ultrasonic testing是什么意思

网络释义

用法例句

Study on the Property of NiCrFe-Cr_2C_3 Coating by Supersonic Arc Spraying;

NiCrFe-Cr_2C_3合金超音速活性电弧喷涂涂层性能的研究

Mixing and combustion in supersonic combustor with flame holders;

凹槽稳焰的超音速燃烧室内混合和燃烧特性分析

An Aeroservoelastic Analysis Method for Supersonic Missiles Based on Local Piston Theory;

一种基于当地流活塞理论的超音速导弹气动伺服弹性分析方法

The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.

介绍一种基于ZCS-PWM(零电流开关-脉宽调制)技术的新型超音频感应焊接电源。

This paper regards ultra-audio frequency induction heating power supply as the research object.

本文以超音频串联谐振式感应加热电源为研究对象,首先介绍了感应加热的基本原理及感应加热技术的发展动态。

This paper introduces simply a 100 kW 20 kHz supersonic frequency induction heating power supply using IGBT modules.

介绍采用ＩＧＢＴ组成的１００ｋｗ２０ｋＨｚ超音频感应加热电源。

A 25～55 kHz serial DC chopping IGBT supersonic frequency induction heating power supply is introduced, and the topology and operating principles of the power supply are described.

介绍工作频率为２５～５５ｋＨｚ串联型直流斩波ＩＧＢＴ超音频感应加热电源的基本结构和控制原理。

Optimization of parameters in the shock wave system of the regular reflection for supersonic flow;

超音速流在正规反射激波系后的参数优化特性

Based on the Krmn_Donnell theory of thin shells,the first order piston theory in aerodynamics and the Boltzmann superposition principles in viscoelasticity,a mathematical model of viscoelastic cylindrical shells in supersonic flow is set up.

基于薄壳的Krmn_Donnell假设、空气动力学中的一阶活塞理论和粘弹性力学中的Boltzmann叠加原理 ,给出了超音速流动中粘弹性圆柱壳的数学模型。

To do that, the extended-SIMPLE algorithm(considering density-correction) is used in the range of all Mach numbers, especially for supersonic flows.

在研究过程中，将扩展SIMPLE算法(考虑密度修正)应用到全马赫数范围内、尤其是超音速流动中，计算中对激波处理采用了激波捕捉方法。

The Ultrasonic Arc Spray Forming and Its Applicational Prospect in the Field of Precious Metals;

超音速电弧喷射成形技术及其在贵金属领域中应用的展望

Research, Development and Application of High-effiency Ultrasonic PlazJet Coating Technique;

高效能超音速等离子喷涂技术的研究与开发应用

Using commercial titanium and aluminum wires,Ti-Al composite coatings were prepared on the substrate of LY12 aluminum alloy by ultrasonic arc spray equipments of SAS-II,and microhardness of coatings were determined.

利用SAS-Ⅱ型超音速电弧喷涂设备、工业级钛、铝丝材在LY12铝合金基体上制备了钛铝复合涂层,并对其显微硬度进行了测定。

Scheme effect analysis of numerical simulation on hypersonic double-cone flows;

高超音速双锥绕流数值模拟的格式效应分析

Investigation on one aid hypersonic inlet starting method;

一种辅助高超音速进气道起动方法研究

Existing engineering methods for supersonic/hypersonic flow are combined and extended to compute the unsteady aerodynamic loads for arbitrarily shaped aircrafts.

将超音速、高超音速气动力工程计算方法综合起来,推广到非定常气动力的计算,并用于求解任意外形飞行器作强迫运动时的非定常气动力。