Effect of grading distribution of coarse aggregate on flexural strength of road concrete;
道路碾压混凝土在我国路基路面工程中具有较好的应用前景。
The effect of maximum diameter, grading distribution and crushing index of coarse aggregate on flexural strength of concrete is investigated through experiments.
本文研究了粗集料的最大粒径、级配和压碎指标值等对路面混凝土抗折强度的影响。
The voltage distribution of several position combinations of the two grading rings is calculated and compared, and the best position combination is selected.
计算并对比两个屏蔽环多个位置组合的电压分布，选取最优的位置组合。
The inverse grading of solid particles in debris flow effects the velocity distribution along the vertical the state of motion and the impulse on structure is an important problem.
泥石流固体颗粒级配倒置，影响流速垂线分布、流态与冲击力，是一个十分重要的问题。
Online examination system is composed by the modules from the test paper generation, distribution, online exams, to the automatic grading.
在线考试模块实现了试卷生成、发放、在线考试、自动阅卷等功能；
Correlations between fractal dimension and sorting or grading, pore-size distribution, microstructure characteristics are discussed respectively.
本文还讨论了分维与分选程度、孔隙特征及结构特征的关系。
Correlations between fractal dimension and sorting or grading, pore-size distribution, microstructure characteristics are discussed respectively.
本文还讨论了分维与分选程度、孔隙特征及结构特征的关系。
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