Zobrazeno 1 - 10
of 12 296
pro vyhledávání: '"Q. Xue"'
Publikováno v:
Mechanical Sciences, Vol 13, Pp 89-99 (2022)
The deformation and damage mechanisms of tunnel-surrounding rock masses have always been a major problem in underground engineering, and studying these mechanisms plays an important role in preventing this kind of geological disaster. Against the bac
Externí odkaz:
https://doaj.org/article/7b9babe46daf410fae16b94b574f487a
Publikováno v:
Earth System Science Data, Vol 13, Pp 5071-5085 (2021)
Long-term urban extent data are highly desirable for understanding urban land use patterns. However, urban observation data based on remote sensing are typically confined to recent decades. In this study, we advance in this arena by reconstructing th
Externí odkaz:
https://doaj.org/article/d8dc012d57894eda956c2f0e35c206aa
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 16219-16235 (2021)
A thorough understanding of the relationship between urbanization and PM2.5 (fine particulate matter with aerodynamic diameter less than 2.5 µm) variation is crucial for researchers and policymakers to study health effects and improve air quality. I
Externí odkaz:
https://doaj.org/article/efdbe4c7ec5d41d3aa6911c233436c54
Publikováno v:
Mechanical Sciences, Vol 11, Pp 285-297 (2020)
In this paper we analysis of the dynamic model of the Rotary Steerable System (RSS) with a single stabilizer and flex-sub. The drill collar and joint are simplified to obtain suitable bottom-hole assembly (BHA) model of mechanical analysis and finite
Externí odkaz:
https://doaj.org/article/3c72b1b415a4482baa9065dfdd460871
Publikováno v:
International Journal of Production Management and Engineering, Vol 8, Iss 1, Pp 45-57 (2020)
This study aims at the preliminary assessment in designing a complete stand-alone industrial facility to produce injection molded parts for the automotive industry. A draft design solution to allow the company to evaluate the capital investment was p
Externí odkaz:
https://doaj.org/article/a8c5317f59014c4a8137d76b35c4064a
Publikováno v:
Materiales de Construccion, Vol 71, Iss 343 (2021)
To enhance the interfacial bonding performance between magnesium potassium phosphate cement (MKPC) repair mortar and matrix concrete, in this study, MKPC modified mortar was used as the repair material to splice long prismatic test pieces. The four-p
Externí odkaz:
https://doaj.org/article/e9da3fe151074be5b82ca17bf88a2bc6
Publikováno v:
Mechanical Sciences, Vol 10, Pp 363-371 (2019)
It is well known that the influence of the internal and external drilling fluid on the lateral vibration characteristics of drillstring cannot be ignored. In this paper, experiment apparatus for simulating drillstring vibration was established. Hamme
Externí odkaz:
https://doaj.org/article/081b13213b144601910e7609bb6a8269
Publikováno v:
Mechanical Sciences, Vol 10, Pp 79-90 (2019)
Vibration and high shock are major factors in the failure of downhole tools. It is important to study the causes of vibration and shock formation to prevent failure of the drillstring and bottom hole assembly (BHA). At present, it is generally recogn
Externí odkaz:
https://doaj.org/article/926847079a8342a2a8ead8e8085d0bb1
Publikováno v:
Archives Animal Breeding, Vol 60, Pp 327-333 (2017)
The perilipin gene (PLIN) plays a crucial role in lipid metabolism and fat deposition. In order to reveal the genetic effects of PLIN polymorphisms on body weight (BW) traits in chickens, PLIN gene polymorphisms in 322 Jinmao Hua chickens were de
Externí odkaz:
https://doaj.org/article/0721bfba3a8c419d936f33a4e3922218
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 10, Iss 2, Pp 491-498 (2017)
Characteristics of the flow on hydrophobic surfaces with a full covering gas film are investigated using the single-component multi-phase (SCMP) Lattice Boltzmann (LB) simulation. By adopting the Shan-Doolen force model and incorporating equations of
Externí odkaz:
https://doaj.org/article/b116c95154fd4bc482e7e392ea01c74f