| 1. | Chemical analysis of urea for technical use . determination of total iron 专业用尿素的化学分析.总铁含量的测定 |
| 2. | Rubber compounding ingredients - kaonlin clay - determination of total iron content 橡胶配合剂.陶土.总铁含量的测定 |
| 3. | Iii iron ores . determination of total iron content . titanium chloride reduction methods 铁矿石.总铁含量测定.氯化钛 |
| 4. | Test method for total iron in iron ores by the dichromate - free titrimetric method 用无重铬酸盐滴定分析法对铁矿石中总铁含量的试验方法 |
| 5. | Rubber compounding ingredients . silica , precipitated , hydrated . determination of total iron content 橡胶配合剂.沉淀水合二氧化硅总铁含量的测定 |
| 6. | Test method for sampling and testing for ash and total iron in steel mill dispersions of rolling oils 轨钢厂轧制油悬浮液中灰分及总铁量的取样及测试的试验方法 |
| 7. | Successive titrimetric determination of total iron and titanium dioxide in titanite using k2cr2o7 solution as titrant 重铬酸钾滴定法连续测定钛铁矿中二氧化钛及总铁 |
| 8. | Manganese ores and concentrates . determination of total iron content . titrimetric method after reduction and sulfosalicylic acid spectrophotometric method 锰矿石和精矿.总铁含量的测定.还原后的滴定法和磺基水杨酸分光光度计法 |
| 9. | Based on analysis of magnetic effect mechanism of alluvial cohesive soil , according to the distribution and character of river alluvial cohesive soil of first and second terrace of yongjiang river of nanning , pore water chemical characteristic , especially total iron content in pore water and holding form of iron ion in pore water , this text preliminarily divides the river alluvial cohesive soil of first and second terrace of yongjiang river of nanning into two magnetic effect region : reinforced region and weaker region of magnetic effect 摘要在分析粘性土磁效应机理的基础上,根据? 、级阶地河流冲积相粘性土的分布及其特性和孔隙水化学特性,尤其是孔隙水中的总铁含量以及铁离子的赋存形式,将南宁市邕江? 、级阶地河流冲积相粘性土初步划分为磁效应强化区、磁效应较弱区两个磁效应区。 |