The Oruanui eruption probably managed that, but a surer candidate is Sumatra's Toba blast, which released 2800 cubic kilometres of hot rock, ash and dust about 70,000 years ago.
奥努伊火山爆发就可能属于这一类，但是一个更有把握超级火山的候选者是苏门答腊岛的多巴火山爆炸。约在70 000年以前，多巴火山在爆发时释放了2800立方公里的灼热的岩石、火山灰和尘埃。
Relieved of the overlying pressure, the volcano ejected a blast of rocks, ash, gas, and steam that blew down and buried several hundred square miles of forest.
随着顶部压力的解除，火山激烈喷涌出大股的岩石、灰尘、气体和蒸气，降落下来后覆盖了数百平方英里范围内的森林。
Does the company utilize any by-products such as Fly Ash or Blast Furnace Slag?
企业是否利用任何副产品例如粉煤灰或高炉矿渣？
Industrial solid wastes utilized in dry mix mortars mainly include blast furnace slag, fly ash, waste rubber powder, waste expanded polystyrene granule, steel slag and tailing sand.
本文主要论述了矿渣微粉、粉煤灰、废橡胶粉、废弃聚苯颗粒、尾矿砂等工业固体废弃物在干混砂浆中应用的研究进展。
Effects of fly ash and pulverized blast furnace slag on resistance of permeability and resistance of freezing of high strength lightweight aggregate concrete (HSLWAC) were investigated.
研究了粉煤灰和磨细矿渣对高强轻骨料混凝土抗渗及抗冻性能的影响。
When ground electric furnace slag with ground fly ash or blast furnace slag are added into concrete together, the performance of concrete can be improved further due to the synergistic effect.
将磨细钢渣与磨细粉煤灰或矿渣混掺可以发挥复合效应，提高掺合料的活性，改善混凝土的性能。
Fly ash, blast furnace slag are widely used in cement-based materials as typical mineral admixtures.
因此，粉煤灰、矿渣在混凝土材料中得到了广泛应用。
The activation effect of some kinds of alkali activators for three solid wastes-water-quenching blast furnance slag, steel slag and fly-ash has been investigated in this paper.
研究了几种碱性激发剂对水淬高炉矿渣、钢渣和粉煤灰三种固体废弃物的激发效果。
Injection of coal with low ash content is beneficial to increasing the economic effect of blast furnace injection.
高炉喷吹低灰分煤粉有利于提高经济效果。
The current blast has sent ash to as high as 7 kilometers (4.5 miles), according to a vulcanologist at the University of Iceland.
据冰岛大学一位火山学家所说，时下的此次爆发把火山灰送到了高达7千米（4.5英里）的空中。
The mechanical activation effect was taken place when granulated blast furnace slag and fly ash were ground.
应用粉体机械力化学效应原理，对矿渣、粉煤灰等工业废渣进行机械活化。
The fly ash, granulated blast furnace slag and natural zeolite powder are the mineral additions for concrete mixing.
粉煤灰、粒化高炉矿渣粉和天然沸石粉是拌制混凝土的矿物掺合料。
Because of absence of unburned pulverized coal and coal ash, the change in composition from primary slag to final slag is small, so the slag formation in gas injection blast furnace is improved.
由于没有未燃煤粉和煤粉灰分的加入，初渣到终渣的成分变化较小，改善了喷煤气高炉的成渣过程。
The invention relates to a blockage removing device and a method for a pneumatic ash conveying pipe in a gas bag-type dedusting system of a blast furnace.
本发明涉及一种用于高炉煤气布袋除尘系统的输灰管道的排堵装置和方法。
The amount of zinc emitted from blast furnace with gas ash was 96.14% (in mass). Therefore BF gas ash isn′t appropriate to be recovered as the sintering materials.
支出项中，由瓦斯灰带走的锌量最多，占总支出量的96.14%，应严格控制各级除尘灰进入烧结系统。
The amount of zinc emitted from blast furnace with gas ash was 96.14% (in mass). Therefore BF gas ash isn′t appropriate to be recovered as the sintering materials.
支出项中，由瓦斯灰带走的锌量最多，占总支出量的96.14%，应严格控制各级除尘灰进入烧结系统。
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