查询词典 ash gray

Results indicate that the strength-effect of fly ash in mortar system is different from that of concrete.

强度是水泥基材料众多性能中最重要和最关键的性能之一。

In this paper the compacting property of the steel slag fly ash road base material is studied.

研究了钢渣粉煤灰的配比并对这种材料的压实性能进行了研究。

But after 28 days, that of the concrete without mixing with fly ash increased scarcely.

但经过28天的混凝土，没有与粉煤灰混合增加很少。

Synthesis of zeolites from coal fly ash is one of the effective ways of resource utilization.

将粉煤灰合成沸石是有效利用资源的途径之一。

However, in later period, it remarkably increased as fly ash dosage increased.

但是，在以后的时期，显着提高粉煤灰用量的增加。

The fly ash is the most widely and largely used one.

粉煤灰是最广泛使用的一大部分。

In addition, the embodied energy of several different strength grades of concrete and fly ash concrete is calculated.

此外，还计算了不同强度等级的掺与不掺粉煤灰混凝土的物化能耗值。

The potential advantage of fly ash applied for agriculture is discussed carefully in this paper.

粉煤灰在农业上的利用具有潜在的优势，本文就此进行了较为详细的分析。

It is a new method that detecting the content of carbon in fly ash by photoacoustic effect.

应用光声效应来检测粉煤灰中碳的含量是一种全新的碳检测技术。

The influence of NaOH and Ca2 on the properties of paste with 30%, 50% and 70% fly ash was studied.

研究了NaOH和Ca2对掺30%，50%和70%粉煤灰浆体性能的影响。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？