1.Main defects and key technology in beamhouse effeeting.quality of pigskin garment leather producing were discussed in this paper.

1.本论了目前国内猪正服装革存在的主要质量缺陷,以及鞣前准备严重影响这些质量的关键工艺技术。

2.The surface defect appeared mainly as air bubbles and ferroferric oxide drops which centred around the lower outer - field portion of the stoneware cup.

2.观缺陷主要现为釉泡和氧化铁颗粒,且其集于杯体下部外侧面。

3.The pattern of fracture by impact penetration test and tensile fatigue test of thermite welding with stereoscan was observed,and the component of defect with energy spectrum was analyed.

3.观缺陷主要包括和夹杂,其由气和缩组成,夹杂物按形态和尺寸分为团簇状夹杂、锥状夹杂、粒状夹杂、积聚物夹杂、丝状夹杂和混合形夹杂。