class of chemical compounds
5 statements, 0 sitelinks - 22:58, 10 June 2023
compounds of the form (NH4+)Y− and derivatives, in which one or more of the hydrogens bonded to nitrogen have been replaced with univalent groups
5 statements, 0 sitelinks - 22:57, 10 June 2023
The directed movement into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore of quaternary ammonium compounds, any compound that can be regarded as derived from ammonium hydroxide or an ammonium salt by
5 statements, 0 sitelinks - 22:51, 10 June 2023
...[[ionic compound]]s are held together by [[ionic bond]]s; [[intermetallic compounds]] are held together by [[metallic bond]]s; [[coordination complex]]es are h
...y the [[Chemical Abstracts Service]]. Globally, more than 350,000 chemical compounds (including mixtures of chemicals) have been registered for production and u
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19 KB (2,660 words) - 08:18, 5 January 2023
...lfuric acid/ja|硫酸]]で処理することによって酸に戻した。 この方法では、元の酸を蒸留するよりも純粋な生成物が得られた。 最近では、[[ammonium lactate/ja|乳酸アンモニウム]]がこのプロセスでカルシウムの代わりとして使われるようになった。
[[Category:Calcium compounds]]
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10 KB (526 words) - 18:40, 21 April 2024
...t than would be obtained by distillation of the original acid. Recently [[ammonium lactate]] has been used as an alternative to calcium in this process.
[[Category:Calcium compounds]]
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8 KB (1,150 words) - 14:29, 21 April 2024
...t than would be obtained by distillation of the original acid. Recently [[ammonium lactate]] has been used as an alternative to calcium in this process.
[[Category:Calcium compounds]]
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8 KB (1,210 words) - 14:29, 21 April 2024
...nc]], while organic nutrients include, among many others, energy-providing compounds and vitamins.
...dy needs may have harmful effects. Edible plants also contain thousands of compounds generally called [[phytochemical]]s which have unknown effects on disease o
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23 KB (3,155 words) - 11:48, 22 February 2024
...nc]], while organic nutrients include, among many others, energy-providing compounds and vitamins.
...dy needs may have harmful effects. Edible plants also contain thousands of compounds generally called [[phytochemical]]s which have unknown effects on disease o
...
23 KB (3,235 words) - 11:48, 22 February 2024
...]], or [[ammonium]]. Prototrophs can create essential nutrients from other compounds, while [[auxotroph]]s must consume preexisting nutrients.
...ese are absorbed ions in the soil, such as [[bicarbonate]], [[nitrate]], [[ammonium]], and [[sulfate]], or they are absorbed as gases, such as carbon dioxide,
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24 KB (3,438 words) - 13:40, 23 February 2024
...]], or [[ammonium]]. Prototrophs can create essential nutrients from other compounds, while [[auxotroph]]s must consume preexisting nutrients.
...ese are absorbed ions in the soil, such as [[bicarbonate]], [[nitrate]], [[ammonium]], and [[sulfate]], or they are absorbed as gases, such as carbon dioxide,
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24 KB (3,516 words) - 13:38, 23 February 2024
[[Category:Quaternary ammonium compounds]]
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36 KB (1,596 words) - 20:11, 6 April 2024
Ammonia is converted to another form, [[ammonium]] ({{chem2 |NH4+}}), usable by (some) plants, by the following reaction:
...e growing season, the field can receive a sufficient amount of nitrogenous compounds to produce a good result without adding nitrogenous fertilizer. Legumes are
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16 KB (2,355 words) - 20:36, 30 May 2025
Ammonia is converted to another form, [[ammonium]] ({{chem2 |NH4+}}), usable by (some) plants, by the following reaction:
...e growing season, the field can receive a sufficient amount of nitrogenous compounds to produce a good result without adding nitrogenous fertilizer. Legumes are
...
17 KB (2,475 words) - 20:36, 30 May 2025
|align="left" | [[Ammonium alginate]]|| E 403
* food compounds
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44 KB (6,373 words) - 09:32, 23 November 2023
|align="left" | [[Ammonium alginate]]|| E 403
* food compounds
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45 KB (6,551 words) - 09:31, 23 November 2023
[[Category:Quaternary ammonium compounds]]
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29 KB (4,040 words) - 11:14, 19 February 2024
[[Category:Quaternary ammonium compounds]]
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30 KB (4,144 words) - 11:09, 19 February 2024
...n dye manufacturers had perfected the purification of individual [[organic compounds]] from tar and other mineral sources and had also established rudimentary
...henamine was prepared as part of a campaign to synthesize a series of such compounds and found to exhibit partially selective toxicity. Arsphenamine proved to
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60 KB (8,551 words) - 22:13, 8 January 2023