粉煤灰

粉煤灰砖砌体性能与工程应用

The properties of pfa brick masonry and in application to civil engineering

粉煤灰陶粒砌块多层住宅围护结构节能技术

Energy Saving Technology in PFA Ceramsite Block Enclosure Structure of Multistoried House

紫山灰场粉煤灰作为一种冲填土，粒度细，似粉砂。

Pulverized coal ash is hydraulically filled on ground of Zishan .

用BP网络预测粉煤灰混凝土的渗透性

To Forcast Permeability of Fly Ash Concrete With Neural Network

煤矸石和粉煤灰pH与电导率动态变化规律及其相关性研究

Dynamic change of pH and electricity conductivity in coal slags and fly ash and their correlation

粉煤灰去除地下水中Cr（Ⅵ）的试验研究

Experimental study on treatment of groundwater contaminated by Cr (ⅵ) using fly ash

用粉煤灰处理实际废水既能降低色度又能除去大量COD。

As to the disposal of actual wastewater , fly ash could decrease both chrominance and COD .

采用核磁共振（NMR）技术和SEM方法，对机械研磨的粉煤灰中铝氧多面体结构的变化进行了研究。

The aluminium-oxide stereo polyhedron structures changes were studied by NMR and SEM in fly ash treated by mechanical grinding .

按照粉煤灰不同的作用机理，阐述了粉煤灰对金属、COD及色度等的吸附性能的研究情况和利用粉煤灰制取新型高效混凝剂的应用研究进展。

Based on different mechanism , the absorption performance of coal-powder to metal , COD and color is reviewed .

贝叶斯（Bayes）判别分析在粉煤灰分类中的应用关于Bayes风险相容性

The Application of Bayes Discriminant Analysis in the Classification of Fly Ash ON THE CONSISTENCY OF BAYES RISKS

利用XRD、SEM等测试手段，研究了不同保温时间对各种掺量的粉煤灰烧结砖的显微结构及性能的影响。

The effect of sintering time on the microstructure and properties of various flyash content fired brick was studied by XRD , SEM and so on .

在N2气氛中以粉煤灰为原料，采用碳热还原氮化工艺制备了β-Sialon粉体，研究了碳含量、合成反应温度、保温时间和氮气流量等因素对生成物物相的影响。

β - Sialon powder was prepared from fly ash and carbon black via carbothermal reduction nitridation in this study .

利用XRD，SEM，力学性能测试等手段，研究了物理活化和化学活化粉煤灰对硅酸盐水泥强度及其浆体结构的影响；

The influence of physical activated and chemical activated fly-ash on the strength and paste structure of portland cement was studied by XRD , SEM and measuring strength etc.

化学分析表明，硫酸盐是粉煤灰-Ca（OH）2-H2O反应的加速剂。

It is confirmed by chemical analyses that sulfate is an accelerate agent of fly ash-Ca ( OH ) _2-H_2O reaction .

由此提出两种确定粉煤灰最大掺量的方法：1.由粉煤灰颗粒与Ca（OH）2的反应程度确定粉煤灰的最大掺量；

Two methods were put forward as a consequence : 1 . The highest fly ash content is determined by reaction extent between fly ash grain and Ca ( OH ) 2 ;

通过酸溶、X射线衍射、红外光谱和扫描电镜等手段分析了粉煤灰石灰蒸压系统中水化产物的变化。

Analyzed the change of hydrate in autoclaved fly ash lime system with acid dissolve , X-ray Diffraction ( XRD ), Infrared Spectroscopy ( IR ) and Scanning Electron Microscope ( SEM ) .

结果表明，造纸废水经酸化后的粉煤灰处理及高铁酸钾处理后，其COD值、浊度、色度均降至排放标准以下。初探了净化机理。

The results show that COD , cloudiness and colority of the papermaking wastewater are all decreased under the discharging standard and the mechanism of cleaning is discussed .

用SEM和EDS研究了粉煤灰掺入水泥后与水泥浆体间所形成界面的形貌特征。

Using SEM and EDS , the characteristics of morphology within the interfacial zone between fly ash and cement paste added with fly ash was studied .

采用PLC的干除灰系统抗干扰能力强，操作方便，且大幅度提高了粉煤灰的综合利用率，产生了良好的社会效益和环境效益。

The system based on PLC can provide more powerful anti - jamming capability , operate conveniently , enhance synthetic utilization of lime greatly and bring good social benefits and environmental benefits in return .

本文研究了养护温度对粉煤灰水泥及纯水泥的强度，CH含量及C3S水化程度的作用。

The effect of the curing temperature on the strength , the CH content and the degree of C_3S hydration of the fly ash cement and pure cement was studied .

研究表明，在粉煤灰中增大CaO含量，其水化后可破坏粉煤灰颗粒表面的玻璃体，激发粉煤灰的活性，促使粉煤灰的主要成份SiO2和Al2O3水化硬化。

It is indicated that increasing the content of CaO may destroy vitreous body , spur the active of fly ash and make the SiO2 and Al2O3 hydrate and rigidity .

粉煤灰效应引起的Ca（OH）2含量下降和孔结构的封闭堵塞是氯离子扩散性下降的主要原因。

The falling of the diffusivity of chloride ions is mainly caused by the effect of fly ash that makes Ca ( OH ) _2 content reduce and pore structure block in fly ash blended concrete .

利用光学显微镜、X射线衍射及扫描电镜等手段，从岩石学角度对粉煤灰的组分特征进行了详细观察研究。

From the viewpoint of petrology , maceral characteristics of fly ash ( FA ) and bottom ash ( BA ) have been investigated in detail using microscope , X-ray diffraction and scanning electron microscope ( SEM ) .

首先采用粉煤灰吸附过滤工艺，对污水进行过滤，然后采用CAF涡凹气浮深层内循环SBR法对污水做进一步处理。

The wastewater is filtrated by using absorption process of flyash . More treatment is conducted with the method of CAF air floating and deep internal circulation SBR .

以北京某热电厂的粉煤灰为主要原料，经过对原料的焙烧处理、水热合成实验，合成了13X沸石分子筛。

X zeolites were synthesized by baking and hydrothermal synthesizing procedures using the flyash from a thermo-electric plant in Beijing .

本文针对碾压混凝土中粉煤灰的最大掺量问题，通过试验和计算，得到长龄期时粉煤灰掺量与Ca（OH）2含量的关系。

To solve the problem of the highest fly ash content in roller compacted concrete , this paper established the relation between fly ash content and Ca ( OH ) 2 content at long age through experimentation and calculation .

与单掺粉煤灰的胶砂相比，多种矿物掺合料复掺可以提高胶砂的1d强度，但会降低胶砂的流动性。

Compared with the cement mortar containing fly ash , multi-mixture of mineral admixture can improve the early strength of cement mortar , but the fluidity will deteriorated .

福建省泉州沿海大通道秀白段的软土地基处理采用了水泥粉煤灰碎石桩（简称CFG桩）技术，取得了良好的工程效果。

Taking one section of Quanzhou highway as the case , it introduces the application of cement flyash gravel pile ( CFG ) technology to the soft ground construction .

在对比细度以及活性度指标基础上，提出了粉煤灰活性指数指标HH，该指标将粉煤灰的外部宏观细度控制指标（比表面积）及内部活性控制指标（活性度）有机地结合在一起。

The exterior macroscopic fine degree ( the specific surface area ) is connected with the interior index ( activity degree ) together well .

本文通过研究MgO和粉煤灰掺量、温度及龄期对MgO混凝土的自生体积变形的影响，建立MgO混凝土自生体积变形的数学模型，为工程实践和科研提供参考。

In this paper , the influence of content of MgO and fly ash , age and temperature on the autogenous volume deformation of MgO concrete is studied and its mathematic model is established .