| 1. | We present the national primary and second ambient air quality standards as upper bound guideline .
我们把国家一级和二级环境大气质量标准作为上限控制线。 |
| 2. | The issue of airborn carcinogens in the non-occupational environment was thoroughly reviewed by the committee on biologic effects of atmospheric pollutions of the national academy of sciences .
关于非职业环境大气中的致癌物问题，美国国家科学院大气污染生物效应委员会已作了详尽的论述。 |
| 3. | The test methods and guidance of atmospheic exposure of ocean environmental conditions for machinery products and parts
机械产品及元器件海洋环境大气暴露试验方法和导则 |
| 4. | Ambient air - measurement of the mass of particulate matter on a filter medium - beta - ray absorption method iso 10473 : 2000
周围环境大气.过滤介质颗粒物质的质量测量. -射线吸 |
| 5. | En 1076 workplace atmospheres . pumped sorbent tubes for the determination of gases and vapours . requirements and test methods
工作环境大气.气体和蒸汽测定用抽气式吸附管.要求和试验方法 |
| 6. | Automatic paint surface - system lines , assure weatherproof under all different conditions and excellent appearance
全自动流水喷涂表面处理系统，保证了产品对各种环境大气的高耐候性及外型的美观。 |
| 7. | Air quality . ambient atmosphere . measurement of the concentration of particulate matter suspended in the ambient air . gravimetric method
空气质量.环境大气.环境空气中悬浮的微粒物浓度的测定.重量分析方法 |
| 8. | Aerosols generated from continental and marine sources are transported to each other ' s environment , meanwhile they change the chemical compositions of the atmosphere , influence the processes and velocity of atmospheric chemical reactions
陆地和海洋源产生的气溶胶通过大气的流动向对方的环境系统输送，从而改变了对方环境大气的化学组成，影响着大气污染物的化学反应过程和反应速度，其沉降过程也会对对方的生态系统产生一定的影响。 |
| 9. | Selective absorption of electromagnetic wave . adw employing gases which do n ' t absorb the laser energy can form a gas urtain " whose pressure of the two sides is equal to the low pressure of laser cavity and the ambient circumstance pressure respectively so it can isolate the higher pressure ambient air from entrancing into the laser cavity and maintain the hel ' s running normally
气动窗口利用对激光器输出波长没有任何吸收作用的特殊气体作为窗口工作介质，并根据气体动力学部分相关原理，能生成一个具有与激光腔低压和环境大气高压相匹配的压力梯度、并把激光器低压工作介质和外界大气相隔离的“气幕” ，从而保证高能激光器的正常工作。 |
| 10. | Combining actual case , the society - economy environment , the noise pollution of environment , the air pollution of environment and the ecosystem environment of item that highway which bypass cheng - du city is appraised and concluded in the study by using the study achievement and combining the appraisement highway construction environment standard currently in effect
结合实际情况，课题利用研究的成果并结合《公路建设项目环境影响评价规范(试行) 》对成都市外环过境线的社会经济环境、环境噪声、环境大气和生态环境进行了评价。 |
