结果表明动态光散射法在超细颗粒粒径测量中有着广阔的应用前景。
It shows that the dynamic light scattering technique is suitable to and has broad application prospects for the measurements of ultrafine particles.
提出了一种新的基于双目视觉和灰度差分的粒径测量方法,并开发了相应的查询系统。
A new particle size measurement technique based on the binocular vision and the particle image gray difference was suggested and a corresponding inquiry system was developed.
讨论了对纳米碳酸钙的粒径测量方法,如:电镜、激光粒度分布仪、沉降体积、筛分法。
The measurement methods of particle size of nano-CaCO_3 including SEM method, laser size distribution method, sedimentation volume method and screening method are discussed.
摘要:建立了以线阵CCD作为探测组件的激光衍射粒径测量系统用于颗粒群直径分布的测量。
Abstract: by using a linear CCD as the detector module, a measuring system for particle size distribution was established by laser diffraction.
消光系统在光脉动法颗粒粒径测量技术中是一个十分重要的物理量,但现有的消光系数处理方法有许多不完善的地方。
Extinction coefficient is a very important parameter in the field of particle sizing technology using optical fluctuation method. But the existing method dealing with it is not perfect.
实验显示该测量方法可以进行颗粒计数和粒径大小的测量。
The experiments verify that this method is capable of detecting micrometer - size particle.
该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method.
本文综合前向小角光散理论及消光原理,提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
通过改用大粒径同位素载体测量吸水剖面,不但可以提高资料的准确度,而且可以更明确地划分吸水层位。
When it is measured with cone-grained isotope carrier, it can improve the accuracy and make a more distinct division of injectivity horizon.
因为纳米颗粒散射光所呈现的光谱是由颗粒粒径决定的,所以在纳米颗粒粒度测量中,单一角度测量只能观测到样品的部分情况。
Because the scattering spectrum of nanoparticles is determined by nanoparticles size, so only part of the sample can be observed at single Angle in measuring nanoparticles size.
提出了能直接测量烟尘和粉尘排放浓度和粒径大小的激光监测技术,具有实时快速、非接触、在线、无需取样和连续测量的优点。
A laser based technique is proposed which is able to measure and supervise the mass concentration and particle size of smoke and dust in emissions.
消光起伏法是一种新的颗粒测量方法,可用来同时测量两相流中颗粒的粒径分布和体积浓度。
Transmission fluctuation spectrometry (TFS) is a new method for particle size measurements, in which the particle size distribution and particle concentration can be measured simultaneously.
用透射电子显微镜(TEM)测量了银纳米微粒的平均粒径。
The mean diameters of sliver nanoparticle are measured by transmission electron microscopy (TEM).
为了测量颗粒粒径,需要做边缘提取。
本文介绍了以朗之万的布朗运动模型理论为依据测量超细颗粒布朗运动与粒径关系的一种新方法。
This paper introduces a new method that measures Brownian movement track and particles size of submicron particles according to Langevin s Brownian movement theory.
通过对比实验考察了添加剂的浓度和洗消时间对其洗消效率的影响,并对雾滴粒径进行了测量。
The effects of the concentration of additives and decontaminating time on the efficiency together with the size of the water mist were experimentally researched.
介绍一种利用光学、电学及计算机接口原理,测量微小粒子的粒径及分布的方法。
The application of optics and electrics technology in small particles measurement was introduced in this paper.
通过对稻壳粉进行筛分,测量了不同粒径稻壳粉的松散堆积密度和振实堆积密度。
By sieving the rice husk particles (RHPs), the paper presents the loose and the tap bulk density of different sizes of rice husk.
根据拍摄结果,分别采用标尺测量、颗粒重力沉降特性和声波夹带特性计算颗粒粒径。
According to the pictures taken, particles diameters are evaluated by gravitational sedimentation, acoustic entrainment respectively, and measured by ruler.
文中提出了一种新的利用声波夹带测量微米级和亚微米级单颗粒粒径的方法。
A new approach is proposed for the measurement of micron grade and sub-micron grade single particle size by the use of acoustic wave entrainment.
采集土壤样品,在实验室进行土壤镭含量、含水量、孔隙度和粒径分布等物理性质测量。
Soil radium contents, water contents, soil porosity and grain size were concretely analysed in our laboratory.
采用WY1型冲击式尘粒分级仪测量各尘源排放粉尘的粉尘粒径分级组成和除尘器的粒径分级除尘效率。
WY 1 in stake Cascade Impacted was used to measure the particle size classification of dusts and the fractional collecting efficiencies of dust collectors.
动态激光光散射测量水分散液粒径及其分布,透射电镜观察粒子形态。
The particle size and distribution of dispersion were measured by dynamic light scattering, The particle morphology of dispersion was observed by TEM.
采用相多普勒颗粒分析仪(PDPA)测量了雷诺数为8500的两相圆湍射流速度场,研究了两种大粒径颗粒对湍流的调制作用。
Two-phase velocity fields in a round turbulent jet with Reynolds number 8500 were measured by phase Doppler Particle Analyzer (PDPA).
分析讨论了不同粒径固体颗粒群的料浆流体力学特性,并在模型反应器中对其悬浮速度进行了实验测量。
The hydrodynamics of slurry flow was studied and the suspension velocity of particle in the model reactors was measured.
粒径的分布具有偏态分布的特点。偏态是对一组分布均匀性测量的统计度量。
Grain-size distribution may be characterized in part by skewness of the distribution. Skewness is a statistical measure of the uniformity of the distribution of a group of measures.
使用限定记忆部分最小二乘算法在线滚动建立平均粒径的软测量模型。
The partial least squares algorithm with limited memory is applied to model the soft senor on-line to predict the average particle size for the PTA oxidation process.
实验结果证实了激光自混合干涉技术结合改进的投影算法测量纳米颗粒粒径的可行性。
The experimental results prove that nano-particle size can be measured reasonably by using the self-mixing effect technique combined with the improved projection algorithm.
实验结果证实了激光自混合干涉技术结合改进的投影算法测量纳米颗粒粒径的可行性。
The experimental results prove that nano-particle size can be measured reasonably by using the self-mixing effect technique combined with the improved projection algorithm.
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