To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry, then according to the sample characteristic, the treatment select soak, ultrasonic and distill.
摘要通过对测定食品中亚硫酸盐过程进行研究，根据样品的特性不同对所采集的样品采用浸泡、超声和蒸馏三种前处理方法。
The nanoprobe excites the sample with a strongly focused X-ray beam and collects the characteristic fluorescence signal that is re-emitted.
纳米探针通过聚焦强X射线激发样品，然后收集发射出的特征荧光。
The pretreatment conditions of sample, background absorption interference, the detection limit and characteristic concentration were investigated.
对样品处理条件、背景吸收干扰、出限及特征浓度进行了考察。
First, the time-drift of sensor's characteristic and its change law with temperature are obtained by the accelerated test, then the sample set is established.
首先，通过加速试验获得了传感器特性的时漂以及受温度影响的变化规律，并据此构建了样本集。
The treatment conditions of sample and the characteristic concentration have been studied.
对样品处理条件、特征浓度进行了考察。
The pretreatment conditions of sample, chemical interference, detection limit and characteristic concentration were studied.
对样品处理条件、化学干扰、检出限及特征浓度进行了考察。
Gather the sample of suspected hazardous waste (the chromium dreg), measured chromium in the lixivium, confirmed its property, analyzed its characteristic of pollution.
采集疑似危险废物含铬碳渣的样品，检测其浸出液中的总铬和六价铬含量，确定其性质，分析其污染特征；
The data acquisition system may sample multiple target data automatically, then we may built the target characteristic data-base and do some analysis and recognition work.
采集系统可以自动地对多个目标连续采集，形成带有数据标志的回波数据流，由此建立目标原始回波特性数据库供分析、处理、识别。
And the relationship between the sample content, and the measurement accuracy requirement and characteristic value is found out.
找出了样本容量与测试精度要求及统计特征值的关系。
For the electrocardiogram wave form, based on the hierarchical structure, this paper presents a characteristic sample and description method.
针对心电波形，本文提出了一种基于层次结构的特征抽取和描述方法。
That is, during crystallization the characteristic sample shrinkage, due to the sintering process stops.
这也就是说，结晶同时特征样本为终止烧结历程而缩短了。
On the basis of this approach, the characteristic of the near-field imaging and the localized optical resonance of the metallic sample were discussed.
在此基础上，进一步讨论了金属样品的近场成像特点和其特有的局域光学共振现象。
After choosing the characteristic vector, BP network of three layers is structured and trained, discern the faults to the sample, and made a good result.
选取好特征向量后，构建三层BP网络，训练后用其对样本进行故障识别，取得了良好的效果。
Samples drawing by the sampling techniques of Permanent Random Numbers (PRNs) have good characteristic of sample coordination.
采用永久随机数法抽样技术抽到的样本具有很好地样本兼容的性质。
A new sample dissolving method is built for smelting materials of silver and gold based on the characteristic of low sulfer content.
针对金银湿法冶炼物料中含有效硫低的特点，建立了铜测定的快速溶样方法。
The original saturation distribution of reservoirs can be obtained through experimental research on soil-water characteristic curve of reservoir sample and in-situ survey data.
借助储层土体的室内土-水特征曲线并结合现场勘探资料，能够获得气藏初始饱和度分布。
Results The characteristic dots of the medicinal materials were found on TLC chromatogram of the sample, however they were not shown in the negative sample.
结果薄层色谱上均鉴别出制剂和各种药材的特征斑点，空白对照色谱中无此斑点。
In the same geometrical direction of the sample to be registered and its neighboring images, some edge points are first detected as the characteristic points with directional edge-detection operator.
在样本和待配准图像相同几何方向上，先以方向边缘点检测算子检测目标区的数个边缘点作为特征点。
We had a review on sample selection theoretics of near infrared spectroscopy quantitative analysis and compared some methods' characteristic with each other.
本文综述了国内外近年来近红外定量分析样本选择理论的研究状况，对相关方法的优缺点进行了比较。
From this spectrum, one or more low-frequency signal components that are characteristic of the sample being interrogated are identified.
从该谱上识别一个或多个表征该被询问样本的低频信号分量。
In this paper, We give the sample breakdown point of a test for moment estimation of population variance and analyze the asymptotically normal characteristic of the sample breakdown point.
本文给出了总体方差矩估计检验的样本崩溃点，并分析了该样本崩溃点的渐近正态性。
Secondly, a new projection index based on dynamic cluster rule is constructed in the PPDC model, which would finish the sample clustering based on the projected characteristic value.
在一个简单投影指标下，用新的优化途径建立了多元数据分类模型，并将其用于多指标的标准水质分类。
Secondly, a new projection index based on dynamic cluster rule is constructed in the PPDC model, which would finish the sample clustering based on the projected characteristic value.
以投影寻踪理论为基础，利用动态聚类方法构建投影指标，建立了水资源评价的投影寻踪动态聚类模型。
Since the characteristic properties of polymers depend intimately upon the size of the macromolecules present in the sample it is essential to have a method of describing their dimensions.
由于聚合物的性质最初取决于样品中大分子的大小，因此采取一种能描述他们体积的方法是必要的。
Since the characteristic properties of polymers depend intimately upon the size of the macromolecules present in the sample it is essential to have a method of describing their dimensions.
由于聚合物的性质最初取决于样品中大分子的大小，因此采取一种能描述他们体积的方法是必要的。
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