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cusp region
相关语句
  极隙区
     A SIMULATION STUDY ON IONOSPHERE AFFECTED BY AURORAL PARTICLE PRECIPITATION IN CUSP REGION
     极隙区极光粒子沉降对电离层影响的模拟研究
短句来源
     This magnetic storm has different physical processes at the middle low latitudes and the southern polar cusp region.
     分析表明,南极极隙区与中低纬区磁暴形态差异很大。
短句来源
     It may be effected synthetically by the low energy electron precipitation in cusp region,the high latitude plasma convection and the solar radiation,resulted in so called F region magnetic noon phenomena.
     最大值在0900UT(磁中午)附近,这是极隙区软电子沉降、极区等离子体对流和光辐射电离效应等诸多因素综合作用的结果,形成了所谓的磁中午异常。
短句来源
     The result of simulation draw a conclusion that when the plasma flux tube stayed long enough in cusp region the electron density of ionospheric F layer would remarkably increase,while when the plasma flux tube stayed short in cusp region the electron density of ionospheric F layer would not remarkably increase.
     数值计算结果表明,当磁流管在极隙区停留的时间足够长,F层电子密度能显著增大。
短句来源
  “cusp region”译为未确定词的双语例句
     It is proved theoretically that there is a demarcation line with definite length of about 40 through the cusp region.
     证明极尖区有一条极尖线,长约40°。
短句来源
     The influnce of the polar electrojet and the latitudinal variation of the polar cusp region is also discussed.
     文中还对△Z正、负扰与极区电急流及极尖区位置的高、低纬向移动进行了讨论。
短句来源
     The ionograns observed at Antarctic Zhongshan Station in the polar cusp region have shown that there are a number of high latitude phenomena.
     在南极中山站使用TD-4A测高仪,从1990年3月至今已取得了10万余帧的电离图记录。
短句来源
     Results from the drift measurements show that the ionospheric movements in cusp region latitude are mainly horizontal, having a systqmatic daily variation with an anti-sunward convection pattern.
     漂移测量的结果表明,电离层漂移主要是水平方向的运动,并且具有大体一致的日变化模式,显示出在没区存在逆阳对流.
短句来源
     The rise velosity of the top of the cusp region in a coronal streamer may be more than 2km/s, if the longitude angular size is more than 27° associated with a CME occurence.
     当一个日冕物质抛射伴随冕流产生时,冕流的经向角大小若大于27°,可导致冕流尖角区顶部上升速度大于2km/s。
短句来源
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  相似匹配句对
     Function of Region
     区域函数
短句来源
     Culture Region
     文化区
短句来源
     A SIMULATION STUDY ON IONOSPHERE AFFECTED BY AURORAL PARTICLE PRECIPITATION IN CUSP REGION
     极隙区极光粒子沉降对电离层影响的模拟研究
短句来源
     The influnce of the polar electrojet and the latitudinal variation of the polar cusp region is also discussed.
     文中还对△Z正、负扰与极区电急流及极尖区位置的高、低纬向移动进行了讨论。
短句来源
     APPROXIMATION TO CUSP CATASTROPHE
     关于尖点型突变点的逼近
短句来源
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  cusp region
The local magnetic field points to the exterior-cusp region at times when these electron bursts are observed.
      
Indeed, the flux intensity is highest in the exterior-cusp region and decreases as the spacecraft moves away from it both tailward and upward.
      
In the dayside, the cusp region is covered during magnetic disturbances.
      
The plasma pressure in the cusp region is about the same or slightly higher than that in the stalk region.
      
Using the filter ratio method for the X-ray observations, we find that the cusp region has lower temperature and higher density than that in the stalk region above it.
      
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Chapman-Ferraro model is solved for a three dimentional magnetopause.It is proved theoretically that there is a demarcation line with definite length of about 40 through the cusp region.The surface of the magnetopause is angled along this line,on which every point is an exit for the earth's field line to emerge from the magne-tosphere.The neutral point is just the intersection of the demarcation line by the meridian plane.

本文解出了三维磁层顶的Chapman-Ferraro模型。证明极尖区有一条极尖线,长约40°。磁尖线上磁层顶呈尖角。磁层磁力线由极尖线上各点通往磁层顶。通常所谓中性点,足极尖线在日地子午面的截点。

The ground magnetic data of three low-latitude magnetic observatories in China (Qiong-zhong, Guangzhou, Quanzhou) have been used to study the variation of the equatorial electrojet during the main phase and at the beginning of the recovery phase of strong magnetic stroms. The analysis of variation of the Z-compoment demonstrates that corresponding to the developing of the ring current there is a negative disturbance of AZ (i.e. an additional eastward electrojet), while during the recovering of Dst, there is...

The ground magnetic data of three low-latitude magnetic observatories in China (Qiong-zhong, Guangzhou, Quanzhou) have been used to study the variation of the equatorial electrojet during the main phase and at the beginning of the recovery phase of strong magnetic stroms. The analysis of variation of the Z-compoment demonstrates that corresponding to the developing of the ring current there is a negative disturbance of AZ (i.e. an additional eastward electrojet), while during the recovering of Dst, there is a positive disturbance (westward electrojet). The tendency is shown at all local times, but the amplitude of the variation may be modulated by the local time. The trend becomes insignificant at the later stage of the storm, or if the storm is not a solitary one but follows another storm closely.The results are tested by the superposed epoch analysis, the correlation analysis, the x2 -analysis and the analysis of variance. The influnce of the polar electrojet and the latitudinal variation of the polar cusp region is also discussed.The research indicates that in the study of equatorial electrojet on disturbed days, it is important to distinguish the features at different storm stages, and to make a distinction between the effects of dynamic coupling and those of electrodynamic coupling. For further study one needs to deduce the global current system by using the data from a world-wide net of ground magnetic stations.

本文利用我国琼中、广州、泉州三站1982—1983年地磁Z分量资料,对磁暴主相发展及恢复相初期的赤道电急流变化进行了研究。形态分析、周期叠加和相关分析均表明,不论在何地方时,对应环电流的发展有△Z的负扰(附加东向电急流);而D_(st)开始回升则有△Z的正扰(附加西向电急流)。该变化之大小可能受地方时的调制。方差分析、x~2-分析等统计检验也认证了上述变化。文中还对△Z正、负扰与极区电急流及极尖区位置的高、低纬向移动进行了讨论。本文结果表明,分析扰日赤道电急流变化应区分磁暴的不同阶段,即区分电动耦合和动力耦合效应。今后应采用大范围台站网资料,进一步得出有关电流系的图象。

The ionograns observed at Antarctic Zhongshan Station in the polar cusp region have shown that there are a number of high latitude phenomena.This paper presents these phenomena.They are auroral oval phenomena,FLIZ phenomena,slant Es phenomena and lacuna,F region magnetic noon phenomena,and particle precipitation effects in the E region.

在南极中山站使用TD-4A测高仪,从1990年3月至今已取得了10万余帧的电离图记录。由于中山站处在极尖区附近这样一个特殊位置,所以这些电离图能显示出大多数高纬现象,诸如极光卵现象、FLIZ(F层不均匀区)现象、倾斜Es和空白现象、F区磁纬中午现象、E和D区的粒子沉降效应,以及粒子E层(夜间E层)现象等。本文对这些现象进行了描述和初步分析。

 
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