MATHEMATICAL MODEL OF THE STRESS-STRAIN STATE OF A BEAM WITH A VARIABLE SECTION WITH AN EFFECT OF "BOUNDARY LAYER"

The essence of this mathematical model consist in construction of the basic stress-strain state which is based on a new hypothesis of a vertical element and an additional stress-strain state of the regional flat deformation arising of close rigidly jammed edge.It gives the chance more exactly to estimate the strength of aircraft structures near to

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The effect of intrauterine insemination preceding frozen-thawed elective single embryo transfer in couples with unexplained subfertility

Introduction This prospective randomized controlled trial aimed to evaluate the effect of intrauterine insemination (IUI) before frozen-thawed elective single embryo transfer (FT-eSET).Material and methods A total of 200 couples with unexplained subfertility underwent in-vitro fertilization (IVF) treatment.Patients were randomly assigned to either

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