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Copyright of Biotechnology Bulletin is the property of Biotechnology Bulletin Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Traditional Chinese Drug Research & Clinical Pharmacology is the property of Traditional Chinese Drug Research & Clinical Pharmacology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Science & Technology of Food Industry is the property of Science & Technology of Food Industry Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Aiming at the characteristics of the high cost of hazardous chemicals logistics control, the difficulty in detecting potential safety hazards and many uncertain factors, an overall framework of a hazardous chemicals logistics distribution system driven by twin data was established based on digital twin technology, which can realize the real-time monitoring of parameters such as fatigue status of drivers and fault warning of vehicles. Therefore, accurate simulation and iterative optimization of the physical space of hazardous chemical vehicle scheduling could be realized based on physical parameters. Besides, a path optimization model with time window constraints for a single distribution center was constructed. The minimum total cost of distribution was taken as the objective function and the customer service time was dynamically adjusted by combining twin data, and the mathematical model was solved by using MATLAB tools with the genetic algorithm kernel. The fluctuations in the transportation cost of hazardous chemicals caused by dynamic unsafe factors in the logistics scheduling process can be effectively solved by adopting this method. [ABSTRACT FROM AUTHOR]

Copyright of Modern Food Science & Technology is the property of Editorial Office of Modern Food Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

During the new crown pneumonia epidemic, fully guaranteeing the circulation of emergency supplies is the prior condition to keep the production life running smoothly and orderly. This paper established the architecture of an emergency material vehicle transportation system based on an intelligent logistics system to realize the transparency of logistics information. It also monitored road congestion in real-time based on Baidu map, combined the kernel of the brainstorming algorithm, solved the vehicle dispatching model of emergency materials with time window according to the real road network model, and simulated its path planning scheme using Matlab tools combined with the actual geographic coordinates latitude and longitude of isolation points to realize the data interaction of emergency materials circulation process and real-time adjustment of vehicle dispatching scheme. The method improves the efficiency of emergency supplies transportation during the epidemic. [ABSTRACT FROM AUTHOR]

Copyright of Chinese Journal of Applied Entomology is the property of Chinese Journal of Applied Entomology, Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Modern Food Science & Technology is the property of Editorial Office of Modern Food Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Henan Agricultural Sciences is the property of Editorial Board of Journal of Henan Agricultural Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)