Arterial hypertension in the brain than ordinary thin or thick wall, but a sudden cold weather make the blood vessels, increase blood pressure, which tends to lead to vascular rupture, blocking.
高血压患者的脑内动脉血管壁比常人的薄或者厚,而天气突然变冷会使血管收缩,增高血压,从而容易导致血管破裂、阻塞。
The test pressure coefficient and safety factor are searched for thin-wall vessels with minimum virgin reliability of burst strength in different working conditions.
基于随机-模糊概率模型,定量分析了钢制薄壁圆筒临界失稳强度的模糊可靠度、稳定系数与外压试验压力系数之间的关系。
The test pressure coefficient and safety factor are searched for thin-wall vessels with minimum virgin reliability of burst strength in different working conditions.
基于随机-模糊概率模型,定量分析了钢制薄壁圆筒临界失稳强度的模糊可靠度、稳定系数与外压试验压力系数之间的关系。
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