Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon.
多年冻土砂金矿的开采, 解冻是关健。

Preliminary approach to the existence of permafrost in Mahan mountain area, Lanzhou
兰州马衔山冻土问题的初步探讨

An Approximate Solution to Thermal Regime of Permafrost Under a Thaw Lake Using Heat Balance Integral Method
求解融湖下冻土热状况的热平衡积分法

And what they found, by doing research into the permafrost, was this bacteria.
他们针对永久冻土层进行了研究，发现了 这种细菌。

Efforts to solve barracks construction technical problems in glacier and permafrost zones bear fruit
高工冯新华攻克冰川冻土营建难题

On the beach there is a jagged layer of thawing permafrost.
海滩上, 有一个不规则得正在融化得永久冻土层。

Methane is also beginning to escape from the permafrost.
甲烷也开始 从冻土中逃出。

Permafrost is soil, often waterrich, that is below freezing.
永久冻土通常具有冰点以下的丰富水资源。

Methane Bubbling Up From Undersea Permafrost
甲烷从海底永冻层带冒出？

The Haemostatic Effect on Spermafic Cord to be Ligated by Himself Tissues in Bull Castration
公牛阉割用自体组织反扎精索止血效果好

If the permafrost melts, prodigious amounts of trapped methane gas will burp out of the once frozen ground.
二是暖化到什麽程度时, 会使北极的多年冻土融化？

infrapermafrost water.
冻结层下水

It also can be released directly as stored methane already in the permafrost is released as it thaws.
冰冻在永冻层中的甲烷也能随着永冻层的融化而释放。

The harder the material under the permafrost is, the larger the chamber charge required.
永冻层之下的土壤越硬，所需要的药室装药量也越大。

Experimental study on thawing subsidence characters of permafrost under frost heaving and thawing circulation
冻融循环条件下土的融沉性质试验研究

Cyclical change of temperature leads to permafrost heaving in cold season and thawing settlement in warm season.
温度周期性变化导致冻土在寒季冻胀, 暖季融化沉陷。

The sediments would release a lot of nutrients normally locked up in permafrost into freshwater cycles.
沉积将发布在永冻土通常锁的很多营养素入淡水周期。

Relationship between Climate Changes and Permafrost Degradation at Huashixia Valley, China.
花石峡气候变化与多年冻土退化的关系预测

Hydrological Response of Winter Streamflow to Climate Change and Permafrost Degradation in Manas Watershed, Tianshan Mountains.
天山玛纳斯河冬季径流对暖冬和冻土退化的响应

Roughly the size of India, its capped by a thick layer of permafrost and swathed in dense taiga forest.
粗广得印度覆盖稀薄得冻土和宽带状浓密得原针叶林。

So it is necessary to develop an instrument that fits to research warmer permafrost ice content.
因此，研制适合高温冻土蠕变实验研究设备非常必要。

How much methane and dioxide might be released from the rotting permafrost?
腐烂得冻土层将会向空气中排放多少甲烷和二氧化碳?

How much methane and dioxide might be released from the rotting permafrost ?
腐烂的冻土层将会向空气中排放多少甲烷和二氧化碳?

How much methane and carbon dioxide might be released from the rotting permafrost?
一个腐烂的永久冻土层，将释放出多少甲烷和二氧化碳？

They are distributed in polar permafrost horizons and submarine sediments.
分布于极地永冻层和海底沉积层中。