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43results about How to "Guaranteed universality" patented technology

Television payment method and system based on two-dimensional codes

The invention belongs to the technical field of network televisions, and provides a television payment method and system based on two-dimensional codes. The television payment method comprises the steps that a television terminals sends an ordering request containing ordering information; a payment server generates corresponding two-dimensional codes in real time according to the ordering information and returns the two-dimensional codes to the television terminal to be displayed; a mobile terminal scans to obtain the two-dimensional codes displayed on the television terminal and analyzes the ordering information according to the two-dimensional codes; the mobile terminal sends a payment request containing the ordering information to the payment server; the payment server completes payment of the ordering information. Therefore, through the combination of the two-dimensional codes and the mobile terminal, the television payment method and system realize television payment, enable television payment to be more convenient and quicker, and user experience is improved accordingly.
Owner:百视通网络电视技术发展有限责任公司

Indoor four-rotor unmanned aerial vehicle 360-degree three-dimensional obstacle avoidance system

The invention relates to an indoor four-rotor unmanned aerial vehicle 360-degree three-dimensional obstacle avoidance system and belongs to the control science and control engineering field. When a four-rotor unmanned aerial vehicle cruises indoors to perform tasks such as rescue and relief work, problems can be brought to the flight of the four-rotor unmanned aerial vehicle caused by relatively complex indoor environment, weak GPS signals and difficulty in deploying peripherals, and in order to solve the above problems, the four-rotor unmanned aerial vehicle 360-degree three-dimensional obstacle detection and obstacle avoidance decision making device is designed. An STM32f103 is adopted as a core processor, and the number and the positions of ultrasonic sensors are reasonably configured, so that a model for acquiring surrounding environment information is constructed, and therefore, three-dimensional obstacle detection can be realized. When the four-rotor unmanned aerial vehicle performs a task, the obstacle avoidance decision making system performs Kalman filtering processing on acquired obstacle distance values and thereafter, performs data fusion based on directions, and performs obstacle avoidance decision making based on fused data through a fuzzy logic algorithm, and sends an obstacle avoidance decision to a flight controller through a serial port; and the flight controller controls the flight attitude of the unmanned aerial vehicle to complete an obstacle avoidance task.
Owner:BEIJING UNIV OF TECH

Data center flow scheduling method based on quality of service

The invention relates to the technical field of networks, and in particular relates to a data center flow scheduling method based on service of quality. The method comprises the steps as follows: whenreceiving a data flow sent by a host, the switch of an access layer judges whether to be directly connected with the target host according to a target address, and if yes, data is forwarded to the target host to complete scheduling; whether a transmission rate of the data flow is less than a preset threshold is judged, if yes, the switch adopts an equivalent multi-path scheduling mechanism to complete scheduling; a controller uses the shortest path algorithm for the data flow to find the shortest path set between a data source and the target host; and an optimal ant colony algorithm is used for acquiring the optimal path from the shortest path set, and the scheduling of the data flow is completed via the optimal path. According to the method provided by the invention, aiming at the different requirements of the different types of services in a data center on network performance, the different scheduling methods are used, so that the quality of service can be effectively ensured, and meanwhile the low computing complexity of the method is ensured.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Method for automatically identifying walls in house type graph

The invention provides a method for automatically identifying a wall body in a house type graph, which comprises the following steps of: carrying out position analysis on interference information in the house type graph, and eliminating the interference information in the house type graph by utilizing the maximum outer contour of the wall body; setting a segmentation threshold value according to bimodal characteristics of a wall gray histogram in the house type image, segmenting a wall area from the gray scale house type image according to the segmentation threshold value, and filtering an interference item according to the size of a connected domain area; and generating a vector data structure of the wall in a directional straight line fitting manner, so that the wall is identified from the house type graph. According to the method for automatically identifying the wall body in the house type graph, in the house type graph preprocessing stage, removal processing on interference information in the house type graph is added, the difficulty of follow-up wall recognition is reduced, and the accuracy of wall recognition is improved; the improved histogram double-peak method is utilizedto segment the wall body, and the situation of uneven gray scale caused by edge information damage is considered during threshold value selection, so that the wall body and the background can be distinguished better.
Owner:南京维狸家智能科技有限公司

Method and device for sending channel measurement pilot frequency information

The invention discloses a method and device for sending channel measurement pilot frequency information, wherein the method comprises: a network side sends channel measurement pilot frequency information of other cells in a long-time cooperation set to a terminal, wherein the channel measurement pilot frequency information at least comprises the channel measurement pilot frequency sending periods and channel measurement pilot frequency port numbers of the other cells in the long-time cooperation set. The terminal can acquire the channel measurement pilot frequency information of the other cells in the long-time cooperation set from the network side but not send data at corresponding positions at which the channel measurement pilot frequency of the other cells are sent.
Owner:ZTE CORP

System and method for dynamically detecting and distributing water for garden

The invention relates to a system and a method for dynamically detecting and distributing water for a garden. The system comprises water sources, a water quality detecting unit, a distributing unit, a temporary storage reservoir, a reclaimed water connecting pipe and a sewage connecting pipe; a water quality detecting main power source is arranged at a water inlet of the water quality detecting unit, water of each water source flows into the water quality detecting unit via the water inlet and flows out of the water quality detecting unit from an overflow opening in an opening state, and the water of each water source directly flows to the overflow opening from the water inlet in a closed state; and the temporary storage reservoir is provided with an inlet and an outlet, a buffer cavity is arranged at the inlet, an impeller unit is arranged in the buffer cavity and comprises a variable-pitch spiral impeller assembly, a positioning bearing, a rotary shaft and a support, the shape of each blade of an n variable-pitch spiral impeller of the variable-pitch spiral impeller assembly meets trajectory equations of X<1>=rXcos(theta<1>+2XpiXn / N), Y<1>=rXsin(theta<1>+2XpiXn / N) and Z<1>=(n-1)X(L+a) / N+[theta<1> / (2Xpi)]<m>X[L-(N-1)Xa] / N, the n is larger than or equal to 1 and is smaller than or equal to the N, a trajectory corresponding to the trajectory equations extends from one end, which is close to a water inlet valve, of the pitch-variable spiral impeller to the other end of the pitch-variable spiral impeller.
Owner:BEIJING NORMAL UNIVERSITY

Water quality detection platform based on deepwater sampling detection method

The invention relates to a water quality detection platform based on a deepwater sampling detection method. The water quality detection platform comprises a body, a water storage unit and an acquisition unit, wherein the water storage unit is in fixed connection with the body, a water inlet valve and a water outlet valve of the water storage unit are respectively installed on a water inlet and a water outlet, a cushion chamber is arranged at the water inlet valve, weep holes of the cushion chamber are staggerly arranged, an impeller unit of the water storage unit is arranged in the cushion chamber and comprises a variable-pitch impeller set, a positioning bearing, a rotating shaft and a support, and the blade shape of an n (n is no less than 1 and no more than N) variable-pitch impeller in the variable-pitch impeller set, from one end of the variable-pitch impeller close to the water inlet valve to the other end, satisfies the following locus equations: Xi is equal to r*cos(Thetai+2Pi*n / N), Yi is equal to r*sin(Thetai+2Pi*n / N), and Zi is equal to (n-1)*(L+a) / N+(Thetai / 2Pi)<m>*[L-(N-1)a] / N.
Owner:BEIJING NORMAL UNIVERSITY

Frame-level quantization parameter calculation method suitable for HEVC video coding

The invention discloses a frame-level quantization parameter calculation method suitable for HEVC video coding. According to the method, an inter-frame dependence-based distortion prediction model (deltaD-deltaQp model) is established; the model is applied to rate distortion optimization, so that a Lagrange multiplier lambda which appears when rate distortion cost is the smallest is solved; and anoptimal frame-level quantization parameter is solved according to a lambda-Qp relationship; and the deltaD-deltaQp model not only reflects inter-frame dependence, but also considers video content ina modeling process, so that the model can be adaptively adjusted according to the video content. The method has low implementation complexity; parameters used in the method are obtained from a video coding process, complicated calculation is not required, and therefore, video coding complexity will not be increased basically, and system delay can be avoided.
Owner:HANGZHOU DIANZI UNIV

Eukaryotic expression vector containing attenuated SV40 promoter/dihydrofolate reductase expression element, and construction method thereof

The invention provides a eukaryotic expression vector capable of selecting high expression clones conveniently and high efficiently. The eukaryotic expression vector is obtained via structure modification by taking pBudCE4.1 carrier as a basic carrier; peptide chain elongation factor gene promoter (P) on the basic carrier, and multiple cloning sites on the downstream of the peptide chain elongation factor gene promoter (P) are replaced by an expression element composed of attenuated SV40 promoter and dihydrofolate reductase gene on the downstream of the attenuated SV40 promoter; multiple cloning sites on the downstream of cytomegalovirus early promoter (P) of the basic carrier are replaced by new multiple cloning sites.
Owner:LANZHOU INST OF BIOLOGICAL PROD

FPGA based aviation camera real-time electronic zooming system

The invention provides an FPGA based aviation camera real-time electronic zooming system which has universality and can serve as an independent module to be added to an imaging link of an aviation camera. The FPGA based aviation camera real-time electronic zooming system comprises an image input module, an SRAM image storage module, an electronic zooming parameter setting module, a DRAM storage control module, a bilinear interpolation module and an image output module. Original images input by the aviation camera are sent to a memory in an FPGA chip through the image input module for temporarystorage, and then are stored in an SRAM through the SRAM image storage module for subsequent processing. The electronic zooming parameter setting module after receiving the electronic zooming instruction carries out corresponding parameter calculation and setting and inputs the parameters to the bilinear interpolation module; then the images are read out by the SRAM to the DRAM for bilinear interpolation processing, and finally the images are output by the image output module. So far, the electronic zooming processing of the aviation camera images is finished.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Water quality analyzing system based on dynamic comprehensive evaluating method for water resource security

The invention relates to a water quality analyzing system based on a dynamic comprehensive evaluating method for water resource security. The system comprises a body, a water quality detecting unit, a water level controlling unit, a water sample invoking unit, a communication unit and an external controller, wherein the water level controlling unit is fixedly connected with the body; the water inlet valve and water outlet valve of the water level controlling unit are respectively arranged on a water inlet and a water outlet; a cushion chamber is arranged at the water inlet valve; the water leakage holes of the cushion chamber are arranged in a staggered manner; an impeller unit of the water level controlling unit is arranged in the cushion chamber and comprises a variable-pitch spiral impeller assembly, a location bearing, a rotating shaft and a support; and the locus equation of the blade shape of the nth (n is greater than or equal to 1 and less than or equal to N) variable-pitch spiral impeller of the variable-pitch spiral impeller assembly from one end, closing to the water inlet valve, of the variable-pitch spiral impeller to the other end of the variable-pitch spiral impeller is as follows: Xi=r*cos(theta i+2pi*n / N), Yi=r*sin(theta i+2pi*n / N), Zi=(n-1)*(L+alpha) / N+(theta i / 2pi)m*[L-(N-1)alpha] / N.
Owner:BEIJING NORMAL UNIVERSITY

Pupil detection method and device

The invention is applicable to the technical field of computer detection and provides a pupil detection method and device. The method comprises the following steps of: acquiring pupil iris images of atested object in different luminous flux environments, wherein the pupil iris images comprise a reference image, a dark pupil image and a bright pupil image, and the reference image is used for representing the pupil iris image of the tested object when the luminous flux is preset; respectively calculating a first ratio of the pupil area to the iris area in the reference image, a second ratio ofthe pupil area to the iris area in the dark pupil image and a third ratio of the pupil area to the iris area in the bright pupil image; and determining whether the pupil of the detected object is abnormal or not according to the first ratio, the second ratio, the third ratio and a preset detection model. The method acquires the reference image, the dark pupil image and the bright pupil image of anobject to be detected in environments with different luminous fluxes, calculates the ratios of the pupil area to the iris area in the images, determines whether the pupil of the object to be detectedis abnormal not according to the area ratios, ensures the accuracy and universality of pupil detection, and improves the accuracy of pupil detection.
Owner:高金铎

Automatic loading and unloading robot for part machining

The invention discloses an automatic loading and unloading robot for part machining. The robot comprises a moving and adjusting frame, a hydraulic pump I, a grabbing disk and a machine base; the machine base is arranged below the moving and adjusting frame; a moving platform is horizontally arranged at the bottom of the moving and adjusting frame; a motor I is arranged at one end of the moving platform; and a motor IV is arranged above the moving platform. The robot has the beneficial effects as follows: the robot is widely applicable, can perform loading grabbing and movement on materials required before part machining and can also perform unloading grabbing, movement and adjustment on part products after part machining, so that the adaptation universality is guaranteed; the robot is highin automation degree of working and is time-saving and labor-saving in use, a motor II drives a turning plate and the grabbing disk for rotation adjustment, a motor III drives a hydraulic pump II andthe grabbing disk for up-and-down turning adjustment, and a motor VI below the hydraulic pump I drives the grabbing disk through a swinging rod I to rotate to adjust the dropping angle and height, sothat the robot can drop different kinds of parts or required materials more accurately and appropriately.
Owner:AVIC POWER SCI & TECH ENG

Novel molecular similarity search algorithm based on graph structure attention

The invention provides a novel molecular similarity search algorithm based on graph structure attention, which includes the following steps: 1) with similar molecules as a pretraining data, expressingthe similar molecules into the format of molecular graph through a graph convolution neural network, and converting the molecular graph into feature vectors by introducing the attention mechanism into the graph convolution neural network; 2) training the network to obtain the parameters in the formula, thus generating the similarity calculation formula; 3) expressing the new molecular by the formula of the new molecular graph through the method in the step 1), and converting the new molecular graph into a new feature vector, and performing similarity calculation by using the similarity calculation formula to obtain similarity score. By means of the method, the accuracy of the molecular similarity calculation is improved on the basis of guaranteeing the universality of searching.
Owner:OCEAN UNIV OF CHINA +1

Free conflux vortex impact monitoring system

The invention provides a free conflux vortex impact monitoring system comprising a front-end signal acquisition subsystem and a signal preprocessing subsystem. According to the front-end signal acquisition subsystem, a free conflux vortex vibration detection experiment table acts as a detection object, and a vibration signal parallel acquisition channel is set for parallel acquisition of the real-time vibration signals of each target position of the detection object and transmission of the real-time vibration signals to the signal preprocessing subsystem. The signal preprocessing subsystem comprises a filtering and conditioning module, a comparative analysis module and a decoupling separation module. The filtering and conditioning module receives the real-time vibration signals acquired by the front-end signal acquisition subsystem and adopts the method of combination of median filtering and linear self-adaptive filtering. The comparative analysis module receives the real-time vibration signals processed by the filtering and conditioning module and performs comparative operation with a standard signal template so as to obtain the state confidence of the vibration signals. The decoupling separation module is used for acquiring the useful components of the conflux vortex impact vibration signals. Real-time and accurate acquisition of the free conflux vortex formation process impact vibration signals can be effectively realized.
Owner:ZHEJIANG UNIV OF TECH

Nuclear magnetic resonance FID signal noise suppression method based on multilinear singular value tensor decomposition

The invention provides a nuclear magnetic resonance FID signal noise suppression method based on multilinear singular value tensor decomposition, and the method comprises the steps: obtaining a multi-channel signal: enabling one channel to start sampling at an interval of delta t through delay sampling, and obtaining the multi-channel signal; converting each channel signal into a Hankel matrix, forming a third-order tensor, performing Tucker decomposition and processing on the third-order tensor to obtain a third-order tensor, recovering the third-order tensor into a multi-channel signal, performing CP tensor decomposition processing on a second-order tensor X formed by the multi-channel signal, and finally obtaining a high signal-to-noise ratio signal xnew after fusion of multiple communication signals. The method has the advantages that the limitation of a current algorithm under strong noise interference is effectively overcome, meanwhile, the instantaneity and universality of the algorithm are guaranteed, the method can be suitable for instruments such as a proton magnetometer and a nuclear magnetic resonance water exploration instrument, the frequency domain measurement precision and the hydrological parameter accuracy of the instruments are improved, and the precision and accuracy of related geosciences are effectively improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Altitude measurement method and electronic equipment

The embodiment of the invention provides an altitude measurement method and electronic equipment, and relates to the technical field of positioning and navigation. The method comprises the following steps: 1, when the electronic equipment is located at the first position, the altitude corresponding to the first position is obtained through a navigation positioning device and an electronic map, andwhen the electronic equipment moves from the first position to the second position, the altitude corresponding to the second position is obtained according to the altitude corresponding to the firstposition and the sensor data measured by the sensor. According to the scheme, the altitude measurement precision can be improved. In addition, the hardware cost of the electronic equipment does not need to be increased, and the universality and the practicability of the scheme are guaranteed.
Owner:HUAWEI TECH CO LTD

DOC-DPF-SCR assembly device

The invention discloses a DOC-DPF-SCR assembly device. The device comprises a DOC-DPF assembly and an SCR assembly, and the DOC-DPF assembly is detachably connected with the SCR assembly; in the actual assembling, a connecting piece matched with a mounting space of a vehicle body is added between the DOC-DPF assembly and the SCR assembly to adapt to different automobile assembly. The DOC-DPF-SCR assembly device can be designed and installed according to the space of the whole vehicle so as to adapt to various types of vehicle types, and the device is diversified in installation form. Therefore, the DOC-DPF-SCR assembly device is provided, the universality of the DOC-DPF-SCR assembly is guaranteed, and the problem in the field at the present stage is solved.
Owner:WEICHAI POWER CO LTD +1

220kV outdoor power transformation equipment electroscope based on unmanned aerial vehicle technology

The invention discloses a 220kV outdoor power transformation equipment electroscope based on an unmanned aerial vehicle technology. The 220kV outdoor power transformation equipment electroscope comprises an unmanned aerial vehicle, a remote control device, an electricity testing device; the remote control device is in wireless connection with the unmanned aerial vehicle and the electricity testingdevice; the electricity testing device comprises an electricity testing needle, an electricity testing device main body and an unmanned aerial vehicle joint; the electricity testing needle and the unmanned aerial vehicle joint are respectively arranged at two ends of the electricity testing device main body; the unmanned aerial vehicle joint is detachably connected with the unmanned aerial vehicle; the remote control device sends a wireless signal to the unmanned aerial vehicle, controls the unmanned aerial vehicle to drive the electricity testing device to move to a location of electrical equipment, and consequently enables the electricity testing needle to be electrically connected with the electrical equipment; the unmanned aerial vehicle sends a detection device to the electricity testing device, and controls the electricity testing device to measure whether the electrical equipment is charged. By application of the technical scheme, an operating environment where operating personnel can be free from directly contacting high-voltage electrical equipment is realized.
Owner:XIAMEN ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER +1

Method and system for detecting near-surface cracks of bipolar plate made of graphite

The invention relates to a graphite bipolar plate near surface crack detection method and system, the detection system comprises an eddy current sensor, a support rod, a graphite bipolar plate placing groove, a transmission device, a signal generation acquisition analysis system and a computer, and the detection system is characterized in that the eddy current sensor is fixedly installed on the support rod; the transmission device is erected on the graphite electrode plate containing groove and used for controlling movement of the graphite electrode plate containing groove, the size of the graphite bipolar plate containing groove is adjusted to be suitable for bipolar plates of various specifications, and the signal generating, collecting and analyzing system is divided into a power module and a data collecting and analyzing module. And the data acquisition and analysis module is used for acquiring and analyzing the defect damage of the near surface of the graphite electrode. By means of the system, cracks of various sizes generated in the production process of the graphite bipolar plate can be detected.
Owner:CHINA JILIANG UNIV

Carrying robot capable of being applied to mountain terrains and control method

The invention discloses a carrying robot capable of being applied to mountain terrains and a control method. The robot is suitable for carrying tasks of most kinds of mountain terrains and comprise anelectromagnetic sucker, a large-volume cargo-bearing box, a leveling pipe, a retractable jack, a core processor, upper lateral retractable arms, lower lateral retractable arms, a counterweight box, ametal shell, retractable brackets, metal feet, a display screen, a storage battery, a solar panel and a high-definition camera; the upper lateral retractable arm and the lower lateral retractable armare rigidly connected with the metal shell; the electromagnetic sucker is rigidly connected with the metal shell through the retractable jack; the retractable bracket is hinged to the metal shell andthe metal feet; the solar panel is connected with the storage battery through a wire.
Owner:HOHAI UNIV

Cap screwing device for food filling bottles

The invention discloses a cap screwing device for food filling bottles. The cap screwing device for the food filling bottles comprises a power distribution box, a sliding rod, a base, a cap screwing sliding frame, a sliding block, a buffering disc, a lifting disc, a transmission ring, a glue spraying disc, a clamping screw awl, a power connecting wire, an electric coil, a pulling rod, a turnover shaft, a spraying hole, clamping sliding plates, a resistance increasing plate, a sliding trough and a suction disc. The cap screwing device for the food filling bottles has the beneficial effects that the cap screwing sliding frame conducts cap screwing on the filling bottles by sliding on the sliding rod, and the high efficiency of work is ensured; people can change the working distances between the cap screwing sliding frame and the filling bottles by pulling and drawing the pulling rod up and down through the lifting disc according to the sizes of different filling bottles, so that cap screwing is conducted on the filling bottles more accurately, and the high accuracy of work is ensured; the cap screwing device can clamp and rotate screw caps through the two clamping sliding plates, and people can freely adjust the clamping distance between the two clamping sliding plates according to the different sizes of bottle caps of the filling bottles, so that it is ensured that the device can conduct cap screwing on the different filling bottles, and the universality of adaptation is ensured; and the device is convenient to operate, stable, firm and reliable, and connection of all components is flexible.
Owner:GUANGXI GAONONG MACHINERY

Multifunctional bearing assembly with constant pressure and positioning functions

PendingCN111022484ACompensation after wear is achievedHas a buffering effectBall bearingsBearing componentsEngineeringSteel ball
The invention relates to the technical field of bearing manufacturing, and discloses a multifunctional bearing assembly with constant pressure and positioning functions. The multifunctional bearing assembly comprises an outer ring; inner rings are assembled in the outer ring, and the two inner rings are assembled in the outer ring in a vertically stacked manner; first arc-shaped grooves are formedin the outer side of the bottom end of the inner ring at the upper end and the outer side of the top end of the inner ring at the lower end, and corresponding second arc-shaped grooves are formed incorresponding positions of the inner wall of the outer ring; and steel balls are assembled between the two inner rings and the outer ring. According to the multifunctional bearing assembly, by adopting the separate design for the inner rings and the integrated design for the outer ring, the effect of compensation after roller path abrasion can be achieved, and the bearing has a certain buffering effect under an impact load; and besides, the inner rings are combined together through an inner race and an elastic gasket, the product achieves pre-tightening through the elastic gasket under a smallload, and the end face of the inner race is in rigid contact with the end faces of the inner rings under a high load to achieve large-load bearing.
Owner:JIANGSU LIANDONG BEARING

Power grid intermittent arc grounding simulation generation device and operation method thereof

The invention discloses a power grid intermittent arc grounding simulation generation device and an operation method thereof. The device comprises a rotating system, a discharging system, a supporting platform system and a control system. The rotating system comprises a first driving motor and a conductive disc; the conductive disc is an insulating disc, and conductive sheets are fixedly arranged at preset equally-divided positions of the insulating disc; the discharging system comprises a discharge electrode; the discharge electrode comprises a high-voltage electrode and a grounding electrode, wherein the first driving motor is fixedly mounted on the supporting platform system, and the first driving motor is connected with the conductive disc through a driving shaft and used for driving the conductive disc to rotate; and the control system is used for tracking the phase of the high-voltage electrode, controlling the rotating speed of the conductive disc based on the tracked phase, and realizing intermittent single-phase arc grounding discharge at a high-voltage alternating current preset position. The device can simulate the single-phase grounding fault, and can be used for carrying out the performance test of protection equipment, fault positioning equipment and the like of a power grid.
Owner:STATE GRID SHAANXI ELECTRIC POWER RES INST +1

Effect evaluation method and system for data model, electronic device and storage medium

The invention relates to an effect evaluation method and system for a data model, an electronic device and a storage medium, and the method comprises the steps: obtaining a test case set from an old data model server according to a preset time parameter; obtaining a first calculation result associated with the test case set from the old data model; inputting the test case set into the new data model to be executed, and obtaining a second calculation result; and comparing and evaluating the first calculation result and the second calculation result to generate an evaluation result. Through the invention, the problems of low evaluation efficiency and low accuracy caused by manual participation in an evaluation process in related technologies are solved, automatic comparison effect evaluation of the new data model and the old data model is realized, human factor intervention is avoided, and the test case set screened from the old data model server side by using the time parameter can guarantee the universality, the randomness and the timeliness of the test case, therefore, the accuracy and the evaluation efficiency can be improved.
Owner:ZHEJIANG NUMBER CHAIN TECH CO LTD

Semi-automatic test tube washer

The invention discloses a semi-automatic test tube washer. The semi-automatic test tube washer comprises a liquid conveying pipe, a gear transmission system, a brush rod and a water pump; the gear transmission system comprises a bearing and a tray gear which is arranged on the bearing in a sleeving mode and driven by a motor to rotate around the bearing; the brush rod is hollow to form a channel;the lower end of the brush rod is detachably fixed to the tray gear; a plurality of brush bristles are arranged on the periphery of the brush rod; a liquid outlet of the liquid conveying pipe penetrates through the bearing and then is inserted into the channel; and a liquid conveying port of the liquid conveying pipe is connected with the water pump. The semi-automatic test tube washer achieves semi-automatic washing of test tubes, the washing quality of the test tubes is ensured, and the test tubes are not prone to breaking; the water pump is adopted to control washing liquid and pure water to enter the test tubes in succession, low-efficiency complex operation of manually adding liquid in the washing process can be reduced, and energy can be saved; the brush bristles can ensure the effect that stains on the inner walls of the test tubes are effectively removed, and as the brush bristles are spiral and different in length, the resistance for liquid fed into the tops of the test tubesto flow out of the test tubes can be reduced; and the semi-automatic test tube washer can adopt to the test tubes of different types.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

Conventional water quality monitoring system and method based on remote sensing waveband combination

The invention provides a conventional water quality monitoring system and method based on remote sensing waveband combination, and the system comprises a hardware layer, a logic layer, a network layer, and an application layer. The hardware layer is connected with the logic layer, the logic layer is connected with the network layer, and the network layer is connected with the application layer; the hardware layer comprises a plurality of satellites, and remote sensing waveband data are obtained through the satellites; remote sensing preprocessing is performed on the remote sensing wave band data through the logic layer, and cloud picture rechecking processing is performed on the filtered remote sensing wave band data by adopting a parallel thread pool to obtain remote sensing image data; the network layer calculates the remote sensing image data based on a Bayesian linear regression model to obtain ground data; and the application layer performs real-time or timed data visualization conversion on the ground data and the remote sensing image data to obtain and store water quality monitoring index data. According to the invention, the universality, accuracy, reliability and stability of the system can be ensured.
Owner:重庆星视空间科技有限公司

Swing delivery transmitting device for candy processing transportation

The invention discloses a swing delivery transmitting device for candy processing transportation. The device comprises a first motor, a conveying belt is installed on one side of the motor, a moving sleeve ring is installed below the conveying belt, a first fixed penetrating seat is installed below the moving sleeve ring, a swing rotary rod is installed on one side of the first fixed penetrating seat, a second fixed penetrating seat is installed on one side of the swing rotary rod, and an placing containing plate is installed below the second fixed penetrating seat, a sliding frame is installed below the placing containing plate, a plurality of supporting sliding blocks are installed on the sliding frame, sliding grooves are formed in the lower portions of the supporting sliding blocks, afirst connecting bolt hole is formed in the placing containing plate, a connecting block is installed on one side of the placing containing plate, and a plurality of second connecting bolt holes are formed in the connecting block. According to the device, the working spacing of the swing rotary rod and the candy conveying belt is changed by siding the swing rotary rod forwards and backwards, so that the transmission of the conveying belt is conducted well and more accurately, and therefore the universality of fitting and the flexibility of using are ensured.
Owner:刘国云
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