查询词典 sample method

The method to control the sample's precision and accurateness in water quality analysis through mean value-different value control figure is introduced.

介绍了如何采用均值—差值控制图来控制水质分析中样品的精密度和准确度的方法。

The contents of trace elements of Ag, Cu, Zn, Fe, Pb, Sb and Bi in gold foil were determined directly by ICP-AES method and the gold content of gold foil was calculated. The authors obtained optimal working parameters of the instrument and studied the selections of power in analytic conditions and analytic curve, the optimization of the pressure of nebulizer as well as the influence of lifting capacity of the sample.

摘 要：研究了ICP-AES法直接测定金箔中的Ag、Cu、Zn、Fe、Pb、Sb、Bi微量元素，通过差减法计算出金箔的含金量，确定了仪器最佳工作参数，研究了分析条件中功率的选取、分析线的选择、雾化器压力的优化、样品提升量的影响，并对金箔中Au基体可能存在的干扰等进行了探讨。

The mathematical model was verified in experiment with the method of indirect squeeze cast Archimedean spiral proof sample. And the experimental results show that the maximum deviation between the theoretical value and measured value is less than 8%. This model can be used for quantitative analysis and estimating effects of the craft factors on the filling ability, and can also predict the maximum filling length. It has the important reference value to design the semi-solid alloy rheoforming technology and mould.

采用间接挤压铸造阿基米德螺旋线试样的方法对该数学模型进行了实验验证，实验结果表明：理论计算值与实验测定值之间的最大偏差小于8%；该数学模型可以定量分析和估算工艺因素对充型能力的影响，并可预测充型极限长度，这对半固态合金流变成形工艺设计和模具设计都有参考价值。

The method of area ratio,the area of a circle in sample plot to the whole area of the circle, in which the distributing point is the center and the scale distance is the radius,is defined as the weighted coefficient of edge correction in this paper.

将边缘效应的权重值定义为以分布点为圆心，尺度距离为半径作圆，圆在样地内的面积部分与整个圆面积之比。

Material and method the acidity in 1.1 principles breast is main with lactic acid plan, consult the method always determines acerbitily in soy, with acidity plan indicates terminus, the color of sample does not have an influence to its. Solution of amortize of standard of mixture phosphate of 1.2 reagent and instrument ①(when 20 ℃ PH is 6.88)[2] : Approach?.40 G is in in 105 ℃ oven in the KH2PO4 of stoving 2 H and water of Yuchun of 3.55 GNa2HPO4 dissolve, attenuant to 1 000 Ml.

为了克服国标中的缺点，采用酸度计法并给出计算结果的公式。1材料和方法1.1原理乳中的酸度主要以乳酸计，参考酱油中总酸的测定方法，以酸度计指示终点，样品的颜色对其无影响。1.2试剂和仪器①混合磷酸盐标准缓冲溶液(在20℃时pH为6.88)[2]：称取3.40 g在105℃烤箱中烘干2 h的KH2PO4和3.55 gNa2HPO4溶于纯水中，并稀释至1 000 ml。

It can identify the denomination and paper currency and seek out deformity. Concerning shortages of the previsions design of Paper Currency Identification Instrument, such as poor seeking-out deformity and defective unity of paper currency between new version and old one, a new identifying method is promoted in the thesis that Eight-line Seeking-points Method based on regional gray scale and paper currency sample database is on service by means of the points from paper-scanned background edge looking for the points on the paper edge.

本文针对当前国内图像识别技术在纸币清分机中的应用不成熟而导致对人民币挑残能力弱、在人民币新旧程度和面向分类中的一致性差的情况，提出了一种基于区域灰度特征提取的八线找点算法和区间估计建立标准样本库相结合的图像识别方法。

This text not only pay attention to an usage of settle research method, sample 33 primary schools,10 high schools within the scope of whole province, and adopt the research method of the fixed amount inquisition, commence to nonages questionnaire, the idea is understanding province in Heilongjiang a nonage to thought the morals condition, making to settle research and fixed amount to investigate two kinds of research methods to look after each other, trying hard for science of the thesis with careful, fill up this aspect of domestic by period of research blank.

本文不仅注重定性研究方法的运用，在全省范围内抽取33所小学、10所中学，而且采用定量调查的研究方法，对未成年人问卷调查入手，意在了解黑龙江省未成年人思想道德状况，使定性研究和定量调查两种研究方法互相照应，力求论文的科学与严谨，以期填补国内此方面的研究空白。

The proposed method and artificial magnetic separation method were used for the determination of magnet iron in a standard sample of iron ore.

方法快速准确，操作简便，已用于铁矿石中磁性铁的日常检测，获得了满意结果。

Methods According to the BPC reference method recommended by International Council for Standardization in Haematology, we enumerated platelets in the processed whole blood sample and calculated the uncertainty in this process by method of variance analysis. We use the evaluation methods of measurement uncertainty according to ISO guideline Expression of Uncertainty in Measurement.

参照国际血液学标准化委员会推荐的BPC参考方法计数处理过的全血标本中的血小板，并利用相关实验数据和文献资料，按照国际标准化组织《测量不确定度表述指南》文件中有关测量不确定度的评估方法，采用方差分析法，计算BPC过程中的不确定度。

Method］ Take foramen magnum resin D101 to separate polysaccharide from the zymotic fluid of Cordyceps mycelium, the phenol-SO2 method to measure polysaccharide in sample.

因此，从20世纪70年代起，人类就开始利用现代生物发酵技术培育虫草菌丝体［1］来代替天然虫草，但，目前对虫草菌丝体发酵液的开发利用，国内外还是鲜有报道。

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。