Novel crystal form of revatinib and preparation method thereof

On one hand, the invention provides a polymorphic substance of 1-(4-bromo-5-[1-ethyl-7-(methylamino)-2-oxo-1, 2-dihydro-1, 6-naphthyridine-3-yl]-2-fluorophenyl)-3-phenylurea (formula I), on the other hand, the invention provides a preparation method of the polymorphic substance, and on the other hand, the invention provides a polymorphic substance of 1-(4-bromo-5-[1-ethyl-7-(methylamino)-2-oxo-1, 2-dihydro-1, 6-naphthyridine-3-yl]-2-fluorophenyl)-3-phenylurea (formula I). Compared with the prior art, the crystal form prepared by the invention is high in stability and low in hygroscopicity, has excellent compressibility after being prepared into tablets, and is simple and convenient in preparation method and suitable for subsequent preparation research and development and industrial production.

METHOD AND APPARATUS FOR USE IN REMOTE DIAGNOSIS OF VEHICLE

A method and apparatus for use in the remote diagnosis of a vehicle, the method and the apparatus being applied to a vehicle diagnostic device, wherein the diagnostic device is placed on a vehicle as a vehicle-mounted device, and the diagnostic device establishes a remote communication connection with a remote server. The diagnostic method comprises the following steps: receiving a diagnostic instruction which is sent by the remote server, and acquiring real-time vehicle data of the vehicle according to the diagnostic instruction (S10); sending the real-time vehicle data to the remote server (S20); receiving a maintenance operation instruction which is sent by the remote server, and sending a corresponding execution command to the vehicle according to the maintenance operation instruction so as to perform maintenance (S30). The method and apparatus for use in the remote diagnosis of a vehicle facilitate the remote diagnosis of vehicles, improve diagnostic functions, increase the accuracy ...

节能炉灶（余热回收式2）

节能炉灶（余热回收式1）

Tray convenient to stabilize reagent bottle

... 种便于稳定试剂瓶的托盘，包括托盘壁和托盘底，所述托盘壁的组对边上分别设有条与边长长度相同的滑道，所述滑道上下为滑轨，所述滑轨的两端分别固定连接弹簧，所述弹簧的另端通过滑轮座固定连接滑轮，所述滑轮通过所述弹簧在所述滑轨上滑动，所述托盘壁对边上的滑轮之间固定连接挡片。本实用新型可以将盛放在托盘内的试剂瓶加以固定，避免试剂瓶倾倒造成试剂逸出，污染托盘和试剂浪费，结构简单，方便实用。 ...

Direct current voltage divider calibration method and system

The invention discloses a direct-current voltage divider calibration method and system. The method comprises the steps that after a direct-current voltage divider is matched with an analog quantity isolation device, high-precision direct-current voltage is applied to the input end of a voltage dividing plate of the analog quantity isolation device of the direct-current voltage divider; measuring the voltage of the output end of the isolation plate of the analog quantity isolation device by using a high-precision universal meter, and determining the transformation ratio of the input voltage to the output voltage of the analog quantity isolation device; calibrating the test object through a standard mutual inductor and a calibrator, measuring the ratio error of the test object under the rated standard voltage, and calculating the voltage value of the input end of the isolation device under the rated voltage through conversion of the ratio error of the test object and the transformation ratio ...

Method and system for system-on-chip power consumption analysis

Methods and systems for system-on-chip power consumption analysis are disclosed. The method comprises: monitoring a plurality of key parameters of the system-on-chip, the plurality of key parameters being related to power consumption of the system-on-chip; based on the plurality of key parameters, detecting an exception type of the system on chip; calling a configuration file corresponding to the detected exception type in the plurality of configuration files; monitoring and collecting each parameter in a parameter set included in the called configuration file to form a log; and performing power consumption-based analysis on the system on chip based on the log.

Battery consistency screening method

The invention provides a battery consistency screening method, which comprises the following steps of: performing pre-charging, aging and capacity grading treatment on batteries in sequence, and obtaining a corresponding resistance value and a voltage value after each treatment; based on the obtained corresponding resistance value and voltage value, carrying out primary sorting treatment on the battery; carrying out first charging and discharging treatment on the battery subjected to capacity grading treatment in a high SOC state to obtain a first internal resistance variable quantity DCIR1, and then carrying out second charging and discharging treatment in a low SOC state to obtain a second internal resistance variable quantity DCIR2; and based on the ratio of the first internal resistance variable quantity DCIR1 to the second internal resistance variable quantity DCIR2, carrying out secondary sorting treatment on the battery. Therefore, through the two times of screening, based on the ...

Three-dimensional demonstration interaction platform

The invention relates to the technical field of demonstration, and discloses a three-dimensional demonstration interactive platform which is mainly composed of a hardware part, a resource file part and a software function part and comprises the following states of an editing state and a publishing state, the editing state is an editor, the publishing state is presented in an executable program mode, and the editing state is an editing program. The editing state supports the following programs: creating a demonstration task, an interaction task and an industry model library; the release state supports the following programs: viewing a demonstration task, interacting and viewing a model library. The three-dimensional demonstration interaction platform improves the demonstration effect by setting and creating different demonstration tasks, increases interestingness, reduces the seriousness of speech and further improves the speech effect by setting question and answer interaction, action interaction ...

SUPPORT LEG TRAY AND ENGINEERING MACHINERY COMPRISING SAME

Disclosed are a support leg tray and engineering machinery comprising the same. The support leg tray comprises a support leg tray main body (10) and an elastically retractable elastic rolling support apparatus (20) arranged on a base plate (11) of the support leg tray main body (10), with the elastic rolling support apparatus (20) being retractable into the support leg tray main body (10). According to the support leg tray in the present invention, the structure is simple, the positioning of the support leg tray can be rapid and accurate, and the security of the engineering machinery in an operation process is improved.

PREPARATION METHOD OF PCI-32765 CRYSTAL FORM A

A preparation method of a PCI-32765 crystal form A. The preparation method comprises the following steps: 1) dissolving free alkali solid of PCI-32765 into a positive solvent; 2) adding a solution in the step 1) in an anti solvent dropwise, stirring after dropwise adding is completed, and adding a crystal seed of the PCI-32765 crystal form A, or adding the solution in the step 1) in suspension liquid containing the crystal seed of the PCI-32765 crystal form A; 3) controlling a solution system obtained in the step 2) to continuously stir, and ageing to obtain crystal magma; and 4) filtering, washing and drying the crystal magma to obtain powder of the PCI-32765 crystal form A. The preparation method has the characteristics of simpleness in process operation, stable and controllable process, high yield, environmental protection, good impurity removing capacity and suitability for industrial production. In addition, the prepared crystal form A can be stably stored, and the hygroscopicity and ...

扩展坞（X0163）

Mobile robot path planning method based on hybrid intelligent algorithm

The invention relates to the technical field of robot path planning, in particular to a mobile robot path planning method based on a hybrid intelligent algorithm, which combines an A-Star algorithm and a DWA algorithm, adds a safety threshold function in an evaluation function of a standard A-Star algorithm, and adds a redundant node elimination strategy and path smoothing processing in the A-Star algorithm. A curvature evaluation sub-function and a target point distance function are added in an evaluation function of a standard DWA algorithm, a weight coefficient of a speed evaluation function is adaptively adjusted according to the shortest distance of all obstacles in a local environment, a new weight coefficient is obtained, the path safety is improved, meanwhile, smooth optimization is conducted on the path, and the optimal path is obtained. Meanwhile, the running speed of the mobile robot can be adaptively adjusted according to local obstacle information, and efficiency is greatly ...

Flow battery local polarization prediction method based on multi-scale model

The invention discloses a flow battery local polarization prediction method based on a multi-scale model, and belongs to the field of flow batteries. According to the invention, the battery scale model and the pore scale model are constructed, and the battery scale model can simulate the mass transfer process and electrochemical reaction of the active substance from centimeter to meter, and has a large simulation range; and the pore scale model can simulate the mass transfer process and electrochemical reaction of the active substances from the nanometer scale to the micrometer scale, can reflect the geometric structure formed by the carbon fibers, and has high accuracy. According to the multi-scale model, the relationship among the pore scale geometric condition, the battery scale inlet condition and the pore scale local polarization condition is learned through a machine learning method, and the connection between the battery scale model and the pore scale model is realized. The method ...

Heat preservation structure and method of external sliding prefabricated overhead heat preservation pipe joint

The invention discloses a heat preservation structure and method of an external sliding prefabricated overhead heat preservation pipe joint, and belongs to the technical field of pipeline heat preservation. The heat preservation structure comprises a working pipe, a soft heat preservation layer, a hard splicing heat preservation layer, a polyurethane heat preservation layer, an elastic heat insulation sealing gasket, an elastic composite heat preservation ring, an external protection layer, a connector section, a composite hard heat preservation ring, a fixed heat preservation ring, a sealing waterproof sleeve, sealant and a metal outer protection layer. The problem of serious heat loss at the joint of a finished heat preservation pipe can be solved, the elastic heat insulation sealing gasket and the composite elastic heat preservation ring are used in the heat preservation ring at the pipeline welding joint, and gaps generated by expansion when the pipeline joint is heated are perfectly ...

PROLINE DERIVATIVE AND APPLICATION THEREOF IN PREPARING DRUG FOR TREATING CARDIOVASCULAR AND CEREBROVASCULAR DISEASE

Provided in the present invention are a proline derivative, a preparation method therefor and an application thereof in preparing a drug for treating cardiovascular and cerebrovascular disease. The structure of the proline derivative is represented by general formula (I); pharmacological experiments prove that the proline derivative provided by the present invention has a significant effect in protecting nerves and may be used for preparing a drug for treating cardiovascular and cerebrovascular disease, in particular being used for preparing a drug for preventing ischemic stroke.

KEYCHAIN-BASED DATA MANAGEMENT METHOD, TERMINAL AND DEVICE, AND COMPUTER READABLE STORAGE MEDIUM

A Keychain-based data management method, terminal and device, and a computer readable storage medium. The method comprises: constructing dictionaries, each dictionary corresponding to several Key-Value pairs, each Key-Value corresponding to a type of attribute information of a user (S101); receiving user information input by the user, the user information comprising at least one type of attribute information (S102); generating the user information into a particular character string (S103); setting the particular character string as a Key-Value in the dictionaries according to the attribute information (S104); encoding the Key-Value (S105); writing the constructed dictionaries into a Keychain (S106); and decoding the Key-Value if a Key-Value accessing instruction from the user is received (S107). The method improves the conventional Keychains and facilitates storing and reading user information.

Submersible vehicle networking formation method based on optimal rigid graph

The invention discloses a submersible vehicle networking formation method based on an optimal rigid graph, belongs to the technical field of underwater sensor networking formation, and specifically comprises the steps that n submersible vehicles are randomly deployed in a monitoring area, and the submersible vehicles can communicate with one another; the position of the submersible vehicle in the neighborhood is obtained by broadcasting the position of the submersible vehicle, and meanwhile the distance is calculated through the time difference; when the average distance between the neighborhood submersible vehicles is greater than a distance threshold dthreshold, the submersible vehicles generate a local rigidity topology by adopting a distance-based rigidity method; otherwise, generating a local rigidity topology by adopting a method based on azimuth rigidity; further generating a global optimal rigidity graph by the control center by using the local rigidity graph; a width learning controller ...

Laser direct writing system inscribing method and device and computer equipment

The invention relates to a laser direct writing system inscribing method and device and computer equipment. The laser direct writing system comprises an image sensing module, a galvanometer and a displacement table. The method comprises the following steps: determining a first relationship between a first distance of movement of the displacement table and a second distance of corresponding movement of a pixel point of the image sensing module; determining a second relationship between the galvanometer voltage and the inscribing length based on the first relationship and a preset coefficient; and writing the to-be-written file based on the second relationship. According to the method, by determining the second relation between the galvanometer voltage and the inscribing length, the optimal system parameters in the current inscribing environment can be directly determined before inscribing, the galvanometer voltage is accurately controlled according to the length needing to be inscribed, ...

Formation method of semiconductor substrate layer and preparation method of heterojunction cell

The invention relates to the technical field of preparation of solar cells, and particularly provides a forming method of a semiconductor substrate layer and a preparation method of a heterojunction cell. The forming method of the semiconductor substrate layer comprises the following steps: providing an initial semiconductor substrate layer; forming a buffer semiconductor layer on at least one side surface of the initial semiconductor substrate layer, wherein the buffer semiconductor layer is in an amorphous state; after the buffer semiconductor layer is formed, diffusion annealing treatment is carried out, so that a doping layer is formed in a part of thickness of the buffer semiconductor layer in the process that the buffer semiconductor layer is gradually converted from an amorphous state to a crystalline state; in the diffusion annealing treatment process, an oxide layer located on the surface of the side, away from the buffer semiconductor layer, of the doping layer is further formed ...

Electromagnetic auxiliary braking system based on closed-loop control and control method thereof

With the popularization of electric bicycles in urban non-motor vehicle traffic transportation, traffic safety accidents caused by improper speed control and unequipped advanced AEB (Automatic Brake Braking) systems have become one of the hindrances of large-scale popularization of the electric bicycles. The invention provides an electromagnetic auxiliary braking system based on closed-loop control, which is characterized in that a novel eddy current retarder is introduced on the basis of an original hardware structure, and a brand new speed control module taking an embedded system as a control center is carried; after hardware model selection and algorithm design, a mathematical model suitable for auxiliary hardware is constructed, and closed-loop control of intelligent speed regulation and control is realized; the model is simulated in a simulink/matlab environment, a plurality of influence factors are introduced, and the system function and stability are tested through error analysis ...

Optical disk self-service receiving and transmitting system and optical disk self-service receiving and transmitting method

The invention relates to an optical disk self-service receiving and transmitting system and an optical disk self-service receiving and transmitting method. The optical disk self-service receiving and transmitting system comprises an object grabbing device, a coding device and a control device, the control device is in communication connection with the object grabbing device and the encoding device. The control device is used for controlling the encoding device to encode the blank optical discs, controlling the object grabbing device to grab the blank optical discs from the feeding channel to the encoding device and controlling the object grabbing device to grab the encoded blank optical discs to the issuing window. And the control device is used for controlling the object grabbing device to grab the waste optical disc from the recycling window to the recycling channel. According to the technical scheme of the invention, the labor cost is reduced, and the efficiency and accuracy of optical ...

PROCESS FOR USING ORGANIC HIGH-SALT WASTEWATER TO PREPARE INDUSTRIAL REFINED SALT

Provided is a process for using organic high-salt wastewater to prepare industrial refined salt; organic high-salt wastewater is pretreated for oil removal, then fed into a secondary evaporative crystallizer of a multi-effect evaporative crystallization system for multi-effect evaporation; after multi-effect evaporation and water removal, hazardous waste salt particles are obtained; the hazardous waste salt particles are fed into a multi-stage rotary kiln and thermal desorption is performed; organic substances in the hazardous waste salt are removed and the obtained solid particles are dissolved and impurities are removed; carbon slag, phosphorus, ammonia nitrogen, and calcium and magnesium ions are removed from the solid particles; the obtained saline solution is again fed into a primary evaporative crystallizer of the multi-effect evaporative crystallization system; evaporative crystallization is performed to obtain an industrial refined salt.

Inspection method and system using quadruped robot

The invention discloses an inspection method and system applying a quadruped robot, and the method comprises the steps: obtaining equipment parameters of an inspection database and the quadruped robot when to-be-analyzed inspection data at a current moment is received, enabling the to-be-analyzed inspection data to be matched with preset standard inspection data of the inspection database one by one, and if the to-be-analyzed inspection data is not matched with the standard inspection data, carrying out the inspection of the quadruped robot. If yes, inputting the inspection image in the inspection data to be analyzed into a pre-trained geometric analysis model, generating obstacle data, judging whether a passing height value in the obstacle data is greater than a preset height threshold value, and if the passing height value is greater than the height threshold value, constructing a passing analysis function according to the inspection data to be analyzed and the equipment parameters, generating ...

1ns-level pulse width single-frequency pulse laser and control method

The invention belongs to the technical field of solid lasers, and discloses a 1ns-level pulse width single-frequency pulse laser and a control method, a reflection device is fixed at the lower end of pump laser, a thin film polaroid is fixed at one side of the reflection device, a crystal is fixed at one side of the thin film polaroid, and an acousto-optic switch, an absorption crystal and an output lens are arranged at the rear end of the thin film polaroid for output; the pumping laser and the reflecting device are fixed in the protective shell, the continuous single-frequency seed light source is fixed on the left side of the protective shell, the piezoelectric ceramic is arranged on the upper right portion of the protective shell, and the photoelectric detector is arranged at the lower right end of the protective shell. The piezoelectric ceramic and the photoelectric detector are in linear connection with a CPLD controller, the CPLD controller is in linear connection with an acousto-optic ...

Rolling brush hair winding device for high-precision sweeper

The invention discloses a rolling brush hair winding device for a high-precision sweeper, and relates to the field of sweepers, the rolling brush hair winding device comprises a workbench, side plates are arranged at the upper end of the workbench and located on the two sides, a rolling shaft is arranged between the two side plates and close to one end, and a first motor is arranged on the side walls of the side plates and located on one side of the rolling shaft; a guide mechanism is arranged between the two sets of side plates and located in the middle, a brush strip is arranged on the guide mechanism, a groove is formed in the position, close to one side, of the bottom end of the workbench, a feeding mechanism is arranged at the position, located below the groove, of the bottom end of the workbench, the guide mechanism comprises a transverse plate, and a sliding groove is formed in the upper end of the transverse plate; a second motor is started to enable a screw rod to rotate in a sliding ...

Fixing frame for power cable

The invention discloses a fixing frame for a power cable, and relates to the technical field of power cables. The fixing frame comprises a fixing frame body which is placed on an outer contact surface; the additionally-arranged using mechanism is connected to the upper end face of the fixing frame body. The additionally-arranged using mechanism comprises a moving plate, a rotating wheel connected to the moving plate and first bolts connected to the four corners of the moving plate. And; the auxiliary mechanism is connected to the upper end face of the fixing frame body. By additionally arranging the using mechanism and the auxiliary mechanism, the problems that when an existing power cable is used, the power cable is placed on a fixing frame and then pulled, the power cable rubs with the fixing frame during pulling, pulling is strenuous, the power cable is abraded in the pulling process, and the service life of the power cable is prolonged are solved. And after the power cable is laid, ...

Novel information management system for industrial internet identification analysis

The invention relates to a novel information management system for industrial internet identifier analysis, which comprises a data application module, an authentication module, a data input module, a data information management module, a security management module, a data early warning module and an intelligent management module, and is characterized in that the output end of the data application module is electrically connected with the input end of the authentication module; the output end of the authentication module is electrically connected with the input end of the data input module, the output end of the data input module is electrically connected with the input end of the data information management module, and the output end of the authentication module is electrically connected with the input end of the safety management module. The novel information management system for industrial internet identifier analysis is simple in overall structure, the purpose that the information management ...

AIR QUALITY SENSOR FOR VEHICLE AND AIR QUALITY DETECTING SYSTEM FOR VEHICLE

An air quality sensor for a vehicle and an air quality detecting system for a vehicle, wherein the air quality detecting system for a vehicle comprises a humidity detecting device (711, 711A), an air quality sensing component (730, 730A), and a central control component (720, 720A). The humidity detecting device (711, 711A) is configured to detect at least one of the humidity of the air inside the vehicle and the humidity of the air outside the vehicle; the air quality sensing component (730, 730A) is configured to detect the air quality; the humidity detecting device (711, 711A) and the air quality sensing component (730, 730A) are operatively connected to the central control component (720, 720A), respectively, and the central control component (720, 720A) receives the humidity data detected by the humidity detecting device (711, 711A) and regulates the operation of the air quality sensing component (730, 730A) to prevent excessive humidity from affecting detection results of the air ...

METHOD FOR DESIGNING PRIMERS, PRIMERS, AND METHOD FOR ISOTHERMAL AMPLIFICATION OF NUCLEIC ACID FRAGMENTS

Provided are a method for designing primers, primers and a method for the isothermal amplification of a nucleic acid fragment. The primers are designed by means of using a nucleic acid fragment with a trapezoidal Tm value curve as a target, and the designed primers can be used to realize the isothermal amplification of nucleic acid under the catalysis of DNA polymerase (large fragment).

Foundation pit safety protection device

The invention relates to a safety protection device for a foundation pit. The safety protection device is characterized by comprising a baffle; the telescopic rods are rotatably installed on the side wall of the baffle, and movable pieces are rotatably installed at the ends, away from the baffle, of the telescopic rods; and the positioning insertion block is fixedly installed on the movable piece and used for being inserted into a soil body outside the foundation pit. The device is convenient to use and easy to operate.

APPLICATION OF AIR QUALITY SENSOR FOR VEHICLE

An application of an air quality sensor for a vehicle. A control method for in-vehicle air quality comprises the following steps: (a): obtaining one piece of out-vehicle air quality information (12) and one piece of in-vehicle air quality information (11); and (b) controlling, on the basis of the out-vehicle air quality information (12) and the in-vehicle air quality information (11), an air exchange device (100) to operate so as to control in-vehicle air quality. An air quality obtaining system obtains a geographic position and air quality by using a vehicle (7200A) having an air detector (71A); a vehicle navigation system navigates the vehicle according to the air quality. According to the application above, driving environment data can be obtained and improved, and a more advantageous determination for the health of a driver is made.

MULTIFUNCTIONAL UNIVERSAL SUSPENSION DEVICE

A multifunctional universal suspension device, relating to the field of aircraft suspension device design. The suspension device comprises a suspension body (100); the upper side surface of the suspension body is provided with multiple types of upper interfaces to adapt to different aircraft platform suspension points; and the lower side surface of the suspension body is provided with multiple types of lower interfaces to mount suspensions having different interface types. By designing multiple sets of interfaces, the multifunctional universal suspension device can adapt to different aircraft platforms, suspension points, and different types of suspensions, so that the suspension device has better universality.

DISPLAY PANEL, CONTROL METHOD AND APPARATUS THEREOF, AND CONTROL DEVICE

A display panel, and a control method and apparatus thereof. A display array (1) of the display panel comprises a plurality of pixel groups. The pixel group comprises a first pixel column (11), a green pixel column (12), and a second pixel column (13) which are arranged sequentially. The green pixel column (12) comprises a plurality of green sub-pixels (121) arranged along the column direction. Data lines by means of which the green sub-pixels (121) are connected to a driver (2) comprise a first branch and a second branch connected to the first branch in parallel. The first branch comprises a first switch (01), and a second branch comprises a second switch (02) and a step-down unit (03).

Low-resistance multifunctional large-scale acoustic equipment installation appendage

The invention discloses a low-resistance type multifunctional large acoustic equipment mounting appendage which is connected to the bottom of a ship body and comprises an appendage body, the appendage body comprises a front section and a rear section, the front section of the appendage body is a long and narrow body in the length direction of the ship, the rear section is a wide body widened in the left-right direction of the width of the ship, and transition from the front section to the rear section is width smooth transition. A mounting inner cavity with an inverted trapezoidal section at the lower half part is arranged in the attachment body close to the front end of the attachment body, and a double-end V-shaped multi-beam transducer is arranged in the mounting inner cavity. Compared with a single-head flat-bottom transducer, the double-head V-shaped multi-beam transducer has an obvious difference in measurement efficiency, the measurement efficiency can be improved by 100% to the ...

Method for determining wall back soil pressure of balance weight type embankment retaining wall

The invention discloses a method for determining wall back soil pressure of a balance weight type embankment retaining wall, so that the stress calculation of the balance weight type retaining wall is closer to the actual stress, and the safety and reliability of the design of the balance weight type retaining wall are ensured. Comprising the following steps that S1, the upper wall soil pressure is calculated, specifically, the second fracture surface soil pressure is calculated, and according to the position where a first fracture surface is formed, the first fracture surface intersects with a roadbed surface, and the first fracture surface intersects with a side slope; s2, upper wall stress is converted into upper wall back and balance weight table calculation, upper wall second fracture surface soil pressure is converted into the upper wall back and balance weight table, and upper wall back horizontal soil pressure, upper wall back vertical soil pressure, upper wall back total soil pressure ...

GNSS-IR soil humidity inversion method and system

The invention provides a GNSS-IR soil humidity inversion method and system, and belongs to the technical field of soil humidity data monitoring, and the method comprises the steps: collecting a DSNR sequence of a target rugged topography; performing space clipping on the DSNR sequence by using preset topographic data and a preset height difference threshold to obtain an initial clipping DSNR sequence; constructing a reference cosine waveform, and performing time clipping on the initial clipping DSNR sequence based on the reference cosine waveform to obtain a deep clipping DSNR sequence; and inputting the depth clipping DSNR sequence into a preset standard soil humidity inversion model to obtain the soil humidity of the target rugged topography. According to the method, the DSNR sequence in the GNSS observation data is cut, and available data on the rugged topography is reserved to the maximum extent, so that the influence of the topography on the DSNR data quality is reduced, and the purpose ...

Long-distance convenient electric disassembly and assembly power transmission cable terminal pole drainage plate device

The invention discloses a long-distance convenient electric disassembly and assembly device for a drainage plate of a power transmission cable terminal pole, and the device comprises a first disassembly and assembly tool which is used for disassembling and assembling a bolt of the drainage plate; the second dismounting and mounting tool is used for clamping the drainage plate; the first disassembling and assembling tool is provided with an electric spring, the electric spring has three working states, and when the electric spring is in the first working state, the spring is not subjected to tension; when the electric spring is in a second working state, the spring is subjected to compressed elastic force; when the electric spring is in a third working state, the spring is subjected to elastic force in the stretching direction; maintenance of the cable terminal tower drainage plate is achieved, operation of operators is facilitated, operation difficulty is reduced, operation intensity is ...

CLOUD PLATFORM-BASED VEHICLE POST-SERVICE MANAGEMENT SYSTEM AND METHOD

The present invention relates to the technical field of big data, and relates in particular to a cloud platform-based vehicle post-service management system and method. The system comprises: a detection device, a device management platform, and a service system. The detection device is used to obtain at least two kinds of vehicle detection data, and each of the at least two kinds of vehicle detection data is related to a vehicle identification code of the same vehicle. The device management platform is used to receive the vehicle detection data, process the vehicle detection data, and send the processed vehicle detection data to the service system. The service system is used to, according to the processed vehicle detection data, provide vehicle business services for the same vehicle. The present invention can systematically integrate detection data of a vehicle and provide vehicle post-service according to the integrated detection data, which not only improves the efficiency of vehicle ...

STAY-WIRE TYPE OUTRIGGER STRUCTURE AND CRANE HAVING THE SAME

Disclosed are a stay-wire type outrigger structure and a crane having the same. The stay-wire type outrigger structure includes a main outrigger (1), a movable outrigger (3) and a stay-wire device (4), wherein the main outrigger (1) comprises a main support end and a main outrigger mating end; the main support end is one connected with a vehicle frame and comprises a main support part connected onto the vehicle frame; the movable outrigger (3) comprises a movable outrigger support end and a movable outrigger mating end; the movable outrigger mating end is slidably sleeved-connected with the main outrigger mating end; the stay-wire device (4) is diagonally arranged between the main support end of the main outrigger (1) and the movable outrigger support end of the movable outrigger (3). The stay-wire device of the stay-wire type outrigger structure limits the flexibility of the outrigger in a certain range, thereby increasing the integral rigidity of the stay-wire type outrigger structure ...

Ferritic stainless steel molten pool columnar crystal control method based on high-power laser welding

The invention relates to the field of ferritic stainless steel laser welding, in particular to a ferritic stainless steel molten pool columnar crystal control method based on high-power laser welding. And 2, performing low-angle high-flow gas protection. And thirdly, ultralow-temperature shielding gas welding is achieved through a protection helium cooling device. The self-fluxing weldability of the ferritic stainless steel is greatly improved, the strength and toughness of a welded joint are greatly improved, and the mechanical property requirements under most conditions are met. The application range of ferritic stainless steel is expanded, austenitic stainless steel can be replaced in part of fields, and the use cost is reduced.

SUPPORT LEG TRAY AND CRANE

Disclosed is a support leg tray, comprising a ball seat (1) with a top surface provided with a spherical groove, and a chassis (2) supported at the bottom of the ball seat (1), wherein the ball seat (1) is detachably mounted on the chassis (2), and the chassis (2) comprises a plurality of detachably connected splicing pieces (20). Further disclosed is a crane, comprising the above-mentioned support leg tray, wherein a ball head of a vertical oil cylinder for support legs of the crane is matched with the spherical groove of the ball seat (1). The support leg tray can be handled and positioned rapidly, saving storage space; and the load distribution of the support leg tray can be adjusted and optimized.

Minimum R return bend plug and return bend equipment

... 本实用新型公开一种极小R弯管芯棒及弯管设备，放置于弯管内，所述弯管包括弯曲部和直管部，所述芯棒包括放置于弯管直管部的芯杆和用于支撑弯管弯曲部的至少两个球头，所述球头包括弧形面，所述弧形面与弯管弯曲部内壁相接触，球头之间通过连杆接触连接，所述连杆的两端分别铰接在两个球头的内部，所述芯杆一端铰接在球头外部，另一端沿直管部轴线方向向管口延伸。本实用新型的极小R弯管芯棒及弯管设备能够解决现有技术中管件在折弯加工过程中易产生裂纹及塌陷的问题。 ...

Wastewater treatment device

... 本实用新型涉及种废水处理装置，其特征在于：包括依次连接的集水沉淀池，反应絮凝池和中和澄清池，集水沉淀池设于地面以下，与设于地上的多路废水明槽连接，在反应絮凝池和中和澄清池中分别设有由电机驱动的第搅拌器和第二搅拌器，集水沉淀池和反应絮凝池之间通过第排水泵连接，反应絮凝池和澄清池之间通过第二排水泵连接。本实用新型结构简单，投入成本低，方便实用，通过集水沉淀池，反应絮凝池和中和澄清池进行三步净化处理，分别有效去除废水中的固体杂质、有机物、无机物，调节酸碱平衡度，使废水达到工业排放标准，有效降低废水处理成本。 ...

Process for replacing three sets of blast furnace slag ports

The invention relates to a process for replacing three sets of blast furnace slag notches. The process comprises the following steps: impacting the three sets of slag notches; stopping impacting, tightly hooking the three sets of slag holes, and pulling the three sets of slag holes; and cleaning and installing the three sets of new slag holes to complete the replacement of the three sets of slag holes. Face impact is adopted when the three slag openings are impacted; during collision, collision positions are uniformly distributed on the surface of the third slag notch sleeve; when the collision is stopped, bonded slag iron or rust between the third slag notch sleeve and the second slag notch sleeve falls off; the cleaning comprises surface cleaning of the second slag notch sleeve and the large slag notch sleeve; and cleaning the internal space of the slag hole. According to the technology for replacing the third slag notch set of the blast furnace, the replacement time of the third slag ...

Bidirectional authentication method and device for flashing tool and electronic controller and electronic equipment

The invention provides a bidirectional authentication method and device for a flash tool and an electronic controller and electronic equipment. The method comprises the following steps: acquiring a first signature value of a flashing tool, wherein the first signature value is used for establishing a trust relationship between the flashing tool and a client; sending the first signature value to the electronic controller, so that the electronic controller performs first signature verification on the first signature value to obtain a first signature verification result, and sending response information to the flashing tool according to the first signature verification result; first response information of the electronic controller is obtained, the first response information shows that the first signature verification result is that signature verification is passed, the first response information comprises a second signature value of the electronic controller, and the second signature value ...

Matrix form controlled phase change ignition system

The invention discloses a matrix form controlled phase change ignition system, which adopts a launching rack, a launching box, launching ignition units and a controller, N launching cylinders are arranged in the launching box, a shell is arranged in each launching cylinder, and each shell is provided with M launching ignition units, the controller is electrically connected with the N manual switches, the CAN bus, the N transmitting relays and the M transmitting ignition units and used for controlling the corresponding transmitting relays to be correspondingly switched on when receiving control input instructions sent by the manual switches or the CAN bus, then automatically setting corresponding time intervals according to the current environment temperature, and starting the transmitting ignition units according to the corresponding time intervals. And controlling the M emission ignition units in the corresponding shells to be connected in sequence. According to the invention, the number ...

ELECTRIC CLEANING DEVICE

Disclosed is an electric cleaning device, comprising a battery pack component (1), a handle component and a machine head component. The battery pack component (1) is provided at the bottom of an end of the left and right handle (35) and an electrically conductive insert component (2) is provided on a battery component cartridge. The centre of the left and right handle is provided with a pulling apparatus composed of a trigger (3), a microswitch (4), a water inlet valve (5), a water inlet connector (6) and a valve button (7). When the trigger (3) is pulled, the microswitch (4) opens at the same time as the water inlet valve (5), the electric current in the battery pack component (1) enters the electric motor (20) via a conduction part to make the motor rotate while also rotating a planetary reduction gearbox (21), a bevel gear component (26), a short universal joint (25), a long universal joint (24), and a brush head (22) together. Since the water inlet valve (5) is open during the rotation ...

Binding structure capable of quickly fixing fracture

The invention belongs to the technical field of medical apparatus and instruments, and discloses a binding structure capable of quickly fixing fracture, which comprises a fitting part, a locking block and a binding rope, the fitting piece is rod-shaped or sheet-shaped and is made of a metal material with a memory function; the locking block is provided with a fixing hole and at least one locking hole; in the two ends of the binding rope, one end is a fixed end, and the other end is a penetrating end; when the attaching piece is in a rod shape, a plurality of first penetrating holes are formed in the attaching piece in the length direction of the attaching piece, and each first penetrating hole corresponds to one binding rope or all the first penetrating holes correspond to one binding rope. When the attaching piece is in a sheet shape, a plurality of second penetrating holes are formed in the attaching piece in the circumferential direction. The elastic binding band is suitable for binding ...

Personalized literature recommendation method combining Doc2vec and Faiiss

The invention discloses a personalized literature recommendation method in combination with Doc2vec and Faiiss, which comprises the following steps: collecting academic literature data from an academic literature library and preprocessing the academic literature data to generate a training corpus; inputting the training corpus into a Doc2vec model for training to obtain a semantic model; a semantic model is used for deducing a recall pool literature Embedding and a user behavior literature Embedding; adding the recall pool literature vectors to Faiiss, and constructing an index vector library; a user Embedding calculation rule is formulated, and linear weighting is carried out on the user behavior literature Embedding to serve as a user feature vector; literature recall is carried out in Faiiss based on the user feature vector, and a personalized literature recommendation list is generated for the user. According to the method, potential semantic information of the literature is mined through ...

Vehicle-mounted early warning device

The invention discloses a vehicle-mounted early warning device, which comprises a camera, a movable holder, a detection radar and a warning lamp, and is characterized in that the camera is used for shooting road images to obtain position information, and the movable holder is used for adjusting the posture according to the position information; the detection radar is carried on the movable holder and used for acquiring distance information with a rear coming vehicle, the warning lamp is carried on the movable holder, a light source is arranged in the warning lamp, and the warning lamp irradiates the front of the road surface of the rear coming vehicle according to the distance information and is used for warning the rear coming vehicle. According to the vehicle-mounted early warning device, secondary traffic accidents can be reduced when the two parties are inconvenient to move in a traffic accident.

ROD HANGING APPARATUS AND OPTICAL FIBER DRAWING SYSTEM

A rod hanging apparatus, comprising a tower, a rod hanging station being provided thereon; multiple rod hanging parts, arranged on the tower; and rod-hanging platforms, arranged on the tower and configured for fixing an optical fiber preform rod, multiple such platforms being provided, and being arranged with one-to-one correspondence on the rod hanging parts. The rod hanging platforms on the rod hanging parts are all able to move or rotate to the rod hanging station, and multiple rod hanging platforms move or rotate alternately to the rod hanging station.

Blast furnace iron storage type main channel, filling method and repairing method

The invention belongs to the technical field of blast furnace iron storage type main channels, and particularly relates to a blast furnace iron storage type main channel, a filling method and a repairing method. Comprising a main groove, the cross section of the inner surface of the main groove is rectangular, a special-shaped main groove is formed in the main groove, and the outer surface of the special-shaped main groove is matched with the inner surface of the main groove; the cross section of the inner surface of the special-shaped main groove is in an inverted trapezoid shape, and the thicknesses of the two side faces of the special-shaped main groove are gradually reduced from an inlet of the special-shaped main groove to an outlet of the special-shaped main groove. The inner bottom face of the special-shaped main channel comprises an iron storage section and an iron falling section, and the iron storage section is lower than the iron falling section.

Monitoring image management method and device, computer equipment and storage medium

The invention relates to the technical field of intelligent cabinets, and discloses a monitoring image management method and device, computer equipment and a storage medium. Acquiring an image calling parameter corresponding to the monitoring image calling request; querying a cloud database according to the image calling parameters, and judging whether target cloud address information exists or not; if the target monitoring image does not exist, querying a cabinet end database according to the image calling parameter so as to obtain the target monitoring image from the cabinet end database; if the target monitoring image fails to be acquired, sending an image calling parameter to the third-party monitoring platform, so that the third-party monitoring platform returns target third-party address information corresponding to the monitoring image calling request; and receiving target third-party address information, and obtaining a target monitoring image according to the target third-party ...

Conductive film mounting equipment and use method thereof

The embodiment of the invention discloses conductive film mounting equipment and a use method of the conductive film mounting equipment. The conductive film mounting equipment comprises a shell positioning mechanism, a mounting mechanism and a displacement mechanism. The mounting mechanism is provided with a positioning film attached to the conductive film to ensure that the conductive film does not warp. The installation mechanism is further provided with positioning columns matched with the positioning holes in the positioning film to assist the positioning film in positioning, the positioning columns elastically deform when the conductive film is attached to the side wall of the cylindrical shell, and therefore attachment of the conductive film and the side wall cannot be affected. Through the arrangement, it is ensured that the conductive film cannot be curled and tilted in the installation process, the situation that the device hinders installation of the conductive film does not exist ...

Zoom lens and gun

The zoom lens comprises a lens barrel, a first lens group, a second lens group, a third lens group and a fourth lens group, the first lens group, the second lens group, the third lens group and the fourth lens group are sequentially arranged from the object side to the image side, and the size of the image plane is set to be phi 12 mm. Through reasonable arrangement of the four lens groups and conditional limitation of the ratio of the focal length of the wide-angle end of the zoom lens to the focal length of each lens group, the focal length fw at the wide-angle end is 25.6 mm, and the focal length ft at the telephoto end is 249.7 mm; the aperture number of the wide-angle end reaches 4.51, the aperture number of the telephoto end reaches 7.65, the optical distortion range is controlled between-0.8% and 0.8%, the total optical length TTL of the zoom lens is 199mm, the sixth lens, the eighth lens and the twelfth lens are set to be glass aspheric lenses, the same performance in the prior ...

Artificial climbing anti-falling protection device

The invention relates to a manual climbing anti-falling protection device which comprises a lifting hook mechanism and a hook mechanism detachably connected to the lower portion of the lifting hook mechanism, the hook mechanism comprises supporting and guiding assemblies, and a buckling claw is driven by a lifting assembly arranged between the supporting and guiding assemblies to rotate to achieve opening and closing; the lifting hook mechanism comprises a lifting rod assembly and a lifting appliance assembly connected with the lower end of the lifting rod assembly, the lifting appliance assembly comprises two lifting hooks arranged in a splayed shape, and the pin shaft is driven by the transmission mechanism to be pulled out of or pushed into the lifting hook fixing block and the square hole. The buffer part is fixedly arranged at the lower end of the suspender fixing seat, so that impact on the unmanned aerial vehicle in the take-off, landing, hanging and dismounting processes is avoided ...

COMMUNICATION METHOD, APPARATUS AND SYSTEM FOR REMOTE DIAGNOSIS OF AUTOMOBILE

Disclosed in the present invention is a communication method for remote diagnosis of an automobile, which is applied to a web server. The method comprises: when a login request of a web front end is received, establishing a first socket connection with the web front end; receiving an automobile remote diagnosis request of the web front end through the first socket connection, and obtaining an identifier of a target automobile diagnosis device carried in the automobile remote diagnosis request; establishing a second socket connection with the target automobile diagnosis device according to the identifier of the target automobile diagnosis device; and executing exchange of automobile diagnostic data between the web front end and the target automobile diagnosis device through the first socket connection and the second socket connection. Also disclosed in the present invention are a communication apparatus and system for remote diagnosis of an automobile. By means of the present invention, ...

BLOOD SMEAR DRYING METHOD, DEVICE AND SMEARING DEVICE

A blood smear drying method, device and smearing device; when drying a blood smear, using dry gas as a drying medium for the blood smear dries the blood film on the blood smear, thus reducing the drying time of blood smears and the number of stored blood smears. The drying medium is obtained by: first removing liquid water from high-pressure gas, then filtering out the water vapor, and finally depressurizing the high-pressure gas to normal pressure to obtain a drying medium with relatively low humidity. In addition, provided is another preferred embodiment: heating the drying medium, to reduce the relative humidity of the heated drying medium. In order not to cause deformation of blood film cells, preferably directing the heated drying medium in the spread direction of the blood film on the blood smear, thus completely drying the blood smear, reducing the possibility of deforming of the blood film, improving the drying quality of the blood smear.

MYRICETIN DERIVATIVE AND PREPARING METHOD THEREOF, AND APPLICATION OF SAME FOR TREATING COLITIS, PREVENTING AND TREATING COLITIS TUMORIGENESIS, AND TREATING COLORECTAL CANCER

Provided are a myricetin derivative, a preparing method and pharmaceutical composition thereof, an application of same in treating colitis, preventing and treating colitis tumorigenesis, and treating colorectal cancer, and a use of same in preparing a composition for regulating an activity of an endoplasmic reticulum stress signal molecule. The myricetin derivative has excellent water solubility, and has biological activity in significant inhibition of colitis, prevention and treatment of colitis tumorigenesis, and treatment of colorectal cancer. The preparing method of the myricetin derivative uses a cheap and available myricetrin as the starting material. The method has a low cost and provides a high yield and high product purity. The present invention can be used to achieve large scale industrial production, and has remarkable market value and promising economic prospect.

Voltage divider temperature on-line monitoring device and monitoring method

The invention discloses a voltage divider temperature on-line monitoring device and monitoring method. The temperature monitoring device is mainly composed of a broadband light source, a coupler, a fiber grating, a polarizer, a phase modulation type temperature sensor, a reflector, a polarization analyzer and a temperature monitoring device. Through the wavelength selection effect of the grating and the thermo-optical conversion of the phase modulation type temperature sensor, the distributed online temperature monitoring of the resistance cylinder in the DC voltage divider is realized. The system has the characteristics of strong anti-electromagnetic interference capability, high measurement precision, intrinsic explosion-proof insulation, distributed measurement and the like.

Pressurized sediment settling velocity measuring device

The invention relates to the technical field of sediment sedimentation, and discloses a pressurized sediment sedimentation velocity measuring device which comprises an outer wheel, a support and a cylindrical water tank. A metal outer hoop is arranged on the outer side of the cylindrical water tank, a sealing cover is arranged above the cylindrical water tank, a piston is arranged at the position, close to a top cover, in the cylindrical water tank, the piston is provided with water stop rubber, a vent hole and a ventilation valve, a rotating device is arranged above the piston, and a pressure gauge is arranged at the bottom of the cylindrical water tank. And a metal outer hoop is arranged outside the cylindrical water tank. The device is good in sealing performance; a direct inflation method is not adopted for pressurization, and a piston is used for compressing water for pressurization.

Pressure-bearing heat exchange device capable of preventing leakage and blockage

The invention relates to the technical field of heat exchange, and discloses an anti-leakage and anti-blocking pressure-bearing heat exchange device which comprises a heat exchange tube body, a supporting plate is arranged on the heat exchange tube body, a false tube is arranged at one end of the heat exchange tube body, and supporting square steel is arranged on the periphery of the heat exchange tube body; the scavenging air valve is mounted at one end, provided with the false tube, of the heat exchange tube body; the water tank is arranged at the other end of the heat exchange tube body; and the leakage and blockage preventing mechanism is arranged between the heat exchange tube body and the water tank, and the leakage and blockage preventing mechanism is used for isolating flue gas from the water tank. Through the arrangement of the scavenging valve, the water tank and the anti-leakage blocking mechanism, the service life of the heat exchange pipe is effectively prolonged, meanwhile ...

Tire mold air sleeve inlaying device

The invention discloses a tire mold air sleeve inlaying device which comprises a mold pattern block, a first supporting table and a second supporting table. The position of the manipulator is movable, and the manipulator is provided with a bushing power head which is used for pressing the air hole sleeve into an air hole to be inlaid in the mold pattern block; the visual camera is used for scanning the mold pattern block and transmitting position data of an air hole to be inlaid in the mold pattern block to the manipulator; and the sleeve feeding pipe is connected with the air sleeve storage box and the bushing power head so as to convey the air hole sleeve in the air sleeve storage box to the bushing power head. By means of the tire mold air sleeve inlaying device, the air hole sleeve inlaying efficiency and the surface quality of the inlayed air hole sleeve are improved.

PREPARATION METHOD FOR EUTECTIC HYDRATE CRYSTAL FORM II OF AHU-377 AND DIOVAN TRISODIUM SALT

Disclosed is a preparation method for a eutectic hydrate crystal form II of AHU-377 and diovan trisodium salt, comprising: firstly, obtaining a clear solution of an AHU-377 and diovan trisodium salt compound, a solvent of the clear solution consisting of an anti-solvent and an n-solvent of a target product crystal form II, and the boiling point of the n-solvent being lower than that of the anti-solvent; secondly, removing the n-solvent and water from a system by evaporation under closed conditions; and finally, selectively adding a seed crystal of the crystal form II, and additionally adding a mixture of water and a carrier solvent to perform stirring crystallization. The method in the present invention can prepare a crystal form II, and has a stable and controllable technological process. The prepared crystal form II product is high in chemical purity, crystal form purity and fluidity, the process can be amplified, and demands for large-scale production are met.

INTELLIGENT CLOUD GATEWAY, AUTOMOBILE DIGITAL DETECTION SYSTEM, AND DATA PROCESSING METHOD

The present invention relates to the technical field of cloud computation, and in particular to an intelligent cloud gateway, an automobile diagnosis device, an automobile digital detection system, and a data processing method. The intelligent cloud gateway comprises: a wireless sensing device, a microprocessor, and a cloud transmission module; the wireless sensing device is used for obtaining at least two types of automobile detection data collected by a detection device, each type of data in the at least two types of automobile detection data is related to a vehicle identification code of a same vehicle; and the microprocessor is used for processing the at least two types of automobile detection data, and uploading the processed at least two types of automobile detection data to a device management platform by means of the cloud transmission module, so that the device management platform provides automobile service services for the same vehicle according to the automobile detection data ...

Tobacco plant is with smearing cigarette wooden fork instrument

... 本实用新型公开了一种烟草植株用抹烟杈工具，包括两个半圆轨和切割板，半圆轨的外侧固定设置有指环，指环的外壁与半圆轨的外壁相切，其中，切割板的两端与半圆轨之间固定连接，切割板与半圆轨围成的空间内设置有药囊，药囊呈半圆形，药囊的一侧一体成型的设置有凹槽，切割板嵌入到药囊的凹槽内，药囊的另一侧与半圆轨的内侧壁粘接固定，凹槽的两侧设置有坡面，坡面上设置有若干透孔，透孔、坡面与药囊在制造时一体成型。本实用新型结构简单，使用方便，降低操作人员劳动强度，保护操作人员手部，且避免抹烟杈后创口感染。 ...

Heterojunction battery and preparation method thereof

The invention relates to the technical field of preparation of solar cells, and particularly provides a heterojunction cell and a preparation method thereof. The preparation method of the heterojunction battery comprises the following steps: providing a semiconductor substrate layer which comprises a first surface and a second surface which are opposite to each other; performing texturing treatment on the first surface and the second surface of the semiconductor substrate layer to enable the first surface and the second surface to be textured; forming a patterned mask on the second surface of the semiconductor substrate layer, wherein the patterned mask covers part of the textured surface of the second surface; carrying out polishing treatment on an area, which is not covered by the graphical mask, of the second surface of the semiconductor substrate layer; and removing the patterned mask to form the semiconductor substrate layer with the first surface being a full suede surface and the ...

SIGNAL ADJUSTMENT CIRCUIT AND METHOD, AND DISPLAY APPARATUS

A signal adjustment circuit, comprising: a recognition circuit, configured so as to acquire transmitted row data, and recognize a type of each data; an analysis circuit, the analysis circuit being connected to the recognition circuit and configured so as to analyze a row data type according to a type of each data, acquiring a standard output magnitude corresponding to each row data type, and generating an adjustment instruction; an adjustment circuit, the adjustment circuit being connected to the analysis circuit and configured so as to adjust a signal transfer magnitude of output data according to the adjustment instruction.

Material of preventing segregation flows adjusting device

... 本实用新型提出一种防偏析的料流调节装置，该装置包括箱体、驱动装置、导向装置和料口装置，料口装置包括上衬板和下衬板，上衬板与箱体内壁相连，其上开有数个上出料口，下衬板上开有数个下出料口，驱动装置与下衬板相连，导向装置安设于箱体左右两侧的内壁上与下衬板相配置。本实用新型结构简单、操作方便、有效防止料流偏析。 ...

Method for evaluating anti-overturning capability of ballastless track gravity type road shoulder retaining wall under rock foundation

The invention discloses a method for evaluating the anti-overturning capacity of a ballastless track gravity type road shoulder retaining wall under a rock foundation. The method comprises the following steps: S1, obtaining supporting embankment parameters of the gravity type retaining wall; s2, calculating an anti-overturning stability coefficient of the retaining wall; s3, calculating an anti-overturning stability coefficient limit value of the retaining wall; and S4, comparing the anti-overturning stability coefficient of the retaining wall with the anti-overturning stability coefficient limit value, and evaluating the anti-overturning capability of the retaining wall. According to the method, ballastless track subgrade surface dynamic deformation under the gravity type shoulder retaining wall supporting condition can be controlled easily, the train running state is improved, long-term stability of the subgrade under the train load effect is guaranteed, the related retaining wall anti-overturning ...

CIRCUIT-BREAKER TEMPERATURE ACQUISITION DEVICE

Provided is a circuit-breaker temperature acquisition device, comprising a sensor (1), a current transformer (2), and a busbar (3); said current transformer (2) is provided with a mounting through-hole (210) used for mounting the busbar (3); the busbar (3) is arranged to pass through the mounting through-hole (210). The sensor (1) is mounted inside the current transformer (2) and arranged opposite to the busbar (3) in the mounting through-hole (210); the current transformer (2) is provided with a contact tab (4); said contact tab (4) is connected to both the sensor (1) in the current transformer (2) and the busbar (3) in the mounting through-hole (210); the sensor (1) acquires the temperature on the busbar (3) by means of the contact tab (4). Provided is a circuit-breaker temperature acquisition device that measures accurately, is simple to install, and has stability in operation.

SWITCHING METHOD AND TERMINAL AMONG MULTIPLE SYSTEMS

A switching method and terminal among multiple systems. The method is applied to the terminal. The terminal comprises at least one first operating system and second operating system. The method comprises: receiving a starting instruction for a shortcut icon of an application program on the first operating system; inquiring the operating system for installing the application program according to a stored correspondence between the application program and the operating system, the operating system being one of the at least one first operating system and second operating system (S102); and switching to the inquired first operating system or second operating system according to an inquiry result to execute the operation on the application program (S103). Also disclosed is a corresponding terminal. By adopting the technical solution of the switching method and terminal among multiple systems, the automatic switching among multiple systems can be realized, the user operation is facilitated, and ...

Method and device for manufacturing long-period fiber grating

The invention discloses a manufacturing method and device of a long-period fiber grating. The manufacturing method of the long-period fiber bragg grating comprises the following steps: spraying a periodically spaced coating material (5) on an optical fiber; the coating material (5) is dried and cured, and stress can be applied to the optical fiber after the coating material (5) is dried.

Underwater multi-robot obstacle avoidance device and method under communication connectivity keeping constraint

The invention discloses an underwater multi-robot obstacle avoidance device and method under a communication connectivity keeping constraint, and belongs to the field of underwater multi-robot cluster system control, the device comprises an underwater robot main body, an underwater sound wireless communication device and a binocular vision obstacle avoidance device; the method comprises the following steps: firstly, deploying a plurality of underwater robots to a cruise area, acquiring underwater environment images in real time by the underwater robots through a binocular camera, calculating an obstacle parallax angle through the images, and judging whether the obstacle parallax angle is greater than an obstacle avoidance threshold value or not; then the robot determines the communication distance between the robot and other robots through an underwater sound wireless communication module in a broadcast mode, and a communication gravitation function is designed through the communication ...

MYRICETIN DERIVATIVE AND PREPARING METHOD THEREOF, AND APPLICATION OF SAME FOR TREATING COLITIS, PREVENTING AND TREATING COLITIS TUMORIGENESIS, AND TREATING COLORECTAL CANCER

Provided are a myricetin derivative, a preparing method and pharmaceutical composition thereof, an application of same in treating colitis, preventing and treating colitis tumorigenesis, and treating colorectal cancer, and a use of same in preparing a composition for regulating an activity of an endoplasmic reticulum stress signal molecule. The myricetin derivative has excellent water solubility, and has biological activity in significant inhibition of colitis, prevention and treatment of colitis tumorigenesis, and treatment of colorectal cancer. The preparing method of the myricetin derivative uses a cheap and available myricetrin as the starting material. The method has a low cost and provides a high yield and high product purity. The present invention can be used to achieve large scale industrial production, and has remarkable market value and promising economic prospect.

Swing saw under arthroscope

The invention discloses a swing saw under an arthroscope, which is used in an arthroscope operation, and comprises a saw blade which comprises a saw blade head end and a saw blade tail end, the saw blade head end is hinged with the saw blade tail end, and the included angle between the saw blade head end and the saw blade tail end can be adjusted so as to increase the cutting range of the saw blade; a power source is arranged in the supporting part and provides power for swinging of the saw blade; one end of the transmission part is inserted into the supporting part and connected with a power source, and the other end of the transmission part is located outside the supporting part and detachably connected with the tail end of the saw blade; the transmission part transmits power of the power source to the saw blade and enables the saw blade to do reciprocating rectilinear motion parallel to the tooth-shaped face. Compared with an existing swing saw, the swing saw has the advantages that ...

HYBRID POWER DRIVE SYSTEM

A hybrid power drive system (10), comprising an engine (11), a first motor (13), a second motor (17), a planetary gear apparatus, a clutch gear apparatus, and a switch apparatus. The engine (11) and the first motor (13) are connected to the planetary gear apparatus. The clutch gear apparatus is provided between the engine (11) and the first motor (13). The planetary gear apparatus comprises a first rotating component, a second rotating component, and a third rotating component. The third rotating component is provided with a rotating wheel shaft (127). The first motor (13) is connected to the third rotating component or the rotating wheel shaft (127). The clutch gear apparatus comprises a first clutch (141) and a second clutch (142). The first clutch (141) is connected to the engine (11) and to the rotating wheel shaft (127). The second clutch (142) is connected to the first rotating component and to the third rotating component, or, the second clutch (142) is connected to the second rotating ...

Tire mold roundness detection tool

The invention is suitable for the technical field of tire mold detection, and provides a tire mold roundness detection tool which comprises a tool table, a detection disc, a bearing assembly and a detection assembly. The bearing assembly comprises two bearing plates which are symmetrically distributed based on the center of the top surface of the tool table, and a tire mold to be detected is erected on the two bearing plates; a plurality of supporting columns are arranged at the top of the tool table, the detection disc is fixedly erected on the periphery of a tire mold to be detected through the supporting columns, a groove is formed in the top of the detection disc, and a plurality of limiting gear teeth are arranged in the groove in a surrounding mode; therefore, through the cooperation of the detection assembly and the detection disc, the roundness of the to-be-detected tire mold can be detected, and the position of the unqualified part of the roundness of the to-be-detected tire mold ...

Data processing method and device, equipment and storage medium

The invention provides a data processing method and device, equipment and a storage medium, and can be applied to the technical field of computers and the field of finance. The method comprises the following steps: determining a first target process suitable for processing batch data from a plurality of initial processes in an idle state according to currently obtained data computing power consumption attribute information of the batch data; determining candidate object identifiers associated with the batch data according to the first target process; under the condition that an object state identifier associated with the candidate object identifier is a first state identifier, the candidate object is determined as a target object, and the first state identifier represents that the candidate object is in a to-be-processed state; determining a transaction result calculation task according to target transaction data corresponding to the target object in the batch data; and executing the transaction ...

Integrated water surface garbage treatment system based on unmanned aerial vehicle investigation and treatment method thereof

The invention relates to an integrated water surface garbage treatment system and method based on unmanned aerial vehicle investigation, and the system comprises an image collection module which obtains a water area image through unmanned aerial vehicle equipment; the image processing module is used for determining a target water area containing the garbage to be cleaned by analyzing the water area image; the garbage cleaning device is operably attached to the steering engine and can execute actions related to garbage cleaning based on the determined target water area, and the garbage cleaning device comprises a base station; a guide arm rotatably coupled to the front end of the base and capable of forming a variable guide area at the front end of the base; the conveying platform is arranged on the top surface of the base table in a manner of inclining relative to the base table, and is used for delivering the to-be-cleaned garbage from the guide area; the compression cabin is coupled to ...

STACHYDRINE DERIVATIVE, PREPARATION METHOD THEREFOR, AND APPLICATIONS THEREOF IN PREPARATION OF DRUGS FOR TREATING CARDIOVASCULAR AND CEREBROVASCULAR DISEASES

The present invention provides a stachydrine derivative, a preparation method therefor, and applications thereof in the preparation of drugs for treating cardiovascular and cerebrovascular diseases. The stachydrine derivative is a component represented by formula (I), or a stereoisomer thereof or a pharmaceutically-acceptable salt form thereof. The synthesis method for the stachydrine derivative comprises: enabling Lproline and formaldehyde to have a hydrogenation reaction under the action of a catalyst to prepare N-methyl-L-proline; and enabling the N-methyl-L-proline and H-X-R1 to have a condensation reaction under the action of dicyclohexylcarbodiimide to prepare the component represented by formula (I). Proved by pharmacological experiments in the present invention, the stachydrine derivative provided in the present invention has the effect for protecting nerves, and has the effect for treating cardiovascular and cerebrovascular diseases. The present invention also provides applications ...

OVER-CURRENT PROTECTION CIRCUIT AND DISPLAY DEVICE

An over-current protection circuit, comprising a main control circuit (10), a current detection circuit (20), and a time-delay circuit (30). The main control circuit (10) is connected to an input terminal (VIN) and an output terminal (VOUT), and is configured to convert a low potential logic signal input by the input terminal (VIN) into a high potential driving signal and output same by means of the output terminal (VOUT); the current detection circuit (20) is connected to the main control circuit (10) and the output terminal (VOUT), and is configured to detect an output current of the output terminal (VOUT); the time-delay circuit (30) is connected to the current detection circuit (20) and the main control circuit (10), and is configured to set the time when the current detection circuit (20) transmits the output current to the main control circuit (10); the main control circuit (10) is further configured to calculate an effective value of the output current (VOUT), so as to control, according ...

Battery screening method and device, electronic equipment and storage medium

The invention provides a battery screening method and device, electronic equipment and a non-transient computer readable storage medium. The battery screening method comprises the following steps: acquiring a first internal resistance value of each battery in a battery pack; sorting the battery pack for the first time based on the first internal resistance value; pre-charging each battery in the battery pack, and obtaining pre-charging duration and a voltage value, a second internal resistance value and a capacity value of the pre-charged battery; and based on the voltage value, the second internal resistance value, the capacity value and the pre-charging duration, carrying out secondary sorting treatment on the battery pack. According to the battery screening method, the multiple batteries in the battery pack are sorted for the first time and the second time, the multiple batteries are classified, the batteries meeting the use requirements are classified and combined for use, and the batteries ...

AHU377 CRYSTAL FORMS, AND PREPARATION METHOD THEREFOR AND USE THEREOF

The present invention relates to AHU377 crystal forms, and a preparation method therefor and the use thereof. Provided are AHU377 crystal forms III and IV, and the crystal forms III and IV have a good stability, a low hygroscopicity, a high impurity removal capacity, and a good purifying effect, and have a very high economic value.

TERMINAL UPGRADE METHOD AND DEVICE

Provided are a terminal upgrade method and device. The method comprises: in the case where a terminal is in a normal running state and a user triggers system upgrade, determining a target system that needs to be upgraded currently in at least two systems and a target upgrade package corresponding to the target system; re-starting the terminal and entering a system upgrade mode of the target system; and according to the target upgrade package in the system upgrade mode, respectively upgrading an independent starting mirror image file, an independent system upgrade mirror image file and an independent system mirror image file in the target system. In the present application, overall upgrade packages of all original systems are segmented, so that each system has its own independent upgrade package, and in this way, all systems are independent from each other, and hence during system upgrade, each system can be upgraded independently without performing overall package upgrade of all the systems ...

HYBRID COUPLING MECHANISM AND AUTOMOBILE

A hybrid coupling mechanism and an automobile. The hybrid coupling mechanism comprises an engine (1), a first output shaft (2), a generator (3), a driving motor (4) and a differential (5); a rotation shaft (11) of the engine (1) is connected to an input shaft (31) of the generator (3) by means of the first output shaft (2), and an input shaft (41) of the driving motor (4) is connected to the differential (5) in a speed reduction manner by means of a planetary gear set (7); and the automobile comprises a power storage battery, a motor controller and the hybrid coupling mechanism. The present invention solves the problems of high cost and of power interruption during mode switching of a hybrid coupling mechanism of an existing automobile; the engine (1) and the generator (3) operate in a range extending mode, and the driving motor (4) inputs power to the differential (5) after speed reduction by means of the planetary gear set (7), thereby simplifying the structure and achieving a large transmission ...

PLASMA PROCESSING APPARATUS

A plasma processing apparatus includes a chamber (20) and a target (25) on the chamber (20). The surface of the target (25) is contacted with the processing area of the chamber (20). The chamber (20) includes an insulating sub-chamber (21) and a first conduction sub-chamber (22), which are superposed. The first conduction sub-chamber (22) is provided under the insulating sub-chamber (21). The insulating sub-chamber (21) is made of insulating material, and the first conduction sub-chamber (22) is made of metal material. A Faraday shield component (10) which is made of metal material or insulating material electroplated with conductive coatings and includes at least one slit is provided in the insulating sub-chamber (21). An inductance coil (13) surrounds the exterior of the insulating sub-chamber (21). The problem about the wafer contamination due to particles formed in the surface of the coil during the sputtering process can be resolved by using the plasma processing apparatus.

Birds poultry health care growth lamp

... 本实用新型提供了一种应用于动物养殖中的禽畜保健生长灯，它采用电弧管装置进行发光，且在发光过程中具有发光效率高、显色性高等特点。它包括灯座、灯罩、针式触头、吸气片、电弧管、镍丝支架。灯座的下部设有两根针式触头，灯座的上部连接有灯罩；针式触头贯穿灯座后通往灯罩内；电弧管设置在灯罩内，电弧管的一端通过镍丝支架连接到其中一根针式触头，另设一根连接到另一针式触头的镍丝支架，该镍丝支架与电弧管平行而设且上端部通过横向的拐头连接到电弧管的另一端；所述的镍丝支架上设有吸气片。由电弧管纳米级的氧化铝粉制成，内部组织结构细密，耐高温，故障率低；发光效率高。 ...

Multi-agent cooperative satellite edge computing unloading and resource allocation method

The invention discloses a multi-agent cooperative satellite edge computing unloading and resource allocation method, and relates to the technical field of satellite communication and edge computing. In order to optimize resource allocation under an unloading strategy, each device can independently generate an unloading decision of a task on the premise of not knowing priori knowledge of other devices. And after a task unloading decision is obtained, optimal resource allocation is obtained based on a Lagrange method. Experimental results show that the algorithm can better adapt to channel condition changes and the processing capacity of edge nodes, and the task delay and the task discarding rate can be effectively reduced.

Hydraulic power transmission line strain double-string insulator replacement matching device and hydraulic power transmission line strain double-string insulator replacement matching method

The invention discloses a hydraulic power transmission line tension double-string insulator replacement matching device which is characterized in that a power transmission line tension double-string insulator is composed of two parallel insulator strings, and the two ends of each insulator string are connected to an insulator string tensioning yoke plate of a power transmission line; the power transmission line tension insulator replacing device comprises a connecting pipe, a tensioning fine tuning device, an insulator string bearing assembly, a hydraulic tensioning assistor and a yoke plate assembly which are connected in series to form a chain type tensioning mechanism. The two ends of the chain type tensioning mechanism are connected with the insulator string tensioning yoke plates corresponding to the two ends of the insulator string respectively, and the insulator string bearing assembly is arranged on the connecting pipe and used for bearing the insulator string. The invention further ...

Bottom atmosphere and ionized layer coupling anomaly detection system and method

The invention provides a bottom atmosphere and ionized layer coupling anomaly detection system and method. The method is mainly used for detecting the small-scale response of the ionized layer to the underlying atmosphere. The method comprises the following steps of: selecting a calm historical moment, acquiring an ionized layer related electron content sequence by using a GNSS (Global Navigation Satellite System) means, applying an acquired abnormal propagation speed to grid search of a disturbance trigger source by using a first abnormal starting time and a corresponding ionized layer puncture point coordinate to obtain a trigger source position of ionized layer disturbance, and constructing a full-connection deep neural network. And sending the abnormal propagation speed, the abnormal trigger source position information and the weather type of the real-time atmospheric abnormal event to a user terminal for real-time early warning.

CONTROL CIRCUIT AND DISPLAY DEVICE

A control circuit and a display device. In the control circuit, a detection end of a voltage detection circuit (10) is connected to a power supply (50), and an output end of the voltage detecting circuit (10) is connected to an input end of a main controller (20); an output end of the main controller (20) is connected to a first input end of a pulse generation circuit (30), and a second input end of the pulse generation circuit (30) is connected to a voltage signal output end of the voltage generation circuit (40); an output end of the pulse generation circuit (30) is connected to a signal input end of the voltage generation circuit (40), and a power input end of the voltage generation circuit (40) is connected to the power supply (50).

DISPLAY PANEL CROSS-VOLTAGE COMPENSATION METHOD, DISPLAY PANEL AND DISPLAY DEVICE

Provided are a cross-voltage compensation method of a display panel, the display panel and a display device. The cross-voltage compensation method comprises the steps: after a last scanning line of a current frame is scanned and before starting a first scanning line of a next frame, transmitting a preset voltage signal to an in-plane data line (S11); and while transmitting the preset voltage signal to the in-plane data line, keeping all scanning lines in a closed state (S12). There is a V-blank time before starting the first scanning line of the next frame after scanning the last scanning line of the current frame, during which all scanning lines are kept in a closed state.

Baseline length constrained Beidou high-precision relative positioning method

The invention provides a base line length constrained Beidou high-precision relative positioning method, which comprises the following steps of: 1, establishing a double-difference relative positioning model by utilizing pseudo-range and carrier phase original observed quantity of a reference station and a mobile station; 2, according to a least square criterion, obtaining a strict baseline length constrained objective function based on a double-difference relative positioning model; and a third step of adopting a whole cycle ambiguity search space amplification strategy to realize effective search of ambiguity, and accurately estimating position information of the mobile station relative to the reference station on the basis. According to the method disclosed by the invention, the resolving effect of relative positioning is improved by utilizing the length information of the double-antenna base line which is generally not fully utilized in an actual scene, and compared with the traditional ...

Three-vacuum-tube transition circuit of converter transformer on-load tap-changer and voltage regulating method

The invention discloses a three-vacuum-tube transition circuit of a converter transformer on-load tap-changer and a voltage regulating method. The three-vacuum-tube transition circuit comprises a first vacuum tube, a second vacuum tube, a third vacuum tube, a first change-over switch, a second change-over switch and a transition resistor, the first main contact, one end of the first vacuum tube and a first static contact of the second change-over switch are connected with a first winding tap of a voltage regulating winding of the transformer; one end of the second main contact, one end of the third vacuum tube and a second static contact of the second change-over switch are all connected with a second winding tap of the voltage regulating winding of the transformer; and one end of the second vacuum tube is connected with a moving contact of the second change-over switch. The three vacuum tubes are adopted, in the reciprocating switching process, the second vacuum tube undertakes the task ...

CURRENT LIMITING CIRCUIT AND DISPLAY DEVICE

A current limiting circuit (100), comprising a switching circuit (10) and a voltage stabilizing circuit (20). The switching circuit (10) is separately connected to a voltage input end VIN and a voltage output end VOUT, and used for transmitting an input voltage to the voltage output end VOUT from the voltage input end VIN; and the voltage stabilizing circuit (20) is separately connected to the switching circuit (10), the voltage input end VIN, and the voltage output end VOUT, used for controlling an output current to reduce together with the switching circuit (10) when the output current of the voltage output end VOUT is increased and the output current is less than a preset output current, and further used for controlling the output current to be zero together with the switching circuit (10) when the output current of the voltage output end VOUT is greater than or equal to the preset output current.

MULTI-SYSTEM SYSTEM SWITCHING METHOD AND APPARATUS

The present invention is applicable to the technical field of communications. Provided are a multi-system system switching method and apparatus. The method comprises: a detection step: detecting an operation of triggering a time interval between at least two pre-set keys disposed on the surface of a terminal to be within a time threshold; and a switching step: switching the terminal from a currently-running first operating system to a second operating system. Thus, the present invention improves the convenience in multi-system system switching.

Tobacco plant is with device of pinching

... 本实用新型公开了一种烟草植株用打顶装置，包括旋轴和两组剪刀头、剪刀臂，剪刀臂的端部固定设置有剪刀头，两组剪刀臂的上端通过旋轴轴连接，剪刀臂的下端设置有护手，其中，旋轴的一侧设置有液壶，液壶的底部与旋轴之间螺纹连接，液壶的下部设置有装备仓，装备仓内固定有电池箱和泵箱，电池箱与泵箱之间电连接，液壶上部的侧壁插合连接有鹅颈管，鹅颈管的端部固定有喷头，泵箱用于将液壶内的液体压入鹅颈管并顺喷头喷出。本实用新型结构简单，使用方便，打顶同时进行创口处理。 ...

Construction method for extremely thick plain concrete cushion layer of ground-mounted LNG (Liquefied Natural Gas) storage tank

The invention provides a construction method for an extremely thick plain concrete cushion layer of a ground type LNG storage tank. The construction method comprises the steps that S1, pouring subareas of the plain concrete cushion layer are designed; s2, vertical column holes are formed in the outer boundary of the plain concrete cushion layer; s3, a pouring operation platform is erected; s4, vertical construction joints are formed in the boundary lines of the pouring subareas; s5, setting a cushion layer pouring elevation control line; s6, plain concrete cushion layers are poured in different areas; s7, surface treatment of the plain concrete cushion layer; s8, maintaining the plain concrete cushion layer; s9, the pouring operation platform and the working pedal are dismantled; and S10, the PVC pipe is sealed. The construction operation platform is arranged in the pouring area, so that the problem that personnel do not have construction operation conditions for pouring, vibrating, trowelling ...