Xiao-tao Zhang

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Based on preliminary investigation of microbial populations in a high pour-point oil reservoir, an indigenous microbial enhanced oil recovery (MEOR) field trial was carried out. The purpose of the study is to reveal the impact of the indigenous MEOR process on microbial community structure in the oil reservoir using 16Sr DNA clone library technique. The(More)
Water-flooded oil reservoirs have specific ecological environments due to continual water injection and oil production and water recycling. Using 16S rRNA gene clone library analysis, the microbial communities present in injected waters and produced waters from four typical water-flooded oil reservoirs with different in situ temperatures of 25 °C, 40 °C, 55(More)
Subgroup J avian leukosis virus (ALV-J), first isolated in 1989, mainly induces tumours of myeloid leukosis (ML) in meat-type chickens. In 2006, ALV-J strain SCAU-HN06 was isolated from commercial layer hens with spontaneous haemangiomas in China. To confirm its role in the induction of haemangioma, we constructed a full-length copy of the proviral genome(More)
Gastric carcinoma (GC) is a leading cause of cancer-related death in China. Dysregulation of microRNAs (miRNAs) has been shown to contribute to the development of GC, whereas the role of miR-133 in GC is unknown. Here, we analyzed the levels of miR-133 in GC tissues by reverse and quantitative transcription polymerase chain reaction (RT-qPCR). We(More)
Draping and buckling of woven fabric and knitted fabric are simulated with finite element method under gravity load, and the difference between them is analyzed. In the process of simulation, micro-mechanical models of woven fabric and knitted fabric that characterize the special properties of fabric due to their structures are used. The fabric sheet is(More)
  • Pallavi Sunila Godara, Xiaozhe Wang, +22 authors Chunyi Shiquot
  • 2012
In clustering, objects are clustered or grouped based on the principle of maximizing the intra-class similarity and minimizing the inter-class similarity. This paper proposes use of BIRCH hierarchical clustering method on large amount of numerical data by integration of hierarchical clustering and other clustering methods such as iterative partitioning(More)
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