Zobrazeno 1 - 10
of 242
pro vyhledávání: '"Zhang, QianWei"'
Common revenue allocation in DMUs with two stages based on DEA cross-efficiency and cooperative game
In this paper, we examine two-stage production organizations as decision-making units (DMUs) that can collaborate to form alliances. We present a novel approach to transform a grand coalition of n DMUs with a two-stage structure into 2n single-stage
Externí odkaz:
http://arxiv.org/abs/2409.08502
Autor:
Li, Yi, Zhang, Qianwei
This paper investigates gradient estimates on graphs satisfying the $CD\psi(n,-K)$ condition with positive constants $n,K$, and concave $C^{1}$ functions $\psi:(0,+\infty)\rightarrow\mathbb{R}$. Our study focuses on gradient estimates for positive so
Externí odkaz:
http://arxiv.org/abs/2312.15419
Autor:
Li, Yi, Zhang, Qianwei
Let $G=(V, E)$ be a connected finite graph, $h$ be a positive function on $V$ and $\lambda _{1}(V)$ be the first non-zero eigenvalue of $-\Delta$. For any given finite measure $\mu$ on $V$, define functionals \begin{eqnarray*} J_{ \beta }(u)&=&\frac{
Externí odkaz:
http://arxiv.org/abs/2308.10002
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 7, Pp 109-119 (2024)
WC-Co cemented carbide has applied in various fields due to its excellent properties. However， the defects of Co bonding phase in hard alloys， such as low hardness， low wear resistance， and poor high-temperature stability， limit their use.
Externí odkaz:
https://doaj.org/article/ecf0a80091e84521b5f920d1eee78978
Publikováno v:
In Chaos, Solitons and Fractals: the interdisciplinary journal of Nonlinear Science, and Nonequilibrium and Complex Phenomena December 2024 189 Part 1
Autor:
Wang, Changyu, Xu, Lujie, Zhang, Qianwei, Jiang, Qian, Liu, Yang, Li, Pengfei, Xu, Gang, Luo, Kaiyu, Lu, Jinzhong
Publikováno v:
In Surface & Coatings Technology 30 October 2024 494 Part 1
Autor:
Zhang, Qianwei, Liu, Xin, Du, Changliang, Jin, Mingwei, Yang, Lifen, Jiang, Rong, Ma, Xilan, Zhu, Youqi, Cao, Chuanbao, Zou, Meishuai
Publikováno v:
In Chemical Engineering Journal 15 October 2024 498
Autor:
Yang, Lifen, Du, Changliang, Tian, Jiachen, Yao, Xiuyun, Zhang, Qianwei, Ma, Xilan, Zhu, Youqi, Zou, Meishuai, Cao, Chuanbao
Publikováno v:
In Applied Catalysis B: Environment and Energy 15 October 2024 355
Autor:
Jin, Mingwei, Xue, Zhaoyu, Cao, Heng, Zhang, Qianwei, Jiang, Rong, Du, Changliang, Yang, Lifen, Ma, Xilan, Zhu, Youqi, Zou, Meishuai, Cao, Chuanbao
Publikováno v:
In Chemical Engineering Journal 1 August 2024 493
Publikováno v:
In Applied Mathematics and Computation 1 August 2024 474