極地土壤 的英文怎麼說

中文拼音 [derǎng]
極地土壤 英文
arctic soil
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
  • 極地 : [地理學] polar region極地冰 [海洋學] polar ice; polar cap ice;極地冰川 [水文] polar glacier;極地...
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有下雙層結構,可溶巖造能力低,巖溶水空間分佈不均、下水關系密切、水源易漏失,偏堿性環境、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶質與生態環境十分脆弱,受到人為因素的影響和破壞,易產生石漠化、侵蝕與退化等一系列問題。
  2. ( 3 ) filtration irrigation greatly unproved the soil about the maize - the micro moisture environment

    ( 3 )滲灌改善了玉米的?水分微環境。
  3. Applying the radar technology to estimate relative change of soil moisture in vegetated area

    應用化雷達估算農作物覆蓋水分相對變化
  4. Soil microbial biomass and viable population size ( plant counts ) were negatively affected by the elevated metal levels, but the size of soil basal respiration rate and microbial metabolic quotients were positively influenced by the increasing heavy metal pollution levels. microbial community structure also changed with increasing contamination, as indicated by biolog data and principal component analysis of biolog community metabolic profiles. soil microbial metabolic profiles ( awcd ) values, community richness and diversity index in mine - soils decreased remarkably as compared

    相關分析結果表明,重金屬含量和基礎呼吸、微生物量cfn 、代謝剖面( awcd ) 、微生物商( cmic / corg ) 、代謝商( qc02 )與人工栽培的香根草植物上部分呈顯著或顯著正相關(卜0 . 6653飛0 . 8945 」 ) ;微生物量c 、微生物量n 、生化作用強度、酶活性、群落shannon指數( h )和微生物群落豐富度( s )與人工栽培的香根草植物上部分生物量呈顯著或顯著負相關( r =一。
  5. On the other side, measuring errors of grounding resistance and solution of current voltage electrodes reversing has been compared with horizontal two layers and vertical delaminating ( three layers soil )

    比較分析了電流電壓反向布置、在水平雙層和垂直分層或三層結構中接電阻測量的誤差和解決辦法。
  6. Permanently frozen subsoil, occurring throughout the polar regions and locally in perennially frigid areas

    永凍永久冰凍的下層,出現在整個北區和部分長期寒冷的
  7. It creates the model of layer soil by using the cdegs software, analyses the resistance error which is measured by traditional three - poles way, measures the grounding grids resistance and soil resistance rate of hejin power plant, creates the electromagnetic model of layer soil and grounding grids model of hejin power plant, calculates the step voltage > touch voltage n voltage distribution of earth surface in fault of hejin power plant. in the end, it compares the measuring value and calculating value of grounding grids resistance in hejin power plant

    本文利用cdegs軟體建立分層模型,對傳統三法測量接電阻誤差進行分析;對河津電廠接網接電阻和電阻率進行測量;建立河津電廠分層電磁模型和接網模型;計算河津電廠接網電阻和事故狀態下跨步電壓、接觸電壓和表電位分佈;最後對河津電廠接網電阻實測值與計算值進行比較分析。
  8. This made her no - tillage fields no different from the traditional ones. this resulted in undermining the role of crop residues in keeping moisture and raising soil fertility

    免耕很快便與傳統耕作毫無差異,降低了留秸稈根茬保水保墑提高肥力的作用。
  9. Forests as an adjuster for ecological balance in mountain areas play important roles in soil and water conservation, runoff and silt retardance etc. especially, forests are regarded as " forest reservoir " due to their great hydrological regulation functions through canopy, undergrowth, litterfall and soil layers

    森林是山生態平衡的重要調節器,特別是其水源涵養、理水保、緩洪滯淤的功能對于山面積大的福建省顯得為重要。森林通過林冠層、林下植被層、枯枝落葉層以及層發揮良好的涵養水源、保持水、削峰滯洪等「森林水庫」的功能。
  10. Compared to the control, concentrations of cu and zn in e. splendens were significantly higher in the treatment of edds plus microbial product, and then markedly enhanced plant cu and zn uptake. edds application alone increased pb concentration in the above ground parts of e. splendens plants. the treatment of microbial product or chitosan alone had no significant effect on metal concentrations in e. splendens

    發現3mmoll ~ ( - 1 )乙二胺二琥珀酸( edds )和微生物制劑的聯合處理可以顯著提高海州香薷上部銅含量與積累量,同時也提高植物對鉛、鋅的吸收量,強化了復合污染的植物修復作用。
  11. The forecast of the geographical equilibrium point of k has been made using different methods. the result indicates that the order of the geographical equilibrium point of k is : total k > l / 2k > - k, ck. 5. the result indicates that the geographical equilibrium point of 1 / 2k is the most suitable one for the sustainable use of land and fertilizer resource

    用灰色限推測理論和時間序列分析對作物收獲后的鉀素理平衡點進行了預測,結果表明平衡點順序為:全k處理> 1 2k處理> - k處理、 ck處理, - k的平衡點與ck接近,兩者差異不顯著,而施用鉀肥的外源平衡點高於內源平衡點。
  12. The differences of biodiversity indices and vegetation coverage between the designed vegetation restoration pattern and the field data indicated that alpha and beta diversity indices were decreased in some parts of the region after vegetation restoration, however, vegetation coverage was reasonably increased, which would enhance the capability of soil and water preservation, thus could improve the ecological security of the region

    通過對比分析現狀植被蓋度及生物多樣性與植被恢復格局預測結果的差異,對區域植被恢復的效果進行評價,認為盡管植被恢復格局設計使部分區域生物多樣性下降,但它整體提高了表植被覆蓋度,增強了抵禦侵蝕的能力,對保障區域生態安全具有積的效果。
  13. The simulated results indicate that the non - uniformity is further intensified due to the bitumen sand base ; soil resistivity in the position where auxiliary anodes are placed has significant effect on potential distribution ; there is a buried depth of anode for optimal potential distribution under different geological conditions

    結果表明:罐底瀝青砂基礎會加大電位分佈的不均勻性;陽理深處的電阻率時整個罐底的電位均有顯著影響;在不同質條件下進行深井陽保護時,存在一個使電位分佈效果最佳的陽埋深點。
  14. The altitude variation of the distribution of the different malus species in china reaches nearly 4000 meters, and they grow on various types of soil, even on desert, alkaline soil and on overhanging rocks and steep cliffs

    在我國,蘋果屬植物不同種類分佈的生境差異大,生長的海拔范圍差異近4000米,能生長在各種不同類型的上,甚至沙漠、鹽堿到懸崖峭壁上都能生長。
  15. Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous

    本文以系統分類理論為指導,以四川盆侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色為研究對象,利用spss統計軟體相關功能,結合供試的自然景觀、剖面形態和室內測定的理化性質,對系分化的影響因子、系劃分指標和檢索順序進行了系統的探討,結論如下: ( 1 ) 、供試紫色中有機質、全氮、全磷、全鉀和顆粒組成與多個性質均呈顯著或顯著相關;有機質、碳酸鈣、有效磷、顆粒組成等性質在供試方差分析中變異系數均較大;體構型及體的深度對性質也有深刻影響。
  16. We, then, parameterized a semi - empirical model for the different land surface cover types. this semi - empirical model was applied to minimize the effects of the vegetation volume scattering and extinction in radar measurements

    此外,目前星載合成孔徑雷達如ers - 1 2 、 radarsat等均為單一頻率、單一化的雷達,無法從得到的單參數雷達後向散射系數中直接提取水分信息。
  17. This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales

    但由於電磁波與表相互作用的復雜性,雷達後向散射系數除受表介電常數(水分)影響外,還受到表粗糙度、類型、植被覆蓋以及雷達入射角、頻率、化等多種因素的影響。
  18. Using a simple radiative transfer model for vegetation volume scattering and the integral equation model ( ibm ) for surface scattering with the field in situ measurements as the input, we compared the simulated and sar measured backscattering coefficients in different agricultural fields

    特別是在植被覆蓋表,對其下水分的監測更帶有大的困難性。因此,利用雷達後向散射系數反演水分必須首先充分理解微波與表的相互作用過程。
  19. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中,首先利用基於微波輻射傳輸方程的微波植被模型和積分方程( iem )模型模擬了各種水分含量情況下,植被覆蓋、表粗糙度(包括表均方根高度和相關長度) 、雷達入射角對c波段(頻率4 . 7ghz )水平化( hh )雷達後向散射系數的影響,在此基礎上,建立模型消除了植被覆蓋、表粗糙度、及雷達入射角對雷達後向散射的影響,利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了水分變化模式信息。
  20. The utilization of c sources by a methanotrophic isolate from the soil was also detected. it was supposed that the facultative methanotrophs might be dominant for methane oxidation as methane released weakly in the greenhouse soil

    此外,還研究了從中分離的甲烷氧化菌對碳源的利用情況,表明在甲烷釋放少的設施栽培中,兼性營養的甲烷氧化菌可能在甲烷氧化中占據主導位。
分享友人