电弧光谱

In this system we developed, according to spectrum of arc light and the relationship between arc, welding current and radiation, corresponding filter system is applied to filter ultraviolet radiation and part of visible light from arc light.

在系统中，鉴于弧光的光谱信息及其与焊接电流及电弧区国辐射之间的关系，采用了相应的滤光系统将强烈的紫外及部分可见光滤除，并将余留的光作为光源，通过CCD摄像机拍摄到了较稳定的近缝区图像。

The research on TIG welding arc ultraviolet spectrum has been completed by using this system.

利用此系统对TIG焊电弧紫外光谱进行了研究，成功地获得了不同焊接规范下。。。

Strontium sulfate was used as the internal standard. Emission spectrography was used. The analytical line pair was chosen Ba307.159nm/Sr293.183nm.

选硫酸锶作为内标，采用发射光谱粉末法，分析线对选用Ba307.159 nm/Sr293.183 nm，试样用直流电弧激发。

Units owned equipment, the main production equipment 580 Units, Italian IMF has introduced the company's resin-bonded sand box modeling off line, 2 Units 3-ton electric arc steelmaking furnace, 40 tons of computer control the whole rationale for fiber outside the hot gas furnace, CNC machine tools , Co60-ray machine and the introduction of control the United States hurt the company's 32-channel Baird casthouse Express Direct Reading Spectrometer and other important advanced equipment.

公司拥有设备1130台，其中主要生产设备580台，有引进意大利IMF公司的树脂砂脱箱造型线、2台3吨电弧炼钢炉、40吨微机控制全纤维燃气热外理炉、数控机床、Co60射线控伤机及引进美国BAIRD公司的32通道炉前快速直读光谱分析仪等重要先进设备。

A spectroscopic apparatus with high resolution in both time and space is designed and developed by oneself.

自行设计和研制了适合焊接电弧特点的具有较高时间与空间分辩率的光谱诊断装置。

Both absolute intensity method and Boltzmann diagram method are used to obtain the excitation temperature of plasma jet.Thus a thermometric method for low-pressure arc-plasma is presented.

笔者在真空环境中，用以氩气为工质的电弧加热发动机的射流为低压等离子体源，建立了光谱测温实验系统，分别采用绝对强度法和波尔兹曼图法得到了射流的激发温度，从而给出了一种测量低气压下电弧等离子体射流温度的方法。

This paper presents the diagnosed results for argon nitronitrogen mixture jet as the second part for spectroscopic diagnosis method on non equilibrium arc boated jet .

本文是非平衡电弧加热射流光谱学诊断方法实验研究工作的第二部分，给出了氩，氮混合射流的结果，证明亚声速射流中确有非平衡囊兜现象存在

The research on TIG welding arc ultraviolet spectrum has been completed by using this system.

利用此系统对TIG焊电弧紫外光谱进行了研究，成功地获得了不同焊接规范下。。。韩国明吴钊柳刚李俊岳

According to the actual characteristic of the TIG welding arc, the spectrum Stark broadening is used to analyze electron density and the dual linear spectrum is used to analyze arc temperature.

结合TIG焊接电弧的实际特点，本课题采用发射光谱的Stark展宽分析电弧电子密度，采用双线法分析电弧温度。

The measure principles and optical paths of multi-line spectrum analysis,multi-channel radiation pyrometer,and laser speckle photography were introduced.

综述了几种电弧等离子体温度场的诊断技术，阐述了光谱多线解析法、多通道辐射高温计法、散斑照相法的测量原理和光路设计，分析比较了光谱多线解析法、多通道辐射高温计法、散斑照相法等方法的优缺点。

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。