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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2020    内容类型：会议论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Size-effect induced cation redistribution on the magnetic properties of well-dispersed CoFe2O4 nanocrystals 会议论文 作者:  Li, Xinyuan;  Sun, Yong;  Zong, Yan;  Wei, Yupeng;  Liu, Xin 收藏  |  浏览/下载：28/0  |  提交时间：2020/12/18 Cobalt  Coercive force  Decomposition  Nanocrystals  Particle size  Positive ions  Saturation magnetizationCation redistribution  Magnetic impurity  Size dependent  Size effects  Spinel ferrites  Surface effect  Thermal decomposition methods  Well-dispersed   Species monitoring using unmanned aerial vehicle to reveal the ecological role of Plateau pika in maintaining vegetation diversity on the northeastern Qinghai-Tibetan Plateau 会议论文 作者:  Qin, Yu;  Sun, Yi;  Zhang, Wei;  Qin, Yan;  Chen, Jianjun 收藏  |  浏览/下载：10/0  |  提交时间：2020/12/18 Aerial photography  Antennas  Biodiversity  Ecology  VegetationGround measurements  Image-processing software  Linear relationships  Monitoring and analysis  Northeastern Qinghai-Tibetan Plateau  Ochotona curzoniae  Vegetation diversities  Vegetation species   Investigation on parameters optimization for gas permeability testing of concrete: Inlet-gas pressure and confining pressure 会议论文 作者:  Qian, Rusheng;  Shi, Jiashun;  Li, Yan;  Chen, Wei;  Liu, Guojian 收藏  |  浏览/下载：5/0  |  提交时间：2020/12/18 Aggregates  Calibration  Computerized tomography  Concrete aggregates  Concrete testing  Concretes  Gases  Polymethyl methacrylates  Porous materials  Rock pressure  X raysCementitious materials  Intrinsic permeability  Mercury intrusion porosimetry methods  Parameter optimization  Parameters optimization  Permeability testing  Pore characteristics  X-ray computed tomography   Study on the anisotropic permeability in different rank coals under influences of supercritical CO2 adsorption and effective stress and its enlightenment for CO2 enhance coalbed methane recovery 会议论文 作者:  Niu, Qinghe;  Cao, Liwen;  Sang, Shuxun;  Zhou, Xiaozhi;  Wang, Wei 收藏  |  浏览/下载：11/0  |  提交时间：2020/12/18 Adsorption  Anisotropy  Carbon dioxide  Coal  Coal bed methane  Coal deposits  Firedamp  Mechanical permeability  Methane  Petroleum reservoir engineering  Silicon compoundsAnisotropic permeability  Bedding planes  Coalbed methane recovery  Initial permeability  Permeability damage  Permeability loss  Prefracturing  Stress sensitivity   Mapping diffuse emission in lyman UV band 会议论文 Virtual, Online, CA, United states, 2020-12-14 作者:  Ji, Li;  Lou, Zheng;  Zhang, Jinlong;  Qiu, Keqiang;  Li, Shuangying 收藏  |  浏览/下载：67/0  |  提交时间：2021/02/05 Small Explorer  ultraviolet  line emission