密度计

A simple, practical fluxmeter for measuring the heat-flux in pulverized-coal furnaces was developed at the begining of this work.

文中首先研制了一种简易、准确的辐射式热流计，可用于煤粉炉炉膛内辐射热流密度的测试。

Empirical relationships between them are fitted and then the computation formula of vegetation resistance is derived.

拟合粗糙度与植物高度和密度的经验关系式，进而得出了植物阻力的计算式。

On the other hand this dissertation develops a numerical model to calculate the Q-V characteristics of fast impulse corona, which is based on the relation to the interelectrode voltage, density of space charge and field intensity in corona region.

在计算方面，给出了冲击电晕特性的计算模型，该模型以电晕电极周围的电场强度、空间电荷密度与极间电压之间的宏观联系为基础，从时间和空间上将电晕发展过程离散化，可计及多层不同极性空间电荷的产生与变化，模型的待定参数由若干实测数据加以拟合。

The Sonometer includes two bridges and ten wires, two each of the following diameters and linear density

振动频率计包括两个桥臂和十根金属丝，每两根具有如下的直径和线密度

Abstracts The effects of fixation with paraformaldehyde or glutaraldehyde and preservation with liquid nitrogen on cell size, density, phycoerythrin fluorescence value (FL2) and chlorophyll fluorescence (FL3) of picoplanton cells were studied by using flow cytometry.

摘要以流式细胞计为海洋微微型浮游生物的分析工具，研究了醛类固定剂的固定、液氮贮存对于微微型浮游生物的细胞大小、密度、藻红素荧光值(FL2)和叶绿素荧光值(FL3)的影响。

Bayesian method is used to calculate the posterior probability density function of the parameters for the model, and then Monte Carlo method is used to sample the model for getting the estimated values of the parameters.

采用贝叶斯方法计算出模型参数的后验概率密度函数，通过蒙特卡罗方法时其进行采样来获得参数的佑计值。

Rna - Rns, see "Partitioning of net radiation", for multiple plants the fraction of radiation to each plant is calculated in the radiation section, see "Partitioning of radiation between plants", es is the vapour pressure at saturation, ea is the actual vapour pressure,ρa is air density, cp is the specific heat of air at constant pressure, Lν is the latent heat of vaporisation,Δ is the slope of saturated vapour pressure versus temperature curve,γ is the psychrometer "constant", rs is an "effective" surface resistance and ra is the aerodynamic resistance.

潜在蒸腾量 Etp 根据Monteith(1965)给出的彭曼联合方程形式计算：式中： Rn 为对于蒸腾的有效净辐射量(也就是 Rna - Rns ，见"净辐射划分"-Partitioning of net radiation，对于多重植被，每一株植物的辐射比率的计算见辐射一节的"植物间的辐射划分"Partitioning of radiation between plants)； es 为饱和水气压；ea 为实际水气压；ρa 为空气密度； cp 为常压下的空气比热；Lν为汽化潜热；Δ为与温度曲线饱和水气压关系曲线斜率；γ为干湿球湿度计"常数"；rs 为"有效"表面阻力；ra 为气动阻力。

Four-wavelength reflectometry can be used in human infants to estimate MP density.

使用4-波长反射计测量婴儿的黄斑色素密度值。

White noise is ideal signal, its power spectral density is constant.

白噪声是一种理想的信号，该信号具有功率谱密度为一常数，是测试地震计频率特性的一种理想信号。

Obtained the calculation formulas of stripe—pillar size of two and three dimension in the pillar containing joints by analysing it. Studied the effect of joint trace, angle, density and tension strength on the stability of stipe—pillar. Obtained the upper—limit value of joint angle that has no effect on the stability of stripe—pillar.

通过对含节理煤柱的分析，获得了含节理煤柱的二维、三维条带煤柱尺寸计算式，分析了节理迹长、倾角、密度、抗拉强度对条带煤柱稳定性的影响，获得了节理对条带煤柱稳定性无影响的节理倾角上限值。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。