The result shows that its crystallite size is decreased,micro\|strain and effective temperature are increased as well as its crystalline lattice is disordered with grinding time increasing.
研究表明 :随着粉磨的进行 ,金红石型TiO2 的晶粒大小D减少、显微应变ε增加 ,有效温度系数增加 ,晶格无序化程度增强。
Based on the indoor splitting fatigue test under wide temperature range and high stress level, this paper acquired the fatigue life and changing rule of the asphalt mixture, also addressed its adoption to the effective temperature of asphalt, which can be a reference to asphalt pavement structure design.
对一种常规级配的沥青混合料的疲劳性能进行了研究,通过较大温度范围、较高应力比的沥青混合料劈裂疲劳试验,得出了对应温度、应力比下沥青混合料的疲劳寿命及其变化规律,并探讨了其在沥青混合料有效温度方面的应用,以期为路面结构设计提供参考。
The principle and structure of the self made testing instrument for measuring the effective temperature in the full cross section of steel rail are described and discussed in this paper.
论述了自行研制的钢轨全断面有效温度测试仪的原理及结构。
Analyses selection of thermal comfort indexes, calculation on operative temperature and expression of thermal sensation.
对热舒适现场研究结果进行了总结,并对热舒适指标的选取、有效温度的计算、热感觉的表述方式等问题进行了讨论分析。
Based on 50 years mean daily air temperature data collected from 194 state weather observation stations and the SHELL asphalt pavement design technique,an effective mean annual air temperature distrib.
通过收集我国194个气象观测站点50年的日平均气温资料,根据壳牌沥青路面设计方法,考虑不同地区日气温变化情况和沥青粘滞度性质,采用克里金插值法绘制出全国年有效温度分布图;同时考虑路面温度随深度方向上的变化,绘制出全国沥青混合料温度修正系数分布图,以该系数修正不同地区抗压模量的取值。
