soil region 中文意思是什麼

soil region 解釋
土壤地區
  • 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...
  • region : n. 1. 地方，地域，地帶；地區；行政區，管轄區，區；左近，鄰近；（大氣、海水等的）層，界，境。2. 【解剖學；動物學】（身體的）局部，部位。3. （學問等的）范圍，領域。4. 〈罕用語〉天空。
  1. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  2. Construction technology of filled soil highway embankment in expansive soil region on soft soil ground

    公路軟基膨脹土地段填土路堤施工技術
  3. Changes of soil fertility quality properties under artificial chinese fir forest in red soil region

    紅壤地區杉木人工林土壤肥力質量性狀的演變
  4. Five vegetation communities : herbosa, shrubs, coniferous forest, theropencedrymion, and evergreen broad - leaved forest in the red soil region of the lijiang valley are selected as the five successive stages of the typical restoration process of degraded ecosystems to study variation of structure and biomass of the vegetation of the five different stages

    摘要利用時空替代原理，選取灕江流域紅壤區退化生態系統恢復過程中具有代表性的草叢、灌叢、針葉林、針闊混交林、常綠闊葉林5個階段作為演替序列，研究自然恢復過程中各演替階段的植被結構動態和生物量變化。
  5. Drought - resistant germplasms were mainly origin in low temperature, frequently drought, poor soil region, such as wangmo, luodian, rongjiang, ziyun and so on

    抗旱種質多來源於貴州省低熱的望謨、羅甸、榕江、紫雲等乾旱頻繁發生、土壤貧瘠的地區。
  6. Aimed at the characteristics of climatic multiplicity on dry land in the red - yellow soil region of south china, and by the means of fuzzy - clustering analysis, this paper classifies the region by county according to the distribution of the water - heat resource

    摘要針對南方紅黃壤地區旱地氣候類型多樣的特點，運用模糊聚類分析方法，以縣（市）為單位，對水熱資源分佈狀況進行分區。
  7. The comprehensive evaluation result has provided the reliable choice and the development basis for ecological agriculture pattern in the red soil region

    本研究的綜合分析結果可為紅壤區生態農業模式選擇與發展提供依據。
  8. Twenty - four indexes of agriculture ecological pattern were analyzed with the principal components analytic method to red soil region of southeast of china

    摘要應用主成分分析法選用24個指標對我國東南部紅壤區生態農業模式進行了綜合分析。
  9. The red soil region of subtropics is one of the most de nsely populated areas in china in which natural ecosystem has been heavily destr ucted and degraded due to ecological weakness and climatic characteristics

    由於紅壤的生態脆弱性及亞熱帶的氣候特徵，亞熱帶紅壤區成為自然生態系統破壞與退化的嚴重區域，亞熱帶紅壤區的生態退化及生態恢復與重建成為土壤學、水土保持、生態學研究的熱點問題之一。
  10. Absolute amounts of soil erosion is not large for the falling gradient in black soil region, but the nutrient is high in erosion soil, the nutrient of erosion soil and runoff is high, which leads to soil fertility degeneration, while n and p nutrient pour into water with surface runoff, it leads to water nutrient enrichment and pollution, and becomes one of confined factors of water nutrient enrichment

    吉林農業大學碩士學位論文黑土地表徑流氮磷養分特徵及其與肥力退化的關系由於黑土耕作區坡度平緩，土壤侵蝕的絕對量並不很大，但由於土壤中攜帶的養分高，養分流失的較多，流失的養分將引起肥力的退化，而且氮磷等養分隨地表徑流流出匯入各種水體，引起水體富營養化和污染，成為水體富營養化的限制因子。
  11. Phreatic evaporation characteristics and calculation methods with the shallow water table in the saline soil region

    高地下水位條件下鹽漬土區潛水蒸發特性及計算方法
  12. Experiment research on subgrade frost heaving of expressway in seasonally frozen soil region

    季節凍土區高速公路路基凍脹試驗觀測研究
  13. Secondly, in combination with basic physical experimentation of the henan item “ study on embankment settlement mechanism and development rule for highway in the silt soil region ”, the mechanics speciality of silty soil is completely cognized and realized, through the laboratory experimentation of three kind of classical silty soil in puyang city. the experimentation include laboratory physical mechanism test, static compaction test, direct shear test, permeability test. and also analysis the influence of water content on soil ’ s shear strength, permeability and other mechanism character

    其次，結合河南項目「粉砂土地區高速公路路基沉降機理及其發展規律研究」課題的基本物理試驗部分，通過對濮陽市三種典型的粉質土的室內物性力學性質試驗、標準擊實試驗、直接剪切試驗、滲透試驗等一系列試驗研究，對粉質土的各力學特性進行全面系統的認識和了解，分析了含水量對粉質土的抗剪強度、滲透性等力學性質的影響。
  14. Effects of spatial scaling on the runoff - sediment - yielding of the purple soil region in sichuan

    四川紫色土地區流域侵蝕產沙空間的尺度效應初探
  15. Probe into treatment measures for main channel slope in expansive soil region

    總乾渠膨脹土渠坡處理措施探討
  16. Code for design of soil and foundation of buildings in frozen soil region

    凍土地區建築地基基礎設計規范
  17. Spatial variation of soil bulk density in relation to terrain and land use in eroded of black soil region

    侵蝕黑土容重空間分異與地形和土地利用的關系
  18. At last, the curve of water and shear strength is used to set up calculation project to simulate the influence of rain infiltrate on slope stability. after analysis the result, a applied method is provided for slope reliability analysis in silty soil region

    最後應用試驗所得水-抗剪強度指標的關系曲線建立計算方案來模擬降雨對粉質土坡穩定性的影響，為粉質土地區邊坡可靠性分析提供一個實用的分析方法。
  19. In recent years, highway is developing rapidly in our country. the value of settlement after completion of works is high in the point view of built highway on the soft soil region, which produced a big problem called bumping at bridge - head

    近幾年來我國高等級公路發展迅速，從已建軟土地基高等級公路運行情況看，工后沉降特別大，造成「橋頭跳車」是目前存在的主要問題。
  20. Building code for saline soil region

    鹽漬土地區建築規范
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