濕地土壤 的英文怎麼說
中文拼音 [shīdetǔrǎng]
濕地土壤
英文
wetland soil-
After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil
實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明:土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有機質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。Through monitoring the growth of wetland plants mainly common reed and cattails and assaying o g and tph in soils according to timelapse, the function of wetland degrading oil pollution was validated. the petroleum pollutants in the surface layer of soil were decreased by eluviations and degradation
通過監測濕地植物蘆葦香蒲等的長勢和化驗土壤中總石油烴tph及油和脂o g隨時間的變化,以探討濕地狀態對石油污染和植物長勢的影響。Through monitoring the growth of wetland plants mainly common reed and cattails and assaying o g and tph in soils according to time ? ? lapse, the function of wetland degrading oil pollution was validated. the petroleum pollutants in the surface layer of soil were decreased by eluviations and degradation
通過監測濕地植物蘆葦香蒲等的長勢和化驗土壤中總石油烴tph及油和脂o g隨時間的變化,以探討濕地狀態對石油污染和植物長勢的影響。For some wetland plants such as reed and cattail, a small quantity of petroleum pollutants did not form deadly menace, their growing tallness was positive correlated with water deepness. therefore, wetland buffer can be constructed to reduce the impact of petroleum pollution and plant adaptive wetland vegetation so as to improve the environment of oil field
結果顯示:濕地環境對土壤中的石油污染有明顯的降解作用,蘆葦等挺水植物的生長量與積水深度呈正相關,土壤中少量含油並不構成對濕地植物生長的威脅。The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau
但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 ( 3 )西北地區季與年區域旱澇等級表明:西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期,氣候較濕潤,土壤濕度增墑較明顯; 1990 』 s中期以後是40年乾旱最異常的時段; 1960 』 s旱澇交替發生,旱澇趨勢接近常年; 1970 』 s氣候雖乾旱,但沒有1990 』 s中後期顯著。To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍地形和天空散射光均得到適當考慮,計算量又在可接受范圍內。This paper is researched about some arrangement for the design and the construction of the oil factory in south china a present problem such a violent typhoon and heavy raining, thunder and lightning, hot weather, higher humility, earth subside, water corrosion and air corrosion
摘要根據南方地區存在多臺風、多暴風雨和多雷電,高溫和高濕度,土壤沉降,水腐蝕和氣腐蝕等情況,討論在南方建油廠設計和施工中應對的一些措施。Dynamic change and environmental effects of soil microorganism in marsh soils from carex meyeriana wetlands in changbai mountain
長白山溝谷濕地烏拉苔草沼澤濕地土壤微生物動態及環境效應研究Charcoal making is a process for separating wood and bamboo into its solid, almost pure carbon component and its volatile liquid component by means of a chemical reaction known as thermal decomposition
燒成的炭可成為一種用途廣泛的資源,如地下調濕炭,土壤改良劑等等。這種燒炭方式把木材竹材通過熱分解化學反應將固體成分的炭素和水分分離開來。At the edge of many lakes and rivers are saturated wetlands ? the swamps, bogs, and marshes ? that support myriad types of plant and animal life, prevent floods, retain sediments, and purify drinking water
許多河流湖泊的邊緣都是潮濕的土壤? ?沼澤、泥沼和濕地? ?那裡生長著各式各樣的動植物,是防洪、沉積物聚集和凈化飲用水的地方。Seasonal variation of alkaline hydrolysis n in marsh soils in xianghai wetlands
向海沼澤濕地土壤堿解氮含量的季節變化特徵研究Seasonal dynamic variations in nitrate nitrogen in marsh soils from phragmites wetlands in xianghai national natural reserve
向海蘆葦沼澤濕地土壤硝態氮含量的季節動態變化The results indicate that : purification efficiency of phenol was better of wetland soil in which was not reed - planted ; both the residence time of phenol in soil and the range of particle size affected the adsorption ability of wetland soil ; through changing soil infiltration and physicochemical properties of rhizosphere, reed can affect adsorption ability of wetland soil on phenol
結果表明,未生長蘆葦的濕地土壤對苯酚具有較好的凈化效果;苯酚在土壤中滯留時間、土壤的粒徑范圍均影響濕地土壤對苯酚的吸附能力;蘆葦能改變土壤入滲率和根際土壤的理化性質,從而影響濕地土壤對苯酚的吸附能力。4. soil respiration emission of co2 at testing woodland and uncovered land changes sensitively with the three factors, such as soil temperature, vegetation and humidity. but it is mainly controlled by soil temperature, secondly humidity and vegetation
對林地和裸地土壤coz釋放量觀測中,溫度是影響土壤coz釋放量的主要因子,其次為土壤濕度和地表植被。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。2. on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures, using curve - fitting techniques, a soil infiltration rates model was woke out, the accuracy of the model is tested by a series of experiment data, the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau. 3. using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates
( 3 )採用土壤穩定入滲速率、坡面開始產流時間、土壤濕潤鋒面下滲深度三個指標來反映坡耕地土壤入滲影響(土壤性質、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等)因素效用大小,建立了各因素與三個指標的關系模型,詳細分析了不同水土保持耕作措施強化土壤入滲的影響,其中等高耕作作用最為顯著,其次是人工掏挖和人工鋤耕。Application of geo - statistics in spatial heterogeneity of soil nutrients in wetlands
地統計學在濕地土壤養分空間異質性研究中的應用Spatial distribution characteristics and ecological effects of carbon and nitrogen of soil in huolin river catchment wetland
霍林河流域濕地土壤碳氮空間分佈特徵及生態效應Through experiments of static degradation and dynamic soil column, both purification efficiency of phenol and influences of reed wetland soil were studied
摘要用動態土柱法和靜態降解法研究了蘆葦濕地土壤對苯酚的凈化效果及其影響因素。On one hand, the lowland soil is kept flooded throughout rice growing season, therefore, they are very much diversified by the properties of the different soils from which they originated
一方面,濕地土壤在稻作季中始終保持淹水,它們比原來的土壤有絕然不同的性質。分享友人