brackish water sediment是什么意思

网络释义

用法例句

Potential analysis of brackish water utilization in Hebei;

河北省微咸水利用潜力分析

Application of brackish water drip irrigation technology to cotton fields in saline area of north Shandong Province;

鲁北盐渍土区棉花微咸水滴灌技术研究

Establishment of brackish water irrigation system with multi-target policy;

多目标决策法制定微咸水灌溉制度

Field study on impacts of soil water-salt distribution and winter wheat yield by different saline water combination irrigations;

不同微咸水组合灌溉对土壤水盐分布和冬小麦产量影响的田间试验研究

Effects of saline water on cucumber yields and irrigation water use efficiency under drip irrigation;

微咸水滴灌对黄瓜产量及灌溉水利用效率的影响

Distribution characteristics of different salt ions in soil under drip irrigation with saline water;

微咸水滴灌条件下不同盐分离子在土壤中的分布特征

As one important source of solving shortage of the water resources problem for irrigation, the slight saline water is widely concerned.

为了寻求合理微咸水农田灌溉方法,进行了不同咸淡轮灌模拟试验,分析了累积入渗量、湿润锋、土壤含水量、土壤含盐量、盐分浓度和钠吸附比的变化特征,结果表明咸淡咸轮灌方式下土壤入渗能力较大,且脱盐区内脱盐率比淡咸咸的高,而淡咸咸轮灌方式下同一土层土壤含水量高。

Duo to shortage of fresh water, the utilization of slight saline water is a major method for solving the problem of water shortage for farmland irrigation.

由于淡水资源短缺,微咸水开发利用成为缓减农业水资源短缺的重要措施。

Development and Utilization of slight saline water for irrigating agriculture is one of major measurements to solve the problem of water shortage for farmland irrigation and saving fresh water resource .

微咸水灌溉是缓解农业供需矛盾、节约淡水资源的重要途径之一。

Based on the review of national and international research results of slightly saline water irrigation, theoretical analysis, laboratory and field experiments were conducted to study soil salt-water transfer under saline water irrigation, and the optimization technique on parameters of saline water surge i.

日益短缺的淡水资源严重影响着工农业生产,开发、利用微咸水进行农田灌溉具有重要意义。

Based on the review of national and international research results of soil solute transport and saline water use, both theoretical analysis and laboratory experiments were conducted to study infiltration of water and solute transport in layered soils, automatic measurement of soil water and solute transport parameters , and safe use of slightly saline water.

本文在结合国内外土壤溶质运移理论与微咸水利用试验研究成果的基础上,采取了理论分析与室内试验结合的方法,对层状土水分入渗和溶质运移特征、自动测定土壤水分、溶质运移参数的方法和微咸水安全利用进行了研究,取得了如下结论:1。