tundra soil是什么意思

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Research on test and revision of nonlinear fracture toughness of undisturbed frozen soils;

原状冻土非线性断裂韧度测试与修正

Research on test of model Ⅰ nonlinear fracture toughness of undisturbed frozen soils based on energy balance method

基于能量平衡法的原状冻土Ⅰ型非线性断裂韧度测试研究

Experimental research of technology and timbering technique for plateau permafrost tunnel;

高原冻土隧道支护技术及工艺试验研究

Qinghai-Tibet railway is a practice of construction on plateau permafrost.

介绍了青藏铁路第五标段的工程概况,以DK972+850～DK972+950段路堤为例介绍高原冻土路基施工的基底处理和路基填筑方法及注意事项。

Prefabrication of 8 m pre-tensioned prestressed concrete T beam at permafrost zone over plateau;

高原冻土区8m先张法预应力混凝土T梁预制施工技术

Experimental study of uniaxial compression of clay frozen in situ;

原位冻结黏土单轴压缩试验研究

Research on test of model Ⅰ nonlinear fracture toughness of undisturbed frozen soils based on energy balance method

基于能量平衡法的原状冻土Ⅰ型非线性断裂韧度测试研究

Experimental study on water migration in undisturbed soil during freezing and thawing process

原状土冻融过程中水分迁移试验研究

Degradation of Permafrost in the Northern Part of Northeastern China:Present State and Causal Analysis

东北北部多年冻土的退化现状及原因分析

A study on strength and frost-resistance of concrete with poor quality of fly ash

掺低品质原状粉煤灰混凝土的强度及抗冻性研究

Analysis for Impact of Unfrozen Water on the Numerical Simulation Results of Permafrost Thermal Regime;

未冻水在冻土热状况数值模拟中作用的分析

The Effect of Embankment Construction on Permafrost in the Tibetan Plateau

路基施工对青藏高原多年冻土的影响

Study on Temperature Fields and Frost Heave and Thaw Settlement of Railway Culvert in Permafrost Region;

高原多年冻土涵洞温度场及地基土冻融变形规律研究

The Effect of Global Radiation Budget on Seasonal Frozen Depth in the Tibetan Plateau

青藏高原总辐射变化对高原季节冻土冻结深度的影响

reconstitute frozen orange juice by adding water

将冰冻的桔子汁加水使成原状

Research on High Performance Concrete in Qinghai-Tibet Plateau Permafrost Region(QT-HPC);

青藏高原多年冻土区高性能混凝土的试验研究

Monitoring Soil Water in Frozen Soil on the Central Tibetan Plateau

青藏高原中部冻土环境下土壤水分监测

PERMAFROST ENGINEERING GEOLOGICAL CHARACTERISTIC AND DISCUSSION OF ROUTE SELECTION IN QINGHAI-TIBET PLATEAU

青藏高原冻土工程地质特性与选线原则探讨

Study on the Salty and Frost Swelling of Sulfate (Sulfurous) Salty Soil Fills in Shuimohe Plain, North of Tianshan;

新疆水磨河细土平原区硫酸（亚硫酸）盐渍土填土盐胀和冻胀研究

Monitoring Terrain Soil Freeze/Thaw Condition on Qinghai Plateau in Spring and Autumn Using Microwave Remote Sensing

青海高原春秋季地表土冻融的微波遥感监测

Study on Highway Subgrade Stabilization and Predication Technique in Plateau Permafrost Region;

高原多年冻土区公路路基稳定及预测技术研究

Research on Thermal Stability of Railway Roadbed in the Permafrost Area of the Qinghai-Tibet Plateau;

青藏高原多年冻土区铁路路基热稳定性研究

Experiment Research of Construction Technique and Technology of the Plateau Tunnels in Permafrost Soil;

高原多年冻土隧道施工技术及工艺试验研究

Mud System Research of Gas Hydrate Drilling in Plateau Permafrost;

高原冻土天然气水合物钻探泥浆体系研究