| 1. | Reductant from an extraneous source is introduced . 外来的还原剂被引进来。 |
| 2. | A low rate is enough to prevent flushing of reductants . 缓慢的流速足以防止还原剂的散失。 |
| 3. | Carbon is needed as a reducing agent in many metallurgical operation . 许多金属冶炼操作中需要碳作为还原剂。 |
| 4. | Reduced nicotinamide nucleotides can function as reductants to nitrogenase . 还原的烟酰胺核苷酸对固态酶可以起还原剂的作用。 |
| 5. | Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas . 含硫化氢的气体和水被认为是某些地区的一种主要的还原剂。 |
| 6. | Vitamin b12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia . 维生素B12被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。 |
| 7. | Epitropic fibre has excellent resistance to reducing agents 导电纤维具有卓越的抗还原剂性能。 |
| 8. | Study of enhanced desulfurizing flotation on coal with reduction method 还原剂法强化煤浮选脱硫的研究 |
| 9. | Reductants , therefore , play an important role in the process 因此,还原剂在流程中起着重要的作用。 |
| 10. | Oxidizing and reducing agents 氧化剂和还原剂 |