查询词典 pozzolanic

The new method can differentiate the pozzolanic reactivity of active SiO2 and Al2O3, and obtain the useful parameters, such as reaction rate constant and activation energy.

该法不但可以反映出活性SiO2、Al2O3火山灰反应能力差异，还可得到火山灰反应速率常数和表观活化能等有用的动力学参数。

For the first time, the method of the change of active components content is used to investigate the pozzolanic reaction kinetics of FBC ashes and PF ashes.

目前主要采用氢氧化钙变化量法和化学结合水量法研究火山灰质掺合料的火山灰水化反应动力学，而本研究首次采用了活性组分变化量法。

This indicate that pozzolanic reaction of X FLOUR is adquate.

表明X粉火山灰反应充足，对硬化体微结构改善明显，因而增强效应显著。

Test results show that the shear strength parameters of the fly ash with high calcium oxide content can make a notable change due to pozzolanic action and frost and thaw cycles, but for the fly ash with low calcium oxide content this phenomenon is not very obvious,and the influence of the frost and thaw cycles can be neglected.

试验结果表明，高氧化钙含量的粉煤灰的强度指标受上述两种作用的影响显著；低氧化钙含量的粉煤灰的强度指标在凝硬作用下也有所提高，但基本不受冻融作用的影响；干贮粉煤灰的渗透系数受凝硬和冻融作用的影响较小。

And this paper deals with heat of hydration and shrinkage in big mass concrete because of utilizing pozzolanic effect and micro-crystal grain effect of superfine slag powder and flyash.

但是大体积混凝土因水化热在混凝土内、外产生的温差造成的温差裂缝及大体积混凝土的收缩，一直困扰着大体积混凝土的施工。

Silica fume is a highly effective pozzolanic material due to its extreme fineness and high silica content. Silica fume have been used in concrete to improve its properties.

硅粉是一种高效的活性掺合料，能够显著提高混凝土的强度、抗渗性，抗冻性和耐久性。

The direct relationship between the strength coefficient of fly ash and main factors,such as the pozzolanic activity index,content of fly ash,water binder ratio and curing age,is given.

提出了粉煤灰强度效应因子k的动态预测模型，该模型建立了粉煤灰强度效应因子与粉煤灰火山灰活性指数、粉煤灰掺量、水胶比、龄期等主要参数之间的直接联系，并考虑了粉煤灰品种、水泥品种等其它因素的影响。

In Taiwan, a huge amount of iron blast furnace slag and coal combustion products are produced, and they are mainly reproduced added into the cement as the pozzolanic materials.

台湾地区每年产生的水淬高炉石与燃煤飞灰数量庞大，目前主要的再利用途径是作为波索兰材料添加於水泥用料中。

The analysis indicates that micropacking silica fume works to the density and relative density of RPC, and its pozzolanic effect helps the strength of RPC.

硅灰的微填充效应有利于提高活性粉末混凝土的密度和相对密度，而火山灰效应有利于提高其强度。

The concept of engineering applicable pozzolanic reactive sulfur sorbent and its chemical composition and preparation process is proposed for the first time by using agglomeration of pulverized limestone particles.

本文借助于固体粉粒体成型技术首次提出并开发了工程实用的水硬性高效脱硫剂的概念、配方和成型工艺，并成功地以工业规模制成了水硬性高效脱硫剂。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。