实验发现弧根和弧梢处的气体温度相等,并随着气体流量的增大而下降。
It was found that the gas temperatures at arc root and arc tip are equal and they decrease with the argon flow rate increasing.
电弧弧根不应接触绝缘子表面,但允许电弧通道的中间部分可以擦过绝缘子。
The roots of the arc must not be allowed to come into contact with insulator surface, whereas the middle of the arc channel can do so.
随着气体流量的增大,弧梢处与弧根处的振动温度均下降,但弧梢处下降速率较快。
With gas flow rate increasing, the vibrational temperature at both tip and root decreases, but the decreasing rate at arc tip is faster than that at arc root.
结果表明:沿等离子体从弧根到弧梢位置,OH自由基数量迅速减少,O原子数量呈现先增多后减少的规律。
The results show that the number of OH radicals decreases rapidly and the number of o atoms follows a rule of increasing firstly and then decreasing from arc root to arc tip.
根据旋弧弧根处熔化液池的受力分析,在理论上建立了能描述旋弧喷溅侵蚀特性的函数关系式。此理论关系表明,在无外磁场作用下,液池中心受力最大,将形成中心喷溅;
According to the analysis of the applied forces on the molten poor at arc root the theoretical function in which the arc erosion of metal droplet ejection can be characterized was founded.
通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较,证明等离子弧清根对全焊透焊缝实施背面清根是可行的。
By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.
结果表明,清根方式对焊缝冲击韧度有明显影响,用碳弧气刨清根得到的焊缝冲击韧度最好,而用酸性衬垫得到的焊缝冲击韧度最差。
It was found that impact toughness of weld metal was maximum using carbon arc air gouging, and it was minimum using acid backing.
每根箍索每隔一段弧距通过焊接方法以圆柱或圆锥状的鼓身固定连接。
Each hoop cable is fixedly connected with the cylindrical or conical drum body at intervals of arc distance through the welding method.
突破性双面刷 头,弧型 刷头自然拉长及卷翘睫毛,并使睫毛根根分明;
Breakthrough Lash Extending brush has a curved side to lengthen and curl lashes.
所述换热面为拱形或向中间上方倾斜的换热面,由多根弧 形或向中间上方倾斜的换热管组成。
The heat exchanging surface is arched or is inclined upward at the middle part and consists of a plurality of heat exchanging pipes which are arc-shaped or inclined upward at the middle parts.
后根受损除了因相应支配区域感觉兴奋传入通路中断出现感觉丧失,还由于运动反射弧的完整性破坏,会引起肌肉运动功能失常。
Damage on dorsal roots lead to sense-conducting pathway interruption, as well as to exercise function and coordination ability disorder.
后根受损除了因相应支配区域感觉兴奋传入通路中断出现感觉丧失,还由于运动反射弧的完整性破坏,会引起肌肉运动功能失常。
Damage on dorsal roots lead to sense-conducting pathway interruption, as well as to exercise function and coordination ability disorder.
应用推荐