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1·And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.

同时在试验的基础上，推导得植树后断面平均流速减小值和植物坝段床面剪应力的计算公式。

2·The modified formula brings about obvious effect in reduction of equipment cost, decrease of power consumption.

修改后的公式对于减少设备费用、节约动力消耗，效益是可观的。

3·The formula of final error in the oxidant reduction titration is deduced according to the principle that the inconsistency of titrating final and chemical calculating point leads to the final error.

根据滴定终点与化学计量点不一致而导致终点误差这一原理，推导出氧化还原滴定的终点误差公式。

4·A process and formula for gold imitated coloring of copper and copper alloy by cathodic reduction were advanced in detail.

详细介绍了一种铜及铜合金阴极还原着仿金色工艺及其配方。

5·This paper gives the elastic differential equation of collapse of perforated casing, and a general formula for reduction factor of elastic collapsing by perturbation method.

建立了射孔段套管弹性抗挤性能分析控制一般方程，并采用摄动理论给出了的孔段套管弹性抗挤能力降低系数一般计算公式。

6·In this paper, we mainly study equivariant harmonic maps, the theorem of reduction, the equivariant variational formula, and the harmonic equation.

在本文中我们主要研究了等变调和映照、及其约化定理和等变变分公式，得到了等变调和映照的调和性方程。

7·Furthermore, the accuracy of wet assay of gold in experimental sample was studied by means of new reduction sampling formula.

用新的缩分取样公式研究了提金工艺实验样品湿法分析金的准确性。

8·This product is extracted from the aloe plant essence, fragrance aroma, taste unique, and the election Abrasive formula with high-grade silicon, reduction of tooth surface wear.

本产品从芦荟中提取植物精华素，馥郁芳香，口感独特，并选用高档硅磨料配方，减少牙齿表面磨损。

9·The prediction formula of yearly production and the approximation formula for reduction between the instantaneous production and yearly production are also presented.

给出了年产量预测公式及瞬时产量与年产量相互换算的近似公式。

10·A formula of such heat conduction error is derived, and analysis of the factors affecting the error and its reduction method are presented in this paper.

本文对该导热误差公式进行了详细推导，分析了影响导热误差的各种因素，并且提出了减小导热误差的方法。