分散度

Some theorems about modulus of continuity were obtained by discussing the Bernstein polynomial.

首先定义了微晶粒的化学势，进而利用它推导出2个高分散度物性的数学函数式，最后根据推导结果讨论过饱和溶液，过冷液体两种介稳状态的存在原

Then the experiment of the thickness and deviation dependent shows the continue networks model is more seemlier, in which the amorphous lattice is the same of a single crystal, but its bond distance and bond angle have a little change.

而我们的池厚与分散度关系的实验已说明了厚池中键长键角不归一，当小球标准差为8.4％时，键长键角的变化可以用连续网络的非晶模型来描述，此模型的非晶结构的骨架与单晶相同，但键长键角有小量的无规性。

The results showed that the content of carbonyl absorbing peak increased in ageing.

此外 ，老化后沥青分子中高分子量组分的含量增加，分散度变大。

After purification and analysis by IR it is found that carboxyl group has been grafted into sodium lignosulfonate.

GCL2的羧基含量从0增至0.0067mol/g，数均分子量从7467降至3951，分散度从1.329降至1.183。

The results showed that adding a small amount of ceria improved the dispersion of cobalt, decreased the electron density of the cobalt particle, and enhanced the dissociation of CO on the catalyst surface.

表征结果表明，少量CeO2助剂的添加提高了活性组分Co在催化剂表面的分散度，降低了催化剂表面Co的晶粒度，使催化剂对CO和H2的吸附性能发生了改变。

The addition of cerium can inhibit the formation of spinel phase and make the CuO disperse well.

但铈的引入会使氧化铜分散度增大，同时抑制尖晶石相的生成。

After studying current dimension reduction technique and analyzing some normal methods of feature selection, a new approach, named CDF, in feature selection was proposed by comprehensively taking concentration among classes, distribution in class and average frequency in class into account.

本文在研究了现有的特征降维技术的基础之上，对部分常用的特征提取方法做了简要的分析，之后结合类间集中度、类内分散度和类内平均频度，提出了一个新的特征提取方法，即CDF方法。

It has been found that the coercive force is very sensitive to the temperatu...

对恒温热磁处理的样品的结构状态，进行了电子显微等的研究，表明由于事先的恒温处理条件不同，造成了α′相的不同分散度、不同形态和不同的永磁性。

It is shown that with right coordinate transformation in the cases, the error of th...

理论和数值算例表明，只要对重频系统设计的反馈律作正确的坐标变换，应用到上述三种情形时，其闭环系统的衰减律的误差只有相应频率分散度的一阶小量

The cumulant method which was used to inverse the size and polydispersity of nano-particle in PCS was analyzed.

分析了纳米颗粒尺寸和分散度测定的光子相关光谱技术中的累积算法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。