These results differ from those for the bipolar background field case, in which the catastrophic energy threshold is almost independent of the magnetic fluxes of the flux rope and the extent to which the background field is open.

The initial magnetic field is taken to be a force-free field, consisting of an isolated flux rope attached to the base and a bipolar background field surrounding it.

初始时背景场为无力场，磁绳附着于光球表面，外部为双极场。

The formation of the bipolar magnetic field of the sunspots in AR.

太阳活动区黑子的偶极磁场形成问题。

A flux rope is introduced within each bipolar field.

每个双极场内部各有一根磁绳，它们均附着于光球表面。

Majority of conventional power amplifiers are designed using bipolar technology on the basis of well-known merits of bipolar transistors.

大多数传统的音频功率放大器是用双极型工艺设计和制造，其基础在于良好的双极型三极管特性。

The paper points out that the dielectric insulation bipolar technology is main technology for implementing integrated circuit used in communication.

指出介质绝缘双极工艺是实现既经济又优良的电信通信用集成电路的主要工艺。

The paper focuses on circuit design of power switch with bipolar technology and audio amplifier with CMOS technology.

本文论述双极型功率开关电路和CMOS音频功率放大器电路设计。

The structure of a vertical multiple-gate MOSFET based on bipolar technology is presented.

提出了一种基于双极工艺的纵向多面栅MOSFET的结构和工艺。

A Study on 2-μ m High Speed Bipolar Technology

2μm高速双极工艺的研究

Complementary Bipolar technology has always been popular for analog IC designers due to its high speed and good performance on current drive.

互补双极技术凭借其高速、大电流驱动等优势一直受到模拟集成电路设计者的青睐。

Potential and Developing Trends of Silicon Ultrafast Bipolar Technology

硅超高速双极技术的潜力与变革方向

When the motion of the flux tube is oblique direction, most passage positions appear irregular FTEs, and the signatures of Bz is bipolar distribution.

当通量管在x方向有正或负速度分量即斜向运动时，大部分部位测到的B x呈不规则变化，B z表现为双极分布。

With international economic situation becomes well gradually, inbound tourism resumes quickly and outbound tourism increases notably; domestic tourism also increase but bipolar distribution situation aggravate.

其中，随着国际经济形势的逐渐好转，入境游迅速恢复和出境游增长显著；国内旅游人数和收入虽有所增长但两极分化的局面继续扩大。

Place of origin for these genera which belong to bipolar distribution may be the mixed livingarea ( or zone) between two realms.

认为古生物地理大区的混生区是这些两极分布的凉水型分子的起源地，即混生区起源。

The bipolar distribution and biogeography of the Ordovician faunas

奥陶纪生物的两极分布及其与生物地理的关系

By repairing the winding connection for the bipolar asynchronous motor, the connection of stator and rotor is analyzed in the paper, the correct winding connection method is chosen, the repairing quality is improved.

论述了对绕线型变极异步电动机的修理，分析定子、转子绕组的接法，选择正确的绕组并联支路数和极相组联接方式，提高检修质量。

Analysis on the Winding Connection for Winding Bipolar Motor

绕线型变极电动机绕组接法分析

The developing history of bipolar lead acid battery was introduced briefly and the structure of bipolar lead acid battery was illustracted by comparing with that of common lead acid battery.

简要地介绍了双极性铅酸蓄电池的发展历史，并采用与普通电池结构对比的方法介绍了双极性铅酸蓄电池在结构方面的特点。

Bipolar lead acid batteries have many advantages compared with conventional monopolar ones, but the research will also require substantial effort and investment.

双极性铅酸蓄电池与传统的单极性铅酸蓄电池相比具有许多优点，但其研究尚需相当大的努力和投资。

The substrate materials used in bipolar lead acid batteries currently were recommended because it was the key factor for bipolar technology.

基底材料是双极性铅酸蓄电池技术的关键所在，介绍了目前双极性铅酸蓄电池所采用的基底材料。

Progress on bipolar lead acid battery research

双极性铅酸蓄电池的研究及其进展