电弧法

An arc-discharge facility was improved by adding two graphite plates to the electrodes to form a spherical cap capacitor in the vacuum cavity so that an additional electric field of appropriate intensity could be generated.

利用改进的电弧放电法，在真空放电室内分别安装两枚石墨极板，使之形成一个球冠型电容器。

Troilite, rare on earth but a common mineral found in meteorites, was synthesized by arc-discharge method for the first time.

首次用电弧放电法合成出在地壳中罕见而在陨石中却常见的矿物——陨硫铁。

The problems of applying characteristic harmonic method to identify welding torch attitude based on rotational arc sensor were researched.

以旋转电弧作为传感器，研究了利用特征谐波法进行焊枪空间姿态检测的若干问题。

Mo0.85Nb0.15Si2 single crystal was then prepared by using optical floating zone melting method at a rate of 4mm/h.

以电弧熔炼得到的合金为母合金，通过光学悬浮区域熔炼法，选择适当的生长速度4 mm/h制备了(Mo0.85Nb0.15)Si2单晶，单晶结构为C40结构。

The results show that the quality of AlN thin films are improved with the increase of N2 flow rate.

摘 要：介绍了一种应用电子浴辅助阴极电弧源法合成AlN薄膜的新方法，研究了N2流量、阴极偏压、工作气压等工艺参数对合成AlN薄膜质量的影响规律。

In the present study, tungsten oxide nanomaterials were synthesized by a modified plasma arc gas condensation technique. The effects of the plasma currents (70~90 A), chamber pressures (200~600 torr), production time（3~12 min）, oxygen partial pressure Ar:O2（1~6:1）and plasma including the hydrogen（0~10 %）on the preparation of tungsten oxide nanostructures were investigated. Pre-treatment on the tungsten oxide nanorods for surface modification was investigated by atmospherical plasma jet. The optical, filed emission, and gas sensing characteristics of tungsten oxide nanopowders were also examined.

本研究系利用电浆电弧气凝合成法来制备氧化钨奈米材料，分别探讨不同腔体压力（200~600 torr）、电浆电流（70~90 A）、制备时间（3~12 min）、氧分压Ar：O2（1~6：1）、电浆气含氢量（0~10 %）对於产物的形貌、相态影响，并使用常压低温电浆设备对氧化钨奈米棒进行表面处理，且针对氧化钨奈米材料的光学、场发射以及使用自行组装气体感测量测设备量测其气体感测特性。

On the basis of cognition of the potential significance of welding arc spectrum dynamic characteristics and with the destination to find out new sensoring method of metal transfer,this paper provided the parasynchronous principle and in turn verified the relationship between the pulses in the waveform of arc spectrum signals and metal droplet transfer with para high speed photography apparatus.

基于对熔化极气体保护焊电弧光谱信号动态特征重要意义的认识，以发现新的熔滴过渡传感方法为目的，本文提出准同步高速摄影法，设计了准同步光谱信号-高速摄影检测装置，验证了光谱信号波形中的脉冲是熔滴过渡所为，它们之间存在着确定的对应关系。

First, the mismatching factors of submerged arc welding and shielded metal arc welding of S355ML steel (65mm thickness) were determined with "direct measurement method". Then, the butt welds of SAW and SMAW were made to full thickness fracture toughness specimens and the fracture toughness in welds centre were measured by CTOD test.

用&直接测量法&确定了低合金高强钢S355ML钢板（厚65mm）自动埋弧焊和手工电弧焊的焊缝强度匹配系数，同时将这两项焊接工艺的对接焊缝制成全厚度断裂韧度试样，运用裂纹尖端张开位移试验方法测定其焊缝中心的断裂韧度。

Have a 15-ton electric arc furnace, 15-ton AOD furnace, 3-ton electric-hydraulic hammer, air hammer, common lathe, CNC lathe, large-diameter end face lathe, vertical lathe, drilling and other production equipment more than 100 Units; the existing chemical composition analysis equipment, Portable Direct Reading Spectrometer alloy composition analyzer, SPECTRO desktop direct reading spectrometer, complete sets of metallographic analysis, ultrasonic flaw detector, magnetic particle flaw detector, universal tensile testing machine, impact tester, hardness testing, ultrasonic thickness testing equipment, etc., production fully equipped, perfect testing means, at home with the industry's leading annual production of alloy steel, stainless steel bar and forging material 30,000 tons, 5,000 tons of finished flanges.

拥有15吨电弧炉、15吨AOD炉、3吨电液锤、空气锤、普通车床、数控车床、大口径端面车床、立车、钻床等生产设备100多台；现有化学成份分析设备、便携式直读光谱合金成份分析仪、SPECTRO台式直读光谱仪、成套金相分析、超声波探伤仪、磁粉探伤仪、万能拉力试验机、冲击试验机、硬度试验、超声波测厚仪等检测设备，生产设备齐全，测试手段完善，在国内同行业领先，年生产合金钢、不锈钢棒材及锻材30000吨、成品法兰5000吨。

In this study, we evaluated Cr2O3/CrN duplex coating synthesized by PVD cathodic arc deposition processes for potential applications in molding dies Cr2O3/CrN thin films were controlled at the thickness of 3μm Scanning electron microscopy was used to investigate the cross section and thickness.

本研究中，我们以铝压铸模具材料为基材，并利用阴极电弧沈积(Cathodic arc deposition， CAD)法在试片表面沈积厚度3μm之Cr2O3/CrN超硬复层膜，来评估此制程之膜层对高温铝合金之抗熔损性行为。

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。