单词 | Alluvial |
例句 | 1. Some alluvial deposits are a rich source of diamonds. 2. The farmers found the alluvial deposits at the mouth of the river very fertile. 3. Neither is to be found in alluvial sands or gravels and both have to be mined from the parent rock. 4. There was deposition in large alluvial fans stretching out from the mountains in the south and the north-east into the flat plain. 5. Altdorf is sited on alluvial soil where the Schachen side valley enters the Reuss valley from the east. 5. 6. The alluvial soil on which the city stood was frozen all year round but thawed a few feet down during the summer. 7. Geologically, this area is an alluvial fan of a giant rock slide of granitic gneisses. 8. The alluvial tin, from the Malayan river gravels, is almost exhausted. 9. Peaty alluvial soils characteristically have an O horizon which usually occurs at the surface but can be interbedded with freshwater alluvial sediments. 10. Saline alluvial soils have high levels of exchangeable sodium and the effects of gleying are clearly evident. 11. Carrying alluvial sands from the Rocky Mountains, they helped make the plains. 12. Mineral alluvial soils have an A horizon and the effects of gleying can be present. 13. Thus, alluvial channel flows are simultaneously sculptor and sculpture. 14. Precious metals have the alluvial gold. 15. Alluvial soils usually grow the best crops. 16. Must we really clamber up every alluvial fan, map every desert canyon, and slap a name on every dry lake and rocky outcropping? 17. By analyzing these data and the characteristic of alluvial flat soft clay, the methods that control embankment construction and precompression are brought forward. 18. Alluvial gold in eastern county of natural forest, with a total area of 36 mu, there are 20 scenic spots in various sizes, numerous rock formations, streams multi-color, forget it. 19. Small alluvial fans at mouths of wet weather drainage ways also are commonly intermixed indistinguishably. 20. The probability curves of alluvial fan conglomerate reservoir have the characteristics of coarse - grained, wide - range and low - slope. 21. The facies includes alluvial fan, fan - delta, offshore lake, shallow lake and deep lake facies. 22. The walls were mostly slate, apparently quite normal, grained rock produced by a perfectly standard physical process of alluvial deposition. 23. Much of this development has involved sugar-cane cultivation on sloping terrain in contrast to its confinement to flat alluvial areas prior to 1960. 24. He loved the smell of the woods, and the damp alluvial soil that covered these mountains like a blanket. 25. The natural zeolite had significant potential in phosphate preserving and supplying in alluvial soil. 26. Due to power failure suddenly, the lifting system of sand pump in alluvial gold mine is frequently blocked up. 27. The upper member of Guantao Formation consists mainly channel bar, point bar, arrested deposits on valley floor, natural levee, crevasse splay, alluvial lake and alluvial flat microfacies. 28. This paper has made a detailed description of the possible ways to raise the recovery of fine alluvial gold from clay-bearing alluvial ore. 29. China was born on the banks of the Yellow River, where the silt-laden water, rich alluvial soil, and the harvested wheat all share the same yellow hue. 30. The Jurassi reservoir in Wu-Xia area is dominated by lithic sandstone and feldspathic litharenite under alluvial fan, fan delta and braided river sedimentary environments. 31. Jizhou ancient Yellow River, water, etc. Hutuo from low - lying alluvial plain. 32. There are six depositional systems classfied for the depression: alluvial fan, underwater fan, fan delta, fluvial, shore-shallow lake sand bar and deep-lake depositional system. 33. The soil erosion in the alluvial gold deposit is serious because of the vegetation destroyed. 34. Upward - fining channels may occur in a wide range of environments, from submarine canyon to alluvial fan. 35. The western margin of the basin was close to the source regions and very steep,(/alluvial.html) so that pebbly subaquatic alluvial fans were formed that were deposited from a gravity flow. 36. Independent gold ore deposit mainly consists of alluvial and diluvial , slope wash sandstone and bibbley rock. 37. The Luannigou ore field riches with alluvial gold of Quaternary Period and is the favorable target for rock gold. 38. Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon. 39. According to the settlement feature and calculation, the precompression term is not needed in the alluvial flat soft clay foundation. 40. The main sedimentary system includes fluvial, delta, alluvial fan and lake facies. 41. The alluvial deposit and coastal deposit follow normal distribution, they are straight lines in normal cumulative diagram. 42. The eastern part is multi-stages fan delta deposit system witch is controlled by the monocline and step-fault zone and another parts in the area grow alluvial fan system. 43. Reportedly, the site is mainly underlain by alluvial deposits of Quaternary Age comprising sand and clay. 44. The quality of wastewater from alluvial gold mine and its treatment techniques were discussed. 45. First, through a pine forest, spurning the mule trail and the shortcuts, and sampling the blueberries; then through an alluvial cone, wasting precious energy. 46. Placer tin deposit in Xupu occurs in alluvial sediment of Quatemary SyStem and CaSSiterite chiefly concentrates at the bottom of Gravel layers. 47. Aiming at the characteristic of alluvial flat soft clay, the methods that control construction and the time of precompression term are put forward. 48. The three major soil types in this region are the paddy soil, the alluvial soil, and the salt swamp soil. 49. Shenzhen City is tidal belt of land for flood alluvial loess. 50. Rich and moist soils such as well–drained alluvial soils, do not support sandalwood well; the heartwood in such trees will be deficient in oil. 51. Adopt flocking alluvial gold craft, a grain by a grain of sands, with her own language told the millennium with enterprise culture, the golden art, with his special charm, against the green vigor. 52. The River alluvial northern newborn silt - in the River delta. 53. Such study of the optimal industrial grade of the ancient conglomerate alluvial gold deposit is seldom seen abroad and the first time to be made domestically. 54. Placer mining: Oldest method of recovering gold from alluvial deposits. 55. City is located in the deep basin Heilonggang Hutuo OXBOW for the alluvial plain. 56. By the study of the feature of alluvial gold conjuncture, its haul distance was determined, the types of its Primary deposits assessed and the target area for ProsPecting Primary deposit defined. 57. Mineral products has oil, natural gas, bittern, alluvial gold to wait. 58. Yueliangba gold deposit is a small scale alluvial gold deposit. 59. Here is also found a large alluvial plain, the Po-Venetian plain, drained by the Po River and its many tributaries flowing down from the Alps, Apennines and Dolomites. 60. Based on the causer analysis, the Paleogene alluvial fan is proposed as piedmont alluvial fan sourced by the carbonate hinterland under a dry climate. 61. The Green River Formation of Colorado, Wyoming, and Utah contains alluvial fan deposits and playa evaporites created in a huge lake whose level fluctuated for millions of years. 62. The main bodies of these alluvial fans were formed during Late Pleistocene. 63. Forestry Minxian Ma alluvial gold along the tree farm in the village. 64. The studied platinum - gold placer occurs in Quaternary alluvial - diluvial a piedmont valley of ultrabasic rocks, Northwest China. 65. Alluvial soil A type of soil formed on river floodplains and deltas, where new sediment is deposited on the land during floods. 66. Like much of east India, Shahabpur has rich alluvial soil, a gift of the Ganges, which flows three miles to the south. 67. The main type of soils on the Yellow River Flood Plain in North China is called Chaotu(alluvial soil) by Chinese. 68. Applying 5 kg N and skg P2O5 Per mu as seed manure and 5kg N at the stage of three leaves is the technology of economic high - yield fertilization to realize the yield 300 kg per mu on alluvial soil. 69. Terraces by the fourth grade alluvial, alluvial material , thick loess soil better. 70. This is an alluvial flat where no villager dares to plant crops. 71. The Nitrate concentrations in groundwater in the alluvial - diluvial fan of Zhangjiakou area has increased year by year. 72. Kinds of alluvial and pluvial placers were formed in Quaternary as No. 13 series. 73. So the Yellow River alluvial soil expresses some engineering characteristics, such as, difficultly to be compacted and stabilized with inorganic binder, and large foundation depression. 74. At first light, I started my trek up an alluvial fan into an unnamed canyon in the Cottonwood Mountains. 75. The scattering and diffraction of plane P waves by circular-are alluvial valleys with water is studied in this paper. The Fourier- Bessel series expansion technique is used to solve this problem. 76. The impact of different pioneer crops on soil physical and chemical properties was studied on abandoned farmland of alluvial fan-fringe area in the Manas River valley. 77. Time scale distortion in physical model of river process in alluvial streams always affects the experiment results and deviation to original prototype. 78. Soil: Altitude 260 meters, southeast orientation . Limestone grounds , argilo - limestones alluvial and cryoclastic. 79. In vertical, the evolution of sedimentary facies of Yi-ma Group is alluvial fan system. lake delta system, lake system from the bottom of the Group to the top. 80. Because the region around New Orleans is composed of alluvial soil, there is no paving material close at hand. 81. Cultivated soil - forming parent material is mainly slope sediments , fluvial and alluvial materials. 82. Although the region had experienced moderate seismic activity in the past, the city of Tangshan has been built on unstable, alluvial soil. 83. Many minerals are found in alluvial deposits of sand, clay, or gravel. 84. He, together with a team of 750 people, have uncovered ancient city and harbor walls and recovered thousands of artifacts from the deep alluvial soil. 85. Due to the higher buffer capacity of yellow soil, the risk of P release from it when flooded is less than that of purple soil or alluvial soil. 86. It is suggested that the sandy lenticular bodies of alluvial flat and neritic facies are favourable reservoir zones for ultra shallow biogas exploration. 87. The land is rich alluvial soil, much of which is so sandy that borders looks more like dark-coloured, plumped-up sand dunes than earth. 88. 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. 89. Over 3 billion years ago, when the climate on Mars was much wetter, a channel breached the crater's rim and carved deep gullies into its sides, leaving behind large fan-shaped alluvial deposits. 90. Results show that response at surface points of the alluvial soil deposit are amplified significantly for given conditions of shape, dimension and material properties of the soil and the canyon. 91. On the basis of theoretical study, the authors of this paper applied it to the prospecting of rock gold and alluvial gold , achieving much better result. 92. They are respectively turbidity fan, brackish lake, shore and shallow lake-beach, delta, alluvial fan and river-alluviation depositional systems. 93. A vast alluvial fan blossoms across the desolate landscape between the Kunlun and Altun mountain ranges that form the southern border of the Taklimakan Desert in China's XinJiang Province. 94. The parent material for the two locations is river alluvial soil. 95. Except the site at the station of Luntai belongs to alluvial and diluvial fan, all the sites are saline soil with strong erosion. 96. The water depth reduced due to deposition, the water flow velocity upon the alluvial sector increased obviously and at the front of the delta exists currents around the sand bar. 97. Mui Ca Mau , Viet Nam, on the southern tip of the country, demonstrates ecological succession systems on new alluvial lands. 97. try its best to gather and create good sentences. 98. These channels are most common near the apex of the alluvial fan body. 99. Mechanized placer mining, with special devices for washing and separating waste from valuable minerals, is used in productive alluvial deposits. 100. The results show that the freshwater reserved in paleo-riverway on alluvial plain and salt water reserved in alluvium and diluvium on the foot plain of Kunlun Mountains. 101. The paper predicts the changing tendency of groundwater resource in Changma alluvial fan by numerical modeling, applying the method of finite difference and irregular polygon cells. 102. Moreover, THg concentrations decreased from alluvial soil, shrub soil to forest soil in a sample site, and they decreased with increasing depth in soil profiles. 103. This paper made a description of the genesis, property and distribution of cemented layer in alluvial gold mines at the south part of China. 104. Gravel cemented geological body, called solid formation, has been found in the fluvial sediment of Quaternary system in the exploration and mining of alluvial gold deposit in recent years. 105. The geochemical exploration anomaly is similar to the distribution of alluvial gold, and has not relation to the looking for the rock-gold. 106. Downstream water flow slow, siltation of the alluvial soil more and more, forming a great many of the Delta islands. 107. Chosan to Linjiang in the middle, a large number of riverbed silt alluvial soil, winter shallow In some areas, and even down under the raft can not be passed. 108. Myricaria laxiflora, on the other hand, prefers the alluvial soil with sand and gravel in subtropics climate. The soil is of weak alkalinity, has low content of nutrient but moderate salt. 109. Bangkok is surrounded by a vast, damp, alluvial plain, crisscrossed by a network of klong. 110. This paper has analysed the Hunan alluvial gold deposit and its present mining status. 111. The water cuts the alluvial banks of the " lower " river into deep horseshoe curves. 112. Tianjin is actually a port area located on the alluvial soil shaped by the Hai River. |
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