- endogenous nitrogen
- 内源氮
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
nitrogen balance — n the difference between nitrogen intake and nitrogen excretion in the animal body such that a greater intake results in a positive balance and an increased excretion causes a negative balance see NITROGEN EQUILIBRIUM * * * the relationship… … Medical dictionary
nitrogen balance — the relationship between the nitrogen taken into the body and that excreted, denoting the balance between the manufacture and breakdown of the body mass. A negative nitrogen balance, when excretion exceeds intake, is usual after injury or… … The new mediacal dictionary
Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see … Wikipedia
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
poison — poisoner, n. poisonless, adj. poisonlessness, n. /poy zeuhn/, n. 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well being: the poison of slander. 3.… … Universalium
Paracetamol — Acetaminophen Systematic (IUPAC) name … Wikipedia
Melatonin — Not to be confused with Melanin or Melanotan. Melatonin Systematic (IUPAC) name … Wikipedia
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Nicotinic agonist — A nicotinic agonist is a drug which enhances the action at the nicotinic acetylcholine receptor (nAChR). Examples include: nicotine (by definition the nicotinic acetylcholine receptor is named for its affinity for nicotine) acetylcholine, the… … Wikipedia