permafrost的例句大全

The regression equations of embankments height and annual maximum thaw depth of permafrost were put forward to provide evidence for disease forecast of permafrost embankments.

本文还提出路基高度与冻土年最大融深之间的回归公式，为路基病害预测提供依据。

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Thawing Index and Freezing Index on the Embankment Surface in Permafrost Regions

冻土的融化明显提高了土壤淀积层的贮水量。冻土路基表面的融化指数与冻结指数

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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。

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When the overlay of permafrost is thawy soil, the acceleration peak value is greater than that when the overlay permafrost changes into frozen soil.

多年冻土上界以上为融土时，地表面的加速度峰值比上界以上为季节性冻土时要大。

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The pattern of the pipeline's up and down route is determined by the often harsh demands of the Arctic and subarctic climate, the tortuous lay of the land, and the varied compositions of soil, rock, or permafrost ( permanently frozen ground).

管道这种或上或下的路线决定于严酷的极带和副极带气候、复杂的地形和构造各异的土壤、岩石、永久冻土。

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The author discusses the forming conditions of natural gas hydrates, the tectonic unit division and the ever-permafrost characteristics. At the same time, the author placed emphasis on the geophysics recognition and prediction of natural gas hydrates.

在详细论述天然气水合物形成条件、羌塘盆地构造及永久冻土特征的基础上，重点讨论了羌塘盆地天然气水合物地球物理特征的识别与预测。

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Study was made on the content of Sulphur in permafrost and the influencing factors of the Sulphur contents in three ecosystems which were virgin forest, clear cutting forest, original wetland in typical temperate Larix gmelinii forest region in China.

通过对我国典型寒温带兴安落叶松林区的原始林、间伐林、原始湿地3种生态系统冻土中硫含量以及影响硫含量因素的研究。

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Temperature Influence on Strength of Cement Stabilized Gravel Formed in Permafrost Areas

多年冻土地区温度对水稳砂砾强度形成影响

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Permafrost Temperature Regime: Study Method and Applied Analysis

冻土温度状况研究方法和应用分析

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Model Analysis of Using Thermosyphon to Enhance the Subgrade Stability in Permafrost Regions

应用热管技术提高多年冻土地区路基稳定性的数值分析

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Numerical Analysis of Proper Thermosyphon Inclination Angle Used in Permafrost Embankment

多年冻土区路基热管合理倾斜角度的数值分析

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Numerical analysis of thermosyphon in protecting the roadbed in Permafrost

多年冻土地区热管冷却路基数值分析

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Discussion on the formation of thick underground ice near the upper limit of permafrost

多年冻土上限附近厚层地下冰成因探讨

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The Relationship Between Permafrost Evolution and the Formation of Gold Placers in Northern Part of the Greater and Lesser Hinggan Mountains Since Late Pleistocene Epoch

大、小兴安岭北部晚更新世以来多年冻土演变与砂金成矿的关系

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Experimental Study on the Thermal Boundary Conditions and Temperature Fields of Duct-ventilated Embankment in Permafrost Regions

多年冻土区管道通风路基温度边界条件及温度场实测研究

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Analysis on transverse thermal difference of embankment in permafrost region

多年冻土地区路堤热差异分析

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Application of Thermal Pipe to the Culvert Engineering in Permafrost Region on Qinghai-Xizang Plateau

热桩在青藏高原多年冻土地区涵洞工程中的应用

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For maintaining permafrost thermal pipe embankment, the concrete design computing and choice of basic design parameters have been given.

对养护多年冻土热棒路基进行了详细的热工计算和设计参数的选取分析，给出了设计计算过程和方法。

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The principle and experience of application of thermal pipe to the culvert engineering in permafrost region of the Qinghai-Xizang Plateau were introduced based on the practice in the experimental engineering on the plateau.

本文根据试验工程的应用状况，总结介绍热桩在多年冻土区涵洞工程中应用的原理和经验。

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It shows that construction berm has limit effect on the ground temperature characteristics of embankment such as artificial permafrost table, annual mean ground temperature and thaw bowl, however, the thaw depth well increase and annual mean ground temperature will rise.

研究结果表明：设置护道对人为上限、年平均地温及融化盘等路基地温特征影响有限，但融化深度、年平均地温均表现为增大趋势；

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