重金属的污染特点 (Pollution Characteristic): 1、形态多变; 2、金属有机态的毒性大于金属无机态; 3、价态不同毒性不同; 4、金属羰基化合物常常剧毒; 5、迁移转化形式多...
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Anti-pollution characteristic 耐污性能
air pollution characteristic 空气污染特征
pollution characteristic analysis 污染特征分析
the characteristic of pollution 污染特征
Take SO_2, NO_2, PM10 as the pollution factor, carries on the pollution characteristic analysis to the Baoji atmospheric environment.
本文以SO_2、NO_2、PM_(10)为污染因子,对宝鸡市大气环境进行污染特征分析。
参考来源 - 宝鸡市大气环境质量评价及变化趋势研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Tea saponin's easy availability, low price, botanical origin, and non-pollution characteristic favor its broad developing prospects.
茶皂素资源丰富,价格低廉,对环境无污染,是具有开发前景的植物杀螺剂。
A major disadvantage of coal combustion-and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.
煤炭燃烧的主要缺点——也是工业城市的特色——是烟尘、粉尘、灰渣和废气以及大量的温室气体二氧化碳污染了空气。
By analyzing its structure and working principle, it proves that the new circuit has little pollution to the network and has well characteristic of the output voltage.
通过简单分析该主电路的结构形式和工作原理,证明它是一种对电网污染少、整流输出电压特性好的焊接电源主电路形式。
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