查询词典 magnetic field

First it produces the pulse signal by the multivibratorwhich is consisted of 555 timer and send in the detecting coil to form the alternating magnetic field, then it asopts UGN3503 linear half-effect as prode to the magnetic field change into the voltage signal change,after enlargement electric circuit and peak value examination electric circuit,the signal be treated to send into ADC0809 modulus converter change moduluses, then the digital signal after the modulus converter is changed is sent into AT89C51one-chip computers afterwards, after the digital filter, AT89C51one-chip computers afterwards compares the data to the reference voltage and judges whether to have detected the metal and alarm.

这个系统是以AT89C51单片机为核心，首先由555定时器构成多谐振荡器产生脉冲信号送入探测线圈以形成交变磁场，然后经过线性霍尔器件UGN3503将磁场变化转换为电压信号的变化，经过放大电路和峰值检测电路，经数模转换之后输入到单片机中，由单片机对数据进行软件滤波之后，与基准值比较之后，判断是否存在金属和报警显示。

All living beings and material have faint magnetic field extremely, the magnetic field to wind by electron atomic nucleus produce when rotating.

所有的生物及物质均带有极其微弱的磁场，这种磁场是由电子绕原子核旋转时产生。

Analysis shows that the effects of the laser spontaneous axial magnetic field and the laser spontaneous transverse magnetic field are opposite, and there is competition between them in the process of isotope separation.

分析认为，激光等离子体中的自生轴向磁场和环形磁场在同位素的分离过程中可能起着相反的作用，二者相互竞争。

Displays around the magnetic field will be easy to produce items, such as multimedia speakers, a variety of peripherals, such as used in transformers, the magnetic field will affect the direction of the electron beam deflection.

显示器的周围会出现易产生磁场的物品，如多媒体音箱、各种外设所用的变压器等，这些磁场都会影响电子束的偏转方向。

The viscosity of the magnetic fluid can change under magnetic field because there is the magnetic particulate in the magnetic fluid.

由于磁性流体中磁性微粒的存在，使得磁性流体的粘度在磁场的作用下也会产生变化。

The effects of the shear rate of the magnetic fluid, the volume fraction of the suspended magnetic particles, concentration of surfactants and the external magnetic field strength as well as the orientation on the viscosity of the magnetic fluid are analyzed.

采用毛细法粘度计测量了水基Fe铁磁流体和水基Fe_3O_4铁磁流体的粘度，分析了不同剪切速率、磁性粒子体积份额、表面活性剂含量、温度以及外加磁场强度和方向等因素对铁磁流体粘度的影响。

The principle of capillary tube viscometer was analyzed and the measuring apparatus was built to measure the viscosity of the Mn-Zn ferrite magnetic fluid. The effects of the volume fraction of the suspended magnetic particles, mass concentration of surfactants, temperature and the external magnetic field strength as well as the orientation on the viscosity of the magnetic fluid were analyzed.

分析了毛细管粘度计测量粘度的原理，搭建了磁流体粘度测量实验台，测量了锰锌铁氧体磁流体的粘度，分析了不同磁性粒子体积份额、表面活性剂质量含量、温度以及外加磁场方向和强度等因素对磁流体粘度的影响。

Aqueous magnetic fluids are prepared by the physical and chemical means, and the influence of the crafts of the preparation on the magnetic fluid characters is discussed. The capillary tube viscometer is used to measure the viscosity of the magnetic fluids in a magnetic field.

本文分别采用物理和化学方法制备了水基Fe铁磁流体和水基Fe_2O_4铁磁流体，并讨论了制备工艺对水基Fe_3O_4铁磁流体样品磁化特性、粘度特性和悬浮稳定性的影响。

A magnetic compass is an instrument showing direction based on phenomenon that a magnetic bar or needle swinging freely in the earth's magnetic field will direct itself to lie in a magnetic south-north position.

科技文章是反映客观事物的，文章中不能掺杂作者个人的主观意识，对客观事物的陈述必须客观、准确。这既是科技文章的特点，也是对科技文章翻译者的基本要求。

A magnetic compass is an instrument showing direction based on phenomenon that a magnetic bar or needle swinging freely in the earth's magnetic field will direct itself to lie in a magnetic south-north position.

科技文章是反映客观事物的，文章中不能掺杂作者个人的主观意识，对客观事物的陈述必须客观、准确。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。