Results 21 to 30 of about 2,580,935 (303)

Variable-diameter structure design of MFL inline detector for oil and gas pipelines

open access: yesYou-qi chuyun, 2022
In order to meet the requirements of long-distance oil and gas pipelines with variable diameters of 610-762 mm for inline detection, a Magnetic Flux Leakage(MFL) inline detector applicable to such oil and gas pipelines was developed.In the new design, a ...
LI Yaping, PENG Yunchao, GAN Bang
doaj   +1 more source

Carbon Capture and Storage Regulatory Test Toolkit [PDF]

open access: yes, 2011
Large point sources of carbon dioxide are responsible for a significant proportion of the world's greenhouse gas emissions - with fossil fuel power stations and other large-scale industrial activities responsible for around half of the total.
Evar, Benjamin   +2 more
core   +2 more sources

Investigation of Mechanical Clearance Change with Thermal Flying-height Control Slider at High Altitude

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
Clearance change between a magnetic head with a thermal flying-height control (TFC) function and a magnetic disk at high altitude was investigated. To clarify the change of head-disk clearance in the case of TFC actuation at high altitude, head-disk ...
Satoru OOKUBO   +4 more
doaj   +1 more source

Analysis of the Subsidence Evolution Characteristics of Existing Railway Lines Due to Surface Subsidence from Salt Cavern Gas Storage Facilities [PDF]

open access: yesE3S Web of Conferences
The railway subgrade is a crucial component of the railway transportation system and serves as the foundation for the normal operation of the railway.
Qian Su, Yan Fenglin
doaj   +1 more source

A generic storage API [PDF]

open access: yes, 2011
Submitted to ACSC 2004 This work was supported by EPSRC grant GR/R45154 "Bulk Storage of XML Documents"We present a generic API suitable for provision of highly generic storage facilities that can be tailored to produce various individually customised ...
Dearle, Alan   +3 more
core   +2 more sources

Optimization of Technology for Performing Liquidation Measures at Chemical Weapons Destruction Facilities

open access: yesВестник войск РХБ защиты, 2020
In accordance with the instructions of the President of the Russian Federation, the implementation of the Russian Federation's conventional obligations in the field of chemical disarmament assumes, after the completion of the destruction of chemical ...
V. P. Kapashin   +6 more
doaj   +1 more source

Research on horizontal multi-step cavity construction for salt cavern gas storage based on experiments

open access: yesYou-qi chuyun
ObjectiveGiven that most salt rock strata in China consist of thin-layered salt formations, conventional single-well and single-cavity construction technologies are no longer adequate for the efficient construction of large-size salt cavities.
Jiasong CHEN   +7 more
doaj   +1 more source

Design of solution mining technology for thick-interlayer salt beds in Huai'an salt cavern gas storage

open access: yesYou-qi chuyun, 2020
For the full use of proven high-quality salt resources to build salt cavern gas storage and minimizing the impact of thick interlayer in salt beds on solution mining, it is required to carry out research on solution mining technology under the condition ...
Deshan QI   +6 more
doaj   +1 more source

Feasibility of multi-step cavity construction technology and evaluation of cavity stability for horizontal salt cavern gas storage

open access: yesYou-qi chuyun
ObjectiveTo address the extremely low utilization rate of thin salt beds in horizontal salt cavern gas storage in China—caused by brine gravity differentiation—a novel three-step solution mining technology featuring “vertical–horizontal–inclined” cavity ...
Jiasong CHEN   +7 more
doaj   +1 more source

Research on an intelligent monitoring system for the entire tunnel construction process based on IoT and digital twin

open access: yesInternational Journal of Metrology and Quality Engineering
There are high-risk problems, such as peripheral rock instability and palm face collapse, during tunnel construction, and the traditional monitoring methods are difficult to meet the safety management needs due to sparse data and lagging response.
Huang Canxin   +5 more
doaj   +1 more source

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