粘性土壤 的英文怎麼說
中文拼音 [niánxìngtǔrǎng]
粘性土壤
英文
cohesive soil-
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 。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Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage
一些土壤例如砂土具有鬆散的結構，因而有良好的排水性，而在粘土中，由於土壤顆粒小而互相粘合導致粘土結構緊密排水性較差。It occurs as an exchangeable base in the clay mineral and organic fractions of soils.
鈣是以交換性鹽基在粘土礦物及土壤的有機部分出現的。This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves
土壤有機碳的穩定機制主要包括： （ 1 ）有機碳的難降解性； （ 2 ）金屬氧化物和粘土礦物與有機碳的相互作用； （ 3 ）土壤團聚體的物理保護導致的生物與有機碳空間隔離； （ 4 ）土壤生物學機制，主要指土壤生物自身對有機碳穩定性的直接貢獻。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。Soils : investigation and testing - line and or hydraulic binder treated materials - test for assessing the ability of a dry mineral treatment product to emit dust
土壤:調查和檢驗.線性和或液壓粘結處理材料.干礦物處理產品排放粉塵的能力評定試驗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。( 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。Unbound and hydraulically bound mixtures - accelerated swelling test for soil treated by lime and or hydraulic binder
鬆散的和液力粘合的混合料.石灰和或水硬性粘合料處理的土壤用加速膨脹試驗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。The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms
其中主要影響因素包括：菌種的影響，菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率；石油物質本身物理化學特性的影響，如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性；生存環境條件的影響，在接種入高效率的降解菌或利用土著微生物進行降解時，降解率受到生存環境中各種條件的影響，如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。Because these factors make change more often, soil time space variability is more bigger. the relationship of single factor between soil water infiltration capacities and certain influencing factor could be established quantitatively by means of soil water infiltration tests in indoor, there is negative correlation relation between soil water infiltration capacities and soil structure. there is negative correlation relation in high grit content and low physical clay content soil, and second - degree polynomial relation in high physical clay content junk structural soil between soil water infiltration capacities and soil moisture
由於這些因素在時刻發生變化，使得土壤的時空變異性較大，只能用室內土壤水分入滲試驗來定量確定土壤水分入滲能力與某些影響因素之間的單因子相關關系，土壤水分入滲能力與土壤結構之間呈負相關關系，土壤水分入滲能力與土壤含水量之間在土壤砂粒含量高，物理性粘粒含量低的無結構土壤中呈負相關關系，在物理性粘粒含量高的團粒結構土壤中呈二次多項式關系。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 soil samples collected from yunnan, hebei, qinghai and other regions of china, and also from vietnam, were used as the materials in this experiment. and dung pellets of rabbits or goats that had been autoclaved can be used to induce many kinds of fruiting bodies of the myxobacteria in different colors, sizes, and shapes. we isolated and purified strains under traditional procedure
本實驗以越南及我國雲南、河北、青海等地的土壤作為研究材料，利用兔、羊糞球等誘導出多種粘細菌的子實體，除利用經典的粘細菌分離純化方法外，還根據粘細菌的生物學特性進行了分離純化方法上的創新和改良。分享友人