共搜索到18230条信息,每页显示10条信息,共1823页。用时:0小时0分2秒748毫秒
, as shown in Figure 2, a non-metal ultrasonic testing instrument (Model: NM-4B) was used to monitor the inner damage evolution during the curing process. The frequency of transducers was 54 kHz (40 mm......
testing procedure. In addition, it is environmentally significant to carry out this research as the silica fume is the waste from the metal and alloy production industry, while nano- silica can......
, this technology combines metal expansion and ceramic shrinkage, which makes it easier to control the shrinkage of the product. Figure 8 shows that as the amount of Al increases, the shrinkage rate decreases......
J. Cent. South Univ. (2021) 28: 1422-1447 DOI: https://doi.org/10.1007/s11771-021-4707-9 Machine learning strategies for lithostratigraphic classification based on geochemical sampling data: A case study in area of Chahanwusu River, Qinghai Province, China ZHANG Bao-yi(张宝一)1, 2, LI Man-yi(李曼懿)1, 2......
in surface treatment of metal(3)-Effects of rare earth on improving the low zone orientation and resistance to discoloration of acid brigh copper coating[J]. Materials Protection, 2008, 41(5): 81-83. [73] 杨胜......
and Safety of Metal Mines (Ministry of Education), University of Science and Technology Beijing, Beijing 100083, China; 3. Beijing Key Laboratory of Urban Underground Space Engineering, University......
咏, 等. 有色金属资源循环研究应用进展[J]. 中国有色金属学报, 2019, 29(9): 1859-1901. GUO Xue-yi, TIAN Qing-hua, LIU Yong, et al. Progress in research and application ofnon-ferrous metal resources recycling[J]. The Chinese......
Ge-fei, et al. Geochemical features and mineralization of Jianfengling rare metal granite in Hunan Province[J]. Mineral Deposits, 2017, 36(4): 879-892. [47] ANDERSEN J.C., STICKLAND R.J., ROLLINSON......
织性能分析[J]. 稀有金属材料与工程, 2007, 36(A03): 527-529. CAO Xing-min, XIANG Chao-jian, YANG Chun-xiu, MU Si-guo, GUO Fu-an. Analysis of microstructure and properties in a novel Cu-Fe-P alloy[J]. Rare Metal... of copper alloys obtained by mechanical alloying[J]. Materials Science and Engineering A, 1989, 111: 115-127. [49] MORTENSEN A, CORNIE J, FLEMINGS M C. Columnar dendritic solidification in a metal-matrix......
J. Cent. South Univ. (2020) 27: 3477-3498 DOI: https://doi.org/10.1007/s11771-020-4467-y Warm asphalt rubber: A sustainable way for waste tire rubber recycling YU Hua-yang(于华洋)1, 2, DENG Guan-sen(邓冠森)1, WANG Duan-yi(王端宜)1,ZHANG Ze-yu(张泽宇)3, OESER M3 1. School of Civil Engineering and Transportatio......