硫铝酸钙

同时对以阿利特-硫铝酸钙钡为主导矿物的新型高胶凝性水泥材料进行了展望。

Finally , the developmental trends of a new type cement with Alite-Ba-bearing calcium sulphoaluminate as dominant mineral was prospected .

阐述了阿利特-硫铝酸盐水泥、贝利特-硫铝酸钙钡水泥的研究、进展及目前研究的热点。

This paper has the comprehensive research , developmental status and the present study hotspot of Alite-sulphoaluminate cement and Belite-Ba-bearing calcium sulphoaluminate cement .

掺杂P2O5对无水硫铝酸钙形成及水化性能影响的研究

Influence of P_2O_5 on the Formation and Hydration Properties of C 4A 3S

ITZ中的主要水化产物是水化硫铝酸钙。

In addition , ettringite is the main hydration product in the ITZ .

研究了硫铝酸钙型膨胀剂（UEA）对高性能混凝土补偿收缩性能，重点提出来养护条件对掺加膨胀剂高性能混凝土体积稳定性的影响，强调了加强早期湿养护的重要性；

And the expansive agent UEA could compensate shrinkage , but different curing conditions have significant effects on the volume stabilization of HPC .

氧化钙类和硫铝酸钙类（AFt）可补偿混凝土的早期收缩，但分别在28和60d后仍会出现后期收缩现象。

The early concrete shrinkage with CaO-type and AFt-type expansive agents may be compensated , but the later shrinkage after 28 and 60 d cannot be compensated .

含锶钙矾石中Sr的键级和SrO共价键级大于钙矾石中的Ca和CaO键.由此可以认为这是含锶硫铝酸钙水化强度高于硫铝酸酸钙的主要原因之一。

What the bond order of Sr and the covalent bond order of Sr-O in ettringite with strontium are higher than these of ettringite is the main reason , that the strength of ettringite with strontium is higher than that of ettringite .

结果表明：C（B）4A3S与C3S等矿物可以通过低温固相反应形成并共存于同一熟料体系中，这为高胶凝性阿利特硫铝酸钙钡矿相体系的合成奠定了重要基础。

Results show that the C ( B ) _ ( 4 ) A_ ( 3 )( S ) and C_ ( 3 ) S minerals can be synthesized in low temperature of solid state reaction and coexisted in the same clinker system .

无水硫铝酸钙水化热动力学特性的研究钛-氚反应特性研究Ⅲ.热解吸动力学特性

Research on the Characteristics of Titanium-Tritium Reaction ⅲ . Characteristics of Desorption Kinetics

阿利特和无水硫铝酸钙矿物分别是硅酸盐水泥和硫铝酸盐水泥的主导矿物。

Alite and C4A3 ( average ) S are the main minerals of Portland cement and Alite sulphoaluminate cement .

硫铝酸钙是典型的早强型矿物，但后期强度增进率低。

C4A3 ( average ) S is a typical high early strength mineral , but its improving rate of the strength is small .

利用X射线衍射、扫描电镜与能谱分析等测试手段分析了阿利特硫铝酸钡钙水泥熟料的组成和结构。

The mineral constituents and the structures of the clinker were analyzed by X-ray diffraction , scanning electron microscope and energy depressive spectrum .

用DTA，XRD，SEM，MIP方法研究了铁对硫铝酸钡钙矿物的水化产物的影响。

By experiment methods of DTA , XRD , SEM and MIP , the influence of the ferrite on the hydration products of barium - bearing calcium sulfo - aluminate was studied .

结果表明，在该熟料体系中阿利特、硫铝酸钡钙、贝利特和铝酸三钙等矿物的最佳组成分别为50%、10%、25%和15%，B2O3的适宜掺量为2%。

Optimization of minerals alite , C_2.75B_1.25A_3S , belite , and C_3A are 50 % , 10 % , 25 % and 15 % respectively . B_2O_3 whose optimum level is 2 % was mixed into the system additionally .

贝利特-硫铝酸钡钙水泥的水化硬化过程

Hydrating and hardening process of Belite-barium calcium sulpho-aluminate cement

研究了石膏对贝利特-硫铝酸钡钙水泥强度和硬化浆体结构的影响。

The influence of gypsum on compressive strength and performance of hardened paste of belite-barium calcium sulphoaluminate cement was studied .

研究不同掺量的矿渣、粉煤灰和沸石粉对阿利特-硫铝酸钡钙水泥砂浆强度的影响规律，并对其反应机理进行探讨。

The influence of different contents of slag , fly ash and zeolite powers on the strength of alite-calcium barium sulphoaluminate cement mortar is investigated , and the reaction mechanism is discussed .

利用DTA和XRD方法，研究了烧成温度对硫铁铝酸钡钙矿物性能的影响。

By means of DTA and XRD , the influence of sintering temperature on the formation and properties of C2 .

针对炉内煤高温燃烧过程中脱硫率低的国际性难题，本文通过大量的理论分析和机理研究对高温固硫产物硫铝酸钙的生成和分解机理进行了深入系统的分析研究。

During coal combustion at high temperature in furnaces , the desulfurization rate is difficult to promote .