English translation for "相对衰减系数"
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- relative damping coefficient
Related Translations:
反馈衰减器: feedback destroyer 相对种: corresponding species 相对利益: relative advantagerelative gain 相对生长率: relative growth ratergr 相对调节: relative accommodationrelative regulation
- Example Sentences:
| 1. | 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。 | | 2. | 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。 | | 3. | 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。 | | 4. | 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。 |
- Similar Words:
- "相对数据组织" English translation, "相对数量指数" English translation, "相对数字" English translation, "相对衰减" English translation, "相对衰减, 相对阻尼" English translation, "相对水含量" English translation, "相对水流因子" English translation, "相对水平" English translation, "相对水平环" English translation, "相对水深" English translation
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