Working out the primary water pollutant discharge standard for the chemical industry in Jiangsu province had a practical significance to clean production and environmental protection.
江苏省化学工业主要水污染标準的制订对于促进我省化工企业的清洁生产,保护生态环境有着重要的现实意义。
There is an intricate phenomenon that the content of primary water is high in sandstone gas reservoir with low-permeability, but several gas wells can produce water.
低渗透砂巖气藏一般原生水饱和度高,气藏显然没有水层但产水较大,这种现象很难解释。
Miyun reservior is the most primary water supply source in Beijing, water and soil loss in the upper reaches has important influence on ecological safety in capital area.