1. Unless the loess bones of me and keep you the centenary worryfree.

2. Loess is a clay that is easily cut and holds its shape; it can be incredibly accommodating as a building material.

3. How is the loess plateau to take form ?

4. Prehistoric Vegetation on the Loess Plateau: Steppe or Forest?

5. NO2 uptake on loess and laterite is first order.

6. By contraries, loess soil possessing of deep soil layer, suits for taproot tree.

7. Problems existing in improvement of loess ground by method of dentification by tamping and expansion are analyzed herein.

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8. Loess has the characteristics of structural properties, such as incomplete consolidation, collapsibility; And the multi-arch tunnel of highway has complex excavation steps and structure stress.

9. Lishi Tunnel is the first loess multi-arch tunnel in China. The designs of the tunnel are briefly introduced, including lining structure, prevention drainage treatments and construction process.

10. The last interglacial paleosol and last glacial loess units overlie the top of this section.

11. According to the structural property of loess and collapsible loess, the thesis has made further analysis of several consolidating methods for embankment by the project.

12. There is typical loess ravine terrain, more than ten large areas of the plateau, and is mixed plateau, ravines, girder, valley, flat plain, chain of mountains, slope in Qingyang research region.

13. Loess Plateau in North Shaanxi Province is an unenclosed ecology-economy system with characteristics of mountain area, and it is very fragile.

14. Stockbreeding is one of the traditional dominant industries on Loess Plateau, and it is also the foundation to develop the country economy in Northwest China.

15. Results showed that the amount of rainfall increased from the west to the east in the Loess Plateau in waterlog year, and from the north to the south in drought year.

16. At last, we provide the table of density of planting different variety of tree, and provide scientific basic for constructing the protective-forest on slope on Loess Plateau.

17. In recent years, the close-packed macadam piles are widely used in dealing with saturated loess base.

18. Secondly, the mainly problems of applying the shield technology to loess tunnels are rational predigestion of shield and reducing the project cost in according to the loess property.

19. It concluded that the Periploca sepium Bunge, as a alternative shrubbery specie which had wide fitting range of SWC, and could be planted in Loess Plateau especially in the south slope and escarpment.

20. The minor crops are tradition grain crops and the important industrial crops in dry farming area of the Loess Plateau, occupy the main body status in the crops production since the ancient times.

21. The adaptability of meadow brome is very strong in the most parts of the Loess Plateau.

22. Dingxi Prefecture is located in the foothill of the Loess Plateau, where the climate is arid or semi-arid.

23. By using soil-drilling method, this research investigated the root distribution characters of Robinia pseudoacacia in Weibei loess plateau.

24. Hippophae rhamnoide is a nicer shrub species for plantation becoming savageness. This population could renew very well in Hilly-gully region of Loess plateau.

25. The theoretical formula for calculating critical angle of cutting loess slope is derived based on Gradient current theory.

26. However, if the inferior conditions such as lack of soil water, severe loess of soil and water, scurviness ecological environment can restrict the sustainable development of seabuckthorn stand?

27. After that it is pointed out that compared with soil density changes, water content change can result in more variations of coefficient of thermal conductivity and specific volume heat of loess.

28. Nature conditions are scurviness in hilly and gully region on northwest loess plateau, which is one of the most serious region in our country.

29. The classification accuracy is unsatisfactory in the complicated terrain area of the Loess Plateau when the single supervised classification is used in the remote sensing investigation of slope field.

30. The result can be used to predict sorption kinetics of phenanthrene and naphthalene to loess soils and, .

31. The rule system and system flow chart is compiled under the conclusions of wheat mulching cultivation knowledge on Loess Plateau.

32. Loess deposit is widespreaded in eastern part of Qinghai Xizang plateau.

33. Till that time, so-called me, so-called Dao, aren’t they just like the defoliation in autumn or the deadwood in winter? and they will be buried by a heap of loess?

34. Multinomial factors should be considered in the stability analysis and hazard prediction of seismic loess slopes.

35. The wind March, broke up the algidity on loess plateau, spread and sink in of dip of North Shaanxi earth is in vernal sunshine.

36. The paper introduced the choice and construction process of loess multi-arch tunnel middle wall, analyzed monitoring and measurement of strengthening the middle wall for reference.

37. Secondly, it brings forward that it is a practical technical and structure mode to use the multiple preventing layer as the water preventing and draining system in highway tunnel of loess.

38. The study was in acoal mining industrial area Honggu coal mining in Lanzhou, Loess Plateau.

39. From the above analysis, it is shown that under the condition of steel arch support, the support effect of systematic rock bolts in loess tunnel is not obvious, which can be ignored.

40. Semi arid climate, poor vegetation cover and highly erodible loess can be regarded as the main natural factors responsible for the formation of hyperconcentrated flows in the Loess Plateau, China.

41. With blooming economy in northern Shaanxi's Loess Hill and Gully Area, social economical active at high speed, the performance was expansion of regional central city and town in urbanization.

42. Hereupon, we hold this exhibition on the topic of "Loess Plateau".

43. The richness in genetic variation in wild Melilotus officinalis makes it being a potentially promising species in soil remediation in mining areas in loess plateau.

44. The loess plateau region is the birthplace of Chinese national culture and was once the early production area of grains and herds and the political center in our history.

45. The Taoist ignited the loess - made yellow paper when offering sacrifice.

46. The checking method of road base capacity in loess area is determined correspondingly.

47. The main contents in this paper are making Q 4 loess improved through Mingling Cement or Lime.

48. On the base of overland flow theory, by one-dimension kinetic wave model, the formula for overland flow is deduced, which includes configuration and land feature in loess donga.

49. To overcome the defect of overelaborate for the fussy, intricate and low accurate method, a new method of stability analysis of loess slopes is put forward with the theory of neural network.

50. The 4 tree species in genus Larix introduced into the Loess Hilly Region in northwest China grew normally though the growth rate was small because of water deficiency.

51. According to soil fertility and soil structure in the loess plateau, the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate.

52. In UCC and CL normalized maps, the variation trend of loess is basically consistent with that of paleosol in Dadunling section.

53. Parameters in Normal Equation are modified by using MATLAB and we can get the calculating model of K factor suitable for the Loess and Sandy slope soil of highway.

54. Then taking loess samples with different densities and moisture contents, the coefficient of thermal conductivity and specific volume heat of loess are tested.

55. Lots of shear relaxation tests on Malan loess are conducted; and a simple and practical method is introduced to measure the coefficient of viscosity of Malan loess.

56. For a dynamic compaction test on a collapsible loess site, the medium sinkage was obtained by statistics of main ramming, interval ramming and full ramming.

57. Based on the theory and practice, 28-word strategy of the land improvement of loess plateau and the concept of conservational eco-agriculture were presented.

58. The stochastic seismic response characteristics of the inequable loess stratum were mode shape decomposed method.

59. After a brief introduction of the principle of the portable dynamic penetrometer with variable energy, its application to loess was presented.

60. Seismic subsidence deformation characteristics of intact loess and dynamically compacted loess were studied through centrifuge scale-down test.

61. Loess the age which forms according to it may divide into, forms under pleistocene epoch Q1 noon city loess and pleistocene epoch Q2 to the stone loess, is called the old loess.

62. The nationalism and regionalism are indispensable properties to architectural creation, rootage in the loess, taking its own road arc the fundamental way out for the creation of western architecture.

63. Based on historical document records in south Loess Plateau, we analyzed the fluctuation characteristics of climatic change in temperature of Tang dynasty.

64. This paper presents a method for assessment of loess collapsibility using the data mining technology.

65. Then the loess' collapse in the collapsed loess region in Gansu is evaluated by regions according to the coefficient measured actually of Loess' collapse in main region and its law of distribution.

66. The results show that the seismic response of the inequable loess stratum has the obvious magnification effect.

67. The people is living in a cave digged out from the hill slope and this is the famous Cave Dwelling Village for Shaanxi and Shanxi - a special kind of housing specially at the Loess Plateau.

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68. Finally, this paper gives some advice the treatment according to the different collapsibility loess foundation.

69. Describes the growth condition of black locust (Robinia pseudoacacia L. ) sprout stand in Weibei Loess Plateau, Shaanxi Province.

70. By means of dig methods from up to down, the root distribution characters of Ostryopsis davidiana were studied in the loess plateau of western Shanxi.

71. Then something strange happened: The loess in the terraces wasn’t on top of crushed rock anymore — it was on top of very finely laminated clay-rich sediments.

72. On the base of overland flow theory, using the one-dimension kinetic wave model, the formula for overland flow is deduced, which considered configuration and land feature in loess donga.

73. Hence, as for as the result of its deformation is concerned, collapse loess upon wetting at a state of certain stress is equivalent to that with applied extra load.

74. This paper sugests a zero energy cave dwelling solar house in accordance with the thermal characteristics of the traditional cave dwelling locating in the loess plateau in the north of Shaanxi.

75. PGPR inoculum and humic acid-contained fertilizer can increase the survival rate of afforestations on loess plateau as well as the output of economic trees.

76. Lishi Tunnel is the first loess multi-arch tunnel in our country, which is a solid engineering of scientific research projects belonging to the Ministry of Communications.

77. As a key factor, water is critical for restoration and rehabilitation of vegetation in the hill area of Loess Plateau.

78. Therefore, to study on the strength and deformation characteristics of submergible loess in the fissure zone assume even greater importance.

79. Special experiments were conducted to analyze gravitational erosion variation in rill evolution process on loess slope.

80. Due to the characteristics such as wet subside loess, dilatability of old loess, the construction techniques of crossing tunnels in the old loessial area are particular.

81. The eastern part of the western Henan province is covered with eolian loess and alluvial or diluvial loess. The Holocene and Late Pleistocene loess have low to moderate collapsibility.

82. Lignified twigs without bud were difficult to take root, but when cut in the muddy loess, the effect of rooting powder (ABT) was prominent.

83. The results indicate that Qinghai-Tibet plateau uplift have arose multi-geological hazards, and the uplift of loess plateau have induced gravitative , trace to the source and water-flow erosion.

84. Over the last decade, the city has embarked on an ambitious tree-planting program that has brought green to the yellow-brown hills of the Loess Plateau, where Wuqi is located.

85. This paper deals with the structure and dynamics of Platycladus orientalis population at the forest area in loess plateau of northern Shaanxi Province.

86. However, the efficiency of the whole Loess Plateau region is low because there are some problems in the conservation and development of the scrubland resources.

87. The ancestors have done a large number of studies about climate changes and soil pedogenesis of the Loess Plateau, and have obtained wealth of research results.

88. The grain structure of different loess types, diffluent salt gypsum, gypsum content and carbonate of lime content, are the influencing factors of CBR value of loess filler.

89. In this paper the casualty loess landfall are classified into two types according to their modes of development: tension-sliding loess landfall and collapsed earth cave dwelling .

90. But there is few research on the collapsibility of loess affect to the ground fissures.

91. The thick loess area in southwest depression of Tarim basin is always one of the most complex regions for seismic survey.

92. And for loess with constant density, if the water content is increased, the coefficient of thermal conductivity and specific volume heat both are increased too.

93. On the cumulative curve of grain size distribution in Ganzi Loess of logarithmically probability graph paper, saltation mass and suspension are obvious, and the later is principal.

94. If transformed the loess from landside to viscosity mud-flow in that region.

95. The universal cover takes to bring with pleistocene epoch Q3 on the above loess and the valley terrace the Malan loess and lower part the brand-new world Q4 secondary loess, calls it the new loess.

96. The research and analysis of the loess cave dwelling disaster not only has the engineering background, but also has important humanity and ecological significance.

97. On the basis of recounting details of Pinus ponderosa in the world and domestic, its prominent characteristics of growth in Yanan arboretum on the loess plateau has been emphasized on the paper.http://

98. The characteristics of loess interface landslide and loess-mudstone layer plane landslide are low sliding velocity, short sliding distance and low stability after sliding.

99. It will be the long-term strategic selection to develop the minor crops production and industrialization in the Loess Plateau dry farming area.

100. Because the structure of Malan Loess is very special, it developed advanced vertically, using soil pillar in lab would break the natural structure of Malan Loess and influence the filter coefficient.

101. The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

102. The compression test and triaxial test of the original loess and remolded loess are carried out.

103. The loess along south Liaoning seashore derived from Bohai seabed during the last glacial period when sea level was low was transported and deposited by northwest wind in a short distance.

104. The loess plateau seismic survey is a difficult problem in the world, because too many disturbance factors of the loess overlay area result in too low signal-to-noise ratio.

105. Expansive soil is a special field in modern engineering geology and soil mechanics, it is a special field kind of clay, different from loess, laterite, soft soil, frozen soil and common clay.

106. This paper aims to establish the age sequence of Malan Loess in the eastern Zhaitang brickyard section.

107. Based on the soil of runoff plot in the loess hilly areas, the soil hydraulic properties have been measured, which are the soil water retention curve, soil water diffusion and soil water conductivity.

108. Objective To study the fauna of Fanniidae (Diptera) in subregion Loess plateau of China.

109. The second law can be applied to the prediction of creep failure, such as rockslides, colluvial-deposit landslides and loess landslides as well as clay landslides with locked patches.

110. The Loess Plateau was a special area in China, it had multiple ecotourism resources and very frangible environment.

111. Compared with Ulmus pumila, Platycladus orientalis showed stronger adjustability in the semi-arid area of Loess Plateau.

112. But in any case, the ultimate end-result is the same, that is a take up in both hands loess.

113. According the results, it is considered that red loess is expected to become a new-type adsorbing material for treating the waste water of containing heavy metal ions.

114. Fortunately, in some special areas of China, there are some thick loess profiles with higher resolution and sedimentary rate, which were formed in the last interglacial.

115. Alfalfa(Medicago sativa L. )is a perennial legume grass which was cultivated widely on semi-humid areas of the loess plateau.

116. A weathering - denuding surface separates the lacustrine strata and layer of the loess in the Tuoketuo mesa.

117. The main disease of roadbed with wetness and softness loess is large settlement after construction.

118. In Malan Loess, the three nitrogen transform by nitrification and denitrification.

119. Longzhong Loess buried bones of the dead, red raw silk mandarin duck account at the end of lying.

120. Based on these data-based the thesis analysis the impact compaction technology in the loess application.

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