soil depth 中文意思是什麼

soil depth 解釋
土壤深度
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  • depth : n. 1. 深；深度。2. （色澤的）濃度；（聲音的）低沉；（感情等的）深厚，深沉，深刻。3. 進深。4. 〈常 pl. 〉深處；深淵，深海，海。5. 正中，當中。6. 深奧，奧妙。
  1. At the same time 7794m3 affusion test were processed, and roadbed settlement observation conducted for two more year, physical mechanism and chemical index experiment were analyzed in the laboratory, section experiment of earth sample was proceed, changement of compacted soil body micromechanism along with depth were analysed by polariscope and scan electricscope. drain ditch, barrel - drain and little bridge were treated by composite geotextile

    在室內進行了物理力學、化學指標實驗分析，並對土樣結構進行了切片試驗，用偏光顯微鏡和掃描電鏡分析了土壤碾壓后沿深度分佈的土體微觀結構變化情況，對邊坡、邊溝、排水溝、小橋涵及護坡封水採用復合土工布進行處理。
  2. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的平均值來看，反硝化細菌的數量最高，嫌氣性自生固氮菌次之，再次為氨化菌和硝化菌。
  3. Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition

    至今，有機碳穩定性的主導機制尚不清楚，但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等有關。
  4. Contractile root a specialized root developed by certain bulb - and corm - forming plants that serve to pull the bulb or corm down to the appropriate depth in the soil, e. g. crocus

    收縮根：在某些具有形成鱗莖或球莖的植物中特化的根結構。收縮根的作用是把形成的鱗莖或球莖定位於土壤的某一特定深度，例如番紅花屬的植物。
  5. The coefficient of variation of saturated water content decreased with the depth of profile. the coefficient of variation of bulk density and field capacity fluctuate with depth of soil

    飽和含水量的變異系數都隨深度的增加逐漸降低，含水量、容重和田悶持水量的變異系數隨深度的呈波動變化。
  6. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。
  7. The activity of soil urease, acidphosphotase and invertase weakened with increase of soil depth

    各林地土壤脲酶、磷酸酶和轉化酶隨著土壤剖面的加深，其活性減弱。
  8. Corn yields of phaeozem in " flat type " " boundary soil ( depth < 15cm ) reached 6. 65t / hm2. in addition to, content of available, water, organic carbon. cation exchange capacity and available n was the most in " flat type " boundary soil ( depth = 30cm )

    在吉林玉米帶黑土土壤物理環境方面，兩種不同形狀界面構造土壤在三相組成、有效土壤量、持水性能等方面差異顯著，相關分析表明，吉林玉米帶黑土玉米產量與耕層厚度、有效水含量呈明顯相關關系。
  9. The results show that the physical and chemical conditions of the corn belt phaeozem have significant different in different profile morphological characteristics. in another way, soil composition of three phases, content of available water, nutrient content and composition of humus have significant different in different profile morphological characteristics. among three groups of profile morphological characteristics, corn yields of phaeozem in " flat type " boundary soil ( depth = 30cm ) were the most, reached 8. 22t / hm2on average. corn yields of phaeozem in " wave type " boundary soil ( depth = 15cm ) reached 7. 55t / hm2 on average

    這兩種界面構造對玉米產量影響差異顯著， 「平面型」界面土壤抗逆性較強，產量最高，平均產量達8 . 23t / hm ~ 2 ，而「波浪型」界面土壤抗逆性較差，它可以分為兩種情況：當耕層厚度15cm時，產量處于中等水平，平均產量為7 . 55t / hm ~ 2 ；當耕層厚度15cm時，產量最低，平均產量為6 . 65t / hm ~ 2 ，此種土壤處于丘陵漫崗區，產量受水土流失影響較大。
  10. Among these, yellow soil account for 80 % of the total area soil depth has negative relation with slope

    土層厚度與坡度呈負相關，而在母巖傾角大的地帶，由於坡度大的增大以薄層土壤居多。
  11. The numbers of phosphate - solubilizing bacteria were decreased rapidly with the increase of soil depth

    隨著土壤深度的增加，溶磷細菌的數量急劇下降，其中
  12. Effects of soil depth on decay speed of straw

    土壤深度對還田秸稈腐解速度的影響
  13. The result corrected by former result was to judge the land to be suitable for cultivation or not. in the end, productivity index threshold under different suitable - levels was determined by analyzing the frequency histograms distribution of 4 productivity index. the result shows that the productivity index criteria of reserved land in beijing is that altitude 800 m, slope 15, soil depth 30 cm and gravel content 15 %

    在生產性指標方面，以北京市土地開發復墾潛力調查評價為基礎，運用相關分析、主成分分析確定指標為海拔、坡度、土層厚度和礫石含量；對指標進行聚類，根據聚類結果對原有評價結果進行修正並判定后備土地資源的宜耕性；通過分析多因素綜合作用下四項指標的頻率分佈情況，確定上述四個生產性指標在不同宜耕等級下的閾值。
  14. As bottomland, soil depth and gavel content are not taken into account, altitude 800 m and slope = 5 are the criteria of unsuitable for cultivation temporarily

    對灘塗類單元，不考慮單元的土層厚度與礫石含量，以海拔800米且坡度5判斷其是否為當前不宜耕。
  15. By placing different rare earth elements ( ree ) in different soil depth and different section across one slope in an indoor plot, one simulated rainfall was applied to study the spatial - temporal process both of depth and section erosion across one slope plot simultaneously

    摘要室內交叉布設不同的稀土氧化物，通過人工模擬次降雨，在同一試驗條件下，對坡面侵蝕沿順坡方向和深度方向的演變過程同時展開研究。
  16. Based on typical sample, soil survey, environment survey and soil physical - chemical analysis, under the direction of chinese soil taxonomy, according to the principle of stability, discrepancy, dominant and integration of soil series taxonomy, applying to methods of statistic analysis and system integration, the selection of indexes of soil series taxonomy of hydragric anthrosols in chengdu plain soil series taxonomy soil series naming and index were systemically sturied. the results showed : ( l ) the main affectoi of hydragric anthrosols soil series in chengdu plain were : soil structure in 100cm soil depth ; fe2o3 ( dcb ) ; the texture of hydragric epipedon ( cultivation horizon ) ; the proportion of clay and salt in hydragric epipedon ( cultivation horizon )

    本文以成都平原主要水耕人為土為例，在中國土壤系統分類思想的指導下，通過典型采樣、土壤詳查、環境調查和室內理化分析，遵循土系分化影響因子的穩定性、差異性、主導性及綜合性等原則，利用統計分析和系統綜合分析等方法，對水耕人為土的土系劃分指標選取、土系劃分、土系命名及檢索等作了較為系統的研究。
  17. Pac increased correspondingly with the increase of soil fertility while pac decreased with the increase of soil depth

    隨土壤肥力提高， pac相應提高；但同一土壤中隨土層加深， pac呈下降趨勢。
  18. In the zinc deficient cumulic cinnamon soil of northern china often encountered by dry climate, although the storing water in lower soil depth could not promote early maize plant to take up more zn from soils, our research gave a clear point that soil water in upper soil layer was important to enhance the influence of zn application in topsoil on early maize growth

    表層土壤水分對苗期玉米植株鋅吸收總量有顯著影響，乾旱條件下，玉米植株鋅吸收總量下降；底層土壤水分供應狀況對玉米鋅濃度影響不大，但植株中鋅向地上部運轉增加。
  19. The results show that the majority of 7be is retained in the top one centimeter of soils, and the concentration of 7be decreases exponentially with soil depth. for the cultivated study field, the depth distribution of 7be is very similar to the undisturbed site when it is n ' t subjected to erosion or deposition. for the undisturbed, there is abroad peak in the 137cs profile close to the surface and the maximum concentration is found circa 2 cm below the surface

    ~ （ 137 ） cs在未擾動土壤剖面中主要分佈在0 5cm范圍內，同時在1 3cm的范圍出現一個~ （ 137 ） cs的相對富集層，在3cm以下隨土壤深度的增加呈指數遞減的趨勢； ~ （ 137 ） cs在農耕地土壤剖面中主要分佈在0 20cm范圍內，由於耕作活動的不斷擾動~ （ 137 ） cs的剖面分佈相對均勻。
  20. The results turned out to be : 1 ) swr soil moisture sensor have higher precision and stronger practical value. 2 ) different soil and different soil depth, soil containing water or moisture data is disciplinarian transform

    試驗結果表明： 1 ） swr型土壤水分傳感器具有較高的精度和較大的實用價值； 2 ）對于不同土質、不同的土層深度，土壤含水量都是呈規律變化的。
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