8results about How to "Reliably obtained" patented technology

A microfluidic chip and detection method for nucleic acid amplification detection, the chip includes a base layer, a cover layer and a reversing valve, the cover layer is provided with an inlet, a purification and concentration chamber, a waste liquid outlet, a premixing chamber through hole and an outlet through hole, the inlet is connected to the waste liquid outlet and the premixing chamber through hole respectively after passing through the purification and concentration chamber through a flow channel, a porous material embedded with immunomagnetic beads is pre-set in the purification and concentration chamber, the reversing valve is arranged on the outlet side flow channel of the purification and concentration chamber to control the liquid in the purification and concentration chamber to flow to the waste liquid outlet or the premixing chamber through hole, the premixing chamber through hole is used to add reactants to mix with the liquid from the purification and concentration chamber, the base layer is provided with a mixing flow channel and a constant temperature amplification chamber with a transparent area, and the premixing chamber through hole is connected to the constant temperature amplification chamber through the mixing flow channel. The use of this chip can realize the purification, concentration, constant temperature amplification and real-time fluorescence detection of nucleic acids in one step, and obtain one or more target detection results quickly, simply and reliably.

This invention discloses a gas migration path monitoring system and method during hydrate extraction. A marine radiometric detector is installed inside a high-pressure vessel; radioactive carbon isotopes are used. 14 C-labeled methane gas was used to prepare natural gas hydrates with radioactive tracer properties; methane with tracer properties was obtained through depressurization extraction. 14 CH4, using marine radiometric detectors to detect methane generated during depressurization mining. 14 This invention analyzes the content and distribution of CH4 to reveal the gas migration pathways during natural gas hydrate extraction. It is simple and quick to operate, provides reliable and accurate experimental results, and enables remote real-time monitoring of gas migration pathways during hydrate extraction, solving the current problem of difficulty in obtaining gas migration pathways during natural gas hydrate extraction.

The invention provides a method for obtaining the light intensity and scattering angle of an LED light source after passing through a collimation TIR lens, and belongs to the technical field of optical technology and illumination, and the method comprises the steps: obtaining a data set of the collimation TIR lens, carrying out the abnormal value processing, and dividing the data set into a training set and a test set according to a preset proportion; constructing an initial random forest model, optimizing the initial random model based on a crown porcupine optimization algorithm, performing parameter setting on the crown porcupine optimization algorithm according to the leaf node number and the number depth of the random forest model, and performing iterative optimization; comprising the steps of initializing a crown porcupine optimization algorithm, updating a visual defense strategy, updating an auditory defense strategy, updating a smell attack defense strategy and updating a physical attack defense strategy. And testing the light intensity and the scattering angle of the LED light source after passing through the collimation TIR lens by using the optimized random forest model. According to the scheme, the speed and accuracy of obtaining the light intensity and the scattering angle are improved, and time and design cost are saved.

The present invention discloses a protective device for a supersonic wind tunnel flow calibration pressure measuring hose. Along the wind tunnel airflow direction, the protective device is located behind the scimitar bracket of the wind tunnel test section, and includes an inner layer protective mechanism and an outer layer protective mechanism, wherein the inner layer protective mechanism is placed as a whole in the outer layer protective mechanism; the outer layer protective mechanism is composed of a rear protective cover, a mounting base, a front protective cover and a cover plate, and has a connected chamber inside to accommodate the inner layer protective mechanism. After the pressure measuring hoses led out from the cross pressure measuring rack are bundled, they pass through the protective device, enter the wind tunnel resident chamber and are connected to the wind tunnel pressure measuring system. The protective device uses a metal bellows to protect the pressure measuring hose, which moves back and forth with the lead screw and works together with the outer layer protective mechanism to avoid the influence and damage of the supersonic airflow on the pressure measuring hose, effectively protect the pressure measuring hose of the flow calibration mechanism, solve the wiring problem of multiple pressure measuring tubes in the flow channel of the supersonic wind tunnel, and ensure the reliable acquisition of the pressure measurement data of the supersonic wind tunnel test.

A laser device includes a support, a first heat sink, a plurality of laser light sources attached to the support, and a plurality of electrodes bridged between the plurality of laser light sources and the first heat sink. Each of the plurality of laser light sources is movable with respect to the support. Each of the plurality of electrodes is electrically connected to one of the plurality of laser light sources at a first connection portion, and is thermally connected to the first heat sink at a second connection portion. In each of the plurality of electrodes, an extension part between the first connection portion and the second connection portion has flexibility, and a length of the extension part is larger than a linear distance between the first connection portion and the second connection portion.

This application discloses a rendering model training method and apparatus, a video rendering method and apparatus, a device, and a storage medium, and belongs to the field of image processing technologies. The rendering model training method includes: obtaining a first video including a face of a target object (201); mapping a facial action of the target object in the first video based on a three-dimensional face model, to obtain a second video including a three-dimensional face (202); and training an initial rendering model by using the second video as an input of the initial rendering model and using the first video as supervision of an output of the initial rendering model, to obtain a target rendering model (203). The second video generated based on the three-dimensional face model is used as a sample for training the rendering model, so as to avoid recording a large quantity of low-definition videos because of high recording requirements before the rendering model is trained, thereby reducing computing resources and time required for training the rendering model.

An article handling system 100 includes: an article handling device 1 including an article handling unit 6 that executes handling with respect to an article, and a conveying unit 5 configured to convey the article into the article handling unit and configured to convey out the article from the article handling unit; a remote device 50 that is connected at a location spaced apart from the article handling device 1 in a communication possible manner through a network N, and includes a remote control unit 64 that remotely controls the article handling device 1; an acquisition unit 40 that acquires information on an ambient environment of the article handling device 1; a determination unit 62 that determines whether or not a worker is present in a vicinity of the article handling device 1 on the basis of the information on the ambient environment; and a transmission unit 63 that transmits a determination result in the determination unit 62 to the remote control unit 64.

The application discloses a kind of cone barrel racecourse boundary classification method system, device and storage medium, wherein method includes: obtaining the cone barrel detection result based on laser point cloud;Wherein, the spatial coordinates of each cone barrel are cone barrel detection result;Cone barrel detection result is provided as input to pre-established classification model, and the spatial distribution interrelationship feature and intermediate layer feature of cone barrel are extracted;The spatial distribution interrelationship feature and intermediate feature of cone barrel are aggregated by the classification model, and the classification result is obtained according to the aggregation result;Wherein, classification result is used to indicate the boundary category of each cone barrel.The application can obtain more reliable, more accurate, more quickly cone barrel racecourse boundary information compared with the method of image and laser point cloud fusion in prior art for racecourse cone barrel detection, to solve the problem of unreliable, high complexity in the cone barrel racecourse boundary classification scheme of prior art.The application can be widely applied in the field of unmanned driving technology.