颗粒分析

Microscopic image analysis method is suitable for gradation analysis of small quantity of soil particles which can not be tested through densimeter method.

在反滤系统渗透稳定性的研究中，提出采用数码显微镜和图像分析软件测定渗透流失土颗粒级配的方法。

The influence of non-uniform flow and particle density distribution on the simulation results was discussed.

分析了流体的非稳态流动及颗粒的密度分布对模拟结果的影响。

Using the apparatus of high stress and high hydraulic pressure developed by author, a series of tests was carried out, and the expressions of dewater consolidated settlement with hydraulic pressure and coefficient of permeability with efficient stress was obtained.

通过自行设计的高应力、高水压试验装置，进行了一系列的试验，获得了疏排水沉降量与水压变化、渗透系数与有效应力之间的关系表达式；首次对回归系数的主要影响因素从颗粒级配的特征粒径和特性参数入手，进行了系统的分析；得到了压缩模量与水压降的正相关关系式；提出了一种简便、易行的先期固结压力的确定方法，并对深土力学特性进行了初步研究；推导了各种边界条件下Terzaghi 和Biot 固结理论的水头及沉降量的解析解或半解析解；编写了隐式差分

The stress field of diamond reinforced porous metal matrix composites are simulated using the model under the shear load.

数值分析了以金刚石为增强颗粒的多孔金属结合剂复合材料在横向剪切载荷下的应力情况。

Both theoretical and experimental results show that compaction properties and heating rates do not alter this linear relation, but influence the slope of the linear relation, and therefore it is concluded that large dihedral angle, high green density, narrow particle and pore size distributions are beneficial to the achievement of the grain size-density trajectory with promoted densification and minimized grain growth.

理论分析和实验结果表明，成型体性质不改变这一线性关系，但可以改变直线的斜率，而升温速率对直线斜率的影响不大。较大的二面角、较高的素坯密度、较窄的颗粒和气孔尺寸分布有利于获得较小的晶粒生长和较高的烧结密度。

We get the vary rules of mechanics character, study the dilatability and fractal characters of shear surface, analyzed the distortion manner of different kinds mixture, we build the forecast model though test results, while the results are generally same by different test ,so we can use the model to preestimate the mechanics index of mixture quickly.

本文通过试验研究了土石混合料力学特性随岩性、含石量、密实度及颗粒最大粒径等影响因素的变化规律，分析了土石混合料的剪胀性能、剪切面的起伏特征和分形特征、土石混合料的剪切变形破坏方式，经比较现场试验、室内试验及数值模拟的结果基本一致，并依据试验结果建立了不同类别土石混合料力学特性指标的预测模型，可通过模型快速预测不同类型土石混合料的力学特性指标。

And expression of HBsAg was developmental regulation and sexual dimorphism. Hepatitis B virus DNA was detected in serum of transgenic mice by serum DNA PCR and real-time PCR.

对小鼠血清DNA进行PCR和real一time PCR分析发现，转基因小鼠血清中存在HBV DNA，其含量达到临床患者阳性标准，表明转基因小鼠中整合的HBV基因组DNA可复制包装成病毒颗粒并分泌入血。

Keywords Moving bed;Particle flow;Discrete element method;Statistical analysis

移动床；颗粒流动；离散元模型；概率分布分析

The results of experiments and analysis shown that the clay mineral is mainly gerundive, montmorillonoid is little, but a great quantity of sodium-ion in gerundive soil and larger pH make the soil as well as montmorillonoid which is intense dispensability, These are two keys for the soil to disperse.

试验和分析结果表明，土样中的粘土矿物主要以伊利石为主，蒙脱石含量较少；伊利土中含有大量的钠离子，使得伊利土象钠蒙脱土一样具有强分散性；pH值较高，使得土壤颗粒之间的净势能表现为斥力，这也促使土样土样产生分散性。

The elemental composition of fly ash and the heavy metals distribution was studied by using energy dispersive X-ray spectroscopy.

介绍了用于X射线能谱分析的飞灰颗粒表面和断面样品的制作方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。