The results show that with the increased brazing temperature from 595℃ to 615℃,the melting erosion rate increases from 10% to 25%,the false brazing rate decreases from 10% to 2%.
结果表明,钎焊温度从595℃提高到615℃时,熔蚀率从10%提高到25%,虚焊率从10%降低到2%;钎料包覆率从8%提高到16%时,熔蚀率从25%提高到50%。
The molten steel corrosion and ultrasonic vibration resistance of a corundum stick,a tungsten alloy stick,a metal Mo stick coated with ZrO2 outside,and a Mo-Al2O3-ZrO2 ceramic metal tube were investigated for ultrasonic treatment of molten steel.
研究了刚玉棒、钨合金棒、外涂ZrO2金属钼棒和Mo-Al2O3-ZrO2金属陶瓷管在钢液中的熔蚀和抗超声波振动的情况。
A unique laser ablation method is proposed to prepare nano crystals in which graphite target is ablated by high power pulsed laser in liquid ,and nano crystalline carbon nitrides are prepared in ammonia solution for the first time.
本文提出一种独特的激光熔蚀法即在液体中激光熔蚀固体靶制备纳米晶,并且首次在氨水中激光熔蚀石墨靶制备出氮化碳纳米晶。
The analysis of optical microscope indicates that through the reasonable iron material proportioning,alkalinity,fuel consumption and moisture to promote the calcium ferrite and iron olivine formation,and to obtain the melting corrosion structure or the granular structure as primarily sinter,the sinter strength could be effectively increased.
通过光学显微镜分析表明,合理控制铁料搭配、燃耗、碱度和物料水分等条件,可以生成较多的铁酸钙和铁橄榄石,得到以熔蚀结构或粒(板条)状结构为主的烧结矿,可以有效的提高烧结矿强度。
Laser ablation inductively coupled plasma mass spectrometry was used for the rapid analysis of mercury in sediment samples.
采用激光熔蚀 电感耦合等离子体质谱法 (LA ICP MS)测定了底泥沉积物中的总汞 ,沉积物样品经高压压坯后直接进行激光熔蚀测定 ,并对内标选定、样品粒度以及汞的形态等影响因素进行了研究 ,以 2个底泥标准样和 1个土壤标准样的测定结果来绘制标准曲线 ,并用于实际样品的测定 ,方法简便实用 ,测定结果与同位素稀释冷蒸气发生ICP MS法十分吻合 ,方法检出限为 0 0 2mg·kg-1,测定速度可达每小时 10
Laser ablation inductively coupled plasma mass spectrometry was used to determin thirty trace elements from the center to the edge of the manganese concretion.
应用激光熔蚀 -等离子体质谱法 ,以 Fe作内标 ,定量地测定了太平洋海山顶部锰结壳中 ,自核心到核表面不同层次中的 30多个微量元素的含量。
A novel pulsed laser ablation technique has been used for the synthesis of nano crystalline diamond from a solid graphite target in the reactive liquid.
采用液体水中激光熔蚀固体石墨靶的方法,制成品形较好的六方金刚石相和立方金刚石,还观察到一种柱状纳米金刚石晶体。