田間含水量 的英文怎麼說

中文拼音 [tiánjiānhánshuǐliáng]
田間含水量 英文
field capacity
  • 田 : Ⅰ名詞1. （田地） field; farmland; cropland; land 2. （姓氏） a surname Ⅱ動詞[書面語] （打獵） hunt
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 含 : 動詞1 （東西放在嘴裏 不咽下也不吐出） keep in the mouth 2 （藏在裏面; 包含） contain 3 （帶有某種...
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 田間 : field; farm田間勞動 field labor; farm work; 田間試驗 field test; field trial; field experiment; 田間小路 loaning
  1. The threshold value of soil water contents for photosynthesis and stomatal resistance is about 14 ( 0g ), i. e., 60 65 of field capacity

    棉花的光合速率和氣孔阻力隨土壤含水量變化的閾值約在14土壤含水量水平，該閾值相當於田間持水量的60 65 。
  2. In conclusion, the variable degree of the soil water properties and bulk density in different layers is water content > wilting point > field capacity > saturation > bulk density

    總的來看，各水分特性在剖面各層的變異情況為:含水量>萎蔫含水量>田間持水量>飽和含水量>容重。
  3. At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination

    採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究，選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價，選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價，強調了生態條件及其環境污染狀況在農用地分等定級中的作用。
  4. When sparsely - planted rice overgrew its earing period, light intensity in the mid - lower part increased, photosynthesis prolonged, activity of nitrate and peroxide decreased, protein content increased by more than 50 %, velocity of leaf ageing slowed, but accumulation of dry matter of grain accelerated and 1000 - grain weight increased too

    摘要稀植栽培的水稻，抽穗后田間表現為中下部光強明顯增加，光合作用時間延長，硝酸還原酶和過氧化物酶活性降低，蛋白質含量增加50 %以上，葉片衰老延緩，籽粒干物質積累加速，千粒重提高。
  5. The result indicates that photosynthesis and the cell liquid density of tobacco are both seriously influenced by soil water content, and that photosynthesis is the most vigorous when the lower limit of soil water content is 75 % of water holding capacity of farmland during the vigorous growing period of tobacco

    試驗結果表明：煙草光合作用受土壤水分影響較大，當旺長期土壤含水量控制下限為田間持水量的75 %時，光合作用最強；細胞液濃度的變化受土壤含水量影響亦較大。
  6. Moreover, according to different land use types, bulk density shows the lowest value for the woodland while the highest value for the grassland and the subsoil of farmland, saturated soil moisture and field capacity exhibit the highest values for woodland while the lowest for the grassland and the subsoil of farmland, and the wilting moisture in woodland is also the highest and that in the farmland is the lowest

    不同土地利用類型土壤物理性質也存在顯著差異，容重以農地亞表層和草地較大，林地較小；飽和含水量和田間持水量以林地較大，農地亞表層和草地較小；萎蔫濕度則以林地較大，農地和果園地較小。
  7. And we have got the following result : 1. the technique of storing water in soil in gneiss area of tai - hang mountain : the more water in soil before rain is, the less water capability of soil is, the time shorter of water flowing from soil is, the easier the water flows on the ground ; the soil capability of reserving water of different soil thickness is terrace > acacia land > pine land > grass land, so the soil is more thick, the soil capacity which contains water is more large ; the accumulated water that flows on the ground is remarkable related with the logarithms of rain time

    太行山片麻巖區土壤蓄水規律：雨前土壤含水量越高，土壤可蓄水量越小，出流所需時間越短，容易形成地表徑流；不同土層厚度的土壤蓄水量為：梯田刺槐林地油松林地草地；累積地表徑流量與降雨時間的對數呈顯著正相關，擬合方程為w = a + blnt ，相關系數均大於0 . 92 ，即在降雨強度一定的前提下，降雨時間越長，累計地表徑流量越多。
  8. The results of the 2 - year field experiments of reducing chemical n fertilizer application in rice growth and the 1 - year demonstration and extension on a rather of large - area showed that appropriately selecting various ways of reducing chemical n fertilizer application according to different contents of alkali - hydrolysable n in soil could decrease the application amount by 15 % ~ 20 % and maintain the current rice yield per unit area

    摘要通過2年水稻化學氮肥減量施用田間試驗及1年較大面積的推廣示範研究，結果表明：崇明常年高氮水平下的水稻栽培區，降低氮肥用量可以通過土壤高、中、低堿解n含量水平，以維持現有水稻單產為原則，針對性地選取減氮途徑進行減量， 2年結果可比習慣施肥減氮15 % ~ 20 % 。
  9. The soil physical properties have obvious vertical distribution characteristic in the slope. the bulk density in sunlit slope is greater than it in sunless slope, and change in the follow order in the slope : top < middle < lower. while saturated soil moisture, field capacity, and wilting moisture are on the contrary

    在地形上，土壤物理性質具有明顯的垂直分佈規律，陰坡除土壤容重外，飽和含水量、田間持水量和萎蔫濕度均大於陽坡；同一坡度和坡向下，容重從坡下向坡上遞增，飽和含水量、田間持水量和萎蔫濕度均從坡下向坡上遞減。
  10. According to physiognomy, the bulk density changed as the following order : upland > hills > hillslopes > gully slopes, the saturated soil moisture arranged as : hillslopes > hills > gully slopes > upland, while field capacity and wilting moisture are as follows : gully slopes > hills > hillslopes > upland

    在地貌上，土壤容重呈現出塬面梁頂溝坡梁坡，飽和含水量呈現出塬面溝坡梁頂梁坡，田間持水量和萎蔫濕度均呈現出溝坡梁頂塬面梁坡的趨勢。
  11. The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment

    為此，本文以黃土高原溝壑區典型小流域?王東溝為研究對象，通過大量的野外測定和室內分析，系統研究了流域土壤容重、土壤飽和含水量、田間持水量、萎蔫濕度、土壤入滲性能、土壤含水量和蒸散量的空間變異性，以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據，同時為建立基於數字高程模型（ dtm ）為基礎的流域水文模型積累基礎資料。
  12. It was found that the soil physical properties had significant spatial variability in the catchment scale because of the joint - influences of land use, topography, physiognomy, and other factors. the spatial variation is small for field capacity, moderate for wilting moisture and bulk density, and great for saturated soil moisture

    受地形地貌和土地利用等因素的綜合影響，土壤物理性質在流域尺度內存在顯著的空間變異，飽和含水量的空間變異性最大，土壤萎蔫濕度和土壤容重居中，田間持水量空間變異最小。
  13. Measuring unsaturated hydraulic characteristic parameters, such as capillary soil water, saturated soil moisture, field moisture, saturated conductivity etc., is not only expensive but also accuracy uncontrolled

    測量非飽和帶水力特性參數：毛管上升水、飽和含水率、田間持水率、給水度、飽和滲透系數等，即費時、費力又難以保證試驗精度。
  14. The field capacity and porosity increase gradually and bulk density decrease gradually. the significance linear regression between the field capacity and soil organic matter is discovered as well as porosity and bulk density

    此外，隨植被演替， 0 5cm土層田間持水量和孔隙度逐漸增加， 0 5cm土層容重逐漸降低，且均與有機質含量呈顯著線性正相關。
  15. ( 2 ) experiment analysis of swr soil moisture sensor because of cropland information excessive, ca n ' t experiment everyone, penman process soil containing water or moisture data experiment to vegetable terras cropland and gravel, prevailed experiment data, and draw experiment curve drawing of differ soil

    （ 2 ） swr型土壤水分傳感器的試驗分析由於農田信息繁多，不能一一研究，故筆者只對菜地、田間、礫石地分別進行了土壤含水量試驗，獲取了試驗數據，並繪出了不同土質的試驗曲線圖。
  16. After yearly burning, soil moisture content, porosity, separate coefficient, capillary and field moisture capacity increased, however, soil saturated water retaining capacity and unit weight decreased

    連年火燒使土壤含水率、孔隙度、分散系數、毛管持水量和田間持水量升高，而使土壤飽和持水量、容重下降。
  17. The correlation coefficients between soil moisture regime and soil n2o emission rate were positive in the lower soil moisture regime ( 8 to 58 percent wfps ), and soil n2o emission rate turned weaker and weaker when above the field moisture capacity ( 106 percent wfps ). the highest n2o emission rate occurred in the field moisture capacity. soil n2o emission rate was higher in 30 than in 10 in the lower soil moisture regime ( 8 to 58 percent wfps ), however, the trend was reverse when above the field moisture capacity ( 106 percent wfps )

    5水分含量低時（ 8 58 wfps ） ，土壤中n20釋放速率與土壤濕度呈正相關，並且隨著溫度升高釋放速率增大；土壤濕度接近田間持水量（ 58 wfps ）時，釋放速率最大；超過田間持水量（ 106 wfps ）時， n _ 2o釋放速率顯著降低，且30時的釋放速率小於10時的速率。
  18. We set up three soil water treatments : the first was saturation treatment, that is, relative water capacity ( rwc ) of soil approached water holding capacity ( whc ) and keep in 90 % - 100 %, dipped in water to make it renew saturation when rwc depress to 90 %. same to the second treatment ( moderate treatment, rwc : 50 % - 100 % ) and the third treatment ( drought treatment, rwc : 20 % - 100 % )

    共設3種水分處理，第一種飽和處理，土壤相對含水量（ rwc ）接近田間持水量，保持在90 100 ，當rwc降到90時，浸水使之達到飽和；同樣方法使第二種中度處理和第三種乾旱處理的rwc分別保持在50 100和20 100 。
  19. Then, based on the research results of remaining oil distribution qualitatively analyzing, the well - point remaining oil explanation pattern, the inter - well remaining oil interpretation pattern and remaining oil potential quantitative analysis pattern are established. the results of research work above offer definite remaining oil tapping objectives, and the application in the west 7th block, gudong oilfield, obtains good exploiting effect and higher economic benefit

    在此基礎上，分別利用油藏工程計算方法建立了井點剩餘油定量解釋模型、利用流線模型建立了井間剩餘油定量解釋模型、利用灰聚類分析方法建立了剩餘油潛力區定量評價模型，從而達到了特高含水期油田定量描述剩餘油分佈的目的。
  20. The physical and chemical properties of the soil were analyzed, including nutrient change and routine index of acidity and alkalinity, in addition, compared them with natural soil and studied their variation and correlation. the results as follows : the soil bulk density of harbin urban vegetation is higher, total porosity and field capacity are small

    對其土壤的理化性質和養分狀況等指標進行分析，並與松花江地區自然黑土進行了對比，研究其變化的趨勢和養分相關性。結果表明：哈爾濱城市綠地土壤容重較大，孔隙度和田間持水量少，有機質缺乏，養分含量較低，相關性差，土壤ph值呈中性，肥力水平低。
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