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Other factors like type of fly ash and type of cement are considered in this model as well.

最后，对模型进行了实验验证，预测结果与实验结果吻合较好。

The electrical properties of concretes using 3 kinds of fly ash with different iron oxide contents have been studied.

对混凝土的电性能与铁氧化物含量不同的使用3种粉煤灰进行了研究。

The results show that the mechanical properties are decrease with the increase the content of untreated fly ash.

结果表明：在PVC中填加未经处理的粉煤灰后，体系力学性能随粉煤灰含量的增加而下降。

There is a comprehensive discussion on stabilization disposition and utilization of fly ash respectively in this article.

随着垃圾焚烧处理日益广泛的应用，垃圾焚烧飞灰的稳定化处置和资源化利用成为一个亟待解决的问题。

The experimental results can be used as a basis for fly ash sintering process adoption and operation parameter determination.

实验结果为飞灰无害化低温烧结工艺的选择和运行参数的制定提供了依据。

The paper aims to study the effect of fly ash on concrete to sulphate attack.

研究了粉煤灰对混凝土抗硫酸盐侵蚀性能的影响。

The effects of activated fly ash on cement setting time and mortar strength are studied.

研究了活化粉煤灰对水泥的凝结时间和胶砂强度的影响。

The character of fly ash and technical requirements as filling agent of plastic were analyzed.

分析了粉煤灰的特性及其作为塑料制品填充剂所应满足的技术要求。

The experimental study is made on low strength of the autoclaved aerated concrete block s using fly ash of gangue power plant.

针对利用煤矸石发电厂的粉煤灰生产的蒸压加气混凝土砌块存在强度低的问题进行试验研究，并借助X射线衍射进行了原因分析。

According to the work experience of the author, some points for attention about the facture of small-sized fly ash hollow block during construction are summed up.

根据笔者的工作经验，总结了粉煤灰小型空心砌块成品制作及施工中应注意的问题，并针对砌块墙面易出现裂缝的问题，提出了具体的处理措施。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。