Zobrazeno 1 - 10
of 251
pro vyhledávání: '"Qiankun Song"'
Autor:
Tianyang Li, Bohao Bian, Rihao Ji, Xiuwen Zhu, Xiaohui Wo, Qiankun Song, Zhigang Li, Feifei Wang, Yuqiao Jia
Publikováno v:
Toxics, Vol 12, Iss 11, p 779 (2024)
Polyethylene terephthalate (PET) is a type of polymer plastic that is often used to make plastic bags, bottles, and clothes. However, the waste of such plastic products is decomposed into microplastics (MPs), which are plastic fragments smaller than
Externí odkaz:
https://doaj.org/article/00b72442f3664d838ff4f1c509bc1a7d
Publikováno v:
Metrology, Vol 3, Iss 1, Pp 82-98 (2023)
This paper presents a novel low-speed measuring method using analog sine and square waves of Hall effect speed sensors coupled with correlative digital signal processing algorithms packaged on a signal processing unit. The frequency of the initial si
Externí odkaz:
https://doaj.org/article/ecc92dda03504fdcad1e09eb900d51f7
Publikováno v:
IEEE Access, Vol 8, Pp 46071-46080 (2020)
This paper is concerned with the stability and Hopf bifurcation of fractional-order neural networks with discrete and distributed delays. The novelty of this paper is to take into account the discrete time delay and the distributed time delay for fra
Externí odkaz:
https://doaj.org/article/6c4c3f1645184385b495031b7c672d97
Publikováno v:
Fractal and Fractional, Vol 6, Iss 8, p 429 (2022)
This paper addresses the problems of the stability of a nabla discrete distributed-order dynamical system (NDDS). Firstly, based on a proposed generalized definition of discrete integral, some related definitions of nabla discrete distributed-order c
Externí odkaz:
https://doaj.org/article/fcc16c39cc3443718f7adbc752163e74
Autor:
Xiaofeng Chen, Qiankun Song
Publikováno v:
Discrete Dynamics in Nature and Society, Vol 2021 (2021)
This paper investigates the location game of two players in a spoke market with linear transportation cost. A spoke market model has been proposed, which is inspired by the Hotelling model and develops two-player games in price competition. Using two
Externí odkaz:
https://doaj.org/article/b25a757850c04061bfaf38caa1ae66ba
Publikováno v:
Complexity, Vol 2020 (2020)
The optimal pricing of dual-channel supply chain with the third party product recovery and sales effort is considered in this paper. The optimal selling pricing of direct channel and retail channel in the forward supply chain and the optimal collecti
Externí odkaz:
https://doaj.org/article/13cd712f18604322bb21807e92c434cb
Publikováno v:
Complexity, Vol 2020 (2020)
This paper considers the two-player location game in a closed-loop market with quantity competition. Based on the Cournot and Hotelling models, a circle model is established for a closed-loop market in which two players (firms) play a location game u
Externí odkaz:
https://doaj.org/article/5071eec081b0416a990aef87b4bec0f9
Publikováno v:
Systems Science & Control Engineering, Vol 6, Iss 2, Pp 37-44 (2018)
Although ‘Cap-and-trade’ mainly constrains the manufacturer, the decision of the manufacturer’s emission reduction will affect the decision of the whole supply chain. In this paper, we investigate manufacturer and retailer’s decision under de
Externí odkaz:
https://doaj.org/article/39cc23216a6a4f0f81f7b38a210de445
Publikováno v:
Systems Science & Control Engineering, Vol 6, Iss 2, Pp 68-78 (2018)
In the multimodal transport network, due to various uncertain factors such as weather and traffic conditions, the transport time will become uncertain accordingly, besides, railway transport and water transport are usually limited by timetable. These
Externí odkaz:
https://doaj.org/article/08e7ae32727e4310858e94373f005a18
Publikováno v:
Systems Science & Control Engineering, Vol 6, Iss 1, Pp 195-206 (2018)
In this paper, we investigate parameter inference for four-unit hybrid systems based on Type-II progressively hybrid censored and masked data from constant-stress partially accelerated life test. It is assumed that the unit lifetime in systems has ex
Externí odkaz:
https://doaj.org/article/fe0d3cd1b734405fbdeda41041201503