Production method and device of circuit board and electronic equipment

The invention provides a production method and device of a circuit board and electronic equipment. The method comprises the following steps: determining a first mapping relation table of different types of jointed boards corresponding to a first circuit board, wherein the first mapping relation table is used for representing a mapping relation between jointed board numbers of the jointed boards and finished product material numbers in an order; determining a target jointed board combination according to the first mapping relation table and the order priority; determining a first number corresponding to the target jointed board combination; and producing the first circuit board according to the target jointed board combination and the first number. The circuit board production method provided by the invention can improve the efficiency of circuit board jointed board generation.

SINGLE-WAVELENGTH 100G LIGHT MODULE AND 5G FRONTHAUL NETWORK

Disclosed a single-wavelength 100G light module. The light module comprises a light emitting unit and a light receiving unit; the light emitting unit receives a 100G/s-rate NRZ electrical signal, encodes and converts the 100G/s-rate NRZ electrical signal into a 50G/s-rate four-level electrical signal, and converts the 50G/s-rate four-level electrical signal into a 50G/s-rate PAM4 light signal and transmits same; the light receiving unit receives the 50G/s-rate PAM4 light signal, converts the 50G/s-rate PAM4 light signal into the 50G/s-rate four-level electrical signal, and decodes and converts the 50G/s-rate four-level electrical signal into the 100G/s-rate NRZ electrical signal and outputs same. The single-wavelength 100G light module of the present invention can support single-path 100Gb/s-rate transmission service, reduce the number of light devices in use, reduce the costs of the light module, and be completely compatible with the existing 100G switch interfaces.

竞速桨板

Outer cover with excellent performance and production process thereof

The invention provides an outer cap with excellent performance and a production process thereof, and belongs to the technical field of outer cappes.The outer cap with the excellent performance comprises a decorative cap body which is arranged outside a bottle cap and plays a role in decorating the bottle cap; the moving assembly is arranged in the decorative cover body and comprises a limiting plate capable of moving up and down; the alarm assembly is arranged on the decorative cover body; the mounting part is arranged on the moving assembly; and the rotating assembly is arranged on the mounting piece. The decorative cap has the beneficial effects that the moving assembly is arranged in the decorative cap body, the mounting piece is mounted on the moving assembly, the rotatable rotating assembly is mounted in the mounting piece, the rotating assembly comprises the connecting piece making contact with the top of the bottle cap, and when the rotating assembly rotates, the alarm assembly can ...

Anti-CRISPR protein AcrIIIA2SAP26 and application thereof

The invention belongs to the technical field of RNA (Ribonucleic Acid) editing, and particularly relates to a CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)-Cas system inhibitor AcrIIIA2SAP26 from a Staphyloccusvirus SAP26 phage virus and application of the CRISPR-Cas system inhibitor AcrIIIA2SAP26. According to the CRISPR-Cas system inhibitor AcrIIIA2SAP26, the fact that the AcrIIIA2SAP26 inhibits the gene editing activity of III-A type CRISPR-Cas and the fact that the AcrIIIA2SAP26 in bacteria controls'closing 'of the gene editing ability of the III-A type CRISPR-Cas are identified, and the variety of the III-A type The AcrIIIA2SAP26 inhibitor can control the editing efficiency of the III-A type CRISPR-CasRNA in time or space, and the safety and practicability of the III-A type CRISPR-CasRNA editing technology in the fields of biological treatment, biotechnology, agriculture and the like are improved.

Self-detecting and self-cleaning fan device

The invention discloses a self-detecting and self-cleaning fan device which comprises a windmill mechanism, and the windmill mechanism comprises a box body, a fan blade assembly, a baffle assembly arranged on one side of the fan blade assembly, a fixing frame arranged at the bottom end of the box body, a limiting assembly arranged on the other side of the fan blade assembly and a power assembly arranged on one side of the limiting assembly. The water tank mechanism comprises a heat dissipation water tank arranged at the top end of the box body, a water outlet assembly connected with the heat dissipation water tank in a penetrating mode, a temperature assembly arranged at the top end of the heat dissipation water tank, an emergency stop assembly arranged on one side of the box body and a cleaning assembly arranged on one side of the heat dissipation water tank. According to the device, the water tank is additionally arranged on the fan, automatic water spraying and cooling are achieved through ...

杯垫（毛南族和仫佬族）

无刷电机

带有供应商签约授权信息图形用户界面的显示屏幕面板

Teaching integrated broadcaster control management system

The invention belongs to the field of integrated broadcaster control, and particularly discloses and provides a teaching integrated broadcaster control management system which comprises the steps of extracting the position and volume corresponding to a teacher end mobile microphone voice input source, extracting environment parameters in a classroom, analyzing the comprehensive influence coefficient of the teacher output volume corresponding to each broadcaster, and obtaining the teaching integrated broadcaster control management system. Therefore, the output volume of the teacher corresponding to each broadcaster is regulated and controlled, the teaching sound effect of the teacher is optimized, and the adverse effect of too high or too low output volume of the broadcaster on the hearing of the student is effectively solved. The text content of the voice input source of the mobile microphone at the teacher end is analyzed, and the fixed microphone at the target student end is automatically ...

FPGA-based neural network model lightweight method

The invention relates to a neural network model lightening method based on an FPGA. The method comprises the steps that 1, a data set needing to be calculated is preprocessed to obtain the maximum value rmax of data, the minimum value rmin of the data, the mean value m of the data and the variance sigma2 of the data; 2, calculating a truncation range; 3, quantization parameters are calculated; calculating a quantization step length s and a quantization zero point z required by quantization; and 4, performing quantitative calculation according to the determined parameters. By the adoption of the technical scheme, quantization operation suitable for FPGA hardware is carried out on the neural network, the calculation amount is reduced, and the calculation efficiency is improved.

METHOD AND SYSTEM FOR TESTING RECEPTION PERFORMANCE OF WIRELESS TERMINAL

Disclosed is a method and system for testing reception performance of a wireless terminal. The method comprises: placing a wireless terminal to be tested at a preset position in a preset open environment; separately placing a wireless route terminal or a wireless access point at strong, intermediate, and weak signal test positions in the open environment; in the case that the wireless terminal receives a signal, measuring a maximum data receiving rate of the wireless terminal when the wireless route terminal is located at a current test position; and in the case that the wireless route terminal or the wireless access point is located at the strong, intermediate, and weak signal test positions, determining the wireless terminal to be qualified if the maximum data receiving rate of the wireless terminal is greater than a preset qualified quantitative value corresponding to the test position, and otherwise, determining the wireless terminal to be unqualified. Because an open test environment ...

INSERTION AND EXTRACTION APPARATUS FOR CARD AND ELECTRONIC DEVICE

An insertion and extraction apparatus for a card, and an electronic device. the insertion and extraction apparatus (100) comprises a base (10), a card holder (20) that is mounted on the base (10) and that is used for carrying a card, a driving mechanism, and a steering mechanism; at least part of the driving mechanism may move relative to the base (10) in a first direction, while the steering mechanism is used for converting the movement of the driving mechanism in the first direction into movement of the card holder (20) relative to the base (10) in a second direction, the first direction and the second direction intersecting with each other; the insertion and extraction apparatus (100) may enable a card to be quickly inserted and extracted.

Sulfate ammonium salt composite surfactant as well as preparation method and application thereof

The invention relates to the field of daily chemical additives, and particularly discloses a sulfate ammonium salt composite surfactant as well as a preparation method and application thereof. The sulfate ammonium salt composite surfactant is composed of compounds represented by a general formula (I) and a general formula (II). In the formula (I), R1 is-(CH2CH2CH2O) n1H; r < 2 > is-(CH2CH2CH2O) n < 2 > H; r < 3 > is-(CH2CH2CH2O) n < 3 > H; n1 + n2 + n3 = 3, 4, 5, 6, 7, 8 or 9. The composite surfactant product provided by the invention can be used for preparing daily chemical additives, and has good dispersion, emulsification and permeation properties.

Moistureproof control cabinet

The invention belongs to the field of control cabinets, and particularly relates to a moisture-proof control cabinet. The technology comprises a cabinet body, wherein a first transverse partition plate, a second transverse partition plate, a first vertical partition plate and a second vertical partition plate are arranged in the cabinet body; the first transverse partition plate and the second transverse partition plate are each provided with a sliding groove and two airflow grooves, and sliding baffles are arranged in the sliding grooves. A first outer box body and a second outer box body are respectively mounted on the left side and the right side of the cabinet body; third vertical partition plates are arranged in the first outer box body and the second outer box body correspondingly. Two first airflow channels and two second airflow channels are formed in the cabinet body, and axial fans are mounted at the first airflow channels; drying agent filtering layers are arranged in the two ...

Real-time data sorting system

The invention relates to a data real-time sorting system, which comprises a control unit, an input data preprocessing unit, a sorting module and a data caching and outputting unit, and is characterized in that the control unit is used for realizing the control of the input data preprocessing unit and the sorting module; the input data preprocessing unit is used for determining whether the sorting module can receive new external data or not and judging whether sequence data are input into the sorting module or not, and the sorting module is used for sorting the sequence data input into the sorting module; and the data caching and outputting unit is used for performing information caching and outputting on the sorted data. According to the method, the number of times of reading input data from an external memory is reduced, the data communication traffic and the data access overhead are reduced, the FPGA resource consumption is as small as possible, data sorting operation of any scale is ...

Online prediction method and system for drilling speed in drilling process based on multi-source information fusion

The invention provides a drilling process drilling speed online prediction method and system based on multi-source information fusion, and the method comprises the steps: a drilling data preprocessing stage: filtering the drilling pressure, the rotating speed and the torque; in the drilling rate optimization modeling stage, a model structure of a restricted Boltzmann machine and a back-propagation neural network is improved through a mixed bat algorithm, a novel mixed bat algorithm optimization-restricted Boltzmann machine-back-propagation neural network is formed, and an offline drilling rate prediction model oriented to a complex stratum environment is established by using the algorithm; and in the drilling speed prediction model updating stage, the lithology change and the time interval serve as updating conditions, a sliding window strategy is applied to update the drilling speed prediction model on the basis of stratum and drilling multi-source information fusion, and drilling speed ...

METHOD AND APPARATUS FOR RECEIVING AND TRANSMITTING DATA AND CONTROL INFORMATION

The present disclosure proposes a method performed by a user equipment (UE) in a wireless communication system and a user equipment (UE) performing the method. The method comprises the following steps: receiving a downlink control information (DCI) format, wherein the DCI format is used for scheduling one or more uplink channels or downlink channels; and transmitting one or more uplink channels or receiving one or more downlink channels according to the DCI format.

INFORMATION DISSEMINATION SYSTEM BASED ON CONVERGENCE OF BROADCAST NETWORK AND INTERNET

The present invention provides an information dissemination system based on convergence of a broadcast network and the Internet, comprising a terminal storage module, a local storage module, a statistics and analysis module, a recommendation analysis module, a media content management module, and a network scheduling module. Media contents are stored in two levels and played, and meanwhile, according to statistics and analysis made on the on-demand acts of users, intervention by an operator and recommendation analysis by the recommendation analysis module, media contents are classified. The media contents are transmitted to the terminal storage module through the Internet according to the classification; or are transmitted to the terminal storage module and are pushed through the broadcast network to the terminal storage module; or pushed by the broadcast network to the terminal storage module or the local storage module within predetermined time, so as to not only converge dissemination ...

Effector AcrIIIA2TEM123 for controlling CRISPR-Cas editing system and application of effector AcrIIIA2TEM123

The invention belongs to the technical field of RNA (Ribonucleic Acid) editing, and in particular relates to a CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)-Cas (Clustered Regularly Interspaced Short Palindromic Repeats) system inhibitor AcrIII2TEM123 derived from Staphyloccus phage TEM123 and application of the CRISPR-Cas system inhibitor AcrIII2TEM123. According to the CRISPR-Cas system inhibitor AcrIII2TEM123, the fact that the AcrIII2TEM123 inhibits the gene editing activity of III-A type CRISPR-Cas and the fact that the AcrIII2TEM123 in bacteria controls'closing 'of the gene editing ability of the III-A type The AcrIIIA2TEM123 inhibitor can be used for controlling the editing efficiency of the III-A type CRISPR-CasRNA in time or space, so that the safety and the practicability of the III-A type CRISPR-CasRNA editing technology in the fields of biological treatment, biotechnology, agriculture and the like are improved.

Distributed waveform management method based on software communication system structure

The invention discloses a distributed waveform management method based on a software communication system structure. An SCA core framework, a waveform controller assembly, a loadable logic device assembly, an external system communication network logic device assembly, a management communication network logic device assembly, a service communication network logic device assembly and platform management software are carried on each distributed rack. And the platform management software running on one distributed rack is configured as master platform management software, the other distributed racks are configured as slave platform management software, and the distributed waveforms are managed by the platform management software. According to the method, platform management software with a master-slave relationship is designed, responsibility subjects of waveform deployment and management are clearly divided, the complexity of waveform deployment and management in a distributed system is reduced ...

METHODS FOR PREPARATION AND USE OF CATALYST FOR HYDRAZINE DEGRADATION

Provided is a method for the preparation of a catalyst for hydrazine degradation. The catalyst has the general formula of SO42-/TiO2-MxOy, wherein M is one of Mn, Mo, Zr, Fe and Cu, x is 1 or 2, and y is 1, 2 or 3. The catalyst is prepared using a sol-gel method comprising the following steps: dissolving tetrabutyl titanate as the raw material in an ethanol solution containing glacial acetic acid, adding polyvinylpyrrolidone as the dispersing agent, and stirring the resulting mixture in a 50 to 80°C oil bath for 0.5 to 2 hours; then adding drop-wise to the resulting solution an aqueous metal salt solution having a concentration of 1 to 20 wt%, and continuing heating under stirring for 1 to 6 hours; standing and ageing the sol obtained after the hydrolysis for 10 to 24 hours; and subjecting the resulting sol to oven drying at 90 to 120°C, grinding, sieving, soaking in a sulfuric acid solution for 10 to 24 hours, filtration, washing, oven drying at 90 to 120°C, and calcination at 400 to 550 ...

ANTI-5T4 ANTIBODY-DRUG CONJUGATE AND USE THEREOF

Provided in the present invention are an anti-5T4 antibody-drug conjugate and the use thereof. In particular, provided in the present invention is an anti-5T4 antibody-drug conjugate. Also provided in the present invention are the pharmaceutical use of the anti-5T4 antibody-drug conjugate and the effect thereof in inhibiting or preventing tumours.

HETEROARYL AMIDE COMPOUNDS, PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITIONS THEREOF, AND APPLICATIONS THEREOF

The present invention relates to heteroaryl amide compounds, a preparation method therefor, pharmaceutical compositions thereof and applications thereof, and specifically, relates to a type of compounds having broad-spectrum tumor resistant activity, a preparation method therefor, pharmaceutical compositions containing the compounds, and uses of the compounds in the preparation of drugs for treating tumors.

Explosive pressing device for bead-spitting fireworks

An explosive pressing device for bead spitting type fireworks comprises a machine box, an explosive pressing mechanism and a lifting mechanism are arranged in the machine box, the lifting mechanism is fixedly connected with the explosive pressing mechanism, an inner cylinder fixing mechanism is arranged at the lower end of the explosive pressing mechanism, the machine box is provided with a box door, a fireproof door is installed on the box door, the fireproof door is fixedly connected with the explosive pressing mechanism, and the inner cylinder fixing mechanism is fixedly connected with the box door. The powder pressing device for the bead spitting fireworks further comprises an inductor, a controller and a fire extinguisher, and the controller is electrically connected with the lifting mechanism, the inductor and the fire extinguisher. Compared with the prior art, the pressure when the medicine pressing rod descends is controlled through the motor, medicine in the inner cylinder is pressed ...

Outer rotor brushless motor coil testing device and testing method

The invention discloses an external rotor brushless motor coil testing device and testing method. The external rotor brushless motor coil testing device comprises a coil and a base. A detachable supporting seat is arranged on the upper end face of the base, a coil fixing seat capable of moving up and down is arranged on the supporting seat, and a locking mechanism used for limiting the coil fixing seat is arranged on the supporting seat. The coil is arranged at the upper end of the coil fixing seat in a sleeving mode and makes contact with the upper end face of the supporting seat through the lower end face of the coil for axial positioning. The coil fixing seat is also provided with a rotatable rotor assembly, and the coil drives the rotor assembly to test after being electrified. According to the invention, the coil is tested by fixing the coil and assembling the outer rotor, so that the coil can be quickly disassembled, assembled and tested, and the device can adapt to coils with different ...

Temperature control method based on PID (Proportion Integration Differentiation) and extended state observer

The invention relates to a temperature control method based on PID (Proportion Integration Differentiation) and an extended state observer. The method comprises the following steps: step 1, acquiring experimental data of a temperature control system; step 2, designing an online self-tuning PID (Proportion Integration Differentiation) main controller; 3, designing a state observer auxiliary control model; step 4, constructing a self-tuning PID and extended state observer temperature control model; and 5, carrying out linkage control on the main and auxiliary controllers to obtain a temperature regulation and control system with robustness, and embedding the temperature regulation and control system into an upper computer for practical application. According to the method, the extended state observer is introduced into the control system to estimate the state variable of the system and the disturbance of the system, so that the uncertainty and interference of the automatic compensation temperature ...

Method, device and equipment for detecting network port of remote electric energy data terminal

The invention discloses a network port detection method, device and equipment for a remote electric energy data terminal, relates to the technical field of computers, and can solve the problems that faults cannot be detected without tools on site and network ports cannot be detected due to internal transmission of data when a plurality of network ports are in the same equipment. The method comprises the following steps: setting a first actual IP address of a network port to be tested and second actual IP addresses of other network ports; adding a first virtual IP address, binding an MAC address of the network port to be tested for the first virtual IP address, adding a second virtual IP address, and binding MAC addresses of other network ports for the second virtual IP address; setting data conversion of the firewall, replacing the first actual IP address with the first virtual IP address, and replacing the second actual IP address with the second virtual IP address; and in response to ...

ANTI-ULTRAVIOLET SHEET-LIKE CELLULOSE MATERIAL AND PREPARATION METHOD AND USE THEREOF

Provided is an anti-ultraviolet sheet-like cellulose material, characterized in that: the micro appearance of the cellulose material is sheet-like, the particle size thereof is 5-200 microns and the thickness is 0.01-10 microns, and the sheet-like cellulose material is able to block the transmission of ultraviolet light in the range of UVA (320-400 nm), and UVB (280-320 nm). At the same time, also provided are a method for preparing the sheet-like cellulose material and a use thereof.

VERSION VERIFICATION METHOD AND APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM

The present application relates to data processing and provides a version verification method and apparatus, an electronic device and a storage medium. The method can determine, upon receipt of a version verification request, a system to be verified and a version number to be verified according to the version verification request; acquire version information and vulnerability information of said system according to said version number; verify a story card on the said system on the basis of the version information and the vulnerability information; acquire, when the story card passes verification, a version number corresponding to the story card as a code version number; when it is detected that the code version number is consistent with said version number, extract a version script corresponding to the code version number; and determine a verification result of said version number on the basis of an execution result of the version script. The present application improves the verification ...

Lightning arrester for energy absorption of +/-500kV direct-current circuit breaker and design method thereof

According to the technical scheme, the lightning arrester for energy absorption of the +/-500kV direct-current circuit breaker comprises a composite jacket body and a base structure, the composite jacket body is formed by connecting a plurality of composite jacket body units in parallel, and each composite jacket body unit is formed by connecting a plurality of composite jacket body elements in series. The number of the composite coat body elements of each composite coat body unit is the same; the bottom of the composite coat body element located at the tail end of the composite coat body unit is connected with a base structure. The top of the composite jacket body element located at the head end of the composite jacket body unit is provided with a wiring terminal. The device has the advantages of high energy absorption capability, low residual voltage and excellent explosion-proof performance, and can be used for absorbing huge energy generated in the process of breaking the fault current ...

FLEXIBLE TEST DEVICE FOR STUDYING THREE-DIMENSIONAL SOIL ARCHING EFFECT AND OPERATION METHOD

Provided are a flexible test device for studying a three-dimensional soil arching effect and an operation method. The device comprises a model frame (1), a sand storage container (7), and a plurality of auxiliary test devices, so as to ensure a test can be implemented and is accurate. The invention provides a distribution rule for vertical and horizontal stresses along an embankment according to the embankment height, such that it is possible to determine whether embankment filling materials are in an active or passive soil pressure state and to create a soil arch contour. The method changes the embankment height, pile spacing, and the size of a pile cap (3) in order to analyze a change in the stress states of the embankment, such that it is possible to study a three-dimensional soil arching effect generation mechanism in a pile-supported reinforced embankment. Placing a reinforcing body (6) at different heights of the embankment allows analysis of the use of the multi-layer reinforcing ...

METHOD FOR PREPARING CELLULOSE NANOFIBER CAPABLE OF BEING STABLY DISPERSED

Disclosed is a method for preparing cellulose nanofiber capable of being stably dispersed, comprising the following steps: 1) mixing cellulose and an organic solvent, the solid content of the cellulose being 1% to 15%; 2) adding an esterification agent into the mixture in the step 1), the molar ratio of the esterification agent to the cellulose being from 1: 0.1 to 4; 3) performing physical breaking on all the reaction mixture, an esterification reaction occurring in the hydroxyl on the fibre surface of the cellulose at the same time of the breaking, until a suspension liquid containing stably dispersed cellulose nanofiber with the diameter being 2 to 1000 nm and the length being 100 to 100μm is obtained. Hydrophobization processing is performed, through an alkyl molecular chain, on the surface of the cellulose nanofiber with the surface being esterified obtained through the method of the present invention, so the disperse solvent may be DMF and may also be replaced with other solvents; ...

PARAMETER SETTING METHOD AND DEVICE FOR ESTABLISHING WIRELESS CONNECTION

Disclosed is a parameter setting method for establishing a wireless connection. The method comprises the following processes: after activation of the Bluetooth function is detected, detecting whether a wireless network (Wi-Fi) is connected; and when the Wi-Fi is detected to be connected, recording a data transmission channel of the Wi-Fi as an occupied channel so that the occupied channel is skipped when the Bluetooth function performs data transmission. Also provided is a parameter setting device for establishing a wireless connection. The invention solves a problem in which data transmission performed by the Bluetooth function is affected by interference in Wi-Fi communication.

Uplink transmission method, electronic equipment and computer readable storage medium

The embodiment of the invention provides an uplink transmission method, electronic equipment and a computer readable storage medium. The method comprises the following steps: receiving pre-compensation frequency offset information configured by a base station, and executing uplink transmission based on the pre-compensation frequency offset information. According to the embodiment of the invention, the uplink frequency synchronization can be effectively carried out under the condition of no GNSS assistance.

Pan-tilt for intelligent automobile and pan-tilt manipulator

The invention discloses a pan-tilt for an intelligent automobile and a pan-tilt manipulator, and relates to the technical field of pan-tilts.The pan-tilt comprises a first mounting substrate; the first module comprises a first driving part and a first moving part, the first driving part is fixed to the first mounting base plate, the first moving part can move in the Z direction, and the first driving part is in transmission connection with the first moving part through a first transmission structure; the second module comprises a second driving piece, a second moving piece and a first connecting piece, the second driving piece is installed on the first moving piece, and the second moving piece and the second driving piece are configured to enable the second moving piece to swing in a reciprocating mode in the YZ plane with one end of the second moving piece as the swing center under the action of the second driving piece, the first connecting piece is arranged on the second moving piece ...

Multi-stage square groove and square tube sheet metal welding structure DD suspended beam welding positioning tool and deformation control method thereof

The invention relates to the field of welding of DD emitting devices, in particular to a DD suspended beam welding positioning tool of a multistage square groove and square tube metal plate welding structure and a deformation control method thereof.The DD suspended beam welding positioning tool comprises square steel, a plurality of sets of inner restraining pieces, a plurality of sets of outer restraining pieces and a positioning pin, and the method comprises the steps that S1, a symmetry axis design benchmark entity is converted; s2, the components are assembled on the square steel according to the designed sequence; s3, welding is conducted; s4, carrying out destressing treatment; in the welding process, welding seams are symmetrically numbered, the welding seams on the left side of the square steel are numbered as 1A, 2A, 3A,..., the welding seams on the right side of the square steel are numbered as 1B, 2B, 3B,..., the welding seams are symmetrically welded according to the sequence ...

Line detection device and system

... 本实用新型公开了一种线路检测装置及系统，包括线缆检测接口、正向偏置电路、通信模块、反向偏置电路、比较器以及MCU，本申请中，MCU能够通过比较器输出的电平信号的高低和是否接收到通讯信号来确定此时第一检测线路和第二检测线路是正常、短路还是反接，且利用该线路检测装置进行线路检测时，无需线路处于通电状态，当发现线路故障时方便对线路进行及时整改，整改成本低。 ...

Multi-target direct positioning method fused with error correction and device thereof

The invention belongs to the technical field of signal processing and beam direction estimation of radar signals, acoustic signals and electromagnetic signals, and particularly relates to a multi-target direct positioning method fusing error correction, which comprises the following steps of: constructing an echo signal model based on original echo signals returned from a target node and received by each mobile node, carrying out sparse processing on the constructed echo signal model to obtain a sparse DPD signal model; and constructing an optimization function based on the obtained sparse DPD signal model, and solving the optimization function by adopting a double iteration method to obtain positions of a plurality of target nodes so as to complete direct positioning of the plurality of target nodes.

METHOD AND SYSTEM FOR IMPLEMENTING LARGE-AREA CONTINUOUS COVERAGE OF PROGRAM IN DIGITAL AUDIO BROADCASTING

The present invention relates to a method and a system for implementing large-area continuous coverage of a program in digital audio broadcasting. The method comprises: setting part of carrier frequencies as public carrier frequencies, and setting the other carrier frequencies as service carrier frequencies; combining all the public carrier frequencies together to form seamless coverage of a large area; sending, by a transmission end, a public frequency channel number identifier and a program information list on the public carrier frequencies and sending a digital broadcasting program on the service carrier frequencies; recognizing, by a reception end, the public carrier frequencies according to the public frequency channel number identifier and receiving a digital broadcasting signal on the public carrier frequencies; for a selected specific program, searching for all broadcasting carrier frequencies of the selected specific program according to the received program information list, and ...

Fan icing monitoring device

The invention discloses a fan icing monitoring device, which comprises a monitoring device, a plurality of groups of blade units, a cabin control unit connected with the blade units, and a machine tower drum connected with the cabin control unit, the cabin control unit comprises a control module, an acquisition module group connected with the control module, a wireless transmission module connected with the control module, and a remote terminal connected with the wireless transmission module. The method has the beneficial effects that corresponding data are collected due to the fact that a large amount of ice on the surface of the blade can cause additional load and additional vibration of the fan, and when the other wind speed and wind direction change is not large, the collected data can be compared with normal data through the control module, so that whether the icing condition of the fan is abnormal or not is judged in an auxiliary mode; and a remote worker is notified to perform verification ...

Castor oil polyoxyethylene ether phosphate salt composite surfactant as well as preparation method and application thereof

The invention relates to the field of daily chemical additives, and particularly discloses a castor oil polyoxyethylene ether phosphate salt composite surfactant as well as a preparation method and application thereof. The composite surfactant comprises a compound represented by a general formula (I) and a compound represented by a general formula (II). Wherein M is independently selected from Na < + >, K < + >, NH4 < + >, monoethanolamine, diethanolamine or triethanolamine; r < 1 > is-(CH2CH2CH2O) < n > < 1 > H; r < 2 > is-(CH2CH2CH2O) n < 2 > H; r < 3 > is-(CH2CH2CH2O) n < 3 > H; n1 + n2 + n3 = 3, 4, 5, 6, 7, 8 or 9. The composite surfactant provided by the invention can be used for preparing daily chemical additives, and has good dispersion and emulsification performance.

Guide groove type composite concentric launch canister

The invention relates to a concentric launch canister structure made of composite materials and provided with guide grooves. The concentric launch canister structure comprises a canister body, baffles and a flow guide base. Wherein the barrel body is integrally formed by an outer barrel, an inner barrel and a connecting rib plate by using a composite material; the inner cylinder is of a non-closed circular structure and provides pitching, yawing and launching orientation for the guided missile. A guide groove is formed by every two adjacent connecting rib plates, guiding in the rolling direction is provided for missile launching, and meanwhile installation space is provided for the barrel missile mechanical locking mechanism and the electrical connecting and separating mechanism. A fan-shaped space formed by the inner cylinder, the outer cylinder and the connecting rib plate is used as a gas exhaust and guide channel of the concentric cylinder; a baffle is installed at the bottom of the ...

ANTI-TUMOR MULTIDRUG RESISTANCE OF HETEROARYL AMIDE COMPOUND, USE IN TREATMENT OF CANCERS AND PROTEIN-DRUG MOLECULAR COMPLEX

Disclosed are an anti-tumor multidrug resistance of a heteroaryl amide compound as a microtubule inhibitor, the use in the treatment of cancers and a protein-drug molecular complex. High throughput drug screening using cells transformed by oncogenic RAS identifies a lead heteroaryl amide compound blocking cell proliferation. Analysis of the structure-activity relationship indicates that the skeleton (taking I-28 as an example) of the series is an effective inhibitor for tumor cell growth. Further analysis indicates that such a compound exhibits good pharmacological properties of anti-tumor MDR both in vitro and in vivo. In conclusion, a novel skeleton represented by I-28 can be developed as a cancer therapeutic agent, specifically for tumor multiple resistance.

WIRELESS COMMUNICATION CONNECTION CONTROL METHOD AND APPARATUS

Disclosed is a wireless communication connection control method, comprising: when a wireless communication connection request is received, acquiring connection information corresponding to a wireless access point connected to a terminal; sending the connection request to the wireless access point according to the connection information; and when response information fed back by the wireless access point based on the connection request is received, accessing the wireless access point corresponding to the feedback response information. Further disclosed is a wireless communication connection control apparatus. By means of the present invention, not only is the consumption of wireless communication connection resources reduced, the wireless communication connection time is also reduced, so that the wireless communication connection efficiency is improved.

Cationic nano cellulose as well as preparation method and application thereof

The invention discloses cationic nano cellulose as well as a preparation method and application thereof. The preparation method of the cationic nano cellulose comprises the following steps: in the presence of an alkaline solution, jointly grinding a cellulose raw material and a cationic etherifying agent at room temperature. The preparation method is simple in preparation process, does not need to use dangerous chemicals for harsh pulping and bleaching processes, can preserve a large amount of lignin, and endows the nanocellulose with new properties, such as reduced hydrophilicity and additional thermal stability. The nanocellulose is directly produced from natural plants instead of purified plant fibers, so that the material characteristics of the nanofibers can be improved.

TRANSMISSION MODE REPORTING METHOD AND USER EQUIPMENT

Provided in the present invention are a transmission mode reporting method and user equipment. In a novel aspect, the present invention provides a method for reporting a transmission mode, comprising: in a communication network, receiving a random access resource configuration from a base station through a user equipment; selecting a random access resource according to a transmission mode capability of the user equipment; transmitting a first message by using the selected random access resource; transmitting a third message according to a random access response (RAR), wherein the third message comprises information of the transmission module supported by the user equipment. The transmission mode reporting method and user equipment provided in the present invention can reduce a peak-to-average power ratio of a signal transmission of the user equipment or provide a higher peak rate of the uplink transmission.

Offshore ship power distribution dry-type transformer with anti-vibration function

The invention discloses an offshore ship power distribution dry-type transformer with an anti-vibration function, and relates to the technical field of transformers. The offshore ship power distribution dry-type transformer with the anti-vibration function comprises a supporting column, supporting legs are fixedly connected to the lower surface of the supporting column, an arc-shaped sliding rail is fixedly connected to the end of the supporting column, a limiting frame is slidably connected to the outer surface of the arc-shaped sliding rail, and a first supporting frame is fixedly connected to the upper surface of the limiting frame; a first fixing plate is fixedly connected to the upper surface of the first supporting frame, a transformation device is fixedly connected to the upper surface of the first fixing plate, a heat dissipation device is fixedly connected to the lower surface of the first fixing plate, and a second fixing plate is fixedly connected between the opposite faces of ...

Low-loss dielectric material and preparation method and application thereof

The invention discloses a low-loss dielectric material as well as a preparation method and application thereof. The low-loss dielectric material is prepared from the following components in percentage by weight: 60 to 80 percent of BaZr (BO3) 2 ceramic, 15w to 35 percent of BaB2O4 and 0 to 5 percent of H-LaF2S glass sintering aid. According to the invention, BaZr (BO3) 2 is used as a main crystal phase, BaB2O4 with low sintering temperature is introduced, so that the sintering temperature of the material can be reduced, a boron source volatilized in the sintering process can be supplemented, finally, after a certain amount of glass sintering aid is added, the sintering temperature can be reduced to 850 DEG C, and the requirements of LTCC (Low Temperature Co-Fired Ceramic) materials are met.

Excellent system is followed closely by chest fracture of lumbar vertebra way of escape wicresoft

... 一种胸腰椎骨折后路微创钉棒系统，其特征是椎弓根钉设为长尾空心钉，空心钉远端设为松质骨螺纹(1)，近端设为皮质骨螺纹(2)，钉尾(3)设为U型，钉尾远端设为长尾(4)。钉尾与长尾连接处外侧设有钉尾自断痕(5)，长尾外侧设为长尾平面(6)；钉尾与长尾内侧设有梯形螺纹(7)，梯形螺纹设方角凹槽(8)；钉帽外侧设为上平梯形凸螺纹(9)，中间设为梅花凹槽(10)，梅花凹槽设有反向凹螺纹(11)，钉帽近端设有U型卡块(12)；钉帽与U型卡块相嵌活动；连接棒设为T型棒，远端设主棒(13)，近端设T型柄(14)；主棒末端设锥尖(15)，近端设定位片(16)；T型柄设弧形臂(17)；主棒与弧形臂连接处设有连接棒自断痕(18)。 ...

Sparse planar array design method and system

The invention provides a sparse planar array design method and system, and the method comprises the steps: carrying out the sampling of a beam pattern of a reference planar array, and obtaining a beam data vector; the method comprises the following steps: optimizing a Toeplitz-Block-Toeplitz matrix with a minimum rank by using a two-dimensional reweighted atomic norm minimization method to obtain a Toeplitz-Block-Toeplitz matrix with a minimum rank; the method comprises the following steps of: estimating a two-dimensional atomic frequency and a weight from a Toeplitz-Block-Toeplitz matrix by using matrix beam matching; and converting the atomic frequency and the weight into the array element position and excitation of the sparse planar array through the mapping relation. The method has the advantages that compared with a traditional heuristic algorithm, the number of array elements does not need to be manually preset, and higher adaptability is achieved; compared with a traditional compressed ...

Neural network acceleration system

The invention belongs to the technical field of special algorithm hardware circuit design, and particularly relates to a neural network acceleration system. The pooling acceleration unit comprises a control module, and the control module obtains the information and address information of the tensor block according to the parameter information of the information configuration module; the input tensor cache module is connected with the control module and caches the input tensor blocks from the external storage module according to the input tensor block address information obtained by the control module; the process tensor cache module is connected with the control module, caches the output tensor blocks pooled in the width direction according to the output tensor block address information obtained by the control module, and provides input data pooled in the height direction; and the pooling device array module is respectively connected with the input tensor caching module and the process ...

PLANAR WAVEGUIDE C-SHAPED GROOVE SUBSTRATE

Disclosed is a planar waveguide C-shaped groove substrate, comprising a substrate (100) and a substrate cover plate (200). A plurality of successively connected C-shaped grooves (110) are disposed on the upper surface of the substrate (100) at equal intervals, and the C-shaped grooves (110) cooperate with optical fibres (300). A step-shaped recess (120) is disposed on the C-shaped grooves (110) at the edges of two sides of the substrate (110), and the substrate cover plate (200) is arranged on the upper surface of the substrate (100). A convex platform (210) is disposed on the bottom surface of the substrate cover plate (200), and the convex platform (210) is inserted into the recesses (120). The planar waveguide C-shaped groove substrate is simple in structure, convenient to use, capable of protecting optical fibres, and high in assembly efficiency and overall strength.

Deep learning processor core module based on Winograd

The invention belongs to the technical field of artificial intelligence processors, and particularly relates to a Winograd-based deep learning processor core module, which comprises a control module for receiving an instruction transmitted by an external control unit and generating a control signal; the d-Buffer module caches external input characteristics, the d-Buffer module is connected with the control module, and the control module controls the action of the d-Buffer module in each clock period; and the PE array comprises n independent calculation units, each calculation unit is connected with the d-Buffer module, the calculation units calculate the convolution of each output channel, the PE array performs parallel calculation of the n output channels, and the control module controls the action of the PE array in each clock period. Through the Winograd fast convolution method, the problem that the performance of an FPGA-based deep learning processor is generally limited by the number ...

Pressure sensing-click fusion sensing system and method for capacitive stylus

The invention relates to the technical field of capacitive touch pens, and provides a pressure sensing-click fusion sensing system and method for a capacitive touch pen, and the fusion sensing method comprises the steps: detecting a holding behavior based on the comparison of a detected holding capacitance value and a calibrated holding detection threshold value, and when the holding behavior is detected, carrying out the pressure sensing-click fusion sensing on the capacitive touch pen. Starting nib pressure-sensitive stress detection and click trigger detection of the pen body, and obtaining nib stress under the corresponding polar plate distance through the nib pressure-sensitive stress detection; and judging that the user has a multi-click touch behavior through click trigger detection, and outputting a response signal. According to the invention, by adopting a single-chip implementation scheme, only one multi-channel capacitance measurement chip is needed, and the two or more functions ...

Spherical tank heat treatment equipment and heat treatment method

The invention belongs to the field of spherical tank heat treatment, and discloses spherical tank heat treatment equipment and a heat treatment method.The spherical tank heat treatment equipment comprises a base, an electric telescopic rod is arranged on the base, and a combustor is arranged at the output end of the electric telescopic rod; the device further comprises a volume reduction mechanism, the volume reduction mechanism comprises an installation rod installed at the output end of the electric telescopic rod, the combustor is installed at the bottom end of the installation rod, a fixed plate is fixedly installed on the side wall of the installation rod, and the installation rod is movably sleeved with a movable plate. Under the action of the corrugated pipe, the fixed plate and the movable plate, the movable plate rotates around the mounting rod, the corrugated pipe is stretched and occupies the internal space of the spherical tank, at the moment, the volume of the space between ...

Ultra-large torque continuous stirring reaction device capable of preventing hardening

The invention discloses an ultra-large torque continuous stirring reaction device capable of preventing hardening. The ultra-large torque continuous stirring reaction device comprises a reaction furnace, an airtight furnace door, a supporting rod, stirring blades, a centrifugal high-temperature-resistant fan, a valve, a combustible gas flue, a circulating flue, a torque motor, a speed reducer, a transmission chain and a concentric transmission shaft. The device is reasonable in structural design and convenient to operate, has high-temperature anoxic reaction conditions, and is particularly suitable for materials with small particle sizes; a motor with an ultra-large torque is adopted and is matched with a transmission structure, so that the situation that materials with relatively small particle sizes are hard to carbonize after being hardened in a stirring process in a horizontal carbonization process can be effectively prevented; the stirring blades are reasonable in design, the motor ...

Millstone fluidizing device of medium-speed coal mill

The invention provides a medium-speed coal mill millstone fluidizing device, and relates to the technical field of vulcanizing devices.The medium-speed coal mill millstone fluidizing device comprises a device body, a fluidizing mechanism and a grinding mechanism, a coal falling pipe is vertically and rotatably connected to the middle position of the top of the device body, and a rotating connector is installed at the end, close to an air heater, of a fluidizing air pipe; the screen is installed in an inner cavity of the device body, the coal falling pipe penetrates through the center position of the screen, the material collecting plate is fixedly connected to the outer side wall of the coal falling pipe and located above the screen, and the collecting box is arranged at the right end of the screen. Therefore, the output range of the fluidization air pipe to the coal grinding table is wider, and the output range of the fluidization air is widened; and the designed grinding mechanism utilizes ...

FILM TYPE HEAT INSULATION BOX FOR LIQUEFIED NATURAL GAS CARRIER AND CONSTRUCTION METHOD THEREFOR

A film type heat insulation box for a liquefied natural gas carrier and a construction method therefor. The film type heat insulation box comprises: a plywood (1), and a hard polyurethane foam plate (2). The heat insulation box is a one-layer heat insulation box; the upper surface of the heat insulation box is coated with a compact metal film; and the heat insulation box is directly connected to an inner bottom shell (6) of a hull by means of a tackifying resin rope (5). The construction method comprises: plate cutting, drilling, forming of a T-shaped groove, assembling, and bonding. The present invention uses an optimal assembling of the low-density hard polyurethane foam plate and the plywood, so that the daily evaporation rate of a liquefied natural gas cabin of the liquefied natural gas carrier is decreased, and the long-term service stability of a heat insulation system is improved. Meanwhile, the present invention simplifies a multiple-layer heat insulation box into a one-layer heat ...

Frying stove

... 本实用新型涉及油炸机器，公开油炸炉，包括架体(10)，架体(10)一端设有机头(11)，架体(10)上侧设有锅体(12)，机头(11)连接有加热管(111)，加热管(111)布设在锅体(12)底部，锅体(12)顶端端面横截面大于锅体(12)底面横截面，锅体(12)底部的加热管(111)上端设有分隔网(13)；架体(10)底部设有至少两根第一支撑杆(101)，第一支撑杆(101)与锅体(12)底部之间设有空腔。本实用新型为可拆装式，方便拆装和运输，锅体(12)上宽下窄，减少油量。 ...

PREPARATION METHOD FOR HYDROPHOBIC INORGANIC POWDER MATERIAL

Disclosed is a preparation method for a hydrophobic inorganic powder material. The preparation method comprises the following steps: mixing and grinding an inorganic powder material and a hydrophobic material; and after grinding, uniformly coating the surface of the inorganic powder material with the hydrophobic material, and separating and removing the redundant hydrophobic material to obtain the hydrophobic inorganic powder material. The preparation method is simple, low in cost, and green and environmentally protective. Also disclosed is the hydrophobic inorganic powder material prepared and obtained by using this method, wherein the particle size of the material is 0.01-500 μm, the hydrophobic performance is excellent, and the contact angle with water can reach 150º.

Transformer shielding equipment poured in insulating cylinder

The invention relates to the technical field of transformer shielding, and discloses transformer shielding equipment poured in an insulating cylinder, the transformer shielding equipment comprises a double-layer insulating cylinder and a shielding layer arranged between the two layers of insulating cylinders, and positioning support assemblies are arranged on the side wall of the insulating cylinder at equal intervals; the positioning supporting assembly comprises a sliding column and a connecting cylinder, the top of the sliding column is rotationally connected with a rotating column, the side wall of the rotating column is connected to an internal thread of the connecting cylinder through an external thread, the shielding winding assembly comprises an arc-shaped plate, arc-shaped fins and a winding groove, the arc-shaped plate is fixedly connected to the side wall of the insulating cylinder, and the arc-shaped fins are fixedly connected to the arc-shaped plate. The arc-shaped fins are ...

Intelligent ring polishing machine tool and control system thereof

The invention discloses an intelligent ring polishing machine tool and a control system thereof, and relates to the field of optical machining. An intelligent ring polishing machine tool comprises a bottom plate, a supporting frame is fixedly connected to the bottom plate, the intelligent ring polishing machine tool further comprises a cylinder fixedly connected to the bottom plate, an annular cylinder is fixedly connected to the cylinder, and a supporting plate is fixedly connected to the lower side of the annular cylinder; the dust collecting cover is fixedly connected to the inner wall of the cylinder body; the clamping assembly is connected to the inner wall of the annular cylinder; according to the polishing device, the polishing disc can be conveniently replaced according to the size of a workpiece needing to be polished, and the workpiece can be effectively clamped and fixed, so that the situation that the polishing effect of the polishing disc on the workpiece is affected due to ...

REFRIGERATOR, AND METHOD OF CONTROLLING SWITCHES BETWEEN REFRIGERATING AND FREEZING FUNCTIONS

The invention relates to air tunnel system structures of refrigerators, and specifically, to a refrigerator, and a method of controlling switches between refrigerating and freezing functions. An air tunnel door (51) is disposed inside an air tunnel system, and controls, by adjusting a position of the air tunnel door (51), proportions of cold air fed into a refrigerator chamber (1) and a freezer chamber (2).

Puncture aspirator for thoracic surgery

The puncture aspirator comprises a needle cylinder, a piston plate in sliding connection with the needle cylinder is arranged in the needle cylinder, the needle cylinder is divided into two cavities through the piston plate, a connecting sleeve is arranged at one end of a needle head of the needle cylinder, and a liquid inlet pipe rotating with the connecting sleeve is arranged in the connecting sleeve. A needle tube communicated with the liquid inlet tube is fixed to one end of the liquid inlet tube, a rotating sleeve is fixedly installed on the outer side of the liquid inlet tube, and a driving assembly for driving the liquid inlet tube to rotate is arranged between the needle tube and the connecting sleeve; the connecting sleeve and the liquid inlet pipe are respectively provided with a hole groove corresponding to a needle head of the needle cylinder. By controlling the change of the material passing hole formed by overlapping the two hole grooves of the connecting sleeve and the liquid ...

Strain sensor characterization method

The invention discloses a strain sensor characterization method in the technical field of strain sensors, according to the strain sensor characterization method, extraction and partitioning are carried out based on background noise and input noise of a measured object, and main analysis methods comprise a time domain analysis method and a frequency domain analysis method. The time domain analysis method comprises an amplitude analysis method and a harmonic analysis method, the frequency domain analysis method comprises a spectrum analysis method and a wavelet analysis method, the state of the equipment after power failure and restart is judged through one or more specific parameters, and then true and false zero points are discriminated. According to the method, a'false zero point 'caused by prestress existing before power-off restart is eliminated, the situation that a reference following algorithm mistakenly tracks the'false zero point' and influences work of equipment before next power-off ...

Portable geographic information surveying instrument

The utility model provides a portable geographic information surveying instrument. The portable geographic information surveying instrument comprises a surveying instrument main body which is arranged in a storage box; the placement cavity is formed in the storage box and comprises a surveying instrument cavity, a mounting plate cavity, a main rod cavity, a supporting rod cavity and a base angle cavity; and the mounting disc is arranged in the mounting disc cavity, and a placing groove is formed in one side of the mounting disc. The portable geographic information surveying instrument has the advantages that the surveying instrument and the support are correspondingly placed in the containing cavity in the containing box after being detached, then the box cover is covered and fixed, the surveying instrument and the support can be carried by lifting the box body, the size occupied by the support is greatly reduced, and the portable geographic information surveying instrument is convenient ...

FASTENING STEEL PLATE FOR INTERNAL FIXATION OF ACROMIOCLAVICULAR JOINT DISLOCATION

A fastening steel plate for internal fixation of an acromioclavicular joint dislocation, comprising an anchoring steel plate (1) at a distal end of a collarbone and a fastening steel plate (2) at a distal end of a shoulder blade ridge. Two to five anchoring screw holes are provided at a proximal end of the anchoring steel plate (1) and two to five recess screw holes (4) are provided at a distal end, a spherical recess (5) is provided at the middle of the recess screw hole (4). Two to five fastening screw holes (6) are provided at a proximal end of the fastening steel plate (2), and two to four fastening slanting pin holes (7) are provided at a distal end. A gradually thickening and narrowing arch arm (8) is disposed at a distal end side of the fastening steel plate (2), and a fastening ball (9) is disposed at the distal end of the arch arm (8). The fastening steel plate specially used for internal fixation of the acromioclavicular joint dislocation is configured to have a ball and socket ...

WIFI PERFORMANCE TEST METHOD AND SYSTEM

Disclosed is a WiFi performance test method. The method comprises: after a WiFi connection between a tested WiFi terminal and a router is successfully established, acquiring address information which is distributed to the tested WiFi terminal by the router, and broadcasting the address information; after a control terminal receives the address information broadcast by the tested WiFi terminal, establishing a communication connection with the tested WiFi terminal according to the received address information; and the control terminal running a pre-set performance test program to perform a performance test on the tested WiFi terminal based on the established communication connection. Also disclosed is a WiFi performance test system. In the present invention, during the process of performing a performance test on a tested WiFi terminal, a user does not need to perform a manual operation, a control terminal can automatically establish a connection with the tested WiFi terminal and automatically ...

PROJECTION LASER HEATING SYSTEM AND 3D PRINTER

Disclosed are a projection laser heating system and a 3D printer, wherein the projection laser heating system comprises an infrared laser (100), a laser power adjustment device, a beam splitter set, projection assemblies (300), and a workbench (400) provided with a pre-heating device and used for laying powder material, wherein the laser power adjustment device comprises a first rotary clamping assembly (201), a power meter (203), and a first half-wave plate (200), a polarization light splitter (202) and a beam expander set (204) arranged sequentially in the same direction. The first half-wave plate (200) is mounted on the first rotary clamping assembly (201); and the projection assemblies (300) are two or more in number and are respectively arranged in an emergence direction of the beam splitter set, and each projection assembly (300) comprises a DMD chip (301). The projection laser heating system further comprises a control system which controls the first rotary clamping assembly (201 ...

Washing machine control method

... 种洗衣机的控制方法，其包括选择并启动洗涤程序；执行程序运行始末直在执行的压力值采样行程；执行分段进水行程，在分段进水中先向洗涤桶内定量注水v升再让洗涤桶转动T1分钟或者在向洗涤桶内定量注水的过程中同时转动洗涤桶T1分钟，接着洗涤桶停止转动T2分钟，然后再重复以上步骤N次；之后执行在所述分段进水行程中洗涤桶停止转动时采样的静态压力值分析处理行程，再根据分析处理结果执行负载重量与负载种类判断行程，程序还根据负载种类及重量设定洗涤参数，完成洗涤程序。 ...

METHOD FOR CONTROLLING SUPER-KNOCKS OF DIRECT-INJECTION SUPERCHARGED GASOLINE ENGINE

Disclosed is a method for controlling super-knocks of a direct-injection supercharged gasoline engine, which is able to control super-knocks efficiently. The control method comprises: identifying cylinders in which super-knocks are triggered due to mixed gas pre-ignition triggered by the spontaneous combustion of the lubricating oil entering the cylinders, and identifying same as super-knock cylinders; putting off the last oil injection of the super-knock cylinders to the compression stroke, and enabling the crank angle when forming mixed gas for combustion to not be ahead of the crank angle corresponding to pre-ignition by controlling the timing of the last oil injection. The control method in the present invention is relatively simple; as long as the timing of oil injection for individual super-knock cylinders can be controlled, operational reliability is relatively high; and the number of super-knock cylinders identified can be one or more than one. Experiments show that the control ...

Clinical nutrient solution storage box

The utility model discloses a clinical nutrient solution storage box which comprises a storage box body and a containing box, the top of the inner side wall of the storage box body is movably connected with a storage drawer through a sliding groove, the containing box is placed in the storage drawer, the inner side wall of the containing box is fixedly connected with a partition plate, and the partition plate is fixedly connected with the storage box body. Lifting handles are fixedly connected to the two sides of the placement box, a square groove is fixedly connected to the bottom of the inner side wall of the storage box, and a storage box is movably connected to the interior of the square groove. According to the clinical nutrient solution storage box, by arranging the containing boxes and the heat preservation layer, when clinical medical staff use the clinical nutrient solution storage box, nutrient solution reagents are placed in the containing boxes, different nutrient solution reagents ...

ANTI-IL-23P19 ANTIBODY AND USES THEREOF

The present invention provides antibodies and antibody fragments that specifically bind to IL-23p19 and compositions containing the antibodies or antibody fragments. In addition, the present invention also provides nucleic acids encoding the antibodies or antibody fragments thereof, and host cells comprising the antibodies or antibody fragments thereof, and related uses. In addition, the present invention also provides the therapeutic and diagnostic uses of these antibodies and antibody fragments.

PHENYLBUTYRYL CURCUMIN DERIVATIVES AND USES FOR PREPARING ANTI-TUMOR DRUGS THEREOF

Provided are phenylbutyryl curcumin derivatives, their preparation methods, pharmaceutical compositions containing said derivatives and uses thereof for preparing anti-tumor drugs. Said curcumin derivatives are specifically 4-[bis(2-chloroethyl)amino]phenylbutyryl curcumin and 4,4'-bis[bis(2-chloroethyl)amino]phenylbutyryl curcumin, and their pharmaceutically acceptable salts. The curcumin derivatives are effective on inhibiting various animal tumor cell transplantation models in vivo, and do not have serious toxicity in mouse.

UPLINK CONTROL INFORMATION SCHEDULING METHOD AND WIRELESS COMMUNICATIONS APPARATUS

Provided in the present invention are an uplink control information scheduling method and a wireless communications apparatus. A method includes: user equipment receiving a downlink control information (DCI). According to a predefined rule, deciding on the location of an uplink control information (UCI) resource region corresponding to a PDSCH signal scheduled by the DCI, said UCI resource region containing multiple UCI resources in the time domain and/or the frequency domain. According to an indicator field in the DCI, deciding on the location of a UCI resource in the UCI resource region. Transmitting ACK/NACK information corresponding to the PDSCH signal on said UCI resource.

MICROCRYSTALLINE GLASS AND PREPARATION METHOD THEREFOR, AND COMPOSITE GRINDING WHEEL BONDING AGENT CONTAINING MICROCRYSTALLINE GLASS, PREPARATION METHOD THEREFOR AND USE THEREOF

Disclosed are microcrystalline glass and a preparation method therefor, and a composite grinding wheel bonding agent containing the microcrystalline glass, a preparation method therefor and the use thereof. The raw materials of the microcrystalline glass comprise kaolin, silica, diboron trioxide, lithium dioxide, albite, potassium feldspar, talc, dolomite, phosphorus pentoxide and yttrium oxide. The micryocrystalline glass, which is completely composed of a microcrystalline phase, can be obtained from glass, which is prepared by means of the above-mentioned raw materials, at 900ºC-1020ºC, thus achieving the complete conversion of a glass phase at a relatively low temperature. Furthermore, provided is a composite grinding wheel bonding agent, comprising the microcrystalline glass and the glass in a mass ratio of (20-50): (50-80). The glass phase in the bonding agent has a relatively low flow temperature, and can, together with a microcrystalline glass phase, form a coating on abrasive particles ...

Refrigerator

... 本实用新型提供了一种冰箱。该冰箱包括箱体，箱体的每个侧壁均包括内胆侧壁、设置于内胆侧壁外侧的发泡层和设置于发泡层外侧的外壳侧壁，其特征在于，箱体的每个侧壁还包括：第一防凹陷装置，设置于外壳侧壁的内壁面，配置成在发泡层发泡完成后，降低发泡层外侧的散热速率，以减小发泡层两侧的散热速率的差值；和/或第二防凹陷装置，设置于内胆侧壁的外壁面，配置成在发泡层发泡完成后，提高发泡层内侧的散热速率，以减小发泡层两侧的散热速率的差值。本实用新型的冰箱尽量平衡其箱体侧壁的发泡层两侧的散热速率，从而防止内胆侧壁向内侧膨胀外壳侧壁向内收缩，进而防止箱体的侧壁产生凹陷。 ...

Wind driven generator blade damage inspection device

A synchronization unit comprises a fixed disc, a synchronization disc and an extension frame, the fixed disc is fixedly mounted at a stator end of a wind generating set, the synchronization disc is fixedly connected with a rotor end of the wind generating set, and the extension frame extends into an inner cavity of a blade of the wind generating set; the inspection unit comprises a reciprocating sliding block, an inspection rod, a telescopic rod and an ultrasonic probe, the reciprocating sliding block is arranged in the middle of the extension frame, the inspection rod is arranged at the end of the reciprocating sliding block, the telescopic rod is arranged on the other side of the reciprocating sliding block, and the ultrasonic probe is arranged on the other side, different from the telescopic rod, of the reciprocating sliding block. The inspection rod abuts against the inner surface of the fan under the action of the telescopic rod, extrusion force can be provided when the inspection ...

COMMUNICATION METHOD AND DEVICE

The embodiments of the present application relate to the technical field of communications, and disclosed thereby are a communication method and device. An incoming call number may be obtained more quickly in a CSFB process so as to avoid the interruption of a packet switching data service caused by a UE during a process of refusing to establish a call. The method may comprise: a user equipment (UE) receiving a first message from a network side; the first message is used to indicate that the UE performs circuit switched domain fallback (CSFB) as a called party; and the first message comprises first information, the first information being used to indicate an incoming call number; if determined that a preset condition is met, sending a second message to the network side, the second message being used to indicate rejecting performing CSFB; the preset condition comprises at least one of the following: the incoming call number being restricted; the UE being in a mode of automatically rejecting ...

REGULATING DEVICE FOR SWITCHING BETWEEN FREEZING COMPARTMENT AND REFRIGERATING COMPARTMENT OF REFRIGERATOR

A regulating device (100) for switching between a freezing compartment and a refrigerating compartment of a refrigerator comprises a knob (1) provided in a compartment and a support frame (2) fixed in a cooling air duct (200) (1) and a damper (1) that can be rotationally installed on the support frame (2) and a transmission assembly connecting the knob (1) and the damper, wherein the knob (1) drives the damper to rotate to adjust a ventilation area of the cooling air duct (200) via the transmission assembly which comprises a conical gear (41) connected to the damper and a driving gear fixedly connected to the damper and engaged with the conical gear (41).

Nursing pillow with moxibustion treatment function

The invention relates to the technical field of nursing, in particular to a nursing pillow with a moxibustion treatment function, which comprises a material placing group and a neck pillow group arranged at the top end of the material placing group, the material placing group comprises a material placing box with an opening in the top surface, and a moxa burning group and a smoke filtering group which are respectively embedded in the left end and the right end of the material placing box; the neck pillow group comprises a pillow seat clamped with the storage box and a pair of neck protection pads embedded in the top surface of the pillow seat, the top surface of the pillow seat is a downward-bent arc surface and is provided with a groove, a pillow table is arranged in the middle of the groove in the front-back direction, and flow guide grooves are formed in the left bottom side and the right bottom side of the pillow table. Moxa is stored through the arranged material containing set, smoke ...

Training method and system based on online interactive classroom

The invention provides a training method and system based on an online interactive classroom, and relates to the technical field of Internet. In the invention, for each piece of network training terminal equipment, information acquisition operation is carried out on the network training terminal equipment so as to acquire a corresponding historical monitoring video. And for each piece of network training terminal equipment, carrying out video analysis operation on the historical monitoring video corresponding to the network training terminal equipment so as to output corresponding interaction degree information. According to the interaction degree information corresponding to each piece of network training terminal equipment, performing classroom training parameter determination operation on the plurality of pieces of network training terminal equipment to output target classroom training parameters corresponding to the plurality of pieces of network training terminal equipment, the target ...

Pneumatic drive type ankle pump training device and using method

The invention discloses an air pressure driving type ankle pump trainer and a using method, the air pressure driving type ankle pump trainer comprises a main body, a movement mechanism arranged on the main body and a control mechanism for controlling the movement mechanism, the main body is fixed on the shank and the foot of a user, and the movement mechanism for driving the foot to do ankle pump movement is arranged on the main body and close to the foot. The control mechanism is connected with the movement mechanism through a PU air pipe. The ankle pump training device has the advantages that the structure and the weight of the ankle pump training device body are reduced through the body integrally made of the cloth, the training device is small in occupied space and convenient and flexible to use during use, the structural strength of the training device is guaranteed through the shaping plate embedded in the cloth body, and the training device is not prone to damage; the main air bag ...

Key module, startup and shutdown control method and electronic equipment

The invention provides a key module, a startup and shutdown control method and electronic equipment, and relates to the technical field of electronic circuits. The key module comprises a key circuit and a processor, the key circuit is used for responding to the operation of pressing a key switch in the key circuit by a user and outputting a high level signal, and the waveforms of the high level signals at the output end in different pressing modes are different; the processor is connected with the key circuit, and the processor is used for executing corresponding functions according to the high-level signal sent by the key circuit and the corresponding relation between the waveform rule of the preset high-level signal and different functions. When a user presses the key switch, the waveforms of the high-level signals at the output end are different due to different pressing modes, so that multiple functions can be realized through one key by enabling different high-level signal waveform ...

Unmanned aerial vehicle single-motor coaxial power system and unmanned aerial vehicle

The unmanned aerial vehicle single-motor coaxial power system comprises a motor, and a steel shaft capable of rotating along with a rotor of the motor is arranged on the motor; an upper paddle seat mechanism for fixing the upper paddle is arranged at the upper end of the steel shaft; a lower paddle seat assembly is mounted at the lower end of the upper paddle seat mechanism on the steel shaft; the lower paddle seat assembly comprises a transmission mechanism and a lower paddle seat mechanism used for fixing a lower paddle, the transmission mechanism is installed on the upper end face of a rotor of the motor, the lower paddle seat mechanism is rotatably connected with the steel shaft, and when the rotor of the motor rotates, the lower paddle seat mechanism is driven by the transmission mechanism to rotate around the steel shaft. The upper paddle and the lower paddle are consistent in rotating speed and opposite in rotating direction, single-motor direct-drive coaxial is achieved, and compared ...

TRANSMISSION METHOD BASED ON PHYSICAL DOWNLINK CHANNEL, USER EQUIPMENT, AND BASE STATION

The present invention provides a transmission method based on a physical downlink channel, a user equipment, and a base station. The method comprises: receiving control information carried by a physical downlink channel, the control information comprising a time interval indication; and determining uplink resource information of a user equipment or a start subframe of a scheduling window according to the time interval indication and an end subframe of the physical downlink channel. The time-domain resource allocation method based on a scheduling window provided in the present invention helps to flexibly allocate time-domain resources to multiple UEs.

METHOD FOR DETERMINING SIGNALING TIME SEQUENCE AND SCHEDULING TIME SEQUENCE IN DETERMINING UPLINK AND DOWNLINK RECONFIGURATION, AND USER EQUIPMENT

The present invention provide a method for determining hybrid automatic retransmission/uplink scheduling time sequence and for managing the synchronous uplink hybrid automatic request process in determining uplink and downlink reconfiguration. The method comprises: when uplink and downlink reconfiguration is performed, determining whether at least one hybrid automatic retransmission request determines signaling cannot be transmitted on a first frame on a current uplink and downlink according to a last frame in a previous uplink and downlink configuration; and when the foregoing signaling cannot be transmitted on the first frame configured on the current uplink and downlink, the foregoing hybrid automatic retransmission request determination time sequence configured by the first frame configured by the uplink and downlink is reconfigured.

3D PRINTING METHOD

A 3D printing method. The 3D printing method comprises the following steps: step S1, preparing a raw material and a binder into a 3D printing material by means of melt-blending, the binder being a multi-component binder which comprises a main binder and a filler; step S2, heating and melting the 3D printing material and then delivering same to a 3D print head, and printing a green body by the 3D print head; step S3, degreasing the green body for the first time to remove the filler and retain the main binder; and step S4, performing high-temperature sintering and shrinkage molding on the green body having experienced the first degreasing to obtain a 3D printed product, wherein in the high-temperature sintering process, the green body having experienced the first degreasing is degreased for the second time to remove the main binder.

Synthetic lethal gene pair prediction method and device based on knowledge graph reasoning, equipment and medium

The invention provides a synthetic lethal gene pair prediction method and device based on knowledge graph reasoning, equipment and a medium. The method comprises the following steps: acquiring a synthetic lethal knowledge graph and a known synthetic lethal gene pair; combining the synthetic lethal knowledge graph and a synthetic lethal graph formed by known synthetic lethal gene pairs to generate a corresponding heterogeneous graph, and constructing a prediction model for predicting a plurality of partner genes of a preset starting gene based on the heterogeneous graph and the preset starting gene; the optimized prediction model is trained based on a multi-classification loss function. According to the method, on the premise that neighbors do not need to be sampled, the SL relation is predicted by fully utilizing the structure of KG, the prediction process is explained, and the SL prediction problem is defined as the partner gene recommendation problem. Experiments show that under three ...

Material distribution method, device and equipment and storage medium

The invention provides a material distribution method and device, equipment and a storage medium, and the method comprises the steps: obtaining first substitute material information in BOM information and second substitute material information in a current substitute material information database in response to the updating of the BOM information; matching the first substitute material information with the second substitute material information to obtain a first matching result; and performing data updating on the substitute material information database based on the first matching result, the first substitute material information and the second substitute material information to obtain a substitute material information database containing third substitute material information.

GRAPHENE NANOSHEET DISPERSION AND PREPARATION METHOD THEREFOR

Provided are a graphene nanosheet dispersion and a preparation method therefor. In the dispersion, the graphene nanosheet has a thickness of 0.35 - 7 nm, and is dispersed in a solvent in the form of a single layer or multiple layers. The preparation method comprises the following steps: (1) mixing graphite with a solid polymer proportionally, and grinding mechanically to obtain a mixed powder of graphene nanosheets/solid polymer; (2) adding the mixed powder of graphene nanosheets/solid polymer into a solvent capable of dissolving the polymer, so as to obtain an intermediate of graphene nanosheet dispersion; and (3) removing the solid polymer dissolved in the solvent from the obtained intermediate of the dispersion, so as to obtain the graphene nanosheet dispersion. The polymer is used as a dispersion phase in the method and promotes the stripping of graphite during grinding so as to effectively inhibit the obtained graphene nanosheets from reaggregation. The method is simple and has a low ...

Quick-cooling movable type farmland crop residue carbonization furnace

The invention discloses a mobile farmland crop residue carbonization furnace capable of rapidly cooling, the carbonization furnace comprises a cooling system and a carbonization system, the cooling system comprises a gas-liquid dual-purpose pump, a cooling pipe, a gas-liquid nozzle plate and a nozzle; the carbonization system comprises a furnace body shell, a carbonization cylinder, a dry distillation flue gas pipe, a tar pipe, a connecting pipe, a flue gas pipe, a furnace door and a fuel placing drawer; uniform and low-temperature air or water is pumped into the carbonization furnace cavity, rapid cooling of the temperature of the carbonization cylinder is achieved so as to rapidly join the next batch of carbonization activities, and the purposes of rapidly transferring the carbonization furnace and efficiently carbonizing farmland crop residues can be achieved by arranging universal wheels at the bottom of the furnace body and a gas-liquid dual-purpose pump placing drawer; the device ...

Intelligent contract vulnerability detection method based on model-independent meta learning

An intelligent contract vulnerability detection method based on model-independent meta learning comprises the following steps: firstly, capturing an intelligent contract code through an interpreter, converting the intelligent contract code into a graph structure, and representing the generated heterogeneous graph structure by using a vulnerability keyword quintuple of an edge; in training, through a self-attention mechanism, a vulnerability quintuple with the highest relative weight in each vulnerability detection task is recorded as a meta vulnerability group. The vulnerability quintuple is used for detecting a certain vulnerability in the internal loop graph attention network training, and the element vulnerability group is maintained in each vulnerability detection task in the external loop at the same time, that is, the element vulnerability group is added into the vulnerability quintuple in each internal loop detection and the weight is reset. Through the above method, searching and ...

Rotating type concentric launch canister structure

The invention relates to a spinning type concentric cylinder structure which comprises a cylinder body, a spinning guide rail, a baffle and a flow guide base. The cylinder body is a concentric cylinder body and consists of an outer cylinder, an inner cylinder and connecting ribs; wherein the inner cylinder and the outer cylinder are both closed circular sections; the two spin guide rails are symmetrically installed on the inner wall of the inner cylinder, a torsion angle is designed between the front end face and the rear end face of each spin guide rail, and rolling torque is applied to the guided missile through guide grooves of the spin guide rails; the baffle and the flow guide base are mounted at the rear end of the barrel; a round hole is formed in the center of the baffle and used for directly discharging and guiding engine gas, the directly discharged and guided gas is turned over at the flow guide base, and a plurality of fan-shaped holes are formed in the periphery of the baffle ...

High-pressure simulation training water tank temperature control device

The invention discloses a high-pressure simulation training water tank temperature control device, which comprises a refrigeration unit, a primary heat exchange unit and a secondary heat exchange unit, and is characterized in that the refrigeration unit comprises a refrigeration circulation loop formed by a refrigeration condensation side unit and an evaporation side heat exchanger; the primary heat exchange unit comprises a primary heat exchange circulation loop formed by a water tank, one channel in the intermediate heat exchanger and the other channel in the evaporation side heat exchanger of the refrigeration unit, and the secondary heat exchange unit comprises a high-pressure water tank and a secondary heat exchange circulation loop formed by the other channel in the intermediate heat exchanger of the primary heat exchange unit. The possibility of leakage of a circulating medium in the high-pressure pipeline can be reduced to the maximum extent, it can be ensured that the evaporation ...

Container and power supply system

The embodiment of the invention provides a container and a power supply system, and relates to the field of power stations. The container comprises a container body and a spraying piece, an inner cavity of the container body is used for containing a gas turbine and a generator, and field power supply guarantee is achieved through work of the gas turbine and the generator. The spraying piece is connected to the box body, after the gas turbine and the generator work for a long time, the air temperature of the inner cavity of the box body is certainly increased, the spraying piece is used for spraying a medium for cooling, the air temperature of the inner cavity of the box body is prevented from being too high, the gas turbine and the generator are prevented from being overheated, and potential safety hazards are reduced while the power generation efficiency is prevented from being affected. The power supply system comprises the container and has all functions of the container.

Gas generator capable of working hermetically for ultra-long time in variable-temperature and variable-pressure state

The gas generator comprises an igniter, a combustion chamber shell and a rear end cover, the igniter is installed in a hole seat, located on the central axis, of the front end of the combustion chamber shell, and an O-shaped sealing ring is arranged between the igniter and the hole seat; the end, extending into the combustion chamber shell, of the igniter is coated with a cooling pad, the combustion chamber shell is sequentially filled with a front baffle, ignition powder, a main powder column, a front filter block, a wave spring washer, a rear filter block and a rear baffle, and the rear end cover is fixed to the rear end of the combustion chamber shell. Under the variable-temperature and variable-pressure conditions, the sealing performance is reliable, the structure is compact, the product consistency is good, effective detection can be achieved, and the sealing device is suitable for the scene with the large temperature and pressure change range and the ultra-long-time sealing requirement ...

AUDIO TRANSMISSION APPARATUS AND METHOD

Disclosed is an audio transmission apparatus. The audio transmission apparatus comprises a wireless access module dedicated for being connected to a wireless sound box and establishing a first wireless local area network, wherein the wireless access module obtains audio data and outputs the current obtained audio data to the wireless sound box via the first wireless local area network, so that the wireless sound box plays the audio. Further disclosed is an audio transmission method, comprising the following steps: receiving audio data; determining whether a wireless access module of an audio transmission apparatus establishes a connection with a wireless sound box; and when the wireless access module of the audio transmission apparatus establishes a connection with the wireless sound box, sending the audio data to the wireless sound box, so that the wireless sound box plays the audio. The present invention reduces the bandwidth occupation and time limitation in a data transmission process ...

DATA TRANSMISSION METHOD

The present invention provides a data transmission method. The data transmission method comprises: generating a first frame structure by using a first subframe configuration in a wireless communication network by means of a base station; generating a second frame structure by using a second subframe configuration, the length of each subframe in the second subframe configuration being many times that of a subframe in the first subframe configuration; and sending an indication of the second subframe configuration to a plurality of user equipments, and sending and receiving signals to the plurality of user equipments by using the first frame structure and the second frame structure. The method provided in the present invention can support a TDD configuration in a new wireless system after a narrow band system, thereby providing system efficacy.