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1)  leaching quota
淋洗灌溉定额
1.
The prediction results indicated that both in the leaching quota and in the normal irrigation could lead to the increase of soil salt.
结果显示,两种灌溉定额下土壤盐分都有所增加,但淋洗灌溉定额下比正常灌溉定额下小麦、葵花和玉米模型土壤盐分分别降低了6。
2)  irrigation leaching
灌溉淋洗
3)  leaching irrigation
淋洗灌溉
4)  irrigation quota
灌溉定额
1.
Comparison of three kinds of indices for calculating optimal irrigation quota;
确定农田灌溉定额的三种优化目标的比较
2.
Rational irrigation quota under limited water supply;
水源有限条件下作物合理灌溉定额的确定
3.
Spatial variability of rice irrigation quota and comprehensive irrigation quota in Yunnan Province;
云南水稻灌溉定额与农业综合灌溉定额的空间变异性
5)  Irrigation norm
灌溉定额
1.
Water saving irrigation norm model and its solutions;
节水灌溉的灌溉定额建模与求解
2.
An experiment was carried out in a solar energy greenhouse to study the effects of irrigation norms and water stress at different growth stages on the yield of tomato.
对番茄滴灌与沟灌2种不同的灌水方式、灌溉定额进行了量化比较。
6)  irrigation device
定额灌溉
1.
In order to reduce irrigation water use and improve irrigation efficiency for field crops,a irrigation device was designed.
为了解决大田作物定时定量灌溉控制问题,介绍了一种自行研制的可移动式农田小定额灌溉装置。
补充资料:淋洗
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性质:又称洗脱。离子交换提取、纯化过程中的一个重要操作步骤,其目的是将已吸附在树脂(负载树脂或饱和树脂)上的金属(如铀)由树脂相淋洗到水溶液中。对于铀的硫酸浸出液(或矿浆)吸附过程,常用的淋洗剂有酸性硝酸盐溶液(如HNO3+NH4NO3)或酸性氯化物溶液(如H2SO4+NaCl)。而对于铀的碳酸盐浸出液(或矿浆)吸附过程,则宜采用添加少量NaCO3或NaHCO3的NaCl溶液作淋洗剂。淋洗也是柱色谱普遍采用的方法。在离子交换色谱法中,用适当的溶液作流动相,以一定的流速,将被树脂吸附着的离子解吸下来的过程。亲和能力小的先流出,亲和能力大的后流出。

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