火山灰流

Of Nei Lak Shan. They may form in response to variations in flow during emplacement and/or in the

它们的形成可能是由於火山灰流的变化或不同

Many lives have been lost to the volcano's frequent eruptions, which are accompanied by high-speed pyroclastic flows and mudflows called lahars.

许多人的生命已经失去由于火山频繁喷发，这是伴随着高速的火山灰流和泥流被称为火山泥流。

It includes a chronology of the 79 AD eruption, details of the pyroclastic flow and then compares the events to other modern volcanic eruptions.

该研究是John Dobbins主持的庞培讨论会的一部分，提供了公元39年火山灰的年表，详细阐述了火山灰流的资料，然后对比了当时火山和现代其他火山爆发的异同。

Whole towns have been wiped out by poisonous gases from volcanoes even before they were hit with pyroclastic flows or lava.

在整个村庄遭到火山灰流或熔岩的袭击之前，为了躲避来自火山的有毒气体，人们已经筋疲力尽。

Deposition can occur when sediments settle onto the surface of the Earth and later lithify into sedimentary rock, or when as volcanic material such as volcanic ash or lava flows, blanket the surface.

当沉积物聚集于地表，接着被岩化为沉积岩时，则可以产生沉淀，或者火山灰或熔岩流等火山物质覆盖地表时也挥发生。

In March 2007 a mud flow, or "lahar" flowed down the side of the mountain after the crater lake overflowed, and large eruptions in 1995 and 1996 blanketed the surrounding area in ash.

二00七年三月，鲁阿佩胡的火山口湖溢出，造成火山泥流。一九九五年和一九九六年的激烈爆发，使周边地区完全被火山灰掩盖。

Explosive eruptions produce a mixture of volcanic ash and other fragments called tephra , rather than lava flows.

爆炸性喷发产生的混合火山灰和其他碎片所谓火山灰，而不是熔岩流。

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％。