Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Yunjie WEI"'
Autor:
Wencan Lin, Yunjie Wei
Publikováno v:
Journal of Management Science and Engineering, Vol 9, Iss 2, Pp 254-270 (2024)
Big data technology has revolutionized the research paradigm of economic forecasting regardless of the data source, forecasting method, or forecasting result. This study evaluates the current literature on economic forecasting using big data and empl
Externí odkaz:
https://doaj.org/article/efdacfb7bb9142a7b2b2898acec30253
Publikováno v:
Financial Innovation, Vol 10, Iss 1, Pp 1-31 (2024)
Abstract Developing effective strategies to earn excess returns in the stock market is a cutting-edge topic in the field of economics. At the same time, stock price forecasting that supports trading strategies is considered one of the most challengin
Externí odkaz:
https://doaj.org/article/da51af066e084266882a7dca1bff167a
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21380- (2023)
This study analyzes the performance of the Shanghai Composite Index, S&P 500 index, WTI oil price, and LBMA gold price when wars took place, especially the Russia-Ukraine conflict. We employ empirical methods to explore the stability, instantaneous s
Externí odkaz:
https://doaj.org/article/1adf5babaa484a53b0b6b581033579e3
Autor:
Jiajuan Chen, Zusheng Tang, Zhen Chen, Yunjie Wei, Hui Liang, Xiaoqiao Zhang, Zhen Gao, Hezhong Zhu
Publikováno v:
BMC Cardiovascular Disorders, Vol 23, Iss 1, Pp 1-9 (2023)
Abstract Background To investigate the expression of miR-218-5p in atherosclerosis patients and its effect on ox-LDL induced THP-1-derived macrophage inflammatory response. Methods RT-qPCR detected the expression of serum miR-218-5p, and the diagnost
Externí odkaz:
https://doaj.org/article/be881b8de57745eda4419bfbe2583f01
Publikováno v:
Zhongguo dizhi zaihai yu fangzhi xuebao, Vol 33, Iss 1, Pp 6-17 (2022)
SAR offset and optical offset are important techniques for glacier movement monitoring, but there are few researches on 3D deformation by integrating images from different platforms. In this paper, large glaciers in The Shisha Pangma area of Nyalam C
Externí odkaz:
https://doaj.org/article/77b81a1e6a944cbbbc738e760f8f4892
Publikováno v:
Zhongguo dizhi zaihai yu fangzhi xuebao, Vol 33, Iss 1, Pp 18-26 (2022)
Southeast Tibet, located in the southeast part of Qinghai-Tibet Plateau, is characterized by steep terrain, frequent occurrence and large scale of geological disasters due to multiple plate tectonic movements and compression movements between rock ma
Externí odkaz:
https://doaj.org/article/835932061a374dfd847cbd4a75577893
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 49, Iss 1, Pp 84-91 (2022)
In order to reflect the whole deformation process of unsaturated foundation soil, the consolidated drained triaxial compression test is carried out on the unsaturated soil of a foundation project. It is found that the partial stress-strain curve of u
Externí odkaz:
https://doaj.org/article/08d1f0d412cd490ebe2880ce9fbecb49
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 48, Iss 6, Pp 187-195 (2021)
Deqin County is one of the areas suffering the most serious geological disasters in Yunnan Province. Based on the development characteristics of the debris flow in the Zhixi River, this study identifies five disaster-generating modes for the debris f
Externí odkaz:
https://doaj.org/article/bfc7df5b71734215865f7ec722f254e6
Publikováno v:
Financial Innovation, Vol 7, Iss 1, Pp 1-26 (2021)
Abstract The emergence and growing popularity of Bitcoins have attracted the attention of the financial world. However, few empirical studies have considered the inclusion of the newly emerged commodity asset in the global commodity market. It is of
Externí odkaz:
https://doaj.org/article/db37f75105c9410eae0f8c290de8a93e
Publikováno v:
Foods, Vol 12, Iss 11, p 2271 (2023)
Food security is critical for socioeconomic development. In grassland areas, inappropriate food consumption patterns can cause irreversible damage to vulnerable local ecosystems. This study aims to examine the household dietary diversity status and d
Externí odkaz:
https://doaj.org/article/1bfe5e227deb429fb687962df73fe144