QQ客服 官方微博 反馈留言

浏览/检索结果: 共78条，第1-10条 帮助 限定条件 发表日期：2019    专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     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 A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time-space fractional diffusion equation 期刊论文 JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2019, 卷号: 362, 页码: 99-115 作者:  Zhao, Yong-Liang;  Zhu, Pei-Yong;  Gu, Xian-Ming;  Zhao, Xi-Le;  Cao, Jianxiong 收藏  |  浏览/下载：11/0  |  提交时间：2019/11/15 Block triangular lower Toeplitz matrix  Skew-circulant preconditioner  Krylov subspace methods  Fractional differential equations  WSGD  L2-1(sigma) formula   Characterization of aerobic granular sludge of different sizes for nitrogen and phosphorus removal 期刊论文 Environmental Technology (United Kingdom), 2019, 卷号: 40, 期号: 27, 页码: 3622-3631 作者:  Li, Zhi-Hua;  Zhu, Yuan-Mo;  Zhang, Ya-Li;  Zhang, Yu-Rong;  He, Chun-Bo 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Batch reactors  Chemicals removal (water treatment)  Denitrification  Granular materials  Granulation  Mass transfer  Nitrogen  Nitrogen removal  Phosphorus  Wastewater treatment  Aerobic granular sludges  Denitrification efficiencies  Denitrification rate  Enhanced biological phosphorus removal  Granular size  Mass transfer resistances  Nitrogen and phosphorus removal  Sequencing batch reactors   Spatio-temporal characteristics and source identification of water pollutants in the upper and middle reachers of Heihe River 期刊论文 Zhongguo Huanjing Kexue/China Environmental Science, 2019, 卷号: 39, 期号: 10, 页码: 4194-4204 作者:  Wang, Yu;  Lu, Shi-Guo;  Feng, Qi;  Liu, Xian-De;  Liu, Juan-Juan 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Agricultural robots  Ammonia  Biogeochemistry  Deterioration  Drought  Multivariant analysis  Nutrients  Organic compounds  Reservoirs (water)  Rivers  Urban growth  Water quality  Heihe river  Multivariate statistical method  Source identification  Spatial temporals  Water quality indexes   Comparative studies on microstructures and properties of Cu–Ni–M alloys controlled by strong interaction between elements 期刊论文 Journal of Alloys and Compounds, 2019, 卷号: 805, 页码: 404-414 作者:  Li, Z.M.;  Li, X.N.;  Wang, C.Y.;  Zheng, Y.H.;  Yu, Q.X. 收藏  |  浏览/下载：0/0  |  提交时间：2022/02/17 Aluminum alloys  Chromium alloys  Electric conductivity  Hardness  Heat resistance  Microstructure  Molybdenum alloys  Nickel alloys  Precipitation (chemical)  Specific heat  Superalloys  Ternary alloys  Vacuum applications  Electrical conductivity  Microstructures and properties  Nickel- based superalloys  Rising temperatures  Room-temperature resistivity  Softening temperature  Temperature behavior  Variable temperature   Comparative studies on microstructures and properties of Cu–Ni–M alloys controlled by strong interaction between elements 期刊论文 Journal of Alloys and Compounds, 2019, 卷号: 805, 页码: 404-414 作者:  Li, Z.M.;  Li, X.N.;  Wang, C.Y.;  Zheng, Y.H.;  Yu, Q.X. 收藏  |  浏览/下载：5/0  |  提交时间：2020/11/14 Aluminum alloys  Chromium alloys  Electric conductivity  Hardness  Heat resistance  Microstructure  Molybdenum alloys  Nickel alloys  Precipitation (chemical)  Specific heat  Superalloys  Ternary alloys  Vacuum applications  Electrical conductivity  Microstructures and properties  Nickel- based superalloys  Rising temperatures  Room-temperature resistivity  Softening temperature  Temperature behavior  Variable temperature   Comparative studies on microstructures and properties of Cu-Ni-M alloys controlled by strong interaction between elements 期刊论文 JOURNAL OF ALLOYS AND COMPOUNDS, 2019, 卷号: 805, 页码: 404-414 作者:  Li, Z. M.;  Li, X. N.;  Wang, C. Y.;  Zheng, Y. H.;  Yu, Q. X. 收藏  |  浏览/下载：38/0  |  提交时间：2019/11/15 Copper alloy  Microstructure  Resistivity  Heat resistance   Pion-induced production of hidden-charm pentaquarks P-c(4312), P-c(4440), and P-c(4457) 期刊论文 PHYSICS LETTERS B, 2019, 卷号: 797 作者:  Wang, Xiao-Yun;  He, Jun;  Chen, Xu-Rong;  Wang, Quanjin;  Zhu, Xinmei 收藏  |  浏览/下载：21/0  |  提交时间：2019/11/15 Long term effects of Pb2+ on the membrane fouling in a hydrolytic-anoxic-oxic-membrane bioreactor treating synthetic electroplating wastewater 期刊论文 CHEMOSPHERE, 2019, 卷号: 232, 页码: 430-438 作者:  Wang, Qiong;  Wen, Qinxue;  Chen, Zhiqiang 收藏  |  浏览/下载：0/0  |  提交时间：2019/11/15 Pb2+  Membrane fouling  Molecular weight distribution  Flocs aggregation capacity  Electroplating wastewater   Extend the thermal cyclic lifetime of La2Zr2O7/YSZ DCL TBCs by reducing modulus design on a toughening ceramic surface 期刊论文 Surface and Coatings Technology, 2019, 卷号: 374, 页码: 134-143 作者:  Wei, Zhi-Yuan;  Cheng, Bo;  Wang, Jun;  Liu, Mei-Jun;  Cai, Hong-Neng 收藏  |  浏览/下载：0/0  |  提交时间：2022/02/17 Durability  Lanthanum compounds  Strain energy  Strain rate  Yttria stabilized zirconia  Yttrium metallography  Zirconium compounds  Ceramic layer  Crack driving force  La2Zr2O7 (LZO)  Thermal barrier coating (TBCs)  Thermal cyclic lifetime   Green oil additive g-C3N4: a feasible strategy to enhance the tribological properties of DLC film 期刊论文 MATERIALS RESEARCH EXPRESS, 2019, 卷号: 6, 期号: 11 作者:  Li WX(李维学) 收藏  |  浏览/下载：1/0  |  提交时间：2020/11/12 g-C3N4 nanosheets  DLC film  lubricant additive  composite lubrication  tribological properties