流積土 的英文怎麼說
中文拼音 [liújītǔ]
流積土
英文
rain wash-
The soil is classified to tidal sandy soil, derived from river alluvium with sandy loam texture
土壤分類為河流沖積土發育的潮汐沙土,砂壤土質地。The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits
分等結果表明:臥龍區等的耕地中,有87 . 6分佈在沖積、湖積平原區,主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土;等耕地中,有61 . 4分佈在壟崗區,主要土壤類型是洪坡積物上發育形成的黃褐土:而、等耕地集中分佈在丘陵區,主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土,等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。Because the road line is in mountainous region and heavy hilly area and its surface relief undulates greatly, more slope wash and dilurial layer distribution, there are more harm, for example, island shaped perennially frozen soil, drift ice and so on, which effect the stability of the road foundation
由於沿線地處山嶺重丘地區,地勢起伏較大,坡積物及洪積層分佈較多。故島狀多年凍土、涎流冰等病害較多,影響路基的穩定。The distribution and change pattern of soil co2 concentration in soil profile data are analyzed as well as its effect factors. a model for soil caco3 eluviation - illuviation is developed based on mechanism of soil chemical thermodynamic principle and applying other modeling experience for reference
本文以磚窯溝流域為例研究和分析了土壤剖面co _ 2濃度的分佈變化規律及其影響因子;對土壤碳酸鈣淋溶錠積進行了定性、定量研究。The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north
實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用;磁化率和全鐵很好地指示生物風化成壤作用; sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用;總有機碳( toc )含量的高低,在一定程度上反應了土壤發育過程中氣候和植被狀況的變化,指示著成壤過程中腐殖質化的程度; caco3含量的變化,可以反映了黃土古土壤形成時的風化成壤作用的強弱程度,指示成壤過程中的淋溶作用和次生碳酸鹽化作用;並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異,即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。( 2 ) there is stage of soil formation from the evolution of pedogenic environment in the weihe valley during holocene. soil formation shows the law of evolving from warm and wet strong soil formation period to cold and dry dust deposition period ( weak soil formation period ) and to warm and wet strong soil formation period again. the loess - soil sequence is a compound soil sectional system of different kinds of soil evolution under different bio - environment and pedogenic processes
( 2 )通過對全新世渭河流域成壤環境演變問題的討論,揭示了全新世渭河流域土壤的發育具有階段性,表現為由溫濕的強成壤期向冷乾的沉積期(弱成壤期)演變、再向溫濕的強成壤期演變的規律;黃土一古土壤序列是不同生物氣候環境下、不同成壤過程發育的不同土壤類型演替而形成的復合型土壤剖面體系;而且由於冬夏季風環流及其環境效應在空間上的差異,使得復合型土壤剖面體系也存在著南北差異。The new era began ; the king was tried, doomed, and beheaded ; the republic of liberty, equality, fraternity, or death, declared for victory or death against the world in arms ; the black flag waved night and day from the great towers of notre dame ; three hundred thousand men, summoned to rise against the tyrants of the earth, rose from all the varying soils of france, as if the dragon s teeth had been sown broadcast, and had yielded fruit equally on hill and plain, on rock, in gravel, and alluvial mud, under the bright sky of the south and under the clouds of the north, in fell and forest, in the vineyards and the olive - grounds and among the cropped grass and the stubble of the corn, along the fruitful banks of the broad rivers, and in the sand of the sea - shore
三十萬人的大軍為抗擊全世界的暴君響應號召從法蘭西各地猛然崛起,彷彿田野上遍撒了,結滿了果實:從山上也從平原上從巖石上,也從碎石上和沖積土壤上在南方明朗的天空之下,也在北方積雲的天空之下從丘陵里,也從森林里從葡萄園,也從橄欖地在剪過的草地上,也在氣過的莊稼地上沿著廣闊的河流的結著果實的河岸,也沿著海岸的沙灘,到處都結出了的果實。Some of them undoubtedly made use of the fertile alluvial soil left by rivers after the flood season, but this simple method of agriculture is not thought to be productive enough to support cities
他們中的一些人毫無疑問是利用洪水季節過後由河流留下來的肥沃沖積土壤,但這種簡單的農藝模式並不足以生產出足夠食物來支持城市。The available phosphorus contents of the run - off from the plot iii and plot iv were higher than that of other two plots " run - off. the nutriments of sediments from the four plots were higher than the nutriments of soil in the plots. the plot ii and plot iv had the higher enrichness degree of total nitrogen than the other two plots ; the available nitrogen enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available phosphorus enrichness of sediments from plot iv was the highest, that of from plot illwas the lowest ; the available potassium enrichness of sediments from plot ivwas the highest, that of from plot ii was the lowest
泥沙各種養分含量均高於小區內耕作層土壤中的相應養分含量,表現為:第2 、 4小區的流失土壤全氮養分富集度高於其餘兩個小區;第4小區流失土壤有效氮富集度最高,第2小區次之,而第1小區和第3小區的流失土壤有效氮含量與區內耕層土壤相似;各小區流失土壤中速效磷富集度為第4小區最大,第3小區最小;而第4小區耕層土壤中在流失過程中速效鉀西南農業大學二oo二屆碩士學位論文一積累量最大。The reason for the failure of loosely residual soil slopes triggered by rainfall is that the contractive failure caused by the penetration of rainfall, giving rise to a high excess pore pressure which reduces shear strength of the soil. the soil is prone to flow slide after failure under the action of gravity due to its high moistu re content
蔣家溝地區坡殘積土斜坡在暴雨條件下的破壞是由於降雨入滲導致土體發生剪縮破壞,破壞後土體的孔隙水壓力升高形成超孔隙水壓力、土體強度降低、破壞迅速擴展所致,因而大多數斜坡呈流滑型破壞並具有突然性破壞特點。In 1994, the ternpc got the only creative prize of agriculture science in the first ningxia patent exhibition, and the golden medal of the first agriculture science and technology achievement exhibition of china, held by the cstc chinese science and technique committee and shanxi province. in 1996, it was listed in the major plan of science and technique spreading by nstc
總的來說,西部的生態環境特別是西北地方砍伐,水土流失,土地沙漠化的問題十分嚴重,由於生態環境惡化,造成湖泊乾涸,下遊河道斷流,土壤次生鹽化面積不斷擴大,沙塵暴頻繁增加,天然林場草場在面積退化,如果這些問題不能起到有效控制,環境的惡化很難逆轉,現有的綠州也很難利用。The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment
為此,本文以黃土高原溝壑區典型小流域?王東溝為研究對象,通過大量的野外測定和室內分析,系統研究了流域土壤容重、土壤飽和含水量、田間持水量、萎蔫濕度、土壤入滲性能、土壤含水量和蒸散量的空間變異性,以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據,同時為建立基於數字高程模型( dtm )為基礎的流域水文模型積累基礎資料。This research is does using the glass fiber for the hillside makes up the strong strengthened material, mixes in the bolivian filament in the different hillside slope, the change hillside place intensity, improves regarding is easy to have the earth stone to flow local the hillside to give strengthens, with reduces the earth stone to cave in the after scope area, in has the after destruction regarding guard earth shi liu and the earth stone class to reduce to is smallest, after the process experiment data knew, mixes in bolivia truly to be allowed to strengthen the hillside place to the textile fiber the intensity, but mixes in the glass fiber to the too steep slope not to be big to its overall intensity help, after again comes is mixes in the glass fiber the hillside avalanche, proliferates the area comparatively originally not to mix in the glass fiber the area to be small
摘要本篇研究是利用玻璃纖維做為山坡地補強的強化材,在不同的山坡坡度上混入玻璃纖維,改變山坡地的強度,改善對于易發生土石流地區的山坡地給予加強,和縮小土石坍塌后的?圍面積,在對于防?土石流和土石流發生后的破壞減到最小,經過實驗后的數據得知,混入玻璃纖維確實可以加強山坡地的強度,但對過于陡峭的坡度混入玻璃纖維對其整體強度幫助不大,混入玻璃纖維的山坡崩塌后,所擴散面積較原本沒有混入玻璃纖維的面積小。Alluvial soil a type of soil formed on river floodplains and deltas, where new sediment is deposited on the land during floods
沖積土:在河流漫灘和三角洲地帶由洪水沖刷泥沙沉積而形成的土壤類型。Finishing quantitative remote sensing task on soil losses of 1998 and 1999 in study area. through running the pixel statistical program, we can obtain the results of soil erosion in the drainage basin - the total amount of soil losses of the experimental region were : 4. 84 million tons in 1998 and 8. 69 million tons in 1999 respectively. we also can obtain the results of control areas of soil losses in study area according to soil conservation intensity prediction model : the areas need to administrate was 317. 77 km2 and in dire need of administration was 17. 96 km2 in 1998
運行像元統計程序可獲得該流域土壤流失結果為: 1998年試驗區土壤流失總量為484 . 01萬噸, 1999年則為869 . 01萬噸;依防治強度預報模型可運算出研究區水土流失防治面積結果: 1998年需要治理的面積為317 . 77平方公里,急需治理的面積為17 . 96平方公里;而1999年需要和急需治理的水蝕面積上升為354 . 45平方公里和18 . 91平方公里。In developing women ' s studies as an academic discipline, it is necessary not only to incorporate, as far as possible, the trend of women ' s studies worldwide and actively participate in dialogue and exchange in world women ' s studies, but also to adhere to the developmental road of nativization and give full practical attention to the circumstances in which contemporary chinese women can survive and develop
婦女學的學科建設,既要盡可能融入全球化背景下的婦女學發展潮流,積極參與世界婦女學領域的對話與交流,又要堅持本土化的發展道路,給予當代中國婦女生存與發展的處境充分的現實關照。Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity, rain fall duration, soil properties and how the infiltration influences the stability of a slope. a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory. a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded
本文針對受降雨影響顯著的非飽和殘積土土坡,運用飽和?非飽和土壤水分運動的理論和二維非穩態滲流有限元模型,模擬雨水入滲引起的暫態滲流場,將計算所得到的暫態孔隙水壓力分佈用於考慮了基質吸力影響的土坡穩定安全系數的計算當中,建立了考慮非飽和土土坡從雨水入滲到出現滑坡危險全過程的計算模型。Mapgis being taking as basic plat, based on watershed information accumulation, watershed land resource map analysis was carried out on shape and structure on grounds of elementary theory of land resource. aided by spss software, principal analysis and clusters means was utilized to evaluate watershed ' s land quality hierarchy. experiment of combination of gis and subject model was made, to provide scientific foundation and technological support for watershed synthetic management and planning
以mapgis為基礎平臺,在數字流域信息積累的基礎上,根據土地資源的基本理論對流域土地資源進行形狀、結構的圖形分析,並藉助spss統計軟體,利用主成分分析和聚類分析方法進行流域土地質量等級評價,對數字流域構建中gis與專業模型的結合進行了嘗試,為流域綜合治理及規劃提供科學依據和技術支撐。A systematic study is conducted on engineering behaviors of residual soil, failure mechanism of residual soil slope and mechanism of natural flow slides triggered by rainstorm in jiang jia drainage area. to investigate engineering properties of disturbed soils, a series of tests, including grain - size analyses, permeability tests, direct shear tests and dynamic iriaxial lest is performed on specimens
本文在總結熱帶坡殘積土地區暴雨滑坡轉化成泥石流的研究現狀和進展的基礎上,對雲南東川市蔣家溝地區坡殘積土的工程特性、暴雨條件下斜坡土體的破壞機理、暴雨滑坡轉化成泥石流的形成機理和形成過程進行了較為系統的研究。The dynamic physical parameters were studied for design and construction of bucket foundation, according to the qualities of and the conditions around the bucket foundation penetrated soil, the strain of penetrative marine soft clay were calculated by j2 flow theory and isotropic hardening theory
摘要為研究筒型基礎內海積土的物性參數,結合筒內沉貫土層性質及沉貫環境,應用j2流動理論和各向同性硬化原理計算沉貫過程中土顆粒的應變,考慮到土中出現貫通裂隙,應用離散元方法計算土體骨架應變。分享友人