| 1. | A kidney also takes urea and mineral salts out of the blood . 肾还排出血液中的尿素和无机盐。 |
| 2. | Urea is commonly used as the source of nitrogen in foliage sprays . 尿素作为氮素给源普遍地应用于叶面喷布。 |
| 3. | Unfortunately, elemental analysis will not yield any information as to the extent of contamination by urea . 不幸的是,元素分析不能指出夹杂尿素的程度。 |
| 4. | Analysis of present status of urea high pressure equipment 尿素高压设备现状分析 |
| 5. | 08 . 01 specification for urea - formaldehyde molding compounds 脲甲醛模制化合物规范 |
| 6. | Method for determination of urea in water of swimming place 游泳水中尿素测定方法 |
| 7. | Preparation of urea modified water absorbing phenolic foam 尿素改性吸水性酚醛泡沫 |
| 8. | Synthesis , properties and biological activities of phosphoryl ureas 性质及生物活性 |
| 9. | Research on urea - induced protein denaturation 尿素诱导的蛋白质变性现象的研究 |
| 10. | Study on the stability of urea - formaldehyde microcapsules 脲醛树脂微胶囊稳定性研究 |