| 1. | The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life . 氮的氧化物对物质、植物、动物和人类生活有毒害效应。 |
| 2. | The discharge amount of nitrogen oxide can reduce 30 % 氮的氧化物排放量减少30 % 。 |
| 3. | Automated measuring systems for oxides of nitrogen in flue gas using non - extractive methods 用非萃取法测定烟道废气中氮的氧化物的自动测量系统 |
| 4. | Standard test method for oxides of nitrogen in gaseous combustion products phenol - disulfonic acid procedures 气态燃烧产物中氮的氧化物的测试方法 |
| 5. | Standard test methods for continuous measurement of oxides of nitrogen in the ambient or workplace atmosphere by the chemiluminescent method 用化学发光法连续测定周围环境或工作场所空气中氮的氧化物含量的标准试验方法 |
| 6. | And nox is more harmful to our body . therefore it has become an important study to control the exhaust in every country 尤其是排气中氮的氧化物( nox ) ,对人体的伤害极大,所以降低汽车的尾气排放已成为各国研究的热点。 |
| 7. | Sodium tripolyphosphate for industrial use including foodstuffs - determination of oxides of nitrogen content - 3 , 4 - xylenol spectrophotometric method 工业三聚磷酸钠包括食品工业用氮的氧化物含量的测定3 , 4 -二甲苯酚分光光度法 |
| 8. | Nitrogen oxides ( nox ) have been recognized as acid rain precursor that impose a significant threat to the environment . coal combustion of power plant boilers is a major anthropogenic source of nox during the past decade , our government pay more and more attention to environment protection 氮的氧化物(即no _ x )已经被公认为是造成酸雨的主要气体之一,火电厂燃煤产生的氮氧化物是人类排放no _ x的主要来源,它严重地威胁着自然环境和人类的健康。 |