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- random aggregate distribution 随机骨料分布
- An appropriate random aggregate model is the basis for successfully simulating the meso-mechanical behaviors of concrete. 本文针对全级配大坝混凝土的高骨料含量的要求,给出了一种高效率生成随机球骨料模型的方法。
- The geographic distribution of host animal local area had a close relation with cases of leptospirosis aggregate distribution. 宿主动物的地理区域性与病例聚散分布存在密切的关系。
- Based on digital image processing techniques, the aggregate distribution in hot-mix asphalt, i.e. homogeneity was studied directly in this paper. 摘要基于数字图像处理技术,首次对沥青混合料中集料的分布状态,即沥青混合料均匀性进行了直接研究。
- The cellular automata, this new method is used in the research on the concrete carbonation and the aggregate distribution effect. 本文采用细胞自动机这一新颖的方法对混凝土的碳化问题及碳化的骨料分布效应进行了研究。
- three dimensional random aggregate 三维随机骨料模型
- The research results indicated that by comparing the differences between aggregate moments of inertia to X axis and to Y axis, i.e., the index of the aggregate distribution in asphalt mixture, it is feasible to evaluate quantitatively segregation. 研究结果表明:通过比较混合料截面上的集料对X轴和Y轴转动惯量的差异(集料的分布状态指标),可以定量地评价混合料的离析状况。
- random aggregate and random parametric model 应变率效应
- 3D random aggregate and random parameter model 大坝混凝土
- The criteria of conflict overlap of any two ellipsoidal aggregates are proposed based on a volume-index, and a numerical method of three-dimensional random aggregate model is realized. 提出了针对颗粒夹杂为椭球形状并呈随机分布的多相复合材料的三维有限元网格的建立方法,为复合材料细观结构研究提供了一种全自动的建模工具。
- The distribution of the trematode population in the host over the year showed aggregate distribution too, and the degree of aggregation had little change. 吸虫种群在一年四季中的鲻鱼体内的时空分布亦为聚集分布,聚集强度变化不大。
- Soiled dishes were piled at random. 脏碟子胡乱地堆放着。
- Two-dimensional random aggregate structure for concrete 二维混凝土随机骨料模型研究
- In Chaling county,the natural population and four sub-populations showed a spotted and aggregated distribution pattern,but their degrees of aggregation were different. 长喙毛茛泽泻茶陵种群呈斑块分布,格局类型为聚集分布型,每个亚种群也呈聚集分布,但聚集强度不同。
- Numerical simulation of random aggregate model for mass concrete 大体积混凝土随机骨料数值模拟
- Skill standards as the aggregated distribution of individual economic interests at the occupational level will be highlighted as a critical factor of social policy preferences. 如个别的经济兴趣的被聚集的分配技术标准在职业的水平将会被加亮如社会的政策偏爱的一个紧要关头的因素。
- Aggregated distribution-abundance model could better estimate the species abundance than random distribution-abundance model, suggesting that most species were aggregately distributed. 聚集分布多度模型预测物种多度的结果要好于随机分布多度模型,这表明该区大多数物种是聚集分布的。
- The research results indicate that in hot-mix asphalt if aggregate distributed situation and aggregate distributed number are considered comprehensively, it is feasible to quantitatively evaluate homogeneity of hot-mix asphalt. 研究结果表明:从沥青混合料中集料的分布位置和分布数量两方面综合考虑,沥青混合料的均匀性能够定量地进行评价。
- Random aggregate structure of mesoscopic concrete and finite element mesh 混凝土细观随机骨料结构与有限元网格剖分
- The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。