
发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Performance test method of ultrasonic elastography equipment based on acoustic radiation force
Ultrasonic elasticity measurement device of liver tissue based on external vibration
本标准规定了基于使用辐射力天平测定超声换能器总的辐射声功率的方法;建立了由靶获取待测声场并使用辐射力天平进行测量的原理;明确了辐射力方法在发生空化和温升情况下的使用限制;确定了辐射力方法在存在发散和聚集波束情况下的定量使用限制;提供了评估所有测量不确定度的信息。 本标准适用于: 使用辐射力天平
Acoustics.Ultrasonics power measurement.Radiation force balances and performance requirements
PERFORMANCE STANDARDS FOR SONIC, INFRASONIC, AND ULTRASONIC RADIATION-EMITTING PRODUCTS
PERFORMANCE STANDARDS FOR SONIC, INFRASONIC, AND ULTRASONIC RADIATION-EMITTING PRODUCTS
PERFORMANCE STANDARDS FOR SONIC, INFRASONIC, AND ULTRASONIC RADIATION-EMITTING PRODUCTS
本标准规定了超声成像测井仪的原理与组成、要求、试验方法、检验规则及标志、包装、运输和贮存。 本标准适用于超声成像测井仪(以下简称仪器)的设计、制造、检验和质量评价
Ultrasonic imaging logging tool
本文件规定了基于使用辐射力天平测定超声换能器总辐射声功率的方法;阐明了由靶截取待测声场并使用辐射力天平测量的原理;明确了辐射力方法在发生空化和温升情况下的使用限制;明确了辐射力方法在发散和聚焦波束情况下的定量使用限制;提供了利用辐射力法估计发散和聚焦波束声功率的资料;提供了评估所有测量不确定度的资料
Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements
Ultrasonic Imaging Logging Tool
Acoustic Noise Measurement Procedure for Diagnosing Magnetic Resonance Imaging Devices
The purpose of this NEMA Standards Publication is to provide methods to determine the acoustic noise level of an MR system. Two measurement procedures
Acoustic Noise Measurement Procedure for Diagnosing Magnetic Resonance Imaging Devices
Ultrasonics - Power measurement - Radiation force balances and performance requirements (Remains Current)
Ultrasonic Power Measurement in Liquids in the Frequency Range 0.5 MHz to 25 MHz (Incorporates Amendment A1: 1998)
Ultrasonic Power Measurement in Liquids in the Frequency Range 0.5 MHz to 25 MHz (IEC 1161:1992)
Performance test method of ultrasonic elastography equipment based on acoustic radiation force
Ultrasonic elasticity measurement device of liver tissue based on external vibration
本标准规定了基于使用辐射力天平测定超声换能器总的辐射声功率的方法;建立了由靶获取待测声场并使用辐射力天平进行测量的原理;明确了辐射力方法在发生空化和温升情况下的使用限制;确定了辐射力方法在存在发散和聚集波束情况下的定量使用限制;提供了评估所有测量不确定度的信息。 本标准适用于: 使用辐射力天平
Acoustics.Ultrasonics power measurement.Radiation force balances and performance requirements
PERFORMANCE STANDARDS FOR SONIC, INFRASONIC, AND ULTRASONIC RADIATION-EMITTING PRODUCTS
PERFORMANCE STANDARDS FOR SONIC, INFRASONIC, AND ULTRASONIC RADIATION-EMITTING PRODUCTS
PERFORMANCE STANDARDS FOR SONIC, INFRASONIC, AND ULTRASONIC RADIATION-EMITTING PRODUCTS
本标准规定了超声成像测井仪的原理与组成、要求、试验方法、检验规则及标志、包装、运输和贮存。 本标准适用于超声成像测井仪(以下简称仪器)的设计、制造、检验和质量评价
Ultrasonic imaging logging tool
本文件规定了基于使用辐射力天平测定超声换能器总辐射声功率的方法;阐明了由靶截取待测声场并使用辐射力天平测量的原理;明确了辐射力方法在发生空化和温升情况下的使用限制;明确了辐射力方法在发散和聚焦波束情况下的定量使用限制;提供了利用辐射力法估计发散和聚焦波束声功率的资料;提供了评估所有测量不确定度的资料
Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements
Ultrasonic Imaging Logging Tool
Acoustic Noise Measurement Procedure for Diagnosing Magnetic Resonance Imaging Devices
The purpose of this NEMA Standards Publication is to provide methods to determine the acoustic noise level of an MR system. Two measurement procedures
Acoustic Noise Measurement Procedure for Diagnosing Magnetic Resonance Imaging Devices
Ultrasonics - Power measurement - Radiation force balances and performance requirements (Remains Current)
Ultrasonic Power Measurement in Liquids in the Frequency Range 0.5 MHz to 25 MHz (Incorporates Amendment A1: 1998)
Ultrasonic Power Measurement in Liquids in the Frequency Range 0.5 MHz to 25 MHz (IEC 1161:1992)








