Zobrazeno 1 - 10
of 351
pro vyhledávání: '"Ju Ma"'
Publikováno v:
BMC Nursing, Vol 23, Iss 1, Pp 1-12 (2024)
Abstract Introduction Venous thromboembolism (VTE), including deep venous thrombosis and pulmonary embolism, is a common and potentially fatal post-surgery complication. Research has shown that 50% of VTE causes are intraoperative, with the risk of o
Externí odkaz:
https://doaj.org/article/83652d0f92f844debac32c5edd465196
Autor:
Wenqi Li, Lixin Meng, Qianfen Zhang, Yan Liu, Sheng Wang, Ju Ma, Yan Zhou, Diaoyu Zhou, Hongxia Wang, Weili Cheng, Zhiyong You, Xiaofeng Niu, Yuhong Zhao
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3037-3051 (2024)
The study in this work fully utilized the computational advantages of various numerical methods and established a SPH-PFM coupling model for the 316 L SLM process. The temperature field, melt pool changes, and microstructure evolution of the 316 L SL
Externí odkaz:
https://doaj.org/article/09c3e75406bc4ac49191fe5a870410f9
Autor:
Ju Ma, Xiaofeng Niu, Yan Zhou, Wenqi Li, Yan Liu, Mengqing Shen, Hongxia Wang, Weili Cheng, Zhiyong You
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 600-616 (2023)
Selective Laser Melting (SLM) is an efficient and advanced manufacturing technology that utilizes lasers to melt and solidify metal or alloy powders, layer by layer, to form the desired object shape. This study aims to investigate the evolution behav
Externí odkaz:
https://doaj.org/article/f20eeaba185c495ebe54e68554bd20c8
Publikováno v:
Sensors, Vol 24, Iss 17, p 5502 (2024)
Most current methods use spatial–temporal graph neural networks (STGNNs) to analyze complex spatial–temporal information from traffic data collected from hundreds of sensors. STGNNs combine graph neural networks (GNNs) and sequence models to crea
Externí odkaz:
https://doaj.org/article/3325be6e167843ac872ca53fa8c4c4c9
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Clustering methods aim to categorize data or samples into distinct groups based on their similarity. When applying clustering methods to earthquake events, it is crucial to establish a metric for quantifying the similarity between these events. Direc
Externí odkaz:
https://doaj.org/article/83a0a298820f436da498104f68d6bfd2
Publikováno v:
Metals, Vol 13, Iss 7, p 1212 (2023)
This paper used the smoothed particle hydrodynamics (SPH) method to construct a three-dimensional mathematical model of the selective laser melting (SLM) process of 304 L austenitic stainless steel. Important driving force models for the melt pool in
Externí odkaz:
https://doaj.org/article/1c37b8eb6a414fbc90b5421277ea2db7
Publikováno v:
Engineering, Vol 7, Iss 7, Pp 1011-1022 (2021)
The detection of abnormal regions in complex structures is one of the most challenging targets for underground space engineering. Natural or artificial geologic variations reduce the effectiveness of conventional exploration methods. With the emergen
Externí odkaz:
https://doaj.org/article/7eb98ba83be843c085b056a531de1184
Autor:
Ding Wang, Guodong Wei, Ju Ma, Shuai Cheng, Longyuan Jia, Xinyue Song, Ming Zhang, Mingyi Ju, Lin Wang, Lin Zhao, Shijie Xin
Publikováno v:
BMC Cancer, Vol 21, Iss 1, Pp 1-12 (2021)
Abstract Background Breast cancer (BRCA) is a malignant tumor with high morbidity and mortality, which is a threat to women’s health worldwide. Ferroptosis is closely related to the occurrence and development of breast cancer. Here, we aimed to est
Externí odkaz:
https://doaj.org/article/7d67850c8ad342729d41cba653c7deb5
Publikováno v:
IEEE Access, Vol 8, Pp 82255-82265 (2020)
As an important part of emergency response, the post-disaster emergency resource allocation is essential for mitigating disaster losses. To realize the effective allocation of relief materials and the reasonable selection of transportation routes, a
Externí odkaz:
https://doaj.org/article/645e2b0377654fc1b1dd68235f4ccf50
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
Although elastic properties of hydrating cement paste are crucial in concrete engineering practice, there are only a few widely available models for engineers to predict the elastic behavior of hydrating cement paste. Therefore, in this paper, we der
Externí odkaz:
https://doaj.org/article/54d443a36ed746209f42bba0a227bf49