查询词典 auroral

Due to the complicated nature of the coupling processes between polar ionosphere and magnetosphere as well as thermosphere, however, here still remain lots of questions need to be further studied, such as the relationship between convection electric field and polar ionosphere, the mechanism of auroral particle precipitation, the origin of magnetospheric particles and so on.

如，极区电离层背景变化的气候学特征，对流电场与极区电离层的相互作用关系，以及极光区粒子沉降的机制和磁层粒子起源等等。

In this paper, the dynamic characteristics of the auroral electrojet belt are studied by using equivalent current systems deduced from ground-based magnetic records.

本文用地基磁场资料，反演极区等效电流体系，研究地磁平静期和扰动期极光电集流带的运动特点。

Both aurora display and auroral electrojet, as the most important manifestations of the energy coupling between the magnetosphere and the ionosphere, are resulted from particle precipitation,and greatly enhanced during substorms. However, they have rather different behaviors and AE-dependences.

极光活动加剧和极光电集流增强是磁层-电离层能量耦合的两种重要表现形式，它们同为磁层带电粒子向电离层沉降的结果，但是变化规律却非常不同。

The Kamide-Richmond-Matsushita magnetogram-inversion algorithm is used to study the electrodynamic features of auroral electrojets. It is concluded that there is also two components in the westward electrojet in the midnight sector, i.e., electric field-driven and conductivity-driven components.

利用Y.Kamide等发展起来的地磁反演电离层电磁学量方法，研究了极区电激流电动力学特性，结果表明子夜附近西向电激流也可由两部份组成，即分别由电场驱动和电导率驱动。

The distributions and variations of the convection electric field,the region l and region 2 field aligned currents, the ionospheric disturbance current system including the auroral electrojet,and ionospheric conductivity all together compose a self consistent organic whole.

对流电场、一区和二区场向电流、电离层扰动电流系，以及电导率的分布和变化乃是一有机整体，对其每一环节的深入认识均与对整体的全面了解密不可分。

The interference image spectroscopy coupled with the Doppler effect of electrical and magnetic waves are employed to measure the natural airglow and auroral visible emission lines in the upper atmosphere.

以上层大气中的气辉为被探测源，利用干涉成像光谱技术和电磁波的多普勒效应对上层大气风场进行测量，分析和计算了大气风场的速度和温度，并就被探测源和探测器之间的相对速度与其连线成任意角时的情形进行了讨论。

With coordinated EISCAT and ESR radar data, ionospheric storm in both the dayside polar cap and the auroral oval during the major magnetic storm of May 15, 1997 is studied, focusing on the F region negative storm.

联合利用EISCAT和E Svalbard非相干散射雷达数据，研究 1 997年 5月强磁暴期间向阳侧极盖与极光椭圆区电离层F区负暴。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。