| 词汇 | example_english_formic-acid |
| 释义 | formic acidcollocation in Englishmeanings of acidThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with acid. acid noun uk /ˈæs.ɪd/ us /ˈæs.ɪd/ any of various usually liquid substances that can react with and sometimes dissolve ... See more at acid Examples of formic acidThese 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. In surface soils, the ratio of formicacid to benzene increases with decreasing precipitation, suggesting a high degree of oxidation at the driest site. Generally, concentrations of formicacid and isobutyrate were very low. However, those ants harbouring mature third stage wasp larvae tended to be more retiring, possibly because their reservoir of formicacid was considerably reduced by the presence of the parasite. The principal danger from formicacid is from skin or eye contact with the concentrated liquid or vapors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The acids are further divided into weak (picric, acetic and formicacid) and strong acids (nitric and hydrochloric acid). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other organic compounds such as alcohols, acetic acid or formicacid are used as alternative electron acceptors by methanogens. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Among this species' products are formicacid, acetic acid, lactic acids, ethanol, carbon dioxide, and hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mainly present is acetic acid (the dominant component of vinegar), but lactic, butyric, propionic, and formicacid can also be found. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For this reason, 98% formicacid is shipped in plastic bottles with self-venting caps. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The formicacid acts as a source of hydride and reduces the imine to a secondary amine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is the amide of formicacid and piperidine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Further oxidation of the formaldehyde product during its production usually gives formicacid that is found in formaldehyde solution, found in parts per million values. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The catalyst poisoning induced by carbon monoxide, formicacid, or formaldehyde can be reversed with a high purity hydrogen stream. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An example is wood alcohol or methanol, which is not poisonous itself, but is chemically converted to toxic formaldehyde and formicacid in the liver. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hydroxyl is protonated using hydrogen from formicacid, which allows for water molecule to leave. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Commercially available, this compound may be prepared by the reaction of norbornene with formic acid, followed by hydrolysis of the resultant "exo" -norbornyl formate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This problem has led some manufacturers to develop energy-efficient methods of separating formic acid from the large excess amount of water used in direct hydrolysis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Uniquely, the tawny ant also uses formicacid as an antidote against the venom of the fire ant. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the first step, a reaction between phenylacetone and formamide, either using additional formicacid or formamide itself as a reducing agent, yields. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. Want to learn more? Go to the definition of acid See other collocations with acid |
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