粘壤土 的英文怎麼說
中文拼音 [niánrǎngtǔ]
粘壤土
英文
clay loam-
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 。Capillarity ( capillary action ) the rise or fall of liquids in narrow tubes as a result of the surface tension of the liquid, which causes the water to adhere to solid surfaces, such as soil particles or the walls of xylem vessels
毛細現象(毛細管作用) :由液體表面張力引起的液體在細管中上升或下降的現象,毛細現象引起水和固體表面的粘合作用,例如土壤顆粒或木質部導管壁。This indicates that the soil under observation was clayey or loamy.
這說明所研究的土壤屬亞粘土或壚坶土。Standard test method for laboratory miniature vane shear test for saturatedfine - grained clayey soil
飽和細粒粘性土壤的實驗室小型十字板剪切試驗的標準試驗方法Composed of particles that do not cohere. used of soil
無內聚性的由不能粘著的質點組成。用於土壤From textural point of view, about 30 % soils are clayey, 35 % loamy and 10 % sandy while the remaining have variable texture
從質地上看,約30 %的土壤是粘土, 35 %是壤土, 10 %是砂土,其餘土壤質地龐雜。The soils ( paleudults ) consist predominantly of light brown fine loamy sand to fine sandy loam changing with depth into a brown sandy clay loam and sandy clay with red mottles
土壤(強發育濕潤老成土)主要為淡棕色細壤質砂土到細砂質壤土,隨著深度增加,土壤變為棕色砂質粘壤土和帶有紅色斑點的砂質粘土。Characterization of structure and performance for bonded soil with soil binders
土壤粘合劑粘結土壤結構性能表徵It was the heavy clay land of blackmoor vale, and a part of the vale to which turnpike - roads had never penetrated
這就是黑荒原谷的粘質土壤地帶,在谷內這一部分,收稅的卡子路一直沒有延伸進來。( 3 ) the definition of soil series applied the method of direct nomenclature ( eg. qingjiang series ), searches of soil series was the order : soil structure - the texture of hydragric epipedon - the proportion of clay and salt ( eg. apl - ap2 - g - clay loam - 0. 54 ), 10 typical soil sections were classified 10 soil series ( eg. qingjiang series beihe series ) and belonged to 5 subgroups and 4 groups of hydragric anthrosols
( 3 )土系採用直接命名法(如:清江系) ,其檢索採取剖面構型+表層優勢質地+粘砂比的性態檢索順序(如: ap1 - ap2 - c +粘壤土+ 0 . 35 ) ,被研究的10個典型土壤剖面被劃分為清江系、北河系等10個土系,分別隸屬於5個水耕人為土亞類、 4個水耕人為土土類。Standard test method for field vane shear test in cohesive soil
粘性土壤的現場十字板剪力的標準試驗方法Standard test method for unconsolidated - undrained triaxial compressiontest on cohesive soils
粘性土壤的鬆散-不排水三軸壓縮試驗的標準試驗方法Standard test method for consolidated undrained triaxial compression test for cohesive soils
對粘性土壤進行壓密不排水三軸壓縮試驗的標準試驗方法Evaporation varies from evaporation capability, embedded depth of groundwater is more easy, the effect is more obvious ; evaporation capacity decreases if embedded depth of groundwater become deeply, and close to zero under the some depth ; evaporation capacity of different soil texture is different. at ordinary situation, if embedded depth of groundwater is easy, evaporation capacity of the wide and grit soil is powerful ; if embedded depth of groundwater is deep, evaporation capacity of the slender and viscosity soil is powerful
潛水蒸發隨大氣蒸發能力的變化而變化,且潛水埋深越淺,受其影響越明顯:潛水蒸發隨潛水埋深增加而減少,在某一埋深以下潛水蒸發接近於零:不同土質其潛水蒸發量不同,一般情況下,在潛水埋深較小時,土質較粗、偏砂性土壤潛水蒸發較大;當潛水埋深較大時,土質較細、偏粘性土壤的潛水蒸發較大。Sandy clay loam
砂質粘壤土Based on the approximate estimation of wetted front edge of one dimension soil column, the design parameters of sdi were determined primarily
粘壤土濕潤鋒運移速度明顯慢于沙土,特別是容重較大時更為明顯。Large amounts of lab experimellts showed that the consistency of swr sensor is very good, and the swr sensor have excellent results in every kinds of soil texture, especially in loam, clay and acid loam. there were not big variations among their measurement results
特別是壤土、粘土、酸性粘壤土等土質對測量結果的影響達到了極不顯著的水平,它們之間測量值的相關系數都達到了0 . 97以上。This research was conducted to : ( 1 ) understand the characteristic and pattern of trickle source infiltration, ( 2 ) study mulched crop evapotraspiration for cotton and corn in a arid climate sandy loam soils. according to the researches of the dissertation, the main results are as follows : ( 1 ) the shape of wetted soil volume is influenced by soil texture, discharge rate and the total volume of applied water in case of trickle source infiltration
本文以粘壤土為研究對象,對微源入滲特性規律進行了系統的室內試驗研究,並且對膜下滴灌大田作物棉花和玉米的需水規律進行了野外試驗,得到了以下幾點結論: ( 1 )地表微源入滲土壤濕潤體的形狀受到土壤質地、供水強度和灌水時間的影響,一般為半個橢球體。The addition of lime to saturated clay soils ( liming ) is a common agricultural practice, improving soil structure by encouraging crumb formation and making heavy soils more workable
加入石灰使其飽和是農業上常用的一種方法,通過促進小塊形成改變土壤結構,使粘重土壤變得可以使用。As for h2 and h3 derived from quaternary deposits, the textures of soils would become heavy because of soil erosion, whereas t2 and t3 of red soil of granite became sandification
土壤侵蝕會引起土壤機械組成的改變。對于第四紀粘土發育的紅壤,土壤質地粘重,而花崗巖紅壤,侵蝕使其趨向砂質化。分享友人