Under a definite gas state parameter and environment condition, the measurement deviation was correlated with the sampling time and the flow rate.
并得出在采样气体状态参数和环境条件一定时,除尘效率的测定误差主要取决于取样时间及流量。
The statistical methods used are general statistical description (such as mean and standard deviation), repetitive measurement deviation analysis, clustering analysis and multiple linear regression.
所用到的统计学方法有一般的统计描述(如均数与标准差),以及重复测量方差分析,聚类分析,多重线形回归等。
How does the standard deviation quantify measurement scatter?
标准偏差如何量化度量值漂移?
You can use it to turn your variance measurement into a standard deviation measurement, as shown in Listing 8.
您可以利用此函数将您的样本方差计算转换为样本标准差计算,如清单8所示。
Unfortunately, the measurement scatter is much higher; for example, the standard deviation could easily be three times larger.
不幸的是,度量漂移量很大;例如,标准差很容易增加到三倍。
Measurement of sample: single sample automatic measuring, measuring the number of times 2, 3, 5, 10, 50 set, measured at the end gives the average value and standard deviation.
样品测量:单样品自动测量,测量次数2、3、5、10、50次任意设定,测量结束给出平均值和标准偏差。
The most common statistic for describing measurement spread (or scatter) is the standard deviation.
描述度量值跨度(或者说漂移)的最常用统计技术是标准偏差(standard deviation)。
Abstract: This paper specifies the meaningfulness and measurement method of rotating machinery alignment and points out the main deviation factors of dial indicator alignment and its control method.
摘要:简述了旋转机械对中的意义和测量方法,指出了百分表对中法的主要误差因素及其控制方法。
See the Standard deviation measurement issues section in the article supplement, which explores this issue.
补充资料的Standarddeviation measurementissues一节解释了这个问题。
Experimental results demonstrate that the proposed vision measurement method of the lateral deviation error can achieve the cm-level accuracy on the general road under the condition of near view.
实车试验表明横向偏差的视觉测量方法在近视野情况下对于一般路面可以取得厘米级的测量精度。
To overcome the shortcomings of traditional measurement methods for lateral deviation error, a new measurement method based on machine vision is proposed.
针对横向偏差传统测量手段的不足,提出了一种智能车辆横向偏差的视觉测量方法。
Itis also discussed the effect of sample purification and operating conditions and the random deviation of measurement.
还叙述了样品净化与操作条件对测量值的影响及测量的随机误差。
This paper specifies the meaningfulness and measurement method of rotating machinery alignment and points out the main deviation factors of dial indicator alignment and its control method.
简述了旋转机械对中的意义和测量方法,指出了百分表对中法的主要误差因素及其控制方法。
The measuring results show that the deviation is about 1% for repeat measurements, and the average error of the measurement is less than 5% for different metal wires.
测量结果表明:该方法多次重复测量的偏差在1%左右,对不同直径的金属丝测量的平均误差小于5%。
The linear measurement principle of flattened diameter of the ocular cornea and the location deviation of the cone prism which is used in the applanation tonometer are introduced.
介绍了用于压平眼压计的圆台压平棱镜进行角膜压平直径线性测量原理及定位偏差分析;
Methods Valid chlorine content measurement method and statistical methods such as standard deviation, and square and root etc in "Technical standard For Disinfection" (2002 version) was adopted.
方法采用《消毒技术规范》(2002年版)有效氯含量测定方法以及标准偏差、方和根等统计学方法。
Deviation measurement of tooth thickness and conical point of straight bevel gear by using steel bail was studied and approached.
对钢球法测量直齿圆锥齿轮齿厚及锥项位置误差检测进行了研究和探讨。
Repeated measurement of chlorhexidine content in 2 kinds of compound disinfectants showed that the relative standard deviation was 3.2%.
对两种复方消毒剂中氯己定含量进行重复测定,相对标准偏差为3.2%。
This paper describes construction method of steel open caisson as well as measurement control and measure of rectifying deviation.
文章介绍了钢板沉井的施工方法及顶管过程中的测量控制和纠偏措施。
The method to count standard deviation of indirect measurement value by using rear-average method was proposed.
对用后均法进行测量数据误差分析加以探讨,提出可以用该法计算间接观测值的标准偏差。
Methods: the source of measurement uncertainty of the colony determination in fishmeal was analyzed and the method of uniting standard deviation was applied to determine the uncertainty of the colony.
方法:分析样品中菌落总数不确定度的来源,采用合并样本标准差的方法来评定菌落总数的不确定度。
The paper offers an analysis of the influence of measuring power circuit of eletremeter internal resistence by half-deviation on the measurement.
本文就半偏法测电表内阻的电源电路对测量的影响进行了分析。
The analysis of measurement data error by using rear-average method was discussed. The method to count standard deviation of indirect measurement value by using rear-average method was proposed.
对用后均法进行测量数据误差分析加以探讨,提出可以用该法计算间接观测值的标准偏差。
The System deviation of the measurement results by using a DL-1500 thermal expansion instrument made by Japanese Vacuum Technique Corporation was analysed in this work.
对日本真空理工株式会社制造的DL- 1 5 0 0热膨胀仪的测量结果的系统偏差进行了研究。
Article 3 When selling commodities, a retailer must use eligible instruments of measurement, and the allowed maximum error shall precede or be equal to the minus deviation of the commodities sold.
第三条零售商品经销者销售商品时,必须使用合格的计量器具,其最大允许误差应当优于或等于所销售商品的负偏差。
The interference of carrier magnetic field to geomagnetic field has been a difficult problem for a long time, which has influence on navigation compass deviation and geomagnetic measurement.
载体磁场对地磁场的干扰,一直是影响导航罗差、地磁测量的技术难题。
The substrate bend induced the deviation of incidence angle that cause the inaccuracy of wavelength measurement and increase the insert loss;
基片的弯曲导致光线入射角度产生偏差,此角度偏差使波长测量不准,插损增加;
Accuracy of the CT method was calculated as the average difference between methods. Precision was measured as the standard deviation of the CT measurement.
以这两种方法间的平均差异来计算ct的准确性,以CT测量结果的标准差评估精确度。
Accuracy of the CT method was calculated as the average difference between methods. Precision was measured as the standard deviation of the CT measurement.
以这两种方法间的平均差异来计算ct的准确性,以CT测量结果的标准差评估精确度。
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