permafrost

美 [?p?rm??fr?st] 　英 [?p??(r)m??fr?st]

• n.多年凍土
• 網(wǎng)絡(luò)永凍層；永久凍土；永凍土

英漢雙解

英漢解釋

n.	1. 【地】永久凍土

英英解釋

n.	1. ground that stays permanently frozen, for example in the polar regions

例句

Permafrost is basically dirt that's been permanently frozen for hundreds or thousands of years, much of it since the last ice age.

永久凍土層基本上是已經(jīng)被持久凍結(jié)數(shù)百或數(shù)千年的泥土，其中大部分是自上一次冰河時(shí)期。

How much methane and carbon dioxide might be released from the rotting permafrost?

一個(gè)腐爛的永久凍土層將釋放出多少甲烷和二氧化碳？

"There's quite a bit of truth in it, " Julian Murton, member of the International Permafrost Association, told Reuters.

“這里面有相當(dāng)多的真理，”國際凍土協(xié)會(huì)委員朱利安默頓告訴路透社記者。

What was unusual about this was that Torrington had been dead for 138 years, buried under 1. 8 meters of Arctic permafrost.

非同尋常的是托林通早在一百三十八年前就死了，葬于北極1.8米深的永久冰土下面。

As a high-effective heat conduction set, thermal probe can be used for enhanced thermal stability of building basement in permafrost .

熱棒是傳熱效率很高的熱導(dǎo)裝置，適合于增強(qiáng)青藏高原多年凍土區(qū)建筑物地基的熱穩(wěn)定性。

Vegetation coverage directly involved in and influences the active layer of permafrost alpine hydrological cycle and its evolution trend.

地表植被覆蓋直接參與和影響著高寒草甸凍土活動(dòng)層的水文循環(huán)過程及其演變趨勢(shì)。

"The permafrost, the constantly frozen layer of earth that protected them up until now, is melting, " he said.

“陳年凍土，這個(gè)一直保護(hù)遺跡至今的冰凍的土地表層正在融化”他說。

The polar ice caps are made of frozen water and carbon dioxide, and water may be frozen in the ground as permafrost.

極地冰帽是由固態(tài)水和二氧化碳組成的，水也有可能存在于永久凍土之中。

A recent study suggests, however, that permafrost ices below the surface of Mars may have altered the effects of impact on it.

但是，近來的研究表明，火星土層表面下的永久凍結(jié)冰可能改變了這種沖擊效應(yīng)。

In permafrost areas in the Soviet Union or Canada or Alaska, ice has been used effectively for walling and roofing.

在蘇聯(lián)、加拿大或阿拉斯加的永久凍土地區(qū)，冰一直很有效地用來做墻和屋頂。

This correlates well with the doubling of permafrost temperature and a decrease in the stability of the tundra surface in the region.

這在這個(gè)區(qū)域很好關(guān)聯(lián)與加倍永凍土溫度和在寒帶草原表面的穩(wěn)定的減退。

The presence of sea ice and of permafrost helps protect Arctic barrier islands for much of the year.

海冰和凍土層的出現(xiàn)很多年來幫助保護(hù)了北極障壁島。

The sediments would release a lot of nutrients normally locked up in permafrost into freshwater cycles.

沉積將發(fā)布在永凍土通常鎖的很多營養(yǎng)素入淡水周期。

Different explanations have been offered for these fluxes, including emissions from fires, wetlands, melting permafrost, and plants.

針對(duì)這些排放量變化有著不同的解釋，包括來自燃燒物，濕地，融化的凍土和植物的排放。

The permafrost contains immense amounts of frozen organic matter that have been accumulating for millennia.

永久凍土層經(jīng)過千萬年的累積，包含了巨量的凍僵的有機(jī)物。

Block stones were used to protect permafrost from thawing by air convection effect in the embankment of Qinghai-Tibet Railway.

青藏鐵路廣泛采用的塊石護(hù)坡和塊石路基是通過空氣對(duì)流降低路基的溫度起到保護(hù)凍土的作用。

Vast reaches of the planet have been locked for millennia in stunning permafrost formations. But perhaps not permanently.

這片廣袤的大地已經(jīng)被冰封了數(shù)千年之久，但也許不會(huì)永久。

It also can be released directly as stored methane already in the permafrost is released as it thaws.

冰凍在永凍層中的甲烷也能隨著永凍層的融化而釋放。

trees and soils, methane could be coming out of the permafrost in Siberia.

樹木和土壤，西伯利亞永凍層的甲烷也會(huì)跑出來。

They've survived for millennia in desert, in the permafrost, at the tops of mountains and at the bottom of the ocean.

它們存活了上千年在沙漠中，永久凍土層中，在群山之巔或是汪洋之底。

Research into the whereabouts of the missing water points to the probability that permafrost underneath the lakes thawed out.

研究發(fā)現(xiàn)，消失的湖水失蹤之處，可能是湖下解凍的永久凍土層。

Their growth will likely counterbalance some of the increased emissions from melting permafrost.

植物的生長(zhǎng)或許可以在某些程度上平衡由于永久凍土融化而不斷增加的碳排放。

The Storflaket permafrost plateau bog near Abisko in northern Sweden shows cracks at its borders due to thawing of the permafrost.

在靠近瑞典北部阿比斯庫的Storflaket高原多年凍土沼澤由于凍土融化在其邊緣處出現(xiàn)了裂縫。

is developing cracks in its concrete structures while its permafrost foundation is sinking and cracking, state press said yesterday.

州府新聞說，這個(gè)鐵路混凝土結(jié)構(gòu)現(xiàn)出現(xiàn)裂縫，凍土地基正在下沉和出現(xiàn)斷裂現(xiàn)象。

As mentioned above, there is no reliable technology for the field observation of the unfrozen water in permafrost.

如前所述，凍土中未凍水的野外觀測(cè)還沒有可靠的技術(shù)。

Microbes in permafrost have successfully adapted to cryogenic stress in morphologic, physiological and biochemical levels.

低溫脅迫下，凍土中微生物從形態(tài)、生理和生化水平發(fā)展了特殊的耐受機(jī)制。

An exposed wall of ice-rich permafrost dwarfs a researcher along the coast of Herschel Island in the Yukon Territory of Canada.

一個(gè)含富冰層的永久凍土的裸露懸崖使得沿著加拿大育空地區(qū)赫歇爾島海岸行走的研究員顯得格外矮小。

Warming temperatures may also help uncover archaeological evidence buried under permafrost.

溫暖的氣候也會(huì)幫助揭開哪些塵封在凍土之下的考古真相。

The methane and carbon dioxide levels will increase as a result of permafrost degradation.

由于凍土退化，甲烷和二氧化碳水平將會(huì)增加。

And the reliability of foundation in permafrost regions is susceptible to temperature, which shall be taken into account in design.

同時(shí)氣溫持續(xù)升高對(duì)多年凍土區(qū)的基礎(chǔ)可靠性有強(qiáng)烈影響，設(shè)計(jì)時(shí)應(yīng)予以考慮。

Reasearch into the whereabouts of the missing water points to the probability that permafrost underneath the lakes thawed out.

人們對(duì)消失水域周圍地帶的考察表明這些湖泊下面的永久凍土有可能已經(jīng)解凍。

Natural gas hydrate, which deposits on the ocean floor or in permafrost regions in vast quantities, is a potential future energy resource.

天然氣水合物廣泛存在于海底和凍土等極地環(huán)境中，是未來潛在的新型天然氣能源。

The Yellow River source is situated in the hinterland of Qinghai-Tibet Plateau, belonging to middle latitude mountainous permafrost zone.

黃河源頭地處青藏高原腹地，屬中緯度高山多年凍土帶。

"But other countries try to avoid building cities on permafrost, " the scientist says.

其它國家都避免把城市建在永久凍土帶上。

The continuing retreat of glaciers, permafrost and sea ice is expected, with the Arctic region being particularly affected.

冰川、凍土、海冰有可能不斷退縮，北極地區(qū)影響尤為嚴(yán)重。

Permafrost in the Altai Mountains in central Asia, sea ice in Alaska and glaciers in the Rocky Mountains were studied for the research.

中亞的阿爾泰山凍土，阿拉斯加的海冰遺跡，落基山山脈冰川等眾多地域均列于此項(xiàng)研究之中。

Methane is released when organic material in the thawing permafrost decomposes, which gradually releases methane.

當(dāng)永凍層融化，其中的有機(jī)物質(zhì)分解就會(huì)釋放甲烷。

Underneath the permafrost are stores of methane, the same as the natural gas people use for cooking and heating.

永凍土層底部儲(chǔ)存了甲烷氣體，同人們做飯取暖用的天然氣是一樣的。

The coarse-grained soil as embankment fill can meet the basic condition of heat transfer theory to uplift artificial permafrost table.

粗顆粒土作為填料可以滿足路堤人為上限抬升的基本傳熱學(xué)條件；

To solve the technique problem of wet jet concrete in permafrost tunnel construction, composite fast concreting medicament is developed.

為了解決凍土隧道濕噴混凝土技術(shù)難題，研制了復(fù)合型抗凍速凝劑；