查询词典 electric arc

Spectral analysis of soil trace elements is based on fractional distillation of the element being detected in electric arc plasma.

本法根据被测元素在电弧等离子体中的分馏效应原理，选择合适的电极规格和内标缓冲剂，对土壤微量元素进行定量测定。

Most primary use of it is raw material for melamine formaldehyde resin, which is high hardness, noninflammable, resisting water, heat, aging, electric arc and chemical corrosion, with good insulation performance, gloss and mechanical strength, widely used in wood, plastic, coating, papermaking, textile, leather, electrical and pharmaceutical industries.

最主要的用途是作为生产三聚氰胺甲醛树脂的原料，该树脂硬度较高，不易燃，耐水、耐热、耐老化、耐电弧、耐化学腐蚀，有良好的绝缘性能、光泽度和机械强度，广泛运用于木材、塑料、涂料、造纸、纺织、皮革、电气、医药等行业。

An extremely hot flame can be produced from an oxyacetylene torch. For certain welds an electric arc is used.

氧乙炔焊炬可能会产生极其热的火焰，对于某些焊缝来说可能会用到电弧，在此方法中，电流通过两个电极，并且金属表面被置于两电极之间。

The improved piecewise linearization model is proposed based of the AC electric arc theory.

利用交流电弧理论，建立了电弧炉伏安特性分段线性化模型。

Through changing the preignition time and the excitation time of sparkle light source,electric arc light source and trace analyzing light source,the method shortening excitation period for analysis of mid of low alloy steel is studied.

研究了通过改变预燃时间，火花光源、电弧光源、痕量分析光源的激发时间来缩短激发周期进行中低合金钢分析的方法，通过实验将分析周期从34s缩短到23s，从精密度实验、稳定性实验、结果对照来看该方法是切实可行的，并取得了很好的经济效益。

According to heavy-duty rail welding of containers at the port of Shantou,this paper studied high-carbon high-strength alloy-rail welding by using regular manual electric arc welding technology.

针对汕头国际集装箱码头重型钢轨的焊接问题，对高碳高强合金钢中的重型钢轨用常规的手工电弧焊焊接工艺进行了研究。

In addition, the original sizes of the worn components can be restored by means of thermal spray. The feedstock wires perform the function of self-consuming electrodes and compressed air is propelling gas in the electric arc spray.

可以对材料表面性能（如耐磨性、耐腐蚀性、耐高温隔热性等）进行强化或再生，起到保护作用，并能对因磨损、腐蚀或加工超差引起的零件尺寸减小进行恢复。

The perfectly designed square-wave insures the stableness and concentration of electric arc .

设计理想的方波电源，确保了电弧的稳定和集中。

Development and Application of Magnesia-Carbon Taphole Brick for a 60 t Ultra-High Power Electric arc Furnace;2. Using of selfflowing mending material to mend taphole of 25t converter in Laiwu iron and steel general works,it can overcome the defects which are consisted of mending material on taphole to be corroded easily and difficulty to control the tapping time,etc,.

采用自流补炉料修补莱钢25t转炉出钢口，克服了原出钢口喷补料易被侵蚀而造成的出钢口寿命短、出钢时间不好控制等缺陷，使转炉出钢口寿命大大提高，出钢时间一般能控制在90～120s，降低了放钢温度，提高了转炉炉龄及其他经济技术指标。

It is analysed that it is necessity,feasibility that Zhuzhou Smelts adjust the structural of raw materials about zinc smelts.And it propose that the electric arc furnace dust supplies for zinc resource two times , thus solve the problem that the zinc smelts raw materials insufficient in supplely.

提出了株冶应根据电弧炉烟尘等二次锌原料与中性浸出渣化学组成性质上十分类似的特点，采用挥发回转窑处理电弧炉烟尘等二次锌原料，从而解决锌冶炼原料供应不足的问题。

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。