| 1. | The methylene blue photometric method for determination of sulphur 次甲基蓝光度法测定硫 |
| 2. | The methylene blue photometric method for the determination of sulfur content 次甲基蓝光度法测定硫量 |
| 3. | Determination of boron content - extraction - methylene blue spectrophotometric method 次甲基蓝萃取分光光度法测定硼量 |
| 4. | The reducing distillation - methylene blue photometric method for the determination of sulfur content 次甲基蓝光度法测定硫量 |
| 5. | Tests for geometrical properties of aggregates . part 9 : assessment of fines . methylene blue test 集料几何特性试验.第9部分:细集料评估.次甲基蓝试验 |
| 6. | Methods for chemical analysis of ferroniobium - the methylene blue photometric method for the determination of sulfur content 铌铁化学分析方法次甲基蓝光度法测定硫量 |
| 7. | Chemical analysis of zirconium powder for electro - vacuum uses - the methylene blue photometric method for determination of sulphur 电真空用锆粉化学分析方法次甲基蓝光度法测定硫 |
| 8. | Sponge titanium , titanium and titanium alloys - determination of boron content - extraction - methylene blue spectrophotometric method 海绵钛钛及钛合金化学分析方法次甲基蓝萃取分光光度法测定硼量 |
| 9. | Methods for chemical analysis of iron , steel and alloy - the reducing distillation - methylene blue photometric method for the determination of sulfur content 钢铁及合金化学分析方法还原蒸馏-次甲基蓝光度法测定硫量 |
| 10. | Nanometer tio2 particles were well distributed in ni - p plating layer on steel surface by electroless plating . " the study showed their effects on photocatalytic degradation for methylene blue were equa1 to the tio2 powder capability of photocatalytic 同时本文利用化学复合镀在钢铁基体上形成ni - p -纳米tio _ 2复合镀层,该复合镀层对次甲基蓝有较好的光催化降解作用,其催化性能与粉末状纳米tio _ 2的催化性能大致相当。 |