采用参数模型描述土壤的颗粒大小分布有许多优点。
Describing soil particle-size distribution by parametric models has various advantages.
因此，当成品的颗粒大小分布、残留水份含量、堆积密度和颗粒形状必须符合精确的标准时。
So, when the finished particle size distribution, residual moisture content, bulk density and particle shape must conform to precise standards.
在这五种参数模型中，MVG模型的误差最大，不能精确描述封丘地区壤土类土壤的颗粒大小分布。
The two-parameter MVG model yields the largest errors among the five models, and therefore is not suitable for describing soil particle-size distributions in Fengqiu area.
这一结果对于实际工作中根据风沙土壤颗粒大小分布的分形维数来预测沙漠风沙土壤水分特征曲线具有一定的指导意义。
This indicates that the sandy soil water retention curve can be predicted by the fractal model for sandy soil water retention curve.
因此，当成品的颗粒大小分布、残留水分含量、堆积密度和颗粒形状必须符合精确的标准时，喷雾干燥是一道十分理想的工艺。
Therefore when the distribution of granule size, final moisture, bulk density, granule shape of finished product must be conformed to accuracy stard, the spray drying is an ideal process.
本文运用约化摄动法分别研究了冷尘埃等离子体、热尘埃等离子体、磁化尘埃等离子体和尘埃等离子体晶体中的尘埃声孤波现象，着重考虑尘埃颗粒大小分布对尘埃声波的影响。
In this paper, the effect of dust size distribution for the dust acoustic solitary wave (DASW) in the cold dusty plasma, the hot dusty plasma, the magnetized dusty plasmas and the dusty pl.
另外一些天文学家，比如普林斯顿大学的布鲁斯·德雷恩，他将会研究颗粒本身的大小分布及组成。
Others, like Bruce Draine of Princeton University, will study the size distribution and composition of the grains themselves.
这张地图向我们展示了2010年8月全球悬浮颗粒的分布以及它们的大小比例情况。
This map shows the global distribution of aerosols in August 2010, and the proportion of those aerosols that are large or small.
硫酸钡颗粒大小及其分布的控制是钡地纸生产工艺中的一项重要质量控制技术。
The control of barium sulfate grains sizes and their distribution during the production of baryta paper is an important technique for controlling the product quality.
探讨了颗粒运移沉降对地层伤害的程度和孔隙大小分布分维之间的关系。
The relationship between the fractal dimension of the pore size distribution and the formation damage degree caused by solid particle transport and subsidence is discussed.
实验表明，该方法能准确有效地统计出微囊体颗粒的大小分布等指标。
Experiment shows that this method is feasible and precise to measure size distribution and uniformity of microcapsules.
为了使纳米陶瓷具有优良的性能，必须要有高纯度、化学组成均匀、颗粒大小能满足要求且粒度分布较窄的纳米陶瓷粉体作为原料。
In order to possess these excellent characters, nano-ceramic particles must satisfy high purity, well-distributed chemical component, proper granule size and narrower distribution.
煤的显微组分、矿物质类型、颗粒大小和分布以及煤种的显微构造等物理参数是决定煤可磨性能的重要因素。
Some physical factors such as the macerals, the type, size and distribution of mineral matters and the microcosmic tectonics are very important for HGI.
土体颗粒和孔隙分布直接影响土体渗透性大小。
The distribution of soil grains and pores in soil mass directly influence the permeability of soil mass.
胶体颗粒和超筛分颗粒的物理和化学性能时常与其颗粒的大小和分布有关。
The physical and chemical properties of colloidal and subsieved particles often depend upon their particle size and its distribution.
在模拟的过程中考查了油滴粒径分布、流速大小、颗粒群等因素对油水分离效果产生的影响。
In the simulation process, the factors such as the diameter of the oil particles, velocity magnitude of flow, and particle group were considered.
畸胎癌的颗粒呈圆形或卵圆形、欠规则、边界欠清、大小较不一致，偏中或散在分布于核内。
In the malignant teratoma, the shape was irregular with unclear boundary and uneven size, setting in the near center or scattered in the nucleus.
砂砾石填料的渗透特性与颗粒的形状、大小及分布特征关系密切。
Permeability performance of rockfill is closely related to the particle shape, particle-size and its distributing characteristics.
颗粒群的几何特性，即颗粒大小、粒度分布和颗粒形状。
The geometrical nature of particles, that is. it is the particle size, the particle size distribution, and the shape of particle.
客观真实地反映颗粒大小和粒度分布是一项非常重要的工作。
It is so important to reflect particle size and distribution objectively and actually.
应用DTA热分析仪、颗粒度分析仪和X光衍射仪研究分析了粉末的热分解特性、颗粒大小和分布以及相组成。
Phase ratio, particle size and thermal analytical character of the powder have been studied by DTA, particle size analyzer and X-ray diffraction.
用沉降容积比，颗粒大小及分布，滴定曲线，初步稳定性考察制剂的质量。
The quality of the suspension was characterized by measuring its sedimentation volume, size distribution, titration profile and stability.
结果表明，在细观结构下，复合推进剂中的应力分布是不均匀的，推进剂一般首先在极区产生脱粘，颗粒的大小对推进剂的力学性能有较大影响。
The results show that the stresses are inhomogeneous in the composite propellant and debonding cracks are usually generated in the pole of propellant. The particle size has great effect on them…
基于光散射原理，提出了一种新的测量颗粒粒径大小及分布的方法。
Based on the light scattering principle, a novel method for particle size analysis is presented in this paper.
非成熟型和成熟型肥大细胞面积有显著性差异（P< 0 0 1） ，其胞浆内颗粒的大小、数量及分布区域均不同。
There was significant difference between the sizes of mature and immature mast cells (P<0.01) and also the sizes, amount and distribution of the plasma granules within these two mast cells.
聚合物对颗粒的大小、分布、胶质稳定性和磁性等方面的影响已经被广泛地研究。
The impact of polymer concentration on particle size, size distribution, colloidal stability, and magnetic property has been extensively studied.
相反，大小分布和颗粒物的分形维数的反冲洗水在确定特定的滤饼阻力和渗透率更重要。
On the contrary, size distribution and fractal dimension of particulate matters in backwash water were more important in determining specific cake resistance and permeability.
相反，大小分布和颗粒物的分形维数的反冲洗水在确定特定的滤饼阻力和渗透率更重要。
On the contrary, size distribution and fractal dimension of particulate matters in backwash water were more important in determining specific cake resistance and permeability.
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