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The calculation method for bolt pretightening force of tube side gasket and shell side gasket was proposed.

提出了管侧垫片和壳侧垫片螺栓预紧力的计算方法。

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When they are found, doctors pass a tube with a balloon into the narrowed area and inflate the balloon to compress plaque deposits against the side of the artery.

当它们被发现后，医生通过一个软管把一个小气球进入狭小的区域并且膨胀这个气球去压缩动脉边沉淀下来的血小板。

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He showed that just as the bad amyloid-42 sped the formation of amyloid clusters, so a small number of pathological prions could convert good prions to the dark side, at least in test-tube experiments.

FORBES: Health