nitrate造句
1. Silver nitrate is a salt.
2. Potassium nitrate and potassium chloride are potassium salts.
3. We need to cut nitrate levels in water.
4. High levels of nitrate occur in eastern England because of the heavy use of fertilizers.
5. Babies in high nitrate areas are given bottled water.
6. But, with heavier stocking, even grass leaches more nitrate.
7. But that very nitrate is sustaining the algae.
8. I think your nitrate levels are to blame.
9. Unpolluted ecosystems release only small quantities of nitrate in streams.
10. Now if we can just lower our tapwater nitrate levels ... I hope you like our new series of free fish cards.
11. The Ecological Impact of Nitrates Two rivers illustrate the impact of nitrate pollution.
12. They are not normally thought of as potassium nitrate molecules existing as single entities outside the solid lattice.
13. A more sinister development is the seepage of nitrate into aquifers which are used as sources of the domestic water supply.
14. So nitrate from the enormous growth in artificial fertiliser applications is rapidly leached away.
15. Nitrate levels must remain below 50 parts per million to stay within the law.
16. Does it complete the nitrogen cycle, ie. convert nitrate into nitrogen?
17. The question of introducing nitrate protection zones got serious consideration only through the Nitrate Coordination Group in 1987.
18. Use of Ammonia, Nitrite and Nitrate test-kits will give you an accurate measure of how effective your bacterial filtration is.
19. Now is the time to put fears about nitrate levels in water into true perspective.
20. After various delays it produced a report, Nitrate in Water, in December 1986.
21. The two water regions of Britain with the greatest nitrate problems are Anglian and Severn Trent.
22. Control: Watering regularly, especially when fruits are swelling, and apply Chempak calcium nitrate.
23. Changes can be reduced by good filtration, which will remove ammonia and nitrite, and even nitrate.
24. The nitrogenous materials which have been oxidized aerobically to nitrate are then reduced anaerobically to nitrogen.
25. Some 850,000 people are supplied with water with a nitrate concentration above 50 mg/litre.
26. Expensive commercial explosives continued to sell; consignments of cheap ammonium nitrate fertiliser continued to explode.
27. According to the DoE, since 1979 government advice to cereal farmers has reduced autumn applications of nitrate by 60 percent.
28. Heavily stocked or overfed tanks suffer the most and nitrate levels can quickly rise out of control if great care is not taken.
29. Unless farm fertilisation increases, atmospheric deposition of nitrogen, especially as nitrate, may well overtake deposition from land runoff.
30. In fact, Water Lilies should help, not aggravate the situation, as all plants are consumers of nitrate.
12345678