相对偏差
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比例因子随机误的期望估计值E(e~η)基本上是无偏的,同时其相对偏差(RD)值均低于0.5%。
E ( e ~ η) is estimated more accurate , and relative deviation was under 0.5 % .
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研究结果表明,除Pb、Mn较差外,微分光谱模型的估测效果均较好,相对偏差大多低于15%。
The findings indicated that , except Pb and Mn , the differential spectrum model has good estimating effect , the relative deviation mostly is lower than 15 % .
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基于色标点的相对偏差,由控制器和PLC调节各个印刷轴的位置来实现套准。
Basing on the warp , controller and PLC adjust each press axial to achieve guidance .
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测定含氟1.03μg/ml,5.07μg/ml的牛血清游离氟成分标准物质相对偏差为4.16%和1.05%。
The relative deviations of measuring free fluoride of certified reference material in cattle serum are 4 . 16 % and 1 . 05 % .
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采用所设计的微型CT系统对有机玻璃标准样品进行了三维重建,结果表明该微型CT系统具有较高的精度,重建相对偏差在0.6%以内。
The micro-CT system is used to reconstruct a Lucite sample first and the result shows that the system has a high precision , the relative error of reconstruction is under 0.6 % .
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为验证量热计的准确度,选用标准物质TiO2进行测定,实验15次,相对偏差为0.98%。
The standard substance TiO2 was selected to verify the accuracy of the calorimeter . 15 runs were conducted , with an average deviation of 0.98 % .
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结果除检测系统3、4的AST结果,检测系统1、2、3的CK-MB结果与比较方法的系统误差或均值处的相对偏差不能被接受外,其余项目测定结果的偏差临床可以接受。
Results Except AST of system 4 and CK-MB of system 1,2.3 , which bias were not acceptable , the rest items were clinical accepted .
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蒸发焓ΔHvb和沸点Tb估算的平均相对偏差分别为0.962%和1.40%。
The average percentage deviations of vaporization enthalpy Δ H_ vb and boiling point T_b estimation were 0.962 % and 1.40 % respectively .
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本文应用ICP法测定了桦树叶中的微量元素十七种,各元素相对偏差为1.6~7.1%,回收率为92.3~106.9%,获得了令人满意的结果。
Determination of 17 trace elements in Betula Platyphylla Suk . leaf by ICP . The recoveries are in the range of 92.3 ~ 106.9 % , the RSD is 1.6 ~ 7.1 % .
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结果给出了等效体模的散射修正系数,并计算了两种模拟事故情况下的重要器官的剂量,和它们与TLD法测出的剂量值间相对偏差。
Results Scattering correction coefficient of equivalent phantom was given . Absorbed doses of two simulating accidents and relative variance of absorbed dose measured by TLD method and by Sievert method were calculated .
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在水氡观测仪器标定中,关于标定K值的使用方法,《规范》规定:当新&原K值相对偏差小于5%时继续延用原K值。
The use of the K-values of an instrument for ground-water radon content observations before and after a calibration is stipulated in the 《 Standard 》 as follows : the old K-value remains in use when the difference between the old and new K-values is less than 5 % .
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用户请求调度的判定问题实际上属于NP完全问题,本文提出共享负载的流媒体代理服务器协作在线算法,并对在线算法与最优解的相对偏差进行讨论。
The judge of customer request is the NP completion problem . The article puts forward a streaming media proxy server of load sharing coordination on line algorithm and discusses the relative deflection of on line algorithm and best result .
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16个体系的临界温度Tc,临界压力pc和临界密度ρc的计算值和实验值之间的平均相对偏差(ARD%)分别为044%,131%和101%。
The average relative deviations ( ARD % ) of critical temperature T c , critical pressure p c and critical density ρ c between the calculated results and the experimental data for 16 systems are 0 44 % , 1 31 % and 1 01 % , respectively .
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该传感器在电流有效值0~1000A的范围内进行了实验,实验结果表明其线性度相对偏差在±0.2%以内。
A test is performed according to the measured values of ac rms current up 1000A . The results illustrate the relative deviation of the system is within ± 0.2 % .
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在所有的校正模型中,原始谱图经过二阶导数和偏最小二乘(PLS)处理,20个外部样品用于所建模型的验证,实际和预测的平均相对偏差5%。
Partial least square ( PLS ) was used as the calibration algorithm . About 20 randomly selected validation samples were used to test the prediction accuracy of the calibration model . The mean relative deviation between predicted values and measurements was less than 5 % .
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采用RangeKuta法对模型进行计算,处理能力6kt/a的中试液固磁稳定床反应器的模拟结果与实验结果的平均相对偏差为13.2%。
The model was calculated with Range-Kuta method . A pilot plant of magnetically stabilized bed reactor with the capacity of ( 6 kt / a ) was simulated , and the simulative results fitted the experimental results well with a mean relative deviation of 13.2 % .
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与第一代丰度仪相比较,在相同技术指标下,被检测的元件长度从2.5m增加到4m,检查速度从75mm/min增加到250mm/min,并能区别丰度相对偏差±10%的单个混料芯块。
Compared with the first generation of device , under same specifications , the tested length of fuel element is increased to 4 m from 2 . 5 m and the testing speed is increased to 250 mm / min from 75 mm / min.
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检测器的基线飘移为0.1毫米/小时,测量精密度的相对偏差小于5%,测量准确度的相对误差小于10%(在1~10ppm范围内)。
The drift of the base line is Jess than 0.lmv/hr . The relative deviation of the measurement is less than 5 % in the range of 1-10 ppm .
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利用电位法对D354弱碱性阴离子交换树脂吸附有机酸的固液吸附体系的吸附行为进行追踪,实验相对偏差小于4%,符合固液吸附体系的实验要求。
The adsorption behavior in a solid-liquid system was traced by potentiometric method , the relative deviation was less than 4 % , which was in accordance with the experimental requirement of solid-liquid adsorption system .
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光密度读数的平均相对偏差为4±3%。
The average relative mean deviation was 4 ± 3 % .
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对预测集样品预测平均相对偏差为3.2%。
The average relative deviation of the predication set was3.2 % .
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并用半经验模型对数据进行了拟合,拟合值与实验值有较好的吻合性,平均相对偏差处在5~30%之间。
The experimental data were correlated using a semiempirical model .
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平均相对偏差一般不大于10%。
Average relative deviation is less than 10 % .
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测量浓度结果最大相对偏差为16%。
The maximum relative deviation of the concentration measurement results is 16 % .
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与中性物标记法相比,相对偏差在2.5%以下。
The relative errors compared with neutral marker method were all below 2.5 % .
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控制变量的相对偏差示值进回程相对误差
Relative deviation of controlled variable relative tolerance between forward and backward in indicating value
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对应于递减和递增路径,存在着相当大的相对偏差。
The relative differences for the decreasing and the increasing turbulent path are quite high .
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同时采用了平行双样相对偏差表,监控实验过程的精密度,收到了令人满意的结果。
The analytical precision can be supervised by use of parallel twin samples relative deviation chart .
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控制变量的相对偏差
Relative deviation of controlled variable
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将测定的结果与原子吸收法比较,相对偏差≤±3%。
Compared with atomic absorption spectrophotometry ( AAS ), the relative deviation is less than ± 3 % .