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45results about How to "Avoid time wasting" patented technology

High-speed large-view-field multi-spectral photoacoustic imaging method and device

The invention discloses a high-speed large-view-field multi-spectral photoacoustic scanning imaging method and device. According to the scanning imaging method, a one-dimension scanning galvanometer and an F-theta lens set are utilized for gathering the collimated pulse laser into linear light spots to activate an organized body to generate light-induced ultrasonic signals, and after a sound reflector arranged in the lateral direction reflects photoacoustic signals, a non-focus ultrasonic transducer is used for receiving externally transmitted ultrasonic signals. According to the system, only a one-dimension scanner is needed for scanning, an algorithm is not needed, and a two-dimension photoacoustic absorbing distribution graph can be obtained at a high speed. The scanning imaging device comprises a photoacoustic light source generating activating module, an ultrasonic coupling module and a photoacoustic signal collecting and device scanning synchronous control module. According to the scanning imaging method, only a one-dimension optical scanning mode is adopted, the difficulty of scanning control is lowered, the imaging time is shortened, and large-view-field and high-definition two-dimension tomography is achieved. The scanning imaging device is simple, low in cost, portable, easy to popularize and capable of performing clinical monitoring.
Owner:FUJIAN UNIV OF TECH

Global toughness efficient evaluation method for water supply pipe network water quality monitoring system

The invention discloses a global toughness efficient evaluation method for a water supply pipe network water quality monitoring system. The water quality monitoring system global toughness efficient evaluation index based on water quality monitoring point failure is provided for the first time, and is used for evaluating the pollutant invasion resistance of the water quality monitoring system under the failure working conditions of different numbers of monitoring points. Meanwhile, the invention provides a pollution event database construction method based on data driving. In the optimizationmodel solving process, the target function is calculated by directly reading the related data in the database, time spent on repeatedly operating hydraulic power and water quality simulation is avoided, compared with a traditional method, the solving efficiency of the optimization model is improved by ten thousand times or above, and the method has obvious advantages particularly when the problemof a large complex actual water supply pipe network is solved. According to the monitoring point importance degree quantification method, the monitoring points with high priorities are maintained, sothat the water quality safety risk of the water supply system can be reduced, and the water supply safety is guaranteed.
Owner:ZHEJIANG UNIV

Water jet assisted bolter miner and tunneling method

The invention provides a water jet assisted bolter miner and a tunneling method. The bolter miner comprises a cutting roller and a water jet injection assembly, the water jet injection assembly comprises at least one spray head movably arranged on the surface of the cutting roller, the spray head comprises a cutting nozzle, a dust removal nozzle and a nozzle switching assembly arranged between the cutting nozzle and the dust removal nozzle, the nozzle switching assembly comprises a plugging piece and an elastic piece, and the plugging piece reciprocates between the two nozzles under the combined action of water flow and the elastic piece, so that water is sprayed out of the cutting nozzle to form clustered jet flow or sprayed out of the dust removal nozzle to form diffused jet flow. During tunneling operation, the tunneling anchor machine switches the operation mode of the spray head by controlling the pressure of the output flow of a pump station; in the high-pressure small-flow mode, the cluster jet flow cuts a gangue layer to form a groove; and in the low-pressure large-flow mode, the cutting roller rotates to crush rocks, and the diffused jet flow cools cutting teeth and remove dust during construction, so that shutdown tool changing and complex nozzle switching operation can be avoided, and the working efficiency is improved.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Method for operating an air-conditioning cabinet and air-conditioning cabinet

The present invention provides a method for operating an air-conditioning cabinet, wherein a nominal condition of an air conditioner in the air-conditioning cabinet is monitored at least intermittently by a sensor for detecting the nominal condition and by a controller by adjusting a setpoint for establishing the nominal condition of the air conditioner. The device remains at least approximately, wherein in addition, a self-test function can be triggered, wherein the device for establishing the setpoint condition of the air conditioner is controlled or regulated by the controller in such a way that a sequence of predetermined operating states and / or setpoints of the air conditioner Conditions are in turn controlled, and data characterizing these predetermined operating states and / or characterizing transitions between predetermined operating states is recorded by the controller, and an air conditioning cabinet is provided for predetermined air conditioning within the air conditioning cabinet For storing items under rated conditions, the air conditioning cabinet has: a sensor for detecting the rated condition of the air conditioner, a device for establishing the rated condition of the air conditioner, and a controller.
Owner:BINDER GMBKH

Raman spectrometer capable of automatically discriminating sample and method for automatically discriminating sample

The invention discloses a Raman spectrometer capable of automatically discriminating a sample and a method for automatically discriminating a sample. The Raman spectrometer comprises a Raman spectrometer main body, a detection probe, and a signal transmitting device and a signal receiving device which are arranged on two sides of the Raman spectrometer probe, wherein signal light emitted by the signal transmitting device faces the detection direction of the detection probe and is configured to be received by the signal receiving device after being reflected by a sample correspondingly detectedby the detection probe. According to the embodiment, before Raman detection, whether the sample exists on the detection channel or not is judged through the signal transmitting device and the signalreceiving device, and subsequent Raman detection is carried out only when the sample exists, so that time consumption caused by empty detection due to the fact that no sample exists in the detection channel is avoided. Besides, the infrared photoelectric sensor is used for automatically detecting whether a sample exists or not, compared with a camera, the detection time is greatly shortened, the requirement for structural space is small, installation is easy, and cost is low.
Owner:奥谱天成(厦门)光电有限公司

A high-speed large-field multi-spectral photoacoustic imaging method and device thereof

The invention discloses a high-speed large-view-field multi-spectral photoacoustic scanning imaging method and device. According to the scanning imaging method, a one-dimension scanning galvanometer and an F-theta lens set are utilized for gathering the collimated pulse laser into linear light spots to activate an organized body to generate light-induced ultrasonic signals, and after a sound reflector arranged in the lateral direction reflects photoacoustic signals, a non-focus ultrasonic transducer is used for receiving externally transmitted ultrasonic signals. According to the system, only a one-dimension scanner is needed for scanning, an algorithm is not needed, and a two-dimension photoacoustic absorbing distribution graph can be obtained at a high speed. The scanning imaging device comprises a photoacoustic light source generating activating module, an ultrasonic coupling module and a photoacoustic signal collecting and device scanning synchronous control module. According to the scanning imaging method, only a one-dimension optical scanning mode is adopted, the difficulty of scanning control is lowered, the imaging time is shortened, and large-view-field and high-definition two-dimension tomography is achieved. The scanning imaging device is simple, low in cost, portable, easy to popularize and capable of performing clinical monitoring.
Owner:FUJIAN UNIV OF TECH
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