Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Qingning Li"'
Publikováno v:
Advances in Civil Engineering, Vol 2023 (2023)
The traditional precast concrete column-to-column connections are widely used in the prefabricated concrete frame structures in China. However, many studies on the column-to-column joints have demonstrated their complex forms and poor construction ef
Externí odkaz:
https://doaj.org/article/a62da9a0c1704b6fa07b76f87915f32b
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
As the development of building industrialization and housing industrialization is speeding up in China, the application of precast concrete structure has been the research focus. The connection of prefabricated components is one of the key technologi
Externí odkaz:
https://doaj.org/article/10a8f39155df40c4903ed9ddf5b49e62
Publikováno v:
Journal of Advanced Ceramics, Vol 6, Iss 3, Pp 262-268 (2017)
Abstract The structure of the ferroelectrics has been widely studied in order to pursuing the origin of high electromechanical responses. However, some experiments on structure of ferroelectrics have yielded different results. Here, we report that th
Externí odkaz:
https://doaj.org/article/5d5ea44063774db7b72c4a94ae50b994
Autor:
Jiwen Xu, Qingning Li, Ling Yang, Weidong Zeng, Changrong Zhou, Changlai Yuan, Guohua Chen, Guanghui Rao
Publikováno v:
Journal of Materiomics, Vol 3, Iss 2, Pp 121-129 (2017)
The effect of thermal and electrical histories on structure and dielectric behaviors is studied using 0.95(Bi0.5Na0.5)0.97(Li0.5Nd0.5)0.03TiO3-0.05BaTiO3 (abbreviated as BNTLN0.03-BT5) ceramic as a selected system. Subtle structure change caused by a
Externí odkaz:
https://doaj.org/article/ac55e098333e40d9b5cb2dfdf7392e2c
Autor:
Pei Chen, Jun Wang, Weidong Zeng, Changrong Zhou, Yongsheng Zhang, Qingning Li, Jiwen Xu, Guohua Chen, Changlai Yuan
Publikováno v:
Journal of Advanced Dielectrics, Vol 9, Iss 5, Pp 1950038-1-1950038-8 (2019)
Microstructure and dielectric behaviors of heating/cooling and bias-field were investigated in lead-free ceramics (1−x)Bi0.5Na0.5TiO3−xBaTiO3 (BNT−xBT, x=0, 0.02, 0.04, 0.06, 0.08 and 0.10). The relaxor characters and the Vogel–Fulcher law of
Externí odkaz:
https://doaj.org/article/789836c4021a41bc851f205822a44e40
Autor:
Xiaopeng Lu, Jiwen Xu, Ling Yang, Changrong Zhou, YangYang Zhao, Changlai Yuan, Qingning Li, Guohua Chen, Hua Wang
Publikováno v:
Journal of Materiomics, Vol 2, Iss 1, Pp 87-93 (2016)
Lead-free [(Bi0.5Na0.5)0.93Ba0.07]1-xLaxTi1-yZryO3 (BNBLTZ) ceramics were investigated for energy storage applications. In order to adjust its energy storage properties, the La and Zr co-doping contents varied at 0.01 ≤ x, y ≤ 0.04. BNBLTZ cerami
Externí odkaz:
https://doaj.org/article/d456456438e94671b5fab74a0208420e
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
In order to study the theory and application of the pile foundation underpinning technology, 3 local node models of underpinning structures with a similarity ratio of 1/1 were made and the progressive repeated static loading tests were conducted. The
Externí odkaz:
https://doaj.org/article/6d39a83f15324c298f332b7c8eba9a0e
Experimental Research on Seismic Performance of a New-Type of R/C Beam-Column Joints with End Plates
Publikováno v:
Shock and Vibration, Vol 2017 (2017)
This paper presents a new-type of fabricated beam-column connections with end plates. The joint details are as follows: the concrete beams are connected to column by end plates and six high strength long bolts passing through the core area. In additi
Externí odkaz:
https://doaj.org/article/cefc9756a91e4763abf2a0e09def63f4
Publikováno v:
Shock and Vibration, Vol 2016 (2016)
Specific to severe damage to curved bridges in earthquakes caused by the excessive force of the fixed bearings and piers, a new seismic design method on curved bridges considering bearing friction sliding isolation is proposed in this paper. Seismic
Externí odkaz:
https://doaj.org/article/0530e302845c46e7a68083a211d64fec
Publikováno v:
PLoS ONE, Vol 9, Iss 2, p e88925 (2014)
OBJECTIVE: To investigate clinical features of infantile hypertrophic pyloric stenosis (IHPS) in Chinese Han population. METHODS: Three hundred and sixteen hospitalized patients with IHPS from January 1998 to February 2010 were retrospectively review
Externí odkaz:
https://doaj.org/article/606d0312e9de487ba5eb61130895fa0f