| 词汇 | filter-paper |
| 释义 | filter paper noun uk /ˈfɪl.tə ˌpeɪ.pər/ us /ˈfɪl.t̬ɚ ˌpeɪ.pɚ/ [ U ] thin paper that allows only liquid to flow through滤纸 [ C ]UK a paper cone that allows only water through and is used to make filter coffee（滴滤式咖啡）滤纸 evemilla/E+/GettyImages Straining & filtering devices air filter butter paper charcoal filter coffee filter filter filter bed funnel greaseproof paper HEPA filter hopper parchment paper salad spinner sieve sifter skimmer strainer tea strainer water filter wringer Examples of filter paperfilter paper Each tube contained a strip of filterpaper and a cotton pad soaked in 40% sucrose. In each oviposition chamber, 10 l of the ovary extract (20 ovary equivalents) was placed on a 2.5 cm2 piece of filterpaper. For the searching behaviour data, the time spent on uncontaminated filter papers compared with the time spent on larval-track contaminated filterpaper was non-independent. Thirty replicates were conducted using fresh filterpaper and larvae on each occasion. The 0-, 1-, 2-, and 3-day-old eggs placed on a moist filterpaper in a plastic cup (50 ml). Across these bacterial 'lawns', filterpaper disks, saturated with the agent to be tested, are placed. The stem pieces were placed singly in 500-ml plastic cups lined with moistened filterpaper. The subjects were asked to put the filterpaper in their mouth until it was saturated with saliva. The filterpaper with the seeds was removed and placed on a layer of tissue paper to dry. In brief, retinal tissue was placed on a filterpaper with photoreceptors down. The eyes were covered with moist pieces of filterpaper. To encourage oviposition, filterpaper was placed on top of moistened cotton wool in a tubular support at the base of the cages. By this means it was possible to introduce beneath the filterpaper wide-mouthed bottles containing the various odoriferous substances. The retina was then immediately dislodged from the filterpaper by gentle brushing and mounted into the recording chamber with the ganglion cell layer up. For each replicate, a filterpaper was impregnated with 1 ml of insecticide dissolved in acetone. See all examples of filter paper 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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