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31results about How to "Strong response speed" patented technology

Method and device for testing software product robustness

The method includes steps: parsing object to be tested, picking up tested information from the object tested; displaying the picked test information, receiving test information input from user; generating test case based on the picked test information and the inputted test information; combining the test case and object to be tested creates testing target codes; running the testing target codes implements test for robustness of software product. The invention also related to device for testing robustness of software product. The invention can realizes automatic generation and automatic extraction for test information of tested object.
Owner:HUAWEI TECH CO LTD

Hydraulic servo battery pole piece rolling mill

The invention discloses a hydraulic servo rolling mill for producing battery pole sheets, which comprises a pedestal, a frame arranged on the pedestal, a lower mill roller and an upper mill roller both arranged inside the frame, a computer-controlled press-down servo hydraulic cylinder connected on a bearing seat for holding the rollers, and computer-controlled roller-bending hydraulic cylinders respectively arranged outside the lower bearing seat of the lower mill roller and the upper bearing seat of the upper mill roller to adjust the bearing clearance between the lower and the upper mill rollers. The invention has three control modes of constant-pressure, constant-clearance and constant-thickness rolling of battery pole sheets, achieves on-line real-time control of position and pressure of the roller and the thickness of the battery pole sheet, ensures the arbitrary switch among the three control modes, thereby meeting higher requirement for the accuracy of battery pole sheets.
Owner:邢台纳科诺尔精轧科技股份有限公司

Numerically-controlled precise grinding polisher

InactiveCN101596693AFlexible editingFlexible planning of processing technologyPlane surface grinding machinesMotor driveEngineering
The invention relates to grinding processing equipment mainly used for a silicon wafer, a harddisk substrate, a master disc of a compact disc, a ceramic wafer, a quartz crystal and other hard and brittle materials, in particular to a numerically-controlled precise grinding polisher. The grinding processing equipment comprises a welding box body (16); a main supporting seat (14) of the welding box body is provided with a mainshaft drive system (15); a cylinder rod of a rapid acting cylinder (5) of an upper disc device is downward and fixedly arranged in the center of a crossbeam; the cylinder rod of the rapid acting cylinder (5) is connected with a slow acting cylinder (4); the inside of an operating box (12) is provided with a flat computer of an upper machine for controlling motion; and the inside of an electric appliance cabinet (13) is provided with an industrial controller for controlling motion and a motor drive mechanism. The grinding processing equipment has wide speed regulation range, higher moving precision, rapider response speed and strong antijamming capacity, can be better suitable for the requirements of different grinding materials and grinding processes and realizes soft startup, soft shutdown, stable speed regulation and small impact.
Owner:LANZHOU RAPID INDGRPCO

Preparation method for fluorescent carbon quantum dot/SiO2/inorganic fluorescent powder ternary composite temperature sensing material

The invention discloses a preparation method for a fluorescent carbon quantum dot / SiO2 / inorganic fluorescent powder ternary composite temperature sensing material, and belongs to the field of composite functional material. According to the preparation method, anhydrous citric acid and organosilane are used as raw materials for synthesis of silane functionalized fluorescent carbon quantum dots, a sol-gel method is adopted, a hydrolytic copolycondensation reaction is carried out with tetraethoxysilane, and thus the fluorescent carbon quantum dot / SiO2 / inorganic fluorescent powder ternary composite material is obtained. In the temperature range of 100-440 K, the ratio of the fluorescent carbon quantum dots of the composite material to the fluorescence intensity of a fluorescent powder of the composite material has good linear relationship with the temperature, so that a way based on fluorescence thermal quenching is provided for temperature sensing detection. The fluorescent carbon quantum dot / SiO2 / inorganic fluorescent powder ternary composite temperature sensing material has the obvious advantages of high stability, fast response, high sensitivity and the like, and has good application prospects.
Owner:SOUTH CHINA AGRI UNIV

High-selectivity fluorescence probe for detecting cyanide ions in ratio mode and synthesis method and application thereof

The invention discloses a high-selectivity fluorescence probe for detecting cyanide ions in a ratio mode and a synthesis method and application thereof, and belongs to the technical field of chemical analysis and detection. A 4-amino-1,8-naphthalimide skeleton and haloacetic acid or a derivative thereof are subjected to condensation reaction to obtain the probe, and the probe has the following structure (the structure is defined in the description). The fluorophore of the probe is of a naphthalimide skeleton structure, and the response group for the cyanide ions is a haloacetic acid unit. The probe molecule has high selectivity and sensitivity to the cyanide ions, the detection range is 1.0-80.0 micromol / L, and the detection limit is 0.23 micromol / L. The probe can be used for qualitatively and quantitatively detecting the cyanide ions in the water body and a practical sample.
Owner:SHANGQIU NORMAL UNIVERSITY

High-power capacity and high-power microwave protection device

The invention relates to the technical field of interference protection and discloses a high-power capacity and high-power microwave protection device. The device comprises an input interface, an output interface, a multi-stage steady-state filter circuit and a three-stage transient bleeder circuit, wherein the multi-stage steady-state filter circuit is composed of a plurality of steady-state filter circuits connected in series, two ends of the multi-stage steady-state filter circuit are connected with the input interface and the output interface through microstrip lines respectively, and thethree-stage transient bleeder circuit is connected in parallel with the steady-state filter circuit through an impedance matching line. The device is large in rated power capacity, small in insertionloss, high in response speed, high in universality, convenient to install and maintain, capable of effectively preventing high-power microwaves from damaging electronic equipment, and capable of beingapplied to high-power microwave protection of short-wave, ultra-short-wave and other receiving and transmitting integrated communication systems.
Owner:CHINA ELECTRONICS TECH CYBER SECURITY CO LTD

Environment-friendly inner wall paint and preparation method thereof

The invention discloses environment-friendly inner wall paint, which is prepared from the following ingredients in parts by weight: 35 to 45 parts of fluorine-containing triazine type film forming polymers, 10 to 15 parts of phosphoric acid modified nanometer titanium dioxide, 20 to 30 parts of pigment filling materials, 2 to 5 parts of anti-foaming agents, 3 to 7 parts of coalescing agents and 20to 30 parts of water. The preparation method of the environment-friendly inner wall paint comprises the following steps that the fluorine-containing triazine type film forming polymers, the phosphoric acid modified nanometer titanium dioxide, the pigment filling materials, the anti-foaming agents, the dispersing agents and the coalescing agents are proportionally put into a high-speed mixing machine to be mixed for 20 to 30min, and are then charged into a ball milling tank; after the ball milling treatment is performed for 5 to 8h, mixed powder is obtained; then, water is added into the mixedpowder; at the rotating speed being 1200 to 1500 turns per minute, dispersion is performed for 10 to 15 minutes; next, curing is performed for 2 to 5 days; sampling for inspection is performed; afterthe products are qualified, sieving and packaging are performed. The environment-friendly inner wall paint disclosed by the invention has the advantages that the price is cheap; the formaldehyde absorption and decomposition effects are obvious; the efficiency is high; the secondary pollution cannot be caused; the visible light response speed is high; the fireproof performance and the bonding capability are high; the weathering performance is good.
Owner:南通涂冠环保科技有限公司

Text-based vehicle image fine-grained retrieval system

The invention provides a text-based vehicle image fine-grained retrieval system, which allows a user to acquire required information in a natural language retrieval mode, and reduces a retrieval threshold compared with a method for retrieving an image by using an image. A cross-modal semantic matching task between the text and the image is converted into a text semantic matching task which is moredirect, high in interpretability, simple and mature in research; the retrieval text of the near-end time is periodically analyzed, and interest words and interestingness are extracted to establish aninterest word list, and the interest word list is utilized to predict retrieval trends of users, and fine-grained description texts which better accord with recent user interest points are generatedfor images, and dynamic updating of an image description text library is realized, so that the flexibility and retrieval performance of the method are improved; and fine-grained characteristics of each part of the vehicle can be accurately captured, so that different vehicles of the same vehicle type can be identified more accurately.
Owner:SUN YAT SEN UNIV

Fluorescent probe for selective ratiometric detection of cyanide ion and its synthesis method and application

The invention discloses a high-selectivity fluorescence probe for detecting cyanide ions in a ratio mode and a synthesis method and application thereof, and belongs to the technical field of chemical analysis and detection. A 4-amino-1,8-naphthalimide skeleton and haloacetic acid or a derivative thereof are subjected to condensation reaction to obtain the probe, and the probe has the following structure (the structure is defined in the description). The fluorophore of the probe is of a naphthalimide skeleton structure, and the response group for the cyanide ions is a haloacetic acid unit. The probe molecule has high selectivity and sensitivity to the cyanide ions, the detection range is 1.0-80.0 micromol / L, and the detection limit is 0.23 micromol / L. The probe can be used for qualitatively and quantitatively detecting the cyanide ions in the water body and a practical sample.
Owner:SHANGQIU NORMAL UNIVERSITY

Gabor conversion and extreme learning machine neural network-based seal performance detection method for aluminum foil seal

The invention discloses a Gabor conversion and extreme learning machine neural network-based seal performance detection method for an aluminum foil seal. The method comprises the steps of firstly performing Gabor conversion on a thermogram set of different feature types of collected aluminum foil seals, and training an extreme learning machine (ELM) neural network by utilizing a conversion result;and secondly performing real-time image texture feature extraction, classification identification and seal performance judgment on thermograms by utilizing the trained neural network. Through comparative analysis with a back propagation (BP) neural network for extracting color features, it is discovered that the Gabor conversion and ELM-based detection method has the advantages of strong networkgeneralization, high response speed, relatively high algorithm precision and the like, and can meet precision requirements of seal performance detection.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY

Metal phthalocyanine loaded fluorescent carbon quantum dot as well as preparation method and application thereof

ActiveCN112552306AEmission spectrum wavelength longEmission peak half maximum width narrowMaterial nanotechnologyOrganic chemistry methodsCatecholamineSpecific detection
The invention discloses a metal phthalocyanine loaded fluorescent carbon quantum dot as well as a preparation method and application thereof, and the preparation method comprises the following steps:firstly, preparing fluorescent carbon quantum dots (CQDs) and metal phthalocyanine (MPc) with a catalytic function by adopting a nano-synthesis technology, and then realizing effective loading of theCQDs and the MPc by adopting an organic-inorganic nano-composite technology to prepare the loaded carbon quantum dot. According to the invention, metal phthalocyanine with a catalytic function and a fluorescence signal sensing group carbon quantum dot are integrated, when the loaded carbon quantum dot catalyzes catecholamine oxidation, an electron transfer channel between CQDs and MPc is destroyed, and fluorescence of the carbon quantum dot is turned on, so that catecholamine catalysis and detection are carried out at the same time. The method has the advantages of being convenient to use andoperate, high in anti-interference capacity, sensitive and reliable in result, low in detection limit, high in response speed and good in stability, real-time online rapid and specific detection can be achieved, and good application prospects and potential application value are achieved.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Distributed hydraulic-pneumatic braking system of heavy transport vehicle and control method

The invention discloses a distributed hydraulic-pneumatic brake system of a heavy transport vehicle and a control method, the system comprises a brake control system, a hydraulic brake system and a pneumatic brake system, the hydraulic brake system is arranged on a tractor, and the pneumatic brake system is arranged on a trailer; the control method comprises the steps that the vehicle executes a conventional braking mode, a rapid braking mode and an emergency braking mode according to the change speed of braking pedal force at the beginning of braking, the advance of the pneumatic braking system is flexibly designed according to the braking modes, and pressure adjustment is achieved in an electric control mode; and a drum brake with a good braking effect is used in the hydraulic braking system. The air pressure braking system uses a disc brake with better heat dissipation performance, the whole vehicle uses two braking systems, and the characteristics of high sensitivity of a hydraulicbraking system and high braking force of a pneumatic braking system are brought into play; and compared with a traditional braking system, the distributed hydraulic-pneumatic brake system is advantageous in that the response speed of the system is higher, and the braking efficiency, braking stability, safety and comfort of the heavy transport vehicle are improved.
Owner:CHINA UNIV OF MINING & TECH

Device and method for detecting microsphere defects by combining dark field imaging with space phase-shifting interference

InactiveCN112903713ASolve the lack of depth informationIncrease contrastOptically investigating flaws/contaminationGrismBeam splitter
The invention discloses a device and method for detecting microsphere defects by combining dark field imaging with space phase-shifting interference, and relates to the technical field of optical detection. The problem of low detection efficiency is solved. Linearly polarized light sequentially penetrates through a lambda / 2 wave plate, a 4f beam expanding system and a high-power microscope objective and then enters a pinhole of a pinhole reflector, and a part of light diffracted by the pinhole reflector is reflected by a D-shaped reflector to a second collimating lens to form reference light. The rest part of the light sequentially penetrates through the first collimating lens, the lambda / 4 wave plate, the beam splitter prism and the microscope objective to enter the measured microsphere, the reflected light of the light sequentially penetrates through the microscope objective, the beam splitter prism, the imaging lens and the mask plate to enter the imaging CCD to form a two-dimensional information image of the measured microsphere, and the transmitted light of the beam splitter prism returns to the second collimating lens along the original path to be collimated to form measuring light; the reference light and the measuring light are superposed and modulated by the wave plate group, and the polarization analyzer enables the reference light and the measuring light to generate interference and then to enter the large-area-array high-speed camera to form a three-dimensional information image of the measured microsphere.
Owner:HARBIN INST OF TECH

High voltage to low voltage TSC device

The invention discloses a high voltage to low voltage TSC device, and relates to the field of power devices. The device comprises a high voltage busbar, a circuit breaker A, a step-down transformer, an isolating switch, a current transformer, a lightning arrester, a low voltage busbar, a circuit breaker B, a thyristor switch, a series reactor, a capacitor, a microcomputer controller, a sampling PTand a sampling CT. The device combines the multiple functional features of SVC, SVG and high voltage group compensation, abandons their respective shortcomings, and is a new reactive power compensation method and idea.
Owner:瑞通阿西亚(天津)科技有限公司

Method and device for testing software product robustness

The method includes steps: parsing object to be tested, picking up tested information from the object tested; displaying the picked test information, receiving test information input from user; generating test case based on the picked test information and the inputted test information; combining the test case and object to be tested creates testing target codes; running the testing target codes implements test for robustness of software product. The invention also related to device for testing robustness of software product. The invention can realizes automatic generation and automatic extraction for test information of tested object.
Owner:HUAWEI TECH CO LTD

A kind of environment-friendly interior wall coating and preparation method thereof

The invention discloses environment-friendly inner wall paint, which is prepared from the following ingredients in parts by weight: 35 to 45 parts of fluorine-containing triazine type film forming polymers, 10 to 15 parts of phosphoric acid modified nanometer titanium dioxide, 20 to 30 parts of pigment filling materials, 2 to 5 parts of anti-foaming agents, 3 to 7 parts of coalescing agents and 20to 30 parts of water. The preparation method of the environment-friendly inner wall paint comprises the following steps that the fluorine-containing triazine type film forming polymers, the phosphoric acid modified nanometer titanium dioxide, the pigment filling materials, the anti-foaming agents, the dispersing agents and the coalescing agents are proportionally put into a high-speed mixing machine to be mixed for 20 to 30min, and are then charged into a ball milling tank; after the ball milling treatment is performed for 5 to 8h, mixed powder is obtained; then, water is added into the mixedpowder; at the rotating speed being 1200 to 1500 turns per minute, dispersion is performed for 10 to 15 minutes; next, curing is performed for 2 to 5 days; sampling for inspection is performed; afterthe products are qualified, sieving and packaging are performed. The environment-friendly inner wall paint disclosed by the invention has the advantages that the price is cheap; the formaldehyde absorption and decomposition effects are obvious; the efficiency is high; the secondary pollution cannot be caused; the visible light response speed is high; the fireproof performance and the bonding capability are high; the weathering performance is good.
Owner:南通涂冠环保科技有限公司

Programmable overvoltage protection device having VDMOS and thyristor

The invention relates to a programmable overvoltage protection device with a VDMOS and a thyristor, and belongs to the technical field of power semiconductors. According to the programmable overvoltage protection device, two VDMOSs are used for providing independent control over two NPNP thyristors respectively, and the gate ends of the VDMOSs are connected with negative power supply voltage; or,the two VDMOSs are respectively used for providing independent control over the two PNPN thyristors; the gate end of the VDMOS is connected with positive power supply voltage; when the negative voltage on the telephone line is lower than a threshold voltage of the power supply voltage or the positive voltage is higher than the threshold voltage of the power supply voltage, the device is started and conducts overvoltage generated by surge on the transmission line to the ground, so that a subscriber line interface circuit (SLIC) is protected from surge overvoltage caused by lightning stroke andother factors, one-way programmable protection is realized, and the characteristics of a VDMOS longitudinal structure and a unipolar device are utilized, so that the power consumption is low, the temperature characteristic is good, the programmable input voltage range is wider, and the surge voltage bearing capacity is higher.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Large-scale road maintenance machinery network control system and design method thereof

The invention discloses a large-scale road maintenance machinery network control system and a design method thereof. The system comprises a main control module, a centralized control module, a display module, an Ethernet switch and a plurality of I / O modules. The main control module, the centralized control module, the display module and the Ethernet switch form a train-level network. The main control module, the centralized control module and the display module form an in-vehicle network. The main control module, the centralized control module and the plurality of I / O modules form an I / O sub-network. A three-level control network is composed of a train-level network, an in-train network and an I / O sub-network so as to realize decentralized control of running and operation functions of the large-scale road maintenance machinery. According to the invention, the technical problems of high cost of extended input and output points, complex secondary construction of a system network structure and low hardware cost performance of an existing large-scale road maintenance machinery network control system based on a two-stage network can be solved.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

A metal phthalocyanine-loaded fluorescent carbon quantum dot and its preparation method and application

ActiveCN112552306BEmission spectrum wavelength longEmission peak half maximum width narrowMaterial nanotechnologyOrganic chemistry methodsCatecholamineChemical physics
The invention discloses a metal phthalocyanine-loaded fluorescent carbon quantum dot and its preparation method and application. First, fluorescent carbon quantum dots (CQDs) and metal phthalocyanine (MPc) with catalytic function are prepared by nano-synthesis technology, and then organic- Inorganic nanocomposite technology realizes the effective loading of CQDs and MPc to prepare the loaded carbon quantum dots. The invention integrates the metal phthalocyanine with catalytic function and the carbon quantum dot of the fluorescent signal induction group. When the loaded carbon quantum dot catalyzes the oxidation of catecholamine, the electron transfer channel between CQDs and MPc is destroyed, and the carbon quantum dot Fluorescence is "turned on" allowing simultaneous catalysis and detection of catecholamines. The method has the advantages of convenient operation, strong anti-interference ability, sensitive and reliable results, low detection limit, fast response speed, and good stability. It can realize fast and specific detection on-line in real time, and has good application prospects and potential Value.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

A preparation method of a ratio oxygen sensing film for detecting dissolved oxygen content

ActiveCN110108683BGood ratiometric oxygen sensing performanceHigh linear correlationFluorescence/phosphorescencePhysical chemistryToluene
The invention discloses a preparation method of a ratio oxygen sensing film for detecting dissolved oxygen content, and relates to a preparation method of a ratio oxygen sensing film. It is to solve the problems that the existing ratiometric oxygen sensing method pollutes the water sample to be tested, is not recyclable, causes high cost, and has poor photobleaching resistance. Method: 1. Evenly disperse the azobisisobutyronitrile solution in the St / TFEMA mixed solution, and then carry out the copolymerization reaction on the mixed solution under the protection of nitrogen to obtain a copolymer solution; wash and filter with suction; 2. Mix PtOEP / toluene Mix the solution with the C6 / toluene solution to obtain a mixed indicator solution; redissolve the copolymer solution in toluene to obtain a copolymer / toluene solution; mix the copolymer / toluene solution with the mixed indicator solution, smear on a quartz plate, and dry A ratiometric oxygen sensing membrane was obtained. The ratio oxygen sensing membrane of the present invention can be recycled for many times, has no pollution to the environment, and has the ability of resisting photobleaching. The invention is used in the field of dissolved oxygen detection.
Owner:HARBIN INST OF TECH

A text-based fine-grained vehicle image retrieval system

The present invention provides a text-based fine-grained retrieval system for vehicle images, which allows users to obtain the required information in a natural language retrieval manner, which reduces the retrieval threshold compared with the method of image retrieval by using images; The modal semantic matching task has been transformed into a more direct, interpretable, simple, and well-researched semantic matching task between texts; regularly analyze the retrieved text at the proximal time, extract interest words and interest degrees, and establish interest words Table, and use the interest vocabulary to predict the user's retrieval trend, generate fine-grained description text for the image that is more in line with the recent user's interest points, and realize the dynamic update of the image description text library, so as to improve the flexibility and retrieval performance of this method; It can accurately capture the fine-grained features of each part of the vehicle, so that different vehicles of the same model can be more accurately identified.
Owner:SUN YAT SEN UNIV

A kind of detection method of glyphosate

The invention discloses a glyphosate detecting method. Green fluorescence of coumarin is quenched by the electron transfer effect on the basis of copper ions; carboxyl and phosphate groups on glyphosate and the copper ions can be chelated to form a compound, so that the fluorescence of coumarin is recovered. The detecting method has the advantages that in the glyphosate detecting process, the operation is simple; the detection specificity is high; the detection sensitivity is high; the response speed is high; the result is sensitive and reliable; the cost is low; the real-time online fast andspecific detection can be realized; the method can be used for simple and fast detection on glyphosate pesticide residues in tap water and rice. Good application prospects and potential application values are realized in the fields of detection and analysis.
Owner:CHONGQING UNIV

Drive signal anti-collision protection device, air conditioner system and control method

The invention discloses a drive signal anti-collision protection device, an air conditioner system and a control method. The device comprises a main chip (100), a protection circuit (200) and a drive circuit (300). The main chip (100) is configured to send a drive signal to the drive circuit (300). The protection circuit (200) is connected to the main chip (100) and the drive circuit (300). The protection circuit is configured to judge the states of drive signals, and when the state judgment result includes effective drive signals, one path of the effective drive signal is selected and output to the drive circuit (300) to be used for preventing the drive signals from collision. The drive circuit (300) is configured to drive the corresponding load based on the path of the selected effective drive signal. By the adoption of the scheme, the defects that in the prior art, antijamming capacity is weak, the response speed is low and the reliability is poor can be overcome, and the beneficial effects that the antijamming capacity is high, the response speed is high, and the reliability is high are achieved.
Owner:GREE ELECTRIC APPLIANCES INC

Fluorescent carbon quantum dots/sio 2 / Preparation method of inorganic phosphor ternary composite temperature sensing material

The invention discloses a preparation method for a fluorescent carbon quantum dot / SiO2 / inorganic fluorescent powder ternary composite temperature sensing material, and belongs to the field of composite functional material. According to the preparation method, anhydrous citric acid and organosilane are used as raw materials for synthesis of silane functionalized fluorescent carbon quantum dots, a sol-gel method is adopted, a hydrolytic copolycondensation reaction is carried out with tetraethoxysilane, and thus the fluorescent carbon quantum dot / SiO2 / inorganic fluorescent powder ternary composite material is obtained. In the temperature range of 100-440 K, the ratio of the fluorescent carbon quantum dots of the composite material to the fluorescence intensity of a fluorescent powder of the composite material has good linear relationship with the temperature, so that a way based on fluorescence thermal quenching is provided for temperature sensing detection. The fluorescent carbon quantum dot / SiO2 / inorganic fluorescent powder ternary composite temperature sensing material has the obvious advantages of high stability, fast response, high sensitivity and the like, and has good application prospects.
Owner:SOUTH CHINA AGRI UNIV
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