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The distribution of in-situ stress has significant influence on fracture propagation direction so as to affect the selection of the fluid backflow technology. The influences on the longitudinal cracks in fracture propagation direction, caused by vertical stress distribution of the interlayer-oil layer, was firstly analyzed. Then, the settling rule of proppant within the fractures during the flowing...
Phage ΦC31 integrase is a potential vector for the insertion of therapeutic genes into specific sites in the human genome. To understand the mechanism involved in ΦC31 integrase-mediated recombination, it is important to understand the interaction between the integrase and cellular proteins. Using a yeast two-hybrid system with pLexA-ΦC31 integrase as bait, we screened a pB42AD human fetal brain cDNA...
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