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- welding by spark 火花熔接
- The formation of weld microstructure in inertia friction welding by was studied mans of microscope,SEM and TEM. 利用光学显微镜、扫描电镜、薄膜透射电镜研究了惯性摩擦焊缝组织的形成。
- Some forest fires are caused by sparks. 一些森林火灾是由电火花引起的。
- The shell is welded by steel pate. 外壳为钢板焊成。
- A panoramic analysis of impurity contents in crude oxide powder ofuranium(U3O8)was described by spark source mass spectrometry, the impurity contents of 66 elements were obtained. 利用火花源质谱法对天然铀氧化物粉末(U3O8)样品进行杂质元素的全分析，获得了66种杂质元素的分析结果。
- The shell is welded by steel pate . 外壳为钢板焊成。
- It takes only two to four irradiations to inspect a sealing head weld by using the technology. 使用这种方法，一般只需两到四次透照就能完成封头焊缝的探伤。
- TC4 alloy can be welded by many kinds of methods such as TIG, MIG, PAW and electron beam welding (EBW in short). TC4钛合金在保护良好的条件下可以采用TIG、MIG、PAW及电子束焊等多种焊接方法。
- Repeatability and reproducibility of carbon in low-alloy steel analyzed by spark source atomic emission spectrometry are studied. 研究了火花源原子发射光谱仪分析低合金钢中碳的重复性和再现性。
- The investigation on the welding of AZ61 magnesium alloy showed that magnesium alloy could be welded by LBW. 采用CO2激光试验系统对AZ61镁合金的激光焊接工艺进行了研究。
- Under the same condition,616 high strength steel is welded by double wire MIG and single wire MIG welding technology. 采用双丝MIG、单丝MIG焊接工艺在相同条件下对616高强钢进行了焊接。
- OM, SEM, EDX and other techniques were used to analyze the porosity, microstructure and of nano-composite Ti(C,N)-based cermets produced by Spark Plasma Sintering(SPS). 采用放电等离子技术(SPS)烧结制备出纳米复合Ti(C,N)基金属陶瓷材料。
- The results show that the bead evidently presents “pin shape” when welded by laser TIG hybrid overlip welding. 结果表明,激光-TIG复合缝焊的焊缝为明显的“图钉型”形貌,上部分为TIG电弧焊接成形,下部分为典型的激光焊接成形。
- To reduce the shock wave and save the explosive charge, the paper invents a new method of double vertical explosive welding by experiment. 摘要为了削减爆炸冲击波和节省装药量，该文通过试验发明了一种新的爆炸焊接方法-双立法。
- A functionally graded material(FGM) was also produced by spark plasma sintering technology(SPS), and sintering powders of nano WC/10%Co, nano WC/12%Co, micro WC/15%Co and disk of stainless steel. 然后采用火花等离子烧结技术制备了硬质合金功能梯度材料,该材料由纳米WC/10%25Co、纳米WC/12%25Co、微米WC/15%25Co混合粉以及不锈钢圆片烧结而成。
- RESULTS Arteria carotis of rabbit was successfully weld by the laser circle blood vessel and nerve anastomosis apparatus. 结果由该光反射头组成的激光血管、神经环形吻合仪能够成功地吻合家兔颈动脉。
- Appreciable combustibles are more than 35 feet (10.7 m) away but are easily ignited by sparks. 显著（可观）的可燃物距离超过35英尺（10.;7米），但是容易被火星点燃。
- The new high-speed diffusion welding system for small and medium-diameter steel pipe welding by applying non-crystal filling metal has been deve loped. 利用非晶体填充金属焊接中、小直径钢管的新型高速扩散焊接系统已研制成功。
- He persuaded her to sign the document by guile. 他用欺骗手段说服她在文件上签字。
- British colonies were ruled by governors. 英国的殖民地由总督统治。
