飽和有機土 的英文怎麼說
中文拼音 [bǎohéyǒujītǔ]
飽和有機土
英文
entrohistosol- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 機 : machineengine
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
- 有機 : organic organic
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The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method
在地表徑流方面,文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型,並用其改進了陸面模式vic variable infiltration capacity中的徑流計算,該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面,文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型,文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer
2 )耕作制下紫色土的產流主要機制是: 1 )當雨前土壤含水量未達到飽和狀態時,表面產流起始時間有明顯滯后現象,這與紫色土的快吸水性和較多非毛管孔隙密切相關;當雨前土壤較乾燥,降雨初期雨強較大時,易形成臨時相對不透水表層,表面產流峰也有明顯滯后現象。 2 )表面徑流的產流方式主要是超滲產流,當土壤達到飽和狀態后,有四川大學博士學位論文小部分回歸流發生,但主要是飽和超滲產流發生,因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 )壤中流主要是飽和產流,與降雨過程有明顯的滯后,而且雨停后的壤中流產流歷時與降雨特徵無關。2. the diagnostic surface horizons divided on the soils of the area are mollic epipedon, umbric epipedon and ochric epipedon. the diagnostic subsurface horizons are cambic horizon, argic horizon, histic evidence and mattic evidence. the diagnostic characteristics are sapric soil materials, folic soil materials, soil moisture regimes, soil temperature regimes, ferric property and base saturation
本地區土壤劃分出的診斷表層有暗沃表層、暗瘠表層和淡薄表層,診斷表下層有雛形層、粘化層,診斷現象有有機現象、草氈現象,診斷特性有6個:高腐有機土壤物質、落葉有機土壤物質、土壤水分狀況、土壤溫度狀況、鐵質特性、鹽基飽和度。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法In this thesis, the blends of different organic amines or ammonium and unsaturated organic amine were used to modified montmorillonite to prepare organic montmorillonite
採用了不同的有機胺和銨鹽與不飽和有機胺的混合物作為插層劑對蒙脫土進行有機化處理,制備有機蒙脫土。Based on the results of these tests, strength model and pore water pressure model have been advanced and validated. in addition, not only have the liquefaction mechanism of the soils been analysed, but also the influence of the factors on the extent of liquefaction of the saturated soils have been discussed
在總結前人工作的基礎上,結合本次試驗成果,分析了飽和土體的液化機理及其影響因素,主要討論了土性條件(包括試樣密度、顆粒特性、固結時間、超固結及其結構性)和初始有效固結壓力的影響。On the basis of the existing researches about the fully coupled thermal field and moisture movement in unsarurated loess soils, this paper gives the finite element module of thermal field after consideration of various natural elements such as wind speed, radiation, evaporation, and meanwhile put forwards the finite element module of moisture movement on saturated - unsaturated loess soils. furthermore, the paper also probes into the thermal and moisture transferring and coupled theory, and gives finite element module of fully coupled thermal field and moisture movement in unsarurated loess soils
在國內外有關非飽和土溫度場、水分遷移場及其耦合問題研究的基礎上,給出了考慮輻射、蒸發、風速等邊界條件的溫度場有限元方程,給出了計算飽和-非飽和土水分遷移場的有限元方程,對非飽和黃土中溫度場和水分遷移場傳輸機理及其耦合問題進行了初步的研究,給出了土體溫度場和水分遷移場之間耦合問題的有限元計算模式,分析了溫度和含水量之間的相互作用和影響。After the organic modification of montmorillonite, the interplanar spacing of montmorillonite increased from 1. 21nm to 1. 78nm. up ( unsaturated polyester ) mmt ( montmorillonite ) nanocomposites were prepared by dispersing organically modified montmorillonite in prepromoted up resin and subsequently cross - linked using methyl ethyl ketone peroxide catalyst at several different clay concentrations
將有機蒙脫土分散到不飽和聚酯中,加入引發劑(過氧化甲乙酮) 、促進劑(環烷酸鈷) ,使不飽和聚酯交聯制得納米復合材料。The ft - ir results show organic montmorillonite has inhibition to the curing reaction of unsaturated polyester
Ft - ir的結果表明有機蒙脫土的加入對不飽和聚酯樹脂的固化反應有一定的阻聚作用。The effects of forest fires on soil moisture content, separate coefficient, porosity, water - retaining capacity, organic matter, available n, available ca, fungi and fine root significantly varied between the years after burning. the effects of forest fires on soil separate coefficients, porosity, saturated water - retaining capacity, available mg, fine root significantly varied between the fire intensity
火燒後年限對土壤含水率、分散系數、孔隙度、持水量、有機質、有效氮、有效鈣、真菌、細根系生物量的影響有顯著差異;火燒強度對上壤分散系數、孔隙度、飽和持水量、有效鎂、細根系生物量的影響有顯著差異。This mode of damage is essentially analyzed with a simple static approach by comparing post - earthquake residual strength of sand with initial stress due to gravity. the other involves limited, but often large, amount of deformation due to significant reduction in soil stiffness but without involving mechanism of failure in soil
一種為飽和砂土的強度的降低而導致的完全流動破壞;另一種為不涉及土體的破壞機理,但由於土體勁度的降低而產生有限的大變形,稱為循環活動性。The data needed by the research are collected from relevant materials and field sampling, including the soil saturation hydraulic conductivity, soil bulk density, various kinds of chemical parameters of soil layer ( such as organic nitrogen, organic phosphorus and soluble phosphorus ), the transformation of organic carbon content of soil layer and the land use in 1993 etc.
筆者兩次參加對研究區的實地考察,並進行相關數據的收集和實測,包括1993年土地利用、土壤飽和導水率、土壤容重和土壤各種化學參數(如有機氮、有機磷和可溶性磷等) ,以及后來所進行的土壤層有機碳含量的轉化等。Based on the theory of modern foundation soil science and unsaturated soil mechanics, the author has tried to combine microstructure properties with macro - mechanical behavior of soil consistently. the strength and deformation properties of high - saturated soil have been investigated, and the constitutive model of the tamped soil has been built. these have not been reported in related literatures available, and thus are the innovation of this paper
以現代土質學、非飽和土力學理論為指導,將土的微觀結構特性與宏觀力學行為有機結合起來,研究強夯后高飽和度地基土的強度和變形特性,建立高飽和度地基土的本構模型,國內外尚未見相關文獻報導,這是本論文的創新之處。These results show that the nanocomposites is toughened and strengthened. the thermal stability of nanocomposites is improved and when organic montmorillonite content is lwt %, heating distortion temperature ( hdt ) of nanocomposites increases by 17. 6 ? from 75. 8 ? to 97. 4 ?
復合材料的熱穩定性有所提高,且在有機蒙脫土加入量為1wt時,熱變形溫度比純不飽和聚酯( 75 . 8 )高17 . 6 。The curing kinetics parameters of up with lwt % organic montmorillonite were determined by the dynamic dsc. its apparent activation energy is higher than pure up ' s, but reaction order is similar. these results show the addition of organic montmorillonite increase difficulty degree of curing reaction
採用非等溫dsc法計算出的含有機蒙脫土1wt的不飽和聚酯樹脂的表觀反應活化能和固化溫度高於不飽和聚酯樹脂,但反應級數基本沒有變化,說明加入有機蒙脫土使樹脂的固化反應難度增大。It is the best opportunity to advance the rural land transfer when people experience the transition from the stage of dress warmly and ear fill to better off. planting some popular produces of high quality with high price can not only increase the comparative benefits of agriculture industry, but also promote the process of the land transfer. good and steady rural land system settings make a great difference in land transfer
第五部分比較分析奉化市、海寧市兩地的農地流轉情況,得出相關結論:區域的傳統特點是決定各個地區不同的流轉模式和速度的因素之一;政府在各個地區的農地流轉中所起的作用會有所不同,但必須以尊重農民意願為前提;人們的收入水平從溫飽向小康過渡的階段是推進農地流轉的最佳時機;發展一些有需求的優質、高價農產品,提高農業比較利益,可推進土地流轉進程;一個良好而穩定的農村土地制度環境對農地流轉至關重要。Two modes have been identified in the earthquake induced damage to soil structures and foundations associated with excess pore water pressure rise in saturated sand
對于在地震中由於飽和砂土的超孔隙水壓力上升而導致的土工構築物和土工基礎的破壞的機理有兩種認識。分享友人