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- Especially with the degradation of water quality, the variation of hydrochemistry changes the basic modes of sediment movement, which influences the sediment transportation in the whole catchments. 尤其是随着水环境的日益恶化,河流水化学条件的变化影响了泥沙最基本运动形式,从而对流域泥沙输移产生了不可忽视的影响。
- Analysis of Variation of Water Quality in the Southern Yishu Geosyncline 伊舒地槽南段浅层地下水污染特征及成因分析
- variation of water quality 水质变化规律
- Based on the quality data of overyear water table and groundwater,the research studied the dynamic variation of water table and quality of groundwater. 本文在总结银川地区地下水监测点的多年水位和水质资料的基础上,研究地下水水位的动态变化和水质随时间的变化。
- Based on the variation of the water quality and the growth of the Takifugu obscurus, the function and the mechanism of the immobilized PSB was discussed. 结合不同养殖池的水质变化以及养殖个体的生长情况,探讨了光合细菌在水产养殖中的作用方式及作用机理。
- Variation of land use in the middle reaches of the Heihe River was investigated, to explore its effect on water flow, water quality and their spatiotemporal distribution. 摘要本文在分析黑河中游地区土地利用变化的基础上,重点探讨了该区土地利用变化对水量、水质及其时空分布的影响。
- Based on the quality data of overyear water table and groundwater, the research studied the dynamic variation of water table and quality of groundwater. 摘要本文在总结银川地区地下水监测点的多年水位和水质资料的基础上,研究地下水水位的动态变化和水质随时间的变化。
- There were serious potential hygienic risks of water quality. 自贡市乡镇自来水厂的水质存在严重的卫生安全隐患。
- Through the analysis of water quality data for multi-years in stem river and tributary rivers in TGP reservoir area,the water quality variation before and after impoundment of TGP is analyzed. 通过对三峡库区干支流水文断面蓄水前后多年水质资料进行整理分析,分析了蓄水前后库区河流水质变化趋势。
- The daily variation of water potential of stem,leaf and fruit of Starking and Golden Delicions apple tree of different stocks can be described abvionsly as curve of "V". 研究不同砧木红星、金冠苹果树枝条、叶片、果实水势日变化 ,结果表明 :各器官水势日变化趋势一致 ,均呈“V”型曲线变化。
- The daily variation of water potential of stem,leaf and fruit of Starking and Golden Delicions apple tree of different stocks can be described abvionsly as curve of “V”. 研究不同砧木红星、金冠苹果树枝条、叶片、果实水势日变化,结果表明:各器官水势日变化趋势一致,均呈“V”型曲线变化。
- The daily variation of water potential of stem,leaf and fruit of Starking and Golden Delicions apple tree of different stocks can be described abvionsly as curve of “V”. 研究不同砧木红星、金冠苹果树枝条、叶片、果实水势日变化,结果表明:各器官水势日变化趋势一致,均呈“V”型曲线变化。收藏指正
- The research is helpful to our understanding of effects of Vallisneria asiatica on the environment of water and the possible diurnal variation of phosphorus release in sediment. 试验结果为进一步研究沉水植物对水体中环境因子影响的日变化特征和影响机理,以及底泥磷释放可能存在的日变化具有一定的参考价值。
- The spatial variations of pollutants were analyzed, and there was significant difference between the water quality of inta... 最后从土地利用方式、产业结构调整、经济政策调控、流域环境管理等方面初步构建了黄浦江上游水源地保护的战略方案.
- Grey theory is used to predict variation of water content in the plugged intervals in wells with high water cut, and calculate production through unplugging. 通过运用灰色理论预测高含水井层系的含水变化情况,并进行去堵求产,取得了较好的效果。
- The song sounds like a variation of a very old and familiar tune. 这首歌像是一个熟悉的旧曲调的变奏曲。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- The pipe burst and a spout of water shoot out. 水管破裂了,一股水喷了出来。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。