烛台摆件（芭蕾人）

挖掘机

Plasma cutting machine and plasma cutting system

The invention relates to the field of machining, in particular to a plasma cutting machine and a plasma cutting system. The plasma cutting machine is used for cutting a to-be-cut piece, and the plasma cutting machine comprises an auxiliary component and a gun head; specifically, the auxiliary component is provided with a rolling part which can slide on the surface of a to-be-cut piece; specifically, the gun head is arranged on the auxiliary component, that is, when the rolling part rolls in the first direction, the rolling part can serve as a source of driving force so as to assist in driving the gun head to move in the first direction as well, and then it is guaranteed that the gun head can conduct cutting on the surface with a long piece to be cut and can conduct cutting in the linear direction all the time; and the cutting effect is ensured.

Shell one-time forming forging and pressing method

The invention discloses a shell forging and pressing method. An upper die base, a lower die base and an aluminum alloy plate which are used in cooperation are included. An upper die punch is arranged on the lower end face of the upper die base, an upper pressing convex face is arranged on the lower end face of the upper die punch, and the area of the upper pressing convex face is smaller than the bottom area of the upper die punch. The upper die base is provided with an upper die punch, the lower die base is provided with a press fit position matched with the upper die punch, the press fit position is matched with the aluminum alloy plate in shape and size, a lower die punch is arranged in the press fit position, the lower die punch is provided with a lower press fit convex surface, the area of the lower press fit convex surface is smaller than the bottom area of the lower die punch, and the lower press fit convex surface corresponds to the upper press fit convex surface. During die assembly ...

酒瓶

绝缘接头

Self-calibration device of Rogowski coil type current sensor

The invention provides a self-calibration device for a Rogowski coil type current sensor, and the device comprises a body which is used for detecting a current signal; the shielding shell covers the body, and a plurality of points with the same size are distributed on the outer surface of the shielding shell at equal intervals up and down; the current source is electrically connected with the point through a cable, and the current source is used for injecting current into the shielding shell through the cable; and the test terminal is used for acquiring the gain of the Rogowski coil type current sensor after the current is injected, and performing self-calibration of the Rogowski coil type current sensor according to the gain. The test signal of the current source is injected into the shielding shell of the current sensor through multiple cables, so that the current sensor enters an online test state, the influence of the cable position on the sensor measurement signal is overcome, the ...

Video detection method and related product

The invention belongs to the technical field of computers, and particularly relates to a video detection method, a video detection device, a computer readable medium, electronic equipment and a computer program product. The method comprises the following steps: acquiring an exposure compensation sequence, wherein the exposure compensation sequence comprises at least two exposure compensation values which are arranged in sequence; acquiring an image frame sequence obtained by performing video acquisition according to the exposure compensation sequence; and performing matching detection on the exposure compensation sequence and the image frame sequence so as to determine whether the image frame sequence is a really acquired video image or not according to a matching detection result. According to the method, attack modes such as camera hijacking or malicious injection of the synthetic video can be effectively detected, and the accuracy and safety of video detection are improved.

Iron-cobalt alloy nitrogen-doped carbon catalyst with lamellar structure and preparation method of iron-cobalt alloy nitrogen-doped carbon catalyst

The invention discloses a FeCo-coated NC catalyst with a lamellar structure and a preparation method thereof, the catalyst is formed by uniformly embedding FeCo alloy with the particle size of 2-10nm into strip-shaped lamellar structure nitrogen-doped carbon fiber with the length of 2-20mu m, and the catalyst comprises the following components in percentage by mass: 10-20% of Fe, 50-70% of Co, 10-25% of C and 1-5% of N. The preparation method comprises the following steps: (1) preparing a precursor through mutual coordination and coordination of Co, Fe and 2-methylimidazole in N, N-dimethylformamide; (2) introducing polyacrylonitrile in situ as a phase inversion coating agent; (3) soaking a fibrous material in the precursor and drying; and (4) converting the precursor into the FeCo-coated NC catalyst with the lamellar structure under the atmosphere of N2 by virtue of the confinement pyrolysis action of the PAN coating layer by utilizing a thermal driving method. The catalytic degradation ...

Design method of 3D printing ceramic conformal mold

The invention discloses a design method for a 3D printing ceramic conformal mold. The design method specifically comprises the following steps that S1, three-dimensional model data of a part is obtained; s2, building a block body; s3, a concave block body is obtained; s4, carrying out honeycomb structuring on the concave block body; s5, a shape follow-up mold three-dimensional drawing is obtained; s6, a shape follow-up mold green body is prepared; s7, a layer of coarse ceramic powder is coated on the concave surface of the conformal mold green body; s8, the ceramic part green body subjected to photocuring 3D printing is placed on the shape follow-up mold green body; s9, degreasing and sintering; s10, cooling to room temperature and then taking out; and S11, the sintered ceramic part and the conformal mold are separated, and the sintered ceramic part is obtained. The invention relates to the technical field of ceramic molds. According to the design method of the 3D printing ceramic follow-up ...

Coupling agent self-brushing ultrasonic probe based on mechanical arm

The invention discloses a coupling agent self-brushing ultrasonic probe based on a mechanical arm, and belongs to the technical field of medical instruments, the coupling agent self-brushing ultrasonic probe comprises a base station, the surface of the base station is connected with the mechanical arm used for controlling a probe control mechanism to rotate and adjust an angle, and the mechanical arm is connected with an electric telescopic rod used for controlling the probe control mechanism to stretch and adjust a position. The ultrasonic probe has the beneficial effects that through the structural arrangement of the probe fixing mechanism, the coupling agent brushing driving mechanism and the coupling agent brushing mechanism, in the application process of the ultrasonic probe, the surface of the ultrasonic probe can be automatically brushed with a coupling agent at regular intervals through the coupling agent brushing mechanism, the working intensity and operation procedures of medical ...

AIR CHANNEL ASSEMBLY AND WARM AIR BLOWER

An air channel assembly (100), comprising: a volute (10); a volute tongue (30), arranged in the volute (10) and forming an air channel (70) together with the volute (10), an air inlet (71) and an air outlet (73) being formed in the air channel (70); and a throughflow wind wheel (50), arranged in the air channel (70) so as to lead airflow to the air channel (70) from the air inlet (71) and blow the airflow in the air channel (70) out of the air outlet (73). The volute (10) comprises a first volute tongue part (11), the volute tongue (30) comprises a second volute tongue part (31), and the first volute tongue part (11) and the second volute tongue part (31) are located on both sides of the air inlet (71) respectively; and on the same cross section, an included angle A between a connecting line from the root M of the first volute tongue part (11) to the axis O of the throughflow wind wheel (50) and a connecting line from the root N of the second volute tongue part (31) to the axis O of the ...

BIOCHEMICAL METHOD FOR TREATING SYNTHETIC LEATHER WASTEWATER COMPRISING DIMETHYLFORMAMIDE

Disclosed is a biochemical method for treating synthetic leather wastewater comprising dimethylformamide. The present invention relates to the field of wastewater treatment. The biochemical method comprises the following steps: introducing to-be-treated synthetic leather wastewater into a new membrane bioreactor with an aerobic sludge-anaerobic packing structure, the new membrane bioreactor comprising an aerobic zone and an anaerobic zone; firstly enabling the to-be-treated synthetic leather wastewater to enter the aerobic zone in which specifically domesticated activated sludge with nitrifying bacteria as a dominant bacterial community is used, controlling the sludge return ratio of the aerobic zone to 100 to 300%, and adjusting the pH value of the aerobic zone to 8 to 9; enabling the synthetic leather wastewater treated in the aerobic zone to enter the anaerobic zone which is filled with a suspended filler and has a volumetric ratio of 30 to 60%; and discharging the synthetic leather ...

酒包装套件

Filter

... 本实用新型公开了过滤器，包括壳体、盖板和上盖，壳体为上表面开口的空心罐体，上盖的尺寸与壳体的上表面的尺寸相匹配，壳体和上盖的一端通过铰链连接，壳体和上盖之间设有数个紧固装置，壳体的上端内部四周设有连接板，连接板上设有凸柱，盖板位于壳体内部上端，盖板上设有连接孔，连接孔与凸柱相匹配，盖板上设有数个滤袋连接口，每2个所述滤袋连接口之间设有至少1个滤板连接口，滤袋连接口上连接有滤袋，滤板连接口上连接有滤板，壳体外部上端设有进水口，壳体外部下端设有出水口。本实用新型结构简单、功能实用，可有效、快捷地去除杂质净化水，同时可根据需要调整过滤效果。 ...

Extruded sheet pyrography machine and use method thereof

The invention discloses an extruded sheet pyrography machine and a using method thereof. The extruded sheet pyrography machine comprises a rack, an upper-layer pyrography roller assembly and a lower-layer pyrography roller assembly, wherein the upper-layer pyrography roller assembly and the lower-layer pyrography roller assembly are arranged in the rack. The lifting mechanism is arranged, a turbine speed reducer in the lifting mechanism drives the four screw lifting seats to synchronously run, and the screws of the screw lifting seats rotate to regulate and control the lifting of the movable plate and the upper-layer pyrography roller assembly, so that the distance between the two pyrography rollers is adjusted, manual adjustment is not needed, and the device is suitable for extruded sheets with different thicknesses; the specifications of the two pyrography rollers are the same, each pyrography roller is composed of a roller body and a roller sleeve, a threaded oil groove is formed in ...

Non-Hermite topology photonic crystal functional waveguide

The invention provides a non-Hermite topology photonic crystal functional waveguide, which is composed of an inner non-Hermite Kagome photonic crystal and an outer non-Hermite Kagome photonic crystal containing gain-loss dielectric cylinders, and comprises a non-Hermite Kagome photonic crystal (1) with an external topology moderation and a triangular non-Hermite Kagome photonic crystal (2) with an internal topology moderation. On the basis of the non-Hermite Kagome photonic crystal high-order topological insulator model, the non-Hermite topological photonic crystal functional waveguide is constructed, perfect spatial selection of topological angular states is achieved, and the method can be applied to the fields of topological optical storage, optical calculation and the like.

WARM AIR BLOWER CONTROL METHOD AND DEVICE, WARM AIR BLOWER AND STORAGE MEDIUM

A warm air blower control method, comprising: sampling ambient temperature according to a preset cycle (S100); comparing the sampled temperature value to a preset temperature value to obtain a temperature control signal (S200); and adjusting the power of a heating element and the rotation speed of a fan according to the temperature control signal (S300). Also disclosed are a warm air blower, a warm air blower control device and a storage medium.

MECHANISM FOR ADJUSTING SEAT BACK OF STROLLER USING ONE HAND

Disclosed is a mechanism for adjusting a seat back of a stroller using one hand, comprising: a seat back (1), a bottom portion of the seat back (1) configured to be hinged with a stroller body (100) of the stroller; a first adjusting strap (2), one end of the first adjusting strap (2) connected to the stroller body (100) of the stroller; a reversing buckle (3), having an entrance opening (301) for the first adjusting strap (2) to enter and an exit opening (302) for the first adjusting strap (2) to exit, the orientations of the entrance opening (301) and the exit opening (302) intersecting with each other; a second adjusting strap (4), connected to the other end of the first adjusting strap (2) exiting from the exit opening (302); a fastening buckle (5), provided at an upper portion of the seat back (1), wherein the second adjusting strap (4) has an extension part (41) passing through and exiting from the fastening buckle (5); and a tensioner strap (6), one end of the tensioner strap (6) ...

Reverse osmosis-electrodialysis-nanofiltration combined salt separation system and application thereof

The invention discloses a reverse osmosis-electrodialysis-nanofiltration combined salt separation system. The system comprises a wastewater collection pool, a pretreatment system, a filtration system, a reverse osmosis system, a primary nanofiltration system and an evaporative crystallization system A which are sequentially arranged along the flow direction of wastewater, the water producing side of the first-stage nanofiltration system is sequentially connected with an electrodialysis system, a second-stage nanofiltration system and an evaporative crystallization system B; the concentrated water side of the secondary nanofiltration system is connected to the evaporative crystallization system A; the water produced by the reverse osmosis system and the water produced by the electrodialysis system are recycled in a recycled water collecting tank; condensed water of the evaporative crystallization system A and the evaporative crystallization system B returns to the wastewater collection pool ...

METHOD AND SYSTEM FOR TRANSMITTING DATA BETWEEN INTELLIGENT TERMINALS

Disclosed are a method and system for transmitting data between intelligent terminals. The method comprises: a mobile phone information transferring box detects whether a first terminal interface is connected to a first terminal and/or a second terminal interface is connected to a second terminal; if so, a pre-stored terminal side mobile phone information transferring application program is automatically installed on the first terminal and/or the second terminal, and the terminal side mobile phone information transferring application program can interact with a box side mobile phone information transferring application program installed in the mobile phone information transferring box by its own; and under the condition that it is determined that the mobile phone information transferring box is connected to the first terminal and the second terminal at the same time, if the box side mobile phone information transferring application program receives data transmitted from the first terminal ...

METHOD, DEVICE AND APPARATUS FOR ACQUIRING SECURITY STATE OF MOBILE TERMINAL

Disclosed are a method, device and apparatus for acquiring the security state of a mobile terminal, which belong to the field of computers. The method comprises: acquiring state information about key indicators preset by a mobile terminal (101); according to the state information about the key indicators, conducting a security level assessment on each key indicator through assessment policies corresponding to each of the preset key indicators, to obtain a first assessment result (102); and endowing each key indicator with a specific weight value, and according to the weight value of each of the key indicators and the first assessment result of each of the key indicators, conducting an overall level assessment on the overall security state of the mobile terminal, to obtain a second assessment result expressing the overall security state of the mobile terminal (103). The device comprises: an acquisition module (301), a first assessment module (302) and a second assessment module (303). The ...

INFORMATION PROCESSING METHOD AND TERMINAL

Embodiments of the present invention provide an information processing method and a terminal, belonging to the field of computer technologies. The method comprises: receiving information, the information at least comprising a sending party number and/or information content (101); determining whether the information is matched with any one of a combination of preset interception modes (102); and if matched, processing the information according to a processing rule corresponding to the interception mode (103). By matching a sending party number and/or information content of the information with the preset interception mode, the present invention is not limited to the interception manner of only intercepting numbers in a blacklist in the prior art, so as to improve interception accuracy and interception efficiency, and improve user experience.

High temperature resistant filter

... 本实用新型涉及一种耐高温过滤器，包括框体，框体中间设有支撑杆，框体两边设有铰链，铰链内设有把手，框体内安装有滤芯，滤芯上设有波纹形隔板，波纹形隔板之间设有滤纸，波纹形隔板与滤纸背面设有微孔滤纸层。本实用新型具有制作成本低、结构简单、安装便捷性、使用寿命长的优点。 ...

Energy collection system

... 本实用新型一种能量采集装置，属于能量采集装置的技术领域；解决的技术问题为：提供一种成本低、电能转化率高且能持续供电的能量采集装置；采用的技术方案为：一种能量采集装置，包括壳体以及设置在壳体内部的转轮机构，所述转轮机构通过转轴与风车相连，所述转轮机构包括固定杆、支架、转子、转轮和压电陶瓷片，所述压电陶瓷片嵌入在转轮上，所述压电陶瓷片的自由端与转子的凸起端接触连接，所述压电陶瓷片的固定端设置有导线，所述壳体上设置有接线端子，所述导线通过接线端子与外部能量转换电路相连；适用于电力系统。 ...

Centralized quarantine crowd real-time tracking and contact risk prevention and control emergency system

The invention provides a centralized quarantine crowd real-time tracking and contact risk prevention and control emergency system, which uses a CO2 sensor to detect the environmental change of a quarantine point, uses a quarantine personnel trajectory method based on IMU and map information to obtain the position information of quarantine personnel in real time, and combines the quarantine result to determine the contact risk of the quarantine personnel. And analyzing the contact point risk of the quarantine personnel at the quarantine point according to the track information of the quarantine personnel at the quarantine point. According to the technical scheme, the environment information of the quarantine point can be evaluated, the position information of the quarantine personnel in the quarantine point can be analyzed in real time, the contact degree risk of the quarantine personnel in the quarantine process is deduced, tracking investigation after quarantine is completed is facilitated ...

Fault-tolerant time-varying formation tracking control method and system of heterogeneous nonlinear cluster system

The invention discloses a fault-tolerant time-varying formation tracking control method and system for a heterogeneous nonlinear cluster system, and relates to the field of formation tracking control, and the method comprises the steps: constructing a kinetic model of a leader and a kinetic model of a follower according to an actuator fault model of the heterogeneous nonlinear cluster system; constructing a finite time observer according to the kinetic model of the leader; constructing an adaptive robust H-infinity time-varying formation tracking controller according to the formation tracking neighborhood error and the finite time observer; according to the self-adaptive robust H-infinity time-varying formation tracking controller, determining a robust H-infinity time-varying formation control criterion by adopting a Yapunov theory and a linear matrix inequality method; and performing fault-tolerant time-varying formation tracking control on the heterogeneous nonlinear cluster system according ...

Tailing pond safety information management method based on two-dimensional code access data platform

The invention discloses a tailing pond safety information management method based on a two-dimensional code access data platform. The method comprises the following steps: constructing a tailing pond heterogeneous data warehouse; based on a data dynamic fusion technology and a heterogeneous data fusion technology, carrying out architecture design on the heterogeneous data warehouse of the tailings pond, and constructing a three-dimensional dynamic information database; generating a corresponding two-dimensional code for each tailing pond, and accessing the corresponding two-dimensional code to a three-dimensional dynamic information database; and receiving an access demand sent by the mobile terminal, sending the access demand to the three-dimensional dynamic information database for verification, and when the verification is passed, displaying the specific tailing pond safety information. The problems that the information processing efficiency is low due to the fact that the tailing pond ...

SOFTWARE INSTALLATION METHOD, TERMINAL, SYSTEM AND COMPUTER STORAGE MEDIUM

Disclosed is a software installation method, which comprises: receiving a software installation reduction request; downloading a first installation package which only comprises a basic function of the software, the software comprising a first installation package and at least one second installation package which can be installed selectively, and the second installation package comprising an additional function for conducting expanded application of the basic function of the software; and parsing the first installation package to conduct basic function installation. Also disclosed at the same time are a terminal, a software installation system and a corresponding computer storage medium. The solution of the present invention can be applied to save network traffic and storage space.

Real-time dynamic monitoring system and method for power system

The invention relates to the technical field of power system management, and particularly discloses a real-time dynamic monitoring system and method for a power system, and the system comprises a monitoring host which is used for carrying out the real-time monitoring according to equipment information, and carrying out the automatic control. The microcomputer five-prevention work station is used for enabling a worker to check information in real time and outputting a corresponding control instruction; the communication management machine is connected with the monitoring host and the microcomputer five-prevention work station through the network switch and is used for information transmission; and a power distribution protection measurement and control device. According to the invention, current equipment information parameters are judged according to time, power consumption information conditions in different time periods can be displayed, and in combination with fault conditions, the time ...

High-temperature-resistant flame-retardant fabric and preparation method thereof

The invention belongs to the technical field of fabrics, and particularly relates to a high-temperature-resistant flame-retardant fabric and a preparation method thereof.The high-temperature-resistant flame-retardant fabric comprises a basic fabric layer, a high-temperature-resistant layer and a flame-retardant layer; the basic fabric layer is prepared from 10 to 20 parts by weight of aramid fibers, 25 to 35 parts by weight of para-aramid fibers, 5 to 10 parts by weight of aromatic polyamide fibers, 20 to 25 parts by weight of polyethylene glycol terephthalate fibers, 30 to 50 parts by weight of polybenzimidazole fibers and 10 to 30 parts by weight of polylactic acid fibers; the high-temperature-resistant layer comprises 30-50 parts by weight of carbon fibers and 50-70 parts by weight of spandex fibers, the flame-retardant layer comprises 50-80 parts by weight of flame-retardant acrylic fibers and 20-50 parts by weight of flame-retardant viscose fibers, the advantages of all the fibers ...

Blueberry steamed sponge cake and preparation method thereof

The invention relates to a blueberry steamed sponge cake and a preparation method thereof, and relates to the technical field of food processing, the blueberry steamed sponge cake is prepared from the following raw materials by weight: 100-150 parts of blueberry, 0-1050 parts of corn, 150-220 parts of millet flour, 120-180 parts of glutinous rice flour, 120-180 parts of sugar, and 0-100 parts of a water-containing agent; the preparation method comprises the following steps: S1, pulping the blueberries and the corn kernels; s2, adding millet flour, glutinous rice flour and white granulated sugar into the slurry obtained in the S1, uniformly mixing, and performing yeast fermentation; s3, uniformly kneading the dough obtained in the step S2, and dividing the dough into dough; and S4, performing steam fermentation. The composition can promote intestinal tract movement and absorption.

Box body, manufacturing method and manufacturing equipment thereof, battery and power utilization device

The embodiment of the invention provides a box body, a manufacturing method and manufacturing equipment of the box body, a battery and a power utilization device, and belongs to the technical field of battery manufacturing. The first end of the connecting piece is connected with the frame body, the second end of the connecting piece is inserted into a cavity in the end of the reinforcing beam, a glue injection space is formed between the side wall of the connecting piece and the cavity wall of the cavity, a glue injection hole communicated with the glue injection space is formed in the side wall of the reinforcing beam, and adhesive is injected into the glue injection space through the glue injection hole so as to bond the connecting piece and the reinforcing beam. The reinforcing beam and the connecting piece are connected in a gluing mode, the gluing face is large, the stress of the connecting area of the reinforcing beam and the connecting piece can be effectively reduced, extrusion ...

METHOD AND DEVICE FOR PROCESSING CONTACT PERSONS, AND MOBILE TERMINAL

Disclosed are a method and device for processing contact persons, and a mobile terminal, which belong to the technical field of information processing. The method comprises: obtaining a preset ranking policy; according to the preset ranking policy, obtaining information about contact persons, the information about contact persons comprising at least one of dynamic information and static information; and according to the information about contact persons, performing ranking processing on contact persons according to the preset ranking policy. The device comprises a first acquisition module, a second acquisition module and a ranking module. The embodiments of the present invention can rank contact persons according to various ranking rules set by a user, have high flexibility, allow the user to find a contact person quickly, and then promote the user experience.

SCHEDULED TASK EXECUTION METHOD AND DEVICE, COMPUTER READABLE STORAGE MEDIUM, GRAPHICAL USER INTERFACE, AND MOBILE TERMINAL

The present invention relates to the field of digital data processing. Disclosed are a scheduled task execution method and device, a computer readable storage medium, a graphical user interface, and a mobile terminal. The method comprises: acquiring a current geographical location and a current time of a mobile terminal; performing comparison to find whether the current geographical location of the mobile terminal matches a preset geographical trigger position of a scheduled task; performing comparison to find whether the current time of the mobile terminal matches a trigger time of the scheduled task; and if the current geographical location of the mobile terminal matches the geographical trigger position and the current time of the mobile terminal matches the trigger time of the scheduled task, triggering the mobile terminal to execute the scheduled task. The present invention finds through comparison whether a current geographical location of a mobile terminal matches a geographical ...

BATTERY PACK

The present invention provides a battery pack, comprising a plurality of battery modules. Each battery module comprises: a battery row, comprising a plurality of battery cells, each battery cell having two electrodes, the electrodes of all the battery cells of the battery row forming two electrode rows arranged in a longitudinal direction; a flexible printed circuit board, located between the two electrode rows of the battery row; and two conductive connecting piece rows, respectively located at two lateral sides of the flexible printed circuit board, each conductive connecting piece row having a plurality of conductive connecting pieces arranged in a longitudinal direction and spaced apart from each other, each conductive connecting piece in each conductive connecting piece row being electrically connected to the flexible printed circuit board and electrically connected to the corresponding electrode in the corresponding electrode row. Each battery module further comprises: an insulating ...

Circulating water treatment device

The utility model provides a circulating water treatment device, which belongs to the technical field of circulating water use and comprises a tank body, a plurality of branch pipes, a filter part and a return pipe. The tank body is filled with an adsorption body; the top of the tank body is communicated with a liquid conveying pipe; the liquid conveying pipe is used for conveying high-temperature water to the adsorption body. The plurality of branch pipes are arranged in the adsorption body; the bottom ends of the branch pipes are communicated with a water inlet pipe, the top ends of the branch pipes are communicated with a water outlet pipe, and the branch pipes are used for exchanging heat with water in the adsorption body. The return pipe is mounted at the bottom of the filter part and is used for conveying water filtered by the filter part. The circulating water treatment device provided by the utility model not only can complete heat exchange among water, but also can filter high-temperature ...

Wind storage integrated system capacity evaluation method and system based on dynamic heat setting value

The invention belongs to the field of wind storage capacity evaluation, and provides a wind storage integrated system capacity evaluation method and system based on a dynamic thermal constant value, and the method comprises the steps: obtaining the output power of a wind storage integrated system and the actual environment variable of a pre-installation position; calculating an electric-thermal coupling relation of the overhead transmission line between the wind storage integrated system and the main power system based on the dynamic thermal constant value; analyzing the power transmission state of the overhead transmission line according to the obtained electric-thermal coupling relation and the actual environment variable of the pre-installation position; and determining the output capacity of the wind storage integrated system according to the power transmission state of the overhead transmission line and the initial capacity of the wind storage integrated system. According to the method ...

CROSS-FLOW WIND TURBINE AND FAN HEATER

A cross-flow wind turbine and a fan heater using the cross-flow wind turbine. The cross-flow wind turbine (31) comprises two fixed plates (311) provided opposite to each other and several blades (315) connected between the two fixed plates (311); the several blades (315) are spaced along the outer edges of the fixed plates (311), the blades (315) being arranged in a twisted manner along the axial direction of the cross-flow wind turbine (31), and the relative twist angle between two ends of each of the blades (315) is greater than or equal to 5° and less than or equal to 40°. The cross-flow wind turbine can reduce working noise of the fan heater.

Back-end optimization method based on multi-modal feature association

The invention discloses a back-end optimization method based on multi-modal feature correlation, which can increase the accuracy and robustness of positioning in a synchronous positioning and mapping system using multi-modal features, and the idea of the back-end optimization method is to construct a correlation model of the features, combine the correlation relationship with back-end optimization, reduce the accumulated error of the system, and perform pose optimization. According to the method, firstly, a mathematical model of a spatial geometrical relationship between features is given, then, feature residual terms corresponding to different features are calculated, and finally, the confidence weight of the error terms is adjusted by using the feature correlation degree in a rear end and pose optimization is performed. According to the method, the re-projection error containing the incidence relation is added into back-end optimization, so that the accuracy and robustness of SLAM system ...

Spiral indoor motion trail pseudo-satellite simulation system

According to the spiral indoor motion trail pseudo-satellite simulation system, a design layer can set a pseudo-satellite ephemeris, carrier motion parameters and pseudo-satellite transmitting power, and a middle layer is responsible for building a mathematical model for observation data, carrier motion, transmission space and other parameters. And the output layer is used for realizing calculation of multiple positioning parameters such as pseudo range, carrier phase and pseudo satellite receiving power, and finally sending the information to a positioning module to realize calculation of a carrier motion track. The system can simultaneously transmit and receive a plurality of signals, realizes flexible networking of pseudo satellites and clock synchronization among a plurality of base stations, and can also be used for researching signal transmission in various indoor scenes, such as multipath, non-line-of-sight and a large amount of environmental noise. Besides, the system realizes simulation ...

MOBILE PHONE SECURITY PROTECTION METHOD AND DEVICE

Provided are a mobile phone security protection method and device. The method comprises: determining whether a mobile phone meets a preset condition for enabling a security mode; if yes, enabling the security mode; sending security protection information to a designated contact to notify the designated contact to perform security processing on the mobile phone. The device comprises a determination module, an enabling module, and a sending module. The solution relates to the information processing field. After the security mode is enabled, the security protection information is sent to the designated contact to notify the designated contact to perform security processing on the mobile phone, so that the designated contact does not miss the anti-theft timing, thereby facilitating retrieval of the stolen mobile phone, and effectively reducing leakage of private information of the user.

Power transmission tower bolt loosening positioning device and using method

The invention relates to a power transmission tower bolt loosening positioning device and a using method, the power transmission tower bolt loosening positioning device comprises at least one sound pickup device, the sound pickup device comprises an adsorption part and a sound pickup part, the sound pickup part is installed at the upper end of the adsorption part, the sound pickup part comprises a sound pickup ball and a controller, sound pickup heads are uniformly distributed on the sound pickup ball, and the sound pickup heads are connected with the controller. According to the invention, the sound pick-up ball is arranged to carry out spatial multi-direction collection on the characteristic sound generated by bolt loosening, and the initial position of bolt loosening is judged according to the position of the sound pick-up head of the received strongest sound; and then the loosening position of the bolt is accurately judged according to the receiving sequence of the bone conduction microphone ...

Foam board continuous forming machine and using method thereof

The invention discloses a foam board continuous forming machine and a using method thereof. The foam board continuous forming machine comprises a base support and an upper frame installed on the top of the base support. An upper-layer rolling belt assembly and a lower-layer rolling belt assembly are arranged in the base support and the upper frame, a lower-layer rolling belt adjusting mechanism is arranged in the base support, and the base support is connected with the lower-layer rolling belt assembly through the lower-layer rolling belt adjusting mechanism. According to the required thickness of a processed foaming plate, the distance between the upper-layer rolling belt assembly and the lower-layer rolling belt assembly is adjusted through the lower-layer rolling belt adjusting mechanism, a foaming extrusion raw material is pulled and conveyed through the upper-layer rolling belt assembly and the lower-layer rolling belt assembly, and then the foaming extrusion raw material is rolled ...

SILICON-BASED MONOLITHIC INFRARED PIXEL SENSOR

Provided is a silicon-based monolithic infrared pixel sensor, the silicon-based monolithic infrared pixel sensor comprises: a silicon-based substrate; a buffer layer located on the silicon-based substrate; an infrared detector and a transistor located on the buffer layer, wherein the infrared detector uses germanium tin (GeSn) material, the thickness of the buffer layer is 0.5-2 microns, and a protective layer that also serves as an anti-reflection layer, so as to promote absorption of infrared light by the infrared detector. According to the present application, the infrared detector is is made of the germanium tin (GeSn) material, so that the photoelectric detector and the transistor can be integrated in one silicon substrate to form the monolithic infrared pixel sensor by combining the high response characteristic of the germanium tin (GeSn) material in an infrared band under a standard CMOS process.

High-frequency signal detection system

The invention provides a high-frequency signal detection system. The high-frequency signal detection system comprises a Rogowski coil type current sensor; the first circuit comprises a first resistor, one end of the first resistor is connected with a coil of the Rogowski coil type current sensor, and the other end of the first resistor is grounded; the second circuit comprises a time delay circuit and a second resistor, one end of the time delay circuit is connected with one end of the first resistor, the other end of the time delay circuit is connected with one end of the second resistor, and the other end of the second resistor is grounded; one end of the first resistor serves as a first output end of the high-frequency signal detection system, one end of the second resistor serves as a second output end of the high-frequency signal detection system, the voltage difference between the first output end and the second output end serves as an output signal, and a high-frequency signal is ...

Seepage draining and dam fixing method for tailing pond

The invention discloses a seepage draining and dam fixing method for a tailing pond. A reinforcing part and a seepage draining part are included. The reinforcing part and the seepage drainage part are arranged on the two sides of an initial dam correspondingly. The reinforcing parts are located on the inner side and the outer side of the initial dam, reinforce the initial dam and are used for improving the upper limit of bearing water pressure and fill dam pressure. The seepage drainage part is located on the outer side of the initial dam and used for reinforcing the outer side of the initial dam and improving the seepage drainage effect of the initial dam. The initial dam is improved through the reinforcing part and the seepage drainage part, when water is stored in the tailing pond, the water pressure generated by the rising water level and the fill dam formed by tailing slag accumulation can both generate pressure on the initial dam, and the reinforcing part can effectively improve the ...

Interactive interface test method and device, electronic equipment and storage medium

The embodiment of the invention provides an interactive interface test method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a to-be-tested target interactive interface and reference audio and video data; obtaining to-be-tested audio-video data of the target interaction interface according to the reference audio-video data; according to the to-be-tested audio-video features of the to-be-tested audio-video data and the reference audio-video features of the reference audio-video data, determining an initial audio-video frame of the reference audio-video data appearing in the to-be-tested audio-video data; and determining a test result of the to-be-tested interactive interface according to the initial audio-video frame, appearing in the to-be-tested audio-video data, of the reference audio-video data. According to the method, the to-be-tested audio-video features of the to-be-tested audio-video data are compared with the reference ...

Preparation method and application of injectable lithium-doped bioactive glass-GelMA hydrogel

The invention belongs to the technical field of medical biological material application, and particularly relates to a preparation method and application of injectable lithium-doped bioactive glass-GelMA hydrogel. The invention firstly discloses the GM/M-Li hydrogel, and the GM/M-Li hydrogel is prepared by loading lithium to mesoporous bioactive glass and wrapping the mesoporous bioactive glass in methacrylamide hydrogel. In addition, the invention also provides a preparation method and application of the injectable GM/M-Li hydrogel. Through in-situ injection photocuring, ions are continuously released to regulate and control inflammation, so that the osteogenesis and vascularization capabilities are enhanced, and bone reconstruction is realized.

Building foot point identification and segmentation method based on two-stage 3D point cloud semantic segmentation

The invention discloses a building foot point identification and segmentation method based on two-stage 3D point cloud semantic segmentation. The method comprises the following steps: obtaining three-dimensional point cloud data of a target scene; carrying out point cloud ground filtering processing by using a cloth simulation ground filtering CSF algorithm, separating a ground point cloud and a ground feature point cloud from an original point cloud, and after non-ground points are obtained, judging neighborhood points and echo times by combining r radius search to carry out vegetation point elimination; threshold fast attention European clustering is set, a point cloud cluster to which each point belongs is obtained, and a high-quality candidate point cloud cluster is obtained; preprocessing the point cloud cluster, and training an improved PointNet + + semantic segmentation neural network model by using a three-dimensional point cloud training set; and inputting the to-be-tested point ...

DYNAMIC THUNDER AND LIGHTNING PROTECTION METHOD AND SYSTEM

Disclosed are a dynamic thunder and lightning protection method and system, the method comprising: detecting thunder and lightning in real time, and tracking the position of a thunderstorm; and carrying out, according to a power grid control strategy, dynamic anti-thunder protection and control on a power grid before the thunderstorm arrives or the power grid is affected. Further disclosed is a dynamic thunder and lightning protection system.

FIXING PRESSING PLATE AND BATTERY BOX

The present application relates to a fixing pressing plate and a battery box. The fixing pressing plate comprises: a pressing plate body, which is elongate and has a top surface and a bottom surface opposite to each other in a thickness direction. The bottom surface is provided facing a battery cell; the top surface comprises two circuit plate mounting surfaces which are spaced apart in a width direction of the pressing plate body, and the circuit plate mounting surfaces extend a length direction of the pressing plate body; the pressing plate body comprises a connection fixing part which is formed by sinking from the top surface to the bottom surface; the connection fixing part extends in the length direction and comprises an opening and a guide slot communicated with the opening; the opening is located between the two circuit plate mounting surfaces; and the maximum width of the opening is smaller than the maximum width of the guide slot. The fixing pressing plate according to the embodiments ...

Wash drive structure of face brush head

... 本实用新型适用于皮肤护理设备领域，公开了洗脸刷刷头的驱动结构，其包括外壳、设于外壳外的刷头、设于外壳内的电机和传动连接于电机与刷头之间的传动组件，电机包括机体和一端延伸于机体外的输出轴，传动组件包括连接于刷头与机体之间的传动构件和以重心与输出轴之中心轴相互错开的方式安装于输出轴上的偏心构件，外壳内设有用于导向传动构件以垂直输出轴之轴向的方式运动并限制传动构件沿输出轴之轴向运动的导向限位部件。本实用新型提供的洗脸刷刷头的驱动结构，结构简单、可靠，占用体积小，并实现了全部刷毛大位移量、高频率的运动，极大程度地提高了洗脸刷的清洁效率和清洁效果。 ...

Plastic foaming device for air conditioner insulation pipes

The plastic foaming device comprises a supporting table, a foaming box is fixedly connected to the upper end of the supporting table, a motor base is fixedly connected to one side of the top end of the foaming box, a first motor is fixedly connected to the upper end of the motor base, a rotating shaft is arranged at the output end of the first motor, and a second motor is fixedly connected to the lower end of the rotating shaft. A rotating disc is fixedly connected to the end, away from the first motor, of the rotating shaft, a connecting rod is arranged on the surface of the rotating disc, a moving rod is arranged at the end, away from the rotating disc, of the connecting rod, a sliding groove is slidably connected to the side wall of one end of the moving rod, and a second supporting column is fixedly connected to the bottom end of the sliding groove; the bottom end of the second supporting column is fixedly connected with the foaming box, and the end, away from the sliding groove, of ...

5G base station management system based on block chain technology

The invention discloses a 5G base station management system based on a block chain technology. The 5G base station management system comprises block chain micro-service middleware, a block chain data storage model and a block chain data retrieval algorithm model, wherein the block chain micro-service middleware is used for connecting a 5G base station data management system and a communication operator alliance chain intermediate node so as to provide block chain wallet registration, data chaining, data tracing and data verification services for a required system and platform based on a RestFul interface mode; the block chain data storage model is used for storing the received 5G base station data according to the 5G base station data and providing various services; and the block chain data retrieval algorithm model is used for retrieving the block chain data storage model by adopting a merkle tree retrieval algorithm. Compared with a traditional single base station data management system ...

FAST DIALING METHOD AND DEVICE FOR TOUCH SCREEN MOBILE PHONES

The present invention provides a fast dialing method for touch screen mobile phones. Said touch screen mobile phone uses a lock screen interface. A floating window is displayed over the window of said lock screen interface. The method includes: real-time monitoring said lock screen interface and capturing click events; obtaining the corresponding phone number of said click event in said floating window while said click event is a fast dialing event; dialing said phone number to establish a link between the user and the opposite end using said phone number. The present invention also provides a fast dialing device for touch screen mobile phones. The device includes: a click event capture module, a phone number obtaining module and a link establishment module. The present invention enables dialing without unlocking the lock screen interface while said touch screen mobile phone is using said interface. It lessens user operations, keeps primary function of the lock screen, and enhances user ...

INTELLIGENT DEVICE AND METHOD THEREOF FOR REALIZING PEOPLE COUNTING

The present invention relates to an intelligent device and a method thereof for realizing people counting. The intelligent device comprises: a wireless connection unit for wirelessly connecting a user terminal to the intelligent device; a commercial activity unit for pushing commercial pages to the user terminal to allow users to browse advertisements and participate in online activities or online transactions; and a counting unit for counting the number of users participating in each activity, the number of people browsing commercial advertisements, and the number of people conducting online transactions, and feeding the information back to merchants. The method comprises: establishing a communication connection between the intelligent device and an external network; adapting the settings and parameters of a user terminal; connecting the user terminal to the intelligent device over a wireless network; pushing commercial pages to the user terminal to allow users to browse advertisements ...

LIGHT-EMITTING DIODE AND MANUFACTURING METHOD THEREFOR

Disclosed are a light-emitting diode and a manufacturing method therefor, the light-emitting diode comprising: a substrate having top and bottom surfaces opposite one another; a DBR reflective layer formed on the top surface of the substrate; a semiconductor stack layer formed on the DBR reflective layer, emitting light having a first wavelength; the reflectivity of the DBR reflective layer relative to a first light wave is 30% or below, and the reflectivity relative to a second light wave different to the first light wave is 60% or above, the first light wave being emitted by the light-emitting diode and the second light wave not being emitted by the light-emitting diode.

Dust collection device for liquid crystal glass substrate leaning

The invention discloses a liquid crystal glass substrate leaning dust collection device which comprises a liquid crystal glass substrate dust collection cover assembly, flexible abutting cleaning roller assemblies are arranged at the two ends of the liquid crystal glass substrate dust collection cover assembly, and a dirt receiving table assembly is arranged at the rear ends of the flexible abutting cleaning roller assemblies. When the liquid crystal glass substrate dust collection cover assembly is used for dust collection, the liquid crystal glass substrate dust collection cover assembly is communicated with an external negative pressure dust collection device, negative pressure dust collection is achieved through the liquid crystal glass substrate dust collection cover, and the dust collection efficiency is improved. And meanwhile, through elastic abutting of the flexible abutting cleaning roller assembly, the flexible abutting cleaning roller assembly conducts rolling type dust dipping ...

Comprehensive renovation method for domestic waste landfill

The invention relates to the technical field of household garbage treatment, and provides a comprehensive treatment method for a household garbage landfill, which is used for respectively treating a garbage heap and leachate of the garbage landfill, and conveying part of electro-oxidation produced water obtained by treating the garbage leachate to an ultrafiltration system for self-cleaning of the ultrafiltration system. The method comprises the following steps: injecting electrooxidation produced water with strong oxidizability, which is obtained by treating landfill leachate, into a garbage heap, and degrading the content of organic matters in the heap by utilizing the oxidizability of the produced water. According to the invention, rapid, energy-saving, secondary-pollution-free, continuous and effective comprehensive treatment of the domestic waste landfill is realized.

BUOYANCY-DRIVEN LIQUID PUMPING DEVICE HAVING CONSTANT VOLUME AND USE METHOD THEREOF

A buoyancy-driven liquid pumping device having a constant volume and a use method thereof. The liquid pumping device comprises a float (1), a driving force amplification mechanism (2), a piston assembly (3), a liquid container (4), and a liquid suction pipe (5). A first liquid (7) capable of generating buoyancy for the float after a liquid level rises is stored outside the float (1). The float (1) is connected to the driving force amplification mechanism (2). The piston assembly (3) comprises a piston (31) and a piston sleeve (32). The driving force amplification mechanism (2) is connected to the piston (31). A second liquid (8) is contained in the liquid container (4). The liquid suction pipe (5) is provided in the liquid container (4). A resultant force applied to the float (1) is amplified by the driving force amplification mechanism (2) and the amplified resultant force drives the piston (31) to slide in the piston sleeve (32), so as to generate a suction force or thrust, such that ...

FILE TRANSMISSION METHOD, MOBILE TERMINAL, AND SYSTEM

The present invention relates to the field of communications. Disclosed are a file transmission method and a mobile terminal. The method comprises: when receiving a request sent by a user for transmitting a file to a second mobile terminal, a first mobile terminal sending the file to the second mobile terminal by using a first transmission mode; during the file transmission process, determining whether the size of the remaining file is greater than or equal to a preset threshold in real time; if yes, determining whether the first mobile terminal meets a condition of being capable of establishing a connection with the second mobile terminal under a second transmission mode and having a greater transmission rate under the second transmission mode than that under the first transmission mode; if the condition is met, switching the transmission mode, and transmitting the remaining file by using the second transmission mode. Also disclosed is a mobile terminal, comprising a receiving module, ...

OSCILLATING MECHANISM AND FAN HEATER

An oscillating mechanism and a fan heater. The oscillating mechanism comprises a base (1), a transmission assembly, a motor support (2) connected to the base (1), and a drive motor (3) provided on the motor support (2). A first end of the transmission assembly is connected to the drive motor (3), a second end of the transmission is connected to the base (1), and the transmission assembly can drive the motor support (2) to reciprocate with respect to the base (1). An annular groove (11) is provided on the base (1), an annular rib (21) adapted to the annular groove (11) is provided on the motor support (2), and the annular rib (21) is provided inside the annular groove (11). The matching of the annular groove (11) and the annular rib (21) makes the connection of the base (1) and the motor support (2) firmer, thereby increasing the rigidity of the oscillating mechanism of the fan heater, ensuring smooth oscillation, and avoiding sloshing.

Calibration method of ultraviolet and visible spectrophotometer

The invention provides a calibration method of an ultraviolet and visible spectrophotometer, and relates to the field of calibration of spectrophotometers, the method comprises the following steps: putting a measured sample I with known absorbance into a sample area of a measurement module, and calculating the transmittance of two optical filters to be corrected; putting a measured sample II into a sample area of the measuring module, inputting the obtained transmittance of the two optical filters, converting the transmittance into absorbance, and calculating the standard deviation between the average value of the absorbance and the absorbance of the measured sample II by using a subtraction module; selecting m tested samples, and respectively converting the ultraviolet data sequence and the visible data sequence into an ultraviolet coefficient matrix and a visible coefficient matrix according to the standard data sequence V; and calculating a conversion relation between the distance and ...

Special treatment agent for polygonatum cyrtonema seeds as well as preparation method and application thereof

The invention discloses a special treatment agent for polygonatum cyrtonema seeds and a preparation method, 6-furfurylaminopurine, 3-methyl2H-furo [2, 3-C] pyran-2-one and fludioxonil are used as raw materials to form the seed treatment agent capable of stimulating germination of the polygonatum cyrtonema seeds, the highest germination rate can reach 98%, and the seed treatment agent has a good application prospect. The seed treatment agent for seed germination of polygonatum cyrtonema has the advantages of easily available raw materials, simple production process, low cost, high efficiency and environmental friendliness.

Fast complementary filtering method for attitude estimation of low-cost MARG sensor

The invention discloses a rapid complementary filtering method for attitude estimation of a low-cost MARG sensor. The method comprises the following steps: 1) estimating an attitude quaternion by using data output by an accelerometer; 2) a gravity filter using a gyroscope for compensation; 3) fusing the gravity and the magnetometer; the invention provides a fast complementary filtering method for attitude estimation of a low-cost MARG sensor, and aims at a nonlinear problem in an attitude quaternion calculation process, an accelerometer-based attitude estimation problem is converted into a linear problem. In order to improve the accuracy of MARG attitude estimation, a new complementary filter structure is designed, and the method is characterized in that firstly, gravity is estimated by fusing measurement of an accelerometer and a gyroscope; meanwhile, magnetic distortion detection is introduced into the algorithm, and the output of the magnetometer is fused with the gravity estimated based ...

STORAGE SPACE MANAGEMENT METHOD AND APPARATUS

A storage space management method and apparatus, said method specifically comprising: receiving an internal memory storage request of an application program (S102); acquiring the number of free page frames requested in the internal memory storage request (S104); on the basis of the number of free page frames, querying the free page frame structure, and acquiring continuous free storage spaces of equal size amongst the continuous free storage spaces corresponding to the number of free page frames (S106); and allocating the continuous free storage spaces to the application program (S108). The present method and apparatus solves the problem in the prior art of the low efficiency of internal memory storage space allocation caused by the lack of an NVM internal storage management mechanism, and achieving the effect of improving the efficiency of NVM internal memory management.

Plastic mold of air conditioner pipeline insulation structure

The plastic mold of the air conditioner pipeline heat preservation structure comprises a cylinder, a fixing ring is arranged at the left end of the inner side of the cylinder, the left end of the fixing ring is fixedly connected with the edge of a filtering conical net, the inner side of the fixing ring is in threaded connection with the outer side of a threaded stirring rod, and the left end of the fixing ring is in threaded connection with the outer side of the threaded stirring rod. The left end of the barrel is fixedly connected with the right end of a conical connecting pipe, a conical inner wall is arranged on the inner wall of the conical connecting pipe, a conical heating ring is arranged in the middle of the inner side of the conical inner wall, and the left end of the conical connecting pipe is fixedly connected with the right end of a wide-mouth pipe. And a fixing frame ring is arranged at the right end of the inner side of the wide-mouth pipe. According to the utility model, ...

RH powder spraying method and system

The invention relates to an RH powder spraying method and system, and belongs to the technical field of steel smelting, a powder spraying system is arranged outside an RH vacuum chamber, the powder spraying system adopts a long-rod-shaped powder spraying gun to spray powder, a powder spraying opening of the powder spraying gun is located in molten steel of a steel ladle and is close to a dipping pipe opening during powder spraying, and the powder spraying gun can automatically move in the length direction of the powder spraying gun; and the operations of inserting into the molten steel and leaving from the molten steel are automatically completed. Compared with a traditional desulfurization mode, the method has the advantages that blockage of lifting air holes of the dip pipe and damage of desulfurization powder to the vacuum pump are avoided, the utilization rate of the desulfurizer is increased, the powder spraying amount is large, the desulfurization effect is better, and the method ...

API authentication method and system, operation control device and storage medium

The invention discloses an API authentication method and system, an operation control device and a storage medium, the API authentication method is applied to an API gateway, and comprises the following steps: receiving an API call request from a client, the API call request carrying API call content, a first API call signature and a quantum key ID, the first API calling signature is obtained by performing signature operation on the API calling content by the client by using a quantum key corresponding to the quantum key ID; acquiring a corresponding quantum key from a quantum key distribution network according to the quantum key ID; performing signature operation on the API calling content by using the obtained quantum key to obtain a second API calling signature; and performing API authentication according to the first API calling signature and the second API calling signature. According to the method, the security of API authentication is enhanced, one-time pad can be realized, and an ...

Data cable for electric bicycle, data cable processing technology and electric bicycle

The invention relates to the technical field of cables, and particularly discloses a data cable for an electric bicycle, a data cable processing technology and the electric bicycle. The data cable comprises a cable sheath and a plurality of core wire units, each core wire unit comprises a cable core wire and a core wire sheath, a first talcum powder layer is arranged outside the cable core wire, at least two cable core wires are twisted, the core wire sheath wraps all the cable core wires, the plurality of core wire units are divided into at least one conductive unit and at least one communication unit, and the conductive units and the communication units are arranged in the cable sheath. The cable core wire of the conductive unit is used for realizing electrical connection, and the cable core wire of the communication unit is used for realizing communication connection. A second talcum powder layer is arranged outside the core wire units, all the core wire units are twisted, and the cable ...

SOFTWARE INSTALLATION METHOD, DEVICE AND SYSTEM

The present invention relates to the technical field of computers, and disclosed are a software installation method, device and system. The method comprises: when a user requests software installation, receiving user information and software identification information sent by a first mobile terminal; searching pre-established correspondence between user information and software information, and determining whether the user information and the software identification information corresponding thereto exist; if yes, searching for a corresponding installation package according to the software identification information, and sending the installation package to the first mobile terminal, the installation package being used for the first mobile terminal to install software. A server comprises: a first receiving module, a determining module, a searching module, and a sending module. A mobile terminal comprises: a sending module, a receiving module, and an installation module. The system comprises ...

Trimming device for thermal insulation materials

The trimming device comprises a bottom plate, a cutting groove is formed in the upper end face of the bottom plate, a supporting rod is arranged at the upper end of the bottom plate, a top plate is fixedly connected to the upper end of the supporting rod, a hydraulic pump is fixedly connected to the upper end face of the top plate, and a rod sleeve is fixedly connected to the lower end of the hydraulic pump. A telescopic rod is slidably connected to the inner wall of the rod sleeve, a mounting plate is arranged at the lower end of the telescopic rod, a vertical plate is fixedly connected to the lower end of the mounting plate, a lead screw is arranged on the front end face of the vertical plate, a sliding rod is arranged at the upper end of the lead screw, and U-shaped bases are arranged on the outer surfaces of the lead screw and the sliding rod. The right end face of the U-shaped base is fixedly connected with a second motor, and a cutting knife is arranged on the lower end face of the ...

Recombinant lactic acid bacteria for expressing HSP70 as well as preparation method and application of recombinant lactic acid bacteria

The invention belongs to the technical field of genetic engineering and molecular immunology, and particularly relates to recombinant lactic acid bacteria for expressing HSP70 as well as a preparation method and application of the recombinant lactic acid bacteria. The recombinant lactic acid bacteria take lactic acid bacteria as a live carrier to express HSP70 protein, not only can play a probiotic function of the lactic acid bacteria, but also can play a key regulation role of functional protein (HSP70 protein) in a fish mucosa defense system, block ichthyophthirius multifiliis infection, and improve the ecological disease prevention effect of the lactic acid bacteria for resisting ichthyophthirius multifiliis infection.

Well leakage detection device and method

The invention discloses a well leakage detection device and method, and relates to the technical field of petroleum and natural gas drilling engineering.The device comprises a well leakage sound wave recognition device, a coding circuit, a transcoding circuit, a transducer driving circuit and a transducer; the well leakage sound wave recognition device is used for capturing sound wave signals generated by well leakage and generating electric signals carrying well leakage information according to the sound wave signals; the coding circuit is used for coding the electric signal; the transcoding circuit is used for transcoding the coded electric signal; the transducer driving circuit is used for driving the transducer according to the transcoded electric signal; and the transducer is used for converting the transcoded electric signal into a sound wave signal and transmitting the sound wave signal to the ground. Downhole leakage can be detected in time by identifying the sound wave signal generated ...

DBR structure, LED chip, semiconductor light-emitting device, manufacturing method of semiconductor light-emitting device and display panel

The invention provides a DBR structure, an LED chip, a semiconductor light-emitting device, a manufacturing method of the semiconductor light-emitting device and a display panel. The DBR structure comprises a plurality of reflecting film groups, and each reflecting film group comprises a first material layer and a second material layer which are stacked in sequence and have different refractive indexes; wherein along the stacking direction of the reflective film group, the DBR structure comprises a first region and a second region, the optical thickness ranges of the first material layer in the first region and the second region are different, and the optical thickness ranges of the second material layer in the first region and the second region are different. The DBR structure may also include a second material layer disposed below the reflective film set. The refractive index of the first material layer is smaller than that of the second material layer. By setting different optical thicknesses ...

High-applicability flexible photovoltaic support

The invention relates to a high-applicability flexible photovoltaic support which comprises a stand column, the lower end of the stand column is fixedly arranged on the ground, and a cross beam is installed at the upper end of the stand column; an I-shaped beam is adopted as the cross beam, the I-shaped beam is transversely arranged at the upper end of the stand column, namely, a top plate and a bottom plate of the I-shaped beam are vertically arranged and are arranged left and right, and a middle plate of the I-shaped beam is horizontally arranged; the upper lug plate is fixedly arranged at the upper end of the cross beam, and at least one end of the upper lug plate is provided with an upper inhaul cable connecting part; the lower lug plate is fixedly arranged at the lower end of the cross beam, and at least one end of the lower lug plate is provided with a lower inhaul cable connecting part; the upper lug plate and the lower lug plate are located on the two sides of the cross beam in ...

Multifunctional maintenance device for greening seedlings

The invention relates to the technical field of nursery stock maintenance, in particular to a greening nursery stock multifunctional maintenance device which is simple in structure, a plurality of arc-shaped clamping plates are arranged, and the arc-shaped clamping plates can be operated to move at the same time so as to adapt to trees with more diameters; comprising a plurality of substrates, the adjacent substrates are rotationally connected, and the end-to-end substrates are connected through connecting pieces; rotating shafts I are rotationally mounted on the base plate, and all the rotating shafts I rotate synchronously; a nut is rotationally installed on the base plate, the first rotating shaft is in transmission connection with the nut, a first lead screw is rotationally installed in the nut, an adjusting plate in sliding fit with the base plate is rotationally installed at one end of the first lead screw, and an arc-shaped clamping plate is arranged on the adjusting plate; a supporting ...

COMPOSITE FLOCCULATING AGENT AND METHOD FOR PROCESSING RADIOACTIVE ELEMENTS IRON, COBALT, MANGANESE AND SILVER IN NUCLEAR WASTEWATER

A composite flocculating agent and method for processing radioactive elements iron, cobalt, manganese and silver in nuclear wastewater, which relates to the technical field of the nuclear wastewater treatment. The composite flocculating agent consists of a chemical precipitating agent and an organic high-polymer flocculating agent. The chemical precipitating agent is one or a combination of several of potassium permanganate, sodium sulfide, sodium carbonate, and sodium hydroxide; and the organic high-polymer flocculating agent is polyacrylamide and/or sodium polyacrylate and/or dimethyl diallyl ammonium chloride. The processing method comprises the following steps: configuring a composite flocculating agent, charging the composite flocculating agent, regulating a pH of a solution, and performing mixing, flocculating and filtering. The composite flocculating agent can effectively remove multiple radioactive element ions of ultralow trace concentration in nuclear wastewater, and has advantages ...

GPS/BDS TIGHT COMBINATION CARRIER DIFFERENTIAL POSITIONING METHOD

Disclosed is a GPS/BDS tight combination carrier differential positioning method, comprising: first constructing, with a GPS as a reference system, a GPS intra-system double-difference ionosphere free combination model and a GPS/BDS inter-system double-difference ionosphere free combination model; then selecting a BDS reference satellite, re-parameterizing the ambiguity of the GPS/BDS inter-system double-difference ionosphere free combination and performing parameter de-correlation; estimating an ionosphere free combination carrier differential inter-system deviation in real time, and performing datum conversion on the ionosphere free combination carrier differential inter-system deviation at an essential moment to achieve the continuous estimability of the ionosphere free combination carrier differential inter-system deviation; and finally, forming an ionosphere free combination using a base carrier observation value with fixed ambiguity and performing tight combination positioning on ...

Method for quickly starting nitrification fluidized carrier bio-membrane reactor

The invention discloses a method for quickly starting a nitrification fluidized carrier biofilm reactor, which comprises the following steps: activating nitrifying bacteria, feeding water into a zone A of the reactor, discharging water from a zone B, forming a plurality of communicating holes between the zone A and the zone B, feeding a fluidized carrier into the zone B, feeding and inoculating the nitrifying bacteria into the reactor, and adopting an intermittent water feeding and biofilm culturing mode. The DO in the zone B is adjusted by controlling the zone A in the first 10-15 days, the zone B is adjusted by controlling the zone B in the 10-15 days, mud is discharged once every one to two weeks, and suspended inoculated nitrifying bacteria are completely discharged after the mud is discharged for 3-4 times; continuously feeding water until the ammonia nitrogen removal rate is maintained at 80% or above, and forming a faint yellow biological membrane on the surface of the fluidized ...

INTERACTIVE APPARATUS AND METHOD FOR INTERACTION BETWEEN SAME AND USER

The present invention relates to an interactive apparatus and a method for interaction between same and a user. The interactive apparatus comprises: a collection unit (102), for collecting merchant activity data in a cloud server; an interactive unit (103), for displaying the merchant activity data on a display screen (108) of the interactive apparatus, a user browsing an advertisement and participating in an activity or an online transaction according to actual demands so as to realize interaction between the user and the interactive apparatus; and a printing unit (106), for printing a head portrait picture of the user. The interaction method comprises: establishing a communication connection between an interactive apparatus and a cloud server; collecting merchant activity data in the cloud server; displaying the merchant activity data on a display screen (108) of the interactive apparatus, a user browsing an advertisement and participating in an activity or an online transaction according ...

METHOD AND APPARATUS FOR ACCESSING APPLICATION

Disclosed are a method and an apparatus for accessing an application, which relate to the technical field of information security. The method comprises: monitoring an application installed on a user equipment; when it is detected that a user requests to access an application, determining whether the application whose access is requested is encrypted; when the application whose access is requested is encrypted, requesting the user to input authentication information, and authenticating whether the authentication information is correct; when the authentication information is correct, running the application whose access is requested, and presenting a running result; and when the authentication information is incorrect, executing a protection operation for the application whose access is requested. In this way, a malicious access to the application by someone can be effectively prevented, thereby effectively ensuring the security of user information in the application.

Device and method for detecting tensile force and waterproofness of protective clothing

The device comprises a device body, a tension meter is movably connected to the front face of the top of an inner cavity of the device body, a pressing block is movably connected to the top of the back face of an inner cavity of the tension meter, and a fixing pile is fixedly connected to the back face of the top of the inner cavity of the device body. Pressing assemblies are symmetrically and movably connected to the left side and the right side of the top of the fixing pile, a second fixing column is fixedly connected to the center of the back face of the fixing pile, and L-shaped plates are symmetrically and movably connected to the front face and the back face of the second fixing column. According to the device and the method for detecting the tensile force and the waterproofness of the protective clothing, the protective clothing can be well fixed when the tensile force and the waterproofness of the protective clothing are detected, so that the accuracy of detection data can be ensured ...

Reagent for detecting SNP (Single Nucleotide Polymorphism) molecular marker combination related to nervous necrosis virus resistance character of grouper

The application is a divisional application of an invention patent application of which the application date is December 21, 2020, the application number is 202011520740X, and the invention name is' a reagent of SNP molecular marker combination related to detection of nervous necrosis virus resistance character of grouper '. The invention discloses a reagent for detecting an SNP (Single Nucleotide Polymorphism) molecular marker combination related to the nervous necrosis virus resistance character of grouper, five SNP sites related to the nervous necrosis virus resistance character of the grouper are found, and when the genotype of the SNP site 1 is GG, the genotype of the SNP site 2 is AC, the genotype of the SNP site 3 is CC, the genotype of the SNP site 4 is TA and the genotype of the SNP site 5 is TT, the genotype of the SNP site 1 is GG, the genotype of the SNP site 2 is AC, the genotype of the SNP site 3 is CC, the genotype of the SNP site 4 is TA and the genotype of the SNP site ...

Fermentation tank with pressure monitoring function

The invention discloses a fermentation tank with a pressure monitoring function. A cover plate is fixedly arranged on a tank body, and an exhaust pipe is fixedly arranged on one side of the tank body; a fixed shell and a control box are fixedly arranged on the side wall of the tank body, the exhaust pipe is communicated with the fixed shell, and the barometer is fixedly arranged on the fixed shell; the frame body is arranged in the reaction cavity, a feeding pipe and a discharging pipe are fixedly arranged at the two ends of the frame body respectively and rotationally connected with the side wall of the reaction cavity, filter screens are fixedly arranged on the two sides of the frame body, a second rotating gear is rotationally connected to the outer side of the tank body and fixedly connected with the feeding pipe, and a rotating motor is further fixedly arranged on the tank body. The first rotating gear is fixedly arranged at the power output end of the rotating motor, the air blower ...

Handheld/backpack type SLAM device and positioning method

The invention discloses a handheld/backpack type SLAM device and a positioning method, the handheld/backpack type SLAM device is divided into a handheld part and a backpack part, the handheld part and the backpack part can be connected through a bolt and an aviation plug, and the data acquisition and positioning method by using the handheld/backpack type SLAM device comprises the following steps: S1, connecting the handheld part with the backpack part through an aviation interface, the knapsack part is placed in the knapsack, the screen is fixed on the body through the bandage, and the equipment is started. And S2, installing an ROS system and the sensor driver. And S3, starting a low-delay mode of the serial port, so that the integrated navigation data can be transmitted to a host at a high frequency of 200Hz. And S4, issuing binocular camera image data, IMU data, laser point cloud data and GNSS data. And S5, fusing the positioning of the camera, the laser radar, the GNSS and the IMU.

Image semantic segmentation method and system

The invention belongs to the technical field of image processing, and discloses an image semantic segmentation method and system, and the system comprises an input module, a data preprocessing module, a multi-level Swin Transform encoder, a bottleneck module, a multi-level Swin Transform decoder, a Vision Transform multi-scale feature focusing skip connection module, and a prediction output module. Through the method, multi-scale global feature correlation information can be captured, and key information of high-order semantic information is highlighted.

CLOUD COMPUTING MONITORING METHOD AND DEVICE

A cloud computing monitoring method and device. The cloud computing monitoring method comprises: a network monitoring tool Nagios collects monitoring data of an apparatus according to a configured customized monitoring option, and writes the collected monitoring data into an Ndoutils database; a monitoring component Ceilometer connects to the Ndoutils database, reads and parses the monitoring data in the Ndoutils database, and then writes the parsed monitoring data into a Ceilometer database; and the monitoring component Ceilometer monitors the apparatus according to monitoring data being written and historical saved monitoring data. The present invention provides three advantages: firstly, Ceilometer is able to monitor information of an apparatus, such as a physical machine and a router, via Nagios; secondly, by using a Ceilometer distributed alarm mechanism, Nagios is able to customize an alarm for a hardware apparatus, thus addressing a lack of flexibility in an alarm mechanism itself ...

INSTALLATION PACKAGE VIRUS CHECKING AND KILLING METHOD AND DEVICE

An installation package virus checking and killing method and device. The method comprises: unpacking an installation package, caching description information which is obtained by unpacking the installation package; after a virus checking and killing enabled instruction is received, reading the cached description information; and analyzing the installation package according to the read description information, and determining whether the installation package has a virus. The solution can increase the installation package virus checking and killing speed.

Balance car driving device, assembling method thereof and balance car applying balance car driving device

The invention discloses a balance car driving device, an assembling method thereof and an applied balance car, a stator assembly comprises a stator iron core, a stator mounting table is fixedly mounted between the inner circumference of the stator iron core and a driving shaft, and a first groove is formed between the stator mounting table and at least one end face of the stator iron core; a motor controller is fixedly installed at the end, close to the first groove, of the stator installation table, the motor controller is located in the first groove and connected to the driving shaft in a sleeving mode, and the motor controller is in communication connection with a Hall assembly of the stator iron core; according to the balance car driving device, the installation space is saved, the output wire harness of the motor controller is simplified, meanwhile, the motor controller and the stator installation table are connected to the driving shaft in a sleeving mode at the same time, the overall ...

SILICON-BASED GERMANIUM-TIN TRANSISTOR WITH HIGH ELECTRON MOBILITY

A silicon-based germanium-tin transistor with high electron mobility (1). The silicon-based germanium-tin transistor with high electron mobility (1) comprises: a silicon-based substrate (11); a buffer layer (12) located on the silicon-based substrate (11); a channel layer (13) located on the buffer layer (12), wherein the channel layer (13) is a germanium-tin (GeSn) material; and a spacer layer (14), a barrier layer (15), and a capping layer (16) located on the channel layer (13), wherein the spacer layer (14), the barrier layer (15), and the capping layer (16) ) are a III-V semiconductor material, and a two-dimensional electron gas is formed at the interface between the spacer layer (14) and the channel layer (13), and the buffer layer (12) has a thickness greater than 500 nm. The present invention can improve the high-speed performance of transistors, and GeSn is easy to integrate with Si-based integrated circuit manufacturing technologies.

Thermal insulation pipe and preparation method thereof

The invention relates to a thermal insulation pipe and a preparation method thereof, and relates to the technical field of pipe product manufacturing, and the thermal insulation pipe is prepared by vulcanizing and foaming the following raw materials in parts by weight: 1900-2100 parts of rubber sheet, 1-1.5 parts of sulfur, 7-9 parts of zinc oxide, and 55-65 parts of blowing promoter; the preparation method comprises the following steps: uniformly mixing rubber sheet raw materials through a milling machine, controlling the Mooney viscosity to be 68-73, and cooling to form a rubber sheet; uniformly mixing the obtained rubber sheet with sulfur, zinc oxide and a foaming aid, and extruding a tubular rubber tube through an extruder; and vulcanizing and foaming the obtained rubber pipe, and then cooling to obtain the thermal insulation pipe. The service life can be prolonged while the hole closing rate of the heat preservation pipe can be increased.

Converter transformer early protection system and method based on monitoring of gas dissolved in oil

The invention provides a converter transformer early protection system and method based on monitoring of gas dissolved in oil. The system comprises a plurality of oil fetchers, each oil fetcher is used for being connected with a converter transformer, and each oil fetcher is used for collecting an oil sample in the corresponding converter transformer; the oil mixing device is connected with each oil taking device and is used for receiving and mixing each oil sample; the monitoring system is connected with the oil mixing device and is used for receiving the mixed oil sample and monitoring the concentration of gas in the mixed oil sample; and the controller is connected with the monitoring system, and is used for receiving and analyzing the monitored gas concentration, determining whether the direct-current valve group connected with each converter transformer needs to be closed or not, and closing the direct-current valve group when determining that the direct-current valve group needs to ...

Supporting structure for open-cut tunnel over-span track interval to be built and construction method thereof

The invention relates to an open-cut tunnel overpass to-be-built track interval supporting structure and a construction method thereof. At least two rows of bottom plate pile foundations extending downwards are arranged at the bottom of an open-cut tunnel. The to-be-built track section penetrates through the space between the two adjacent rows of bottom plate pile foundations in parallel; the foundation pit supporting piles are distributed on the two opposite sides of the open cut tunnel in the length direction of the open cut tunnel. Double rows of supporting piles are adopted for the foundation pit supporting piles on each side of the open-cut tunnel in the length direction of the open-cut tunnel, and the upper ends of the row of foundation pit supporting piles adjacent to the foundation pit are connected into a whole through a top beam; the upper ends of the foundation pit supporting piles which are located on the same side of the open cut tunnel and in adjacent different rows are connected ...

METHOD, SYSTEM AND TERMINAL FOR OBTAINING AND DELIVERING AN INSTRUCTION, SERVER AND STORAGE MEDIUM

The present invention is applicable to the field of communications, and provides a method, a system and a mobile terminal for obtaining and delivering a querying instruction, a server, an information interaction system and a computer storage medium. The method includes: the mobile terminal sending a short message for obtaining a querying instruction set to a server side; and the mobile terminal receiving the querying instruction set delivered by the server. The mobile terminal according to the present invention queries and obtains, from an operator server, the querying instruction set constituted of the querying instructions corresponding to all kinds of service information. A user does not need to remember any querying instruction, but only needs to select a service to be queried according to the querying instruction set, and a querying instruction corresponding to the service to be queried may be sent out automatically.

METHOD AND SYSTEM FOR SERVICE SETTLEMENT

A method and a system for service settlement are provided, wherein, the method comprises: acquiring the service information (S102); determining a settlement scheme according with the service type in the information (S104); dividing the service turnover of the service in the information by using the first division model of the determined settlement scheme, wherein the intermediate division terms resulted from the division are divided by using the second division model of the settlement scheme until the final division terms are acquired (S106); and aggregating the sum of the service turnover of the final division terms corresponding to each of the benefit parties of the service (S108). The invention achieves the multi division of the service turnover, so that the demand of the two, three or more layers of division in the complex division of the service settlement can be satisfied.

METHOD AND ROUTER FOR IMPLEMENTING MIRRORING

A method for implementing mirroring in routers is provided in the present invention. The method includes the following steps: in source router, setting remote mirror port, establishing corresponding virtual interface of layer 2 for the remote mirror port, and designating, for the virtual interface of layer 2, mirror data streams and corresponding physical output port; in destination router, establishing virtual interface of layer 2 which corresponds to the virtual interface of layer 2 of the source router; forming a virtual private wire service tunnel between the virtual interfaces of layer 2 of the source router and the destination router; after the remote mirror port of the source router receives the messages, the mirror data streams are filtered from the messages, and the obtained mirror messages are transmitted from the physical output port of the source router to the destination router; after receiving the mirror messages, the destination router searches its virtual interface of layer ...

Raw material processing device for air conditioner insulating pipes

The raw material processing device comprises a base and a main box body, fixing plates are fixedly connected to the two sides of the main box body, an electric push rod is fixedly connected to the upper end of each fixing plate, a supporting plate is fixedly connected to one end of each electric push rod, and a fixing block is fixedly connected to the middle of the lower end of each supporting plate. A first motor is fixedly connected to the middle of the fixing block, first bearings are fixedly connected to the lower end of the fixing block and are opposite to the two sides of the first motor, rotating shafts are fixedly connected to the inner walls of the first bearings, and first gears are fixedly connected to the side faces of the rotating shafts and are opposite to the second gears. A stirring box is arranged in the main box body, a plurality of stirring blades are fixedly connected to the side face of the rotating shaft and the interior of the stirring box, and a plurality of heaters ...

Method and device for constructing space-time interleaving behavior recognition network model

The invention discloses a space-time interleaving behavior recognition network model construction method and device, and the method comprises the steps: loading video data, extracting video frames, carrying out the random cutting and random horizontal overturning of the video frames, obtaining an input data set of a model, and dividing the data set into a training set, a verification set and a test set; determining a space-time interleaving behavior recognition network model structure, wherein the structure comprises a base network, an interactive feature cooperation module, a parallel enhancement pseudo 3D module and a space-time difference attention module which are connected in sequence; performing network training on the space-time interleaving behavior recognition network model by using the data in the training set, evaluating the model by using the data in the verification set, and storing the optimal model once the optimal parameter is found; and testing the optimal model by using ...