| 词汇 | suction |
| 释义 | suction noun[ U ] uk /ˈsʌk.ʃən/ us /ˈsʌk.ʃən/ the act of removing air from a space resulting in a lower pressure in that space, either causing liquid, gases, or other substances to enter, or causing two surfaces to stick together: 吸，抽吸 a suction pump抽吸泵 Physical & chemical processes absorbable absorptive absorptive capacity absorptivity acidification aerate endothermic reaction excitability excitation excite exergonic exothermic impregnate re-emit reabsorb react reboil recondense scald vaporize suction | American Dictionarysuction noun[ U ] us/ˈsʌk·ʃən/ the process of reducing air pressure by removing air or liquid from an enclosed space, or the force created by this reduction that causes two surfaces to stick together: Cylinder vacuum cleaners work entirely by suction. Examples of suctionsuction Because the suctions are large, the compressive stresses in the membrane are considerable. A similar suction force is exerted on a flat plate in aerodynamic theory. When dispensing the adhesive, the distance between the needle tips and the solar cells gripped by the suction cups must be adjustable. In addition to satisfying aerodynamic constraints, realization of surface suction is determined by manufacturing capabilities, by structural criteria and by operational considerations. As was to be expected, suction stabilizes the flow; that is, it reduces the magnitude of the radial and angular velocity components. The molecule is tethered between two beads one held in the dual trap and the other a top a micropipette held by suction. With one stroke the iconoclast is now able to start the most powerful suction and force pump ever devised. Because of its simple structure, high moving speed and convenient control, wall-climbing robots with a single suction cup have been widely used. This discovery reveals that suction-induced transition is precipitated through instabilities of the streamwise vortices. Consequently, this computational work does not attempt to model transition induced by discrete suction. Results from the application of this computational method to real-scale suction surfaces under flight conditions are also presented. The red blood cell is held by suction at the end of the glass micropipette. These conditions are similar in the area of rotary operation and suction operation. A suction trap catch is thought to be a good representation of the total aphid pool. This can be carried out at a continental scale using suction traps which still provide the most accurate estimates for predicting aphid spray thresholds. 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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