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Chen, Jie
- Laboratory Similarity Test Relevant to Salt Cavern Construction in Interlayer-Containing Moulded Saliferous Aggregates Specimen
Abstract Views :258 |
PDF Views:126
Authors
Affiliations
1 State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, 400030, CN
2 College of Energy Resource, Xian University of Science and Technology, Xian, 710054, CN
3 State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, CN
1 State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, 400030, CN
2 College of Energy Resource, Xian University of Science and Technology, Xian, 710054, CN
3 State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, CN
Source
Current Science, Vol 111, No 1 (2016), Pagination: 157-167Abstract
Based on dimensional analysis, a similarity test relevant to salt cavern construction in interlayer-containing moulded saliferous aggregates was conducted. This moulded saliferous aggregates specimen can replace the drilling salt core for solution mining test. Experiments on the salt cavern construction adopting conventional single-well solution mining technology were performed in moulded saliferous aggregates specimen with two occurrence states: single-interlayer and double- interlayer. In the experiments, a method for determining the oil-water interface and cavern shape based on the conductive characteristics of saturated brine has been proposed. The experimental results illustrate that when the location of oil blanket is in the vicinity of the interlayer, the construction rate or leaching rate decreases because the interlayer reduces the effective dissolution area, and hinders the convection and diffusion of brine. Based on the adoptive dimensional analysis, the relationship between indoor model experiment and real-field salt cavern construction has been developed. Combining the results of indoor model experiments and numerical predictions using the simulation software SCB1.0, the capability of the new method to conduct solution mining process has been validated and could guide the field salt cavern construction.Keywords
Dimensional Analysis, Saliferous Aggregates, Salt Cavern, Similarity Test.Full Text
- Bacterial and fungal diversity in the rhizosphere of buckwheat under different mulching techniques
Abstract Views :121 |
PDF Views:68
Authors
Affiliations
1 Shanxi Normal University, Taiyuan, Shanxi, China, 030006, CN
2 Shanxi Agricultural University, Taigu, Shanxi, China, 030801, CN
1 Shanxi Normal University, Taiyuan, Shanxi, China, 030006, CN
2 Shanxi Agricultural University, Taigu, Shanxi, China, 030801, CN
Source
Current Science, Vol 123, No 11 (2022), Pagination: 1365-1371Abstract
The present research aimed to assess the effects of plastic film mulch on microbial diversity and community in the Tartary buckwheat rhizosphere. Treatments included regular cultivation, polyethylene film mulch on the whole ground and furrow-ridge plastic film mulch (FR). We found that FR prominently reduced the relative abundance (RA) of the members of phylum Mortierellomycota while increasing the RA of the members of phylum Ascomycota, especially Fusarium and Dokmaia. FR also reduced the predicted sequences related to mannan degradation and the biosynthesis of phospholipases, phosphatidylglycerol and ubiquinol. This study suggests that it is necessary to evaluate the effect of mulch techniques on pathogenic and mycotoxin-producing species before application.Keywords
Buckwheat, microbial diversity, mulching, relative abundance, rhizosphere.Full Text
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