Consider that the main reason for the cracks is the stress concentration near the forging surface and edges and the subsidiary stress which made the serious burning metal surface crack .

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The effect of the subsidiary stress on surrounding structure and stratum is discussed .

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It is shown that the rule of subsidiary stress dispersion of bucket edge soil has directivity ;

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Date collection : Collecting ancient TCM literatures with some modern literatures as the subsidiary and putting stress on combination and mutual attestation .

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According to the way that the anchoring load diffuses and delivers the equations to the subsidiary stress generated by anchoring effect were deduced and the ultimate shearing strength to sliding plane was determined .

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Subsidiary stress causing by temperate construction load and stiffness differences is bigger than lastly load which leads to disease with lower fill .

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After necropsy the left 9 th ribs were excised for evaluation . Mineralization intensity is positive correlation to the developed degree of subsidiary fracture and joint and deformation intensity negative correlation to the stress .

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