| 1. | Nodules contain a mixture of ferrous and ferrous-oxy leghemoglobin .
根瘤含有亚铁和亚铁一氧化豆血红蛋白的混合物。 |
| 2. | A third example is the ferrous sulphate which we mentioned in the previous chapter .
第三个例子是前章提到的硫化亚铁。 |
| 3. | Glass is separated by hand at the dump and ferrous metal removed by magnet .
玻璃在堆放场用手拣出，黑色金属用磁铁分出。 |
| 4. | Ferrous metals, timber, and pulp seem to offer the main field of reduction .
看来，黑色金属、木材和纸浆是削减的重要对象。 |
| 5. | Conversion of ferrous to ferric iron occurs readily upon aeration at ph 7. 0-7. 5 .
在PH值7075时，一经曝气亚铁离子很容易转化为铁离子。 |
| 6. | The treatment sequence involved addition of ferrous sulfate for precipitation, and subsequence filtration .
处理步骤是先加硫酸亚铁使之沉淀，然后过滤。 |
| 7. | It is noteworthy that best copper removal occurred at ph 6. 0, with the addition of ferrous sulfate only .
显然，除铜率最高是在PH值6只加入硫酸亚铁之时。 |
| 8. | The electron acceptor used was a ferric salt that was reduced to the ferrous form during the reaction .
所用的电子受体是一种高铁盐，在反应时它还原成亚铁。 |
| 9. | 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。 |
| 10. | among other reagents used have been and titanous ion; a mixture of ferrous ion, oxygen, ascorbic acid, and ethylenetetraaminetetraacetic acid.
使用过的其它试剂有和亚钛离子、亚铁离子氧，抗坏血酸和乙四胺四乙酸混合物。 |
