| 1. | Numerical simulation and analysis of the droplet speading under arc brazing
电弧钎焊条件下的熔滴铺展的数值模拟与分析 |
| 2. | Specific surface of droplet
熔滴比表面积 |
| 3. | Study on flame - retardant and anti - dripping of a novel organic phosphate for the treatment of polyester fabrics
新型有机磷酸酯对涤纶织物的阻燃和抗熔滴研究 |
| 4. | Tests on electric and optical fibre cables under fire conditions - part 1 - 3 : test for vertical flame propagation for a single insulated wire or cable - procedure for determination of flaming droplets particles
着火条件下电缆和光缆的试验.第1 - 3部分:单根绝缘电线或电缆垂直火焰蔓延的试验.火焰熔滴颗粒测定规程 |
| 5. | Tests on electric and optical fibre cables under fire conditions - part 1 - 3 : test for vertical flame propagation for a single insulated wire or cable - procedure for determination of flaming droplets particles
着火条件下电缆和光缆的试验.第1 - 3部分:单根绝缘电线或电缆垂直火焰蔓延的试验.火焰熔滴颗粒测定规程 |
| 6. | As plasma , welding arc has well electric character . exterior magnetic field can affect shape and movement of welding arc . and the welding bead and drops transfer can also be changed to improve the welding process and advanced the productivity
电弧作为一种等离子体,具有优良的导电性,用外部磁场可以改变电弧的形态和运动特性,影响焊缝熔池和熔滴过渡形式,大大改善焊接工艺,提高焊接生产效率。 |
| 7. | It pointed out the copoly - merization with phosphorus - containing flame retardant and monomers naphthylenediol , naphthylene diacid and glycerol together with the dosages of nano - particles and layered structure silicates would be a viable route to anti - dripping to flame retardant polyester fibers
指出：磷系共聚阻燃改性技术辅以其它反应性单体、纳米添加剂等有利于改善涤纶的抗熔滴性和炭化阻燃作用。 |
| 8. | It has important significance to study the welding technology of variable polarity pulsed mig for high efficiency weding and good quality of welding products . we should control the welding current , output voltage and the process of melting drop more effectively
研究薄板铝合金变极性脉冲mig焊接技术,更有效地控制焊接电流、电压输出和熔滴过渡过程,提高焊接过程的稳定性、提高焊接速度,对于提高焊接效率和焊接产品质量具有重要的意义。 |
| 9. | The results show that the sinters for the bf in shuicheng iron and steel co . , ltd . have middle rdi ( low temperature reduction degradation index ) , choice ri ( reduction index ) , wider softening temperature range , high start melt and dropping temperature , smaller melt and dropping temperature range
研究结果表明，水钢烧结矿具有中等及中等偏下的低温还原粉化性能和优良的还原性能；软化区间偏宽，开始熔化温度高和开始滴落温度高，却有较窄的熔滴区间。 |
| 10. | Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting " . under the condition of constant diameter of welding wire and its feeding speed , the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply . if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition , the welding process will be stable with less spatter and smooth weld bead
通过分析不同焊接规范下的焊接电压和电流的波形.研究了水蒸气保护下电弧及熔滴过渡的特点，发现其电弧过程行为有“燃弧?熄弧?短路”和“燃弧?短路”两种形式.在焊丝直径和送丝速度一定的情况下，通过调节焊接回路中的电感量和电源电压，可以改变电弧的过程行为形式.若电弧过程呈“燃弧?熄弧?短路”交替进行，并且熄弧时间最短时，短路过渡频率最高，在这种情况下，飞溅小，焊道成型好，焊接过程稳定 |
