次生鹽土 的英文怎麼說

中文拼音 [cìshēngyántǔ]
次生鹽土 英文
secondary saline soil
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 鹽 : 名詞1. （食鹽; 鹽類） salt 2. （姓氏） a surname
  1. The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north

    實驗結果表明：粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用；磁化率和全鐵很好地指示生物風化成壤作用； sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用；總有機碳（ toc ）含量的高低，在一定程度上反應了土壤發育過程中氣候和植被狀況的變化，指示著成壤過程中腐殖質化的程度； caco3含量的變化，可以反映了黃土古土壤形成時的風化成壤作用的強弱程度，指示成壤過程中的淋溶作用和次生碳酸鹽化作用；並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異，即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。
  2. The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before

    土壤鹽漬化是影響農業生產和生態環境的嚴重問題，隨著工業污染加劇，灌溉用水的質量不斷下降和化肥使用不當等原因，次生鹽堿化土壤面積有不斷加劇的趨勢，給農業生產造成重大損失；黃矮病毒病是小麥等禾本科植物的重要病害之一，其傳毒介體蚜蟲更使植物產量損失巨大。
  3. After the forum, the experts in the inception mission delivered some excellent reports to wuyuan county. mr. barry senft introduced wheat production and marketing in canada, dr. li yuxia briefed development of conservation agriculture in china and canada, mr. liu jianjun reported on progress of chinas research on wheat breeding, prof. zhang yongping introduced progress of research on water - saving irrigation ; and, mr. li yuejin talked about soil salification control technology. they also responded to questions from the audience

    在研討會結束后，項目啟動團的專家為五原縣作了一次精彩的報告， barry senft先生詳細介紹了加拿大小麥生產和營銷情況，李玉霞博士介紹了中國和加拿大的保護性農業發展情況，劉建軍研究員介紹了國內小麥育種研究進展，張永平教授介紹了節水灌溉研究進展，李躍進介紹了土壤鹽漬化控制技術，專家們還回答了聽眾感興趣的問題。
  4. To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary

    摘要灌區灌溉採用井灌井排，開發利用地下水資源，不但能有效降低地下水位，防止土壤次生鹽堿化，還可以通過井渠互補，使農作物得到適時灌溉。
  5. Secondary salinization of soil is an important factor limiting the greenhouse cropping system

    設施土壤次生鹽漬化是我國設施農業生產中的一個重要限制因子。
  6. Prevention of soil secondary salinization by turning upland cropland into paddy fields in depressions of the songneng plain

    松嫩平原低平易澇地旱改水種稻治澇防止土壤次生鹽漬化技術的研究
  7. Abstract : according to the composition, the thermal - water sedimentary rocks of yinmin formation in the dongchuang copper ore field can be divided into nine types, of which skarnoid, cupric magnetite carbonate, paracontemporaneous breccia formed in thermal water processing are confirmed and named in this study

    文摘:東川銅礦田因民組熱水沉積巖根據主要成分可分為9大類，其中類夕卡巖、含銅磁鐵碳酸鹽巖、熱水膠結準同生角礫巖為本次研究確定和命名，其礦物組合、微量元素、稀土元素等地球化學特徵表明：它們是海底火山噴流沉積作用的產物。
  8. ( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy

    首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合，制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上，測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑（ 13x ，硅膠和活性炭） 。
  9. Cause of formation and prevention and cure measure for secondary soil salinization in sheyang county of sichuan province

    射陽縣土壤次生鹽漬化的成因及防治對策
  10. The study is mainly about the irrigating of song nen plain region and its water - salt sport environment condition and artificial factor etc

    摘要主要研究了松嫩平原地區的灌溉方式、土壤水鹽運動狀況、環境條件以及人為因素等，對土壤次生鹽漬化的形成，提出預防與防治具有重要的意義。
  11. On the basis of some research findings in recent years, the paper summarizes characteristics and causes of greenhouse soil salinization, and its effects on soil properties, including physical and chemical properties and microorganisms as well

    本文根據近年來的相關研究進展，綜述了設施土壤次生鹽漬化的基本特徵、形成原因及其影響因素，並闡述了設施土壤次生鹽漬化對土壤理化性質以及土壤微生物狀況的影響。
  12. The metals transported in the various forms by the above processes can be co - consolidated with carbonate precipitation in the top soil, can easily be extracted by ho ac. the structure, weight and mineral constituents of loess change with varies on concentration of ho ac : the boundary between the grain become unclear after different gradually, but when hoac > 3 %, the weight change become smaller. also with increasing of ho ac concentration, the carbonates in loess decreases gradually, while hoac > 3 %, the change become smaller

    不同濃度醋酸提取，黃土的結構、重量和礦物組成發生不同變化：黃土團粒界限變得模糊並出現孔洞，可能說明次生碳酸鹽在黃土中主要成膠結物存在；隨醋酸濃度增高，黃土重量逐漸降低，但當醋酸濃度大於3后，重量變化明顯變小；黃土中碳酸鹽礦物含量逐漸降低，當醋酸濃度3后，變化范圍明顯變小。
  13. Based on the waste residue continuing to use the theory of pure gypsum as amendment in improving alkaline soil establish a plan that with saving resources, water and with better effect and rapid speed. reach on the effect of the same - ion effect and salt effect of nacl in course of improving the alkaline soil. then after the certain amount of gypsum for exertion is decided, compare the effect of exertion of waste residue for one time with for more than one time

    首先比較煤煙脫硫廢渣與化學純石膏改良的物理化學過程的異同，在廢渣基本上可以沿用純石膏改良的理論基礎上，在一定的計劃改良深度內，定量的石膏施用方法的情況下，建立一個省石膏，省水，省工，效果好，速度快的方案；同時研究了nacl的鹽效應和na _ 2so _ 4的同離子效應在純石膏改良堿土過程中起到的作用；最後針對石膏施用量確定之後，一次施入還是分次施入更好，進行了探討；結合當地耕作條件，總結各有利的技術措施，指導田間的生產實際。
  14. In 1994, the ternpc got the only creative prize of agriculture science in the first ningxia patent exhibition, and the golden medal of the first agriculture science and technology achievement exhibition of china, held by the cstc chinese science and technique committee and shanxi province. in 1996, it was listed in the major plan of science and technique spreading by nstc

    總的來說，西部的生態環境特別是西北地方砍伐，水土流失，土地沙漠化的問題十分嚴重，由於生態環境惡化，造成湖泊乾涸，下遊河道斷流，土壤次生鹽化面積不斷擴大，沙塵暴頻繁增加，天然林場草場在面積退化，如果這些問題不能起到有效控制，環境的惡化很難逆轉，現有的綠州也很難利用。
  15. But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont

    海水灌溉下，耕層土壤中鹽分含量受降雨量影響很大，足夠的降雨條件下，鹽分不會積累，降雨量較低時，鹽分積累明顯，但在50海水處理下趨于平衡狀態；耕層土壤sar值的變化情況和鹽分含量變化情況相一致，在灌溉水中海水濃度大於50時有所下降；土壤中主要鹽離子為cl ~ -和na ~ + ， 0 - 60cm土層內， na ~ + 、 cl ~ -明顯的向土壤底層遷移，其在土壤中的含量受降雨影響顯著，而ca ~ （ 2 + ） 、 mg ~ （ 2 + ）和k ~ +在土壤中遷移能力較低，其含量受降雨影響較小； 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響，而在降雨充分的條件下，地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。
  16. Implication and application of stable carbon and oxygen isotopes of pedogenic carbonates in soils

    土壤次生碳酸鹽碳氧穩定同位素古環境意義及應用
  17. In order to prevent the deterioration of ecological environment, countermeasures from the aspect of water resources exploitation and utilization were proposed as following : to reduce groundwater table for preventing and eliminating soil salinization ; to establish a powerful drainage basin management organization ; to establish water - saving society ; to carry on the additional investigation and water on environmental hydrogeology related to endemic disease

    並從水資源開發利用角度提出了防治生態環境劣變的基本對策：降低地下水位，預防和消除土壤次生鹽漬化；建立有實權的流域水資源管理機構；開源節流，以節流為重，建立節水型社會；開展全疆補充性的地方病環境水文地質調查研究工作。
  18. In recent years, such problems as the extension and application of on - film irrigation, reclamation of salinized soils, and prevention of secondary salinization have made it important to study coupled movement of soil water, salt and heat transfer under plastic mulch in arid and semi - arid areas

    近年來覆膜灌溉的推廣應用、鹽堿地開發和改良以及土壤次生鹽堿化防治等問題使得研究西北乾旱-半乾旱地區覆膜條件下土壤水、鹽、熱耦合遷移規律成為重要課題。
  19. Therefore, metals moving upwards from mineralizations may be absorbed and form weak geochemical anomalies ( weak signals ) in surface loess. the metals can be effectively extracted by neutral salt. loess - covered area in china is primarily distributed at the semiarid region, the secondary carbonates, which were formed after precipitation of ions through evaporation and capillary processes, are widespread in the surface soil

    黃土覆蓋區主要分佈在乾旱半乾旱地區，次生碳酸鹽在地表土壤中普遍存在，蒸發所產生的毛細作用、地氣流的上升作用等所帶入的各種形式金屬元素，在地表土壤（黃土）與碳酸鹽發生共沉澱或被吸持。
  20. The prevention and suggestion is brought up, it is important for a good drain system for preventing soil secondary salinization, it can lowerer the underground water lever and ejecter the soil salt in order to adapt to douche and drain

    為了防止土壤次生鹽漬化，良好的排水系統是非常重要的，它可以降低地下水位和排出土壤鹽分，做到灌排配套。
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