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• OAI收割 [11]

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浏览/检索结果: 共11条，第1-10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 Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations 期刊论文  OAI收割 Journal of High Energy Astrophysics, 2019, 卷号: 23, 页码: 29-32 作者:     |  收藏  |  浏览/下载：51/0  |  提交时间：2022/02/08 Stars: neutron star  Pulsars: binary(Her X-1)  X-rays: stars  Astrophysics - High Energy Astrophysical Phenomena  Abstract: The long-term evolution of the centroid energy of the CRSF in Her X-1 is still a mystery. We report a new measurement from a campaign between Insight-HXMT and NuSTAR performed in February 2018. Generally, the two satellites show well consistent results of timing and spectral properties. The joint spectral analysis confirms that the previously observed long decay phase has ended, and that the line energy instead keeps constant around 37.5 keV after flux correction.   Covariation between gross primary production and ecosystem respiration across space and the underlying mechanisms: A global synthesis SCI/SSCI论文  OAI收割 2015 作者:  Chen Z.;  Yu, G. R.;  Zhu, X. J.;  Wang, Q. F.;  Niu, S. L. 收藏  |  浏览/下载：29/0  |  提交时间：2015/12/09 Gross primary production  Ecosystem respiration  RE/GPP  Covariation  Spatial variations  Global terrestrial ecosystems  water-vapor exchange  carbon-dioxide flux  soil respiration  forest  ecosystems  interannual variability  environmental controls  constant  fraction  european forests  temperature  co2   Research on the torque characteristic of disc micromotor on axial magnetic field (EI CONFERENCE) 会议论文  OAI收割 2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012, April 21, 2012 - April 23, 2012, Three Gorges, China Liu B. 收藏  |  浏览/下载：52/0  |  提交时间：2013/03/25 In order to increase the electromagnetic torque density of micromotor with axial magnetic field  numerical analysis of permanent magnetic field and electromagnetic torque were deduced and the key factors of increasing torque density of micromotor was obtained. The numerical analysis of three-dimensional magnetic field in air gap produced by spliced sector permanent magnetic poles is done  and the way of improving flux density and permanent magnet use efficiency are given through investigating the influence of magnet thickness  height of air gap and pole interval rate and other parameters to air gap flux density and leakage flux. Based on the test of axial magnetic field and torque characteristic of micromotor  the analysis of micromotor magnetic field and calculation of torque are verified  meanwhile using the plane stator with 0.7mm thickness assemble micromotor having minimum air gap height of 1mm and its torque constant up to 3.8mNm/A. 2012 IEEE.   Are all leading shocks driven by magnetic clouds? 期刊论文  OAI收割 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2010, 卷号: 115, 页码: A04107 作者:  Feng, H. Q.;  Wu, D. J.;  Chao, J. K.;  Lee, L. C.;  Lyu, L. H. 收藏  |  浏览/下载：26/0  |  提交时间：2011/11/23 CORONAL MASS EJECTIONS  INTER-PLANETARY SHOCK  SOLAR-WIND  FLUX ROPE  FIELD STRUCTURE  CONSTANT-ALPHA  CROSS-SECTION  1 AU  EVENTS  TOPOLOGY   Analytical Method for Estimating Soil Hydraulic Parameters from Horizontal Absorption 期刊论文  OAI收割 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 2009, 卷号: 73, 期号: 3, 页码: 727-736 Ma DongHao; Wang QuanJiu; Shao MingAn 收藏  |  浏览/下载：27/0  |  提交时间：2012/06/14 CONSTANT-FLUX INFILTRATION  ONE-DIMENSIONAL ABSORPTION  WATER DIFFUSIVITY  UNSATURATED SOILS  MOVEMENT  EQUATION   Measurement of local tissue perfusion through a minimally invasive heating bead 期刊论文  OAI收割 HEAT AND MASS TRANSFER, 2007, 卷号: 44, 期号: 2, 页码: 201-211 作者:  Lv, Yong-Gang;  Liu, Jing   |  收藏  |  浏览/下载：32/0  |  提交时间：2019/04/09 Local Blood Perfusion  Penne's Equation  Constant Heat Flux  Minimally Invasive  In Vivo Measurement  Bioheat Transfer   Experimental study on forced convective heat transfer characteristics in quartz microtube 期刊论文  OAI收割 INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 2007, 卷号: 46, 期号: 2, 页码: 139-148 作者:  Liu, Zhi-Gang;  Liang, Shi-Qiang;  Takei, Masahiro 收藏  |  浏览/下载：24/0  |  提交时间：2015/12/18 microtube  forced convective heat transfer  constant heat flux  constant temperature  Reynolds number  Nusselt number   Dark energy constraints from the cosmic age and supernova 期刊论文  OAI收割 PHYSICS LETTERS B, 2005, 卷号: 607, 期号: 40910, 页码: 35-41 作者:     |  收藏  |  浏览/下载：27/0  |  提交时间：2012/08/30 Globular-cluster Messier-4  Flux-averaging Analysis  Equation-of-state  Cosmological Constant  Universe  Consequences  Distances  Sequence  Density  Matter   An Analytical Model Based on the Theory of Constant Heat Flux Ratio Across the Frozen Layer for Solving Planar, Cylindrical and Spherical Freezing Problems 期刊论文  OAI收割 JOURNAL OF THERMAL SCIENCE, 2004, 卷号: 13, 期号: 2, 页码: 155,162 Sui LINl; Zheng JIANG2 收藏  |  浏览/下载：13/0  |  提交时间：2013/03/11 analytical  planar  cylindrical  spherical  solidification  theory  constant heat flux ratio   An Analytical Model Based on the Theory of Constant Heat Flux Ratio Across the Frozen Layer for Solving Planar, Cylindrical and Spherical Freezing Problems 期刊论文  OAI收割 JOURNAL OF THERMAL SCIENCE, 2004, 卷号: 13, 期号: 2, 页码: 155,162 作者:  Sui LINl;  Zheng JIANG2   |  收藏  |  浏览/下载：13/0  |  提交时间：2013/03/11 Analytical  Planar  Cylindrical  Spherical  Solidification  Theory  Constant Heat Flux Ratio