在低水平放射性测量中,建议采用负二项式分布代替泊松分布来描述真实测量计数的几率分布。
In the measurement of low-level radioactivity, instead of Poisson distribution, a negative binomial distribution is proposed to denote the probability distribution of actual counts.
人们一直说那些考试真正检验的是你的考试能力,但是即使它们确实测量出真实的内容,也不过是真实情况中的一小部分而已。
It's been said that what those tests really measure is your ability to take tests, but even if they measure something real, it is only a small slice of the real.
在以前的研究中,宾大研究人员已经证实测量hdl外排能力可能是一个比单独测量高密度脂蛋白(HDL)水平更有效的预防心脏疾病的晴雨表。
In a previous study, researchers at Penn have demonstrated that measuring HDL efflux capacity may be a more effective barometer of protection from heart disease than measuring HDL levels alone.
测量双折射能够做到用“补偿”,校准,毕业于楔这是摆在一系列与实测项目。
Measuring birefringence can be accomplished using a "compensator," a calibrated, graduated wedge that is placed in series with the measured item.
对一个非球面反射镜进行了实测并对测量结果进行插值运算,进而拟合出零件面形的曲线方程。
An aspherical reflector is tested and testing data are processed by the interpolation calculation, then the curve equation of the component surface shape is fitted.
实测表明,振子共振频率的测量值与计算值完全符合。
Experiments show that the resonant frequencies measured agree well with the calculated results.
作者研制了能同时测量汽液两相流动状况的集成化探针,并成功地在电厂进行了实测。
An integrated probe system, which is capable of measuring the flow field of steam and the water droplets simultaneously has been successfully developed by authors.
本文阐述z 12v190 B型高速柴油机连杆静态应力测量问题,提出了实测应力的修正方法。
This article deals with the measurement problems of static stress in the connecting-rod of Z12V190B high-speed diesel engine and proposes a method for correcting these stresses.
本文建议了描述铁氧体加载谐振腔时间响应的状态空间模型和一种新的数字式测量方法,并给出了在模型腔上实测的结果。
A state space model is described, the time response of ferrite loaded cavity is proposed and a new digital measuring method devised. Results of actual measurement on model cavity are given.
用所设计的测量系统实测了标准空气电容器的电压系数,给出了测量结果及不同电压下的不确定度。
The voltage coefficient of a standard air capacitor was measured by the designed measuring system. The results and uncertainties under different voltages are given.
基于小波脊算法,提出了从相量测量装置的实测数据中提取电力系统时变振荡特性的新方法。
Based en a wavelet ridge algorithm, a novel approach is presented for extracting time-variant oscillation performance from data measured by phasor measurement units.
这里对动应变测量系统进行分析,并在实测中验证了该测量系统的功能。
The paper has analyzed the dynamic strain measurement system and verified the functions of it through experiment.
文中讨论了口腔这一特殊的测量环境和一些影响测量精度的因素,在实测中摸索了一些减小误差的方法,最后对测量误差作了分析。
The paper discusses the factors which effect the measurement precision and the special measurement environment in oral cavity, and some methods for reducing errors and error analyses are also given.
讨论了地层倾角和四臂井径测井的测量方法、资料处理以及识别崩落椭圆的原则,并列举出两个不同类型的实测例子。
The measuring method of four-arm diameter log, data processing and the principle of identification of breakout are discussed, and then two different kinds of examples are given.
在第一部分的结尾,分析了数字图像测量系统的理论精度,并用实物检定的方法给出了它的实测误差。
At the end of this part, theoretical accuracy of digital image processing technique is presented with its real accuracy determined by measuring standard objects with known size.
针对轮胎花纹噪声仿真分析结果与实测数据存在差异的问题,进行了室内不同方位轮胎花纹噪声测量试验。
The difference between the simulated tread patterns' noise and the measured value was investigated by measuring the tread patterns' noise at the different indoor places.
实测结果表明,使用该测量系统测得的结果与理论分析结果基本一致。
The measurement shows that the measured results by using the system basically agree with tho theoretically analysed ones.
根据其对系列标准溶液的实测结果,采用A类的评定方法,做出了该仪器测量不确定度评定。
Its uncertainty is obtained based on the measured results of series of standard solutions by Type a evaluation method.
其次,简要介绍了所用的实验装置、实测结果以及进一步提高测量精度的途径。
Then, the experimental equipment, measurement results, and the way of further improving measurement accuracy are introduced briefly.
大量试验及现场实测表明,该测量仪性能良好,能满足目前工程精度要求。
The in-situ measurement results show that its quality is good and can satisfy the precision required for engineering applications.
根据误差的频谱特性,分析了航空矢量测量系统的分辨率,得出了一些对实测飞行有用的结论。
The resolution of airborne vector gravimetry is analyzed according to the error spectrum and some conclusions useful for the flight are drawn.
文中描述了系统的组成,分析了测量不确定度,并给出系统的实测性能。
It includes the description of the system, analysis of measuring uncertainties and experimental results.
实验结果证明这种光谱仪能对光谱辐射进行单次或者连续的实时测量,最后给出了用此仪器对几个典型光源的实测结果。
The result of experiment tests that this spectroradiometer can be used to measure the spectral radiance in single or continuous mode, And the result of several typical luminous source are given.
采用微机控制的电位测量系统和组合电极实测了电流分布规律及其影响因素。
The current distribution and the factors affecting the distribution are determined experimentally with the segmented electrode method and a computer controlled voltage measurement system.
本文以实测结果,介绍了光谱带宽变化对光谱光度测量的影响。
This article by the actual result, introduced the changing of spectrum band width to the spectrum luminosity test affect.
根据集中参数线路模型算法的实测距离,换算成与模型匹配的正序测量阻抗。
The measured distance of the lump parameter circuit model can be converted to the correspondingly matching positive sequence measured impedance.
介绍了新型二次包络环面蜗杆副测量仪的结构、原理及实测结果。
The measuring principle, main structure and measured results of the new tester developed for double enveloping worm gearing are present in the paper.
最后以脉冲氙灯的实测光谱曲线为例,证明该全自动测量系统在实际应用中的可行性。
Finally, giving measured curves of the pulsed xenon lamps as examples, it is shown that the full automatic measuring system is feasible in practical use.
最后以脉冲氙灯的实测光谱曲线为例,证明该全自动测量系统在实际应用中的可行性。
Finally, giving measured curves of the pulsed xenon lamps as examples, it is shown that the full automatic measuring system is feasible in practical use.
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