The number distribution of diameter grade obeys normal distribution.
雷竹株数按径阶分布服从正态分布。
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。
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。
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。
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；
The flow distribution capacity of distributors is most important, especially for tower with large diameter, shallow bed or low pressure drop.
特别是对于大直径、浅床层、低压降的填料塔，分布器的流场均布性能尤为重要。
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 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 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。
By the mass-weighted average, the distribution function of volume, area and diameter for graphite particle were obtained.
通过质量加权平均，给出了石墨粉尘的体积、面积和直径分布函数。
Based on the relation of the light energy distribution and the particle diameter, the particle diameter is obtained quickly by data processing with mathematical iterative and computer technology.
根据散射光强分布与固体微粒直径的关系，用数学迭代法结合计算机技术对数据进行处理，快速获得固体微粒直径大小。
If the grain size distribution of suspending liquid at inlet is identical, the change of inlet pressure and underflow port diameter can influence the separation efficiency.
在进料口悬浮液固相颗粒粒级分布相同的情况下，进料口压力和底流口直径的变化同样对分离效率产生影响。
It also discussed the diameter selection and flow distribution of the parallel conduits concerned in solving the model, and derived a formula for the distance between link pipes.
对模型求解中涉及到的并联输水管管径的选定和流量分配问题作了探讨，推导了连接管设置间距计算式。
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。
The results showed that the image analysis method can obtain the average value and distribution curve of ratio of length to diameter for vilnite powder with needle shape.
研究表明图像分析方法可以直接给出硅灰石针状粉末的平均长径比及不同长径比的分布情况。
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。
The result shows that adsorption and desorption performance of Benzene vapour by activated carbon are related to the specific surface, hole volume, hole diameter and distribution of hole.
结果表明：苯蒸汽在活性炭上的吸脱附性能明显与吸附剂的比表面、孔容、孔径与孔径分布直接相关。
The origin, course, branches, distribution, diameter and the anastomosis between the vessels of the radial musculocutaneous rami were observed and measured on 46 sides of the upper extremities.
通过对46侧上肢标本的测量，对桡侧肌皮支的起始与行程、分支与分布，管径及血管吻合进行了解剖学观察。
The flow regime of two-phase flow is straightly and physically charaterized by the size of gas bubbles relating to pipe diameter and the distribution of gas bubbles.
两相流流型分类的直观物理几何意义在于气泡空间尺度（相对于流道水力学当量直径）及其分布。
The influence of inlet area and diameter of exit tube on particle concentration distribution is also investigated.
改变分离器入口面积及排气管下口直径对分离空间内颗粒浓度分布的影响规律是不同的。
The strain, thickness distribution, diameter variation are analysed, and finally the practical prospect of the technology is pointed out.
并对壳体的应变分布、胀形前后的壁厚分布及直径变化进行了测量，指出了变厚度球壳的应用前景。
The granularity distribution and average diameter of particles of red phosphorus smoke were tested and the integral curve of typical sample were given.
测试了红磷烟幕的粒度分布及平均直径，给出了典型样品的累积曲线。
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。
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。
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 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 pressure distribution in hollow fiber membrane model is given and the effects of membrane permeability, length and diameter on pressure distribution and flux factor of the model are studied.
研究了中空纤维膜组件在反冲操作时膜管内压降规律，考察了膜渗透系数、膜长度及膜内径对膜内压力分布及透量因子的影响。
X ray pattern of Cl element in the HBP/PP/PVC and PP/PVC blends were detected and vantage software was applied to calculate the average diameter and to make statistics of particle distribution.
通过X射线能谱微区分析得到了共混物中氯元素面分布图，对氯元素面分布进行了粒径分布统计和平均粒径计算。
The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
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