The use of Scanning Near field Acoustic Microscope (SNAM) in measuring the topography of precise surface is presented.
描述了一种用于检测超精表面形貌的扫描近场声显微镜（SNAM）。
Analyzes the design defects of ammonia condenser in SNAM ammonia stripping process urea plant and provides the improvement methods.
剖析斯那姆氨汽提法尿素生产装置中氨冷凝器的设计缺陷，提出改进措施。
This paper briefly introduces the leakage situation of titanium ammoinia strippers in domestic SNAM-type urea plants in recent years.
简要介绍了国内多家SNAM型尿素装置钛材氨汽提塔近年来出现的泄漏情况，对其泄漏的原因进行了分析，并对其检修情况作了介绍。
This paper briefly introduces the leakage situation of titanium ammoinia strippers in domestic SNAM-type urea plants in recent years.
简要介绍了国内多家SNAM型尿素装置钛材氨汽提塔近年来出现的泄漏情况，对其泄漏的原因进行了分析，并对其检修情况作了介绍。
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