鹽成土 的英文怎麼說

中文拼音 [yánchéngtǔ]
鹽成土 英文
halogenic soil
  • 鹽 : 名詞1. （食鹽; 鹽類） salt 2. （姓氏） a surname
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  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. Formation characters and exploitation of saline - alkali soil in northwest china

    西北地區鹽漬土形成特點及開發利用
  3. The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed

    摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。
  4. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  5. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  6. It can improve germination percentage of seed and reduce production cost only if the appropriate conditions such as relatively low saline soil and optimum temperature are chosen

    選擇低鹽漬化程度的土壤和適宜的溫度能夠提高種子的萌發率，降低生產成本。
  7. Statistics show that haiyan has also become a hot land for investment owing to the bridge ' s construction

    統計數據顯示，大橋的建設也讓海鹽成為了一片投資熱土。
  8. Hebei shengxue dacheng pharmaceutical co., ltd. is a large - size state - owned enterprise focusing on antibiotics in china, streptomycin sulphate, oxytetracycline base and oxytertracycline hcl are our main products

    河北聖雪大成制藥有限責任公司是專業生產抗生素的大型國有企業，主導產品有硫酸鏈黴素、土霉素和鹽酸土霉素等。
  9. Evidence of the early stage weathering pedogenesis by carbonate rock

    碳酸鹽巖早期風化成土作用的證據
  10. Purple soil classified as regosols in fao soil taxonomy and pup - cambols in china soil taxonomy, is one of well known soil types with the particularities such as weathering easily, high natural fertility, etc., and feeding population of 500 / km2. however, it often meets the water disasters ( sporadic flooding and serious seasonal drought )

    摘要紫色土是世界上一種特殊的土類，集中分佈於四川盆地，以其易成土性和富鹽基性（自然肥力高）養育著500人以上平方公里的人口而著稱於世，但是它分佈的區域存在嚴重的季節性乾旱和時有發生的洪災等水問題。
  11. Based on different regions, the drainage can be used to expand sand control belts of arbors, shrubs and grasses, to increase vegetation coverage of halosols deserts by salt - tolerant plants, or to set up protective belts of salt - tolerant plants around artificial oases

    根據區域不同，利用農田排水拓展喬灌草防沙帶、增加鹽成土荒漠耐鹽植被的蓋度、使人工綠洲邊緣的荒漠能夠生長耐鹽植物等都是農田排水資源化利用發展的方向。
  12. 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。
  13. 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。
  14. Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir

    本文從青銅峽水庫泥沙淤積入手，分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀，對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析，提出庫區圍墾堤是水庫水位抬升的重要原因。
  15. 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。
  16. The salt always blocked the agriculture production, and is one of the main reason for the infield desolation

    鹽害一直是困擾農業生產的一個重要問題，也是造成土地荒蕪的主要原因之一。
  17. The central concept of inceptisols is that of soils of soills of humid and subhumid regions that have altered horizons that have lost bases or iron and aluminum but retain some weatherable minerals

    始成土的主要特性在於它分佈在濕潤半濕潤地區，發育有喪失鹽基或鐵鋁但保留可風化礦物的土層。
  18. Salinization of soils is an increasingly threat to agriculture, forest and environment. there are 0. 96 billion hectares of salted soil worldwide amounting to one third of the total terrestrial area on earth. there are about 100 million hectares of salted soil in our country that severely limits agricultural production

    土壤鹽漬化是影響農林業生產和生態環境的嚴重問題，目前全世界約有9 . 6億公頃鹽漬土，占陸地面積的三分之一，我國的鹽漬化土地近1億公頃，給農林業生產造成了重大損失。
  19. 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。
  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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