电子桌签（ZQ06）

红外全景监控器

宫灯（冰心思洛）

农膜流滴计时器

Unconventional reservoir volume fracturing effect evaluation method based on material balance

The invention discloses an unconventional reservoir volume fracturing effect evaluation method based on material balance. The method comprises the following steps: firstly, establishing an unconventional reservoir volume fracturing material balance equation set; then, a multi-well synchronous solving program is compiled by designing a calculation process, and finally key evaluation parameters of the volume fracturing effect of each oil well are obtained through solving; and finally, quantitatively analyzing the proportion of the injected liquid amount in the volume of each part in the volume fracturing transformation process to obtain a volume fracturing effect evaluation parameter theoretical chart under different construction parameter conditions, and quantitatively evaluating the volume fracturing effects in different well network development stages by taking an unconventional reservoir actual block typical well group as an example. The method for evaluating the volume fracturing effect ...

Ancient glass sub-classification method and system based on principal component analysis and factor analysis

The invention discloses an ancient glass subclassification method and system based on principal component analysis and factor analysis, and the method comprises the steps: obtaining ancient glass samples to be subclassified, and detecting the chemical components of the surface of each ancient glass sample to be subclassified, acquiring actual chemical component values corresponding to the chemical component indexes influencing the ancient glass subclassification; based on a principal component analysis method, key factors influencing ancient glass subclassification are extracted as comprehensive indexes, the comprehensive indexes serve as main factors, a score mathematical model of main factors is established through a factor analysis method, and the score result of each main factor is determined in combination with actual chemical component values; and according to the score of the main factor, determining a subclass division result of the ancient glass sample to be subclassified. According ...

Vulnerability situation assessment method and device, electronic equipment and storage medium

The embodiment of the invention provides a vulnerability situation assessment method and device, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence. The method comprises the following steps: inputting to-be-evaluated vulnerability situation data into a pre-trained classification model to respectively obtain scores of attacker ability, vulnerability levels and protected object influence degrees; calculating an information entropy according to the score; calculating an evaluation result of the attacker ability, the vulnerability level and the influence degree of the protected object according to the information entropy; according to the method, the vulnerabilities are quantitatively evaluated from the three aspects of attackers, the vulnerabilities and protected objects, and the problem that the vulnerability situation is difficult to evaluate is solved.

HIGH-VOLTAGE STARTUP CIRCUIT

A high-voltage startup circuit comprises: a startup capacitor; a detection and control circuit, for detecting a voltage of the startup capacitor, and outputting a completed startup control signal when the voltage is higher than a voltage threshold, otherwise outputting an uncompleted startup control signal; a charging switch device, for controlling the switch on and off of the charging switch device; a bias circuit, for providing a bias voltage for a control end of the charging switch device and receiving the control signal from the detection and control circuit; wherein when the control signal from the detection and control circuit is the uncompleted startup control signal and a power source end HVDC (High Voltage Direct Current) is connected with a power source, the bias circuit provides a first bias voltage for the control end of the charging switch device to switch on the charging switch device, and when the control signal from the detection and control circuit is the completed startup ...

CONFIGURATION INFORMATION TRANSMISSION METHOD AND DEVICE

The present disclosure provides a configuration information transmission method and device. The method comprises: transmitting configuration information, wherein the configuration information comprises at least one of the following: configuring N sets of data channel configuration information for one frequency domain bandwidth; configuring M sets of control channel resource configuration information for one frequency domain bandwidth; configuring C sets of measurement reference signal configuration information for one frequency domain bandwidth, wherein N, M, and C are integers greater than or equal to 1. The above technical solution resolves the issue of the lack of data transmission between multiple TRPs and a terminal in the prior art. Multiple sets of configuration information are configured for one frequency domain bandwidth, such that different configuration information can be used in multi-TRP transmission, thereby realizing data transmission between multiple TRPs and a terminal.

MMC topology with reinforcing voltage characteristic half -bridge full -bridge mixed type

... 本实用新型公开了一种具有增强电压特性半桥全桥混合型的MMC拓扑，其包括联接变压器、全波整流桥、上桥臂半桥区Zp1、上桥臂全桥区Zp2、下桥臂半桥区Zn1、下桥臂全桥区Zn2以及预充电开关K3，其中，联接变压器的一侧连接三相交流进线，其另一侧形成第一电压源和第二电压源，所述上桥臂半桥区Zp1和下桥臂半桥区Zn1均由N个半桥子模块串联而成，所述上桥臂全桥区Zp2和下桥臂全桥区Zn2均由K个全桥子模块串联而成，其中，N和K均为正整数且K≥N。本实用新型采用半桥、全桥子模块混合调制交流直流电压，能提高直流电压降低直流电流以及关断直流故障电流，达到增强电压特性以及故障穿越的目的。 ...

Garden way supercrust structure that water permeability is strong

... 本实用新型公开一种透水性强的园路路面层结构，该路面从下往上依次包括路基、碎石排水层、基层、垫层、结合层和面层，所述路基为素土，所述碎石排水层采用碎石块均匀填充压实，所述基层采用透水性粒料进行填充，并在基层上设有2％～3％的横坡度，所述垫层采用三七石灰土填充压实，所述结合层为为20～50mm厚度的粗砂或1:3硬砂浆，所述面层作为主路面的最上层，采用透水砖或多孔沥青混凝土进行铺设，并在相邻透水砖间隙或多孔沥青混凝土的表层填充一层透水性树脂砂浆。本实用新型所提出的园路路面层结构在满足园路路面使用强度的基础上，确保园路具有较好的透水功能和耐久性，大大延长了其使用寿命，降低了维护成本。 ...

Lifting platform for building construction

The invention is applicable to the technical field of building construction, and provides a lifting platform for building construction, which comprises a base, limiting columns are distributed on the base, the limiting columns are connected through connecting pieces, the lifting platform further comprises a lifting mechanism, one end of the lifting mechanism is fixed on the base, and a platform is fixedly arranged at the other end of the lifting mechanism; and the anti-falling mechanism comprises a driving assembly, a connecting assembly, a limiting assembly, a telescopic piece and a third elastic piece. According to the lifting platform for building construction, the lifting mechanism drives the platform to ascend and descend, when the lifting mechanism breaks down, the anti-falling mechanism is matched with the limiting column, descending of the platform can be limited in time, descending of the platform is stopped rapidly, the anti-falling function of the platform is achieved, and safety ...

Lubricating rust-proof type hand-cranking chain window opener

The invention discloses a lubricating rust-proof type hand-cranking chain window opener applied to the field of devices for moving a wing sash to an opening or closing position, according to the window opener, a supplement panel is arranged in a chain box, and a lubricating adsorption frame is arranged on a chain, so that the lubricating adsorption frame and the supplement panel can be matched with each other to lubricate and supplement the chain; the lubricating property of the chain is effectively guaranteed, the loss of lubricating oil caused by long-term exposure is avoided, the action jamming probability of the chain when the chain is used for window opening control is reduced, the self-maintenance lubricating effect can be effectively achieved, the manual maintenance procedure is reduced, and the maintenance difficulty and cost are effectively reduced; and through the effect that high-concentration lubricating oil diffuses to low-concentration lubricating oil, the oil outlet supplementing ...

Application of integrin protein ITGA5 as marker in preparation of medicine for treating hyperleukocyte acute myelogenous leukemia

The invention discloses application of integrin protein ITGA5 as a marker in preparation of drugs for treating hyperleukocyte acute myelogenous leukemia, and belongs to the technical field of medicines. The invention finds that a patient with high leukocyte acute myelogenous leukemia (HAML) specifically and highly expresses integrin ITGA5, and migration, invasion and proliferation of HAML cells can be effectively inhibited by inhibiting expression or activity of the whole ITGA5. The invention provides an application of ITGA5 as a marker in preparation of a medicine for treating HAML, an application of an ITGA5 inhibitor in preparation of a medicine for treating HAML and an application of an ITGA5 inhibitor in preparation of a medicine for inhibiting HAML leukocyte migration, invasion and proliferation, and further provides an application of a reagent for detecting the expression level of ITGA5 in preparation of a reagent or a kit for diagnosing HAML.

Intelligent high-voltage switch of GIS combined electric appliance

The invention discloses a GIS composite apparatus intelligent high-voltage switch with high reliability and easy maintenance. The GIS composite apparatus intelligent high-voltage switch comprises a primary device and a secondary device. The primary equipment comprises a circuit breaker, an isolating switch and a grounding switch; the secondary equipment comprises an intelligent acquisition execution unit, a comprehensive control analysis unit, a circuit breaker intelligent control module, a disconnecting link intelligent control module and various types of sensors; the intelligent acquisition execution unit comprises an intelligent acquisition execution unit A set and an intelligent acquisition execution unit B set; the circuit breaker intelligent control module comprises a circuit breaker intelligent control module set A and a circuit breaker intelligent control module set B; each type of sensor comprises an angle sensor, a mechanism box temperature and humidity sensor, a gas sensor, a ...

Air conditioning unit and sterilization device and control method thereof

The invention discloses an air conditioning unit and a sterilization device and a control method thereof, and the control method comprises the following steps: after a fan module operates, multiple groups of ultraviolet lamps in a sterilization module alternately and circularly operate according to a certain operation sequence until the air conditioning unit receives a signal of closing the operation of the sterilization module; and after the continuous operation time of the current ultraviolet lamp reaches the first limited time, turning off the current ultraviolet lamp, resetting the starting timer corresponding to the current ultraviolet lamp, and turning on the next group of ultraviolet lamps at the same time. By controlling the multiple groups of ultraviolet lamps to alternately operate according to a certain operation sequence, the continuous use time of the ultraviolet lamps can be shortened, the service life of the sterilization module can be prolonged, the replacement frequency ...

BUTTON OF ELECTRONIC DEVICE

A button (1) of an electronic device comprises: a shell (2), a first through-hole (21) being formed on the side wall of the shell; a key switch (3), arranged inside the shell and corresponding to the first through-hole; a first key (4), having: a base portion (41) formed with a hollow portion (42), bonded and fixed on the outer surface of the side wall of the shell; a supporting portion (43), protruding from the base portion to the outside and in the central direction of the hollow portion, the supporting portion being capable of elastically deforming in the inward and outward directions, and the center of the supporting portion being provided with a second through-hole (44) corresponding to the first through-hole; and a second key (5), engaged with the supporting portion, the second key being provided with a head portion and a shaft portion (52) extending from the head portion to the inside, the shaft portion being inserted into the first through-hole and the second through-hole, and the ...

DEVICE AND METHOD FOR DETECTING ABNORMAL TRAFFIC EVENT

A device and method for detecting an abnormal traffic event. According to the device and method, by means of respectively setting a detection function for at least two pre-determined regions in an input image (1601), respectively extracting a motion foreground and/or a legacy foreground in various pre-determined regions according to the set detection function (1602), and processing same to obtain a detection result corresponding to the set detection function (1603), different detection functions may be implemented with regard to different regions, thereby providing diversified services. In addition, since performing corresponding extraction and processing in various regions according to set functions can effectively reduce the amount of computations, the requirements for real-time detection can be satisfied.

台灯（火柴人）

计算机显示器

缆线布线附件

轨道测距尺

运动鞋

车门护板

Novel anti -freeze white vehicle air conditioner pipe

... 本实用新型公开了一种新型防结冰霜汽车空调管，涉及汽车空调管技术领域，包括高压外管，低压内管，连接肋板，和添加剂装置，高压外管包括高压管体，高压管头，高压管尾，低压内管包括低压管体，低压管头和低压管尾，高压管体通过连接肋板连接有低压管体，高压管尾和低压管尾连接有温仓；本实用新型通过将同轴部分低压管路上的同轴段旋压出螺纹槽，避免在弯曲时造成二个管壁的间隙为零，增大了同轴管流通量，增加其支撑力度，飞同轴部分设置温仓进行热量交换，避免管道结冰结霜，提高空调系统工作性能，同时设有添加剂装置，可在空气中添加有助于提神醒脑的添加剂，提高驾驶安全性。 ...

Voice change determination method and device, storage medium and electronic device

The invention discloses a voice change determination method and device, a storage medium and an electronic device, and relates to the technical field of smart home, and the voice change determination method comprises the steps: controlling a voice collection assembly to carry out voice collection in a preset period, and obtaining a plurality of groups of voice signals corresponding to the preset period, the voice acquisition assembly and the intelligent device are both located in a target area; determining a spherical harmonic coefficient corresponding to the target area according to the sound pressure information of the multiple groups of voice signals, and determining an abnormal feature score of each group of voice signals in the multiple groups of voice signals through the spherical harmonic coefficient; the abnormal feature scores of the multiple sets of voice signals are analyzed according to a preset change point detection mode, so that the target moment when the voice features change ...

INFORMATION TRANSMISSION AND DATA DEMODULATION METHODS AND APPARATUSES, COMMUNICATION NODE, AND NETWORK SIDE DEVICE

Provided are information transmission and data demodulation methods and apparatuses, a communication node, and a network side device. The information transmission method comprises: a first communication node transmits a first demodulation reference signal within a first time slot, candidate positions of the first demodulation reference signal within the first time slot at least partially overlapping with candidate positions of a second demodulation reference signal within a second time slot, the second time slot being a time slot within which a second communication node transmits the second demodulation reference signal, the transmission direction of the first demodulation reference signal within the first time slot being different from the transmission direction of the second demodulation reference signal within the second time slot.

River section high-precision measuring mechanism

The utility model relates to the technical field of river channel measurement assistance, discloses a river section high-precision measurement mechanism, and solves the problems that a river section measurement device in the current market cannot be kept horizontal during measurement, so that a certain measurement error is caused, the measurement is not accurate enough, and the measurement accuracy is high. The river width measuring device comprises two measuring cases, rotating supports are fixedly mounted in the two measuring cases, rotating shaft rods are rotatably connected into the two rotating supports, gears fixedly sleeve the outsides of the two rotating shaft rods, the rotating shaft rods are fixedly connected with the rotating supports, and the gears are fixedly connected with the rotating shaft rods in a sleeved mode. A rack plate is connected inside the two measuring cases in a sliding mode, and one side of the rack plate is connected with the exteriors of the two gears in a ...

Drillable casing cement float collar float shoe

The invention relates to the technical field of well cementation, and provides a drillable casing cement float collar float shoe which comprises a shell and first internal threads arranged on the inner wall of the shell and used for being connected with external equipment in a matched mode, a connecting opening is formed in the inner wall of the shell, second internal threads are arranged on the inner wall of the connecting opening, an upper shell is arranged on the inner wall of the connecting opening, and a lower shell is arranged on the inner wall of the upper shell. The inner wall of the shell is in threaded connection with a base pipe, and the outer surface of the base pipe is provided with second external threads used for being connected with external equipment in a matched mode. The float collar is reasonable in structure, when the float shoe needs to be used, the shell is in threaded connection with external equipment through the first internal thread, at the moment, the upper shell ...

Method for manufacturing drawn and thinned can, and drawn and thinned can

The purpose of the present invention is to suppress the occurrence of coating film defects during molding and the occurrence of coating film peeling due to heat treatment after molding, even when a coated metal plate having a coating film mainly composed of a polyester resin having a high glass transition temperature and excellent flavor adsorption resistance is used. This method for manufacturing a drawn and thinned can is a method for manufacturing a drawn and thinned can obtained by drawing and thinning a coated metal plate having an inner surface coating film on at least the surface that serves as the inner surface of the can, the glass transition temperature (Tg) of a polyester resin contained in the inner surface coating film being 55 DEG C or higher, and the glass transition temperature (Tg) of a polyester resin contained in the inner surface coating film being 55 DEG C or higher. The reduction rate in the drawing and reduction process is 40% or more, and the processing speed during ...

Land space planning current situation evaluation method

The invention belongs to the technical field of space planning evaluation, particularly relates to a land space planning current situation evaluation method, and provides the following scheme aiming at the problems of inaccurate evaluation result, large evaluation error, long planning evaluation period, incapability of updating information data in time, low evaluation efficiency, high early-stage construction cost and the like in the current technology. Comprising the following steps: S1, pre-evaluating the current situation of a land space, and determining evaluation indexes; s2, determining a land space planning evaluation scheme, and performing risk evaluation; by adopting the GPS/PDA land survey operation system integrating VRS/RTK, the influence caused by measurement errors is reduced, the operation efficiency is high, manpower and material resources are saved, the measurement working efficiency is improved, the measurement period is shortened, the remote sensing technology is adopted ...

METHOD FOR TRANSMITTING INFORMATION ELEMENT, COMMUNICATION NODE, SYSTEM AND STORAGE MEDIUM

Disclosed herein are a method for transmitting an information element, a communication node, a system, and a storage medium, the method comprising: a first communication node performing at least one of the following: the first communication node sending capability information to a second communication node; the first communication node receiving parameter information for an information element configured by the second communication node; the first communication node receiving a channel feature hypothesis for the information element configured by the second communication node; the first communication node determining a manner of receiving the information element according to at least one of the following: the capability information, the parameter information, and the channel feature hypothesis for the information element, wherein the information element comprises at least one of the following: Q1 reference signals, Q2 data channels, and Q3 control channels, Q1, Q2 and Q3 being integers greater ...

Anti-theft safe electric meter box

The invention relates to an anti-theft safe electric meter box which comprises a box body, a door plate is hinged to the front face of the box body, a main lock groove is formed in one side of the middle of the box body, a servo motor is fixedly installed on one side of the middle of the back face of the door plate, and a gear is fixedly connected to the output shaft end of the servo motor. According to the electric meter box, the lock bolt is arranged on the inner side of the electric meter box, the situation that a thief picks and violently breaks the lock of the electric meter box from the outside can be avoided, safety is higher, when the door plate is manually pried or knocked violently and the main bolt is sawed off from the outer side, a rubber rod is prone to being broken, secondary self-locking of the door plate is completed, and meanwhile the safety of the electric meter box is improved. Due to the closing-up arrangement of the pressure relief opening, air vibration can be formed ...

Device for separating and extracting pesticide in water body

The invention discloses a device for separating and extracting pesticides in a water body, and relates to the technical field of centrifugal extraction.The device comprises an anti-deposition mechanism and a throwing heat conduction shell arranged in the middle of the inner side face of the anti-crystallization mechanism and used for stirring the water body and promoting heavy liquid separation, and the upper portion of the surface of the anti-crystallization mechanism is fixedly connected with a first guiding-out pipe; a second leading-out pipe is fixedly connected to the position, close to the middle, of the top of the anti-crystallization mechanism, heavy liquid is discharged through the first leading-out pipe, light liquid is discharged through the second leading-out pipe, and water is conveyed into the tank body through a liquid inlet pipe. According to the device for separating and extracting the pesticide in the water body, conduction oil is conveyed to the position, away from the ...

Anti-streptococcus iniae disease SNP (Single Nucleotide Polymorphism) molecular marker of sparus latus and application of molecular marker

The invention discloses an anti-streptococcus iniae disease SNP (Single Nucleotide Polymorphism) molecular marker of sparus latus. The sequence of the SNP molecular marker is as shown in SEQ ID NO: 1; the nucleotide sequence of the SNP molecular marker is SEQ ID NO: 1, and the basic group N at the 201st site from the 5'end of the sequence shown as SEQ ID NO: 1 is T or G. The invention also discloses a primer for amplifying the SNP molecular marker, and application of the SNP molecular marker or the primer in identification of the echinacea laevis with streptococcus iniae resistance, and application of the SNP molecular marker or the primer in identification of the echinacea laevis with streptococcus iniae resistance. According to the invention, the method can be used for early selection of the breeding material of the sparus latus, and the efficiency and accuracy of breeding the variety of the sparus latus capable of resisting the streptococcus iniae are effectively improved, and the method ...

Cerebrospinal fluid drainage device

The invention discloses a cerebrospinal fluid drainage device, and belongs to the technical field of medical instruments, the cerebrospinal fluid drainage device comprises a tube body communicated with a drainage tube, a control mechanism and a flow sensor, the control mechanism and the flow sensor are sequentially arranged on the tube body, the control mechanism is arranged at the upstream of the flow sensor, and the control mechanism and the flow sensor are in signal connection with a controller; the control mechanism comprises an adjusting device, a driving device and a supporting structure, the supporting structure communicates with the pipe body, and the adjusting device and the driving device are sequentially arranged in the supporting structure from top to bottom in the height direction of the supporting structure; the adjusting device comprises a plugging piece, an adjusting needle, a pressure sensor and a spring, the plugging piece is arranged below the supporting structure inlet ...

TRT stationary blade control device

The invention relates to a TRT static blade control device which comprises a control valve, a control valve servo controller, a control valve electro-hydraulic servo valve, a static blade position sensor and a TRT unit control system. According to the TRT stationary blade control device, the opening degree of the TRT stationary blade can be effectively limited in a safe and efficient area, meanwhile, the safety and stability of the TRT stationary blade on blast furnace top pressure control are not affected, and the core of the TRT stationary blade control device is to improve the TRT power generation efficiency and prolong the service life of the TRT blade; the control loop of the TRT stationary blade control device can be perfectly fused with an existing blast furnace top pressure PID control loop, the TRT stationary blade control loop is only in an online monitoring state when the TRT stationary blade operates in a safe and efficient area, and the TRT stationary blade control loop can ...

Processing image data by prioritizing layer attributes

Certain aspects of the present disclosure provide methods and apparatus for processing a plurality of layers of image data corresponding to a frame configured to be displayed on a display, the plurality of layers including: a first subset of layers having respective bit depths less than or equal to a threshold; and a second subset of layers having a respective bit depth greater than the threshold. The method includes performing, by a first processor, a synthesis process on at least one first layer of a first subset of layers based on the at least one first layer having a respective bit depth less than or equal to a threshold. The method further includes performing, by the second processor, a synthesis process on at least one second layer of the second subset of layers based on the at least one second layer having a respective bit depth greater than a threshold.

Barb pile and construction method thereof

The invention relates to the technical field of constructional engineering, in particular to a barb pile which comprises an outer pile body and an inner pile body, the inner pile body is slidably connected to the interior of the outer pile body, a barb part is arranged on the outer wall of the outer pile body and comprises a plurality of long barbs and a plurality of short barbs, and the long barbs and the short barbs are arranged on the outer wall of the outer pile body. The multiple long barbs are movably installed on the outer wall of the outer pile body, and the multiple short barbs are fixedly installed on the outer wall of the outer pile body. An abutting portion is arranged on the outer wall of the inner pile body. According to the barb pile and the construction method thereof, the barb pile can be inserted into a deep soil body more easily, the short barbs and the long barbs are combined to form complete components which are activated and matched with each other, and the bearing ...

QPQ production process based on repairing and strengthening treatment technology

The invention discloses a QPQ production process based on a repairing and strengthening treatment technology. The production process comprises the following steps: step 1, pretreating the surface of a test piece to obtain a to-be-treated surface; secondly, the surface to be treated in the first step is placed in a nitriding furnace to be subjected to nitriding treatment, and a reinforced surface is obtained; bath salt used in nitriding treatment is composed of nitriding salt, adjusting salt and a permeation promoter, the mass ratio of the nitriding salt to the adjusting salt to the permeation promoter is (3-5): (4-6.5): 1, and the content of cyanate radicals in the bath salt is 22-32%; and thirdly, the enhanced surface in the second step is placed in an oxidation furnace to be subjected to oxidation treatment, and the QPQ heat treatment surface is obtained after the enhanced surface is cooled to the room temperature. According to the method, before QPQ treatment, ultrasonic shot blasting ...

SMART HOME SYSTEM

Disclosed is a smart home system, comprising: a cloud platform, a terminal connected to the cloud platform and a camera device, wherein the cloud platform is used for receiving a monitoring trigger message and sending a capturing request message to the camera device according to the monitoring trigger message; the camera device is used for carrying out capturing in response to the capturing request message, obtaining a first video file, and sending a capturing response message to the cloud platform; the cloud platform is also used for sending a capturing completion message to the terminal according to the capturing response message; and the terminal is used for calling the first video file to for monitoring on the basis of the capturing completion message.

JUNK PICTURE FILE IDENTIFICATION METHOD, APPARATUS, AND ELECTRONIC DEVICE

Disclosed in the present invention are a junk picture file identification method, apparatus, and electronic device, the junk picture file identification method comprising: acquiring the storage path of a picture file; acquiring the file name characteristics of the file in the storage path; and on the basis of the file name characteristics, determining whether the file in the storage path is a junk picture file. The junk picture file identification method in the embodiments of the present invention implements automatic identification of junk picture files, and the identification is highly effective and accurate; clean-up of junk picture files can therefore be more effectively and precisely implemented, increasing the storage room of a terminal device, and thus increasing the smoothness and corresponding speed of the system, and improving the user experience.

IMAGE PROCESSING METHOD AND DEVICE

An image processing method and device, wherein the image processing method comprises: calculating, according to a clarity of a detection area of an inputted image, a sensitivity of a background model, the sensitivity being negatively correlated with the clarity when the clarity is within a first preset range; processing each pixel in the inputted image, wherein a step of processing one pixel comprises: calculating a distance between the one pixel and each sample point in a background sample set corresponding to the one pixel in the background model, when the distance between the one pixel and at least a first preset quantity of the sample points is less than a preset first threshold, determining the one pixel as a background pixel in the inputted image; the first threshold being determined according to the sensitivity, the sensitivity being negatively and linearly correlated with the first threshold. The device in the embodiment defines the sensitivity of a background model in the VIBE ...

METHOD AND DEVICE FOR PROCESSING QUASI-COLOCATION INFORMATION

Provided in the present invention are a method and device for processing quasi-colocation information. The method comprises: a base station divides M demodulation pilot ports into N demodulation pilot port groups G1, …, and GN, where N1 demodulation port groups are signal demodulation port groups, N2 demodulation port groups are scrambling demodulation port groups, M, N1, and N2 are positive integers, and 1 < N ≤ M; and the base station transmits quasi-colocation information of the N demodulation pilot port groups to a terminal. The described technical solution solves the problem in the prior art in which the terminal cannot acquire quasi-colocation parameter information of an interfering DMRS and, as a result, cannot acquire the time offset and frequency offset of an interfering channel and correct the time offset and frequency offset of the frequency interfering with DMRS estimation, thus allowing the terminal to accurately acquire the quasi-colocation information of an interference and ...

SWITCHING METHOD AND DEVICE FOR CUSTOMER PREMISES EQUIPMENT (CPE) OPERATING MANNER

Disclosed are a switching method and device for a customer premises equipment (CPE) operating manner. The method comprises: receiving an operation instruction conducted by a user on a designated button in a CPE, and according to the operation instruction, switching a CPE operating manner to a CPE operating manner corresponding to the instruction. By means of the present invention, the problem in the prior art that the switching difficulty of a CPE operating manner is relatively high is solved, thereby achieving the effects that the switching process of the CPE operating manner is simple, direct and reliable, and the user experience is improved.

Hierarchical sound wave information pushing system based on user track prediction

The invention belongs to the field of network communication, and relates to a layered sound wave information pushing system based on user track prediction. The working process of the pushing system is as follows: a mobile device sends an ID address to a pushing device, a pushing receiving module of the pushing device receives the ID address, position information of the mobile device is obtained according to measurement of a distance measuring module, and the position information and information such as pushing information and priority codes in a data storage and generation module are transmitted to a feedback module; the feedback module encapsulates the information into data, and the pushing and sending module modulates the data to a specific sound wave frequency band and sends the data to the mobile receiving module of the mobile device. And the information processing module of the mobile device sorts the pushed information, the output and display module displays the sorted information ...

High-purity ningnanmycin standard substance and preparation method thereof

The invention relates to a high-purity ningnanmycin standard substance and a preparation method thereof. A ningnanmycin aqueous solution is sequentially subjected to the steps of strong acidic ion resin adsorption separation, separation gel separation impurity removal, desalination gel desalination and the like to obtain the ningnanmycin standard substance with the purity being greater than or equal to 98%. The method can be applied to quality detection of ningnanmycin in current enterprise production, fills the blank of ningnanmycin reference substances at present, greatly reduces the quality control cost of ningnanmycin, effectively solves the phenomenon of uneven quality of ningnanmycin, and is beneficial to enhancing the sustainable development of biopesticide enterprises.

Method and system for sun-sun calculation model of inter-satellite link

The embodiment of the invention discloses a method and a system for a solar-on-sun calculation model of an inter-satellite link. The method comprises the steps that the Kepler osculating orbital element number and the equatorial longitude and the equatorial latitude of the sun are obtained; according to the Kepler osculating orbits and the equatorial longitude and the equatorial latitude of the sun, the angles among the satellite, the earth center and the day center are calculated; whether the angle is larger than a first threshold value or not is judged, and when the angle is larger than the first threshold value, the included angle between a first connecting line and a second connecting line is calculated; whether the included angle is larger than a second threshold value or not is judged, and when the included angle is larger than the second threshold value, it is judged that sunshine occurs, and a sunshine judgment flag bit is output. The method can be used for real-time analysis and ...

Method and system for improving living historical street human settlement environment

The invention discloses a living historical street human settlement environment improvement method and system. The method comprises the following steps: constructing a streetscape database according to streetscape image data; acquiring a statistical result of the first questionnaire and physiological signal data of the user in the process that the user watches the images in the street view database; constructing an evaluation system by combining pre-constructed indexes according to the acquired data, and calculating the weight of each index; according to the weight of each index, screening the index of which the weight is greater than a set threshold value as a key index; setting streetscape images corresponding to a plurality of candidate improvement schemes for each key index; acquiring a statistical result of a second questionnaire and physiological signal data of the user in a process that the user watches the streetscape image corresponding to the candidate improvement scheme; and ...

Method, system and equipment for establishing cognitive calculation and decision-making model based on rule set and medium

The invention provides a method, system and equipment for establishing a cognitive calculation and decision-making model based on a rule set and a medium, and the method comprises the following steps: collecting traffic sign pictures, and compiling rule statements for each sign according to the meaning of the sign; detecting and identifying the traffic sign based on a target detection algorithm model capable of automatically learning the size of an anchoring frame to adapt to picture zooming; calculating a prerequisite attribute matching degree and a rule activation weight according to a detection result, and constructing a current intersection picture rule set; integrated reasoning is completed on rules in the rule set in combination with ER algorithm calculation, and a decision result is obtained; according to the method, the rules are represented in a confidence rule form, the confidence rule base is constructed, confidence coefficients are added to the confidence rules on the basis ...

Integration method for reducing number of layers of packaging substrate by using RDL technology

The invention relates to an integration method for reducing the number of layers of a packaging substrate by adopting an RDL technology, and belongs to the field of microsystem packaging integration. According to the method, two or more bare chips which adopt the RDL layer to reduce the interconnection density of the substrate in an optimal signal path mode are determined according to the correlation degree of interconnection relations among multiple chips in a microsystem product, and routing of the RDL layer is designed and developed; placing the chips which are determined to be processed by the RDL layer into a carrier, processing the RDL layer by adopting a chip photoetching process, interconnecting interconnection signals between the two chips by using the RDL layer, and forming a Pad point on the RDL layer by signals which need to be led out by the two or more chips; microsystem integration design is carried out again according to the combined chip with the RDL layer, so that the ...

MATRIXING METHOD FOR AUTOMATICALLY DETERMINING LOGIC OF LAST CIRCUIT BREAKER

A matrixing method for automatically determining a logic of a last circuit breaker. The method comprising the following steps: step 1. establishing an alternating current field topology matrix; step 2. constructing a connectivity matrix; step 3. constructing a node attribute matrix; step 4. calculating an alternating current field state matrix; and step 5. a determination basis: step 51. when the conditions that an element equal to X exists in any row of the alternating current field state matrix and the row contains an element equal to Y and an element equal to Z are satisfied; step 52. acquiring a new alternating current field state matrix corresponding to the disconnected circuit breaker compartment; and step 53. when the conditions that an element equal to X exists in any row of the new alternating current field state matrix and the row contains an element equal to Y and an element equal to Z are not satisfied, determining that a disconnected circuit breaker compartment is the last ...

METHOD AND SYSTEM FOR AUTOMATICALLY RECHARGING IC CARD

The present invention relates to the field of IC card payment, and provides a method and system for automatically recharging an IC card. The method comprises: setting an automatic recharge associated account of an IC card, and storing associated information in a background clearing system of the IC card, the IC card having an overdraft function, and the automatic recharge associated account referring to a payment account in which an IC card user allows the background clearing system of the IC card to automatically settle overdraft consumption of the IC card; the IC card communicating with a card-reading consumption terminal to complete IC card payment; automatically pre-charging the IC card according to a set pre-charge amount when the balance in the IC card is less than a preset recharge threshold; and the background clearing system of the IC card completing automatic settlement in the automatic recharge associated account according to the number of times the IC card is automatically pre-charged ...

USB NETWORK CARD ACCESS METHOD, USB NETWORK CARD AND PC

A USB network card access method, a USB network card and a PC. The method comprises: after accessing a PC to conduct a power-on operation, a USB network card reporting a device descriptor and a configuration descriptor according to a request of the PC; and the PC receiving same, selecting configuration information which supports the current operating system according to the device descriptor and the configuration descriptor, and loading a device drive corresponding to the configuration information. The embodiments of the present invention can solve the problem of accessing a wireless network but needing to conduct file installation and mode switching in the abovementioned drive-free solution, thereby improving the user experience.

Rice hull carbon-based microbial fertilizer and preparation method and application thereof

... 种稻壳炭基菌肥及制备方法及应用，涉及种菌肥及制备方法及应用。本发明为了解决现有的菌肥施用后因为微生物含量低、微生物活性差、微生物竞争力弱进而造成的农作物产量低问题。稻壳炭基菌肥由50～70％的稻壳生物炭、9～11％的有益微生物复合菌剂、9～11％的粘结剂和余量的营养元素组成。制备：、稻壳生物炭的加工；二、营养元素的预处理；三、菌剂复配；四、稻壳炭基菌肥制备。应用：按质量为3％～5％的添加量添加至化学肥料中混合使用。该稻壳炭基菌肥给益生菌提供了完美的栖息场所，会刺激作物生长，调节作物新陈代谢，产生增产明显，肥效持久，作物亩产量提高8％～23％。本发明适用于稻壳炭基菌肥的制备方法和应用。 ...

Automatic shooting method and system

The invention relates to the technical field of medical detection, and discloses an automatic shooting method and system. The automatic shooting method comprises the steps that the breathing machine and the mobile shooting machine are networked, and the breathing machine obtains identification information of equipment of the breathing machine and index information associated with the equipment of the breathing machine and uploads communication identification information and the index information to a background management system; the background management system generates a communication identifier index list; the mobile shooting machine is paired with the specified breathing machine based on the index information or the breathing machine identification information and establishes communication connection with the specified breathing machine; the mobile shooting machine sends a shooting request to the breathing machine; when the breathing machine detects that the patient is in the preset ...

Preparation method of cellulose nanocrystal

The invention provides a preparation method of cellulose nanocrystals, and belongs to the technical field of cellulose preparation. The preparation method comprises the following steps: cleaning, drying and crushing rice straws in sequence to obtain rice straw powder; mixing the rice straw powder with a leaching solution, and leaching to obtain solid powder; sequentially soaking the solid powder in a sodium chlorite aqueous solution and an inorganic alkaline substance aqueous solution, and performing freeze drying to obtain cellulose; and hydrolyzing the cellulose in a hydrolysis system to obtain the cellulose nanocrystal. An organic acid-sulfuric acid mixed system is adopted for hydrolysis, and compared with a pure sulfuric acid method, the method has the advantages that the environmental pollution is small, the waste liquid volume is small, the disintegrating slag generation rate can be greatly reduced, and the preparation process is safe.

FOLDABLE ELECTRONIC DEVICE FOR MULTI-VIEW IMAGE CAPTURE

Methods, systems, and apparatus are provided for automatically adjusting the position of an image sensor and generating a multi-view image based on image data captured from the image sensor. For example, an image capture device includes a housing including a first housing portion and a second housing portion, with a first sensor coupled to the first housing portion and a second sensor coupled to the second housing portion. A coupling device, such as a hinge, couples the first housing portion to the second housing portion. The image capture device obtains image data from the first sensor and the second sensor, and determines an object depth based on the obtained image data. The image capture device outputs the adjusted angle based on the object depth, and obtains additional image data from the first sensor and the second sensor. The image capture device generates a multi-view image based on the additional image data.

Unmanned forklift and working method thereof

The invention provides an unmanned forklift and a working method of the unmanned forklift, and relates to the field of material transportation. The unmanned forklift comprises a chassis, fork teeth, a bearing platform and a fixing part, the bearing platform is fixed to the chassis, the fixing part is fixed to the side portion of the chassis, and the fork teeth are slidably connected with the fixing part so that the fork teeth can move between a first height and a second height. The orthographic projection of the prongs on the chassis is located in the chassis, and the orthographic projection of the prongs on the chassis does not coincide with the orthographic projection of the bearing platform on the chassis. When the prongs are located at the first height, the prongs are higher than the bearing platform; and when the fork teeth are located at the second height, the fork teeth are lower than the bearing platform. When the unmanned forklift turns, the risk that cargos borne on the pallet ...

INTELLIGENT DEVICE CONTROL METHOD, APPARATUS AND DEVICE FOR INTERNET OF THINGS

Provided are an intelligent device control method, apparatus and device for the Internet of things. The method comprises: a cloud device sending a first message to an intelligent device, wherein the first message comprises an action identifier; and receiving a second message returned by the intelligent device, wherein the second message comprises the action identifier and an action state, and the action state is used for indicating an action execution condition of the intelligent device for the first message. Compared with the method for using a traditional communication protocol to realize interaction between a cloud end and an intelligent device, the present invention is more simple and convenient.

ICON DRAGGING METHOD AND DEVICE

Provided is an icon dragging method and device, the method comprising: a mobile terminal receives a user request for selecting multiple icons to drag, and records relevant information of the multiple icons selected by the user; the mobile terminal, upon detecting an operation of the user dragging the multiple icons, drags the multiple icons according to the operation and the relevant information of the multiple icons. The present invention solves the problem in the relevant art that the mobile terminal can only select one icon to drag, thus improving user experience.

FEEDBACK METHOD AND DEVICE FOR CHANNEL INFORMATION

Provided in embodiments of the present invention are a method and a device for feeding back channel information, the method comprising: determining a set of channel measurement resources, the set of channel measurement resources comprising M channel measurement resources, wherein M is a positive integer; performing channel measurement on the M channel measurement resources; selecting N channel measurement resources from among the M channel measurement resources according to the channel measurement result, wherein N is a positive integer, and N≤M; and feeding back indication information of the selected N channel measurement resources. The embodiments of the present invention may solve the problem in the relevant technologies wherein a technology for channel measurement and resource selection is incapable of effectively corresponding to multiple paths, leading to low system robustness and transmission efficiency. Thus, when selecting channel measurement resources, it is possible to correspond ...

Can be at simple and easy four drive vehicle of ground and wall motion

... 本实用新型公开了一种能够在地面和壁面运动的简易四驱车，包括车架、设置在车架上的四个车轮、动力系统和四驱系统，其结构中还包括固定设置在所述车架上并与车架平行的固定风扇、横向设置在车架上的调节轴和固定安装在调节轴上的可调风扇，所述调节轴由步进电机驱动。本实用新型通过固定风扇和可调风扇的配合，为车架提供下压力和提升力，使本实用新型的四驱车不仅能够在平面上平稳运动，而且能够在竖直的壁面上运动，便于用在壁面探测、向高空运载工具和携带摄像机进行特殊角度的拍摄等方面。 ...

Negative pole piece, electrochemical device and electronic device

The invention provides a negative pole piece, an electrochemical device and an electronic device.The negative pole piece comprises a negative current collector and a negative active material layer arranged on at least one surface of the negative current collector, the negative active material layer comprises a negative active material, and the negative active material comprises graphite and niobium composite metal oxide; the niobium composite metal oxide comprises at least one of compounds with the molecular formula of TxNbyMzOa; the mass ratio of the niobium composite metal oxide to the graphite is (5-50): (50-95). The electrochemical device adopting the negative pole piece disclosed by the invention has good comprehensive performance.

Exosome efficient preparation system and method

The invention discloses an efficient exosome preparation system and method.The efficient exosome preparation system comprises a constant-temperature box and three reagent bottles arranged in the constant-temperature box, and an electric telescopic rod is fixedly installed at the top of the constant-temperature box. According to the efficient exosome preparation system and method, a reagent bottle is limited in the circumferential direction through cooperation of an iron square plate and a square groove, under the arrangement of an electric telescopic rod and a hanging plate, the reagent bottle is limited in the vertical direction in cooperation with arrangement of a covering cylinder and a transparent square ring, it is guaranteed that when a driving motor rotates, the reagent bottle can be driven to effectively rotate, and the efficiency of preparing the exosome is improved. The liquid level adjusting assembly, the blocking plate and the liquid outlet pipe are arranged, after centrifugation ...

WIRELESS CONTROL METHOD, DEVICE AND SYSTEM

A wireless control method, device and system, the method being used for wireless internet access equipment and comprising: when receiving a control instruction, determining a first channel in response to the control instruction; the first channel is a wireless control channel different from a channel used to transmit service data of internet access service; gathering and analyzing sensed data generated by the operation of a wireless internet access equipment, and converting the sensed data to a control signal; transmitting the control signal via the first channel.

METHOD FOR SOLDERING LABEL ONTO BAR

A method for soldering a label onto a bar, comprising the following steps: filter out an unaligned bar from an image by lighting bars in a bar bundle using oblique light; determine plane coordinates of a bar by means of a camera, measure the depth of the bar by means of a laser range finder, and then obtain spatial coordinates of the bar; a computer determines a label soldering point on the bar, and a robot moves to a corresponding position; the laser range finder measures the distance between the robot and the bar, and determines spatial coordinates of an end surface of the bar in combination with the plane coordinates obtained by the camera, and the robot solders a label. According to the soldering method, a label soldering position is determined by means of vision positioning, and thus, manual work and potential safety risk are reduced, and labels can be soldered orderly and more firmly and are difficult to come off.

SCHEDULING SUBBAND ALLOCATION METHOD AND APPARATUS, AND DEVICE AND READABLE STORAGE MEDIUM

Disclosed are a scheduling subband allocation method and apparatus, and a device and a readable storage medium. The method comprises: receiving downlink control information (DCI) sent by a base station, and determining scheduling subbands in a physical uplink shared channel (PUSCH); and establishing a correlation between precoding indications in the DCI and the scheduling subbands in the PUSCH according to at least one parameter of the total number of scheduling subbands in the PUSCH and the total frequency domain distance of the scheduling subbands in the PUSCH and according to the total number of precoding indications in the DCI.

FOUR-ROPE GRAB BUCKET SLAG MATERIAL GRABBING SYSTEM AND METHOD

A four-rope grab bucket slag material grabbing system and a control method thereof. The grabbing system comprises a computer (1), a PLC (2), a lifting frequency converter (3), an incremental encoder A (5), an opening-closing frequency converter (6), an incremental encoder B (8), a cart and trolley positioning device (11), a twisted rope detecting device (12), an overload limiter (13), a cart travelling motor (14), a trolley travelling motor (15), a runway girder (16), a travelling crane trolley (17), and a grab bucket (21), wherein the travelling crane trolley (17) is slidably connected to the runway girder (16); and the PLC (2) and the computer (1) implement data exchange by means of a wired or wireless communication mode. Compared with the existing manual operation, the present invention can still carry out safe operation under a condition that heavy fog or water vapor affects the sight line, so as to reduce potential safety hazard and prevent a worker from operation under sulfur-containing ...

Active peptide with ACE (angiotensin converting enzyme) inhibitory activity as well as screening method and application thereof

The invention discloses an active peptide with ACE (angiotensin converting enzyme) inhibitory activity as well as a screening method and application thereof, and relates to the technical field of food drinks. The active peptide with a specific amino acid sequence has high ACE inhibitory activity, and the IC50 value of the active peptide is 0.31-1.93 mg/mL. The bioactive peptide has no toxic or side effect on the cellular level, and has the characteristics of small molecular weight, safety, stability, easiness in absorption and the like. The active peptide can be used for preparing ACE (angiotensin converting enzyme) inhibition drugs for preventing or treating hypertension, or can be used as a functional food additive for preparing health-care foods for assisting in lowering blood pressure for long-term health-care use of hypertensive patients.

Cooperative positioning method and device, computer equipment and computer readable storage medium

The embodiment of the invention provides a cooperative positioning method, apparatus and device, and a computer readable storage medium, and the method comprises the steps: for a to-be-positioned mobile terminal in a long and narrow space, using an AP started in an effective distance measurement range of the mobile terminal, performing preliminary prediction on the position of the mobile terminal based on a robust adaptive Kalman filtering algorithm; adjusting the preliminary prediction result based on the offset function and the fluctuation function of each AP, and taking the adjustment result as the final positioning result of the mobile terminal; wherein the deviation function and the fluctuation function of the AP are obtained through pre-fitting according to historical data. According to the embodiment of the invention, the positioning performance under the linear coverage condition of the positioning AP in the long and narrow terrain can be optimized, and the positioning accuracy ...

RESPONSE PROCESSING, RESPONSE CONFIGURATION, INFORMATION TRANSMISSION METHODS AND APPARATUSES, TERMINAL AND BASE STATION

Provided in embodiments of the present invention are response processing, response configuration, and information transmission methods and apparatuses, a terminal, and a base station. The response processing method comprises: a receiving end detects physical layer control information; the receiving end determines whether it is needed to respond to a sending end according to predetermined information or configuration signaling of the base station; when the determining result is yes, the receiving end sends a physical layer response signaling to the sending end. Through the embodiments of the present invention, the problem caused by loss of control information in high frequency communication based on beam transmission in the related art can be solved.

INFORMATION TRANSMISSION METHOD AND APPARATUS, AND ELECTRONIC DEVICE

Provided are an information transmission method and apparatus, and an electronic device. The information transmission method comprises: obtaining information used for determining at least one configuration within code block groups and code blocks; determining at least one configuration within the code block groups and the code blocks according to the information; performing information transmission according to the at least one configuration within the code block groups and the code blocks.

Visual LFD-RPA kit for trichomonad and preparation method of visual LFD-RPA kit

The invention discloses a trichomonad visual LFD-RPA kit and a preparation method thereof, a trichomonad 16S rRNA gene is taken as a target gene, a specific primer and a probe are designed and screened, a trichomonad LFD-RPA visual rapid nucleic acid detection method is established, an RPA isothermal amplification principle is combined with a lateral flow chromatography test strip to establish a trichomonad infection nucleic acid detection technology, and the trichomonad visual LFD-RPA kit has the advantages of high specificity, high specificity, high sensitivity and high sensitivity. The visual rapid sensitive method for detecting the trichomonad of the mouse is established, does not depend on a large instrument, and realizes rapid and easy-to-operate detection.

Ship rapid berthing and docking system

The invention relates to the technical field of ship berthing, in particular to a ship rapid berthing and docking system which is composed of a plurality of ship berthing rapid stabilizers linearly arranged along a wharf shoreline. The rapid stabilizer for ship docking comprises a supporting frame, a guiding unit, a buffering unit, a floating box and a vacuum generating device. The supporting frame is fixedly placed on a wharf shore. The floating box is loaded by the supporting frame and can perform small-distance displacement movement in the vertical direction under the synergistic effect of the guiding unit and the buffering unit. And a vacuum generating device for adsorbing the side wall of the ship is assembled with the floating box. Therefore, on one hand, the time length and the cost required by ship berthing are both reduced; on the other hand, even if the ship is influenced by various adverse factors such as load change, wind power, surge and the like, the ship which is berthed ...

Medical information registration management method and device, medium and equipment

The invention provides a medical information registration management method and device, a medium and equipment, which are applied to a medical information processing platform, a disease data registration template is newly added or modified through a management background end with a modification authority, and the disease data registration template is synchronized to a doctor user end. The data synchronization request comprises a data association request for requesting to synchronize similar disease item data with a plurality of doctor clients; in response to the data synchronization request, creating a disease data registration template; and sending the disease data registration template to the doctor user side, so that the doctor user side of the corresponding pathological item can use the more adaptive disease data registration template to register information. In addition, a detection result returned by the laboratory end is stored in an inspection registration template sent by the doctor ...

Power distribution network fault prediction processing method and device, equipment and storage medium

The invention belongs to the technical field of power distribution network fault prediction, and particularly provides a power distribution network fault prediction processing method and device, equipment and a storage medium, and the method comprises the following steps: obtaining node data collected by each sensor in a power distribution network, and carrying out the clock synchronization calibration of the obtained node data; performing data analysis on the calibrated effective data, and comparing an analysis result with a set safety threshold range; if the data are not within the safety threshold range, calculating a multiplicative value of each node data and a preset reference value; substituting the calculated multiple value into a fault probability model to obtain a fault probability; and performing abnormity judgment according to the fault probability, and sending an early warning signal generated by the node data, the node identification number and the positioning information to ...

Multi-center medical image segmentation method and system based on deep learning

The invention provides a multi-center medical image segmentation method and system based on deep learning, and belongs to the technical field of machine learning, medical internet of things and information encryption transmission, and the multi-center medical image segmentation method comprises the steps: obtaining a to-be-segmented medical image; encrypting the medical image to be segmented by using the image encryption key to obtain an image ciphertext; segmenting the image ciphertext based on a pre-trained image self-segmentation network to obtain a mask ciphertext; the image self-segmentation network is obtained by training by adopting a training sample set in advance; the training sample set comprises a plurality of training samples; each training sample comprises a sample image ciphertext and a corresponding sample mask ciphertext; training samples in the training sample set are from a plurality of medical institutions; and decrypting the mask ciphertext by using the mask decryption ...

Distributed power supply grid-connected converter control method based on improved adaptive observer

The invention discloses a distributed power supply grid-connected converter control method based on an improved self-adaptive observer, and the method comprises the steps: inputting a collected AC power grid voltage signal into the improved self-adaptive observer, tracking a power grid voltage phase, taking an output power grid voltage phase angle as feedback, and transmitting the feedback to a converter control structure, the method is used for coordinate transformation of a converter control system so as to obtain a dq-axis voltage signal, and accurate control of the output voltage of the distributed power supply converter is realized through a double-loop control system of a current inner loop and a voltage outer loop of the converter control system. The control performance of the grid-connected converter is effectively improved, and the grid-connected point voltage frequency is quickly and accurately tracked.

METHOD AND DEVICE FOR CONFIGURING REFERENCE SIGNAL INFORMATION

The present disclosure provides a method and a device for configuring reference signal information, the method comprising: acquiring a first information set A and a second information set B, dividing the first information set A and the second information set B into N sub-sets respectively, and associating sub-set Ai of the first information set with sub-set Bi of the second information set; the elements in the first information set A being used to indicate at least one of the following: a modulation and demodulation manner and redundancy version information; the elements in the second information set B being used to indicate configuration information of a demodulation reference signal port, the demodulation reference signal port indicated by the elements in the set B belonging to one code word; and sending the first information set A and the second information set B to a second communication node.

METHOD FOR DETERMINING TRANSMISSION MODE, DATA TRANSMISSION METHOD AND APPARATUS THEREFOR, AND COMMUNICATION SYSTEM

A method for determining transmission mode, a data transmission method and apparatus therefor, and a communication system. The method for determining transmission mode comprises: a base station acquiring beam forming capability information of a user equipment (UE); the base station determining the number of downlink transmit channels allocated to the UE according to the beam forming capability information of the UE, and determining an optimal transmitting direction of a beam, the optimal transmitting direction being the transmitting direction having the best signal quality among beam transmitting directions; the base station sending a channel state information reference signal (CSI-RS) specific to the UE in the optimal transmitting direction; the base station receiving a CSI measurement report obtained by the UE by means of measuring the CSI-RS specific to the UE; and the base station determining a downlink transmission mode of the UE according to at least one of the following: the number ...

Forestry development lures worm insecticidal lamp

... 林业发展诱虫杀虫灯，属于林业发展技术领域。本实用新型的技术方案是：包括诱虫灭虫盒和置底喷药仓，其特征是在诱虫灭虫盒上侧设有诱虫剂添加盖，诱虫剂添加盖上侧设有添加盖提手，诱虫剂添加盖左右两侧设有防雨引水顶棚，诱虫剂添加盖内设有供电盒，供电盒内设有充电式干电池，充电式干电池下侧设有电池更换座，电池更换座上设有更换座拉环，诱虫灭虫盒左侧设有诱虫光照灯，诱虫光照灯左侧设有灭虫电网。本实用新型功能齐全，使用方便，在进行林业发展虫害防治时，操作灵活，使用方便，减轻了林业工作人员的负担。 ...

Lithium ion battery expansion measurement assembly, system and test method

The invention belongs to the field of lithium battery testing, and particularly relates to a lithium ion battery expansion measuring assembly, system and testing method. The lithium ion battery expansion measurement assembly comprises a lower base, a lithium battery arranged on the lower base, an upper base and an air bag tool arranged on the upper base. According to the lithium ion battery expansion measurement assembly and system provided by the invention, constant-temperature and constant-pressure loads can be accurately provided according to different experiment requirements, and meanwhile, the air bag tool is adopted to apply uniformly distributed loads to the lithium battery, so that measurement errors caused by unevenness of the surface of the lithium battery are eliminated; the measurement precision is improved; and the evolution process of the volume expansion of the lithium battery under preset temperature and pressure conditions is obtained.

Breeding house

The invention provides a breeding house which comprises a base, a house body composed of walls and a roof is arranged on the base, a plurality of breeding areas separated by partition plates are arranged in the house body, and each breeding area is divided into a feeding area and a rest area; a supporting assembly is arranged in each rest area; the feeding area is provided with a feeding trough, a feeder is arranged outside the house body, the feeder comprises a barrel, a feeding port is formed in the barrel, a first rotating shaft is rotationally arranged at the axis position of the barrel in a penetrating mode, a forward spiral pushing blade and a reverse spiral pushing blade are arranged on the first rotating shaft, a plurality of discharging ports are formed in the bottom of the barrel, and each discharging port is provided with a material pipe; a first mounting frame is arranged on the base, a first transmission roller is rotationally arranged on the first mounting frame, a second ...

CONTROL DEVICE

A control device comprises: a body housing, which is used for accommodating control components of the control device, and is a box which one end is open; a panel housing, which has a panel portion which comprises an operation interface which is faced to manipulators and is able to be operated by manipulators and a panel reverse surface opposite to the operation interface, and a bulge portion which is extruded to a direction far from the panel portion from the panel reverse surface of the panel portion and integratively formed with the panel portion, and is accommodated in the open end of the body housing, the outer peripheral wall surface of the bugle portion being placed opposite to the inner peripheral wall surface of the open end of the body housing; and an elasticity and deformability sealing ring, which is compressed by the outer peripheral wall surface of the bugle portion of the panel housing and the inner peripheral wall surface of the open end of the body housing, so as to seal ...

CACHE FOLDER IDENTIFICATION METHOD AND DEVICE

A cache folder identification method and device, the method comprising: in the process of running target software, acquiring a plurality of sample values x1, x2, …xn of the number of files in the target folder according to a preset rule, the target folder being a folder used in the process of running the target software, n≥2 (S101); according to a preset algorithm, calculating the statistical value of the plurality of sample values, the statistical value being used to represent the degree of dispersion of the sample values (S102); determining whether the statistical value is greater than a preset first threshold (S103); if so, then identifying the target folder as a cache folder (S104). The method has high identification efficiency, and can continuously monitor specific software without missing a cache folder.

REFERENCE SIGNAL TRANSMISSION AND PARAMETER SENDING METHODS, DEVICE, TERMINAL AND BASE STATION

Provided by the present application are reference signal transmission and parameter sending methods, a device, a terminal and a base station. The reference signal transmission method comprises: determining that a frequency domain position occupied by a reference signal meets a predetermined condition, wherein the predetermined condition comprises: a non-contiguous frequency band being present at the frequency domain position occupied by the reference signal; and transmitting the reference signal on the determined frequency domain position.

METHOD AND DEVICE FOR CONFIGURING DEMODULATION REFERENCE SIGNAL, COMPUTER STORAGE MEDIUM

Disclosed in the present disclosure are a method and a device for configuring a demodulation reference signal, and a computer storage medium. The method comprises: a first communication node instructs a second communication node a parameter for a demodulation reference signal through a preset signaling, wherein the parameter for the demodulation reference signal comprises at least one of the following: the type of the sequence of the demodulation reference signal, a time domain position, a pattern, a density, the length of an orthogonal code, a root sequence, a cyclic shift sequence, and the number of ports.

METHOD AND DEVICE FOR SENDING DOWNLINK CONTROL INFORMATION, AND METHOD AND DEVICE FOR DETECTING DOWNLINK CONTROL INFORMATION

Disclosed are a method and device for sending downlink control information, and a method and device for detecting downlink control information. The method for sending downlink control information comprises: a base station configures available transmission resources for multiple types of long-term downlink control information, wherein in the multiple types of long-term downlink control information, a subset relationship exists between time domain resources of available transmission resources for at least two types of long-term downlink control information; the base station sends the multiple types of long-term downlink control information on the available transmission resources.

Device for percutaneous reduction and fixation of distal femur comminuted fracture

The utility model discloses a device for percutaneous reduction and fixing of distal femur comminuted fracture, which comprises a pair of parallel pull rod and arc-shaped dial, threads are arranged at two ends of the surface of the pull rod, nuts are sleeved on the surfaces of the outer ends of the threads, and two ends of the pull rod respectively penetrate through the center of the surface of the arc-shaped dial. An arc-shaped sliding groove is formed in the surface of the arc-shaped dial, a sliding block is embedded in the arc-shaped sliding groove, a sleeve is connected to one side of the sliding block, a vertical groove hole is formed in the sleeve, and a kirschner wire is connected into the vertical groove hole in a sleeved mode. According to the utility model, the distal femur is accurately corrected to shorten the displacement malformation according to the preoperative measurement length, and the X-ray radiation damage caused by repeated reduction during the operation can be reduced ...

Microorganism low-temperature preservation solution and preservation method thereof

The invention belongs to the technical field of microorganism preservation, and relates to a microorganism low-temperature preservation solution and a preservation method thereof. The invention provides a microorganism low-temperature preservation solution. The microorganism low-temperature preservation solution is composed of a protection solution and a carrier, the protection liquid is prepared from skim milk powder, beta-cyclodextrin, glycerol and glucose; the carrier is an acrylic acid surface modified porous foam metal material. The invention also provides a preservation method of the microorganism, which can realize the conventional preservation for 30 days under the condition of-5 to 0 DEG C, the cryopreservation for 6 months under the condition of-20 to-18 DEG C and the vacuum freeze-drying preservation for 12 months under the condition of-90 to-80 DEG C.

Substructure integration technology jointly stressed with main body structure

The invention relates to a substructure integration technology jointly stressed with a main body structure, mainly comprising a main structure, a substructure, a connecting piece and a connecting bolt, the perfect combination of the main body structure and the substructure can be realized in an assembly type integrated bamboo building or decoration, and the substructure is jointly stressed with the main body structure while the self structural functionality is embodied. Relates to the field of fabricated wood structure buildings. On the basis of an assembly type integrated bamboo building, standardized rod pieces universal for a main body structure and a sub-structure are combined with an original frame of the main body structure, the sub-structures such as constructional columns, beams, stairs, railings, furniture and suspended ceilings are designed and combined, and the main body structure is firmer and more reliable by assisting stress of the main body structure. In addition, the universality ...

Preparation method and application of anti-crack nickel-based superalloy powder

The invention provides a preparation method of anti-crack nickel-based high-temperature alloy powder, which comprises the following steps of: mixing nickel-based high-temperature alloy powder and carbide powder in a high-speed coulter mixer according to a mass ratio of (98.5-99.5): (0.5-1.5); the high-speed coulter mixer is stopped for 25-60 min after rotating for 4-8 min, the operation is repeated for 2-4 times, and the anti-crack nickel-based high-temperature alloy powder is obtained; the rotating speed of the coulter of the high-speed coulter mixer is 1000 to 3000 r/min. According to the preparation method of the anti-crack nickel-based high-temperature alloy powder, the anti-crack nickel-based high-temperature alloy powder capable of accurately regulating and controlling the content of alloy elements can be prepared through the application of the anti-crack nickel-based high-temperature alloy.

Vehicle motion state detection device and method and electronic equipment

The embodiment of the invention provides a vehicle motion state detection device and method and electronic equipment. The device comprises a first detection unit which is used for carrying out vehicle detection on a current frame of a monitoring video to obtain a vehicle detection result; the matching unit is used for matching the vehicle detection result with a vehicle track determined before the current frame to obtain a parking candidate track of the current frame; the duplicate removal unit is used for removing repeated parking candidate tracks in the parking candidate tracks to obtain parking candidate tracks after duplicate removal; and a second detection unit for detecting whether the vehicle is in a parked state based on the parking candidate trajectory that has been de-duplicated and satisfies a first condition that the duration of the parking candidate trajectory is between a first threshold and a second threshold, and according to a change in the position of the vehicle.

MOBILE COMMUNICATION TERMINAL AND TRAFFIC MONITORING DEVICE DETECTION METHOD

A mobile communication terminal and a traffic monitoring device detection method. A mobile communication terminal (10) comprises: a detector (11) configured to detect a traffic monitoring device within a region to be detected, and to acquire the position of the detected traffic monitoring device; and a prompt system (12) configured to generate prompt information according to the position.

INFORMATION PRESENTATION METHOD, VEHICLE-MOUNTED PLAYER APPARATUS, CONTROL CENTER, AND SYSTEM

An information presentation method comprises: transmitting first information to a control center, the first information comprising at least one of the following information items: positioning information, frequency information of a current radio station, information about selection of a radio station category, and multimedia request information with respect to a radio station; receiving second information transmitted by the control center, the second information comprising at least one of the following information items: traffic information, other frequency information of the current radio station, information about radio station categories, and radio station multimedia information; and presenting the second information.

AERIAL RAILWAY-BASED MULTIMODAL TRANSPORT INTERCONNECTING SYSTEM

An aerial railway-based multimodal transport interconnecting system, the system at least comprising: overpass columns, a railway system (30), a freight transport multiple-unit train (40), a transfer apparatus (32), and a processor. The transfer apparatus is used for transferring a goods loading device (33) from a transportation tool to a position under the freight transport multiple-unit train and loading same to the freight transport multiple-unit train (40), or unloading the goods loading device from the freight transport multiple-unit train and transferring same to the transportation tool. The processor is connected to the freight transport multiple-unit train (40) and the transfer apparatus (32); the railway system connects harbors with railway or aviation logistics centers; the processor controls the transfer apparatus to transfer the goods loading device, and controls the freight transport multiple-unit train to move on railway beams after the goods loading device is snap-fitted to ...

CONTAINER HIGHWAY AND RAILWAY TRANSFER SYSTEM

A container highway and railway transfer system, comprising: a lifting device (2), a lateral taking device (4), and a container lorry loading and unloading device (1). The lateral taking device (4) is used for transferring a container (6) corresponding to the position of the lifting device (2) to the position of the corresponding container lorry loading and unloading device (1), and/or transferring the container (6) corresponding to the position of the container lorry loading and unloading device (1) to the position of the corresponding lifting device (2); the lifting device (2) is used for lifting the container (6) on a railway vehicle and putting the container (6) onto the lateral taking device (4), and/or lifting the container (6) on the lateral taking device (4) and putting the container (6) onto the railway vehicle; the container lorry loading and unloading device (1) is used for lifting the container (6) on a container lorry and putting the container (6) onto the lateral taking device ...

Multi-type database configuration code generation method and device and electronic equipment

The invention provides a multi-type database configuration code generation method and device and electronic equipment. The method comprises the steps of obtaining a database type, an operation mode and operation parameters of a to-be-configured database; according to the database type and the operation mode, a preset mapping relation is inquired, and the SQL code template is determined. And performing filling generation according to the SQL code template and the operation parameters to obtain an SQL code instance corresponding to the database type and the operation mode. And according to the SQL code instance and a preset template engine, performing rendering generation to obtain a configuration code of the to-be-configured database. According to the method, the corresponding SQL code is generated according to the database type and the database operation type, then the SQL code is rendered into the database configuration template, and the database configuration code instance is generated ...

Polar region ice hole side wall coring universal robot

A polar region ice hole side wall coring universal robot belongs to the field of drilling tools and comprises a drilling tool outer pipe, a drilling tool guide pipe, a coring tool and an azimuth angle positioner, the coring tool can extend out of or retract into the drilling tool guide pipe, the coring tool comprises a hot melt drill bit, an ice core breaking device and a hose, and a bit pressure sensor is arranged between the hot melt drill bit and the ice core breaking device; the hose can be bent at will and is connected with a plurality of mechanical joints at equal intervals in the length direction of the hose, displacement sensors are arranged on the outer walls of the mechanical joints, each mechanical joint comprises a fixing ring and mechanical arms evenly arranged in the circumferential direction of the fixing ring at equal intervals, and hole wall pressure sensors are arranged between the fixing rings and the mechanical arms. The azimuth angle positioner is configured to be used ...