soil chemistry 中文意思是什麼

soil chemistry 解釋
土壤化學
  • 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...
  • chemistry : n. 1. 化學。2. 物質的組成和化學性質;化學作用[現象]。3. 〈比喻〉神秘的變化(過程)。
  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. Plants may possibly influence soil chemistry by the possession of chelating mechanisms.

    植物由於具有螯合機制可能影響土壤的化學特性。
  3. Plant samples above ground were taken respectively at seedling stage, maximum tillering stage, full heading stage and full ripe stage for n, p, k, si content analysis carried out according to " routine analysis method for soil agro - chemistry "

    在苗期、最大分蘗期、齊穗期和完熟期分別採取地上部分植株樣本,按照「土壤農化常規分析法」化驗氮、磷、鉀、硅含量。
  4. Abstract : the biological control effect on fruit tree insects and eco - economic benefit of interplanting mentha spicata with orchard was studied and analysed based on field polt experiment. the result shows : interplanting mentha spicata with orchard have obviously biological control effect on fruit tree insects like phyuoenistis eitrella stainton, papilio xuthus l, phyllocoptruta oleivora ashmead and myzus perieas sulzer ect, interphanting mentha spicata with slope orchard could reduce soil and water losses, and improve soil physical - chemistry property effectively, its also accelerate fruit tree growth and increase the yield of fruit tree, and has good economic benefit

    文摘:在野外小區試驗的基礎上,對果園套種留蘭香生物防治果樹蟲害的作用及其生態經濟效益進行了研究和分析,結果表明:果園套種留蘭香對潛葉蛾、柑橘鳳蝶和桃蚜等果樹害蟲有明顯的生物防治效果;在坡地果園套種留蘭香能有效減輕水土流失、改善土壤的理化性狀,促使果樹的生長和提高果樹的產量,並具有良好的經濟效益
  5. This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water, soil nutrieftt and soil physical property. the paper applied some methods and theory of plant ecology, plant physiology, physics of soil and soil chemistry etc. three different age s. viciifolia hance in the different plot were selected, caraganar land and fallow land as a comparison

    本文以陜北黃土區安塞紙坊溝流域內在植被演替中佔有重要地位的天然灌木種( 6 、 14 、 17齡)狼牙刺( sopharaviciifoliahance )為對象,以15齡檸條( caraganar )和撂荒地為對照,系統研究了狼牙刺的生長特徵、生理特性,及其生長對土壤水分、土壤養分、土壤物理性狀的影響。
  6. It sets up a evaluated system by analyzing groundwater chemical components, through studying pertinence in water chemical component and soil strength, it also puts forward that water chemical change can map soil strength variation under water - soil interaction. from the theory of the water - soil interaction on, the interrelation of city construction, the variation of groundwater condition and the soil structure strength is analyzed and that the measure of soil structure and the significance which is by the water - soil interaction is studied in this paper. at the same time, in the paper : the recourse of the soil structure strength is summarized ; the physical meaning of soil mini - scale structure is defined ; the measure of soil structure is classified ; the four basis forms of the water - soil interaction is induced ; the chemistry mechanism of the water - soil interaction is discussed

    通過水化學組份與土強度間的相關性分析,提出水化學組份的變異可以映射水土作用下土強度的變異;從水土作用的理論出發,分析了域市建設、地下水環境變異與土結構強度間的相互關系,研究了土的結構尺度及其在水土作用中的意義:總結了土的結構強度的來源、定義了土細觀結構的物理涵義井劃分了土的結構尺度及層次、歸納了水土作用的四個基本形式、討論了水土作用的化學作用機理。
  7. Though groundwater - soil interaction is long and slow, it is marked and transient the water ' s chemistry change comparing to the interaction between the water and soil during whole geological history process. the results of quantity accumulated in a short time will reduce to the soil ' s nature change

    盡管地下水與地基土體之間的相互作用是長期的、緩慢的,但與土體形成和經歷的整個地質歷史進程的水土作用相比,水化學環境變異是顯著且短暫的,水土作用將會在短時期內進行量的積累,從而使土的性質達到質的變化。
  8. With the construction of geographically referenced database based on second national soil general survey materials, including the data of soil profiles physical chemistry property, soil profiles depth, soil nitrogen content, soil bulk density, and the support of geographic information system, this paper systematically quantified the soil nitrogen pool

    本文以中國陸地生態系統中的土壤為研究對象,以中國較完善和精確的第二次土壤普查統計資料為基礎,在地理信息系統( gis )的支持下,對土壤剖面資料進行空間化,初步建立了土壤剖面數據庫。
  9. Basing on the above viewpoints, this paper aims at affection that groundwater ' s chemistry component change having on fine - grained soil structures strength, and analyses the connection and cementation between soil granules proceeding with water chemistry function

    基於上述觀點,本文針對研究因城市建設導致的地下水化學組份變化對粘性土結構強度影響及作用方式的變化,以城市區域地下水的化學作用入手,剖析土顆粒間的連接作用及膠結物作用。
  10. Eng. ) 1. kinds and characteristics of different chemistry and organic fertilizers ; 2. conversion in the soil of various kinds of fertilizer elements ; 3. principle and practice on the fertilizer is used rationally

    中) 1 .各種化學與有機質肥料的種類及其特性; 2 .各種肥料元素在土壤中的轉換; 3 .肥料合理施用(適時、適地、適作、適法及適量施用肥料)的原理與實務。
  11. The physics and chemistry instruments on spirit have determined the soil, shown above, contains a high content of salts including iron - bearing sulfates

    精神號上的物理和化學設備已經檢測了這些土壤,如上圖所示,土壤中富含了鹽份包括含鐵的硫酸鹽。
  12. Then, the deformation of soil particle skeleton under the physical chemistry of electrical double ] ayer and exterior load are simulated, indicating the micro - mechanism of deformation, failure and creep for structural soil. because conventional constitute models are constructed according to reconstituted clays, not considering the structure in natural clays and structure damage course during loading, a elasto - viscoplastic damage model and the parameter determining method are put forward

    針對過去用重塑土試驗建立的本構模型,沒能考慮天然土體中存在的結構性,沒有描述結構性土從天然原狀到加荷破壞的這一過程,建立了一個描述結構性土的彈粘塑損傷模型和參數確定方法。
  13. The journal publishes articles on tropical soils and environmental issues, including soil genesis and classification, soil chemistry and biochemistry, soil fertility and microbiology, soil physics, management and conservation of soil and water resources, agroclimatology and geography of soils, environmental issues of interest to soil scientists

    雜志刊載有關熱帶土壤和環境問題的文章,包括土壤發生與分類,土壤化學與生物化學,土壤生產力與微生物學,土壤物理學,水土資源的管理與保持,土壤的農業氣候學與地理學,以及土壤科學家感興趣的環境問題。
  14. Eng. ) we expect to train operaional technique and practice of soil chemistry based on primary priciple of essential elements, inorganic and organic compositions, development and character of charge and chemical reactions in soils

    中)根據土壤基本的化學元素、無機與有機主要成分、土壤的電荷導源與特性、土壤中主要發生的化學反應等原理,進行各項實驗操作的練習,期能達到熟悉試驗技術及活用土壤化學原理的效果。
  15. When the pile possess reinforcment, it can improve the soil ' s physics and mechanics property by the effect of extrusion - vibration and drinking. by chemistry and microcosmic analyzing, it ' s recovered that the activity matter would dissociate out and

    相比于其他常用地基處理方法,粉煤灰-石灰-硫酸鹽混凝土樁在施工過程中不僅對環境產生的污染較小,而且樁體材料可全部採用固體廢渣,有非常明顯的環境效益。
  16. The sort and stabilized of subgrade filling all over the word are discussed. on the base of analyses of developed and present for improved soil, the theory and character of each improved soil are studied form physics and chemistry

    在分析路基填料改良的發展與現狀的基礎上,從物理化學方而研究了各改良土強度形成機理及特點,並分析了土的孔隙液成分對改良土的影響。
  17. Soil chemistry and soil physics

    土壤化學和物理學專家
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