Brine irrigating in pot and field salt tolerant test in order to screen the salt-tolerance plants in the heavy salt soils of the Yellow river tidal flat.
采用盐水胁迫发芽、盐水浇灌盆栽和田间耐盐实验，研究植物的耐盐能力，筛选黄河三角洲滩涂重度盐渍土适生的耐盐植物。
The existing dispersants cannot meet the cementing requirements of deep and ultra-deep wells, having low temperature tolerance, low brine resistance, retarding, bubbling, and some other problems.
现有分散剂存在抗温耐盐性能不能满足深井、超深井固井要求，有缓凝或起气泡副作用等问题。
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