Diameter distribution of tree stratum reveals truncated normal distribution.
乔木层株数随胸径分布呈现截尾正态分布。
Drop diameter distribution and mass transfer coefficient are briefly introduced.
对滴径分布和传质系数也作了简单介绍。
The problems for pyrolysis are low yield, difficult separation, wide diameter distribution and so on.
聚合法原料来源便宜，缺点是分离困难，收率较低，球径分布较宽等。
Analyze of micrograph and particle diameter distribution present that particle diameter of high-calcium fly ash distributes unequally.
显微图象及粉体颗粒粒径分布分析显示，高钙灰的颗粒分布呈不均质性；
Finally, the particle diameter distribution range of liquor of different varieties was obtained by average diameter analysis software.
最后通过平均粒径解析软件对白酒胶体颗粒进行了粒径统计，得到不同品种白酒的胶体粒径分布范围。
The result shows that the nano-particle surface charge is negative and its diameter distribution is more wide in brush plating solution.
实验结果表明纳米颗粒在镀液中荷负电，其粒径分布较广；
The result showed that the Welbull Distribution was not only suited to diameter distribution of the even-aged pure forest, but also to the multi.
经研究证明，威布尔分布不但适用于同龄纯林直径分布，而且亦适用于复层异龄林直径分布。
The stand diameter distribution of juvenile stand appears an inversed "J"form, and that of the half mature forest approximately a normal distribution.
林分直径分布，幼龄林呈倒“J”型，壮龄林近似于正态分布；
Most skewnesses were positive, most kurtosises were negative, which showed that diameter distribution range of population with middle-diameter timber …
偏度大部分呈正偏，峭度大部分为负值，说明种群直径分布范围较大，中径材占多数。
This experiment was conducted to understand the species composition, diameter distribution, types and decay classes of coarse woody debris(CWD) on the 9.
为对象，分析了粗木质残体（CWD）的物种组成、径级分布、存在形式、腐烂等级。
Current was the primary factor to affect output, but the in-gas pressure is the main factor to affect the diameter distribution of nanometer iron powders.
电流是影响产率的主要因素，而充气压力是影响粒度分布的主要因素。
The method has a simple operation and the low cost raw materials, the prepared iron oxide nanometer particles have the even diameter distribution with a certain magnetism.
该方法操作简便，所用的原材料价格低廉，且制得的氧化铁纳米粒子具有均一的粒 径分布并有一定的磁性。
The drug loading, entrapment efficiency, diameter of nanoparticles and particle diameter distribution, shape and release curve of nanoparticles were investigated in vitro.
对纳米粒的载药量、大小及分布、形态及体外释放等进行了研究。
The population diameter structure can well be described by using nonparametric kernel method based on the sample data without assuming the population diameter distribution.
应用非参数核密度估计方法，可以由样本直径结构很好地描述总体直径结构，而无需假定总体的直径分布。
The average diameter of PA6 fibrils decreased with the increasing draw rate, and the diameter distribution of fibrils became narrow, the mechanical properties were improved.
发现随牵引速度的提高，PA 6微纤的平均直径变小，尺寸分布更均匀，力学性能也随之提高。
The particle diameter distribution of liquid droplets is one of the key factors involved in the technology for making fluid ice from a liquid-liquid circulating fluidized bed.
液滴的粒径分布是液-液循环流化床制取流体冰技术的关键因素之一。
Dispersant system has important effect on stability of polymerization system, the diameter and diameter distribution, porosity and apparent bulk density of resin particles, etc.
分散剂体系对聚合过程体系的稳定性、所形成树脂的颗粒粒径及粒径分布、颗粒空隙率和表观密度等有重要作用。
Study on road dust with grain diameter distribution and mineral composition of various grains in Xi'an demonstrated that road dust mainly existed in grains with a diameter of 30~50 mesh(0.
对西安市路面积尘粒径分布和不同粒径中矿物质量组成的研究表明，路面积尘质量主要集中在30～50目（0。
The biomass of larch plantation of different site conditions and forest ages could be estimated by incorporating the individual tree biomass model and diameter distribution prediction model.
结合单木生物量模型和林分直径分布预估模型可以对不同立地、不同林龄下落叶松林分各组分的生物量进行预测。
The diameter distribution, surface morphology, thermal properties and structure of the microcapsules were investigated by means of laser particle size analyzer, SEM, DSC and FT-IR, respectively.
利用激光粒径分布仪、扫描电镜、差示扫描量热仪（DSC）和傅立叶转换红外光谱仪分别研究了微胶囊的粒径分布、表面形态、热性能和壳结构。
The carbon brick before using and after using in blast furnace has been analysed at lab in this paper. The permeability and pore diameter distribution of carbon brick has been measured respectively.
对使用前后的高炉炉缸炉底炭砖进行了实验室分析研究，分别测定了炭砖的透气度、微气孔分布指标，讨论了炭砖渗铁现象的形成原因。
The microspheres have narrow distribution of diameter, excellent mechanical stability and acid-resistivity.
微球粒径分布窄，具有良好的机械稳定性和耐酸性。
Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.
导管分支丰富，形态自然，分布均匀，管壁光滑，分支导管与上一级导管管径过渡平缓。
During making microcapsule by interfacial polymerization process the effects of the agitation speed dispersant dosage on the size and distribution of microcapsule particle diameter were investigated.
摘要研究了界面聚合法制备微胶囊阻燃剂时，分散剂用量、搅拌速度等因素对微胶囊粒径大小及分布的影响规律。
The paper introduces a new method for measuring the radial intensity distribution and the diameter of the Gaussian beam.
本文提出了一种测量高斯激光束径向强度分布及束径的新方法。
The results showed that mass mean diameter (MMD), and drop size distribution parameter N changed with pressure drop, air velocity, and fuel viscosity.
结果表明，液雾的质量中间直径（MMD）和尺寸分布参数N将随着喷嘴压力降、空气流速、燃油性质而变化；
The distinct characteristic of squeeze casting with larger ratio of height to diameter is (heterogenous) distribution of squeeze pressure.
大高径比挤压铸件成形时的一个显著特征是压力沿着轴向分布严重不均。
The results showed that Y-CTS possessed large specific surface, pore volume, pore diameter and a certain of acidity distribution.
结果表明，Y-CTS复合载体具有较大的比表面积、孔容和孔径，以及一定的酸性分布。
The design parameters include diameter and distribution of the muzzles effect on the load capacity of water cushion belt conveyor were investigated theoretically.
研究了喷嘴直径、分布形式等设计参数对水垫带式输送机承载能力的影响。
With the increase of hydrothermal reaction temperature, the diameter of the particles accreted and size distribution forms inhomogeneous.
随着水热温度的升高，粒子的直径随之增大，而形貌和尺寸的均一性则有所降低。
应用推荐