Percent shear fracture appearance is an important factor to evaluate neutron irradiation embrittlement of nuclear pressure vessel steel.

在核压力容器钢的中子辐照脆化评价中，断口剪切面积百分比是一个重要的参数。

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AE characteristics of pressure vessel steel and AE testing of pressure vessel are reviewed. The progress of AE instruments, pressure vessel AE testing standards and application are analyzed.

给出了压力容器用钢的声发射特性和压力容器声发射检测方法，综合分析了国内外压力容器声发射检测的标准、仪器和应用进展。

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The reactor core which includes these rods, and the water it sits in, are contained within a thick steel pressure vessel.

这些燃料棒就是反应堆的核心，它位于水中，并包裹在厚厚的钢制压力容器中。

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The drywell is a large steel pressure vessel that looks like a giant upside-down pear and holds the reactor and primary pumps, and the wetwell is a large toroidal vessel that looks like a donut.

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The central element will be a naphtha cracker, a stainless steel vessel that under intense heat and pressure breaks long hydrocarbons into plastics precursors.

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