查询词典 Bosworth Field

Using a one-dimension magnetic filament in the Earth\'s magnetotail to represent the bubbles,we examine the motion of bubbles created by reconnection in the Earth plasma sheet.Some properties of time evolution of the filament can be obtained from the numerical simulation.The magnetic field line in the filament created by reconnection is more dipolar than the surrounding magnetic field line,and the motion of the filament displays a strong earthward flow.The results show that MHD waves such as an Alfv?

本文研究地球等离子体片中重联后的磁泡的运动，用地球磁尾中的一维磁细丝来表示磁泡，通过数值模拟发现，重联产生的磁细丝磁场比周围磁场偶极性更强，运动时表现出了很强的地向流。

The magnetic field of motor and the eddy current loss in PM are both solved based on FEM for three-dimensional electric magnetic field.

通常在永磁同步电机中都认为转子损耗是可以忽略不计的，主要是因为转子是同步于定子磁动势旋转的。

The design started from the expression of the current producing the pulsed magnetic field, and was based on the following principles: low eddy current loss, small capacitive energy storage and large quality factor. The optimization method of the storage capacitor and charging voltage of the field producing system was presented.

从产生脉冲磁场的电流表达式出发，根据涡流损耗不能太大、品质因数要高和电容储能要小的原则，给出了脉冲磁场产生系统的储能电容和充电电压的优化设计方法。

In addition, through analysis the solution of the Einstein Field Equation in static spherical symmetry gravitation field, we get the relationship between proper time and coordinate time ,as well as the rate of light signal period, with which the rate of frequency can be calculated.

文章通过对静态球对称引力场中的爱因斯坦场方程的解的分析，得出了标准时和坐标时的关系，利用这个关系求得一个光信号的周期之比，从而求得频率之比。

The nonlinearity of Einstein′s field equation brings a lot of difficulties to solving of general relativity theory in case of weak field.

爱因斯坦场方程的非线性性给广义相对论的求解带来许多困难，在弱场情况下，可用近似处理的方法，把高度非线性的场方程变为线性场方程，简化了方程的求解。

It was found that heat transfer enhancement was related to electric field homogeneity, electric field intensity and heat flux.

结合试验和电场分布的计算结果，分析了电场均匀性、电场强度、热流密度与沸腾换热效果之间的关系。

The field observations show that the electric field intensity and polarity take on great differences between sunny days and sandstorm.

不同的沙尘天气过程形成的电极性和电场强度也有较大差别。

It is very important that the electric field intensity distribution of a cable accessory is reasonable and the numerical results of electric field intensity is high precision as developing of a cable accessory from low to high voltage.

在电缆附件产品由低压向高压的发展过程中，电缆附件内部的电场强度分布是否合理是十分重要的，准确计算电场强度是电缆附件结构设计的关键环节。

In power system ,beside field calculation ,the measurement of electric field is an important method.

软件简介：在电力系统中，除了电场的计算方法外，电场的测量也是一种很重要的手段。

We calculate the period of the atmospheric electric field in the calm weather, and analyze the correlation between the atmospheric electric field and the cosmic ray both in the calm weather and thunderstorm weather, with the help of the data of YBJ-ARGO single particle count rate.

大气电场强度尤其是雷暴天气期间的大气电场与宇宙线之间的关联是一个重要的、有理论和实际意义的交叉学科前沿问题。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。