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The content of two chlorine dioxide products was measured with "five-step iodometry" in laboratory in order to know the factors influencing the accuracy of measurement by this method and to improve it.

提要： 在实验室用"王步碘量法"测定两种二氧化氯产品含量，以了解影响该方法测定准确性的因素并进行改进。

Results In measurement with improving five-step iodometry method,it was optimal that the total concentration of the oxides in the sample solution was 1000-3000 mg/L and the sample volume was 2-5 ml.

结果改进五步碘量法测定中，样品溶液中氧化性物质的总浓度在1000-3000mg/L，取样量为2-5ml为佳。

It is an inviolable natural law that extinction is an irreversible step in the evolutionary process.

物种灭绝是进化过程中不可逆转的步骤，这是不可违背的自然法则。

Should Carlos Ischia's team beat its rival coached by former Boca's midfielder Diego Cagna, it will be only one step away from the top of the standings - now headed by San Lorenzo.

卡洛斯·伊斯切亚的球队将面对前博卡中场迭戈卡纳所执教的球队，他们现在位于圣罗轮左之后，离第一的宝座只有一步之遥。

On the basis of color imaging system, an automated photoelasticity in white light for determining isochromatics and isoclinics is presented It includes two techniques One is automation of the ordering of color isochromatics based on BP neural network The other is whole field digital determining of isoclinic angles by five step color phase shifting Many limitations and drawbacks, which affect the precision of measurement, were more eliminated and improved The validity of experimental results was ...

以彩色信息图象处理技术为基础，围绕光弹性实验数据自动采集这个主题，提出用BP神经网络自动确定等色线分数级条纹及其级数的颜色插值法，以及全场数字化确定等倾角的五步彩色相移法。典型实验表明，上述方法在提高光弹性数据采集自动化程度和减少各种误差因素影响等方面均有所改善；进而提高三维光弹性薄切片应力分析结果的精度，促进实验应力分析的工程应用，扩大光弹性法的应用范围。

It turns out that this is the easiest step.

原来，这是最容易的一步。

It's up to you to take the first step.

这取决于你采取的第一步。

It is necessary to analyze the convergence of a special class of such step- parallel iteration methods for delay differential equations.

针对延迟微分方程分析了一类特殊的并行迭代法的收敛性，数值算例表明这种算法是有效的。

First, this method calculates the iteration step size with the average value of connectivity ,then it optimizes the local cost functions.

该算法首先根据网络的平均连通度确定迭代步长，然后对每个未知节点的局部代价函数进行优化求解。

A reference point of the objective value considered is introduced in the algorithm and it is generated in each iteration step to adapt to decision maker's information, which makes the solution space compressed.

该算法引入目标参考点，在算法的每一次交互步骤中，让决策者通过调整目标参考点来寻找满意解，并压缩了目标搜索空间。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。