Zobrazeno 1 - 10
of 2 901
pro vyhledávání: '"Leiyu"'
Experimental study on the sandstone abrasiveness via mineral composition and microstructure analysis
Publikováno v:
Petroleum, Vol 10, Iss 3, Pp 440-445 (2024)
Rock abrasiveness is an important factor affecting the tool's lifetime and efficiency in breaking a rock. Characterizing rock abrasiveness helps in the design, optimization, and mean-life prediction of tools. X-ray diffraction, cast thin section anal
Externí odkaz:
https://doaj.org/article/66235ec1840446b6acd0cdfcd4e509a9
Publikováno v:
Alexandria Engineering Journal, Vol 103, Iss , Pp 21-29 (2024)
In the energy harvesting field, it is critical to efficiently convert ambient vibrations into usable electrical energy, especially under conditions characterized by low amplitude and random excitations. This study introduces a novel hybrid bistable p
Externí odkaz:
https://doaj.org/article/09b595d986804c729b28b34e76eaeb96
Publikováno v:
International Journal for Equity in Health, Vol 23, Iss 1, Pp 1-7 (2024)
Abstract Objective This study aimed to understand the composition and influencing factors of epilepsy patients’ hospitalization expenses, thus providing a reference for reducing the disease burden of epilepsy patients in low- and middle-income deve
Externí odkaz:
https://doaj.org/article/644092fd59994e99967641939d7a2a7e
Autor:
Mengyuan Ma, Leiyu Shi, Wanzhen Xie, Qiuli Zhu, Junqing Luo, Shengwu Liao, Oudong Xia, Gang Sun
Publikováno v:
International Journal for Equity in Health, Vol 23, Iss 1, Pp 1-14 (2024)
Abstract Object To analyze the trend of the coupling and coordination of the supply and demand of healthcare resources between the elderly population and healthcare resources in China during the period of 2012–2022, to reveal the impact of the grow
Externí odkaz:
https://doaj.org/article/dcbc2e4dbfc94aa1b6b0c32c9092175d
Publikováno v:
Meitan kexue jishu, Vol 52, Iss S1, Pp 211-220 (2024)
The prediction of mine water inflow is of great significance to the safe production of coal mines. The accurate selection of hydrogeological parameters and the selection of calculation methods have a great influence on the accurate prediction of mine
Externí odkaz:
https://doaj.org/article/185557fd3c974d56907577b9dc6c9220
Publikováno v:
Meitan kexue jishu, Vol 52, Iss S1, Pp 201-210 (2024)
Hetaoyu well field has large production capacity and stable distribution of coal seam, The thick sandstone aquifer of Luohe Formation in the roof of coal seam is the main water-filling aquifer which will result in coal seam roof water damage and th
Externí odkaz:
https://doaj.org/article/852fb75839fd4319a81e9f91011040e1
Publikováno v:
Journal of Traffic and Transportation Engineering (English ed. Online), Vol 11, Iss 3, Pp 559-573 (2024)
The temperature and moisture of the pavement structure can be greatly influenced by the wind speed above pavement surface. The wind speed above pavement surface not only is dominated by the wind speed of atmosphere, but also it is highly related to t
Externí odkaz:
https://doaj.org/article/a6893d4c88c745f495fc9b8cc723961a
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
IntroductionDementia and physical disability are serious problems faced by the aging population, and their occurrence and development interact.MethodsBased on data from a national cohort of Chinese people aged 60 years and above from the China Health
Externí odkaz:
https://doaj.org/article/604737687a0342809f8ec817f8861004
Publikováno v:
Frontiers in Immunology, Vol 15 (2024)
BackgroundPancreatic adenocarcinoma (PAAD) is a formidable challenge in oncology research, with a complex pathogenesis that requires to be explored. Major Vault Protein (MVP) is the principal structural component of the vault complex, and its express
Externí odkaz:
https://doaj.org/article/91920216503b431e85238a743f0bc4e8
Autor:
Hui Wang, Shuhui Zhang, Zidun Wang, Dongmei Li, Leiyu Yan, Yifeng Feng, Xiaojie Liu, Rongxin Chen, Wenmin Fan, Lulong Sun, Zhengyang Zhao
Publikováno v:
Horticultural Plant Journal, Vol 10, Iss 2, Pp 305-317 (2024)
Apples are one of the most important economic crops worldwide. Because of global warming and an aggravation of environmental, abnormally high temperatures occur frequently in fruit-growing season and seriously affect normal fruit growth and reduce fr
Externí odkaz:
https://doaj.org/article/d1a74772322d49b2b396e2d4b1e8f95a