Results 31 to 40 of about 211,136 (258)

Optimal selection of two-phase tube-side heat transfer model for small-scale LNG spiral wound heat exchanger [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2019
Small-scale devices of liquefied natural gas (LNG) have been widely applied in the natural gas industries, especially for stranded gas production. As the key equipment of LNG plants, the performance of the spiral wound heat exchanger (SWHE) influences ...
Sun Chongzheng   +3 more
doaj   +1 more source

Technical progress of construction and safe operation of underground gas storage under complex geological conditions

open access: yesYou-qi chuyun, 2023
Due to the high dependency of China on imported natural gas, continuously enhancing the gas storage capacity in peak shaving and stable supply is an inevitable choice to assure natural gas security in China.
Qiqi WANYAN   +7 more
doaj   +1 more source

Graphene Oxide: An Effective Promoter for CO2 Hydrate Formation

open access: yesEnergies, 2018
The main difficulties in applying technologies based on hydrate formation are the slow hydrate formation rate, low storage capacity, severe formation conditions and environmentally devastating promoters.
Shuo Yan   +4 more
doaj   +1 more source

Full life cycle data management of oil and gas pipeline and its application in China-Russia Eastern Gas Pipeline

open access: yesYou-qi chuyun, 2020
The full life cycle data management is the foundation of the full life cycle integrity management of oil and gas pipelines. The research and development status of the full life cycle data management technology for oil and gas pipelines were ...
Shaohui JIA   +4 more
doaj   +1 more source

Robot Crawler for Surveying Pipelines and Metal Structures of Complex Spatial Configuration

open access: yesInfrastructures, 2022
There is an obvious tendency towards increasing the information content of surveys of hard-to-reach objects at high altitudes through the use of remote-controlled robot crawlers. This can be explained by the reasonable desire of industrial objects owners
Vladimir Pshenin   +4 more
doaj   +1 more source

Experiment on soluble properties of different types of salt rocks

open access: yesYou-qi chuyun, 2020
Salt strata in China are characterized by multiple interbeds and high impurity content. Due to the different impurity contents and diagenetic conditions of different types of salt rocks in different regions, the soluble properties of the salt rocks vary,
Huayin ZHU, Zhide WU, Min ZHANG, Lei SHI
doaj   +1 more source

Research progress and thinking on corrosion failure of buried oil and gas pipelines

open access: yesYou-qi chuyun, 2022
With the increase of service time, oil and gas pipelines have serious corrosion failure problems. Herein, the corrosion status of buried oil and gas pipelines in China was clarified, the common corrosion failure types of the buried pipelines were ...
Ming WU   +4 more
doaj   +1 more source

Physical simulation experiment on horizontal docking well leaching for salt cavern storage

open access: yesYou-qi chuyun
Objective Horizontal docking well leaching is prevalently applied among salt chemical enterprises for brine extraction. However, controlling the cavern shape becomes challenging when this technique is utilized, primarily due to the absence of dissolution
Jianfu WANG   +5 more
doaj   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Numerical Simulation Study on the Law of Attenuation of Hydrate Particles in a Gas Transmission Pipeline

open access: yesEnergies, 2018
Based on the swirl flow of gas hydrate pipeline safety flow technology, the numerical simulation method is used to study the attenuation law of hydrate particles, which is of great significance for expanding the boundary of safe flow.
Rao Yongchao, Sun Yi, Wang Shuli, Jia Ru
doaj   +1 more source

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