关 键 词 蝶 阀 ; 连 杆 增 力 机 构 ; 密 封 [gap=350]Keywords: butterfl yvalve;increasin gforcestructureofconnectin grod;sealin g
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The transient sealing design method of the flange based on the tightness was put forward and programmed.
4.提出基于紧密度的法兰瞬态密封设计方法并编程实现。
参考来源 - 高温大口径法兰瞬态密封设计方法研究A structure of incline plane shoulder has been designed to improve the sealing performance of the joint and it improved the sealing ability effectively compared with the API joint.
为了进一步提高接头的密封能力,设计了一种斜面台肩结构来改善钻杆接头的密封性能,与API结构相比有效的提高了密封性能。
参考来源 - API石油钻杆接头应力分析及结构改进研究The results indicated yttrium was introduced into the anodic film by yttrium salt sealing.
结果表明,通过硫酸钇脉冲封闭,可以将钇元素引入到氧化膜中。
参考来源 - 提高铝合金阳极氧化膜在高温下的抗开裂性能研究It was found that there were pitting corrosion on microarc oxidation aluminum alloy and the pitting was reduced after sealing treatment.
试验发现,微弧氧化后,铝合金在海水中的腐蚀形貌为点蚀,封孔处理可明显抑制点蚀的发生,厚度变化对耐蚀性影响不大。
参考来源 - 微弧氧化6061铝合金的腐蚀行为研究Objective:To explore the nursing point of infective traumatic surface treated by vaccum sealing drainage technique.
目的:探索负压封闭引流技术治疗损伤感染创面的护理要点。
参考来源 - 负压封闭引流(VSD)治疗损伤感染创面的护理观察—《中国医药导报》—2008年第15期—龙源期刊网Objective: to find out a simple, feasible way of sealing up venous indwelling needle for children which can also suit to the characteristics of children.
目的 :寻找一种简单、可行、适合儿科特点的静脉留置针封管方法。
参考来源 - 输液器内液体直接用于小儿静脉留置针封管效果的观察Low-melting sealing glass and rare-earth doped bismuth borate glass are the important systems of advanced borate glasses.
低熔点封接玻璃以及稀土掺杂铋硼酸盐玻璃是近年来新型硼酸盐功能玻璃研究的热点。
参考来源 - 新型硼酸盐功能玻璃结构及析晶动力学研究With the glass frit sealing-in technique, the packaging and test of the triode field emission display device were studied.
借助玻璃粉封接技术,研究了三极结构场致发射显示器件(FED)的封装和测试。
参考来源 - 高亮度三极CNT·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: waterproofing
以上来源于: WordNet
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