涂层发生失效的原因多种多样，如应力、氧化物、材料性能劣化等。
The failure of coating occurred for a variety of reasons, such as stress, oxide, material properties, etc.
另外，该电解液防止了由金属材料腐蚀引起的电化学装置的性能劣化。
Further, the electrolyte prevents degradation in the quality of an electrochemical device, caused by corrosion of metallic materials.
当荷载是循环往复应力时，引起的材料力学性能劣化过程称为疲劳损伤。
When the load is the stress cycle, the mechanical properties of materials caused by the deterioration process is known as fatigue damage.
结果使CR的故障率下降，并对关键部件的性能劣化程度达到监测的目的。
Results Themalfunction rate of cr was decreased and the goal of monitoring the performance degradation degree of the key parts was achieved.
小净距隧道的爆破施工不可避免地造成围岩累计损伤，岩体力学性能劣化。
The blasting construction of small clear distance tunnel inevitably causes accumulative damage of surrounding rocks and its mechanical behaviors will be degenerated.
本文论述了结构性能劣化的原因，提出考虑抗力变化的结构可靠度的分析方法。
In this paper, the causes of structural performance deterioration are discussed and an analysis method for deteriorating structures is presented.
特别是在高渗透孔隙水压力作用下，混凝土材料性能劣化现象明显，严重影响了工程的安全性能。
Especially in high dam project with high seepage and pore water pressure, the degradation of material properties of concrete affects more evidently.
工程结构中的水泥砂浆在使用过程中经常会受到侵蚀性离子的作用，致使水泥砂浆性能劣化强度降低。
Cement mortar in engineering structures is often subjected to the effect of erosive ions and thus performance of cement mortar will deteriorate.
根据观测到的历史数据对卫星电池阵输出功率的未来值进行预测，可实现对电池阵性能劣化的早期预报。
The early forecast of satellite battery array's performance attenuation can been realized according to the prediction of historical datum of satellite battery array's output power.
在建立材料性能劣化模型的情况下，该种方法可以作为桥梁生命周期成本管理系统的基础，为桥梁养护、管理优化提供依据。
On the condition of establishing material's deterioration model, this method can be used as the basis of bridge life-long management system and provides foundation for bridge's maintenance.
分别以水中冻融和盐溶液中冻融循环作为试验条件，研究具有不同耐久性的混凝土在冻融过程中多种宏观性能劣化的敏感程度。
The sensitivity of degradation of several macro properties was studied through the freezing thawing tests of concretes with different durability in water and salt solution.
利用标量波动衍射理论进行了数值模拟，结果表明，该设计能明显降低系统像差，改变了传统设计方法在大通道数情况下像差过大、边缘通道性能劣化等问题。
Numerical simulation is carried out by means of scalar fluctuation and diffraction theory. The simulation results show that the design obviously lowers system aberration, solves the prob…
使用开关会不可避免地劣化测量系统的性能，因此考虑影响系统性能比较明显的几项关键参数就非常重要。
The use of a switch will inevitably degrade the performance of the measurement system, so it is important to consider several critical parameters that may affect system performance significantly.
由于不对准会劣化电气性能，所以应该避免匹配不同类型的连接器。
Since misalignment degrades electrical performance, mating different types of connectors should be avoided.
被动信号检测的最佳检测器是能量检测器，但是能量检测器往往因为背景干扰的起伏和信噪比的劣化导致检测性能的下降。
The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
结果表明，紫外线对CFRP与混凝土的拉伸剪切强度影响较大，防护能有效缓减CFRP与混凝土的正拉粘结性能在紫外线作用下的劣化。
The results showed that the influence of UV light on adhesive property was great, and protection can slow the deterioration of adhesive strength of CFRP and concrete.
耐热耐负荷性能良好。防止油品劣化，其长寿命性能，减少维护保养费用。
Heat resistance, good load performance. Prevent oil deterioration, the long life performance, reduce maintenance cost.
尽管如此，阻燃剂与聚合物间较差的相容性使阻燃聚合物力学性能有所劣化。
However, poor compatibility between IFR and polymer matrix leads to some deterioration of mechanical property of materials.
讨论了系统性能对消光比劣化的敏感程度问题，并给出了评价方法，并据此对跳频系统和直接序列系统进行了比较。
Sensitivity of system performance to extinction ratio degradation and its evaluation were studied. Based on these analyses, the sensitivity of FFH-OCDMA system was compared to that of DS-OCDMA system.
研究结果表明，与标准养护相比，蒸养可导致混凝土抗硫酸盐侵蚀性能明显劣化；
The results indicate that the sulfate resistance performance of steam-cured high strength concrete is worse compared with that cured in standard conditions;
结果表明，热冲击是高温合金电子束焊接热影响区的微裂纹损伤的主要原因，热冲击损伤效应导致接头力学性能的劣化。
The results show that the HAZ microfissuring damage of superalloy EBW joints induces mechanical properties deterioration which is attributed to the EBW thermal shock.
岩体中微裂纹的形成、扩展和汇合对岩体的力学性能产生显著影响，可以导致材料的逐渐劣化直至破坏。
The microcracks in rock mass are formed, expanded and converged which have remarkable influences on the mechanical properties of rock. It may bring about material inferiority and failure.
力学性能无劣化，完全能满足增强型热缩材料的使用要求。
The radiation modification filament was successfully used in reinforce heatshrinkables and can meet completely the requirements of the reinforced heat shrinkable materials.
混凝土结构的性能在高温下要比在常温下复杂得多，材料性能严重劣化，且理论分析的难度很大。
At elevated temperature, the properties of concrete structures are more complex than them at normal temperature, and the mechanical properties of materials become weak seriously.
通过这种配置，限制了输出自从其回收废热的热力发动机的功率的降低，并且最小化了加速性能的劣化。
With this configuration, reduction in the power output from the heat engine, from which exhaust heat is recovered, is restricted, and the degradation of the acceleration performance is minimized.
船舶动力装置与设备油液监控系统的主要功能是：通过分析油液的性能指标变化监控其劣化状况；
The main function of the oil monitoring system to ship power system & device is: Analyzing the change of the parameters of oil quality, monitoring the inferior change of the oil quality.
系统运行中的斜升效应，劣化效应和其它因素与效应的影响，使这类系统的运行性能在寿命期内呈现复杂的状况。
But the ramp up effect, the degeneracy effect and other elements make the operation of the system rather complex.
结果表明，机械应力下疲劳强度的劣化是低温电树枝化的重要因素。超高分子量聚乙烯具有低温性能好。
The test results with the needle-plane electrode system under ac voltage at 77 K indicate that the fatigue break in UHMW-PE under mechanical forces during the electrical treeing is a critical factor.
结果表明，机械应力下疲劳强度的劣化是低温电树枝化的重要因素。超高分子量聚乙烯具有低温性能好。
The test results with the needle-plane electrode system under ac voltage at 77 K indicate that the fatigue break in UHMW-PE under mechanical forces during the electrical treeing is a critical factor.
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