aar

How to Organize and Complete AAR Quality Authentication

如何组织完成美国铁路协会（AAR）质量认证工作

Reversing Structure Design Based on Fatigue Design Standard - AAR

基于美国ARR疲劳设计准则的结构设计反求研究

Study on the Long - term AAR of Alkaline Cement System

碱性水泥系统的长期碱集料反应研究

Investigation and treatment on Hazard of AAR on Water transport construCtion

碱集料反应对输水建筑物的危害调查与对策分析

Study on first case of deteriorated concrete structure due to AAR in China

我国首例混凝土结构碱骨料反应破坏的研究

Research on the Effect of AAR on Concrete

碱骨料反应对混凝土破坏的研究

Research of New System and Mechanism of Concrete Durability and Preventing AAR in Shanxi Province

陕西省混凝土耐久性创新体制与机制及碱&骨料反应抑制研究

Programming of Fatigue Life Prediction Software System for Wagon Body Based on American AAR Standard

基于美国AAR标准的货车车体疲劳寿命预测软件系统的程序设计

The approach of applying fuzzy neural network in research on the problem of AAR in concrete

运用模糊神经网络研究混凝土AAR问题

The Experimental Research of the Effect of Alkaline Admixtures on AAR of Concrete

含碱外加剂对混凝土碱&骨料反应（AAR）的影响试验研究

Retrieval methods of AAR CD-ROM and statistical analysis of polar literatures

国际南北极地区文献数据库的检索方法与极地文献统计分析

The comprehensive technical measure on defense AAR of the concrete of the main Three Gorges project

三峡主体工程混凝土预防碱集料反应的综合技术措施

Results The best results for FAR was 93.52 % while for AAR was only 87.96 % .

结果利用FAR模型得到的最佳分类结果为93.52%，利用AAR模型得到的最佳分类结果仅为87.96%。

Decomposition Reaction of Alkaline Minerals in Concrete Aggregate and the Effect on AAR

集料中含碱矿物的分解及对碱-集料反应的影响

Study on AAR of Valley Glaciers in the Steady State

山谷冰川稳定态时积累区面积比率研究

AAR means changes in morphology and structure at tissue , cellular and subcellular level .

AAR是指心房组织、细胞乃至亚细胞水平的形态和结构发生了改变。

The relevant AAR and UIC standards are introduced in general .

介绍了AAR和UIC中的相应标准的概况；

The Harm and the Preventive Measures of AAR of Concrete Bridges of Railway

铁路混凝土梁桥AAR的危害与预防措施

Wavelets and AAR Model Based Predicting Algorithm for WMN

基于小波变换和AAR模型的WMN流量预测方法

Preventive Effect of Low Alkali Portland Cement on AAR

低碱水泥对碱-集料反应的抑制作用

Alkali is one of the important factors that can cause alkali-aggregate reaction ( AAR ) .

碱是混凝土发生碱-集料（AAR）反应的重要因素之一。

Conclusion The results obtained here indicated that FAR can extract and get better classification performance as compared to AAR .

结论同AAR模型相比，FAR模型可以更好地提取不同思维脑电特征，并在采用合适识别分类算法基础上获得更佳分类效果。

The Influence of Ca / Si Ratio in C-S-H Gel to AAR

C-S-H凝胶产物的Ca/Si比对碱-骨料反应的影响

Application of CSSD and AAR in EEG Signal Processing

CSSD+AAR模型在脑电信号处理中的应用

Influence of electrochemical desalination on AAR of concrete

电化学脱盐对混凝土碱集料反应的影响

? The durability of concrete is influenced by alkali aggregate reaction ( AAR ) .

碱-集料反应综述碱集料反应是影响混凝土耐久性的重要方面。

Alkali aggregate reaction ( AAR ) is one of the important factors that affect the durability of concrete structures .

混凝土碱-骨料反应（AAR）是引起混凝土耐久性下降的主要原因之一。

Effectiveness of steel slag powder on suppressing alkali-aggregate reaction ( AAR ) expansion and its evaluation

钢渣掺合料对碱集料反应抑制及有效性评估

Development and application of designing software for an aqua-ammonia absorption refrigeration ( aar ) system with low grade heat source

利用低位能的氨水吸收式制冷（AAR）系统设计软件的开发及应用

Technology of plate type steel castings produced by air impact molding line has been introduced with products meeting standard of AAR .

本文介绍了在气冲造型线上生产平板类铸钢件的铸造工艺。用该工艺生产的平板类铸钢件，尺寸精度、外观质量和内在质量均符合产品技术要求，达到了美国铁路协会AAR。