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单词 cavitation
释义

cavitation /ˌkævɪ'teɪʃ(ə)n//ˌkævə'teʃən/

英汉-汉英词典
n. 空洞形成;气穴现象
动 词: cavitate
词组 | 习惯用语
cavitation erosion 空蚀;气蚀;空隙腐蚀
cavitation damage 空泡腐蚀;气蚀损伤;涡蚀损伤;穴蚀损坏
ultrasonic cavitation 超声空化;超音波诱导空化
cavitation effect 空化效应;气蚀效应
cavitation test 空泡试验;空隙现象试验;空腔试验
cavitation number 空化数;气蚀数;空泡数
英语例句库
  1. Results The acute period of experimental VM,plasmosome obscure, mitochondrial crista partly cavitation and disappear, z-line obscure, and myolysis were observed by elecuotelescope.
    病理切片见心肌细胞气球样变性,局灶性坏死,散在或局部淋巴细胞浸润;

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原声例句
Scishow 精选系列

Cavitation bubbles aren't like the regular bubbles you're used to.

空化气泡与你常见的常规气泡不同。

Scishow 精选系列

Cavitation creates bubbles because the very low pressure essentially tears a gap in the water.

空化会产生气泡,因为非常低的压力会撕裂水中的缝隙。

休伯曼实验室

There's so much that you can do looking at cavitation.

对于空化现象,您可以做很多事情。

Scishow 精选系列

When scientists tried making cavitation bubbles in water that had extra argon dissolved inside, the light became longer and brighter.

当科学家们试图在溶解了额外氩气的水中制造空化气泡时,光变得更长更亮。

Osmosis-消化

An advanced caries lesion can progress to a point where the tooth surface forms a cavitation or a hole, which is the physical evidence of tooth breakdown.

龋洞进一步发展会导致牙齿表面形成洞穴,是牙齿损坏的实证。

21世纪英文报

One theory is that they could be made during cavitation, which is a process of an air bubble in the plant collapsing under some kind of pressure.

有一种理论认为,声音可能是因发生气穴现象而产生,该现象指植物中的气泡在某种压力下破裂的过程。

Scishow 精选系列

When sound moves through water, the water can get pulled apart enough that the areas of low pressure create a small bubble of water vapor in a process called cavitation.

当声音在水中传播时,水会被拉开到足以使低压区域在称为空化的过程中产生小水蒸气气泡。

中文百科

空穴现象

流体动力学水洞实验中空蚀的螺旋桨模型。
轴向柱塞泵液压泵的阀板上空蚀现象造成的破坏。
这个影片可以看出齿轮泵上的空蚀现象情形。

空蚀现象(Cavitation),又译气穴现象气蚀现象空洞现象,指的是在流动的液体中气相的空穴 – 亦即极小的无液体空间(“气泡”或“空隙”) – 产生与消灭的一种物理现象,是力作用在液体的结果。液体受到压力的快速改变时会产生空穴,此时的压力通常相当低,除了液体本身的蒸汽压,可以说是真空。当环境的压力变高,空穴分裂,产生强力的冲击波。

空穴效应是在工程环境中造成磨损的主要原因之一:在金属表面旁瓦解的空穴反复消灭,造成循环应力,将造成金属的表面疲劳。最常见的例子是泵的叶轮和弯曲处,此处最容易有液体瞬间的方向改变发生。空蚀现象通常分为两种:惯性(或瞬态)空蚀和非惯性空蚀。

英语百科

Cavitation 空穴现象

Cavitating propeller model in a water tunnel experiment.
Cavitation damage on a valve plate for an axial piston hydraulic pump.
This video shows cavitation in a gear pump.

Cavitation is the formation of vapour cavities in a liquid – i.e. small liquid-free zones ("bubbles" or "voids") – that are the consequence of forces acting upon the liquid. It usually occurs when a liquid is subjected to rapid changes of pressure that cause the formation of cavities where the pressure is relatively low. When subjected to higher pressure, the voids implode and can generate an intense shock wave.

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更新时间:2025/6/17 21:02:43