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单词 headgate
释义

headgate in British English

(ˈhɛdˌɡeɪt)
noun
1. 
a gate that is used to control the flow of water at the upper end of a lock or conduit
Compare tailgate (sense 4)
2.  another name for floodgate (sense 1)

Examples of 'headgate' in a sentence
headgate

The roof behavior in the headgate near the face was carefully observed during longwall retreat.
Peter Zhang, Dave Gearhart, Mark Van Dyke, Daniel Su, Essie Esterhuizen, Berk Tulu 2019, 'Ground response to high horizontal stresses during longwall retreat and its implicationsfor longwall headgate support', International Journal of Mining Science and Technologyhttp://www.sciencedirect.com/science/article/pii/S209526861830661X. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Roof falls in longwall headgate can occur when weak roof and high horizontal stress are present.
Peter Zhang, Dave Gearhart, Mark Van Dyke, Daniel Su, Essie Esterhuizen, Berk Tulu 2019, 'Ground response to high horizontal stresses during longwall retreat and its implicationsfor longwall headgate support', International Journal of Mining Science and Technologyhttp://www.sciencedirect.com/science/article/pii/S209526861830661X. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Computed results compare favorably with the evolution of closure measurements about an instrumented pillar in a two-entry headgate.
William G. Pariseau, Michael K. McCarter, Jessica M. Wempen 2019, 'Comparison of closure measurements with finite element model results in an undergroundcoal mine in central Utah', International Journal of Mining Science and Technologyhttp://www.sciencedirect.com/science/article/pii/S2095268618306542. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The conditions in the headgate were monitored for about six months as the longwall face passed by the instrumented site.
Peter Zhang, Dave Gearhart, Mark Van Dyke, Daniel Su, Essie Esterhuizen, Berk Tulu 2019, 'Ground response to high horizontal stresses during longwall retreat and its implicationsfor longwall headgate support', International Journal of Mining Science and Technologyhttp://www.sciencedirect.com/science/article/pii/S209526861830661X. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
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更新时间：2024/11/11 12:41:36