silt clay 中文意思是什麼
silt clay
解釋
粉砂黏土-
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 。 -
According to rock and mineral analysis, the formation consists dominantly of detrital feldspathic fine - sandstone with medium and silt sandstone secondly. lithologically, the content quartz is lower than those of feldspar and detritus, and the cement is dominated by clay, which gives the feature of low compositional maturity and low textural maturity
館上段儲層巖性以巖屑質長石細砂巖為主，其次為中細砂巖和粉砂巖，巖石中石英含量低，而長石、巖屑含量高，膠結物以泥質為主，表現出低成分成熟度和低結構成熟度的特點。 -
2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure
龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。 -
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。 -
Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated
從土壤物理、化學、生物學三方面出發，建立了川西亞高山針葉林不同演替階段土壤肥力評價指標體系，應用主成分分析，計算出不同演替階段土壤肥力綜合指標值（ ifi ） ，各演替階段大小順序為： 10年生雲杉林地跡地原始林地次生樺木林地30年生雲杉林地20年生雲杉林地50年生雲杉林地60年生雲杉林地40年生雲杉林地。 -
Mz, a, sk, kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine, palaeosols and aeolian sands constitute an interlocking, multi - fluctuation process curve with peak and valle y values : the < & value of mz, o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols, the kg value heightens, too, and the sc / d value also basically consists with its change steps
河湖相和古土壤與風成砂的mz 、 、 sk 、 kg以及sc d （粉砂粘土之和與砂的比值）構成一峰谷交替、犬牙交錯的鋸齒狀多波動過程線：常常是由風成砂至上覆河湖相或和古土壤， mz的值、 、 sk值相應增大， kg相應增高， sc d值亦與之變化步驟基本一致。 -
The time corresponding to the four parts along the section are as follows : the top lake - swamp sediments : holocene ; the uppart fine sand : later late pleistocene ; the middlepart sandy clay : middle - early late pleistocene ; the lowpart clayer silt : later - middle - pleistocene. the fossils and stone artifacts found in salawusu site should be formed during the last but one glacier, its age range is about 0. 13 - 0. 19 ma, and belongs to later middle - pleistocene
分析q曲線與氧同位素曲線的一致性以及以上研究結果，包含薩拉烏蘇地層的這套沉積物的沉積時代為：頂部湖沼相沉積物：全新世；上部具交錯層理的細砂：晚更新世晚期；中部粉砂質粘土：晚更新世中期至早期；下部粘土質粉砂：中更新世晚期。 -
The model shows that : 1 ) structure of the stabilized soil from silt is formed by hydrates, which are generated by hardening agent hydration, wrapping and cementing soil particles and filling pores among the particles ; 2 ) structure of the stabilized soil formed from clayey soil is formed by the hydrates wrapping and cementing clay particle groups, filling pores among the groups, and squeezing and filling pores in the groups
該模型認為：粉土固化土結構是由固化劑水化物充分包裹膠結土顆粒和填充土顆粒間孔隙而構成；黏性土固化土結構是通過固化劑水化物包裹膠結土團粒、填充土團粒間孔隙、擠壓填充土團粒內孔隙而構成。 -
With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased
在土壤物理性質方面，隨著人工雲杉林齡的增加，土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低，砂粒含量增高，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。 -
Channel deposits, consisting of sand, silt and clay, fill the valleys cut by a river system.
河道沉積由砂，粉沙和粘土組成，充填于河流切割的河谷之中。 -
The components to be considered in this book include boulders, gravel, sand, silt and clay.
本書所考慮的組成部分包括漂礫，礫石，砂，粉土和粘土。 -
Grain - size accumulation percentage of the aeolian sands in the past 150 ka in milanggouwan section is mainly characterized by the aeolian palaeo - mobile dune sands, which are composed of majority fine sands and minority very fine sands. there is n ' t almost any silt and clay. those of the fluvial facies, especially the lacustrine facies and palaeosols, are mainly composed of very fine sands and also contain some quantities of silt and clay
米浪溝灣剖面150kabp以來風成砂的粒度累積百分含量以古流動砂丘砂物質為主，其中以細砂含量最高，極細砂為次，幾乎不含粉砂與粘土；河流相、特別是湖沼相與古土壤以極細砂含量占優勢，且具一定含量的粉砂和粘土。 -
The sand is separated from the silt and clay by wave sorting.
砂粒在波浪分選作用下從粉砂及粘土中分出。 -
And it should be ascribed to silt according to the view of its mineral composition, particles distribution, physical and mechanical indices. not only is the content of cla > relatively high, but also the exchange capacity of ion, chiefly high - electronvalent calcareous ion, is great. due to aggregations filled with pore among inter - particles, the soil has the engineering properties of silty clay
從其礦物成分、顆分試驗及物理力學指標來看，它應歸屬于粉土，但由於土中的粘粒含量較高，且粒間充填集聚體，土的離子交換容量較大，交換陽離子以高價鈣離子為主，故其仍表現出粉質粘土的工程特性。 -
Silt is a special type of soil which property differs from sand and clay. but silt did not be given sufficient research previously, accordingly, there has not have systematic theory about it by now
粉土為砂性土和粘性土之間的過渡類型，其性質既不同於砂性土，又有別于粘性土，以往人們對它的研究較少，尚未形成系統的理論。 -
4. in the process of spontaneous vegetation recovery of blown sand soil, coarse sands ( l - 0. 25mm ) content gradually lower, middle sands ( 0. 25 - 0. 05mm ) and fine sands ( 0. 05 - 0. 02mm ), silt, clay content gradually higher in mechanical composition
4 、在自然植被恢復過程中，風沙土機械組成中砂粒含量變化表現為粗砂含量的降低，中砂和細砂含量的升高，砂粒整體含量降低。 -
Pile loading capacity of silt clay
粉質粘土中的樁承載性能分析 -
According to mass of the testing data of clay silt and silty clay in beijing and based on mathematical statistic theory, this paper analyzes statistically the physical mechanics indexes, discusses the distribution features of clay indexes and their differentiation
摘要根據北京地區大量的粉質粘土、粘質粉土土工實驗資料，基於數理統計理論，對其物理力學指標進行了統計分析，探討了各土性指標的規律分佈特徵，分析指標的變異性。 -
However, there are much silt, silt clay, and silt - and - sand bed in the highway grounds of many provinces and cities. if expressways are built on these grounds without improvement or managed improvement, the quality of roads will fall even destroy
我國許多省市的公路地基中大量存在著淤泥、淤泥質粘土、淤泥混砂層，若不經過處理或處理不當，會引起道路質量的降低甚至破壞，因此，必須加強高速公路軟基處理的研究。 -
Application of cement mixed pile and composite soil - nailed wall support to deep foundation pit on silt - clay stratification and relevant emergency treatment in dangerous situation
水泥攪拌樁復合土釘墻支護在淤泥質粘土深基坑的應用及危機狀態下的應急處理
分享友人