| 词汇 | backwash |
| 释义 | backwash noun uk /ˈbæk.wɒʃ/ us /ˈbæk.wɑːʃ/ backwashnoun (WATER)[ U ] the backward movement of waves, or the backward movement of water caused by something, such as a boat, passing through it: 反流，尾流 The waterskier was caught in the backwash from a motorboat.滑水者遇上了汽艇激起的尾流。 Floods, tides & currents atmospheric river deluge eddy flash flood flood floodplain gyre high tide high water mark inundation low tide overwhelm swash tidal tidally tide table turbulence turbulent waterline whelm backwashnoun (EFFECT)[ S ] an effect that is not the direct result of something: （间接的）后果，余波 The economic and political backwash of the war is still being felt.时至今日人们仍然能感受到战争对经济和政治所造成的影响。 Outcomes and consequences adverse effect adversely affected aftereffect aftermath age corollary end result exercise in something fallout first fruit implication ironic irony put something to bedidiom ramification repercussion resultant resultantly sequel éclat Examples of backwashbackwash Big business was especially multinational in operation; small firms were increasingly backwashed by that activity in local areas. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Once the backwash step is formed, the flow separates a t the lower edge of the step, and another separation vortex is there induced. The results so far described indicate that a step such as shown in figure 1 is formed due to the backwash vortex. Most designs typically employ backwashing once per day of operation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Relaxation and backwashing effectiveness will decrease with operation time as more irreversible fouling accumulates on the membrane surface. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. By contrast with the backwash effects of out-migration, there are also potential positive or ' spread ' effects that need to be taken account of. Reversible fouling can be removed by a strong shear force or backwashing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Slow sand filters and self-cleaning screen filters employ mechanisms other than backwashing to remove trapped particles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The backwash process caused detachment of biofilm from the sulfur media and relocation of the media. The vortex is formed at the edge of the swash zone when backwash turns back into an oncoming wave bore. Rapid sand filters must be cleaned frequently, often several times a day, by backwashing, which involves reversing the direction of the water and adding compressed air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Whereas before backwash the biofilm thickness on the media varied greatly along the height of the reactor, it became more uniform and much thinner after the backwash. To take on a service after the war, when there is a sort of bathos, a sort of backwash, is difficult. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We certainly cannot go back to institutionalised incomes policies, the backwash of which is now presenting such huge problems for public finance. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There had to come a backwash and this is it. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 See all examples of backwash These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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