Knowing both its size and its mass, he wasthen able to calculate its density, and thus make a plausible guess about itscomposition.
知道了它的大小和质量，并能求出密度，进而可对其成分进行估测。
When coating surface resistivity test on a longer pipeline is conducted, the pipeline can be divided into several sections to calculate it with polarization potential and current density.
在对长管道的涂层面进行电阻率测量时，可将管道分成若干段，通过极化电位和电流密度对涂层电阻车进行计算。
On the basis of data processing, we analyze the power spectrum density of coordinate component noise at each site and calculate the spectral indexes manifesting the noise property of each component.
在对数据进行清理的基础上，分析了各站坐标分量噪声的功率谱密度，计算了表征各分量的噪声特性的谱指数。
There was several kinds of methods to calculate carbon nanotube's phonon spectrum and the vibrate density of states.
关于碳纳米管的声子谱及振动态密度的计算方法有好几种。
The result was a remarkably accurate estimate of a parameter called the gravitational constant, and from that Cavendish was able to calculate the density and mass of the earth.
测量结果惊人的准确，他测出了万有引力恒量的参数，在此基础上卡文迪许计算地球的密度和质量。
The models are applied to calculate the integrated electron density and NO2 chemiluminescence in the wakes.
该模型用于化学非平衡尾流积分电子密度与NO_2化学发光辐射等参数的计算。
A set of formulas has been developed to calculate the atmospheric temperature, density, pressure, the speed of sound etc. of Standard Atmosphere 1976.
本文给出了计算1976标准大气表中温度、密度、压力、音速等诸参数的数学表达式。
GOOGLE did not resemble YAHOO and MSN taking seriously so to keyword density, but one of elements that also calculate influence rank.
GOOGLE对要害词密度并没有像YAHOO和MSN那么重视，但是也算影响排名的因素之一。
And using the powder trace method to determine the field rat density and calculate the deratization effect.
用粉迹法测定现场鼠密度，计算校正灭鼠率。
Methods the immunohistochemical staining was used to show the positive fibers of CGRP-IR and calculate the density of CGRP-IR fibers in myocardium of rats.
方法用免疫组织化学法显示大鼠心肌内的CGRP鄄IR纤维，计算其分布密度。
Geochemical pyrolysis-FID Logging can measure the total hydrocarbon contents, estimate oil density, and calculate oil saturation when combine with reservoir porosity and rock density.
热解地化录井可以检测储集层含油气总量，推算原油密度值，结合储集层孔隙度值和储层岩石密度，经过换算可得出含油饱和度。
And based on the fire load density of the combustible and combustibility of decoration material, calculate the value of fire increasing modulus.
根据可燃物的火灾荷载密度和装饰材料的燃烧性能确定火灾增长系数的值。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
Cranium of mice was sheared and the hippocampal tissue was taken out. Numbers of nerve cells in CA1 and CA3 area were calculated under the microscope to calculate the density of nerve cell.
剪开颅骨，取出海马组织，在显微镜下计量CA1和CA3区的神经细胞数，计算出神经细胞密度值。
In a certain given gravity survey area, it is unreasonable to use the united density value to calculate the Bouguercorrection values of the whole area.
特定的重力勘探区，用统一的密度作布格外部改正有一定的不合理性。
Based on the principle of pole density statistics, and by applying the three-dimensional statistical method, the space analytic geometry is adopted to directly calculate the included Angle.
以极点密度统计原理为基础，采用三维统计方法，由空间解析几何直接计算统计夹角。
Fuzzy integral is one of the ways to combine classifiers, but how to calculate the fuzzy integral density is a problem which remains unsolved.
但是对于模糊积分，如何计算模糊积分密度是一个尚未解决的问题。
If probability density functions of stress and strength are definite, stress strength interference model can be used to calculate reliability using formulation or numerical value integration.
应力、强度概率密度函数确定可采用应力-强度干涉模型，用公式或数值积分求可靠度。
In summary, group contribution method and MD simulation can properly calculate the properties of high-density fuel. They may providing a guidance for fuel design and synthesis.
本文研究结果表明，基团贡献法和分子动力学模拟能够较准确地计算高密度燃料的各种物性，可以为高密度燃料的设计及合成提供预测和指导。
Method: With defined daily dose (DDD) as the unit, the data of drugs used in a hospital from 2006 to 2010 were collected to calculate and analyze the antibacterial use density (AUD).
方法：收集该院2006 ~ 2010年住院患者抗菌药使用记录，以限定日剂量(DDD)为单位，计算抗菌药使用强度(aud)并进行分析。
This ship oil discharge monitoring and control system can measure signals of oil density, flow and ship speed by sensors and calculate instantaneous oil discharge rate and total oil discharged.
所研制的排油监控系统能够通过传感器来测取油份浓度，流量和船速信号，并经计算机计算出油量瞬时排放率和排油总量。
The analytical solutions to 1D Schrdinger equation (in depth direction) in double gate (DG) MOSFETs are derived to calculate electron density and threshold voltage.
推导了双栅MOSFET器件在深度方向上薛定谔方程的解析解以求得电子密度和阈电压。
The Bayesian solution to the problems of target tracking is essentially to calculate the exact posterior density.
用贝叶斯方法求解目标跟踪问题，实质就是求状态的后验概率密度。
The Bayesian solution to the problems of target tracking is essentially to calculate the exact posterior density.
用贝叶斯方法求解目标跟踪问题，实质就是求状态的后验概率密度。
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