水槽中不可有上升的气泡。
较大的气泡迅速上升到水面并消失,而被称为微气泡的较小的气泡可以持续数天。
Larger ones rise quickly to the surface and disappear, whilst smaller ones called micro-bubbles can last for days.
被冰川锁住的空气气泡可以证明温室气体排放水平的上升,这已被作为“人类时代”开始的证据。
The rise in the level of greenhouse gases, which can be demonstrated on the basis of air bubbles trapped in glaciers, has been proposed as evidence of the beginning of the "age of man."
在安全壳内,放射性蒸汽将会持续形成气泡并上升到水面顶部,但是放压工作却更困难了,因为系统在正常方式下的放压操作现在却要在水下进行。
Radioactive steam will still bubble up to the top of the water in the containment vessel, but will be harder to vent as the systems for doing so in an orderly manner are now underwater.
重力保证这种液体会呆在你的胃里,并允许二氧化碳气泡膨胀上升到这些液体的顶部。
Gravity ensures the fluid stays in your stomach, allowing the carbon dioxide bubbles to expand and rise to the top of the fluid.
如果比标准空压机油中气泡上升速度快,说明这种油的粘度偏低。
If air pressure than the standard oil bubble rising fast, explain this oil viscosity is low.
因为在放电过程中的化学反响,可以使电解液向轻贱,也可以使气泡沿槽的上升,可以使德国阳光蓄电池掉落沿槽下沉。
Because in the discharge process of chemical reaction, can make the electrolyte to the vain, also can make bubbles rising along the trough, can make Germany sunshine battery drop down the sink.
氧形式的气泡,上升,通过水加入氢气。
The oxygen forms bubbles and rises through the water to join the hydrogen.
该文从传质推动力角度出发建立了高温气泡在水中上升过程的传热传质模型,计算结果与文献报道的实验数据、模拟结果基本吻合。
The mass transfer force concept was used to develop a model for the heat and mass transfer from a single superheated bubble rising in the water pool.
提出了液体流动为层流和紊流时气泡上升速度的表达式,研究结果与实验数据进行比较,符合较好。
Approximate expressions for the Taylor bubble velocity are proposed, and shown to be in good agreement with the experimental data.
曝气在活性污泥处理方法中起着重要作用,而水中气泡上升速度对曝气作用的影响又至关重要。
Aeration plays an important role in the treatment of activated sludge, nevertheless, the velocity of bubble rising in water is of critically effects upon the aeration.
本文介绍了流化床中床料空隙率,气泡尺寸,气泡上升速度沿床高变化的试验结果,提出了相应的无因次关联式。
This paper reports some experimental results on variation of voidage in bed materials, bubble size and bubble rising velocity etc along the height of the bed.
越靠近自由表面,底部射流横向发展越窄,而向上的压力梯度,气泡上升速度,底部射流上升高度越大,反之则反;
The more the bubble close to the free surface, the narrower the bottom jet develops crosswise, and the larger the pressure gradient, the rising velocity and the height of the bottom jet is upwards.
分析预测了静止流场中单个气泡的变形、上升规律和静止液体中两个气泡的合并。
Based on the numerical computations, the deformation and moving behavior of a single bubble and the coalescence of two bubbles in a still flow field are analyzed and predicted.
液体的速率对墙体具有相称性,如图1中,当气泡呈离散式分布时为流体速度0.3米/秒,相应的气泡上升速率为0.7米/秒。
The liquid velocity is symmetric towards the wall. Values in (1) are 0.3 m/s for the discrete bubble pattern (where bubble rising velocities are 0.7 m/s).
该模型能够较好地符合上升初始段及中间段的气泡上升速度。
The mathematical model for bubble rising velocity in the initial and middle regions is in good agreement with experimental data.
为了推断中子慢化剂液氢中气化氢气泡的上升速度及影响因素,选取合适的工质进行了含气率的模拟实验。
To predict the rising velocity of hydrogen gas and the influencing factors, a suitable working fluid was determined for experimental simulation on the vold fraction of hydrogen in a neutron moderator.
此时颗粒具有与流体一样的性质,可以流动,允许气泡形成并在床内上升。
At this point the particles behave like a fluid, flowing and allowing bubbles to form and rise through the bed.
气泡在熔体中的上升速度很小,可以忽略。
It can be neglected that rise velocity of gas bubble is very small in melt.
考察了表观气速、固含率和流动阻力对气含率、气泡大小、气泡上升速度和液速的影响。
The influences of the superficial gas velocity, solid holdup and flowing resistance on gas holdup, bubble size, bubble rise velocity and liquid velocity were systematically studied.
针对应用于底水油藏开发的水平井综合含水率上升速度较快的问题,采用氮气泡沫技术进行治理。
The nitrogen foam technology was used to treat high water-cut of the horizontal wells in bottom water reservoir.
鱼—3d对象的行为“活”,气泡上升的声音,进一步加强了这种印象。
Fish - 3d-objects behave "as live" and the sounds of air bubbles rising further reinforce this impression.
以气泡在上升运动过程中的受力分析为基础,建立了描述单个变形气泡在液-固流化床中上升速度的理论模型。
A model for the rise velocity of a single deformed bubble in liquid solid fluidized beds was formulated, based on the analysis of the forces acting on a bubble.
为上升气泡沫的逃亡·模型在冲销-磁束的模型一部份的免费表面已经被改良为他们的逃亡包括比率。
The model for the escape of rising gas bubbles at free surfaces, which is a part of the drift-flux model, has been improved to include a rate for their escape.
白天,太阳将地表加热,空气团上升到天空中,如同一锅沸水锅底的气泡。
During the daytime, the sun heats the surface and bubbles of air form and rise into the sky, like the bubbles on the bottom of a pan of boiling water.
本文就是对气固流化床中的单个上升气泡与密相的传质问题进行了实验研究和理论分析。
The installation of experiment is founded based on two-dimensional beds model and three-dimensional beds model in the test.
本文就是对气固流化床中的单个上升气泡与密相的传质问题进行了实验研究和理论分析。
The installation of experiment is founded based on two-dimensional beds model and three-dimensional beds model in the test.
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