Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Yajun Lei"'
Publikováno v:
Lithosphere, Vol 2024, Iss 2 (2024)
Composite salt formation is a high-quality caprock for oil and gas resources. The accident encountered in composite salt formation drilling is a big problem to be solved in the drilling process. According to statistics, nearly 50% of drilling acciden
Externí odkaz:
https://doaj.org/article/c268ff56a9584c5389a3ecd84d0a02b3
Publikováno v:
All Days.
Abstract In recent years, shale oil and gas exploitation has attracted much attention, and the problems of borehole shrinkage and casing damage due to creep property of deep shale rock cannot be ignored. Especially, deep shale rock under the conditio
Autor:
Yajun Lei
Publikováno v:
Proceedings of the 2022 International Conference on Economics, Smart Finance and Contemporary Trade (ESFCT 2022) ISBN: 9789464630510
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad85671447058124ded8868d19a9a6d1
https://doi.org/10.2991/978-94-6463-052-7_57
https://doi.org/10.2991/978-94-6463-052-7_57
Publikováno v:
Journal of Molecular Liquids. 319:114125
It has received increasing concern for the recovery of gold from aqueous solution with the ever-increasing production of electronics. Here, a novel metal-organic polymer was designed and prepared for effective and selective adsorption of low amounts
Publikováno v:
International Journal of Applied Ceramic Technology. 12:E49-E53
Four sets of Li2O–ZnO–Al2O3–SiO2 (LZAS) glass–ceramics containing different content of fluorine were fabricated. With CaF2 content increasing, the glass transition temperature (Tg) and crystallization temperature (Tc1, or Tc2) decreased as di
Publikováno v:
Ceramics International. 40:11-16
Nd 3+ - and Yb 3+ -doped glasses and highly crystalline transparent glass-ceramics in the Na 2 O–CaO–SiO 2 (NCS) system have been successfully prepared. Compared with Nd 3+ -doped NCS glass, the Yb 3+ -doped NCS glass has a stronger crystallizati
Publikováno v:
Materials Focus. 2:125-130
Publikováno v:
Journal of Non-Crystalline Solids. 362:207-215
Y–Si–Al–O–N–F oxynitride glasses were prepared by melting batches at 1500–1700 °C for 2 h under N2 atmosphere in a Si–Mo-heated resistance furnace. The appropriate heat treatment temperatures were selected according to the information