A hydrogen arc discharge method for preparing SWNTs was developed in this research, by which high quality SWNTs can be synthesized in a large scale.
本研究提出一种有效制备单壁纳米碳管的半连续氢电弧法，实现了高纯度单壁纳米碳管的大量制备。
Welding methods and technology of narrow gap quirk backing weld were discussed. Indirect quirk backing weld using manual hydrogen arc welding is considered as the best result.
讨论了窄间隙深槽打底焊焊接方法和工艺，认为用手工氩弧焊进行单面深槽打底焊效果最好。
Because the hydrogen can significantly improve the arc voltage, make hydrogen plasma jet has high enthalpy, when mixed with argon plasma jet, the use of cutting ability is greatly increased.
由于氢气能显著提高电弧电压，使氢等离子射流有很高的焓值，当与氩气混合使用时，其等离子射流的切割能力大大提高。
Using the composite graphite rods with the sulphide of iron group metals as anode, the double-wall carbon nanotubes have been fabricated by arc discharging under hydrogen atmosphere.
用含有铁族金属硫化物的复合石墨棒作阳极，在氢气氛围下实施电弧放电，制备出了双壁纳米碳管。
The effect of Harc and liquid bridge coexist"of low hydrogen type covered electrode onthe arc stability and spatter is pointed out."
指出低氢型焊条的“弧桥并存”现象对电弧稳定性和飞溅的影响。
However, rectilinear carbon fibers were synthesized by the catalytic decomposition of acetylene with Cu nanoparticles and Ni nanoparticles as the catalyst prepared by hydrogen-arc plasma method.
然而，利用氢电弧等离子体法制备的纳米铜和纳米镍作为催化剂，催化热解乙炔，得到的产物均是直线型碳纤维。
Basd on the spectroscopic diagnosis in the water vapor arc plasma with high hydrogen, high oxygen and high enthalpy, it has contribution to arc physic knowledge and is of gre...
通过对具有高氢高氧高焓特征的水蒸气等离子弧的研究，丰富了电弧物理理论，并对水蒸气等离子弧电弧的应用前景具有指导意义。
The paper introduces the high toughnesses Ultra-low hydrogen electrode (new J807CF) which matches WCF—80 steel for manual arc welding.
本文介绍了高强高韧性超低氢新J807CF焊条，其各项性能均达到国外同类产品的先进水平，是WCF—80钢的专用配套焊条。
The paper introduces the high toughnesses Ultra-low hydrogen electrode (new J807CF) which matches WCF—80 steel for manual arc welding.
本文介绍了高强高韧性超低氢新J807CF焊条，其各项性能均达到国外同类产品的先进水平，是WCF—80钢的专用配套焊条。
应用推荐