电磁

A heavy-duty magnetic stirrer, such as Cole-Parmer model is needed during the fluorination.

在氟化过程中需要用一架大功率的电磁搅拌器。

Acquaint with to pull-push, the fly-back convertor, the forwared convertor, whole bridge, half bridge work appearance and principle.

熟悉推挽，单端正激，反激，全桥，半桥工作状态与原理。对电磁兼容和干扰有丰富改善经验。

The material series include JP series—MnZn power ferrite used for switching power supplies and other power conversion applications, JV series—MnZn power ferrite used for fly-back transformers in CRT color display systems, JH series—MnZn high permeability ferrite used for digital and analog communication and EMC field, JL series—MnZn low loss ferrite used for traditional communication filters and JR series—NiZn ferrite used for radio frequency fields.

材料方面包括用于开关电源和其它功率转换领域的锰锌功率铁氧体 JP 系列，用于 CRT 彩色显示系统回扫变压器的锰锌功率铁氧体 JV 系列，用于数字和模拟通讯及电磁兼容领域的锰锌高磁导率铁氧体 JH 系列，用于传统通讯滤波器的锰锌低损耗铁氧体 JL 系列和用于射频领域的镍锌铁氧体 JR 系列。

Then the relevant basic knowledge is introduced, which includes the classification of camera shutters, the meaning of some parameters, the design principles and work features of focal-plane shutter.

紧接着研究分析了照相机快门的分类和一些参数的含义以及焦平面快门设计原理和工作特性，具体分析了电磁控制式纵走单幕焦平面快门整体设计要求，并对整体和各功能组成部分进行了设计。

In this thesis, I firstly elaborate the study goal and significance for the electromagnetism controlled vertical walking single curtain focal-plane shutter to DSLR camera, as well as its brief content and the development in foreign DSLR camera and shutter technology.

本技术研究首先阐述了对数码单反相机用电磁控制式纵走单幕焦平面快门进行技术研究的目的和意义、以及其技术研究的主要内容、国外数码单反相机技术和快门技术发展的现状。

The subsequent chapters specifically analyze the whole design requirements, design all functional components and determine the performance standard of the electromagnetism controlled vertical walking single curtain focal-plane shutter.

设计确定了电磁控制式纵走单幕焦平面快门的性能标准。

We report here for the first time a two stage nonmagnetic high pressure equipment foi studying various transport phenomena.

本文首次报道一种用于高压下电磁现象研究的两级非磁性超高压装置，描述了其结构原理和设计概要。

Four-way solenoid valve in the production of our many applications, its working principle is as follows

四通电磁阀在我们的生产中应用也很多，其工作原理如下

The electromagnetic inverse scattering problem governed by the fiest kind of Fredholm integral equation is an ill-posed problem.

摘要由第一类Fredholm积分方程所描述的电磁逆散射问题是非适定问题。

"A specified frequency band for the transmission and reception of electromagnetic signals, as for television signals."

传送和接收电磁信号的一特定的频率波段，如电视信号。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。