1020results about How to "Big progress" patented technology

A method for executing single-key multi-pattern includes setting a specific application pattern key on portable digital data processing device, ejecting out and item selection after said key is pressed for providing specific application pattern being able to be executing then enabling user to use only single application pattern key to execute multiple application pattern.

The invention discloses an adaptive control system based on a radial basis function (RBF) neural network sliding mode control for a micro-electromechanical system (MEMS) gyroscope, and the system comprises a gyroscope and a control circuit, wherein the control circuit comprises a sliding mode controller and an RBF neural network; the difference of displacement of the three-axis gyroscope in the directions of three coordinate axes x, y and z and displacement of a reference model is taken as the input of the sliding mode controller. In the adaptive control system, an adaptive sliding mode control method is applied in controlling the gyroscope, so as to improve the stability and reliability of the system; and the RBF neural network is adopted to carry out adaptive learning on upper boundary of uncertain interference, thus reducing the influence of measurement error and external interference, effectively lowering the occurrence of buffeting, and achieving a better control effect.

The invention discloses an automatic test system and a method thereof, which are operated on a computer terminal and used for testing communication equipment through a tooling plate and a meter, wherein the system comprises a test parameter configuration module for configuring test parameters required by test, a meter calibration module for calibrating the meter to obtain a meter calibration result, a dynamic execution control module for setting working states and working modes of the communication equipment through communication with the tooling plate and controlling the meter at a normal working state according to the test parameters, and a meter test module connected with the dynamic execution control module for testing indexes of the communication equipment through the state of the control meter when the meter works in the normal working state, and returning an index test result to the dynamic execution control module for processing. The system and the method achieve efficient and automatic test for large-scale communication products of a production line.

The invention provides a method for preparing a polyimide nano-film. The method comprises the steps: firstly, synthesizing polyimide resin from aromatic tetracid dihydride, aromatic diamine and aromatic diisocyanate; and then, mixing the polyimide resin, a polar organic solvent, a diluent, a film forming agent and a molecular weight regulator so as to obtain a polyimide solution system, then, carrying out nano-scale uniform spreading on a clean substrate by dint of the action of a mechanical external force of 0.5N to 30N, and then, carrying out an imidization method, thereby preparing the polyimide nano-film. According to the film, the high-temperature resistance is 10 seconds at the high temperature of 400 DEG C to 750 DEG C, and the electrical insulation property is that the dielectric constant is 1.5 to 4.5 at the frequency of 103Hz. Compared with the prior art, the polyimide nano-film prepared by the method has the advantages of excellent surface physical properties and stable chemical properties, high-temperature resistance, electrical insulation properties and chemical corrosion resistance.

The invention discloses a dynamic payment system and a method based on asynchronous communication technique. The system includes a payment card, a cardholder mobile terminal, a payment terminal, a payment card system server, and one or more third party payment systems. The dynamic system achieves one card being integrated by multiple cards and offline payment. The dynamic payment method is further linked with other accounts of a cardholder through the relevance between the payment card and the mobile terminal, so that the cardholder can choose different accounts according to different payment scenes, and the security and choosability of the payment and choice can be improved.

The invention discloses a health wrist strap device which comprises a wrist strap main body and a data terminal used for processing and displaying data. The wrist strap main body comprises a central processing unit, a blood pressure detection module, an ambulatory blood pressure detection module, a cardiotachometer module, a pedometer module, a global position system (GPS) module, a storage unit and a communication unit. The health wrist strap device can detect a plurality of health data such as blood pressure, temperature and the heart rate of human bodies simultaneously, and can obtain health data of the detected human bodies in real-time detection and offline detection modes. A health monitoring method can be used for analyzing and assessing the plurality of health data so that people can visually obtain the health states of the detected human bodies. Especially when the health data of the detected human bodies are abnormal, the abnormal position can be located, prompts or alarms can be given through the data terminal, and therefore timely response measures taking is facilitated.

The invention relates to a method for testing oil oxidation stability. The method comprises the following steps of: supplying an oil processing device which comprises a thermostatic container and an oil container, wherein the oil container is arranged in the thermostatic container and is provided with an air intake pipe and an air outlet pipe; feeding the tested oil and a metal catalyst into the oil container; introducing air into the tested oil via the air intake pipe, wherein the flow of the air is 1 L/H to 20 L/H; measuring the temperature of the tested oil, orderly extracting samples from the tested oil according to a predetermined time sequence after the temperature of the tested oil is up to a set value, and measuring the viscosity, the acid value, the oxidation value and the nitration value of each sample; and measuring the content of an insoluble substance (n-pentane) of the remained oil in the oil container. Through the method, the samples can be sampled by many times during the testing process, so that a performance change trend of the oil is obtained; and the detergent dispersibility and the thermal oxidation stability of the oil can be evaluated.

The invention relates to a display color temperature inspection adjusting device. It comprises signal generator, color temperature detector, color analyzer, and computer system. The display color temperature adjusting method comprises generating an image signal, sending image signal to display, displaying an image, detecting image color temperature, generating No. 1 color temperature detecting value, sending No. 1 color temperature detecting value to computer system, and comparing No. 1 color temperature detecting value with the preset value by the computer system. It is used to on line color temperature inspection calibration with signal generator and accumulator, with the signal generator providing signal to the display, free from computer system inputting signal to display for color temperature inspection and calibration, accumulating device to connect several display to be adjusted to the computer system, color inspecting for several display and adjusting, with improved efficiency of on line color temperature adjusting operation.

The invention relates to a wall with a tie steel mesh structure. The wall comprises steel meshes, a transverse tie member, a longitudinal positioning supporting member and a filling layer, wherein the filling layer is filled between the steel meshes on the two sides; the steel meshes on the two sides are fixedly connected with the longitudinal positioning supporting member; the transverse tie member passes through the filling layer, and the two ends of the transverse tie member are respectively fixed on the longitudinal positioning supporting member which is fixedly connected with the steel meshes on the two sides; and the steel meshes, the transverse tie member, the longitudinal positioning supporting member and the filling layer are integrated into the wall with the tie steel mesh structure. The invention has the advantages that: the wall with the tie steel mesh structure is safer and more environmental-friendly, has higher thermal insulation property and water resistance, is convenient to construct on site, and saves materials and cost more.

The invention relates to a novel marble adhesive, which is mainly composed of a colloid component and a curing agent component; wherein the colloid component is mainly composed of unsaturated polyester resin, a thixotropic agent, and filling materials; and the curing agent component is mainly composed of a plasticizer, an unsaturated polyester resin initiator, filling materials, and a thickening agent. The novel marble adhesive has a curing effect even under damp and low-temperature environment; besides the marble adhesive has very good properties on hardness, roughness, polishing property, weatherability, and corrosion resistance.

The invention discloses a preparation method of a high-thermal-conductivity silicon nitride substrate, which belongs to the technical field of ceramic material preparation. Silicon nitride powder is adopted as a raw material, rare earth oxide and alkaline earth metal oxide are added to serve as a mixed sintering aid, the adding amount is 6 wt%-10 wt%, a high-molecular compound is added, ball milling and mixing are conducted in an organic solvent, and slurry is formed. Tape casting is carried out to form a green body, presintering of the green body in nitrogen at 1400-1600 DEG C for 1-5 hours is conducted, and heat preservation in an air pressure sintering furnace at 1800-2000 DEG C for 2-10 hours is carried out under the nitrogen pressure of 0.5-3 MPa. The silicon nitride powder used in the invention is high-purity alpha-phase silicon nitride, has very high specific surface area and high sintering activity, and can effectively reduce the densification temperature. The added high-molecular carbon-containing compound is a multi-component compound and is degreased and pre-sintered in an inert atmosphere, so that the thermal conductivity of the product can be improved. The thermal conductivity of the prepared silicon nitride ceramic substrate is not lower than 90 W/m.K, and the bending strength is not lower than 800 MPa.

The invention relates to a method for manufacturing a metal surface pattern, which comprises: coating photosensitive resist on a metal surface to form a photosensitive adhesive layer; covering an enclosure provided with a preset pattern on a metal surface cover; providing irradiation light to the metal surface from the outside of the enclosure, and exposing the photosensitive resist; removing the unexposed photosensitive resist; and etching, coloring or coating the metal surface. The metal surface is a curved surface (a curved surface which can not be expanded), the enclosure has a curved surface which is the same as the metal surface or a similar curved surface which is offset and magnified, and the curved surface has a distance from the photosensitive adhesive layer. The enclosure is made of transparent material, and the preset pattern is a nontransparent pattern. The method is suitable for the curved surface which has complex shape and large curvature and can not be folded, and has no limit for the preset pattern; the method improves pattern transfer efficiency greatly, so that the method can be used for batch production of metal products; and the method also solves the problem of difficult control for the tolerances of shape and size caused by deformation during the production of the metal products with the curved surfaces.

The invention discloses an isolated multipath 4-20mA-current signal output circuit, comprising a PWM (Pulse-Width Modulation) module, an isolating and shaping module, a filtering module, a V/I conversion module and an AC/DC (Alternating Current/Direct Current) power module, wherein the PWM module is used for generating a PWM waveform corresponding to an MCU (Microprogrammed Control Unit) control value; the isolating and shaping module is used for isolating the received PWM signal and recovering the waveform of the PWM signal; the filtering module is used for filtering the received PWM signal to convert the PWM signal into DC voltage; the V/I (Voltage/Current) conversion module is used for converting the DC voltage into current signal to output; and the AC/DC power module is used for supplying power to the isolating and shaping module, the filtering module and the V/I conversion module. According to the invention, digital-to-analog conversion is realized by adopting PWM output and RC (Resistor-Capacitor) filtering, and 12-bit precision is realized; the isolating and shaping module is utilized to realize the isolation and waveform recovery of the PWM signal; the V/I conversion module is utilized to realize the stable current output; and the AC/DC power module is utilized to realize the power isolation for multipath current output and supply a stable voltage.

A method for monitoring hole-filling ability of copper electroplating liquid includes utilizing copper rotary electrode to obtain the first relative potential value of electroplating preparation under the first rotating speed and obtain the second relative potential value of electroplating preparation under the second rotating speed, calculating out potential D-value between two obtained relative potential values and confirming that hole-filling ability is more stronger when potential D-value is more large.

The invention relates to a vehicle reverse track auxiliary method, for providing reverse track to driver, used in reverse drive. The invention uses image technique to calculate a steering signal of steering wheel via a track database or math equation, and displays the calculated result on a display, uses the distance with obstacle obtained by an ultrasonic ranging radar as a reference of internal image process, to provide a vehicle reverse track auxiliary method with instant quick reaction, high adaptability and simple installment, to reduce cost.

The invention relates to the technical field of the fertilizer, in particular to liquid fertilizer and a preparation method thereof. The liquid fertilizer is prepared from the following raw materials according to parts by weight: 42.3-67.8 parts of biogas slurry, 2.6-7.9 parts of sodium humate, 5.2-10.5 parts of potassium sulfate and 24.4-39.3 parts of urea. According to the liquid fertilizer disclosed by the invention, the soil character can be obviously improved, the function of a soil living body is strengthened, the soil environment quality is comprehensively improved, and soil-borne diseases can be effectively inhibited.

The invention relates to an oil-gas-water flow measurement system which comprises an integrated three-phase flow meter, a metering separator used for the three-phase separation of oil, gas and water, an oil flow meter, a gas flow meter and a water flow meter for the separate metering of oil, gas and water after the separation. The integrated three-phase flow meter includes a main pipe, a venturi device which is arranged on the main pipe and used for measuring the flow of the fluids in the main pipe, a conductivity measuring sensor which is arranged in the main pipe and used for calculating the gas phase fraction of the small gas bubble, the gas phase fractions of oil, gas and water, and the flow rate of the gas and liquid, a capacitance measuring sensor which is arranged in the main pipe and used for calculating the gas phase fractions of the big and small bubbles, the gas phase fractions of oil, gas and water, and the flow rate of gas and liquid and a Gamma densimeter which is arranged in the main pipe and used for calculating the density of the fluids. The oil-gas-water flow measurement system has the advantages of accurately measuring the water content of the condensate oil of the high-pressure condensate gas well, realizing the online monitoring of the oil gas well and becoming more practical.

The plug of USB connector includes following parts: main body of the plug includes two coaxial pin-connected bulges setup at two ends at top part, and through the said pin-connected bulges, the plug can be turned out from electronic device and inserted to USB socket; metal terminal set, one end of the set setup on external surface of the main body of the plug is connected to electric terminals of USB socket electrically when in state of inserting to USB socket; and the other end is connected to print circuit board setup on main body of electronic device. Depressed part on device is in use for accommodating plug of USB connector. Being setup on top of two walls, the taking up parts are corresponding to the pin-connected bulges for their connection. Advantages are: anti abrasion, preventing break, easy of carrying, reducing integrity of product, and convenient for use at narrow space.

The invention relates to a power supply system, which comprises a circuit board, a first electrode board, a second electrode board, a first packaging unit and a second packaging unit. The circuit board comprises at least an isolation region; the first electrode board comprises a first current collection layer and a first active material layer, and the first active material layer is positioned between the isolation region and the first current collection layer and oppositely arranged to the isolation region; the second electrode board comprises a second current collection layer and a second active material layer, the second active material layer is positioned between the isolation region and the second current collection layer and oppositely arranged to the isolation region; the first packaging unit is positioned between the first electrode board and the circuit board and arranged around the first active material layer in an encircling way; the second packaging unit is positioned between the second electrode board and the circuit board and arranged around the second active material layer in an encircling way.

The invention discloses a method for realizing high-trapping-light nanostructure single-face texture surface making. The method comprises the steps: cleaning a silicon wafer; conducting re-spreading to the surface of the silicon wafer; removing residues on the surface of the silicon wafer which is re-spread; coating TiO2 of a nanostructure on the surface of the silicon wafer or depositing Ti on the surface of the silicon wafer, and rapidly annealing; conducting wet etching on the silicon wafer to form the nanostructure; and removing oxide and titanium ions which are not completely reacted on the surface of the silicon wafer. Compared with the prior art, the method is adopted to prepare the high-trapping-light nanostructure, only technology sequence is changed, and under the premise that key equipment is not increased, only one light source needs to be added or only sun light needs to be led in so that the purpose of single-face texture surface making can be achieved. The nanostructure has a good light trapping effect. Besides, the method is simple in process step, and suitable for mass production.

A hook linkage structure is pin jointing said linkage structure separately on the first shell with an opening and on the second shell with a holding unit, forming said linkage structure by a check-fastening element and a pressing down element as well as an elastic element. It features that said check-fastening element in moved to the first position and is checked with holding unit on the second shell to each other when said pressing down element is moved towards to the first direction by an external force.

The invention discloses an RFID-technology-based campus anti-theft system and method.The RFID-technology-based campus anti-theft system comprises a data background management system, an anti-theft alarm control system, a GPS article label, a video monitoring module and a mobile terminal service platform, and all modules can work in a cooperative mode.According to the RFID-technology-based campus anti-theft system and method, the modules conduct communication in a wired or wireless mode, the GPS article label is combined with the background management system, information of an article holder is obtained in the modes of fingerprint acquisition, video monitoring and the like and matched with article information in a background database, and when student articles are carried by illegal holders out of dormitories of the students or the campus, the system can detect abnormity and give out a real-time alarm.Meanwhile, the system provides a flexible article holding permission transfer and distribution function in cooperation with a mobile terminal service platform.

A method for treating magnesium-alloy work-piece surface, its work piece, its degrease surface treatment and non-electroplating nickel composition are disclosed. The process is carried out by forming displacing and activating layer containing nickel and metal M crystal seed on surface layer exposed with magnesium-alloy solid melt and heat treating. It has strong adhesion and long-period anti-corrosive function.