中频

A effective process of purification treatment of high silicon cast steel melted by MF induction furnace was obtained.

得到了中频感应电炉熔炼高硅铸钢的有效钢液净化工艺。

The company has 0.5 tons, 2 tons medium frequency induction furnace of the two sets, at the same time equipped with advanced laboratory testing equipment and first-rate technical staff, can be an annual output of 3000 tons of various castings.

公司拥有0.5吨，2吨中频感应电炉各两套，同时配有先进的化验检测设备和一流的技术人员，可年产各种铸件3000吨。

Medium frequency induction furnace is used for heating in stead of traditional gas heating furnace.

0引言应用中频电源实现感应加热的最大特点是工件加热速度快，温度易于控制，投资省，经济效益显著，在机械和冶金行业的金属锻造、熔炼、焊接、透热和淬火等热加工、热处理场合应用广泛。

Compared with traditional analog IF method and digital base-band method, this new method has some advantages such as simplicity, temperature insensitiveness and high reliability and can be used in spread-spectrum communication, pulse compression radar and IFF systems.

与传统采用的SAW中频模拟处理方法和数字基带处理方法相比，该方法具有结构简单、工作温度范围宽和可靠性高等优点，可用于扩频通信、脉冲压缩雷达和敌我识别等系统。

Middle Compass Locator, A compass locator installed in conjunction with the middle marker of an instrument landing system.

罗盘定位台，与仪表着陆进近系统的远距或中距指点标配套安装的低频，或中频无线电信标装置。

CDMA cellular and PCS bands mixer offers high linearity, low noise and differential intermediate frequency output.

蜂窝和PCS频段的CDMA混频器可提供高线性度、低噪声和差分中频输出。

When an intermediate frequency electromagnetic field of 12 kW with the frequency of 2500Hz, high quality hollow billets can be gained. Horizontal electromagnetic continuous casting of copper tube blanks was proposed.

当施加功率为12kW、频率为2500Hz的中频电磁场时，得到了表面光滑、宏观凝固组织中具有高等轴晶的比率的高质量空心管坯。

The calculation results show that the populations between the two states are Rabi oscillation in the absence of the rf field, square-wave oscillations in the presence of the slow rf field, and stair steps oscillations in the presence of the intermediate rf field.

计算结果表明：当调频场的频率比较低时，从一个态到另一个态的跃迁几率随时间演化为方波振荡；当调频场为中频时，跃迁几率为阶梯型振荡；在高频调频场中出现调频场的多光子共振。

Main research results are as follows:The distribution of electromagnetic field in inductor goes sameness when imposing high frequency magnetic field and intermediate frequency magnetic field where the magnetic flux density is symmetry along the center of inductor height and in which the distance from the center of inductor is further, the magnetic flux density is stronger.

主要结论如下：感应器通入高频电流和中频电流两种情况下，感应器内部的磁场分布趋势相同，感应器内部的磁感应强度沿感应器高度中心对称，半径越大的位置，磁感应强度越强。

Stronger magnetic flux density could be obtained when imposing intermediate frequency magnetic field and the shape of melt surface rises higher when frequency of magnetic is 2.5kHz than 30kHz.

施加相同电源功率情况下感应器内通入中频电流时可以获得更大的磁感应强度。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了