texture of soil 中文意思是什麼

texture of soil 解釋
土壤質地
  • 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 ...
  • of : OF ＝Old French 古法語。
  • 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. 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。
  3. 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。
  4. 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。
  5. 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。
  6. 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
  7. ( 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。
  8. 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。
  9. 3 ) indexs of soil series taxonomy and retrieval orders : a ) soil structure : the classification was based on the soil profile and " b " horizon differentiation. b ) texture style. c ) organic substance : according to four levels 20. 1 - 30. 0, 10. 1 - 20. 0, 6. 1 - 10. 0, < 6. 0 ( g / kg ) 4 ) according to the standard of chinese soil taxonomy and this study, 17 soil swatches were divided into 14 soil series. among which, 9 belonged to cambic order, the order 7 belonged to entic order

    土壤有機質狀況：按照土壤有機質分級指標，結合供試土壤有機質狀況，按20 . 1 ? 30 . 0 、 10 . 1 ? 20 . 0 、 6 . 1 ? 10 . 0 、 6 . 0 （ g kg ）四個級別劃分土系（ 4 ）按照系統分類統一標準及本研究建立的土系劃分指標和檢索順序，對照供試土壤的理化性質進行檢索， 17個供試土壤共劃分為14個土系，其中9個屬于雛形土綱， 5個屬于新成土綱。
  10. The effect of soil texture and soil structure on water retention and hydraulic conductivity has been analyzed and discussed with fractal theory. the results as follow : 1

    運用分形理論探討了土壤質地及結構狀況對水分保持及運動的影響，得出以下結論： 1
  11. 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。
  12. The main results were as follows : ( 1 ) due to their different working principles, the measured result of clay content by laser particle - size analysis was lower than that by using pipette and sieve analysis. the classification results of soil texture by using these two methods agreed well with each other

    主要結論如下： （ 1 ）由於激光法和吸管法原理的不同，激光法測得的粘粒含量較吸管法低，但是在土壤質地分類上，激光法和吸管法的結果基本一致。
  13. In this paper, based on the soil water infiltration multifactorial influence tests with three species of soil texture and different husbandry condition and monofactorial influence tests with four species of soil texture in indoor, the basic infiltration characteristics, reduction infiltration mechanism and various factors are studied systematically. major factors influencing soil infiltration characteristics, resilience between influence factors and soil water infiltration parameter and influence priority are analyzed by mathematics statistics method, stepwise regression models with multiple units of soil water infiltration parameters are build up and verified

    本文基於大田三種質地、不同耕作條件下土壤水分入滲的多因素影響試驗和室內四種質地土壤條件下的單因素影響試驗，系統地研究了土壤水分入滲特性的變化過程，阻滲機理和影響土壤水分入滲特性的各種因素，藉助數理統計方法分析影響土壤水分入滲特性的主要因素，各影響因素與土壤水分入滲參數間的相關性及其影響的先後次序。建立、驗證了土壤水分入滲參數的多元逐步回歸模型。
  14. Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous

    本文以土壤系統分類理論為指導，以四川盆地侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象，利用spss統計軟體相關功能，結合供試土壤的自然景觀、剖面形態和室內測定的理化性質，對土系分化的影響因子、土系劃分指標和檢索順序進行了系統的探討，結論如下： （ 1 ） 、供試紫色土中有機質、全氮、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關；有機質、碳酸鈣、有效磷、顆粒組成等性質在供試土壤方差分析中變異系數均較大；土體構型及土體的深度對土壤性質也有深刻影響。
  15. Special attention should be put on the texture of the soil ground, availability of water, and the degree of shading where the string was set

    這與繩子擺放處的土壤結構或地質水份的多少和樹蔭覆蓋的范圍有關。
  16. In this paper, based on the tracing field infiltration tests into frozen and unfrozen soils with three species of soil texture and eight species of soil structure in seasonal frozen soil regions during three overwinters, the basic infiltration characteristics, reduction infiltration mechanism and major factors influencing soil infiltration characteristics are studied all - sidedly and systematically. to master frozen soil infiltration characteristics and supply scientific directions for winter irrigation

    本文基於季節性凍土區田間三種質地、八種結構歷時三個越冬期的凍土、非凍土入滲跟蹤試驗，全面、系統地研究了凍融土壤的入滲特性、阻滲機理和影響凍融土壤入滲特性的主要因素，掌握凍融條件下土壤水分入滲特性，為冬灌及農業節水灌溉提供科學依據。
  17. The mechanical stability, varies with soil texture and with various phases of soil structure.

    機械穩定性隨土壤的層理和土壤結構中各相情況而變化。
  18. Methods of soil investigations for agricultural water engineering - field tests - part 2 : determination of soil texture

    農業水利工程中土壤調查方法.野外試驗.第2部分:土質
  19. ( 2 ) the emitter discharge of simple subsurface drip irrigation is greater than the infiltration rate after formed saturate loop in the short time. infiltration rate under subsurface drip irrigation is not only affected by soil texture, original soil moisture content and soil bulk density et al, but also by emitter discharge, which affect by water pressure

    （ 2 ）地下滴灌的灌水器出流量一般在較短時間內形成飽和圈后，土壤入滲速率不僅受到土壤質地、土壤初始含水率、土壤容重等因素的制約，而且還與影響灌水器出流速率的壓力水頭有關。
  20. Based on typical sample, soil survey, environment survey and soil physical - chemical analysis, under the direction of chinese soil taxonomy, according to the principle of stability, discrepancy, dominant and integration of soil series taxonomy, applying to methods of statistic analysis and system integration, the selection of indexes of soil series taxonomy of hydragric anthrosols in chengdu plain soil series taxonomy soil series naming and index were systemically sturied. the results showed : ( l ) the main affectoi of hydragric anthrosols soil series in chengdu plain were : soil structure in 100cm soil depth ; fe2o3 ( dcb ) ; the texture of hydragric epipedon ( cultivation horizon ) ; the proportion of clay and salt in hydragric epipedon ( cultivation horizon )

    本文以成都平原主要水耕人為土為例，在中國土壤系統分類思想的指導下，通過典型采樣、土壤詳查、環境調查和室內理化分析，遵循土系分化影響因子的穩定性、差異性、主導性及綜合性等原則，利用統計分析和系統綜合分析等方法，對水耕人為土的土系劃分指標選取、土系劃分、土系命名及檢索等作了較為系統的研究。
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