texture soil 中文意思是什麼

texture soil 解釋
質地土壤
  • texture : n 1 (織物的)組織,結構,質地,織法。2 織品,織物。3 (皮膚的)肌理;(巖石、木材等的)紋理。4 ...
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. 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。
  3. Crumb structure the texture of a soil in terms of the size of the soil particles and how they interact, often determined simply by rubbing the soil with fingers

    團塊狀構造:根據土壤顆粒的大小及顆粒之間的相互作用而決定的土壤的質地結構。
  4. The rate of contribution of various edaphic physical parameters is different from parameter of soil water infiltration model in different soil texture and husbandry condition, so independent variable factor and priority are different in regression models. the predicted results are satisfactory in correlation husbandry condition

    在不同的土壤質地和不同的耕作條件下,土壤的各種物理參數對土壤的水分入滲模型參數影響程度不同,因此引入到回歸模型中的自變量因子不同,引入的先後次序不同。
  5. The soil was brown soil in type and light loam in texture

    供試土類為褐土,質地為輕壤。
  6. Then, with the help of gis, i selected 8 soil fertility factors mentioned above and soil texture as parameters, used blocks generated by overlaying each factor theme as assessing unit, modified nemoro fomular, and then i assessed the overall soil fertility quality of wujin city, we know : the soil fertility quality of the city is generally medium or worse, in it, the district of riverine polder the district of menghe even fields the district of taige even fields and the district of hilly lands are on " worse " level, and the district of zhengheng polder the district of lakeside polder and the district of taoge even fields are on " medium " or " better " level

    接著在gis支持下,選取以上8項土壤肥力要素並加上土壤質地作為參數,以各要素圖層疊加產生的圖斑作為評價單元,修改內梅羅公式,對武進市土壤肥力質量進行綜合評價,得出:土壤肥力質量中等偏下,其中,沿江圩田區、孟河平田區、太涌平田區和低山丘陵區主要處于「較差」水平,而鄭橫圩田區、沿湖圩田區、洮?平田區主要處于「中等」及「良」水平。
  7. The empirical equation w = asb was used to fit water holding capacity of four kinds of agricultural soils in loess plateau. soil water holding capacity and unavailable water content increased as soil texture became clayed. available water content in loam was higher than those in sandy soil and clayed soil

    黃土高原四種主要農業土壤的水分特徵曲線並無明顯的平臺或拐點產生,其關系能夠很好地用garden經驗方程( w = as ~ ( - b ) )進行擬合。
  8. According to the configuration and ecotope of the earths surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data

    利用外業調查數據,依據地表形態和生態狀況的變化,確定了植被蓋度、裸沙地佔地百分比和土壤質地3項評價指標,並建立了基於遙感的科爾沁沙質荒漠化評價指標體系,其中裸沙地佔地百分比用混合像元分解的方法獲得。
  9. Under the support of federal aghcuiturai research center ( fal ) of germany, a series of experimeflts had been done to compare swr sensor with tdr sensor made by germany and fd sensor made by holland. the results showed that the performance of the swr sensor is as good as other sensors. ln addition, the result further showed that the swr sensor have excellent results in every kinds of soil texture

    在德國聯邦農科院的技術與生物系統研究所( fal )的資助下,做了swr型與tdr型、 fd型土壤水分傳感器的性能對比研究,結果進一步表明swr型土壤水分傳感器的測量結果不僅受土質的影響不明顯,而且說明swr型土壤水分傳感器的性能與國外同類傳感器相當。
  10. Soil particle - size distributions fractal dimension is correlative with other texture parameters. the dimension is clear line - relative with clay content and geometric mean diameter, but the line - relationship between the dimension and index of uniformity is low. the dp is sensitive to the variety of soil texture

    在理論上也進一步指明了粒徑分佈維數的物理意義,即:粒徑分佈分形維數d _ p的范圍為0 3 ,其大小反映了不同質地土壤顆粒的填充能力。
  11. The moving feature of 15n in cotton field with different soil texture

    在不同土質棉田中的移動
  12. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性,建立了半經驗植被雷達後向散射模型; 2 ) .研究發現在農作物等矮小植被覆蓋地表,植被層直接後向散射與植被類型相關,且在植被生長期,雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ) .解決了單參數雷達地表土壤水分反演問題中,雷達入射角和地表粗糙度的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ) .在以上成果基礎上,建立了完整的單參數雷達地表土壤水分變化探測反演演算法,經地表驗證,模型反演地表土壤水分變化值的精度為rmse = 0
  13. ( 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。
  14. According to the crt rule and the concrete situations of zhuolu county, the grading standards included seven main factors ( slope, soil body thickness, condition of irrigation, o. m., soil texture, salt - status, soil body configuration )

    根據crt值法則和涿鹿縣具體情況,採用特爾菲法,確定了分等因素指標集,該因素指標集包括:坡度、有效土層厚度、灌溉保證率、有機質、質地、鹽漬化、剖面構型七個主要因素。
  15. 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。
  16. ( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control

    … )實施農林復合經營和生物籬埂技術可明顯的改善土壤結構,降低土壤容重,增加上壤總孔隙度和毛管孔隙度,從而提高土壤的保水持水性能。
  17. The results show the model has greatest sensitivity to the soil texture variation, but has little response to soil color

    敏感試驗結果表明,模式對土壤顏色的敏感性不強,對土壤質地比較敏感。
  18. Fractal scaling of soil cumulative mass particle - size distribution is more easy to be use to get particle - size distributions fractal dimension ( dp ), this model give the dimension a strictly range : 0 < 3. it response to filled - ability of soil particles. the texture is heavier, the dp is too high. 2

    以土壤累計質量分佈的粒徑分形特徵為基礎,將顆粒數量表示的粒徑分佈分形維數化解為以顆粒質量確定的粒徑分佈分形維數,可以更為方便地確定出粒徑分佈分形維數。
  19. Coarse texture soil

    粗質地土壤
  20. Fine texture soil

    幼質地土壤
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