Zobrazeno 1 - 10
of 631
pro vyhledávání: '"system method"'
Autor:
Evgeny V. Trapeznikov
Publikováno v:
Безопасность информационных технологий, Vol 30, Iss 4, Pp 102-113 (2023)
One of the main problems to provisioning the information security of automated systems is the absence of unify approaches to the quantitative evaluation of their efficiency and reliability. In this article, we consider one of the approaches to this p
Externí odkaz:
https://doaj.org/article/f45255a189414a7ba58f15af31ff5afd
Publikováno v:
Regional Sustainability, Vol 4, Iss 3, Pp 332-348 (2023)
With accelerated urbanization and climate change, urban flooding is becoming more and more serious. Flood risk assessment is an important task for flood management, so it is crucial to map the spatial and temporal distribution of flood risk. This pap
Externí odkaz:
https://doaj.org/article/598355dbd4ec4ed5b521f4b3daa5125c
Autor:
Ling CHENG, Lijuan LIU, Xiukai SONG, Jianlong HE, Ping FU, Ning WANG, Yuanqing MA, Aiying LIU, Weiyun WANG
Publikováno v:
Haiyang Kaifa yu guanli, Vol 39, Iss 12, Pp 107-114 (2022)
The bay ecosystem plays an important role in maintaining energy flow, material circulation, community stability and ecosystem balance. In the present study, the comprehensive evaluation model for marine ecosystem of Laizhou Bay was established by usi
Externí odkaz:
https://doaj.org/article/3a5efd44a4a5450399b6994a3d2a9f9d
Publikováno v:
Open Mathematics, Vol 20, Iss 1, Pp 894-910 (2022)
The exact traveling wave solutions of generalized Davey-Stewartson equations with arbitrary power nonlinearities are studied using the dynamical system and the first integral methods. Taking different parameter conditions, we obtain periodic wave sol
Externí odkaz:
https://doaj.org/article/f08cc114b06f4c17953e1006483a4b33
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
AIMS Mathematics, Vol 7, Iss 8, Pp 15282-15297 (2022)
This article describes the construction of optical solitons and single traveling wave solutions of Biswas-Arshed equation with the beta time derivative. By using the polynomial complete discriminant system method, a series of traveling wave solutions
Externí odkaz:
https://doaj.org/article/ab2b9fcae3a34c8a854da6fea803230e
Publikováno v:
Results in Physics, Vol 48, Iss , Pp 106404- (2023)
This study employed the planar dynamics system method to investigate the chaotic behavior and traveling wave solution of the fractional stochastic Zakharov system arising in plasma physics. Through the analysis of the phase portraits, the sensitivity
Externí odkaz:
https://doaj.org/article/86d30f04441e470e896d130a51ee5053
Autor:
Tianyong Han, Lingzhi Zhao
Publikováno v:
Results in Physics, Vol 47, Iss , Pp 106349- (2023)
The stochastic fraction Hirota–Maccari system is used as a governing model to check the wave propagation in nonlinear optics, plasma physics and hydrodynamics. Firstly, the random fractional order Hirota–Maccari system is transformed into a two-d
Externí odkaz:
https://doaj.org/article/5f39e296926a4ee6925bae4a13245a9e
Publikováno v:
Open Physics, Vol 21, Iss 1, Pp 106174-5025 (2023)
The main aim of this article is to focus on the dynamics and traveling wave solution of stochastic coupled Konno–Oono equation with multiplicative noise in the Stratonovich sense. First, the considered model is converted to the nonlinear ordinary d
Externí odkaz:
https://doaj.org/article/1ba71f53d89a4ab195d1a2b7fa51a536
Autor:
Xinyi CAO, Yuanzheng ZHAI, Muzi LI, Chengzhong PAN, Fuxin ZHENG, Hong LU, Xuelian XIA, Yanguo TENG, Jinsheng WANG
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 49, Iss 1, Pp 20-29 (2022)
Due to the effect of climate changes and human activities, groundwater over-exploitation and aquifer depletion have become global issues of concern. Artificial recharge of groundwater through a river has been paid more attention among a variety of ar
Externí odkaz:
https://doaj.org/article/cdb6355a067f4154b80a1176eb1dbbc2