壤質化作用 的英文怎麼說

中文拼音 [rǎngzhíhuàzuòyòng]
壤質化作用 英文
loamification
  • : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南坡土的主要理隨海拔高度的上升呈有規律的變:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘層;土有機豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土多呈鹽基不飽和狀態,表明土淋溶較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土部分的92 ,礦元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. 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:土有機、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利方式無關;三大類土微生物細菌、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具有相同的趨勢,唯土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的退表現為亞表層優于表層的相反情況。
  3. The problem was one of liquefaction of the sandy soil.

    問題是沙的液
  4. Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period

    2 、就所選剖面分析來看,本區在全新世早期氣候回返,相對較寒冷乾燥,東亞冬季風影響較明顯,此時為沙層堆積向砂過渡,自北至南堆積的沙粒漸細;全新世中期氣候溫暖濕潤,東亞夏季風影響顯著,此時為明顯的成期,表現在自北至南普遍可見發育較好的黑壚土層,且南部的成比北部好,土的厚度也要大;全新世晚期至今,氣候向乾冷方向轉,但變幅度遠小於末次冰期。
  5. The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north

    實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積物的次生粘;磁率和全鐵很好地指示生物風; sr和rb sr比值能很好的指示生物風和淋溶;總有機碳( toc )含量的高低,在一定程度上反應了土發育過程中氣候和植被狀況的變,指示著成過程中腐殖的程度; caco3含量的變,可以反映了黃土古土形成時的風的強弱程度,指示成過程中的淋溶和次生碳酸鹽;並且各指標所指示的成環境和成強度存在明顯的區域差異,即渭河流域土的生物風、次生粘和淋溶均表現出南部強于北部。
  6. This paper summarized the disturbance effect of rodents on soil ( pedogenesis, patch formation, and physical and chemical properties ) and vegetation ( species diversity, productivity, and seed dispersion ), aimed to illustrate the contributions of rodents activities to desert ecosystem

    本文主要從鼠類活動對土(包括土發生過程、土斑塊的形成、土)和植物群落(包括物種多樣性、生產力、植物種子)的擾動效應做了歸納總結,旨在闡明鼠類在荒漠生態系統中的
  7. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時,研究還表明:調查洞穴的物種多樣性與人口密度、水成負相關;在一定范圍內,物種多樣性與肥施量、土肥力成正相關,超過一定的值則成負相關;在人類對地表植被的高強度下,物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關,斑灶馬數量與在一定水范圍內與水呈負相關,與土肥力呈負相關;群落數與水和土肥力、蚊蠅數量與水都不能表現較好的相關性;研究認為,可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾(或有尾類) 、魚類等為指示動物對洞穴環境進行監測。
  8. The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning

    本文首先對肥沃土與經高溫焚燒后的貧瘠土中的微藻數量、土ph值、有機含量、有效磷含量和全氮量進行比較研究,然後將包含微藻的綠苗圃地肥土按不同比例接種進入貧瘠土樣中,分別在光照條件和黑暗條件下進行培養,在0天、 30天、 60天和90天分別檢測以上指標,比較有光條件和無光條件下,即有藻條件和無藻條件下貧瘠土樣所發生的變,並分別對微藻數量的變與土ph值、有機含量、有效磷含量和全氮量的變之間做相關性分析,以評估肥沃土中的微藻接種進入貧瘠土后的生長情況以及對貧瘠土的改良。研究結果表明: ( 1 )土微藻對環境有較強的適應能力,且光照對其分佈起了決定性的
  9. Severe fires can often cause changes in successional rates and soil hydrologic functions, degradation of soil physical properties, alter c : n ratios, and result in subsequent nutrient loss through accelerated erosion, leaching or denitrification, and alterations in microbial populations and associated process can occur

    高強度火燒往往能引起演替頻率的改變,土物理性退,水文功能發生改變,改變c n比,加劇侵蝕、淋溶和反硝,導致養分流火,微生物數量及其相關過程發生變
  10. Pe pipe is suitable for many chemical solutions. naturally occurring chemicals in the soil will not degrade the pipe

    可耐多種學物的腐蝕,土中存在的學物不會對管造成降解
  11. They play important roles in the circulation of soil materials, development of soil, formation of soil micro - structure, improvement of soil physical and chemical properties, and the maintenance of soil living community

    它們在土循環、土的發育及其微團聚體的形成、土特性和土生物群落的維護等諸多方面都發揮了重要
  12. Took sha - zhuyu and east shore of qing - hai lake as the examples and based on the mass of field survey and soil analyse, took comparative method, we carried through the researches on the causes of the desertification, the origin of sandy desertificational land substance, the development diversification and difference of soil characteristic in process of manual and spontaneous vegetation recovery in high frigid regions and make out the taxonomy of desertificational land in high frigid region of china. the result obtained are summarized as follows : 1. the development of the desertificational land in high frigid regions is caused by the manual and spontaneous factors

    論文首次對高寒地區的砂荒漠進行系統研究,以沙珠玉和青海湖東岸為例,通過野外考察和土樣品室內驗,採對比分析的研究方法,對中國高寒地區荒漠的成因和研究區砂荒漠土地的形成演變,土發生特性、人工植被恢復和自然植被恢復過程中土的發育差異和性進行系統研究,並系統分類體系對研究區土進行類型劃分,得到主要結論如下: 1 、高寒地區荒漠的發生發展是在自然因素和人為因素共同下進行的,沙珠玉地區風沙土是就地產生的,青海湖東岸地區風沙土主要是由風從湖的西岸搬運而來的,兩地區砂荒漠發展仍然十分嚴重。
  13. Although the phosphorus transformation activity is not very low in the soil of alpine meadow ecosystem, the amount of available soil phosphorus is only 2. 6 ppm 5. 1 ppm

    磷素的轉活性與土溫度有機含量微生物數量等因子相關較明顯。磷素轉在植物草盛期
  14. On the 90th day, the content of organic matter of soil samples under illumination condition was 2 - 3 times more than that of the beginning. ( 4 ) micro - algae can decompose organic phosphorus into inorganic phosphorus and increase the content or the potential content of soil available phosphorus. ( 5 ) theoretically, because of some micro - algae ' s nitrogen fixation, the sterile soil ' s content of nitrogen should increase, but in 90 days, its increment could not be determined

    ( 3 )土微藻通過光合將二氧碳合成為有機物,增加土的有機含量,在90天的實驗期內,有微藻生長的土樣內的有機含量是對照組的2 - 3倍。 ( 4 )土微藻為溶磷微生物之一能夠將有機態磷礦成無機態磷,增加貧瘠土有效磷的含量或潛在的含量。
  15. Agricultural intensification plays an important role in stabilizing the food production in china, while bringing about an increasing negative impact on the soil and eco - environment as a result of the long - term highly - intensive land use and agricultural chemical overuse, thus leading to degradation of soil physical, chemical and biological properties, which are demonstrated as soil nutrient imbalance, soil acidification, pollutant accumulation, and biodiversity deterioration and posing serious stress and threat to the ecosystem per se and the environment

    摘要集約農業對保障我國糧食安全發揮了巨大的,但其長期的土地高強度利和農學品過量投入的負面影響也日益顯現,導致的以土養分失衡、土、有害物積累、生物多樣性衰退等為主要表現形式的土物理、學和生物學退,給生態系統本身與環境都帶來了巨大壓力和嚴重威脅。
  16. Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last

    本文採因素法定量評價各地塊定級單元的相關性和權重性,最終選定了有機含量、土層厚度、土地、鹽堿程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利方式等因子為定級的指標,使了加權加和因素法進行了的定級計算,逐步完成了農量情況的評價,劃分出了級別。
  17. As allelochemicals from plant root exudates are becoming a hotspot in the field of soil ecology, such problems as the nondestructive techniques for collecting in - situ and the identification of allelochemicals from plant root exudates should be emphasized in the future

    根分泌物的研究已成為土生態學領域的熱點與前沿課題,自然條件下原位收集鑒定植物根系分泌物中的感物等諸多問題是該領域今後的研究重點。
  18. ( 2 ) compared to secondary natural forest, the amount of three main types of microbes in rhizosphere soil of different age of larix olgensis plantation correspondingly decreased largely, enzyme activity in non - rhizosphere soil reduced, the biochemical activities abated, and soil physical and chemical properties deteriorated

    ( 2 )與天然次生林相比,落葉松人工林不同發育階段根際土三大類微生物數量均相應地有較大幅度的降低,非根際土酶活性減弱,土強度降低,土變壞。
  19. The decrease of organic matter and the increase of alkali - hydrolyzable nitrogen of the hydrogen treatment were higher than the control, and urease activity, nitrogen fixation arnmonification had the same tendency, and amino acids had also changed. hi addition, comparing the control, ph of hydrogen treatment was increase and eh was decrease, and microbe mass was also too

    與對照相比,氫處理培養有機減少量小、堿解氮的增量高,脲酶活性、固氮能力、氨都較強,並且不同種類的氨基酸也表現出各自相應的差異來。此外,土經氫處理后,土的ph上升, eh下降,土微生物生物量也呈減少趨勢。
  20. Soil quality - determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air - dry soils using calcium chloride solution as extractant iso 14255 : 1998

    量.使鈣溶液萃取劑測定干空氣土中的
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