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260results about How to "Effective Ways" patented technology

Environment-friendly biochar-based organic fertilizer and preparing method thereof

The invention relates to environment-friendly biochar-based organic fertilizer. The environment-friendly biochar-based organic fertilizer is prepared from, by weight, 10-15% of biochar, 77-87% of organic fertilizer, 0.5-1.5% of wood vinegar, 0.5-1.5% of an environment-friendly enzyme and 2-4% of a binding agent. The preparing method includes the steps that the biochar and the organic fertilizer are mixed uniformly by a ratio, and the mixed material is pulverized and screened, wherein the part, with the particle size smaller than or equal to 1mm, of the screened material serves as a mixed material A, and the part, with the particle size larger than or equal to 1mm is returned to a pulverizer to be pulverized and screened again; the wood vinegar and the environment-friendly enzyme are added into the mixed material A by a ratio and fully stirred and mixed uniformly to obtain a mixed material B; the binding agent is added into the mixed material B by a ratio, tap water is added in a spray mode, the water content of the material is adjusted to be 30-35%, and all the components are fully stirred and mixed uniformly to obtain a mixed material C; granulating and drying are carried out to obtain the environment-friendly biochar-based organic fertilizer.
Owner:于景成 +1

Multi-view angle human face recognizing method based on non-linear tensor resolution and view angle manifold

The invention discloses a method for identifying multi-view human face based on nonlinear tensor resolution and view manifold, which comprises the following steps: normalizing the size of the multi-view human face; dividing multi-view human face images into a test set and a training set by adopting a method of leaving one out; arraying the human face images in the training set into a form of tensor along the direction of identity, view and pixel information change, resolving tensor data by using high-order singular values to obtain a coefficient matrix of identity, view and pixel factors of the human face images; using a data-concept driving mode to array and interpolate view coefficients to obtain the view manifold of human face; according to the rotating objective sequence of the human face, generating the view manifold through a concept driving mode; using the nonlinear tensor resolution to map the view manifold to a data space of the multi-view human face, obtaining a modular matrix of identity coefficient, and establishing a model of the multi-view human face; and adopting an iterative algorithm based on EM-like to solve a model parameter, and achieving identification by the parameter meeting the minimum reconstructed error criterion. The method has the advantages of high accuracy and high speed, and can be used for complex human face retrieval and identification under different view angles in the field of biological characteristic identification.
Owner:XIDIAN UNIV

Facial expression image recognition method based on expert system

The invention relates to a facial expression image recognition method based on an expert system. According to the method, inference and recognition of the facial expression of a preprocessed image are carried out through the expert system established on the basis of an expression image processing method and the function of a traditional computer program. The method comprises the following steps: (1) capturing an image in a video, acquiring user information in the video, then carrying out identity verification through image processing and image characteristic extraction, acquiring characteristic parameters of the expression image of a user, determining a user expression library, and establishing the expert system for facial expression recognition; (2) carrying out imaging processing and image characteristic extraction on the image captured in the video, acquiring the characteristic parameters generated when the degree of the expression of the user is maximized, comparing the characteristic parameters with parameters, determined in the step (1), of image training samples in the user expression library, and finally outputting the statistical result of facial expression recognition through an inference engine of the expert system. Compared with the prior art, the method has the advantages of being high in recognition speed and the like.
Owner:SHANGHAI UNIV OF ENG SCI

Integrated surface acoustic wave wireless temperature sensor

The invention relates to an integrated surface acoustic wave (SAW) wireless temperature sensor, comprising an interdigital transducer with an EWC/SPUDT structure and 11 reflectors with short-circuit gate structures, which are manufactured on a piezoelectric substrate, wherein, the EWC/SPUDT receives an electromagnetic wave signal transmitted from a wireless reading unit by a wireless antenna and transforms the signal into surface acoustic wave which is propagated along the reflectors on the surface of the piezoelectric substrate and is respectively reflected by the reflectors, the reflected acoustic wave is retransformed into the electromagnetic wave signal by an EWC/SPUDT2, the signal is returned to the wireless reading unit by the wireless antenna, and finally temperature detection is realized by evaluation on a phase change of time-domain response via a signal processing method. In the sensor, the 11 reflectors of a SAW reflection delay line are divided into two paths for reducing multiple reflection among the reflectors, wherein, 8 reflectors on one path are used for 8-bit electronic tags, and 3 reflectors on the other path are used for temperature detection; and a reflection peak of a time domain S11 with even response is obtained by adjusting electrode number of the reflectors.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Embedded system power consumption estimation method based on hardware performance counter

The invention discloses an embedded system power consumption estimation method based on a hardware performance counter. The method comprises the steps of classifying performance events, selecting the performance events with representativeness, calculating a Spearman's rank correlation coefficient between the number of occurrences of the performance events and the power consumption, judging the degree of correlation, selecting representative performance events, then, establishing a power consumption model by using a linear regression method, and estimating the power consumption of an embedded system. According to the embedded system power consumption estimation method based on the hardware performance counter, through analyzing the power consumption model, the change of the power consumption of a processor in a time sequence can be observed, and the working conditions of the software and hardware of the system can be subjected to adjustment according to real-time monitoring data by adopting certain strategies, so that the aims of guaranteeing system stability, prolonging battery working time or adjusting cooling equipment to guarantee performance and the like are reached, thus, performance optimization is carried out, and then, the operating efficiency of the whole system is increased.
Owner:XIDIAN UNIV

Tritium-containing exhaust gas discharge monitoring automatic sampling system

The invention provides a tritium-containing exhaust gas discharge monitoring automatic sampling system and belongs to the technical fields of radiation protection and environmental protection. The air inlet tube joint in the sampling system is connected with a flow control valve, solenoid valves, dust filters, a mass flow meter and a pressure meter through a gas tube and then is connected with the gas inlets of pumps, and the gas outlets of the pumps are connected with the joints of an exhaust tube through exhaust tubes; the gas inlet and the gas outlet of a total tritium sampler are connected with a gas collection tube and the exhaust tube through flexible tubes respectively; and the signal input end of an automatic control unit is in external connection with a chimney flow monitoring PLC controller, and the signal output end of the automatic control unit is connected with the total tritium sampler, the flow control valve, the solenoid valves, the mass flow meter, the pressure meter and pumps respectively. The sampling system which allows the sampling precision to be less than 1min has the advantages of intelligent regulation and control, strong practicality, improvement of the fragmentary discharge of a tritium effluent, improvement of the representativeness of a tritium monitoring sample when the concentration difference is large, mitigation of the labor intensity of an effluent monitoring sampling personnel, and improvement of the working efficiency.
Owner:INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF

Integrated surface acoustic wave wireless pressure sensor applied to TPMS

The invention relates to an integrated surface acoustic wave wireless pressure sensor applied to a TPMS, comprising two SAW reflection delay lines which are encapsulated for integration with a JSR membrane by a nickel conducting cylinder and a conducting adhesive, and a matched network connected with a wireless antenna, wherein, the first SAW reflection delay line comprises a single-phase unidirectional energy converter for controlling electrode width, and 3 short-circuit gate reflectors applied to pressure detection; and the second SAW reflection delay line comprises 11 short-circuit gate reflectors, wherein, 8 reflector are used for 8-bit electronic tags, and the other 3 reflectors are used for temperature detection. In the sensor, an EWC/SPUDT receives an electromagnetic wave signal from a wireless reading unit by the wireless antenna and transforms the signal into an SAW signal which is propagated along the surface of a piezoelectric substrate and is respectively reflected by the reflectors, the reflected acoustic wave is retransformed into the electromagnetic wave signal by the EWC/SPUDT and is returned to the wireless reading unit by the wireless antenna, and finally temperature and pressure detection in a tire is realized at the same time by evaluation of a phase change of time-domain response via a signal processing method.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Bacterial strain antagonistic to pathogenic bacteria of jujube fruit shrink disease and application of bacterial strain

The invention discloses a bacterial strain antagonistic to pathogenic bacteria of jujube fruit shrink disease and an application of the bacterial strain. The antagonistic bacteria provided by the invention are bacillus subtilis STO-45 of which the microbial collection number is CGMCC No.9026. The bacillus subtilis STO-45 is separated from soil at the root of a healthy jujube tree and has remarkable and efficient antagonistic effect on the pathogenic bacterial of the jujube fruit shrink disease of jujube trees; the bacillus subtilis STO-45 further is capable of effectively inhibiting the alternaria tenuissima mycelia of the pathogenic bacteria of the jujube fruit shrink disease from growing and preventing and treating plant diseases induced by the pathogenic bacteria of the jujube fruit shrink disease; besides, the bacterial strain can be applied to the aspects of preventing and treating various pathogenic bacteria of the jujube fruit shrink disease, and jujube fruit anthracnose and a plurality of other tree diseases, and the like; and as a result, the bacterial strain is high in prevention effect and good in environmental safety, and has biological prevention and control potential as well as excellent development and application prospects.
Owner:BEIJING FORESTRY UNIVERSITY +1

Large-size low-temperature destructive distillation system for low-order lignite

The invention provides a large-size low-temperature destructive distillation system for low-order lignite, solving the problem of industrial destructive distillation of low-order lignite. The system consists of a lignite preparation part, a drying part, a destructive distillation part, a heat source part, a semicoke cooling and transporting part and a gas and tar treatment part, wherein in the lignite preparation part, raw lignite is smashed and then fed into the drying part for drying; dried lignite particles are fed to the destructive distillation part for destructive distillation; the gas obtained after destructive distillation is dedusted and then enters into the gas and tar treatment part to be treated and then stored; air cooling is carried out on the semicoke subjected to destructive distillation and then the semicoke is discharged; the destructive distillation heat source is supplied by high-temperature smoke produced by combusting partial destructive distillation self-produced gas in a combustion furnace; low-temperature waste smoke extracted from the destructive distillation part is used as the heat carrier of the drying part; and cold air for cooling the semicoke is introduced into the combustion furnace after absorbing the heat of the semicoke for combusting the gas. The large-size low-temperature destructive distillation system is suitable for large-scale industrial continuous production, has simple equipment and is easy to implement, thereby providing an effective way for the utilization of the low-order lignite.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Vehicle-mounted coal quality detection method and device

ActiveCN102636404AAccurate mass calculation resultsBulk Density Data CorrectionMaterial weighingLaser rangingProgrammable logic controller
The invention relates to a vehicle-mounted coal quality detection method. A laser ranging device is used for acquiring height data of the surface of vehicle-mounted coal, and operating is carried out by a computer device according to the acquired height data; the laser ranging device is provided with a box-type cross beam, and the box-type cross beam is provided with multiple ranging laser heads at equal intervals along a straight line; the two ends of the box-type cross beam are respectively provided with a travelling device, the two travelling devices are respectively arranged on two elevated rails which are arranged in parallel; the computer device is internally provided with a serial communication card, a data acquisition card and matched data processing software, and a height data output terminal of each ranging laser head is electrically connected with a height data input terminal of the computer device; and the computer device is internally provided with a PLC (programmable logic controller), and the PLC is used for controlling the travelling device. The vehicle-mounted coal quality detection method disclosed by the invention can realize rapid and accurate detection on quality of vehicle-mounted coal; and the vehicle-mounted coal quality detection method can provide an effective method and approach for monitoring coal quality when being combined with a weighing device.
Owner:榆林力鸿能源检测有限公司

Segmentation-based airborne LiDAR point cloud building extraction method

The invention discloses a segmentation-based airborne LiDAR point cloud building extraction method. The method comprises the steps of: (1) loading airborne laser LiDAR point cloud data; (2) identifying noise points in the airborne laser LiDAR point cloud, and removing the noise points; (3) carrying out material distribution simulation filtering to separate ground points from non-ground points; (4)carrying out region growth segmentation on filtered non-ground point cloud; and (5) calculating the direction cosine of the local normal vector and normal vector of each cluster which is obtained after the segmentation, generating a histogram, separating building point cloud from non-building point cloud through the generated histogram, thereby realizing the accurate extraction of the building point cloud. The invention provides the simple and efficient histogram method for distinguishing buildings from non-buildings. According to the difference of the normal vector characteristics of a building roof and a vegetation surface, a PCL-based region growing algorithm is utilized to perform three-dimensional point cloud segmentation on the non-ground points; and the histogram method is used incombination to distinguish the buildings from the non-buildings, so that the building point cloud data are accurately extracted.
Owner:SHENYANG JIANZHU UNIVERSITY

Filling type fracture network rock test piece preparing method based on 3D printing technology

The invention relates to a filling type fracture network rock test piece preparing method based on the 3D printing technology, and belongs to the related technical field of construction, hydraulic engineering, mining and other underground project tests. According to the filling type fracture network rock test piece preparing method based on the 3D printing technology, firstly, a three-dimensionalrandom fracture network model is constructed; the obtained model is converted into an SLT file; the SLT file is guided into a 3D printer; the 3D printer is used for printing the three-dimensional random fracture network model; the outer surface of the model is coated with a waterproof coating; the three-dimensional random fracture network model is placed in a steel die, cement mortar is poured into the steel die containing the three-dimensional random fracture network model, and uniform vibration is conducted; and a cement mortar test piece and the steel die are placed in a standard curing boxtogether; then the three-dimensional random fracture network model is degraded; and the degraded test piece is placed in the standard curing box again to be cured, the cured test piece three-dimensional random fracture is filled with needed materials, and finally a filling type fracture network rock test piece is obtained.
Owner:KUNMING UNIV OF SCI & TECH

Automatic control system and method for emission monitoring of radioactive airborne effluents

The invention discloses an automatic control system and an automatic control method for mission monitoring of radioactive airborne effluents. According to the automatic control system, an emission flow monitoring sensor is connected with a flow monitoring PLC (Programmable Logic Controller) through a cable; the flow monitoring PLC is connected with an automatic control unit through a signal line; the automatic control unit is connected with a flow adjusting valve, an electromagnetic valve, sampling monitoring equipment, a mass flow meter, a pressure gauge and a pump respectively through a signal control line; and an airborne substance sampling head is connected with a tail gas emission pipe after being connected with the flow adjusting valve, the electromagnetic valve, the sampling monitoring equipment, the mass flow meter, the pressure gauge and the pump respectively in sequence through a sampling pipe. Due to the adoption of the automatic control system and the automatic control method disclosed by the invention, the sample representativeness of effluent monitoring under the conditions of separate or simultaneous emission, large differences among airborne substance source items and scattered emission in a plurality of radioactive operating places can be enhanced, the labor intensity of effluent monitoring can be relieved, and the working efficiency is increased; and the system and the method have the characteristics of stability, reliability, intelligent regulation and control, and unattended operation.
Owner:INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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