bimodal distribution

  • 双峰分布;双峰分部;二项分布;双峰式泯沙级配分布;双众数分布
bimodal distributionbimodal distribution
  1. Computer Simulation of Bimodal Distribution Ultrafine Particles Dynamic Light Scattering and Precision Analysis

    双峰分布的超细颗粒动态光散射信号模拟及精度分析

  2. This has created something of a bimodal distribution leaving a much diminished centre .

    这样一来,就形成了一种“双峰式分布”,持中间立场的众议员大大减少。

  3. Preparation of polyethylene with bimodal distribution catalyzed by complex catalyst of Ziegler-Natta with metallocene

    Ziegler-Natta/茂金属复合催化剂制备双峰聚乙烯

  4. The Experimental results indicate that , the emitted PM has a bimodal distribution having two peaks around 4.3 and 0.1 μ m.

    结果显示:排放的颗粒物粒径呈现双峰分布,峰值分别在0.1μm和4.3μm左右;

  5. The bimodal distribution curve of ABA contents in developing rice embryo was consistent with the biphasic pattern of the embryonal development .

    发育中稻胚ABA含量的双峰曲线与胚的两阶段发育模式一致。

  6. Bimodal distribution for mutation factor is composed of two Cauchy distributions with different medians , and balances global exploration and local exploitation .

    变异因子服从的双峰概率分布由两个不同位置参数的柯西分布构成,用以平衡LYDE的全局搜索能力和局部寻优能力。

  7. According to the bimodal distribution mode for arc current density with a large deformation of the pool surface , the calculation mode for electromagnetic force is developed and described in this paper .

    基于熔池表面变形较大时电弧电流密度的双峰分布模型,建立了电磁力的计算模型。

  8. Particulate n-alkanes show a bimodal distribution in the spring , summer and autumn , but unimodal distribution in the winter in the middle stream of river .

    花园口四季悬浮颗粒物中正构烷烃的总含量在2.53-5.69μg/l之间,碳数分布特征为:春、夏、秋季正构烷烃呈现出双峰型分布,而冬季为单峰型分布。

  9. At APE-1 / SP-2 mixed molar ratio of20 , the relative molecular weight distribution of the polymer was broader and bimodal distribution was appeared .

    在两种催化剂SP-2和APE-1复配的摩尔比为20时,随1-己烯加入量的提高,所得聚合物的相对分子质量分布有所加宽,且出现了双峰分布。

  10. Bimodal distribution for crossover probability is composed of two normal distributions with different mean values , and makes offspring produced by crossover operator distribute around the parents with high probability .

    交叉概率服从的双峰概率分布由两个不同均值的正态分布构成,使得交叉操作产生的子代高概率的分布在父体附近。

  11. But in real life , most transactions display an intermediate degree of markets and hierarchies , i.e. they display " swollen middle " rather than " bimodal distribution " .

    但现实中,大量的交易却在中间组织中进行,即“中部隆起”而不是“双峰分布”。

  12. The ratio of back scattering coefficient to total scattering coefficient ( ratio ) appeared a bimodal distribution with the higher value in the daytime ; SSA peak value appeared at15:00 .

    后向散射比(Ratio)呈双峰分布,夜间低于白天;SSA峰值的出现在15:00。

  13. Also the reasonable model parameters , such as the metal yield and the stellar initial mass function , make it possible to re-produce the observed bimodal distribution of the color-magnitude diagram .

    我们选取的合理的参数,如金属产率,恒星初始质量函数等使得我们能预言星系颜色分布的双峰结构。

  14. The results showed that the emitted inhaled PM from the co-combustion of biomass with coal had a bimodal distribution : one is at around 4.3 μ m and the other 0.1 μ m.

    试验结果表明:4种燃料燃烧产生的颗粒物排放均为相似的双峰分布,粒径的峰值也都分别出现在0.1μm和4.3μm附近。

  15. Frequency distribution curves of sediments from fluvial channel , tidal flat , and estuarine sand bar are all asymmetric bimodal distribution ; whereas , unimodal distribution in floodplain and shallow marine facies .

    河床相、潮坪相和河口湾砂坝相沉积物的频率分布曲线为不对称的双峰式,河漫滩和近岸浅海相的频率分布曲线则呈单峰式。

  16. The main microfabrics in the black clay formed during 0.4 ~ 1ka Bp were gelatinous texture , large circular voids and plant fiber . The voids had a bimodal distribution .

    0.4~1KaBP期间形成的黑色粘土的主要微结构类型是:凝胶结构、大的圆孔隙和植物纤维的生物框架结构、呈双峰分布的孔隙。

  17. Micro-mechanical test results show that anisotropy exists in microhardness , elastic moduls and fracture toughness between the cross section and the surface of the ceramic coating . The ceramic coating exhibits a bimodal distribution of microhardness values , as evidenced by their weibull plots .

    涂层的显微硬度、弹性模量和断裂韧性都表现出各向异性特征,Weibull分布显示:涂层表面和截面的显微硬度呈双态分布。

  18. Preparation and Formation Mechanism of Silica Particles with Bimodal Size Distribution

    双尺寸分布二氧化硅胶体颗粒的制备与形成机理

  19. Physical explanation of bimodal directional distribution of ocean waves

    海浪双峰方向分布的一种物理解释

  20. For all test fuels , the particle number and size distribution show unimodal or bimodal log-normal distribution .

    柴油机排气颗粒数量的尺寸分布呈现单峰或双峰对数分布。

  21. By inversely adding aluminum sources , mesoporous alumina with bimodal pore distribution and higher surface area was prepared .

    通过倒置铝源的加入顺序,可以合成具有双孔分布的介孔氧化铝,而且其比表面有所提高。

  22. The graph of grain-size distribution of it has the characteristic of typical bimodal grain-size distribution of loess .

    土壤粒度分布曲线具有典型黄土粒度分布的双峰式特征。

  23. Use of the T2 value of the valley in bimodal T2 distribution as the T2 cutoff value when the T2 cutoff value from core analysis is not available ;

    在没有条件获得实验室岩心T2截止值时,以目的层T2双峰分布谱峰谷的T2值作为T2截止值;

  24. At the early stage of ZnO QDs growth , there is a bimodal size distribution of ZnO QDs in the ethanol solvent caused by Ostwald ripening .

    在ZnO量子点生长的初期,由于奥氏熟化作用出现了ZnO量子点的双尺寸分布现象。

  25. Prolonging the reaction time or increasing the reaction temperature , the bimodal size distribution of these ZnO QDs can be disappeared owning to the uniform size of ZnO QDs .

    这种双尺寸分布现象在延长反应时间或提高反应温度的条件下通过ZnO量子点的尺寸聚焦作用而消失。

  26. The research shows the following three points : ( 1 ) In the western Shandong uplift terrain , the initial source of the gold is the Archean greenstone belts characterized by the bimodal gold distribution .

    研究表明:(1)在鲁西隆起区,金的初始矿源是太古宙绿岩带,金在其中具有双成分分布;

  27. Development on Research of Broad / Bimodal Molecular Weight Distribution PE

    宽/双峰分子量分布聚乙烯的研究进展

  28. Production Situation of and Research Progress in Bimodal Molecular Weight Distribution PE

    双峰相对分子质量分布聚乙烯的生产现状及进展

  29. Applications and development of bimodal molecular weight distribution PE products were briefly introduced .

    最后简要介绍了双峰PE产品的应用领域和新产品开发情况。

  30. Study on Catalyst System for Preparing Polyethylene With Broad / Bimodal Molecular Weight Distribution

    制备宽/双峰分子量分布聚乙烯的催化体系