrogen content detection method for the infant formula milk powder of the invention adopted, a common user can remotely detect the infant formula milk powder through an Internet of Things technology; technical and theoretical thresholds for detecting the nitrogen content of the infant formula milk powder are avoided. According to the method, a user scans a commodity two-dimensional code on an infant formula milk powder subject througha mobile terminal to obtain the production batch information of the infant formula milk powder subject and uploads the corresponding production batch information to a cloud memory; the cloud memory uploads data to an Internet of Things module; and the Internet of Things module calls and summarizes the data; since data acquired by a milk factory detection processing terminal and a third-party laboratory detection processing terminal are summarized and sorted, so that the common user can clearly know the quality of milk powder to be purchased by the user, and irreversible damage to infants dueto the purchase of low-quality milk powder can be almost avoided.

The invention discloses a solar power supply LoRa oil well instrument with a positioning function. The solar power supply LoRa oil well instrument comprises a photovoltaic panel; a solar controller connected with the photovoltaic panel; a micro-control unit connected with the solar controller; a LoRa wireless module connected with the micro-control unit; a wireless sensor connected with the micro-control unit; an integrated indicator, a three-phase wireless electric parameter, a wireless temperature transmitter and a wireless pressure transmitter connected with the wireless sensor. When the uplink data of the LoRa wireless module is received by three or more than three base stations, the LoRa wireless module is positioned through a multi-point positioning technology. According to the invention, interconnection detection of the wireless sensing equipment is realized, a good detection authentication mechanism is established, and technology and business barriers caused by restricting the construction of the Internet of Things from product factors are avoided, so that the investment risk is reduced, and the construction result of the Internet of Things is ensured to be extensible, expandable, easy to maintain and low in cost.