Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Yongping Sun"'
Autor:
Yifan Shen, Xunpeng Shi, Zhibo Zhao, Jinghang Xu, Yongping Sun, Zhenliang Liao, Yingzhu Li, Yuli Shan
Publikováno v:
Scientific Data, Vol 10, Iss 1, Pp 1-10 (2023)
Abstract Cities are at the heart of climate change mitigation as they account for over 70% of global carbon emissions. However, cities vary in their energy systems and socioeconomic capacities to transition to renewable energy. To address this hetero
Externí odkaz:
https://doaj.org/article/570c81531e5642c1b6b612c92826662c
Publikováno v:
Advanced Science, Vol 10, Iss 18, Pp n/a-n/a (2023)
Abstract Compromised regeneration resulting from the deactivation of Wnt/β‐catenin signaling contributes to the progression of chronic obstructive pulmonary disease (COPD) with limited therapeutic options. Extracellular cytokine‐induced Wnt‐ba
Externí odkaz:
https://doaj.org/article/345cc36ae63b466f80f015896aa76bfa
Publikováno v:
Climate Risk Management, Vol 39, Iss , Pp 100474- (2023)
The frequency, intensity and duration of extreme weather events have seriously affected human life and production. The electric power sector is the foundation of economic activity as well as a core participant in the adaptation and mitigation of clim
Externí odkaz:
https://doaj.org/article/75f2f8c32dab4fd286ce91a957112a6e
Publikováno v:
iScience, Vol 26, Iss 1, Pp 105803- (2023)
Summary: Cities’ transition from fossil-based systems of energy production and consumption to renewable energy sources—the energy transition—is critical to mitigating climate change impact as cities’ energy consumption and CO2 emissions accou
Externí odkaz:
https://doaj.org/article/3ba957fbbe6a4bed860ab1e612f3e3af
Publikováno v:
IEEE Access, Vol 9, Pp 156717-156728 (2021)
In this paper, an X-Y position stage simulates flexible loads completing handling or detection tasks in industrial applications are studied. The platform is driven by permanent magnet synchronous motors (PMSM) servo system, which has flexible beams w
Externí odkaz:
https://doaj.org/article/b1b4c9d77fc947518d738f6fb8aa7024
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
Externí odkaz:
https://doaj.org/article/8a148f4282cd481f8984b8547af9dbb7
Publikováno v:
Frontiers in Environmental Science, Vol 9 (2021)
Hydrogen fuel cell vehicle industry is in a rapid development stage. Studying the domestic spatial distribution of hydrogen fuel cell vehicle industry across a country, especially the spatio-temporal evolution of the innovation level and position of
Externí odkaz:
https://doaj.org/article/41ab200b7f8947cea1808069d3aba6c0
Publikováno v:
Frontiers in Pediatrics, Vol 8 (2020)
Background: Retinopathy of pre-maturity (ROP) is a disorder of the retinal blood vessels in pre-term infants with low birth weight. It is a leading cause of blindness in children. During ROP screening, the use of mydriatic drops and eyelid openers ca
Externí odkaz:
https://doaj.org/article/85b935ad1b5746c89e03035b9d22cd06
Autor:
Yongping Sun
Publikováno v:
Electronic Journal of Differential Equations, Vol 2005, Iss 127, Pp 1-7 (2005)
In this paper, we consider the second-order three-point boundary-value problem $$displaylines{ u''(t)+f(t,u,u',u'')=0,quad 0leq tleq 1,cr u(0)=u(1)=alpha u(eta). }$$ Under suitable conditions and using Schauder fixed point theorem, we prove the exist
Externí odkaz:
https://doaj.org/article/1f867682ac18447e8e46e72fbe32e0f0
Publikováno v:
Abstract and Applied Analysis, Vol 2014 (2014)
We study the existence and uniqueness of positive solutions for a class of singular m-point boundary value problems of second order differential equations on a measure chain. A sharper sufficient condition for the existence and uniqueness of Crd1[
Externí odkaz:
https://doaj.org/article/a6110fec05d54303830f4a6a6eca78d3