机构

• 成都山地灾害与环境研... [3]
• 地质与地球物理研究所 [1]
• 长春光学精密机械与物... [1]
• 武汉岩土力学研究所 [1]

采集方式

• OAI收割 [6]

内容类型

• 期刊论文 [5]
• 会议论文 [1]

发表日期

• 2024 [1]
• 2023 [1]
• 2022 [1]
• 2016 [1]
• 2007 [1]
• 2006 [1]
• 更多

学科主题

筛选

浏览/检索结果: 共6条，第1-6条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Effect of cyclic loading level on mechanical response and microcracking behavior of saturated sandstones: Correlation with water weakening phenomenon 期刊论文  OAI收割 ENGINEERING GEOLOGY, 2024, 卷号: 340, 页码: 16 作者:  Zhu, Jun;  Chen, Xiaoqing;  Chen, Jiangang;  Chen, Huayong;  Pak, Ronald Y. S.   |  收藏  |  浏览/下载：24/0  |  提交时间：2024/09/09 Cyclic loading level  Microcracking behavior  Water weakening  Acoustic emission  Dominant frequency   Experimental study on the failure process of water-bearing rock under uniaxial tension based on dominant frequency analysis of acoustic emission 期刊论文  OAI收割 BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT, 2023, 卷号: 82, 期号: 6, 页码: 17 作者:  Zhu, Jun;  Deng, Jianhui;  Pak, Ronald Y. S.;  Liu, Jianfeng;  Lyu, Cheng   |  收藏  |  浏览/下载：21/0  |  提交时间：2023/10/10 Water content  Tensile strength  Acoustic emission  Dominant frequency  Micro-failure   Experimental study on the competing effects of strain rate and water weakening on compressive strength of saturated rocks 期刊论文  OAI收割 ENGINEERING GEOLOGY, 2022, 卷号: 310, 页码: 15 作者:  Zhu, Jun;  Deng, Jianhui;  Ma, Yuanjun;  Pak, Ronald Y. S.;  Zhang, Zhenghu   |  收藏  |  浏览/下载：61/0  |  提交时间：2022/12/28 Strain rate  Compressive strength  Water-weakening  Acoustic emission waveform  Dominant frequency   Application of coupled analysis methods for prediction of blast-induced dominant vibration frequency 期刊论文  OAI收割 EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION, 2016, 卷号: 15, 期号: 1, 页码: 153-162 作者:  Li Jianchun;  Wang Xiaowei;  Li Haibo;  Li Xiaofeng;  Xia Xiang   |  收藏  |  浏览/下载：15/0  |  提交时间：2018/06/05 grey relational analysis  dimensional analysis  sensitivity analysis  dominant vibration frequency  prediction   Mid-frequency surface error test with a Foucault apparatus (EI CONFERENCE) 会议论文  OAI收割 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, July 8, 2007 - July 12, 2007, Chengdu, China 作者:  Li J.;  Li J.;  Xuan B.;  Li J. 收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25 Testing of mid-frequency surface error is of the first importance for fast optics  especially for large aperture aspherics. Foucault test plays a dominant role for surface error inspection before the digital interferometer age  but it seems to have faded out these days because no quantitative results turn out. However  an interferometer with high resolution CCDs is either unavailable or unaccessible in the process of manufacture. As its advantages are realized and recognized for the second time  Foucault test is going back to the stage again. A new theory of calculating the contrast of the shadow pattern of Foucault test is put forward in this paper and some modifications are discussed upon the analyses of the limitation of traditional Foucault apparatus. A paraboloidal mirror was fabricated and tested by the modified Foucault apparatus whose effect has been proved to be great. The methods of controlling mid-frequency error are described in the other paper at this conference- "Multi-mode combine manufacturing technology for large aperture aspheric mirrors"1.   Constraints of the nonlinearity in VTI media on seismic wave frequency and bandwidth changes 期刊论文  OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2006, 卷号: 49, 期号: 3, 页码: 885-894 作者:  Zheng, HS;  Zhang, ZJ;  Tian, XB   |  收藏  |  浏览/下载：20/0  |  提交时间：2018/09/26 nonlinearity  VTI media  instantaneous dominant frequency  frequency bandwidth  wavelet transform