1) growth rate
扩展率
1.
Experimental study is performed on the probabilistic models for the long fatigue crack growth rates (da/dN) of LZ50 axle steel.
试验研究了随机疲劳长裂纹扩展率概率模型。
2) crack growth rate
扩展速率
1.
The crack growth rate da/dt of 840D wheel web is of great dispersion,which mainly roots in dispersion of wheel load.
840D车轮辐板孔裂纹扩展速率da/dt具有很大分散性,其分散性主要来源于车轮载荷分散性,可用da/dt=Q。
2.
However, short crack growth rate under spectrum loading is slightly lower than.
但谱载荷下的短裂纹扩展速率略低于常幅下的短裂纹扩展速率，谱载荷下长裂纹的扩展速率远低于常幅下长裂纹的扩展速率。
3.
The crack growth rate da/dt of 840D wheel web is of great dispersion,which mainly roots in dispersion of wheel load.
840D 车轮辐板孔裂纹扩展速率 da/dt 具有很大分散性,其分散性主要来源于车轮载荷分散性,可用 da/dt=Q。
3) growth rate
扩展速率
1.
The fracture toughness and fatigue crack growth rate of Q345 steel were studied.
分别对Q345钢J积分值和裂纹扩展速率进行了测定。
2.
The fracture toughness and fatigue crack growth rate of ZG20MnSi steel and its heat affected zone were systematically studied.
研究了ZG20MnSi钢及其焊接热影响区的断裂韧度和疲劳裂纹扩展速率。
3.
In this paper,fatigue crack growth rates(FCGR)for the ZCE_(36)Z_(35)steel in 3.
5%Nacl 和10%NH_4NO_3水溶液中的疲劳裂纹扩展速率(FCGR)及外加极化电位的影响进行了实验研究,结合应力腐蚀(SCC)实验,作者认为,除非在阴极极化条件下出现强烈充氢情况,该钢在中性水溶液中的麦劳裂纹扩展主要受氧去极化作用(ODR)控制而不是氢脆(HE)机制。
4) Propagation rate
扩展速率
1.
The effect of microstructure on propagation rate of fatigue crack was investigated by SEM and three point bending specimens with notch.
用金相显微镜、扫描电镜(SEM)及带有切口的三点弯曲试样研究了显微组织对珠光体钢疲劳裂纹扩展速率的影响。
2.
The curve of fatigue crack propagation rate was measured on compacttensile specimens.
利用疲劳实验研究了B M复相高强度钢的疲劳极限,并采用C T试样测定了疲劳裂纹扩展速率曲线。
3.
The crack propagation rate in ZG0Cr13Ni5Mo is same as in the weld metal welded with HS135L MIG wire.
结果表明， ZG0Cr13Ni5Mo钢与 HS135L焊缝金属的断裂扩展速率基本相同， HS367L焊缝金属具有较低的疲劳扩展速率，由此可见， HS367L焊缝金属具有更好的抗水下疲劳断裂性能；载荷频率对水下疲劳裂纹扩展速率没有明显的影响。
5) extension rate
扩展速率
1.
In the light of the low-temperature fatigue of offshore Platforms under the action of alternating load, the extension rate (da/dN)of the low-temperature fatigue crack on welded joints is investigated.
针对海洋平台在交变载荷作用下的低温疲劳问题，对焊接接头处的低温疲劳裂纹扩展速率（da／dN）进行了研究。
6) frequency extension
频率扩展
1.
According to the characteristic of eigenvalue distribution of array covariance matrix,theoretically analyzes the effect of frequency extension on self-adaptation algorithms of software antenna,then takes MMSE algorithm as an example to make an imitation test.
针对阵列协方差矩阵特征值分布的特点,从理论上分析了频率扩展对软件天线自适应算法性能的影响,并以MMSE算法为例进行仿真验证。
补充资料：电导率(见电阻率)
电导率(见电阻率)
conductivity
d!日nd日O}已电导率(eonduetivity)见电阻率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条