With artificial simulative washing test the effects of soil potassium loss in loess area by fertilizing KCl vegetation coverage and amount of rainfall were preliminarily studied .

通过人工模拟 冲刷试验，初步分析了施KCl、植被覆盖度和降雨量对黄土区土壤钾素 径流的影响。

The recovering guaiacol by alkali washing process is an innovative recycling process in present recovery process it has some advantages of low energy consumption less loss of raw materials and recycling . It is worthy of further industrial application research .

碱 洗法回收愈创木酚的工艺是对目前木酚回收工艺的创新，具有能耗低，原料 损失少，可循环等优点，值得进一步工业化应用的研究。

The accumulation of the minute amount of ammonia and water entering the methanol washing system from the shift system will cause the increase of water in methanol solvent quality-deteriorated of solvent and the great loss of methanol with purge gas .

从变换气进入甲醇 洗系统的微量氨和水能在溶剂中逐步积累，从而导致甲醇溶剂中的含水量大量增加，恶化了溶剂的质量，而且使大量甲醇在气体放空时 损失。

Improved eggshell conductivity resulting from washing eggs in sodium chlorite did not significantly increase egg weight loss but helped increase hatchability .

结果表明：用稀盐水 清洗种蛋增加蛋壳通透性不能显著提高种蛋 失水率，胚胎自身具有渗透压调节作用，但对提高受精蛋孵化率有利；

The rust-dissolving performances of HEDP were studied and the several groups of corrosion inhibitors for acid washing were evaluated through weight loss experiments and coupon tests at different conditions .

通过不同条件下的 失重和旋转挂片腐蚀试验，对1-羟基乙叉 -1二膦酸（HEDP）的溶锈性能进行了试验，对比评价了几组常用的 酸洗缓蚀剂。

Studies showed that the catalyst could effectively catalyze the reaction . Moreover the catalyst could be recovered and reused several times after a simple filtration washing and drying without significant loss of activity .

研究表明，该类催化剂可以有效催化此反应的顺利进行，并且催化剂经过简单的过滤、 洗涤和干燥后即可再生，重复使用多次催化活性无明显 降低。

The existing process scheme to treat nitric acid tail gas from the washing stage of acrylon filature components in Acrylon Chemical Plant of Fushun Petrochemical Company was analyzed . The existing nitric acid tail gas treating process had severe nitric acid loss and waste gas pollution problem .

分析了抚顺石化公司腈纶化工厂腈纶纺丝组件 清洗工序原有的硝酸尾气治理工艺方案，认为存在着较严重的硝酸 损失及废气污染问题。

The ionic liquids are easily recycled after washing with hexane allowing their reuse at least four times with no loss in activity and regioselectivity .

分离后的离子液体用正己烷 清洗提纯后，重复使用4次，其催化活性和区域选择性基本保持 不变。

The theoretical analysis and experimental study of filtering and inverse washing performance of sandy filter used in water-saving irrigation project have been done . A new relation equation of filter resistant coefficient and Reynolds number and a new calculating formula of initial head loss have been presented .

对节水灌溉工程中使用的砂过滤器的过滤与反 冲洗性能进行理论分析和试验研究，提出了新的过滤阻力系数与雷诺数的关系式，给出了新的计算初始水头 损失公式。