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词汇 nif
释义

nif1

noun nɪf
Genetics
  • Usually italicized. More fully "nif gene". (A symbol for) a gene which encodes nitrogenase or other proteins required for bacterial nitrogen fixation. Frequently with distinguishing following capital, denoting individual genes.

conjunction nɪf
English Regional, South-Western rare
  • If.

Origin

1970s. Acronym from the initial letters of nitrogen fixation
mid 18th century; earliest use found in Exmoor Scolding. Reduced form of an if.

NIF2

noun
Immunology
  • Neutrophil immobilizing factor, neutrophil inhibitory factor.

noun
Pharmacology
  • Nifedipine.

Origin

1970s; earliest use found in Journal of Immunology
1980s; earliest use found in Journal Cardiovascular Pharmacology.

nif1

nounnɪf
Genetics
  • Usually italicized. More fully "nif gene". (A symbol for) a gene which encodes nitrogenase or other proteins required for bacterial nitrogen fixation. Frequently with distinguishing following capital, denoting individual genes.

conjunctionnɪf
English Regional, South-Western rare
  • If.

Origin

1970s. Acronym from the initial letters of nitrogen fixation<br>mid 18th century; earliest use found in Exmoor Scolding. Reduced form of an if.

NIF2

noun
Immunology
  • Neutrophil immobilizing factor, neutrophil inhibitory factor.

noun
Pharmacology
  • Nifedipine.

Origin

1970s; earliest use found in Journal of Immunology<br>1980s; earliest use found in Journal Cardiovascular Pharmacology.

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