41results about How to "Mature and stable technology" patented technology

The invention discloses an ultraviolet image based water surface oil spill detection system and method and relates to the field of signal processing. The ultraviolet image based water surface oil spill detection system comprises an ultraviolet imaging module, a video decoding buffer module, an image processing module and an alarm module which are connected in sequence. The ultraviolet imaging module comprises an ultraviolet light source, an ultraviolet bandpass filter and a camera. The video decoding buffer module comprises a video decoding chip and a synchronous dynamic random access memory. The camera is connected to the video decoding chip and the video decoding chip is connected to the synchronous dynamic random access memory. The image processing module comprises a DSP (Digital Signal Processor) chip and a program loading chip. The video decoding chip, the synchronous dynamic random access memory and the program loading chip are all connected to the DSP chip. The alarm module comprises a relay, a sound and light alarm and a wireless data transmitter. The ultraviolet image based water surface oil spill detection system and method is good in water surface oil spill detection effect and high in anti-interference capability.

The invention relates to a Micro-LED display screen structure and a production method and relates to the technical field of displayers. The Micro-LED display screen structure comprises a display arraywhich is arranged on the front of a display screen and composed of Micro-LED chips, wherein the Micro-LED chips in each row and the Micro-LED chips in each column of the display array are connected through metal wires respectively, an insulation layer is arranged between the surface of the display array and the metal wire in each row, and an insulation layer is arranged between the surface of thedisplay array and the metal wire in each column; a driving chip, a metal bonding pad and a plurality of back metal wires are arranged on the back of the display screen, wherein one end of each back metal wire is connected with the driving chip, and all the back metal wires are functionally in one-to-one correspondence with the front metal wires; and the front metal wires of the display screen andthe back metal wires in one-to-one correspondence with the front metal wires are connected through holes and form channels. Through the Micro-LED display screen structure and the production method, problems concerning transfer and bonding in the design and production process of the Micro-LED display screen are effectively overcome.

Present invention provides personage to personage paying method and system utilizing speech sounds or speech-sounds and message communication. It contains speech-sounds communication interface of telecommunication network, message centre gateway communication interface, speech-sounds communication/processing module, subscriber administration module, user data base, fund management module, fund deal data base, and paying process control module etc. Payment side can complete paying deal course to gathering side only utilizing handset through speech-sounds or speech-sounds and message and paying service system interaction. Present invention has simple convenience and instant with safety and reliability.

The presented system comprises: a voice communication interface to the telecom network, a SMS communication interface to the SMS center gateway, a process module, a user management module, a user database, a fund management module, a fund trade-off database, and a control module to paying process. This invention integrates two communication techniques, improves security and hardware request.

The invention discloses a large-scale microalgae cultivation method, and belongs to the technical fields of microalgae cultivation and production. The method comprises the following steps: firstly, carrying out microalgae seed holding and enlarging cultivation in a laboratory, and then carrying out large-scale microalgae species solution cultivation in an outdoor light bioreactor; inoculating microalgae species solutions cultivated by using the light bioreactor into an outdoor runway culture pond, and carrying out large-scale microalgae cultivation in the runway culture pond; and finally obtaining microalgae biomass from the runway culture pond, and producing the microalgae biomass-based product. According to the method, through the combination of the outdoor light bioreactor and the runway culture pond, large-scale microalgae cultivation can be carried out; compared with the microalgae cultivated by a pure runway culture pond or a pure light bioreactor, the production cost is significantly reduced; and a whole set of complete process route is developed.

The invention provides a mosquito-dispelling polyamide 6 fiber and a preparation method thereof. The preparation method comprises the following steps of: after adsorbing mosquito-dispelling ester to attapulgite, adding an additive and polyamide 6 resin; extruding in a double-screw extruder and granulating to prepare mosquito-dispelling polyamide 6 master batch, wherein the mosquito-dispelling polyamide master batch comprises the following materials in percentage by weight: 60-70 percent of fiber-scale polyamide 6 resin, 15-30 percent of attapulgite, 0.1-1 percent of antioxidant, 0.1-1 percent of light stabilizer 78300 and 5-15 percent of mosquito-dispelling ester, wherein the antioxidant is a composition of MD 697 and one of a hindered phenolic antioxidant, a phosphite ester antioxidant and thiodipropionate antioxidant; and performing blended spinning on polyamide 6 slices and the mosquito-dispelling polyamide 6 master batch according to the weight ratio of80-90:10-20 to prepare the mosquito-dispelling polyamide 6 fiber. The mosquito-dispelling polyamide 6 fiber has the advantages of lasting mosquito-dispelling effect, simple process, low cost, wide application and the like.

The invention provides an intelligent lock control system with a base station. The system comprises a terminal, a server, a base station and an electronic lock, the terminal is in communication connection with the server side through HTTP (S). The plurality of base stations are distributed in a shopping cart taking area, a supermarket shopping area and a shopping cart returning area; the base stations are all in communication connection with the server side through Socket. The electronic lock is mounted on the shopping cart; the electronic lock and the base station are connected through WIFI,GPRS, 4G, 5G, 5G, 5G, 5G, 5G, 5G, 5G, 5G, 5G, 5G, 5G, 5G and 5G. The LORA, the NBiot, the Bluetooth or the NFC connection is realized; the server monitors the electronic lock through the base station;the beneficial effects of the invention are that: the method is suitable for industrial production; technique maturation stabilization, the system is reasonable in framework, stable and convenient tooperate and low in cost, supermarket shopping carts are managed in a server-base station-electronic lock mode, a base station is equivalent to a transfer station for communication between the shopping carts and a server, the internal structure of the lock is simple in design, the working pressure of the server is reduced, indoor positioning can be conducted on the shopping carts through the basestation, and unlocking is quick, stable and convenient. Recognition of bicycle returning operation is simple and real-time.

The invention relates to a 2019 novel coronavirus S protein gene isothermal chromogenic amplification primer group, a screening kit and a detection method, and belongs to the technical field of biology. The novel coronavirus S protein gene isothermal chromogenic RT-PCR amplification inner and outer loop primer group, the isothermal chromogenic screening detection method and the screening kit whichare developed by the invention solve the problems that: only an isothermal amplification chip method is used for detecting the S protein gene, and isothermal chromogenic screening methods and kits donot use cheap and convenient isothermal water bath kettle and metal bath for detecting the S protein gene. The invention is a powerful supplement to a novel coronavirus S protein gene detection method and kit. Compared with similar technologies at home and abroad, the kit and method have obvious cost and benefit advantages. According to the developed novel coronavirus S protein gene chromogenic chromogenic RT-PCR screening detection kit, the performance index of the kit is the same as that of fluorescent quantitative RT-PCR, the detection time is short, and the operation is simple, convenientand rapid.

The invention relates to a preparation method of a protein zinc feed additive with the extremely high chelation strength. The preparation method comprises the steps that isolated soybean protein and feed-grade zinc sulfate are taken as reaction raw materials, the isolated soybean protein is hydrolyzed to obtain isolated soybean protein hydrolysate, the isolated soybean protein hydrolysate and zinc sulfate generate a chelation reaction under suitable conditions through a water system synthesis method, and the novel protein zinc feed additive with the extremely high chelation strength is prepared. Compared with zinc sulfate and a conventional organic zinc additive, the protein zinc feed additive has the advantages that the product chelation strength is appropriate, the higher biological value is achieved, and environmental pollution caused by zinc emission can be reduced. According to the protein zinc feed additive, the reaction raw materials are low in cost and easy to obtain, the current main organic trace element synthesis process water system synthesis method is adopted, and the advantages of being high in reaction yield (75% or above), good in product chelation strength repeatability (synthesis can be continuously repeated four times, the chelation strength of all products is extremely high, and Qf determination values are close), easy to operate, low in cost and the like are achieved.

The invention discloses a workpiece conveying device of an eddy current flaw detector, which has the advantages of simple and compact structure, high operating efficiency, stability, reliability and low cost. The workpiece conveying device comprises a mounting table (28) of an eddy current flaw detection module (27), a material receiving bin (1), a material storage bin (2), trays (3) and a tray translation mechanism, wherein the tray translation mechanism is used for translating the trays (3) from the material storage bin (2) to the material receiving bin (1) and putting down the trays (3), and a grabbing manipulator (30) is arranged behind the material receiving bin (1); the mounting table (28), the material receiving bin (1) and the material storage bin (2) are arranged in parallel in sequence from left to right; the material receiving bin (1) comprises a first bracket (4) and a first linear moving mechanism, and the material storage bin (2) comprises a second bracket (5) and a second linear moving mechanism; all of the trays (3) are respectively positioned in the material receiving bin (1) and the material storage bin (2) and stacked on the first bracket (4) and the second bracket (5); and a first clamping manipulator is arranged on the top of the material receiving bin (1).

The invention provides a cloud computing intelligent rehabilitation training system. The system comprises a body signal acquisition device, body information transfer equipment, rehabilitation trainingterminals and a cloud server, wherein the body signal acquisition device is worn on a patient; the body signal acquisition device is in signal connection with the body information transfer equipment;the body information transfer device is in signal connection with the plurality of rehabilitation training terminals; the body information transfer equipment is also in signal connection with the cloud server; and the rehabilitation training terminals is in signal connection with the cloud server. The beneficial effects of the system are that: the system has mature and stable techniques, and is reasonable in framework, stable and convenient to operate and low in cost; and patient rehabilitation training information is guided and collected through the body signal acquisition device, the body information transfer equipment, the rehabilitation training terminals and the cloud server, and a better rehabilitation training scheme can be generated in combination with data collection, analysis and processing of the cloud system, so that the spasm treatment effect is better.

The invention relates to a preparation method and an application of a zinc lysine feed additive with moderate chelation strength. According to the preparation method, feed-grade L-lysine sulfate and feed-grade zinc sulfate are used as reaction raw materials to conduct a chelation reaction under a proper condition by an aqueous system synthesis method to prepare the novel zinc lysine feed additive with medium chelation strength. The invention further provides the application of the zinc lysine feed additive with medium chelation strength prepared by the method as a novel zinc-source feed additive of chickens. Compared with zinc sulfate and a conventional organic zinc additive, the zinc lysine feed additive has the advantages of moderate chelation strength and high biological value, and can be used for effectively preventing and treating zinc deficiency of the chickens and other livestock and poultry and reducing environment pollution caused by zinc discharge. The method uses easily available reaction raw materials with low cost, adopts a current organic trace element mainstream synthesis process, namely the aqueous system synthesis method, and has the advantages of high reaction yield, good product chelation strength reproducibility, simple operation, low cost and the like.

The invention relates to a distributed power grid fault recovery controller and a working method thereof. The distributed power grid fault recovery controller is composed of a DSP chip, a power supply unit, a communication unit, an upper computer, a storage unit, an AD processing unit and a reset circuit. The power supply unit is connected with the DSP chip and the communication unit; the communication unit is connected with the DSP chip and the upper computer; the upper computer is connected with the communication unit and the power supply unit; the storage unit is connected with the DSP chip; the AD processing unit is connected with the DSP chip and the upper computer; and the reset circuit is connected with the DSP chip and the power supply unit. The provided controller has following beneficial effects: firstly, the equipment utilization rate is high, the distributed modularization access is realized, and the compatibility is high; secondly, the software pertinency and the execution efficiency are high; thirdly, the processor operation is in a high speed state and the real-time processing capability is strong; and fourthly, the peripheral external equipment has a simple structure, the technology is mature and stable, and the controller is easy to realize and control.

The invention discloses a method for producing L sodium lactate. The method comprises the following steps: dissolving sodium carbonate into water, and uniformly stirring sodium carbonate; slowly adding the sodium carbonate solution into lactic acid, and adjusting the pH value of the mixed solution to 6.8-7; heating the mixed solution to the temperature of 100 DEG C, and maintaining the temperature for 30-40 minutes; adding activated carbon into the standing solution, continuing to carry out standing for 20 minutes, and then, filtrating the solution; heating the filtrate so as to evaporate the filtrate until the filtrate is saturated, and then, slowly cooling the saturated filtrate to the temperature of 25 DEG C for crystallization; and recrystallizing crystallized crystals. L sodium lactate prepared by the method is high in utilization ratio and high in conversion ratio, the operation is easy, the cost is low, the steps are simple, and the method is environment-friendly and pollution-free.

The invention relates to a recombinant human interferon alpha2a suppository and a preparation method thereof. Wherein the recombinant human interferon alpha2a is obtained by the following steps: utilizing an escherichia coli expression technology to construct a recombinant plasmid containing a human interferon alpha2a gene, and transforming into escherichia coli to obtain a stable engineering bacterium, fermenting the engineering bacterium, and purifying the engineering bacterium to obtain recombinant human interferon alpha2a, through sterile filtration, and mixing with glycerol and a gelatinmatrix, the recombinant human interferon alpha2a suppository is obtained. The formula of the matrix is characterized in that the matrix does not contain human serum albumin, wherein glycerol is not only an excipient, but also a bacteriostatic agent; the gelatin is also an excipient or a protease inhibitor, can effectively protect the protein of the recombinant human interferon alpha2a from being degraded, ensures the structural integrity of the recombinant human interferon alpha2a, stabilizes the biological activity of the interferon, can interfere with protease released by cells to further destroy damaged mucous membrane tissues of the vagina, and has a mucous membrane protection effect.

The invention provides fragrant chinlon masterbatch, a fragrant chinlon fiber and preparation methods thereof. The fragrant chinlon masterbatch is characterized by being prepared through the following steps: adsorbing an essence for heat-resistance rubber by a concavo-convex stick soil serving as a carrier; and mixing the concavo-convex stick soil and an additive and polyamide resin. The fragrant chinlon fiber prepared by performing spinning, oiling, stretching, elasticizing or cutting and other processes on a mixture of a chinlon slice and the fragrant chinlon masterbatch; the fineness of the fiber is 0.5 to 0.7 dtex; and the section of the fiber is circular, hollow or Y-shaped or is in another abnormal shape. The fragrant chinlon fiber can be a long fiber or a short fiber and can be suitable for POY (Polyester Pre-oriented Yarn) or FDY (Fully Drawn Yarn). Special equipment is not required; the process is simple; the technology is mature and stable; the concavo-convex stick soil is used as the essence carrier, so that an adsorption function and a slow-release function are realized; and the fragrant chinlon fiber has the characteristics of high essence utilization rate, durable fragrance, zero pollution, low production cost and high product additional value.

The invention discloses a high-throughput biochemical detection system based on image shooting analysis and a method thereof. The detection system comprises an optical shooting system, a temperature measuring device and a control system, the optical shooting system comprises a lens, an image sensor and a light source, the lens is connected with the image sensor, and the light source is used for illuminating a sample to be detected; the temperature measuring device comprises an infrared heating module and a temperature reading module; the control system comprises a data transmission module, a data processing module, a storage module, a display module, a power supply module and an input and output module; the image sensor, the light source and the temperature reading module are all connected with the input and output module; the temperature reading module and the infrared heating module are connected with the data processing module. The detection system has the advantages of small size, capability of automatically controlling the reaction temperature, rapidness and accuracy in detection, interface operation in the whole process and the like.