相对衰减系数的英文

• relative damping coefficient

• "相对"英文翻译    opposite; face to face
• "衰减系数"英文翻译    attenuation coefficient
• "光子直线相对衰减系数" 英文翻译 :    relative photon attenuation coefficient
• "正负电子对衰减系数" 英文翻译 :    pair attenuation coefficient
• "相对衰减" 英文翻译 :    relative attenuation; relative damping
• "复合相对衰减" 英文翻译 :    complex relative attenuation
• "复数相对衰减" 英文翻译 :    complex relative attenuation
• "肝衰减系数" 英文翻译 :    liver attenuation coefficient
• "勒；衰减系数" 英文翻译 :    lethargy
• "声衰减系数" 英文翻译 :    acoustic attenuation coefficient; sound attenuation factor
• "衰减系数" 英文翻译 :    af; attenuation coeffcient; attenuation coefficient; attenuation factor; attenuation quotient; attenuationcoefficient; coefficient of attenuation; coefficient of decay; damping coefficient; damping factor; damping ratio; decay coefficient; decay factor; extinguishing coefficient; modulus decay; modulus of decay; reduction coefficient; reduction factor
• "体衰减系数" 英文翻译 :    volume attenuation coefficient
• "线衰减系数" 英文翻译 :    line attenuation coefficient; linear attenuation coefficient; linearattenuationcoefficient
• "总衰减系数" 英文翻译 :    total attenuation coefficient
• "衰减值,衰减系数" 英文翻译 :    attenuation value
• "相对衰减, 相对阻尼" 英文翻译 :    relative damping
• "负值衰减系数" 英文翻译 :    negative amplitude attenuation
• "共轭衰减系数" 英文翻译 :    conjugate attenunation coefficient
• "光电衰减系数" 英文翻译 :    photoelectric attenuation coefficient
• "累接衰减系数" 英文翻译 :    iterative attenuation coefficient
• "散射衰减系数" 英文翻译 :    scattering attenuation coefficient
• "衰减系数,阻尼比" 英文翻译 :    damping ratio
• "衰减系数降低" 英文翻译 :    dac decreased attenuation coefficient
• "图像衰减系数" 英文翻译 :    iac image attenuation coefficient; image attenuation coefficient
• "线性衰减系数" 英文翻译 :    linear attenuation coefficient; linear extinction coefficient

• The study shows that using a obtained from cylindrical surface of column can characterize the alloy steel samples , which have complicated phase structure
  研究表明，通过比较圆柱面法测得的相对衰减系数，能够对具有多种相结构的较大尺寸合金钢试样进行超声表征。
• The three methods are independent , supplement mutually and proved each other because the sensibility of every method is different when used to distinguish different microstructures
  超声波速度、相对衰减系数及功率谱分析三种方法，各自独立；同时，三种方法区分不同组织的灵敏度不同，实验结果能够互为补充。
• The difference among the elasticity modulus of various microstructures is probably the main reason , which caused the experiment results above . under the same experiment conditions , such as sample shape , size , surface roughness , establishment of testing system , pressure on the probe , and thickness of coupling medium , the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column . the result is as following : for 40cr and 38crmoal , a mt < az mq < a s < a p + f ; for gcrlssimn , a mt < a annea < s < a p + f ; and a increased with the increasing of frequency
  在保证试样形状、尺寸、表面光洁度、系统参数设置、施加在探头上的压力以及耦合层厚度等测试条件一致的情况下，利用棒材圆柱面测衰减系数法，分别测定并比较上述不同热处理试样相对衰减系数的变化情况，得到的实验结果是：对于40cr及38crmoal钢， _ (低温回火) (淬火) _ (高温回火) _ (正火) ；对于gcr15simn钢， _ (低温回火) _ (退火) _ (高温回火) _ (正火) ；且随着频率的提高，衰减系数均呈现增加的趋势。
• According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation , microstructures characterization with different heat treatment processes ( normalizing , quenching / annealing , quenching plus low tempering , quenching plus high tempering ) for three steels ( 40cr , 38crmoal , gcrlssimn ) was studied experimentally by using ultrasonic methods . ultrasonic velocity , relative attenuation coefficient , and power spectral analyses were researched on the same samples respectively , on the basis of theory and experiment , the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared
  根据具有多种相结构合金钢不同热处理转变产物的组织特点，以及超声波在其中的传播规律，利用超声波速度、相对衰减系数以及功率谱分析三种方法，对三种钢( 40cr 、 38crmoal及gcr15simn )不同热处理(正火、淬火退火、淬火+低温回火及淬火+高温回火)转变产物的显微组织进行了超声表征研究。