| 1. | The proof is recoated with dichromate emulsion . 将这张校样重新涂以重铬酸盐乳剂。 |
| 2. | Fuse potassium dichromate (19) in a porcelain crucible . 在瓷坩埚中熔化重铬酸钾(19)。 |
| 3. | Two-stage chromate reduction has been used at several plants . 一些厂已采用两段铬酸盐还原法。 |
| 4. | With proper ph adjustment(4. 5-5)the chromate will be removed . PH值调节得当(4.5-5),铬酸盐也可被除去。 |
| 5. | At waste ph below 4, the oxidizing power of the chromic acid begins to attach the resin . 当废水pH值低于4时,铬酸的氧化力开始吸附在树脂上。 |
| 6. | Preferably, the anion portion of the salt is permanganate, iodate, dichromate or hyperchlorite . 它的阴离子部分最好是高锰酸,碘酸,重铬酸或过氯酸根。 |
| 7. | Preferably, the anion portion of the salt is permanganate, iodate, dichromate or hyperchlorite . 它的阳离子部分最好是高锰酸、碘酸、重铬酸或过氯酸根。 |
| 8. | One significant use of ion exchange treatment is for chromate contaminated blowdown from recirculating cooling water systems . 离子交换法的一个重要应用是用来处理铬酸盐污染的循环冷却水系统的排污。 |
| 9. | One significant use of ion exchange treatment is for chromate contaminated blowdown from recirculating cooling water systems . 离子交换树脂的一个重要应用是用来处理铬酸盐污染的循环冷却水系统的排污。 |
| 10. | The determination of sulfate - photometric method as barium chromate 铬酸钡光度法 |