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On the basis of the idea of partition of unity, a discontinuous function and the two-dimensional asymptotic crack-tip displacement fields are added to the displacement interpolation formula to account for discontinuity of the contact surface and stress singularity near the contact surface tip respectively. Governing equations are deduced by virtual work principle and the integral of the discontinuous functions are calculated by Gauss integral through sub-elements cut by discontinuous surface.

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The last chapter presents a review on the dissociation technique of mass spectrometry.

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The author systematically studies the distributive Law of front abutment pressure and its main influential factor in Top-coal caving face by analysing theory,experimenting similar model,and observing spot.

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In the doom-laden scenario now presented to you, fail to hire a DUI lawyer and you'll find DUI=RIP.

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Findings in patients with lower positioned spinal cord were as follows: diastematomyelia (n=5), double stem spinal cord (n=6), intradural lipoma (n=10), intradural ep...

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Miss Douce reached high to take a flagon, stretching her satin arm, her bust, that all but burst, so high.

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Hydraulic fracturing is a kind of process engineering that can improve the oil reservoir filtrational property, is an important measure that boosts production of oil field and augments injection of downflow well.

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