Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Xiaodong Dong"'
Publikováno v:
Petroleum Exploration and Development, Vol 50, Iss 5, Pp 1215-1224 (2023)
Three high-temperature resistant polymeric additives for water-based drilling fluids are designed and developed: weakly cross-linked zwitterionic polymer fluid loss reducer (WCZ), flexible polymer microsphere nano-plugging agent (FPM) and comb-struct
Externí odkaz:
https://doaj.org/article/f80d62d4b2d247b3b8fa688dd777570e
Autor:
Xiaodong Dong, Chuanhui Zhu
Publikováno v:
Energies, Vol 17, Iss 16, p 4150 (2024)
Thermal storage technology has received increasing attention under the policy of encouraging the development of renewable energy and new clean energy. Optimizing the heat exchange system of phase change thermal storage heat exchangers to obtain bette
Externí odkaz:
https://doaj.org/article/7a11ba4304f749faa4033d50ab6ef466
Autor:
Yunxin Zhang, Xiaodong Dong, Linxia Wu, Xiaoyu Wang, Ming Ma, Xianjin Huang, Yong Jin, Pengze Zhu
Publikováno v:
Micromachines, Vol 15, Iss 6, p 738 (2024)
Under certain circumstances, a high-speed railway may require constant acceleration or emergency braking, in which case the inverter may experience short-term overload conditions and the current passing through the IGBT will go beyond the rated desig
Externí odkaz:
https://doaj.org/article/cfde4f1a907b485099ceb54469267ed2
Autor:
Zhiwen Dai, Jinsheng Sun, Zhuoyang Xiu, Xianbin Huang, Kaihe Lv, Jingping Liu, Yuanwei Sun, Xiaodong Dong
Publikováno v:
Gels, Vol 10, Iss 2, p 96 (2024)
An inhibitor that can effectively inhibit shale hydration is necessary for the safe and efficient development of shale gas. In this study, a novel ionic liquid copolymer shale inhibitor (PIL) was prepared by polymerizing the ionic liquid monomers 1-v
Externí odkaz:
https://doaj.org/article/481287a72d8b41a3b6c8be78cfcf8553
Publikováno v:
BMJ Open Ophthalmology, Vol 8, Iss 1 (2023)
Objective To examine the self-reported prevalence of 13 chronic conditions and poor health among Chinese adults aged 45 years and older with and without self-reported vision impairment.Design Cross-sectional study from the China Health and Retirement
Externí odkaz:
https://doaj.org/article/3db4a8a737f6446a87b451933775a203
Publikováno v:
Dianxin kexue, Vol 38, Pp 38-44 (2022)
In the current process of large-scale development of 5G customized networks, telecom operators are facing with difficulties such as difficulty in real-time response to customized needs of industrial customers and difficulty in quickly replicating ben
Externí odkaz:
https://doaj.org/article/09e1889fa56a4073a8b52a520aac74f1
Publikováno v:
Royal Society Open Science, Vol 9, Iss 10 (2022)
In drilling deep complex formations, most drilling fluid additives have insufficient temperature and salt tolerance, resulting in the decline of drilling fluid performance. This study used 2-acrylamide-2-methylpropane sulfonic acid, acrylamide, dimet
Externí odkaz:
https://doaj.org/article/a9fb8933ec724642b626634ceb373b64
Publikováno v:
Gels, Vol 8, Iss 10, p 619 (2022)
During the exploitation of deep and ultradeep oil and gas resources, the high-temperature problem of deep reservoirs has become a major challenge for water-based drilling fluids. In this study, a novel high-temperature-resistant filtrate reducer (LDM
Externí odkaz:
https://doaj.org/article/a5bc4f327c9b433e8900d675da23da1a
Publikováno v:
Energies, Vol 15, Iss 15, p 5679 (2022)
With the continuous development and utilization of clean energy, the thermal utilization of solar energy is an important research direction. In view of the problems of the low utilization rate of solar heat in alpine regions of solar energy, an air-t
Externí odkaz:
https://doaj.org/article/dc1e4f22a40544d0b98d097cd6776b28
Publikováno v:
Frontiers in Chemistry, Vol 8 (2020)
Nanoscale plugging agent is essential to wellbore stability of troublesome shale formation in the drilling of oil and gas wells. In this paper, polymeric nanospheres (PNS) with a double cross-linked structure were synthesized using monomers of styren
Externí odkaz:
https://doaj.org/article/894e55f6501f4900919ccd00cda49ba8