| 词汇 | acetic-acid |
| 释义 | acetic acid noun[ U ] uk /əˌsiː.tɪk ˈæs.ɪd/ us /əˌsiː.t̬ɪk ˈæs.ɪd/ a clear acid with a strong smell, found in vinegar乙酸，醋酸 Chemicals, chemical compounds & gases acetone acrolein acrylamide activated charcoal adenine agglomerate cyanide ethyl alcohol glyphosate H2O HCFC HFC hyaluronic acid hydrochloric acid laughing gas limescale meths oxyacetylene prussic acid tartaric acid Examples of acetic acidacetic acid The reaction was stopped with 10% aceticacid and washed with water. In the present study, however, the red/green fluorescence ratio significantly increased in zona-penetrated spermatozoa compared with zona-binding ones, following treatment with aceticacid. This method uses a mixture of anhydrous aceticacid and sulphuric acid, which is heated to prepare pollen for examination under a light microscope. Trematodes were fixed in glacial aceticacid and pressed between two slides, and preserved in 70% ethyl alcohol. When half of the thiocyanate solution was added, 25 ml of glacial aceticacid was dropped and the solution was stirred for two more hours. The harvested eyes were placed in cold aceticacid/methanol solution overnight followed by paraffin embedding using standard procedures. A very small volume of fixative (methanol 3 : aceticacid 1) was poured into the hypotonic solution. A freshly prepared mixture of 3 volumes methanol: 1 volume aceticacid was slowly run onto the pellet and poured off; this was repeated twice. If cytoplasm remained, it was removed by spreading one drop of another fixative, a mixture of methanol and aceticacid (3:1). The reaction was stopped in 10% aceticacid. Final preparation was carried out with a needle and diluted aceticacid. Heptane-containing solutions with identical concentrations to those of the aceticacid and sodium hydroxide treatments were utilized with the same protocol as above. The repeated immersion technique was used (as in the bleach treatments described previously) with various total duration times of heptane and aceticacid. The stain was then differentiated with aceticacid and 70% ethanol to ensure staining of only the ganglion cell layer. Twenty-four hours after insemination, the oocytes were fixed in methanol/aceticacid (3 : 1, v/v) at room temperature and stained with 1% aceto-orcein. See all examples of acetic acid 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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