Dry, brittle nails that frequently crack or split have been linked to thyroid disease.

干、脆甲症常表现指甲裂开或劈开，与甲状腺疾病有关。

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The top wall crack phenomenon in brick and concrete structure is analyzed in brief, especially about the stress when the crack is split, and the reason of crack producing is put forward.

对砖混结构顶层墙体裂缝现象作了简要分析，特别分析了裂缝开裂时的受力状况，提出了裂缝产生的原因。

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Based on industrial ct image, crack region is split from the image using crack detection method for the sequent crack measurement and analysis.

基于工业CT图像的裂纹检测，首先要将CT图像中的裂纹区域分割出来，以便下一步对裂纹进行测量和分析。

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The title, Fissure, can refer to a crack in a rock, the split between the two hemispheres of the brain and the separation of two people.

BBC: Theatre director seeks change of scenery

She knew that if she did her life would split open and she would slip through the crack.

NEWYORKER: Temporary