目的:对自蔓延高漫合成钛镍形状记忆合金进行毒理学研究。
Purpose. Study the toxicology of the porosint of self-propagating high-temperature synthesis NiTi shape memory alloy (SHS NiTi SMA).
来自利兹大学的科学家第一次利用机器人潜水艇去研究在海床下发现的深槽水道,结果他们发现了一条高含盐水河流流淌在这条黑海海底的深槽水道中,并制造出和陆地上的河流非常相似的河岸和漫滩。
They found a river of highly salty water flowing along the deep channel at the bottom of the Black Sea, creating river banks and flood plains much like a river found on land.
这个季节的水位本应漫过大坝高183米、长2.25千米的蓄水坝,但自上月下旬以来,却一直稳定在170米上下的水平。
In a season when water levels should be rising behind the dam's 183-meter-high and 2.25-kilometer-long concrete retaining wall, they have held mostly steady around 170 meters since late last month.
来自利兹大学的科学家第一次利用机器人潜水艇去研究在海床下发现的深槽水道,结果他们发现了一条高含盐水河流流淌在这条黑海海底的深槽水道中,并制造出和陆地上的河流非常相似的河岸和漫滩。
The scientists, based at the University of Leeds, used a robotic submarine to study for the first time a deep channel that had been found on the sea bed.
但如果发生高含沙漫滩洪水,滩地淤积,漫滩洪水水位反而有所抬高,大洪水威胁依然存在。
However, the flood stage will be raised during over-bank flood because of the sedimentation on floodplain resulting in increase of flood threat.
但如果发生高含沙漫滩洪水,滩地淤积,漫滩洪水水位反而有所抬高,大洪水威胁依然存在。
However, the flood stage will be raised during over-bank flood because of the sedimentation on floodplain resulting in increase of flood threat.
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