| 词汇 | example_english_filter-paper |
| 释义 | Examples of filter paperThese 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. 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. This study demonstrates the usefulness of filterpaper blood samples for seroepidemiological studies in developing countries. The cups were kept in a plastic tray lined with moistened filterpaper to maintain humidity. The cage bottoms are lined with layers of filterpaper, and females deposit eggs in masses between the layers. The filterpaper in the dish which had held no larvae was also labelled with a 'zero'. At no time did parasitoids physically touch the central filterpaper discs that had received no treatment or treatment with hexane alone. Primed seeds were subsequently rinsed with distilled water and then dried at room temperature for 3 days on filterpaper. Only 11 participants (1 %) had fingersticks for testing on filterpaper. The latter was used to assess any proximal positioning of each parasitoid in relation to the filterpaper disc. After temperatures had equilibrated, the seeds were placed on the filterpaper in each cell. Each cut end was covered with a small piece of filterpaper moistened with the benzimidazole solution. Siderophoretreated filterpaper disks showed negligible feeding, whereas untreated disks were almost completely consumed over a 3-day test period. The white surface provided a high-contrast background that was expected to stimulate rapid movement of larvae off the filterpaper circle. The present study demonstrates that blood samples collected on filterpaper can effectively be used to monitor trends in specific antibody levels for seroepidemiological purposes. After drying and re-weighing each filterpaper, the exact concentration of plant constituents in each assessed solution was calculated. The floor of the chamber was covered with a moistened filterpaper. After 40 min maintenance on barely-moist filterpaper immediately following dehydration. The filterpaper was supplied with the water from a wick. The retina was detached from the pigment epithelium and placed on filterpaper with the receptor side up. A small piece of retina was placed ganglion cell layer up in the recording chamber and stabilized with an overlying piece of filterpaper. The capsules were then covered with wet filterpaper. The discs containing the seeds were then placed on a nonsterile filterpaper to remove excess moisture before transfer to germination tests. Prior to laboratory or glasshouse experiments, seeds were scarified and germinated in the dark on moist filterpaper for two days at room temperature. The control stimulus was a similar pipette containing a filterpaper impregnated with a 10-ml aliquot of hexane. Seeds were blotted dry between sheets of filterpaper and reweighed. A wet filterpaper was placed in each dish to keep the humidity high. However, a small but statistically significant overestimation of optical density indices from filterpaper samples was identified when compared to results based on serum samples. Cages contained a single female weevil, moistened filterpaper and either a 3-cm length of stem or 6-cm for stems f5 mm diam. In that study all slugs were easily accessible to the beetles, on filterpaper substrates, regardless of size. All filterpaper samples were tested in duplicate. The suspension was again centrifuged, the supernatant liquid filtered and the tube, funnel and filterpaper washed into the 250 ml measuring cylinder. Fieldwork logistics to conduct serology studies is simplified when eluates from whole blood dried on filterpaper can be used. The membrane was then stored dry between two pieces of filterpaper in a plastic bag at room temperature. After the ageing treatment, seeds were dried for 3 d on filterpaper at room temperature. After 1 month the filterpaper was replaced every month and no merthiolate was added. All other water-based stains were classified as not suitable, due to the poor contrast of the stained radicles and the filterpaper background. A 2-mm hole in the filterpaper provided access for the recording electrode. Fresh weight was measured in samples of 200 seeds, removed from the fruits and blotted on filterpaper. They showed that coalescence of oil bodies in cotyledons of recalcitrant cocoa seeds occurred during reimbibition on damp filterpaper, rather than drying. The tubes and residue on the filterpaper were rinsed twice with 5 ml deionized water and the rinsings added to the extract. Distilled water was added when necessary to keep the filterpaper wet. Eggs on each filterpaper were then counted and recorded in the same way as before. A cone of damp white filterpaper was provided for oviposition. The control was a filterpaper treated with hexane ('drip single hexane'). Egg masses produced by the moths were collected from the plants and transferred to 20 2.5 cm glass tubes containing pieces of moist filterpaper. Petri-dishes were inverted so that any honeydew produced by the nymphs fell onto the filterpaper. Three blood spots were placed on specially marked blotting/filterpaper. A definite number of ticks were placed on a level sheet of filterpaper which was supported about three inches above the bench. In the laboratory it was found necessary to place pieces of moist filterpaper into the tubes in which they were kept. Therefore, the supernatant of the reconstituted filterpaper blood sample was treated as an approximate 1 :100 serum dilution. For this method a pre-weighed filterpaper disk is placed on the cut surface of the loin for 10 s and then re-weighed. Before use, the seeds were washed thoroughly with deionized water and dried between layers of filterpaper. Following enucleation of one eye, the retina was separated from the pigment epithelium and placed onto a filterpaper photoreceptor side up. The seeds were placed on moist filterpaper in petridishes under natural light and at room temperature. Larval bowls were the same as the egg bowls, but without filterpaper. Distilled water was added to the larger dish until the edges of the filterpaper became immersed in the water. The solution was then filtered and the insoluble residue left on the filterpaper was weighed and subtracted from the original sample weight. The filterpaper was moistened with 5 ml of distilled water, and seeds were then carefully spread on the filterpaper. Distilled water was added as needed to keep the filterpaper moist. The inside of both the tube and the funnel and the filterpaper were washed with about 130 ml of water into a 250 ml measuring cylinder. Seeds excised from drupes that had been on wet filterpaper for 162 weeks were cut open so the relative softness of the endosperm could be evaluated. 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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