系统 地阐述 了在役管道的安全评定方法。
This paper presents systematically the safety assessment method for in service pipelines.
J积分的精确计算是含缺陷结构安全评定的基础。
The precise calculation of J integration is fundamental to safety assessment of structure containing defects.
介绍了断裂力学在火箭推进剂贮箱安全评定中的应用。
An application of fracture mechanics to the safety evaluation of rocket propellent tank was presented.
研究结果为承受动载的焊接结构安全评定奠定了基础。
The results establish the foundation of safety evaluation of dynamic load welded constructions.
看起来这些也是不错的选择，但是它们的安全评定指数很糟糕。
That would seem to make them good choices, but they have terrible reliability ratings.
同时，还讨论了在焊接构件安全评定中COD准则的局限性。
Meanwhile, the limitation of the COD criterion in estimating the safety of welded structures is discussed also.
所提出的方法适用于油气管道的安全评定，具有工程实用价值。
The method presented above can be used in safety assessment of oil and gas pipelines and has a certain reference value in engineering practice.
实践证明，分析结论正确，可为类似工程的安全评定分析提供借鉴。
The analysis proved to be correct, and can be the model for the safety evaluation of the same projects.
采用有限元方法对一条含未焊透缺陷的压力管道进行了强度分析与安全评定。
By using finite element method, a pressure piping with incomplete welding flaw was analyzed in strength and assessed in safety.
实际算例表明，该方法用于含缺陷焊接管道可靠性安全评定简单、有效、准确。
The examples show that this method is simple, efficient and accurate for reliability safety assessment of the welded pipes with cracks.
这里工作对于压力管道的可靠性分析及动态断裂安全评定具有重要的参考价值。
The study can be referenced to the reliability analysis and safety evaluation of dynamic fracture behavior.
研究含缺陷弯头的塑性承载能力在整个压力管道系统安全评定中占有重要地位。
So it is very important to know the effect of cracks on the collapse loads of elbows for integrity assessment of the piping system.
这是国内首次在城市高压燃气管道上完成的最全面的管道外腐蚀检测与安全评定及风险评估工作。
This application case is the first complete inspection of external corrosion protection, safety assessment and risk assessment for the city gas underground pressure pipeline case in China.
为了对压力容器的缺陷进行模糊评定，需要为通用失效评定曲线组成的安全评定区域进行梯度分区。
To fuzzy assess to defect (s) of pressure vessel, it is necessary that security area, that is structure by the currency failure assessment curve, is divided on gradient.
某石化公司常减压蒸馏装置常压炉炉管已经超过设计寿命，有必要对其进行全面的检测和安全评定。
The atmospheric furnace tubes of the atmospheric-vacuum distillation unit in a petrochemical company had been operating beyond their service life.
本文的研究结论对预防和降低输气站设备事故及提高含缺陷设备安全评定的效率具有一定的参考意义。
The conclusion of this paper has a certain significance to prevent and reduce accidents, and improve the efficiency of safety assessment of defective devices in gas transmission station.
针对管道的断裂失效模式以及安全评定过程中存在的不确定性，提出了压力管道可靠性安全评定方法。
Aiming at the fracture failure mode of piping and uncertainty int he assessment process, pressure piping reliability method was put forward.
在推导出反应器材料使用5年后断裂韧度值K＿（IC）的基础上，对两台反应器的缺陷进行了安全评定。
It is analyzed and deduced that the fracture toughness KIC of the reactor material after being used 5 years. The two reactors is safety …
以A NSYS为分析工具，对铁路架桥机导梁焊接缺陷进行有限元分析，为导梁进行结构安全评定提供依据。
The finite element analysis of the bridge-erecting machine 'beam under welding defect conditions is conducted with ANSYS program, which provides a basis for the structural safety assessment of beam.
1997年，对已知裂纹进行了处理，并根据CVDA—1984“压力容器缺陷评定规范”进行了安全评定。
In 1997, the handling of known crack is carried on. On the basis of CVDA 1984 "pressure vessel defects evaluation code" safety evaluation is executed.
另外，使用的多芯导线应力计算程序，操作简单，为相关工作人员提供了一个快速而可靠的导线安全评定方法。
Besides, the Program of Wire Stress Calculation that is operated easily can facilitate the users to make safe assessment more accurately and effectively.
在数值模拟计算含缺陷球罐应力场的基础上，对含缺陷球罐在工作压力和超压两种工况下进行了断裂安全评定和强度校核。
Based the numerical simulation for sphere tank with defects, fracture safety assessment and stress strength verification are done under the cases of working pressure and over pressure.
本文以锦州JZ20 - 2平台为例研究了固定式海洋平台结构构件及结构体系的可靠度分析与安全评定(风险评估)。
In this dissertation, as an example of Jinzhou JZ20-2 offshore platform, the system reliability analysis and safety evaluation (risk assessment) are monographic studied.
文对卧式液化储气罐的焊接缺陷用断裂力学的分析方法，评定了其剩余使用寿命，对大修中储气罐焊接缺陷的安全评定提供了依据。
This paper evaluates the surplus service life of the liquefied natural gas tank by analysis of fracture mechanics, and offers the basis for the safety assessment of welding defects of the gas tank.
每一年，公司海关遵章管理部将审核和评定公司安全标准的遵章等级。
Each year, the corporate Customs compliance Group will review and assess the compliance level of the corporate security standard.
力争对30家冶金等工贸企业开展安全生产标准化复评，完成10家小微企业标准化达标评定工作。
To carry out safety production standardization review of 30 metallurgical industry and trade enterprises, the completion of 10 Small and micro businesses standard evaluation work.
钢丝绳使用寿命评定对确保钻井安全与降低钻井成本具有十分重要的意义。
Evaluation of the service life of a rotary drilling line is of great importance to ensuring safe drilling and reducing drilling cost.
从试验与理论两个方面综合分析评定了受载流槽的安全性能。
Aanalyze and evaluate comprehensively safety of sluice loaded from experiment and theory.
评定航道整治建筑物安全稳定性实质上是灰色系统问题。
So the evaluation on safety and stability of regulating structures in a channel is a grey system theory problem.
评定航道整治建筑物安全稳定性实质上是灰色系统问题。
So the evaluation on safety and stability of regulating structures in a channel is a grey system theory problem.
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