Generally speaking, the coal of power plant is low-grade, high-ash (the low content of fixed carbon) and the effect of direct gasification is bad.
一般说来，电站煤质的品位低、灰含量高(低的固定碳含量)，直接气化效果很差。
One article is added as article 24: "the State promotes the dressing of coal by washing to reduce the sulfur and ash in coal, and restricts the mining of high-sulfur or high-ash coal."
增加一条，作为第二十四条：“国家推行煤炭洗选加工，降低煤的硫份和灰份，限制高硫份、高灰份煤炭的开采。”
Then the data that are produced can be put into models to determine how far, how high and how wide the ash will spread that will be based more on fact than on guesswork.
最后，我们测得的数据可以构建一个模型，用来确定火山灰可以扩散多远、多高还有多广。这些预测基于事实，而不是臆断。
The CAA said ash levels would now be graded as low, medium or high, and airlines would be notified if levels reached medium or high.
CAA说，火山灰的等级分为低、中、高档，如果达到中档或高档，将通知航空公司。
However, the high ash content and logistical problems with collection and processing will limit full utilization of this resource.
但是，灰分含量高和收集加工上的困难制约了对它们的充分利用。
The article describes the limitation of Texaco pressurized gasification of coal slurry, and also the research result for gasification of Huainan coal with high ash fusion temperature .
概述了德士古水煤浆加压气化的局限性，介绍了淮化在高灰熔点淮南煤气化方面的研究成果。
The test results show that the concentrate with ash content lower than 12.00% can be separated from high ash middling using this process.
试验结果表明，该工艺可以从高灰中煤中分选出灰分低于12．00％的精煤。
Effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete.
粉煤灰对高贝利特水泥和混凝土的工作性、强度及水化热的影响。
Macroscopic qualitative study and microscopic test technique were combined to examine the effect of the fly ash activator on the early hydrating of cement paste with high volumes of fly ash.
本文采用宏观定性研究和微观测试技术相结合的方法，考察了活性激发剂对高掺量粉煤灰水泥浆体早期水化进程的影响。
The experiments on humidification desulfurization by high calcium coal ash were carried out at a thermo balance and a semi industrial test ring.
该文以热天平和半工业性热态试验系统对高钙煤灰增湿脱硫过程进行了研究。
Activator can enhance remarkably the activity of fly ash and accelerate secondary hydration reaction of high fly ash content concrete.
激发剂能显著提高粉煤灰的活性，加速高掺量粉煤灰二次水化反应。
This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.
介绍了在水泥混凝土中，采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计，以及试件力学性能的室内实验结果。
The influence of fly ash form on extrusion process of high content fly ash(over70%)fired brick has been studied.
研究粉煤灰形态对粉煤灰掺量在70%以上的高掺量粉煤灰烧结砖挤出成型工艺的影响。
This paper introduces research results of preparation of silicate blocks with high strength fly ash using inferior fly ash as main raw material.
介绍以劣质粉煤灰为主要原料，制备高强度粉煤灰硅酸盐砌块的研究成果。
Fly ash grain composition, particle size distribution are the important process parameters that effect the molding of body stock of high content fly ash sintered porous product.
粉煤灰的颗粒组成、粒度分布是影响高掺量粉煤灰烧结空心制品坯料成型工艺的重要参数。
The conclusion is that the ash agglomerating fluidized bed gasification is a most suitable technology choice for handling Chinese coal with high ash, high sulfur and high ash fusion temperature.
结果表明：灰熔聚流化床煤气化技术适合中国高灰、高硫、高灰熔融性温度煤的气化。
In column experiment during 21 days, it was observed that the granulated fly ash could continuously remove the phosphorus under high hydraulic loading rate.
还进行了为期21天的连续过滤试验，发现滤床在高水力负荷条件下能持续地去除景观水中的磷。
High blending fly ash concrete suits specially the big bulk concrete projects.
大掺量粉煤灰混凝土特别适合大体积混凝土工程。
High performance fly ash concrete is a kind of green building materials with vast development foreground.
粉煤灰高性能混凝土是具有广阔发展前景的绿色建材。
To solve the problem of lack of better paving material, utilization of high plastic clay and bi-ash soil construction can be adopted.
江南水乡湖泽众多，缺乏优良的筑路材料，因地制宜地利用高塑性粘土进行二灰土施工解决了这一难题。
We have informed the airport to be on alert as the ash is quite high this time.
克里斯蒂安托说：“我们已经通知机场时刻警惕，因为火山灰现在已经上升到高空。
The pneumatic vibrative bag type dust remover has high ash removing efficiency, uniform ash removal, and no dead angles, and can realize automatic dust removal and ash removal.
这种除尘器清灰效率高，且均匀无死角，并可实现自动化除尘清灰。
They took something called rice husk ash: the leftover husks from processing rice is burned for energy, and the ash remains. It's high in silica and carbon.
他们用到了稻壳灰(也就是稻谷脱粒之后焚烧稻壳剩下的灰烬，其中富含二氧化硅和碳)，经过简单处理后开发出一种制造隔热板的新材料。
So though the total volume of the eruption, put at about 0.14 cubic kilometres, is low, the amount of ash capable of travelling long distances is high.
所以，尽管这次喷发的规模不大，大约0.14立方千米，但大量灰尘扩散到很远的地方。
These experiments have proved that, for the coal dust with high ash component, after multiple actions by shock wave, it's explosive characteristic has been greatly increased.
试验结果表明，对于高灰分煤尘，在冲击波的多次冲击下煤尘的爆炸特性明显增强，危险性大大增加。
The tests to produce the cement with high carbon fly ash instead of clay are made, and the main technology and cement proportioning options are presented in this article.
本文对高碳粉煤灰代替粘土生产水泥进行了试验研究，提出了生产操作的主要技术方法和水泥配料方案。
Weihe Chemical Fertilizer Plant originally used Huangling coal, but due to its high ash content and ash fusion point, it became an obstacle in the long term stable operation of the Texaco Gasifier.
渭河化肥厂原采用的黄陵煤由于煤质灰份含量及灰熔点偏高，影响德士古气化炉长周期稳定运行。
The lower image shows a vertical profile of the atmosphere, revealing that the ash was between four and six kilometers high on May 16.
下部的图像显示的是大气的垂直廓线，表明5月16日火山灰高度在4到6公里之间。
The lower image shows a vertical profile of the atmosphere, revealing that the ash was between four and six kilometers high on May 16.
下部的图像显示的是大气的垂直廓线，表明5月16日火山灰高度在4到6公里之间。
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