GEOLOGY AND GENESIS OF MINLE ASH FLOW COPPER DEPOSIT,JINGGU
景谷民乐火山灰流型铜矿地质及成因
According to the radiation-optical quality of volcanic ash we calculated the parameter of radiation-optic.
本文根据火山灰粒子的辐射光学特性,计算了火山灰粒子和平流层本底的辐射光学参数。
portland-pozzolana cement
火山灰质硅酸盐水泥
A volcano belches smoke and ashes.
火山喷出黑烟和灰土。
ash that was thrown By an erupting volcano.
火山爆发喷到空中的灰
The volcano ejected lava and ashes .
火山喷出熔岩和灰。
The village was overwhelmed by ash from the volcano.
村子被火山灰覆盖。
A volcano emits smoke and ashes.
火山散发着烟和灰。
volcanic ash and lava build the mountains that we call volcanoes.
火山灰和火山岩在喷射口堆积构成了火山。
Dense clouds of ash were generated during the volcanic eruption.
火山爆发时, 产生了浓密的火山灰云。
A volcano that vomited lava and ash.
喷出岩浆和火山灰的火山
Lava and ashes erupted from the volcano
熔岩和火山灰从火山中喷出来。
The volcano erupted lava and ashes
火山喷射出熔岩和火山灰。
A siliceous volcanic ash used to produce hydraulic cement.
火山灰水泥，火山石用来生产水硬水泥的含硅火山灰
As bad as the pyroclastic flows are, the ash injected into the atmosphere can have even more far-reaching consequences.
如同火山碎屑流般凶恶，喷发进入大气层的火山灰甚至会造成更深远的影响。
Source of volcanic ash in the sediments of Sihailongwan maar lake, NE China, and its significance
四海龙湾玛珥湖沉积物中碱流质火山灰的来源及其意义
fly ash and other pozzolans for use with lime
混合石灰用煤飞尘和火山灰
MORPHOLOGY AND COMPOSITION OF FLY ASH RESIDUES OF POZZOLANIC REACTION
粉煤灰火山灰反应残渣的形貌及组成