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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.

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.