Ultrasonic inspection for copper alloy forgings of ship
适用范围:本标准规定了铜合金锻件超声波检测的一般要求、试块、检测条件和灵敏度调整、缺陷的评定、质量等级及检测报告等。本标准适用于A型脉冲反射式超声波检测方法对厚度大于等于12mm的铜合金锻件超声波检测。
发布日期:2008-03-17 实施日期:2008-10-01
Iron and steel - Ultrasonic testing of H beams with parallel flanges and IPE beams.
Electrotechnical terminology - Ultrasonics
适用范围:GB / T 2900 的本部分规定了电工术语所用的超声学的术语和定义。本部分适用于与超声有关的学科和技术领域。
发布日期:2011-07-29 实施日期:2011-12-01
实施日期:2008-02-29
发布日期:2006-03-20 实施日期:2006-03-01
Niederspannungsschaltgeraete. Steuergeraete und Schaltelemente. Verfahren zur Abschaetzung der Leistungsfaehigkeit von Schwachstromkontakten. Besondere Pruefungen Low-voltage switchgear and controlgear...
适用范围:This part of IEC 60947 applies to separable contacts used in the utilization area considered, such as switching elements for control circuits. This standard takes into consideration two rated voltage a...
实施日期:2003-12-18
Production in optical engineering; ultrasonic cleaning machines; areas for cleaning tanks
适用范围:Production in optical engineering; ultrasonic cleaning machines; areas for cleaning tanks
International Electrotechnical Vocabulary - Part 802: Ultrasonics
适用范围:IEC 60050-802:2011 defines terms specifically relevant to ultrasonics for inclusion in a new part of the International Electrotechnical Vocabulary. In this part of IEV, the terms and definitions are wr...
发布日期:2011-01-12 实施日期:2011-01-12
Technical requirement for environmental protection product Supersonic flowmeters of wastewater
发布日期:2007-11-22 实施日期:2008-02-01
Ultrasonics. Hydrophones. Part 1:Measurement and characterization of medical ultrasonic fields up to 40 MHz
适用范围:Ultrasonics - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields up to 40 MHz; Corrigendum 1
实施日期:2008-08-01
Non-destructive testing - Acoustic emission testing - General principle
适用范围:本标准规定了对应力作用下的结构、部件及不同材料进行声发射检测的一般原则。本标准为有关具体产品、设备、材料声发射检测标准或书面作业指导书的制定提供指南。除有特殊规定外,本标准的内容为最低要求。
发布日期:2011-06-16 实施日期:2012-03-01
Low-voltage switchgear and controlgear. Part 5-1:Control circuit devices and switching elements. Electromechanical control circuit devices
适用范围:This standard applies to control circuit devices and switching elements intended for controlling, signalling, interlocking, etc. of switchgear and controlgear. It applies to control circuit devices hav...
实施日期:2010-04-01
Non-Destructive Testing. Ultrasonic Examination. Part 5:Characterization and Sizing of Discontinuities Includes Amendment A1:2003
实施日期:2000-11-01
Petroleum and natural gas industries-Non-destructive testing (NDT)methods of steel tubes for pressure purposes-Ultrasonic testing of the area adjacent to the weld seam of welded steel tubes for the det...
适用范围:1.1 本标准按照三种小同的验收等级(见表1),规定了承压用焊接钢管焊缝附近分层缺欠的超卢波检测要求。 本标准的目的是用于检测焊缝附近可能影响焊缝完整性的分层缺欠和/或焊缝缺欠。 注1:此项检测也可按照SY/T 64...
实施日期:2000-04-01
Acoustics--Standard ultrasonic power source
适用范围:本标准规定了0.5~10MHz频率范围内,用于水中的标准超声功率源的主要性能参数,各分部的技术要求以及校准和使用方法。 标准超声功率源是一种稳定的、已知输出超声声功率的单频超声功率源。它由超声频振荡器、阻抗匹配器与换...
发布日期:1993-03-17 实施日期:1993-12-01
Beatmungsger?te für die medizinische Anwendung. Besondere Festlegungen für die grundlegende Sicherheit einschlie?lich der wesentlichen Leistungsmerkmale. Heimbeatmungsger?te zur Atemunterstützung Lung ...
适用范围:IEC 60601-1:1988, Clause 1 applies, except as follows.Amendment:This part of ISO 10651 specifies the basic safety and essential performance requirements for home-careventilatory support devices, intend...
实施日期:2009-06-30
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