鹽性土 的英文怎麼說

中文拼音 [yánxìngtǔ]
鹽性土 英文
salt soil
  • 鹽 : 名詞1. （食鹽; 鹽類） salt 2. （姓氏） a surname
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. 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 。
  2. Characteristics of humus in maturing salt - affected soil

    鹽漬土熟化過程中腐殖質特性的研究
  3. Review of polyurethane layered silicate nanocomposites

    層狀硅酸鹽粘土的有機改性
  4. With unique and rich land resources, 50, 000mu land forming from the tidal in yancheng coastal line. there is abundance natural gas which 210 billion cubic meters have been developed already

    鹽城土地資源得天獨厚，淤積性海岸每年向大海延伸5萬畝土地；天然氣資源也非常豐富，已探明儲量2100億立方米。
  5. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的水澇問題；灌溉導致的土壤鹽堿化；地表灌溉；地下水的再利用；地下水水力學；雨水與水流失的關系；淺地表排水；土壤開墾及水澇，酸性，堿性土壤的改良；片段線形回歸和累積頻數分佈的統計分析等。
  6. The result shows that the plasticity index and the compression coefficient of the northern inshore saline soil reduce with the increase of the salt content, and the shear strength attains a limit value with the increase of the salt content

    結果表明，北方濱海地區鹽漬土的塑性指標、壓縮系數隨含鹽量的增加而降低，抗剪強度隨含鹽量增加出現一含鹽量界限值。
  7. Growing in saline or alkaline lands, and dry or semi - dry areas, some species are highly adaptable to coldness, dryness and saline or alkaline lands

    由於賴草屬植物常生長在鹽堿地和乾旱半乾旱的山坡、地埂，該屬植物的有些物種對寒冷、乾旱、鹽堿土等不良環境具有高度的適應性。
  8. Product this getting wet pouch active mt of packaging completely, main raw materials active mt one natural having special crystallization layers of silicate clay ore of form scarce, sublimated and processed and succeeded by special technology, one layer of forms tetrahedron and octahedra chip of it are arranged into six mao net, cause the crystalline grain to expand after absorbing water, pick up the moisture, get rid of oxygen, keeps fresh, anticorro sion, long result function, it is a kind of healthy green environmentally safe product

    本品是透濕性小袋包裝的活性mt ，主要原料活性mt是一種天然稀有的具特殊結晶層狀的硅酸鹽粘土礦，經特殊技術提純加工而成，它的層狀四面體和八面體晶片排成六角網格，吸水后引起晶格膨脹，具吸濕、除氧、保鮮、防蝕、長效功能，是一種健康綠色環保產品。
  9. Trough overlaying of landform, parent material and soil maps, soter unit database is developed. moreover, soter land resource database was established based on soter unit map and climate region map. soter land use database was built based on china land use classification and soter socio - economical database is built base on statistical data

    在此基礎之上，更新土壤屬性生成母質圖，進而利用土壤普查資料中的剖面記載與剖面描述將邯鄲地區土壤發生分類轉換為系統分類，邯鄲地區存在雛形土、新成土、有機土、人為土、鹽成土五個土綱十三個土類二十一個亞類。
  10. In this thesis, recent research of the er3 + - doped luminescence materials as well as its applications is reviewed, the main problems in this area are identified, related theories about luminescence of rare earth ions are introduced, and the near infrared and visible luminescen - ce of er3 + - doped borosilicate glasses and silicon oxynitride films have been studied in detailed

    本論文主要研究了硼硅酸鹽稀土玻璃和sin _ xo _ y薄膜材料中er ~ （ 3 + ）的可見和近紅外發光的性質，主要內容和得到的結果如下： 1通過變化玻璃的配料組分，合成了含a1和w的硼硅酸鹽玻璃系列樣品。
  11. In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil

    為了進一步提高四倍體刺槐的耐鹽性和抗旱性，進一步擴大其適宜種植的生態范圍，充分發揮其固氮、改良土壤的特性，在我國的城鎮綠化、荒山造林、鹽堿地改良以及采礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢，本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。
  12. 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
  13. It is concluded that the addition of suitable amount of kaolin can improve the intensity, thermostability and salt - resistant of superabsorbent

    研究了聚合條件與性能的關系，結果表明：適量高嶺土的加入可提高吸水性樹脂的吸水強度和耐鹽性，並且有較好的熱穩定性。
  14. As far as the durability concerned, the resistance of sulfate attacks of the normal concrete could n ' t compared with the hpc

    耐久性方面，普通強度混凝土的抗硫酸鹽性能要比高性能混凝土差。
  15. Aimed at engineering problems lied in inshore saline soil in the northern part of china, the store environment is analysed, and the relation between the salinity and the engineering property index is studied

    摘要針對我國北方濱海鹽漬土地區存在的工程問題，對濱海鹽漬土的賦存環境進行了分析，並研究了鹽漬土的含鹽量與其工程特性指標間的關系。
  16. This climate make latosol usually as acidic, low levels cation exchanges capacity and low lever base cations, high levels of exchange al, with a high potential for leaching of plant nutrients

    這種氣候條件使磚紅壤成為強酸性土壤，陽離子交換量和鹽基飽和度低，鋁飽和度高，化肥通過淋溶損失過程就更為突出。
  17. So far, most related researches and achievements have showed that acid rain has certain impact on functions of a soil ecosystem. such as leaching of soil base - exchangeable ions, heavy metals and microelements, nitrogen, contents of sulfur and phosphorus nutrients, soil acidification, population and activities of soil microbes, soil buffer capacity, soil sensitivity to acid rain, soil structure and weathering status of soil minerals, and so on

    現有的大量研究表明，酸雨對土壤生態系統的功能特性，包括土壤的鹽基離子以及重金屬與微量元素的淋溶、土壤營養、土壤酸化、土壤微生物數量及其活性、土壤緩沖性能、土壤對酸雨的敏感性、土壤結構、土壤礦物風化等方面均會產生一定的影響。
  18. With tabia which is composed of saline soil, lime and crushed stone as an example of backfill engineering, a series of experiments of physical and mechanical properties were carried out to investigate the compressive strength and contributing factors of tabia

    摘要以由鹽漬土、石灰、石子組成的材料（三合土）對地基進行回填處理工程為例，通過一系列三合土物理力學性能實驗，分析了三合土的抗壓強度以及影響因素。
  19. Experimental researches and analysis of expansion characteristics of sulphate salty soil

    硫酸鹽漬土鹽脹特性試驗及分析
  20. Eng. ) we teach soil definition, soil classification, soil architecture and physical properties, soil aeration and temperature, soil colloids, soil acid, alkalinity and salinity, soil organisms, soil organic matter, nitrogen and sulfur economy of soils, soil phosphorus, potassium and micronutrients, practical nutrient management

    中）主要講述土壤的基本定義，土壤的化育、生成與分類，土壤的物理、化學與生物特性，土壤的通氣與溫度，土壤膠體特性，土壤的酸性、堿性和鹽性，土壤中的元素，土壤管理等。
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