Since the beginning of the recent eruption, a dense plume of water vapor, gas, and ash has concealed the summit of the Nabro volcano.
自火山喷发以来，纳布诺火山的山顶一直被大量的水蒸气，气体及火山灰所遮盖。
2
Influence of wall boundary condition on plume impingement effects is finally studied by applying various gas - (surface) interaction modeling.
通过选择不同的气体分子与壁面相互作用模型研究了壁面边界条件对羽流撞击效应的影响。
3
And the ejection into ambient gas of one thousandth atmosphere or so is special, the 'snowplow' phenomenon is observed and the plume plasma splits into fast_ and slow_moving parts.