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61. Hongfeng Lake, a key drinking-water source located in Karst areas, was selected to analyze the microorganisms associated with nitrogen cycle.

62. The Karst collapse is the most important engineering geologic problem a new international airport faces, the research of assessment of the Karst collapses predetermination is necessary.

63. Although karst pore system was packed again after forming, it provides conditions for the development of burial corrasion pores.

64. Many bacteria strains separated from the soil samples in southwest China karst area can produce secrete extra-cellular carbonic anhydrase (CA).

65. It is then concluded that Rhus chinensis adapts to the karst drought environment with protection type.

66. Vegetation rehabilitation and ecological construction in the karst mountains is always a difficulty in land management in the tropical and warm sub-tropical zone of China.

67. North of the Cordillera is the karst country where the limestone has been acted upon by water to produce a series of small steep hills and deep holes, both conical in shape.

68. The karstic collapse column is the old bedrock subside which the stiff non-dissolubility rock caved in subjacent karst cave.

69. The engineering in this paper case commences designing to apply apparent resistivity in detection of karst cracks developed.

70. Zoumaling tunnel passes through the Fangdoushan anticline where the karst development is strong.

71. Besides, the thesis has study the content and method of the information design and construction in the complex karst upgrowth of tunnel.

72. Soil erosion and disasters of flood and waterlog, ground degeneration resulting from it have become the limiting factors for harmony developments in karst areas. Sentencedict.com

73. Paleaokarst might be classified, paternally as karst trace, karst cave, karst pore and cave, vertically as surface karst belt, seepage flow karst belt and underflow karst belt.

74. The leaf morphological and physiological evolution of Paphiopedilum was related to water and resource-conserving traits in the karst habitat.

75. Landscape mainly consists of water karst topography and the two broad categories.

76. Tangshan city is the typical karst - cranny developing area in Huabei region which is shallowly covered up.

77. The activity of carbonic anhydrase in the soils of low vegetation coverage is lower than that in the soils of high vegetation coverage in various Karst ecosystems.

78. It is redefined the meaning of "karst water source field" and put forward a new category of "karst water source field" in this paper.

79. Such kind of clay can be used as high mobility material in paper industry. And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.

80. Lonicera confusa is the typical specie developing at karst Calcium (Ca)-rich environment; it has the mechanism of excreting calcium by stoma of leaves to adapt the Ca-rich environment.

81. Debao bauxite deposit in Guangxi province is a karst accumulation type deposit.

82. Unmerited artificial action and frangibility of karst mountain area brought out many environment problems, such as soil leanness, absence of water resources and grave desertification.

83. The probabilistic analysis of karst collapse to Zhemu village in Guilin indicates that the probabilistic was 7.38% in 2000,1.47% in 2001 and 16.4% in 2002.

84. The later period of karst corrosion deposit experienced lateritization, had accomplished the red clay basic characteristic.

85. There is abundant karst fissure water in the limestone and dolomite of Cambrian and Ordovician.

86. To preserve their beauty and scientific value, Mammoth Cave National Park, in the southern United States, and South China Karst World Heritage Site, in southern China, are becoming sister parks.

87. Diatoms biological functions on subaerial Karst sedimentation are studied chiefly in this paper, including assimilation, tapping and felting effects, encrustation, cementation.

88. The risk evaluation of karst immersion-waterlog-ging hazard refers to the comprehensive analysis and study on the whole process of the hazard.

89. Thepropose of the paper is to study karst groundwater dispersive flow field with traces.

90. The epidiagenetic karst porosity, early reburial deep dissolution porosity and middle-late structural cracks constituted the main oil and gas reservoir spaces in hydrocarbon accumulation period.