water deficit 中文意思是什麼

water deficit 解釋
缺水量；水量差
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • deficit : n 不敷，虧空（額），赤字；欠缺。 cover the deficit 彌補虧欠。 What? Another deficit 咳 又虧了 def...
  1. Abstract : results of pot experiments showed that water deficit affected the height, buds, bulls falling and quantity of productive bulls of cotton

    文摘:通過盆栽試驗在棉花不同生育時期進行不同程度的調虧灌溉試驗。
  2. Climatic variation is a major factor of affecting the rate of desertification. the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas

    其中，氣候變化是控制沙漠化進退的首要因素，陸表水持續虧損則是導致乾旱、半乾旱地區土地沙漠化發展的直接原因。
  3. And climatic variation is a main factor affecting desertification. the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas. the tectonic activities of lithosphere control the distribution of desertification by constructing geomorphology

    提出了自然作用在土地荒漠化演化中佔主導地位，其中，氣候變化是控制土地荒漠化進退的首要因素，地表水持續虧損則是導致乾旱、半乾旱地區土地荒漠化發展的直接原因。
  4. Water deficit is influenced by the level of soil water potential at the root surface.

    水分虧缺是受根系表面土壤水勢高低影響的。
  5. Under water stress, leaf water content decreased and leaf water deficit intensified

    在乾旱脅迫下，葉片含水量減少，葉片水分虧缺嚴重。
  6. ( 3 ) in artificial forestland, soil dried layer has been formed because of water deficit

    （ 3 ）在人工林地，因水分虧缺形成了嚴重程度不同的干化層。
  7. Severe water deficit at seedling stage and wadding stage, medium water deficit at buds and bolls stage can be propitious to cotton yield

    結果表明，調虧灌溉對棉花株高、蕾鈴脫落、成桃數等影響較顯著；苗期和吐絮期重度水分虧缺、蕾鈴期中度水分虧缺均有利於棉花產量的形成。
  8. In plants, there is an ecological and physiological mechanism of adaptability to soil water stress, which provides the signal and basis for the diagnosis of water deficit

    植物本身具有一種適應土壤水分脅迫的生理生態調節機制，以度過不良的生長環境，這為水分虧缺診斷提供了信號和依據。
  9. Water stress is the most popular environment menace that affects crop production, and diagnosis of water deficit is very important to the development of irrigation and precision agriculture

    摘要水分脅迫是影響作物生產最為普遍的環境威脅，水分虧缺的診斷對農田灌溉和精確農業的發展具有重要意義。
  10. Based on the serious shortage of soil moisture, soil aridity and vegetation recession in this region, the following issues are studied in this dissertation : ( 1 ) the meaning of soil water and its role in the water circulation ; ( 2 ) soil water deficit and its influence to vegetation growth ; ( 3 ) the definition of soil dried layer and the causes of its formation ; ( 4 ) soil dried layer distribution and characteristics in north of shaanxi loess plateau ; ( 5 ) the primary study of measurable index of soil dried layer

    本論文主要針對黃土高原土壤水分嚴重虧缺現狀以及因之而形成的土壤干化和林草植被衰退現象，主要對以下幾方面的問題進行了研究： （ 1 ）土壤水分的意義及其在生態系統水分循環過程中的作用； （ 2 ）林草植被土壤水分虧缺狀況及其對植被生長的影響； （ 3 ）土壤干層的涵義及成因分析； （ 4 ）陜北黃土高原土壤干層的分佈及特徵； （ 5 ）土壤干層的量化指標初步研究。
  11. 000mm. there is a water surplus in the north and west, and a water deficit in the south and east

    英國全年降雨量穩定，平均降雨量超過1000毫米。英國北部、西部雨量過多，但是南部、東部有所缺乏。
  12. The sensitive index obtained by least - squared method sometimes can not be scientifically explained in terms of crop physiology. the phenomenon is related to the statistical distribution of experiment data in addition to the number of experiment treatment and water deficit level

    受最小二乘法求優數學解的約束，在求解作物水分響應模型的敏感指標時常出現從作物生理和物理上難以科學解釋的情況，這除與試驗處理數量多少及缺水水平有關外，也與試驗數據的統計分佈有關。
  13. A major problem encountered by plants during a period of water deficit is the maintenance of cell turgor. most of the adaptations to such conditions involve mechanisms limiting water loss

    水通道蛋白（也稱水孔蛋白， aquaporins ，簡稱aqp ） ，普遍存在於動物、植物及微生物中，是水進出細胞的主要途徑。
  14. The outcomes show that the rational annual volume of water regulation should be 16 billion m ^ 3 under the joint actions of three random processes of annual water deficit of huayuankou station, carrying capacity of the main river and distribution volume of huayuankou and ; the plan of annual water regulation of 17 billion m ^ 3 and 8 billion m ^ 3 is also feasible

    結果表明：在花園口站年缺水量、黃河幹流輸水能力和花園口配水量3個隨機過程共同作用下，合理的年調水量應為160億立方公尺；年調水170億立方公尺和80億立方公尺，也是可行的方案。
  15. Experimental study was performed to determine the moderate water deficit effect and physiological irrigation index of tobacco with lysimeters by controlling the lower limit of soil water content

    摘要為確定煙草的適度虧水效應及煙草水分生理灌溉指標，進行了煙草蒸滲儀試驗，通過控制土壤水分下限研究煙草的適度虧水效應。
  16. The sensitivity indices at different growth stages of the two models differ significantly, which indicates that the time of occurrence of water deficit has a great influence on the reduction of the yield of spring wheat an maize

    這一結果可能是由於minhas模型的自變量採用b _ 0和_ i雙重冪指數的數學結構，而能夠較好反映乾旱區作物對水分敏感的特性。
  17. According to the manner of possible water shortage in future, the water deficit treatment was designed with controlled water application method ( reduce water application with irrigation date remaining unchanged according to the irrigation schedule in use ) which is more suitable to the irrigation management of the local area

    結果表明，兩種作物相對減產量與相對虧水量的線性相關系數偏低，顯示除缺水程度外缺水時間對產量也有顯著影響，線性模型僅比較粗略地表達這兩種作物的產量與全生育期水分的關系。
  18. In this paper, the research advance in diagnosis of crop water deficit is summarized from the aspects of soil index, meteorology index and crop index, the advantages and disadvantages of different methods are discussed, and the problems faced in the study application are also analyzed

    本文從土壤指標、氣象指標和作物指標角度綜述了作物水分虧缺診斷的研究進展，討論了各種方法指標的利弊，並從應用研究角度分析了應用尺度存在的問題。
  19. The roles of salicylic acid in inducing plants resistance to abiotic stress such as heavy metals, ozone, ultraviolet radiation, chilling, heat shock, water deficit and salt stress are reviewed and the possible physiological and molecular action mechanisms of salicylic acid are discussed

    摘要本文綜述了水楊酸在誘導植物抗（耐）非生物脅迫如重金屬、臭氧、紫外輻射、過冷、熱激、水分虧缺和鹽脅迫等方面的進展，並探討了水楊酸作用的分子、生理機制。
  20. Among these abiotic stresses, water deficit is the most severe environmental factor responsible for the reduction of crop yield in many parts of the world

    其中，水分脅迫是造成全世界作物產量降低的最重要的環境因素。
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