residual cost

It was found that concentrations of trace metals released using two methods in non-residual phase draw near, but the new procedure has the advantages of being rapid, simple and lower in cost.

发现在非残渣态中二种方法的金属释放量类似，但三步连续提取法具有简单，快速和低消耗等优点。

HMT and its implementing methods, including critical loss analysis, critical elasticity analysis, diversion rate analysis, residual demand analysis and opportunity cost method;

二是假定垄断者测试及其执行方法，包括临界损失分析、临界弹性分析、转移率分析、剩余需求分析和机会成本法；

The residual strength is usually used to measure the fatigue failure, but so much work is needed to do and the cost is high and only one data is acquired for one test-piece.

剩余强度来度量疲劳损伤破坏准则清楚明了，但实验工作量大、费用高，并且一个试件只能得到一个数据；

All the practices showed that making residual sludge react chemically with acid was a very successful technique, which benefited product quality and decreased composting cost.

通过实验对比，得出采用污泥与酸矿反应制肥工艺，不仅产品性能好，而且可以降低污泥制肥的生产成本。

Sidetrack inside casing is a very effective way to exploit the residual gas with low cost.

套管内侧钻是低成本开发剩余油气的有效途径.