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31. Through analyzing reciprocity relation of Karst collapse column and it's circumference terrane, Using elastic and plastic theory can solve out the ground stress in and around Karst collapse column.

32. Abastract: Highway engineering in karst areas has many challengeable problems such as engineering techniques, environment protection, sustainable development etc.

33. Unlike UNESCO designations, the sister-park arrangement between Mammoth Cave National Park and South China Karst World Heritage Site will be informal.

34. Fractures develop better in seasonal variation belts and horizontal undercurrent belts and worse in surface karst belts and vertical vadose belts.

35. While the karst cavernous reservoirs in Tahe are characterized by superimposition of multiple series of strata and continuous distribution in a large area.

36. There are many factors that affect the low flow in a karst basin, such as climate, catchment area, lithology, soil, landform and so on, most of which are uncertain.

37. Due to over pumping groundwater, hazard of mantled karst collapse may often take place there.

38. In this paper, the dynamics of pubescent hornbeam populations in karst mountain of Guiyang are analysed by using the method of substitution of space for time.

39. The safety factor of karst cave roof is defined as the ratio of actual shear strength parameter to critical failure shear strength parameter in this paper.

40. And the strong karstification in the same direction as layer and cataclasis create by tectonic stress are the control factors of Ordovician carbonate karst reservoir development.

41. It also implies that the karst process-related carbon sink intensity in glaciated karst water systems will decrease if some glaciers disappear due to global warming.

42. The newly discovered karst problem of marlite in Three Gorges region is an important problem in engineering geology.

43. The characteristic of soil erosion in the eastern part of Guizhou were expounded. The primary questions are the petridesert in karst area and the soil erosion in tung tree forest region.

44. Karst cave minerals are products of hypergene chemical deposition under the action of groundwater.

45. Based on the line investigation and the quadrat investigation,[www.Sentencedict.com] species multiplicity in Guizhou Litchi karst secondary forest were studied.

46. To overcome the disadvantage of converting permeability coefficients method, the formulas to calculate tensor of karst conduit in global coordinate system are deduced.

47. The Fault - fracture network is the main space of accumulating karst - fissure water limestone of Weibei coalfield.

48. In this way the model of generalized mediator can effective indicate the discontinuity and special aeolotropism of karst water-containing mediator.

49. In Early Carboniferous karst peneplain of Central Guizhou there were a lot of karst negative forms, for example karst basin, karst depression.

50. Karst is a process and result of groundwater geologic function and it is one of bad geological phenomenon facing tunnel construction.

51. Leaf structure of Rhus chinensis in karst area is studied by paraffin sectioning and electron microscope and some xerophilous structures are found in leaf under water stress.

52. The diversion tunnel section excavated by tunneller is buried deeply, the under ground water level is high, the activities of underground water is lively, and Karst topography is quite developed.

53. The palaeokarst abrupt slope, the palaeokarst monadnock and its surrounding were the best preserved region of karst and corrosion holes.

54. Human activities are an major factor of the formation of stony desert in the karst pimple plain, and peak forest basin on the water parting, where headward erosion can't occur.

55. The Doulishan coal-mining district is an irregular triangle compound synclinal basin with a complex hydrogeologic setting. There are five karst collapse belts in the coal-mining district.

56. However, similar characteristics of deep karst below the present drainage datum plane are less studied up to now.

57. And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.

58. The stability problem of wall rock was prominent, and the factors that affect the wall rock stability including karst, disadvantage structure surface, and the block body combined by the two factors.

59. A case history of the application of the P-wave reflection method in that area to investigate the bedding plane of bedrock, karst cave , fault and the distribution of the dissolution belt is given.

60. The shaft sinking with the aid of grouting in Jingzhou Asbestos Mine indicates that sinking is possible in aquiferous karst area.