permafrost region造句

• This is the vegetational climate of arctic permafrost regions .
  这是北极永冻地区的植物气候。
• The construction techniques for pile foundation in plateau permafrost region
  青藏铁路高原冻土地区桩基础施工浅述
• Study on working mechanism of embankment with insulation in permafrost regions
  多年冻土地区隔热板路基工作机理研究
• Numerical analyses of pavement deformation and stress in permafrost regions
  多年冻土区路基路面变形及应力的数值分析
• Frost heaving analysis of corrugated pipe culvert without foundation in permafrost region
  多年冻土地区无基波纹管涵洞冻胀分析
• Numerical simulation of thermal state of eps insulation roadbed in permafrost region
  多年冻土区聚苯乙烯隔热公路路基温度场数值分析
• Nonlinear analysis of influence of embankment height on embankment thermal regime in permafrost regions
  多年冻土区路基高度对温度场影响的非线性分析
• Finite element simulation of temperature field of station roadbed in permafrost regions of qinghai - xizang plateau
  青藏高原多年冻土区站场路基温度场的有限元模拟
• Mechanism and prevention of deformation cracks of embankments in the permafrost region along qinghai - xizang railway
  青藏铁路多年冻土区路基变形裂缝发生机理及其防治
• Numerical heat transfer analysis and optimization for thermosyphons coupled with natural ground in permafrost regions
  多年冻土区天然地面耦合热管的数值传热分析及优化
• Engineering damages of embankment in permafrost regions are mainly caused by thaw settlement of permafrost
  摘要多年冻土区道路病害主要是由路基下冻土温度升高融化下沉引起。
• Analysis of difference in thermal state between south faced slope and north faced slope of railway embankment in permafrost region
  多年冻土区铁路路基阴阳坡面热状况差异分析
• The longitudinal cracks have become the main subgrade distress type in the permafrost regions , and there is not a effective solution now
  纵向裂缝目前已成为多年冻土地区路基病害的主要类型之一，目前还没有一种有效的解决方法。
• Thus , the applicability of block - stone embankment structure is worth to be discussed in order to take corresponding measures to solve the stability problems of embankment in warm permafrost regions
  块石路基结构在高温多年冻土区适应性问题仍值得讨论，应采取相对应的补强措施，确保高温多年冻土区路基稳定性。
• This article introduces the status quo of engineering and technology of foreign pipelines in permafrost regions , and puts forward the relative countermeasures for the construction of pipelines in the regions in allusion to the frost heaving and thaw settlement of country rock and soil along the pipeline route
  摘要介绍了国内外冻土地区管道工程技术现状，针对冻土地区管道沿线和周围（岩）土的冻胀和融沉问题，提出了相应的对策。
• Results showed that the temperature distribution of the traditional embankment was asymmetrical ; the asymmetrical status was changed after ripped - rock revetment was installed and the soil under the ripped - rock was cooled obviously ; the ripped - rock revetment could cool embankment and adjust the temperature difference between the north - facing slope and the south - facing slope ; the ripped - rock revetment was an available technique to protect embankment from thawing settlement and longitudinal cracks in permafrost regions
  结果表明：普通路基的阴阳坡两侧温度分布极不对称；铺设抛石护坡后，这种状况得到了很大改善，并且抛石护坡下土体温度明显降低；抛石护坡能够降低路基温度和调节路基阴阳坡的温度差异；抛石护坡是多年冻土区防治路基融沉和纵向裂缝病害的一种可行措施。
• Take the gelmud - lhasa product oil pipeline as an example , the authors study and discuss some technical problems about pipeline construction in the permafrost region , including pipe laying methods to be selected , cathodic protection technology , weather and environment variation along pipeline route and environment control of pipeline route
  以格拉输油管道为例，探讨了冻土地区管道工程可选择的敷设方式、油气管道的电保护技术、气候和环境变化对管道的影响以及沿线环境管理等方面的问题。