查询词典 measure of dispersion

The expression of one-dimensional mathematical model of vertical migration of ammonia in the CRI system is:The parameters in the CRI model are determined as following: the retardarce coefficient is determined by static isothermal absorption experiment, the velocity of sewage travel through the soil column is determined by permeability test, the vertical dispersion coefficient is determined by test the electric conductivity of tracer in the dispersion experiment, the rate of nitrification and denitrification is determined by test of Baps technology.

依据单一氨氮、硝氮配水条件下的试验结果，引入多孔介质的溶质运移理论及对流-弥散方程，考虑NH4+-N在CRI系统中的运移受到对流和水动力弥散作用的影响，并吸附-解吸、硝化与反硝化3个过程，首次将配水流经CRI土柱的孔隙水流速方程与CRI土柱内发生的、以氧为约束条件的硝化、反硝化过程联系起来，建立了CRI系统一维垂向氨氮运移转化数学模型，表达式为：研究分别通过静态等温吸附实验率定了模型方程中的阻滞系数、通过渗滤试验测定了土柱中的孔隙水流速、通过测定弥散试验中示踪剂的电导率确定了纵向弥散系数、通过气压过程分离技术测定了土柱中的总硝化与反硝化反应速率常数，最后通过测定土柱沿程氧化-还原电位的方法分析氨氮在CRI系统中的运移转化机理。

In this paper, effect of dispersion rate on briquet quality and different factors which influence dispersion rate of sewage sludge in fine coal were studied.

研究了活性污泥在粉煤中分散性的影响因素，以及分散性对气化用型煤质量的影响。

Theoretical analysis of the group delay dispersion caused by multi beam interference between two parallel optical surfaces was presented.The expression of Fabry-Perot etalons dispersion was derived.

推导了光通信系统中任意两平行光学表面间由多光束干涉引起的群延迟色散的表达式；分析了GDD的变化规律，包括周期性、平方律特性和对表面反射率的依赖关系。

Adding a small quantity of three functional group of polyvalent can improve the water resistance and decoration of copolymer emulsion after film forming. The structure form of interpenetrating networks has a greater destroy degree to the micro crystal of polyurethane film forming substance than the effect of the prepolymer capping graft copolymer.IV, This article studies on the heat stability of acrylate modified polyurethane dispersion, researches the changes of the structure of acrylate modified polyurethane dispersion afterheating, and analyses by the heat analysis, infrared ray and heat analysis, and mass spectrometery.

利用拉曼光谱和扫描电镜、红外光谱等测试技术，分析了丙烯酸酷及丙烯酸酷一有机硅等改性聚氨酷水分散体的成膜过程—利用预聚体封端技术合成的丙烯酸酷改性聚醚聚氨酷的成膜过程包括乳液颗粒的挤压成膜与分子硬段的微区结晶，有机硅氧烷的引入将同时出现硅氧烷的水解缩合；具有互穿网络结构的丙烯酸酷改性聚氨酷水分散体因丙烯酸酷的互穿而限制了聚氨酷硬段在成膜过程中的结晶，聚合物成膜以挤压成膜为主，有机硅的复合改性同样出现硅氧烷水解缩合现象。8。

In anomalous dispersion of monomode optical fiber, an optical soliton is evolved from an optical pulse in the fiber when the nonlinearity is balanced by dispersion.

摘要在单模光纤异常色散区，当非线性与色散平衡时，初始注入的光脉冲演化形成光孤立子。

The advantages of this invention are the following: backmixing non-conjugated grating pair Martinez impulse stretcher and compressor are applied in the multiple-pass enlarger with material of low dispersion and can effectively compensate the material dispersion in the enlarger and reduces the deformation of femtosecond impulse.

本项发明的优点在于，逆向混合非共轭光栅对马丁内兹型脉冲展宽器-压缩器适用于具有较低材料色散的多通放大器，可有效地补偿放大器中的材料色散，减少飞秒脉冲的畸变。

The results of XRD and DSC showed that ginkgolides existed in solid dispersion at amorphous form or solvates form. The dissolution rate of ginkgolide B in solid dispersion was increased dramatically compared with raw material.

银杏内酯 B从PVP固体分散体中的溶出速率比原药粉末显著提高，且药物中银杏内酯A，B，C和白果内酯从固体分散体中的溶出相似性(f2值均大于 50)优于原药粉末。

These results indicate that the dispersion effect of retardation films are not obvious, and the retardation characteristics of different retarders generated by the same material are almost the same, which would be useful to study how the color liquid crystal display is affected by dispersion effects of retardation films.

本实验得到的蓝光延迟量＝(1-3.5%)绿光延迟量；红光延迟量＝(1+2.6%)绿光延迟量，这为分析延迟膜的色散效应对彩色液晶显示所带来的影响提供了依据。

Through the analysis of salt-affected soil and effect of dispersion after changing the content of salt-affected thing, we conclude that using the soil block test, pin pole test is effective for assessing the dispersion because of affecting by high sodium ion .

通过研究分析盐渍土及改变盐渍含量对分散性试验的影响，认为土块试验、针孔试验对受高钠离子影响的盐渍土分散性评价是较为有效的方法。

The results showed that the forming of calcium ions was a significant factor affecting the pitch deposition, and the deposition was related to not only the amount of calcium soaps but also their dispersion, and the better the calcium soaps dispersion, the less the deposition, pH value influenced the pitch deposition significantly.

研究结果表明，Ca~(2+)的存在是造成树脂沉积的重要因素，树脂沉积的多少不但与钙皂的多少有关，而且还与其在体系中的分散程度有关，钙皂分散得越好，树脂沉积越少。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？