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- Diamond films were deposited by means of the high current extended DC arc plasma CVD technique. 并在浸蚀过的硬质合金衬底上,用强电流直流伸展电弧等离子体CVD法沉积金刚石涂层。
- High current extended DC arc plasma 强电流直流扩展弧
- high current extended DC ARC 强电流直流伸展电弧
- high current DC extended arc plasma 强电流直流伸展电弧
- Stable electric arc can be ensured from undercurrent to high current. 从小电流到大电流都可以保持稳定电弧。
- We used DC arc discharge to synthesize carbon nanotubes. 在本论文中我们研究利用网印的技术来制做场发射显示器。
- SCR rectifier is the same as that of DC arc wilding generator. 从而使可控硅整流焊机的电弧穿透力与直流旋转焊机相当。
- The main work includes: 1.Large area high quality freestanding diamond thick films have been prepared by DC arc plasma jet CVD apparatus. 所完成的主要工作包括:1.;采用直流电弧等离子体喷射法沉积了较大面积的高质量金刚石自支撑厚膜;
- Unrivalled Handling of Fast High Current Pulse. 可通过较大的脉冲电流。
- Features: Low VCE(sat), high hFE and high current. 特点:饱和压降低,放大高和电流大。
- The f T is up to 7GHz at a DC bias of I C=40mA and V CE=8 V,which show high current handling capability. 在直流工作点 IC=4 0 m A ;VCE=8V测得 f T为 7GHz;表现出较大的电流处理能力 .
- The ACMS series can be used on high current circuits due to its low DC resistance. It can match power lines to a maxium of 3A DC. 由于ACMS系列产品之低直流阻抗之特性;使其适用于高电流电路;适合最高3安培直流电之电源信号线.
- For subsonic state (ion) high current vacuum arc, with the increase of electrode separations, the loss of interelectrode plasma increases. 对于离子处于亚音速状态的大电流真空电弧,随着开距的增大,极间等离子体的损失增多。
- On the basis of absorbing international congeneric advanced technology, the company empoldered a high efficient and power saving welding machine: the ZX7 series (IGBT) inverter DC arc welding machine. ZX7系列(IGBT)逆变式直流弧焊机是我公司吸收国际上同类先进技术的基础上开发的一种高效节能焊机。
- The power source has such performances as lift starting, DC arc welding, pulse welding, gas preflow, gas postflow, etc. 该电源具有提升引弧 、直流焊、脉冲焊、提前送气和延时断气等功能。
- High current MAG welding is an effective method to improve productivity.High-speed vidicon is used to study the effect of arc shapes and metal transfer on weld profiles. 采用高速摄像法对大电流MAG焊的电弧形态、熔滴过渡形式对焊缝成形的影响进行了研究。
- The control of arc deflection in DC arc steelmaking furnace is key topic of deveioping DC arcfurnace in China. 解决直流电弧炉的偏弧问题是发展我国直流电弧炉的一项关键技术。
- The pure nickel nanopowders were prepared by DC arc plasma evaporation method using self-designed and fabricated experimental apparatus. 采用自行研制的试验装置,用直流电弧等离子体蒸发法制备了高纯度的纳米镍粉。
- Special techniques are required when switching high current or low current. 在切换大电流或小电流时,都需要专门的技术。
- Nanocrystalline free-standing diamond films were deposited by 30kW DC Arc Plasma Jet CVD method on Molybdenum substrate with mixed fed gasses of Argon, Hydrogen and Methane. 在30kW级DC Arc Plasma Jet CVD(直流电弧等离子体喷射化学气相沉积)设备上,采用Ar-H2-CH4混合气体,在Mo的衬底上沉积出纳米金刚石自支撑膜。