Normally calculated per the carbon content of organic substance in water 0 . 47为有机物污染指标通常以水有机物的碳含量来计算。
Air pollution index 空气污染指标
When e . coli colony is found in the water , it is possible existed with other disease inducing bacteria 为粪便性污染指标水中出现大肠杆菌时,表示可能会有其他致病菌同时出现。
When waters is existed with ammonia nitrogen , it means the water is contaminated for shorter time 家庭污水畜牧废水等排泄物污染指标当水体中存在氨氮时表示该水体受污染时间较短。
Particle concentration in the ambient air still keeps at relatively high level while the concentration of other pollutants has come close to or already met the national standards 目前,北京市主要大气污染物中,颗粒物浓度一直居高不下,其它污染指标已接近或达到国家标准。
The quality of tianjin resource water varies greatly with seasons and often worsens abruptly . the characteristic of tianjin resource water is typical in north china 天津市水源水质具有季节性变化明显、污染指标突发性超标和高藻期水质富营养化特征指标超标的特点,在北方地区具有典型性和代表性。
This updated universal monitor is the compound of a flow meter , a pollution treatment facility operation recorder , a pollutant indicators " collector and a adapter of general monitors , which is characteristic of intellectualization , networking and functional modularization with the modern techniques relevant to microprocessor , data communication and control network 它是采用先进的微处理器、数据通信技术口控制网络技术,实现了智能化、网络化、功能模块化,并集监测仪表中的流量计、污染处理设施运行记录仪、污染指标数据采集仪、适配器于一体的新型环境监测通用仪表。