感应

The welding of end ring of alternating current machine and the conducting bar is the key technology for manufacturing of asynchronous traction motor with high power. China South Locomotive and Rolling Stock Industry Corporation had taken this significative study as a key project for the manufacturing of alternating current machine. According to the welding of end ring of alternating current machine, the welding of copper and copper alloy is described in this paper. Results obtained in this study are as follows. 1.By the comparison of oxyacetylene gas brazing, induction brazing and resistance brazing, it was found that high-quality welding joint could be obtained by induction brazing, which also had the highest efficiency.

交流电机端环与导条的焊接是大功率异步牵引电动机制造的一项关键技术，开展其焊接工艺研究具有重要的意义，中国南车电机公司将此课题作为解决交流电机制造的一个重点项目，本文结合交流电机转子端环焊接的课题，对铜及其合金的焊接进行了研究，主要研究结论如下： 1、通过氧乙炔火焰钎焊、感应钎焊、电阻钎焊等焊接方法的对比试验发现感应钎焊可获得优质的焊接接头，且感应钎焊的焊接效率也是最高的。

Objective To develop a new type of respiratory inductive plethysmograph to achieve high signal-noise rate and low system power cost, and also to eliminate the cross-talk between chest and abdominal band sensors. Method Either of the two bands was powered by a very high power oscillator in a very short time, and these two bands were switched on in turn.

目的 为解决呼吸感应体积描记技术存在的高信噪比与低系统功耗之间的固有矛盾，并消除胸、腹信号耦合干扰，研发一种新型的呼吸感应体积描记技术，并以可穿戴技术的设计理念，设计出可穿戴式呼吸感应体积描记系统。

The design analyzes the improvement of power factor, the phenomenon of self-excitation,the way of control and protect, and the reasons of usual problem.

分析、讨论了感应发电机功率因数的改善和感应发电机的自励现象、控制、保护以及感应发电机运行中常见故障原因及排除方法。

This dissertation qualitatively analyzes the relation of load inductor equivalentresistance and inductance, the coil number N, the frequency of coil current f, themagnetoconductivityμr of the heated object and the semidiameter of the inductionheating coil r3. The conclusion can efficiently guide the dimension design and materialselection of the induction heating coil in engineering application.

推导了负载感应器等效电塑料托盘阻R和等效电抗X计算公式，并对其进行了仿真(采用ANSOFT MAXWELL 2D／3D有限元仿真软件进行仿真)和实验验证，仿真和实验结果表明本文推导的负载感应器数学模型正确，负载感应器等效电阻和等效电抗计算公式准确。

Then can weld starting the resistance directly on the rotor winding, and cancel collecting the electric ring and electric brush.

将定子一种极数的磁场感应于转子绕组中的电流，通过集电环和电刷，但由另一种极数的磁场感应的电流，却自动流经另一闭合回路，而不通过集电环和电刷：于是，如果后一种极数是电动机的工作基波磁场，而把前一种极数作为用以起动的谐波磁场，则可以把起动电阻直接焊接在转子绕组上，而把集电环和电刷取消，从而出现了转子电路上无集电环、无电刷、无触点的谐波起动绕线型感应电动机。

Institute of Power and Electronic Technology, Naval University of EngineeringAbstract : Due to the existence of long unexcited primary between the import and export of linear induction motor with multi-segment primary, the static longitudinal end effect are different comparing with conventional LIM.

多段初级直线感应电动机(linear induction motor，LIM)由于在通电初级绕组外还存在较长的不通电初级铁心，因此这种结构的直线感应电动机的磁场边界条件与传统直线感应电动机不同，静态纵向边端效应对电机性能的影响也存在较大差异。

Mutation of the AZELAIC ACID INDUCED 1 (AZI1) gene, which is induced by azelaic acid, results in the specific loss of systemic immunity triggered by pathogen or azelaic acid and of the priming of SA induction in plants.

可感应壬二酸的壬二酸感应基因(AZI1)的突变，导致了由病原体或植物体中的壬二酸和SA感应起始所触发的特定性丢失。

In a first aspect, this invention provides a surface-mount inductive loop detector including: a pad having encased therein an inductive loop which is adapted for connection to an external electronic controller device; said pad being fixed within a hardened, bevelled peripheral edge that is provided with means for fixing the pad to a surface.

在第一方面，本发明提供一种表面安装感应环检测器，包括：垫，该垫具有被封装在其内的感应环，该感应环适用于连接到外部电子控制器设备；所述垫被固定在已硬化的、倾斜外周缘内，该外周缘设有用于把该垫固定到表面的装置。

Owing to electromagnetic field selective heating materials, the energy is first deposited in the gold portion and then the substrate is conductively and inductively heated.

选用垂直于其表面的射频磁场对镀金膜的硅片进行了感应加热，由于磁场对材料加热具有选择性，感应热量首先作用于硅片上的金膜内，硅片先被传导加热到一定温度，然后被感应加热。

A plasma generation apparatus includes: a chamber having a chamber lid and defining an airtight reaction region; a susceptor in the chamber; a gas supply means supplying a process gas to the chamber; and a toroidal core vertically disposed with respect to the susceptor through the chamber lid, comprising: a toroidal ferromagnetic core combined with the chamber, the toroidal ferromagnetic core having a first portion outside the chamber and a second portion inside the chamber, the second portion having an opening portion; a radio frequency power supply connected to the chamber; an induction coil electrically connected to the RF power supply, the induction coil rolling the first portion; and a matching circuit matching an impedance between the RF power supply and the induction coil.

一种等离子体产生装置包括：一腔室，其具有一腔室盖并界定一气密反应区域；一在所述腔室中的基座；一气体供应构件，其将一制程气体供应到所述腔室；和一环形铁芯，其穿过所述腔室盖相对于所述基座垂直设置，所述环形铁芯包含：一与所述腔室相组合的环形铁磁芯，所述环形铁磁芯具有一在所述腔室外的第一部分和一在所述腔室内的第二部分，所述第二部分具有一开口部分；一连接到所述腔室的射频电源；一电连接到所述RF电源的感应线圈，所述感应线圈卷绕所述第一部分；和一匹配电路，其匹配所述RF电源与所述感应线圈之间的一阻抗。

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。