颗粒粒径分布,particle size distribution
1)particle size distribution颗粒粒径分布
1.The inversion ofparticle size distribution from measured (noisy) data of light scattering, as a typical inverse problem, has been studied by many reseachers and solved by several numerical methods.由测量得到的散射光强数据来反演颗粒粒径分布是一个典型的反问题，它已为许多的学者所研究，并用多种数值方法来求解，其中带Morozov偏差原理的直接Tikhonov正则化方法经常被采用，以便用来克服与上述反演相联系的第一类Fredholm积分方程的不适定性带来的困难，因而反演的精度得到了提高；然而仍有许多改进的余地，特别是对于所谓”双峰”问题更是如此。
2.Laser diffraction method(LD method) has been regarded as an effective method of measuring soilparticle size distribution(PSD) in recent years.目前激光衍射法(laser diffraction method,LD)逐步被用于土壤颗粒粒径分布(particle size distribution, PSD)的分析,为了对比LD法和吸管法测定东北黑土区土壤PSD的差异性,采用LD法和吸管法分别对东北黑土区宾州河流域36个土壤剖面不同层次178个土壤样品的PSD值进行了测定与分析。
英文短句/例句
1.Fire Smoke Particle Size Distribution Measurement and Evolution Simulation;火灾烟雾颗粒粒径分布的测量与计算模拟
2.Simulation of Particle Size Distribution in Gas Phase Ethylene Polymerization Fluidized-Bed Reactor;乙烯气相聚合颗粒粒径分布模型的研究
3.RELATIONSHIP BETWEEN THE PARTICLE SIZE DISTRIBUTION OF STEEL-MAKING SLAG AND STRENGTH OF RELEVANT CEMENT钢渣粉的颗粒粒径分布与水泥强度之间的关系
4.Inversion of Particle Size Distribution from Light Scattering Data with Iterative Regularization Algorithms;颗粒粒径分布光散射反演问题的迭代正则化算法
5.Effect of biodiesel on the particle size distribution in the exhaust of common-rail diesel engine and the mechanism of nanoparticle formation共轨柴油机燃用生物柴油的排气颗粒粒径分布及核态纳米颗粒生成机理研究
6.Study on Aerosol Number Concentration, Size Distribution and the Particle Formation and Growth Process;大气颗粒物个数浓度、粒径分布及颗粒物生成
putation of the mean particle size and the particle size distribution based on extinction theory基于消光法求解颗粒系的平均粒径及粒径分布
8.Experimental Study of Particle Distributing Performance on Variable Aperture Particle Distributor变孔径颗粒分布板的颗粒分布性能实验研究
9.Elemental Size Distribution of Airborne Fine and Ultrafine Particulate Matters in the Suburb of Shanghai,China上海市郊区大气细颗粒和超细颗粒物中元素粒径分布研究
10.Research on Measurement Mothod of the Concentration and Size Distribution of Indoor Suspended Particulate Matters室内悬浮颗粒物浓度与粒径分布测量方法研究
11.Size Distribution of Polycyclic Aromatic Hydrocarbons in Aerosol of Guangzhou and Characteristics of EC and OC in Aerosol of Guangzhou and HongKong;广州市大气颗粒物中多环芳烃粒径分布和穗港大气颗粒中有机碳/元素碳的分布特征研究
12.Application of Disc Centrifuge to Determine the Size and Distribution of Colloidal and Subsieved Particles应用园盘离心机测定胶体分散液中固体颗粒和超筛分颗粒粒径及其分布
13.Size distributions of water-soluble ionic species in atmospheric particles at a coastal site in Ireland during summer爱尔兰海岸夏季空气颗粒物水溶性离子粒径分布研究
14.The Size Distribution Characteristic of PM Emitted from Diesel Engine and LNG Engine柴油机和LNG发动机排放颗粒物粒径分布特性研究
15.Seasonal Change and Particle Diameter Distribution in Atmosphere of Three Northeast Cities东北3城市大气悬浮颗粒物浓度的季节变动与粒径分布
16.Size Distribution and Source Apportionment of Atmospheric Particle Number Concentration in Winter in Beijing北京冬季大气颗粒物数浓度的粒径分布特征及来源
17.THE SIZE DISTRIBUTION OF ORGANIC CARBON AND ELEMENTAL CARBON DURING HAZE PERIOD IN GUANGZHOU广州市灰霾期间大气颗粒物中有机碳和元素碳的粒径分布
18.Detection of the concentration and size distribution of indoor inhaled particulate matters室内可吸入颗粒物浓度与粒径分布检测方法的研究
相关短句/例句
size distributions of particles颗粒物粒径分布
3)soil particle size distribution土壤颗粒粒径分布
1.Based on this theory,the fractal characteristics ofsoil particle size distribution under the 12 subalpine coniferous forests in Western Sichuan were studied,and the results showed that the fractal dimension of soil particles in surface layer ranged from 2.本研究探讨了利用土壤颗粒粒径分布的分形维数来定量表征川西亚高山针叶林土壤的特征。
4)size frequency curve颗粒分布粒径曲线
5)particle size distribution颗粒度分布;粒径分布;粒度分配
6)particle distribution颗粒分布
1.Numerical Simulation and Quantitative Assessment of Particle Distribution in SiC/Al-Si Composites;SiC/Al-Si复合材料颗粒分布的数值模拟
2.The CCD image collection and analysis system with mighty function was used in the experiment to attain the orderliness of theparticle distribution and movement.设计了用于气液固三相循环流化床换热器的固体颗粒分布板。
3.The numerical results show:Theparticle distribution of 90 ° bend pipe is optimal,the maximal erosion rate presents to the range of 40 °～ 60 ° w.模拟结果表明:在弯管为90°时,颗粒分布最为理想,最大磨损率出现在弯管中心角40°～60°的范围内,即该区域固粒对壁面的碰撞频率和强度最大。
延伸阅读
炭黑颗粒尺寸分布分子式：CAS号：性质：造粒炭黑的一种性能指标。将一定量造粒炭黑通过一组不同规格的筛子，称取炭黑筛上部分的重量，计算颗粒尺寸的分布。颗粒尺寸分布的变化对炭黑在高聚物中的分散性、散装运输等均有影响。
