最小含水量 的英文怎麼說

中文拼音 [zuìxiǎohánshuǐliáng]
最小含水量 英文
minimum moisture content
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 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...
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河位的沙因素,及僅用沙因素有效研究位的可行性,並按變對應思想採集它們的相應數據;其次,由於相應位過程數據中極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低沙類洪相應位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪位過程的擬合誤差都較後,明確黃河下游位的主要影響方式,即主要是與其它因素聯合對位作用;另外分析了要實現變動河床洪位過程準確預報的困難所在及改進方向。
  2. As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability

    龍須草能改善紫色土荒坡地的生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的;增加土壤和貯,減緩和減少土壤的分蒸發,增強土壤的抗旱能力;降低土壤盛夏的地表高溫度,減少地表溫度變化幅度。
  3. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強度特徵為研究對象,通過大的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強度、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載比值受填料及其中泥巖的影響,當泥巖於一定值時,昔格達混合填料具有較高的承載比值,能夠滿足高速公路對填料的低強度要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )標準;對于昔格達填料而言,佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實相區別的施工的概念。
  4. Abstract : soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad - leaved / korean pine forest ( mountain dark brown forest soil ), dark coniferous forest ( mountain brown coniferous forest soil ) and erman ' s birch forest ( mountain soddy forest soil ) in changbai mountain in september 2001. the soil water content was adjusted to five different levels ( 9, 21, 30, 37 and 43 ) by adding certain amount of water into the soil cylinders, and the soil sample was incubated at 0, 5, 15, 25 and 35 for 24 h the results indicated that in broad - leaved / korean pine forest the soil respiration rate was positively correlated to soil temperature from 0 to 35. soil respiration rate increased with increase of soil water content within the limits of 21 to 37, while it decreased with soil water content when water content was over the range. the result suggested the interactive effects of temperature and water content on soil respiration. there were significant differences in soil respiration among the various forest types. the soil respiration rate was highest in broad - leaved / korean pine forest, middle in erman ' s birch forest and the lowest in dark coniferous forest. the optimal soil temperature and soil water content for soil respiration was 35 and 37 in broad - leaved / korean pine forest, 25 and 21 in dark coniferous forest, and 35 and 37 in erman ' s birch forest. because the forests of broad - leaved / korean pine, dark coniferous and erman ' s birch are distributed at different altitudes, the soil temperature had 4 - 5 variation in different forest types during the same period. thus, the soil respiration rates measured in brown pine mountain soil were lower than those in dark brown forest and those measured in mountain grass forest soil were higher than those in brown pine mountain soil

    文摘:為了研究土壤溫度和土壤對闊葉紅松林(山地暗棕壤) 、雲冷杉暗針葉林(山地棕針葉林土壤)和岳樺林(生草森林土)的土壤呼吸的影響,於2001年9月在長白山進行了土壤實驗.利用增加土壤樣柱的,將土壤分為9 , 、 21 、 30 、 37和43 5個等級,土壤樣品分別在0 、 5 、 15 、 25和35的溫度下保持24時.闊葉紅松林土壤在0 ( 35范圍內,土壤呼吸速率與溫度呈正相關.在一定的范圍內( 21 ( 37 ) ,土壤呼吸隨的增加而升高,當超出該范圍,土壤呼吸速率則隨的變化而降低.土壤溫度和分對土壤呼吸作用存在明顯的交互作用.不同森林類型土壤呼吸作用強弱存在顯著差異,大順序為闊葉紅松林>岳樺林>雲冷杉暗針葉林.紅松闊葉林土壤呼吸作用的佳條件是土壤溫度35 ,37 ;雲冷杉暗針葉林下的山地棕色針葉土壤呼吸作用的佳條件是25 , 21 ;岳樺林土壤呼吸作用的佳條件是35 ,37 .但是,由於長白山闊葉紅松林,雲冷杉林和岳樺林處在不同的海拔帶上,同期不同森林類型土壤溫度各不相同,相差4 ~ 5 ,所以野外所測的同期的山地棕色針葉林土呼吸速率應低於暗棕色森林土呼吸速率,山地生草森林土呼吸速率應高於山地棕色針葉林土的呼吸速率.圖2表1參25
  5. Soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad - leaved / korean pine forest ( mountain dark brown forest soil ), dark coniferous forest ( mountain brown coniferous forest soil ) and ermans birch forest ( mountain soddy forest soil ) in changbai mountain in september 2001. the soil water content was adjusted to five different levels ( 9, 21, 30, 37 and 43 ) by adding certain amount of water into the soil cylinders, and the soil sample was incubated at 0, 5, 15, 25 and 35 for 24 h the results indicated that in broad - leaved / korean pine forest the soil respiration rate was positively correlated to soil temperature from 0 to 35. soil respiration rate increased with increase of soil water content within the limits of 21 to 37, while it decreased with soil water content when water content was over the range. the result suggested the interactive effects of temperature and water content on soil respiration. there were significant differences in soil respiration among the various forest types. the soil respiration rate was highest in broad - leaved / korean pine forest, middle in ermans birch forest and the lowest in dark coniferous forest. the optimal soil temperature and soil water content for soil respiration was 35 and 37 in broad - leaved / korean pine forest, 25 and 21 in dark coniferous forest, and 35 and 37 in ermans birch forest. because the forests of broad - leaved / korean pine, dark coniferous and ermans birch are distributed at different altitudes, the soil temperature had 4 - 5 variation in different forest types during the same period. thus, the soil respiration rates measured in brown pine mountain soil were lower than those in dark brown forest and those measured in mountain grass forest soil were higher than those in brown pine mountain soil

    為了研究土壤溫度和土壤對闊葉紅松林(山地暗棕壤) 、雲冷杉暗針葉林(山地棕針葉林土壤)和岳樺林(生草森林土)的土壤呼吸的影響,於2001年9月在長白山進行了土壤實驗.利用增加土壤樣柱的,將土壤分為9 , 、 21 、 30 、 37和43 5個等級,土壤樣品分別在0 、 5 、 15 、 25和35的溫度下保持24時.闊葉紅松林土壤在0 ( 35范圍內,土壤呼吸速率與溫度呈正相關.在一定的范圍內( 21 ( 37 ) ,土壤呼吸隨的增加而升高,當超出該范圍,土壤呼吸速率則隨的變化而降低.土壤溫度和分對土壤呼吸作用存在明顯的交互作用.不同森林類型土壤呼吸作用強弱存在顯著差異,大順序為闊葉紅松林>岳樺林>雲冷杉暗針葉林.紅松闊葉林土壤呼吸作用的佳條件是土壤溫度35 ,37 ;雲冷杉暗針葉林下的山地棕色針葉土壤呼吸作用的佳條件是25 , 21 ;岳樺林土壤呼吸作用的佳條件是35 ,37 .但是,由於長白山闊葉紅松林,雲冷杉林和岳樺林處在不同的海拔帶上,同期不同森林類型土壤溫度各不相同,相差4 ~ 5 ,所以野外所測的同期的山地棕色針葉林土呼吸速率應低於暗棕色森林土呼吸速率,山地生草森林土呼吸速率應高於山地棕色針葉林土的呼吸速率.圖2表1參25
  6. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的衰減,其中汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、大的雲,由於強衰減的作用, 94ghz雷達回波信號於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,未來測雲雷達系統好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  7. In ported trials, wu gave the minimum tr of all plants, and its diurnal maximum tr persisted stability the most within the range of soil moisture 20. 4 % - 6. 4 %. ; nx lowered its tr and shrank its high - low lines after had experienced irregular wet - drought hardening period during culturing ; kerqin performed a plasticity as compared to field ; c. lanata also stood the most stability but on the basis of middle - high maximum tr level ; tr by caragana korshinski was high when soil water was abundant, but was lowest for lack of water ( 6. 4 % )

    盆栽試驗表明,華北駝絨藜蒸騰弱,且在土壤20 . 4 6 . 4的范圍內高蒸騰速率穩定性強;經脅迫鍛煉寧夏駝絨藜蒸騰降低,變幅減;科爾沁駝絨藜與大田相比蒸騰可塑性較強;土壤分變化中,北美駝絨藜蒸騰在中高平上維持穩定的能力強;分良好時檸條蒸騰很強,分脅迫中蒸騰極大降低。
  8. The results of the uni - factor experiments and perpendicular experiments show their best mechanic synthesizing craft as followed : nvp ( 10 % wt ), kh570 ( 20 % wt ), hema ( 70 % wt ), initiator ( 0. 2 % wt ), crosslinker ( 20 % wt ), reacting 20 hours under 80 c. the factors which influenced organic silicon modified pvp hydrogel soft contact lens material ' s swelling capabilities were researched, which included temperature, monomer content, ion concentration etc. the experiments showed the equation swelling content ewc improved with the increase of nw, droped with the increase of kh570 and ion concentration, improved then droped with the raise of temperature, and hydrogels got the least ewc at 45 c. experiment carried on todiscuss water dehydration mechanism of organic silicon modified pvp hydrogel soft contact lens materials, which showed dehydration process could be divided into evaporating stage and diffusing stage

    正交實驗結果表明, nvp ? hema ? kh570共聚物的機械性能佳時,其合成工藝條件為: nvp用10 (質百分,下同) , kh570用20 , hema用70 ,引發劑aibn用0 . 2 ,交聯劑nmba用0 . 2 ,反應溫度為80 ,反應時間16h 。討論了單體配比、溶脹溫度、離子濃度等因素對有機硅改性pvp凝膠軟接觸透鏡材料溶脹性能的影響。實驗得出:凝膠材料的平衡溶脹度ewc隨單體nvp的增加而增大, ewc隨kh570用的增加而減,隨離子濃度的增大而略微降低,隨溶脹溫度的升高先稍微下降後有所提高, 45時平衡低。
  9. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤分的敏感性,建立了半經驗植被雷達後向散射模型; 2 ) .研究發現在農作物等矮植被覆蓋地表,植被層直接後向散射與植被類型相關,且在植被生長期,雷達後向散射系數對植被的敏感性要高於對植被高度變化的敏感性; 3 ) .解決了單參數雷達地表土壤分反演問題中,雷達入射角和地表粗糙度的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積的影響; 5 ) .在以上成果基礎上,建立了完整的單參數雷達地表土壤分變化探測反演演算法,經地表驗證,模型反演地表土壤分變化值的精度為rmse = 0
  10. ( 2 ) after a rainfall, the soil moisture in the plot iii was the highest, it was 21. 33 %, and that of in the plot ii was the lowest ; meanwhile the conservation ability of the soil in the plot iii was the highest, that of in the plot ii was the lowest

    第1 、 2區產生的泥沙也大於其餘兩個區。 ( 2 )在一次降雨後的濕潤條件下,第3區的土壤耕作層高,為21 . 33 ;第4區次之,第2區低。
  11. Under the conditions of dry, optimum moisture content or half of optimum moisture content and three kind diameter of loading boards, the main factors relative to modulus of resilience are also studied through the test of modulus of resilience

    在乾燥、、一半和三種不同直徑大承載板情況下做回彈模試驗,研究了影響回彈模的主要因素。
  12. N sources ( including organic and inorganic n tested ) and c sources tested could restrain methane oxidation. cellulose inhibited methane oxidation most weakly while the high concentration of methanol and glucose did dramatically, but the proper concentration of methanol could stimulate soil methane oxidation sharply. in the middle process of methane oxidation, addition of glucose could restrain methane oxidation shortly but the inhibition could be relieved about 5 days later when supplied again with enough oxygen

    土壤微生物是甲烷氧化的主要生物類群,對土壤甲烷氧化活性有明顯影響,過高或過低對甲烷氧化均具有抑制作用;氮源(包括有機和無機氮源)對甲烷氧化均有抑制作用;不同碳源對甲烷氧化的影響各異,纖維素對甲烷氧化抑制作用,而高濃度的甲醇、葡萄糖則對甲烷氧化具有強烈抑制作用;而適當濃度的甲醇可極大促進土壤對甲烷的氧化:在甲烷氧化過程中加入葡萄糖能迅速抑制甲烷氧化;在加入葡萄糖的同時保持瓶中充足的氧氣,則這種抑制作用可以在重新培養一定時間后得到解除。
  13. 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,飽和的空間變異性大,土壤萎蔫濕度和土壤容重居中,田間持空間變異
  14. However, for the same river, the obvious regularity exists in critical starting condition and the physical and mechanical indexes : the critical starting condition of the muddy cohesive soil increases with the decrease of the shear strength and decreases with the increase of the moisture content ; the critical starting condition of silty clay is the minimum, and the relation of the clay, the shear strength and the moisture content is nonlinear ; and the critical starting condition of the cohesive soil increases with the increase of the shear strength and the moisture content

    而對同一條河流而言,起動臨界條件與物理力學指標之間則存在明顯的規律性:即對淤泥質粘土,起動臨界條件隨抗剪強度的減而增大,隨的增大而減;粉質粘土的起動臨界條件,與抗剪強度、呈非線性關系;粘土起動臨界條件則隨抗剪強度、的增大而增大。
  15. During continuous loading, the loess ' s structure is destroyed completely at the point of the least secant modulus and the loess ' s deforming process goes into the third stage after it the experiential - analytical solution of the secant modulus of different stages is deduced and the influence of water content is analyzed

    本文提出了即時割線模的概念,認為在荷載連續施加過程中,割線模的點即結構完全破壞點,此後即進入第三階段。通過分階段進行分析探討,得出了各個階段的割線模的經驗解析解,並分析了對其產生的影響。
  16. 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( 58 wfps )時,釋放速率大;超過田間持( 106 wfps )時, n _ 2o釋放速率顯著降低,且30時的釋放速率於10時的速率。
  17. The result showed that physiological response were mainly affected by concentration of peg and less affected by time of peg ( 6000 ) treatment. relative water content of leaves root activity, and growth of roots and plants showed a less reduction under 10 - 20 % peg ( 6000 ) treatment, but ratios of root cap, and contains of soluble sugar, contain of pro and potassium showed a less increase. all those just described indexes showed a marked change under 25 % peg treatment

    在10 20的peg濃度脅迫下,葉片相對、根系活力、根系及地上部生長下降的幅度較;根冠比、可溶性糖、脯氨酸( pro ) 、 k ~ +上升的幅度也較,而在25的peg濃度脅迫下上述指標發生了很顯著的變化,葉片相對、根系活力明顯下降,可溶性糖出現的時間較20濃度脅迫的提早3d ,且較20時的,並在延長處理3d后又開始下降,根系和地上部的生長受到嚴重抑制,且地上部影響大於根系,根冠比顯著增大,脅迫後期趨于恆定狀態,生長幾乎完全停止。
  18. According to the results of other researchers, the strength of cement - stabilized soil reinforced with different nanometerial are compared. the studies shows that the ucs of narcss increases with the increase of curing period, increases firstly and then falls with nano - al2o3 mixing ratio, and increases with cement mixing ratio. according to the influencing degree, the main factors can be rated as following : cement mixing ratio, water content, nano - al2o3 mixing ratio, the w / c ratio

    研究表明:摻納米材料al _ 2o _ 3泥土強度隨齡期的增加而增長;隨納米鋁摻入比增加呈先增大后減的趨勢,峰值出現在納米鋁摻入比為5左右;隨泥摻入比的增加而增加;在影響納米鋁泥土強度的各因素中,泥摻入比的影響為顯著,土樣影響次之,納米鋁摻入比的影響再次之,而灰比的影響較
  19. The unsaturated soil water movement formula is adopted for calculated the transient water content within the slope. with equilibrium method the stability of soil - nail bracing structure of unsaturated soil slope is analyzed considering the connection between the shear strength of unsaturated soil and water content. genetic algorithm is introduced for searching the minimum factor of safety of natural slope and soil - nail bracing in unsaturated soil

    運用非飽和土分子運動方程,求解降雨入滲條件下邊坡土體的瞬態體積,又考慮到其與非飽和土抗剪強度的關系,利用極限平衡理論推導了非飽和土邊坡土釘支護整體穩定性安全系數f _ ( s , min )公式。
  20. This article mainly emphasize on the classification of coarse grained soil from the viewpoint of engineering application ( content of coarse grains ), vibrating method is introduced in the shaping. meanwhile, research is made to the water stability and shear strength. through research, following conclusions are obtained : coarse grained gradation is the main factors to determine its shear strength, when the coarse grains content is over 70 % or around, the maximum shear strength appears : the grains itself have a bigger effect on the shear strength

    以往對粗粒土的研究方法多採用擊實法,很少有人研究其抗剪強度特性,本文主要從工程應用的角度(粗粒)對粗粒土進行工程分類,成型方法採用振動法,同時對穩定性、抗剪強度特性進行研究,通過研究得出以下結論:顆粒組成級配特性是決定其抗剪強度的主要因素,當粗粒在70左右時,抗剪強度大;顆粒本身的特性對抗剪強度影響較大,顆粒越堅硬、大顆粒相差越大、越不均勻、顆粒形狀越呈稜角狀、填築密度越大,抗剪強度就越高;對抗剪強度的影響很,可以忽略不計。
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