unknown sample

Methods: Use the Grating Spectrograph to take photograph of atomic emission spectrum of unknown sample and make quantitative analysis Results: Quantitative determination of trace elements in nutriment.

方法：用平面光栅摄谱仪拍摄未知样品之原子发射光谱图，并作定量分析。结果：测定营养品中微量元素的含量。

The wide size range and high spatial resolution obtained with the multilayer gradient separation are especially important when the method is employed for analysis of an unknown sample without any information available.

利用有梯度分离的宽尺寸分布及高空间分辨率，有利于对没有任何信息未知样品进行分离。

The recombinant gene yeast assay in combination with solid phase extraction of sample and three-step purified fractionation technique for pretreatment can rapidly and effectively screen out and quantitatively analyze the unknown estrogen-like matters in sample, and make evaluation on water treatment effect.

重组基因酵母检测技术结合水样的固相萃取、三步纯化分级前处理方法可以快速、有效地筛选和定量分析水样中未知类雌激素物质，并对水处理效果进行评价。

When an unknown sample is fed into the trained trouble-shooting system, it can produce the best result by means of the bi directional association. Through calculating the subset function between the associated result and the standard pattern, a fault type is determined.

对于未知样本输入，该系统针对每种标准故障模式采用双向联想记忆过程联想出最佳结果，通过计算联想结果和标准模式的子集函数，确定该样本的故障类别。

The rapid and accurate identification of unknown sample using the OMNI-sampling technique of FTIR

用FTIR的OMNI-采样技术快速、准确鉴定未知样品

Based on the use of merging zone circuit and simulating a series of standard solution of uranium in organic phase, uranium in unknown organic phase sample was determined by flow injection spectrophotometry.

使用流动注射分光光度法，以合并带流路模拟有机相铀标准系列溶液，从而求出未知有机相样品的铀含量。

Based on examples, introduces significance of difference test method between sample average and ensemble average in cases of totality submission normal distribution ( variance known of unknown big, small sample) or totality non-normal distribution in education experiment;

结合实例，介绍了教育实验中总体服从正态分布（方差已知或未知，大、小样本）或总体非正态几种情形下样本平均数与总体平均数间差异显著性的检验方法；

If the unknown sample, not a lesson.

如果标本来路不明，就不能以此为鉴。

Some of the most widely used empirical curve fittings have been selected to calculate the unknown sample's concentration values.

选取国内通用的RIA标准曲线拟合方程，用以计算未知样品浓度值。

〔 Methods 〕 inhibitory and appearing color system of O157: H7 selective medium is screened by growth evaluation test of known strain& unknown on-the-spot sample.

〔方法〕利用已知菌种生长评价实验和现场标本实验室评价实验，对出血性大肠杆菌O157：H7分离培养基的抑菌系统和显色系统进行筛选。

Using Charged Particle Activation Analysis ( CPAA), the concentration of oxygen in a thin boron target was determined, and the method of analyzing the thin unknown sample in comparison with the thick standard was studied.

应用带电粒子活化分析法（CPAA）对硼薄膜中的氧含量进行了测量，并对利用厚标样分析薄样品中的元素含量的比较测量方法进行了研究。

The method for obtaining the GC retention parameters of components under temperature programs was studied, so the unknown sample could be transferred to the GC-known sample.

开展程序升温条件下，快速获取复杂环境样品中未知组分气相色谱保留参数的方法研究，将未知样品转化为色谱行为已知样品。

The determination of tetramine and fluoroacetamide using GC-MS method unknown sample was discribed in this paper.

本文采用GC -MS 法测定杀鼠剂产品中是否含有毒鼠强及氟乙酰胺,其方法准确、迅速、可操作性强.

When the unknown sample has one phase more than the given standard sample, the phases of the unknown sample ean be quantitatively analysed by using the standard sample and with the aid of the determined oxygen of the unknown sample.

当未知试样的相组成比已知标样多一相时，可以利用已知标样，并借助于未知试样的定氧数据，分析计算出未知试样的相组成。

The model is good by predicting protein concentration of wheat flour with different unknown sample groups. Its error is less than 1 0.

对不同未知样本进行了预测，结果表明，所建模型具有一定的稳定性，对未知样品蛋白质浓度的测量偏差较小，其最大偏差不超过1.0。

In serial part, face recognition algorithm and gait recognition algorithm are used in turn to identify the unknown sample.

在串行部分，依次使用人脸识别算法和步态识别算法对待识别对象进行识别。

This research can give rough judgment on the thermal conductivity of unknown material as a sample, and ascertain its geometrical boundary condition to fit the experiment so as to improve the metrical preciseness.

本研究可以对未知材料的导热性先给出粗略的判断，然后再确定适于实验的样品的几何边界条件，以提高测量的精确度。

The 1H-NMR, 13 C-NMR spectra of unknown sample were obtained on FT-80 A NMR spectrometer with dimethyl sulfoxide ( DMSO-dg) as solvent.

采用FT-NMR波谱仪，以氘代二甲基亚矾为溶剂，测定了未知结构聚氨酯（PU）弹性体的~1H-，~（13）C-NMR谱。

This method can determine the unknown sample types of groundwater runoff belts by the known samples with their hydrogeologic indexes and types, and is a quantitative method.

该方法可根据某地区已知的水文地质指标和类别，确定待识别样本的类别，为地下水探测提出了一种定量识别方法。

The early-warning model can distinguish the known sample data completely. After the preliminary use, the early-warning model can accurate distinguish almost the unknown sample data.

预警模型对已知的样本数据可以完全判别，在初步使用后对未知样本数据的基本判断准确。

Quantitative real-time polymerase chain reaction is a kind of nucleicacid technology. By adding some fluorescence group in the reaction, we can utilize the fluorescence signal to accumulate and monitor the whole PCR process, and finally through the standard curve, we could analysis the unknown sample.

荧光定量PCR技术是一种核酸定量技术，该技术在PCR反应体系中加入荧光基团，利用荧光信号累积实时监测整个PCR进程，最后通过标准曲线对未知模板进行定量分析的方法。

When trying to identify an unknown substance, the sample must first be simplified as much as possible into its constituent compounds.

当试图鉴别未知物质的时候，首先需要将混合物尽量分离成单一物质。

Applying UV spectrometry to choice a method for assay of unknown sample's bromine index

将紫外光谱用于溴指数测定方法的选择

Through checking the translucent rate of unknown sample, its viscosity can be calculated by linear fitting equation, which will help to provide a new way of viscosity measuring of T/ C product in the textile company.

通过未知样本的透光率，利用所得拟合方程可推算出其粘度值，从而为纺织企业T/C制品上浆剂的粘度检测开辟新的途径。

Peak identification of unknown components in environmental sample by curve fitting quantification

复杂环境样品中未知组分峰的跟踪识别方法

A method of reducing matric effects to make the matric of unknown sample similar to standard sample was introduced.

提出了一种减小基体效应的方法，使待测样品与标准样品的基体非常相似。

Conclusions Anterior acromioplasty has been verified as effective and safe surgical procedure for shoulder impingement syndrome. Besides, applications of nonlinear effect to sample pretreatment and preparative fractionation of unknown components from sample were also presented.

同时也探讨了非线性效应对样品前处理及未知物馏份制备分离的影响与应用。

Third, an approach is proposed to obtain the optimal feature of unknown sample using the selected optimal discriminative independent component.

最后，提出了一种用最佳鉴别独立分量表示待识别样本的方法，克服了用直接投影所得待识别样本特征不准确的问题。