本文介绍了精煤灰分在线测量系统的基本原理，提出了解决散密度对测量影响的方法。
This paper introduces the basic principle and basic composition of on-line measurement system for fine coal ash. The methods are put forward for solving the effect of bulk density on measurement.
跳汰机床层某一位置的散密度、真密度、灰分、各密度级含量等床层参数之间存在着一定的相互关系。
At a specific layer of a jig bed, its parameters as bulk density, true density, ash content, and density fractions bear a certain relationship.
农场里的家畜长时间在室外散养，养殖密度低，但是二十世纪以来情况发生了显著的变化。
Farm animals were long raised outdoors in relatively low concentrations, but that changed dramatically in the 20th century.
从激光束的能量密度、瞄准光轴与激光束光轴的失调度、激光束的束散角三个方面论述某型激光照射器增程照射的可行性。
The paper discusses, on energy density of laser beam, emanative angle of laser beam and malajustment degree of laser beam′s axes, the feasibility on adding irradiation of a certain laser irradiator.
针对表面接枝二分散聚合物与溶剂的混合体系建立了描述聚合物平衡态密度分布的自洽场理论。
The density profiles in a mixture of bidisperse polymer brushes and solvent are simulated with the aid of a self-consistent field theory.
由质量守恒定律，质量密度增量来自未挠动的质量密度的散度和位移矢量场。
According to the law of mass conservation the incremental mass density can be inferred from the divergency of the scalar unperturbed mass density and the vectorial displacement field.
病灶为大片低密度影内可见散在、分布不均匀的斑点或斑片状高密度影，有程度不一的占位效应。
Focuses had sign of the patch shaped low-density areas and high-density plot area scattered in them. They all had mass effect in different degree.
弹性条件下的拉伸速率和由于压实作用而不断变化的沉积物密度满足一定的散度方程。
The stretching rate and the density of sediments which is continuously changed due to the pressure of overlying deposit under the elastic conditions can be described by certain divergence equation.
结果表明，破损面积、交流干扰电压、土壤电阻率、防腐层电阻率对交流杂散电流密度具有显著的影响。
By using CDEGS software, the distribution law of the parallel length, current rate, distance, soil resistivity and other aspects of AC interference along the pipeline was studied.
结果表明，破损面积、交流干扰电压、土壤电阻率、防腐层电阻率对交流杂散电流密度具有显著的影响。
By using CDEGS software, the distribution law of the parallel length, current rate, distance, soil resistivity and other aspects of AC interference along the pipeline was studied.
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