密封,指严密地封闭。语出晋葛洪《抱朴子·金丹》:“又尹子丹法:以云母水和丹,密封致金华池中,一年出,服一刀圭,尽一斤得五百岁。” 密封可分为静密封和动密封两大类。密封是防止流体或固体微粒从相邻结合面间泄漏以及防止外界杂质如灰尘与水分等侵入机器设备内部的零部件或措施。静密封指严密地封闭密封舱密封容器用于密封函件和遗嘱的印章。
拉伸膜具体的包装形式方法(method): 1.密封(seal)包装: 密封包装(packaging)就像我们平常用的收缩膜包装一样,使用(use)方法(method)是:拉伸膜绕着托盘把托盘全包起来,然...
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密封圈 [机] sealing ring ; seat ring ; seal ring
密封试验 Seal test ; Test ; Leak test ; leakage test
密封件 Seals ; Packings ; [机] sealing element ; [化] seal components
机械密封 [机] mechanical seal ; Meachnical sealing part ; Burgmann ; Machinery seal
密封面 Sealing face ; Normal Pressure ; seal
密封胶 [机] sealant ; [机] seal gum ; Sealing Gum ; adhesive sealant ; sealant
密封的 airtight ; [机] hermetic ; [机] sealed ; leaktight
静密封 [流] static seal ; gasket-type seal
金属密封碟阀 Hard Seal Butterfly Valves ; Hard Seing Butterfly Vingves ; Diaphragm Valves ; HardSealButterflyValves
Some special seal rings were frequently used in hydraulic pressure system of radar antenna pedestal.
雷达天线座液压系统中常用到一些特种密封圈。
参考来源 - 特种密封圈跑合装置的研制The photocatalytic experiments were carried out in a glass airproof chamber of 4m3 and a stainless steel airproof chamber of 0.1m3.
实验主要是在一个4m’的密封舱和一个0.1m3的不锈钢密封小室内进行的。
参考来源 - 纳米光催化建筑材料降解室内外有害气体的应用研究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Result of the engine platform test showed that the valve had excellent air-tightness and wear-resistant properties, so could successfully satisfy requirements of the engine.
进一步的台架测试结果表明,排气阀在测试过程中表现出了优异的密封性和耐磨性,完全满足发动机的性能要求。
参考来源 - 金属型离心铸造TiAt the same time, the hermetic character of the latex gasbag has been tested. The feasibility of the kind of the underwater hermetic form has been validated.
在水箱中进行了对接装置的实验联调,综合显控系统实现了对对接装置的控制,并能实时显示对接装置的状态,同时测试了橡胶气囊密封性能,验证了该种水下密封形式的可行性。
参考来源 - 水下修理平台对接装置控制系统的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
这些器官保存在密封塑料袋里。
地板加了密封涂料防止渗水。
最后查出泄漏是由于密封处破裂所致。
Yes, and if we have gases involved, it's pretty similar, but now what will have is something like this. We'll have a reaction vessel that's sealed, it's constant volume.
如果涉及了气体,情况也很相似,只是现在的装置是这样的,我们有一个密封的反应容器,它的体积是恒定的。
So it's important to realize the role of ceramics; they need to make storage jars that could be sealed very well and preserve the stuff for a very long time, and indeed, they did that.
从中希腊人意识到陶艺的重要性,他们需要烧制可以密封得很好的,可以用来长久保存食物的陶罐,他们也的确这样做了
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