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- Tomprehensive precipiation 综合降水
- Based on purification by alcohol precipiation,the purity of black wattle bark tannins was increased by 10%. 通过对黑荆树皮单宁进行醇沉纯化,可以使单宁质量分数提高10%25。
- Water-soluble polysaccharide was isolated and purified from Artemisia anomal using techniques of extraction precipiation, and purification. 摘要对奇蒿的水溶性多糖成分进行了分离提取及成分分析。
- H silica-coated middle chrome yellow is prepared by the precipiation of chromate salt with lead nitrate solutions with special surface treatment of silica, aluminum and other additives. 中铬黄是由铬酸盐和硝酸铅相互沉淀，再经过硅、铝等助剂特殊处理所得的耐热性特佳的中黄色粉末。
- The Bivariate Time Serise Analysis and Forecast of the Precipiation in Jinan 济南降水的二元时间序列分析与预报
- precipiation analysis 沉淀分析(法)
- Tropical Cyclone Precipiation 热带气旋降水
- precipiation cone 沉淀圆锥
