Zobrazeno 1 - 10
of 202
pro vyhledávání: '"Zhifen Zhang"'
Autor:
Jing Huang, Zhifen Zhang, Yanlong Yu, Yongjie Li, Shuai Zhang, Rui Qin, Ji Xing, Wei Cheng, Guangrui Wen, Xuefeng Chen
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 18, Iss 1 (2024)
The weld crack leakage due to stress concentration and external load is a significant safety risk in pressure pipelines. Microstructural variations and dynamic propagation lead to unpredictable changes in leakage rate over time and conditions. To add
Externí odkaz:
https://doaj.org/article/5eb8d3a365d74b798d0d5a8655fbd23b
Autor:
Shuai Zhang, Zhifen Zhang, Xizhang Chen, Rui Qin, Jie Wang, Zijian Bai, Zhiwen Li, Jing Huang, Yu Su, Guangrui Wen, Xuefeng Chen
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
Macroscopic deformation and microscopic pores are the main defects affecting the comprehensive performance of laser powder bed fusion (LPBF) parts. The LPBF process involves highly coupled multiple physical mechanisms over a wide time scale, making i
Externí odkaz:
https://doaj.org/article/e264dec12b0844b0b5a43e873d5c2487
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35405- (2024)
Objective: To explore the possible mechanisms by which follicle-stimulating hormone (FSH) regulates postmenopausal osteoporosis through the FSH/FSH receptor (FSHr)/G protein/C/EBPβ/heat shock protein 90 alpha (HSP90α) signalling pathways. Methods:
Externí odkaz:
https://doaj.org/article/87d6672752384665982732dee9e07566
Autor:
Yuanlin Zhang, Guangrui Wen, Liangbo Li, Zihao Lei, Xiaogang Qi, Boyang Huang, Yu Su, Zhifen Zhang, Xiangfan Nie, Zhanling Zhang
Publikováno v:
Machines, Vol 12, Iss 10, p 715 (2024)
As a crucial high-performance material, nickel-based superalloys inevitably generate residual stresses during processing, manufacturing, and usage. The mechanical properties of nickel-based superalloys are significantly reduced by residual stress, wh
Externí odkaz:
https://doaj.org/article/6634d636f3024682a4f3ca2d74a7fc28
Autor:
Yijie Chen, Miao Deng, Zhaojing Chen, Shuyang Han, Jun Chen, Hongyan Zhang, Qianwen Wang, Xuejing Jin, Wenhua Liu, Zhifen Zhang
Publikováno v:
Journal of Ovarian Research, Vol 15, Iss 1, Pp 1-9 (2022)
Abstract Background Insulin-like peptide 5 (INSL5) is involved in both reproductive and metabolic processes in polycystic ovary syndrome (PCOS). This study aimed to evaluate the relationship between INSL5 and anti-Müllerian hormone (AMH). Methods A
Externí odkaz:
https://doaj.org/article/5c201c5bb0e44ecd979a81f2ef80a9fd
Publikováno v:
Frontiers in Endocrinology, Vol 14 (2023)
ObjectiveThe effects of insulin resistance (IR) on bone mineral density (BMD) are unclear. This investigation aimed to assess the impact of IR and hyperinsulinemia on bone health. Determine whether IR mediates the link between follicle-stimulating ho
Externí odkaz:
https://doaj.org/article/c1e4cacfa838443f819f46738c0f5a90
Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome
Publikováno v:
Frontiers in Endocrinology, Vol 13 (2022)
ObjectiveTo investigate the efficacy of oral letrozole (LE) starting on day 3 or 5 of the menstrual cycle in patients with polycystic ovary syndrome (PCOS).DesignRetrospective cohort study.SettingReproductive Endocrinology Department of Hangzhou Wome
Externí odkaz:
https://doaj.org/article/594b933fcf5b491fa114e85654e1e033
Publikováno v:
BMC Medical Informatics and Decision Making, Vol 21, Iss 1, Pp 1-10 (2021)
Abstract Background Birthweight is an important indicator during the fetal development process to protect the maternal and infant safety. However, birthweight is difficult to be directly measured, and is usually roughly estimated by the empirical for
Externí odkaz:
https://doaj.org/article/ef207abba9b844c580c2a30f387fc79f
Publikováno v:
IEEE Access, Vol 9, Pp 61671-61679 (2021)
Most aluminum alloys, especially the 7xxx series, are incompatible with laser additive manufacturing due to many factors. In-situ process monitoring technology offers an excellent opportunity for process understanding and control, which improves the
Externí odkaz:
https://doaj.org/article/1fbba27ffb4a452ab041f515aeecfbf0
Publikováno v:
BMC Pregnancy and Childbirth, Vol 20, Iss 1, Pp 1-8 (2020)
Abstract Background To determine whether advanced maternal age (AMA) causes changes in the maternal serum markers of Trisomy 21, 18 and open neural tube defects (ONTD) during the second trimester of pregnancy. Our research aims to develop new cut-off
Externí odkaz:
https://doaj.org/article/56b9da05cb394b87891552fc4e3f25c0