| 1. | Methods of test for masonry units - determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing 砖石结构体的试验方法.流体静态称重法对陶土砖石结构体的孔隙百分率和净体积的测定 |
| 2. | Methods of test for masonry units . part 3 : determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing 圬工设施试验方法.第3部分:静流称重法测定粘土圬工设施中的空隙百分率和净容积 |
| 3. | Methods of test for masonry units - part 3 : determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing ; german version en 772 - 3 : 1998 砖石检验方法.第3部分:用液体静压称重法测定砖瓦净重 |
| 4. | Methods of test for masonry units - determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling 砖石结构的试验方法.通过添加沙对硅酸盐砖石体的体积和孔隙及净体积百分率的测定 |
| 5. | Methods of test for masonry units - part 9 : determination of volume and percentage of voids and net volume of calcium silicate masonry units by sand filling 圬工单位试验方法.第9部分:用沙充填法测定硅酸钙圬工单位的体积空隙百分率和净容积 |
| 6. | Methods of test for masonry units - part 9 : determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling ; german version en 772 - 9 : 1998 a1 : 2005 圬工单位的试验方法.第9部分:通过添加盐测定黏土和硅 |
| 7. | In view of the percentage of void in natural deposit , it is deemed that the increased self - similar rank m can enhance the stability accordingly . and the pattern of stabilization will be non - linear characteristic 随着自相似阶数(对应着颗粒组构的非均匀程度)的增大,堆积体稳定性增强,并得到具有非线性变化特征的稳定性图式。 |
| 8. | Influences of initial damage on development of spalling damage have been indicated by analyzing the distribution of void number density , the cumulative percentage of void volume and the volume fraction of the different - seize voids 通过分析孔洞数密度分布、孔洞体积累积百分比、不同大小孔洞所占体积份额的计算结果,指出初始损伤对损伤演化有直接影响。 |
| 9. | In the paper , by using bp ( back propagation ) method of ann , we can get the relationship between grading , asphalt - aggregate ratio , bulk density , percentage of voids , test temperature and ds . at the same time , we can get the relationship between grading , asphalt - aggregate ratio , bulk density , percentage of voids , test temperature and viscoelastic parameter . at last , we can estimate the ds and draw the deformation curve 本文应用bp人工神经元网络,建立沥青混合料的矿料通过百分率、沥青用量、毛体积密度、空隙率、试验温度与沥青混合料粘弹性参数的关系,或建立沥青混合料的矿料通过百分率、沥青用量、毛体积密度、空隙率、试验温度与车辙试验动稳定度值的关系,从而预估车辙试验的动稳定度值和绘制车辙试验变形曲线。 |