 |
| |||
| match | |||
| phosphorus | |||
| fluorescent material; luminescent material; phosphor | |||
| phosphorus A nonmetallic element used to manufacture phosphoric acid, in phosphor bronzes, incendiaries, pyrotechnics, matches, and rat poisons; the white or yellow allotrope is a soft waxy solid, soluble in carbon disulfide, insoluble in water and alcohol, and is poisonous and self-igniting in air; the red allotrope is an amorphous powder, insoluble in all solvents and is nonpoisonous; the black allotrope comprises lustrous crystals similar to graphite, and is insoluble in most solvents | |||
| phosphorus | |||
| phosphorous | |||
| |||
| phosphorus | |||
| |||
| phosphors | |||
|
fosforos : 105 短语, 17 学科 |
| 一般 | 2 |
| 信息技术 | 1 |
| 军队 | 1 |
| 农业 | 6 |
| 冶金 | 5 |
| 化学 | 47 |
| 卫生保健 | 2 |
| 技术 | 6 |
| 文化学习 | 1 |
| 环境 | 9 |
| 电子产品 | 13 |
| 纺织工业 | 1 |
| 自然科学 | 3 |
| 行业 | 4 |
| 透析 | 1 |
| 除害虫 | 1 |
| 食品服务和餐饮 | 2 |