探讨了铝合金中含氢量的检测方法和理论基础，并着重叙述了减压凝固试样法的检测步骤。
The article explores the method of inspecting gas content in the aluminum alloy and elaborates the inspection procedure of the sample solidifying under reduced pressure.
考察了稀土对锶变质a356合金冶金质量的影响，以减压凝固试样密度来评定熔体中氢含量水平。
The effect of Rare Earth (re) on the metallurgical quality of A356 alloy which was modified with Strontium (Sr) was investigated in this paper.
液氢有凝固空气的潜力，这会阻塞减压装置和其它的容器开口，可能导致容器破裂。
Liquid hydrogen also has the potential of solidifying air which can block safety relief devices and other openings, which may lead to rupture of the container.
液氦有凝固空气的潜力，这会阻塞减压装置和其它的容器开口，导致可以使容器破裂的压力积累。
Liquid helium has the potential to solidify air, which can block pressure-relief devices and other container openings. This can result in pressure buildup that may rupture the container.
通过迅速减压，电刀凝固，从脑膜垂体干上移开，沿着颅神经分离。
The tumor was removed via rapid decompression, coagulation of the feeder from the meningohypophyseal trunk, and dissection along the cranial nerves.
以a356合金作为实验材料，通过真空减压试验考察超声场对金属气体去除效果的影响，研究超声场对铝合金凝固组织的影响。
The effect of ultrasonic degassing under different time of A356 Aluminum alloy is studied by using vacuum decompress test, and the effect of ultrasonic field on the solidification microstructure.
以a356合金作为实验材料，通过真空减压试验考察超声场对金属气体去除效果的影响，研究超声场对铝合金凝固组织的影响。
The effect of ultrasonic degassing under different time of A356 Aluminum alloy is studied by using vacuum decompress test, and the effect of ultrasonic field on the solidification microstructure.
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