根据该领域近期进展,介绍分形理论在腐蚀行为描述及腐蚀模型研究等领域的应用。
Applications of fractal theory in describing corrosion behaviors and creating corrosion model were introduced based on the recent progresses in the field.
综述了油气田co2腐蚀机理及其影响因素,介绍了常见的CO2腐蚀模型和防护技术。
Reviewed are CO2 corrosion mechanism and its effect factors in oil and gas field development projects and introduced are familiar CO2 corrosion prediction models and corrosion control measures.
大气腐蚀是造成钢结构损伤的一个主要因素,并且是随时间渐变的,其可靠性分析属于时变可靠性的范畴,而腐蚀模型在其中起重要的作用。
It varies with time and the reliability analysis considering corrosion is time variant reliability, while the model of the corrosion affects the reliability analysis significantly.
本文从微观统计的损伤理论出发,建立了腐蚀混凝土单轴受压本构模型,与试验结果较符合。
Beginning with the damage theory of micro-statistics, the constitutive model of corroded concrete under uniaxial compression is established which is proved by the experimental outcomes.
本文建立了两段式的腐蚀混凝土单轴受压本构模型,与试验数据比较符合。
The constitutive model of corroded concrete under uniaxial compression is established which has two expression and is proved by the experiment outcomes.
分析了腐蚀环境对结构抗力的影响、抗力衰减模型、地震危险性、地震对结构的作用。
Influence of corrosive environment on structural resistance, resistance decrease model, seismic risk and seismic effect on structures are analyzed.
利用这一模型,研究了腐蚀速率、缺陷深度、管道壁厚和工作压力等因素对管线可靠性的影响。
The effects of corrosion rate, defect depth, thickness of pipe and operation pressure on pipeline reliability were investigated with this model.
对局部腐蚀失效事件做出失效模型和原因分析。
Failure model and cause analysis can be performed according to the part corrosion failure incidents.
实际应用表明:该模型大大提高了网络的学习效率和预测评判的精度,可以作为油气集输管道腐蚀速率预测的良好工具。
The results show that the model has a great efficiency of network learning and a high accuracy of prediction and judgement.
其次,建立了受腐蚀钢筋混凝土极限粘结力的神经网络预测模型。
Secondly, Neural Network model was built up to predict ultimate bond strength between the rebar and corroded concrete.
另外根据结构可靠性原理,针对带腐蚀缺陷管道的建立了可靠性概率模型。
In addition according to structure reliability principles, the reliability probability model aimed to the pipes with corrosion defects is also built.
方法:采用冰醋酸腐蚀法造大鼠胃溃疡模型。
Method: The rat gastric ulcer model was made by glacial acetic acid corrosion.
利用“数列灰预测”建立了管道腐蚀预测的新模型,介绍了三种常用的数据处理方式。
We used Array Grey Prediction method found a new model to predict pipeline's corrosion trend and introduce three typical data processing mode.
文中指出,采用新的波浪设计载荷和腐蚀增量模型,热点应力法可以有效评估边舱折角点的疲劳强度,保证结构在寿命期内的安全。
This paper indicates that the hot stress method could be effective and safe for ship to adopt new wave load model and erosion model.
通过对渤海BZ 28 - 1油田储油平台的优化计算,验证了该模型的有效性及考虑腐蚀影响的必要性。
The validity of the fussy optimum design model and the necessity of taking corrosion effect into account are verified by the optimum calculation on Bohai BZ28-1 oil storage platform.
本文根据AZ 91d镁合金在酸、碱和盐溶液中腐蚀行为的特点,建立了腐蚀的双电层模型和在溶液介质中腐蚀行为的特性模型。
A model of double electric layer and a model of corrosion behaviour were established according to the corrosion characteristics of AZ91D magnesium alloy in the used solutions.
依据熔盐电化学模型讨论了熔灰腐蚀机理。
The corrosion mechanisms of melted ash are discussed on the basis of electro-chemical model of melted salts.
本文主要通过建立模糊物元评价模型,对油罐底部沉积液进行了腐蚀评价。
This text through is it set up fuzzy matter element of model of appraising to build, deposit to oil tank bottom liquid is it is it appraise to corrode to go on mainly.
根据预腐蚀件的拉伸实验结果,对模型的正确性进行验证。
The model was developed in the framework of micro-mechanics, in combination with the existing corroded coupon tensile test results.
建立了压力管道受到腐蚀时的腐蚀量与时间的关系,建立GM(1,1)模型,然后对模型进行精度检验,最后对压力管道的可靠度进行研究。
Setting up relation of corrosive quantity and time of corrosived pressure pipelines, setting up model of GM (1, 1), and then carry through precise check up, finally study pressure piping reliability.
在腐蚀速率电化学模型和剩余强度评价的基础上,采用一定的预测步骤确定了不同腐蚀类型缺陷的剩余寿命。
The residual lives of corrosion defects of different types were got basing on the electrochemical models of the corrosion rates and residual strength evaluation.
通过观察和分析多晶多孔硅化学腐蚀机理提出了一个新模型:多孔硅形成机理的逆结晶学模型。
By observing and analyzing the formation of PPS with chemical etching, a new model of PPS formation was proposed: inverse crystallography model of PPS formation process.
目的:探索腐蚀性化学烧伤模型制作中面积扩展的规律。
Objective: The expansion of wound area existed in model of corrosive chemical burns.
为了更多地获得电偶腐蚀的信息并揭示其本质规律,提出了电偶腐蚀试验实时监测模型。
A timely monitor model for galvanic corrosion test was set up to gain more information of the galvanic corrosion and to disclose its essential law.
推导了恶劣环境油井管电化学腐蚀的热力学模型,编写了具有自主知识产权的油井管腐蚀预测软件。
The thermodynamic model of galvanic corrosion of well tubulars under bad setting is deduced. Well tubular corrosion prediction software which has autonomous intellectual property is been programmed.
根据热腐蚀的特点,吸收盐熔模型的合理成分,并考虑到热腐蚀与高温气体腐蚀的共性,提出热腐蚀的电化学模型。
The rational aspects of the fluxing model as well as the general characteristics existing in high temperature gaseous corrosion and hot corrosion are considered in the electrochemical model.
建立了相关的模型,并解释了煤基聚苯胺具有这些作用的相关防腐蚀机理。
A model was accordingly established to explain the anticorrosion mechanism of the CPANi coating doped with epoxy resin.
结论CAP具有急性化学腐蚀作用,严重者可以造成栓塞后动脉瘤模型的破裂。
Conclusions We think that acute chemical erosive effect of CAP was evident. A strong effect could lead to rupture of some of the CAP thrombosed aneurysmal models.
结论CAP具有急性化学腐蚀作用,严重者可以造成栓塞后动脉瘤模型的破裂。
Conclusions We think that acute chemical erosive effect of CAP was evident. A strong effect could lead to rupture of some of the CAP thrombosed aneurysmal models.
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