| 单词 | formaldehyde |
| 释义 | formaldehyde noun[U] uk/fɔːˈmæl.də.haɪd/us/fɔːrˈmæl.də.haɪd/achemical(formulaCH2O), used inindustryand forpreservingdeadbodiesandbodyparts: 甲醛Wedissectedfishthat had beenpreservedin formaldehyde.我们解剖了保存在甲醛中的鱼。 Chemicals, chemical compounds & gases
Examplesofformaldehydeformaldehyde Small pieces of tissue were fixed with 3.7%formaldehydeand then embedded in paraffin wax. From theCambridge English Corpus Collectors were provided with hermetic tanks to store samples in 10%formaldehyde. From theCambridge English Corpus About 10 g of faecal samples collected from each dog was mixed thoroughly with 10% aqueousformaldehydefor preservation. From theCambridge English Corpus All fruit and seeds available on the ground were censused along the trail and samples were fixed in 5%formaldehyde. From theCambridge English Corpus The entire alimentary canal was removed and placed in vials containing 10%formaldehyde, and liver, lungs and body cavity carefully inspected for helminths. From theCambridge English Corpus Fish were measured (total length) and dissected immediately after capture, and the alimentary tract was removed quickly, fixed and stored in 4%formaldehydesolution. From theCambridge English Corpus Characterizing transcription factor binding sites usingformaldehydecrosslinking and immunoprecipitation. From theCambridge English Corpus Earthworms were separately collected from each 10-cm layer by hand-sorting and fixed in 4%formaldehydesolution for species identification. From theCambridge English Corpus Application of indirect immunofluorescence to acetone-orformaldehyde-fixed mouse blood smears using the 'clone mouse' antisera at the first stage proved to give excessive background staining. From theCambridge English Corpus Each faecal sample collected was mixed thoroughly with 10% aqueousformaldehydefor preservation. From theCambridge English Corpus These compounds are hydrogen cyanide andformaldehyde, acting as precursors of complex biochemical substances. From theCambridge English Corpus The mixture was fixed by adding 20 l of 5%formaldehyde, and then stained with 3 l of 0.5% erythrosin in 70% ethanol. From theCambridge English Corpus The residue consists of a mixture of complex oxygen-rich organic species and is generally dominated by molecules derived fromformaldehyde. From theCambridge English Corpus 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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