酸性土地 的英文怎麼說

中文拼音 [suānxìngde]
酸性土地 英文
sour land
  • : 酸構詞成分。
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 酸性 : [化學] acidity; acidness; acerbic; acidic property酸性材料 acid material; 酸性促進劑 acid acceler...
  1. Soils that are acidified enhance the cadmium uptake by plants

    使植物更容易吸收壤中的鎘。
  2. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

    本文通過渭河流域全新世黃的光曬退實驗,表黃樣品的d _ e值測定,細顆粒單片的預熱、反常衰退、紅外暴露實驗,說明釋光測年在全新世黃中應用的可行及單片再生劑量法( sar )在黃細顆粒中的適用;為了從黃中分離出足夠的粗顆粒,進行了純石英和長石的氫氟( hf )和氟硅( h _ 2sif _ 6 )溶蝕實驗,黃粗顆粒石英溶蝕分離實驗;通過細顆粒單片、多片的blsl 、 irsl和post - irosl ,熱釋光,及粗顆粒石英的blsl的年代測定,選擇適于全新世黃的釋光測年方法,並建立了渭河流域全新世黃的年代序列。
  3. The copper, iron, nickel and silver deposits might be assigned to four metallogenic series : i. the metallogenic subseries of copper, molybdenum, gold, silver deposit related to late devonian - early carboniferous basic - intermediate - acid hypabyssal intrusive - eruptive rocks ; ii. the metallogenic subseriesof iron, copper, zinc deposits related to early carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iii. the metallogenic subseries of copper, silver, iron deposits related to middle - late carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iv. the metallogenic subseries of copper, nickel and platinum group deposits related to late carboniferous - early permian basic - ultrabasic rocks ; 3, division of regional major metallogenic belts on the basis of the previous work conducted and by following the principles, grounds and methods of the division of metallogenic belts, areas and fields, . in light of this, metallogenic belts of grade iv were divided

    1 、按照成礦系列理論的學術指導思想,將研究區華里西期銅礦床成礦系列劃分為四個成礦系列亞系列: 、晚泥盆?早石炭世延東?屋?三岔口與中巖漿侵入活動有關的cu 、 mo 、 au礦床成礦亞系列、早石炭世與巖漿作用有關的鐵、銅、金、銀礦床成礦亞系列、中石炭世與巖漿作用有關的cu 、 fe 、 ag 、 au礦床成礦亞系列、晚石炭世-早二疊世與幔源基?超基巖有關的銅、鎳、鉑族礦床成礦亞系列並從層、巖漿巖、控礦構造、球化學、成礦特徵等方面對各成礦亞系列進行了詳細論述。
  4. The activity of soil urease, acidphosphotase and invertase weakened with increase of soil depth

    各林壤脲酶、磷酶和轉化酶隨著壤剖面的加深,其活減弱。
  5. Analysis on the buffer action of three kinds of different soils from two soil types of the north of henan, showed that the order of buffer action acid and alkali of three kinds of different soils was as following : chao soil with high fertility > lime drab soil > chao soil

    摘要對豫北區的2個類3種不同壤的緩沖能進行分析研究,結果表明:供試壤對、堿的緩沖強弱依次為高肥潮
  6. The soil of tsochen s farmland is chalky, saline, low in organic matter and strongly alkaline ph 8. 5, but because of this the area s red bananas musa coccinea, luzon bananas m. basjoo, fragrant manjack cordia dichotoma, yams, bird s - nest ferns and mangoes are all especially tasty

    另外,左鎮鄉的耕含有大量高鹽分的白堊質,缺乏有機質,使得壤呈鹼反應鹼值高達8 . 5 ,但卻使得當產出的紅香蕉呂宋蕉破布子山藥山蘇芒果,特別香甜可口。
  7. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明: ( 1 )從落葉松幼齡林到中齡林,隨著林冠的郁閉和林下植被蓋度的急劇下降,林度、壤酶活、無機磷總量、速效鉀、壤水分含量、總孔隙度呈明顯下降趨勢,而根際和非根際壤有機質含量、腐殖質各組分含量、三大類微生物數量、酶活壤容重隨著凋落物的增加呈明顯上升趨勢;從中齡林到近熟林,由於撫育間伐,林分密度及郁閉度下降,林下植被蓋度逐步得到恢復,根際與非根際壤有機質含量、富里、交換、交換鋁、中酶、無機磷總量、放線菌數量、壤水分含量、總孔隙度呈明顯的上升趨勢;從近熟林到成熟林,隨著林齡的增大,根際與非根際壤活、有機質含量、腐殖質各組分含量、有效磷含量、氨基總量、速效鉀、壤酶的活壤水分含量和總孔隙度呈下降趨勢,而根際與非根際壤全磷含量、度(特別是交換鋁)和容重呈增加趨勢。
  8. Studies on population ecology showed that d. versipellis is able to grow on the hillsides of subtropical broadleaf or acicularleaf secondary forest where soil is fertile and the content of n, p, k is high and the ph is 5. 49 - 6. 59

    種群生態研究表明八角蓮適宜生長的壤為中( ph5 . 49 6 . 59 ) 、有機質含量為7 . 34 33 . 33和n 、 p 、 k養分含量高的黃棕壤;其生長環境的植被為亞熱帶針葉混交林,伴生植物多為當優勢種。
  9. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕的水澇問題;灌溉導致的壤鹽堿化;表灌溉;下水的再利用;下水水力學;雨水與水流失的關系;淺表排水;壤開墾及水澇,,堿壤的改良;片段線形回歸和累積頻數分佈的統計分析等。
  10. The soil physical composition, organic matter, total nitrogen, total phosphorus, total potassium and ph of salix psammophila ccheckerboard and contrast sand of dalate county were investigated in 2005, the effects of salix psammophila checkerboard on physical and chemical characteristics of sandy soil were analyzed

    摘要本試驗於2005年在達拉特旗測定了設置沙柳沙障的沙丘和對照樣(未設沙障)的壤機械組成、有機質、全氮、全磷、全鉀、堿度等理化指標,對比分析沙柳沙障對壤理化質的影響。
  11. During the yanshanian phrase, the area is in the condition of contractional background, with multi - staged tectonic reversion. 5. through studying the origin of volcanic rocks and the characteristics of magma evolution, it concludes that there exist 3 originated areas of magma - from mantle, crust, and mantle - crust exchange. the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting, and derived from the transition zone of crust and mantle interaction ; the acid magma of l

    5 、通過巖石化學、微量元素、稀元素的研究,探討了不同級別節律的火山巖成因、巖漿演化等特徵,認為本區燕山期火山巖有三個巖漿源區,即幔源、殼源和殼幔混源,早侏羅世的南大嶺旋迴的基巖漿,起源於上幔;中侏羅世髫髻山旋迴火山巖是在相對擠壓環境中,巖漿起源於殼幔過渡帶;晚侏羅世無負eu異常的巖漿來源於下殼的古老結晶基底的局部熔融,有負eu異常的巖漿來源於上殼的局部熔融;早白堊世火山巖基巖漿起源於上幔,中巖漿起源於下殼底部的殼幔過渡帶。
  12. There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous

    摘要本文討論了北方造山帶東北段滿洲里額爾古納區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段: 1 )早中侏羅世張「似裂谷環境」下所形成的中基火山巖、同熔花崗巖及深源流體活動形成的稀礦床和斑巖銅鋁礦床; 2 )晚侏羅世擠壓剪切環境下所形成的火山巖、斑巖類及深源流體活動所形成的鉛鋅銀礦床; 3 )早白堊世張環境下所形成的基火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。
  13. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆隴東區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆延長統次生孔隙的形成除了受沉積有利相帶控制外,還與層異常壓力的作用密切相關.研究認為隴東區異常壓力的形成機理主要由於成巖過程中粘礦物脫水作用.粘礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在水經過的方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  14. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆隴東區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆延長統次生孔隙的形成除了受沉積有利相帶控制外,還與層異常壓力的作用密切相關.研究認為隴東區異常壓力的形成機理主要由於成巖過程中粘礦物脫水作用.粘礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在水經過的方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究層異常壓力縱橫向分佈特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  15. Most of these areas are occupied by acid tropical upland soils

    這些區大多數為熱帶旱壤。
  16. Aluminum ( al ) toxicity is one of the most deleterious factors for plant growth in acidic soils because over 50 % of the world ' s potentially arable lands are acidic

    摘要全世界50 %以上潛在的可耕屬于壤,鋁毒害是壤上植物生長最有害因素之一。
  17. 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

    摘要集約化農業對保障我國糧食安全發揮了巨大的作用,但其長期的高強度利用和農用化學品過量投入的負面影響也日益顯現,導致的以壤養分失衡、化、有害物質積累、生物多樣衰退等為主要表現形式的壤物理、化學和生物學退化,給生態系統本身與環境都帶來了巨大壓力和嚴重威脅。
  18. Based on the researching of hydration products and the long - term mechanics property, it ' s discovered that the fa - lime - sulfate system has better duration property so as to be used in soft soil foundation treatment

    通過水化產物及長期力學能的研究,發現粉煤灰-石灰-硫鹽混凝樁具有很好的耐久,適用於軟基的處理。
  19. There are higher potassium and calcium carbonate content, larger ph, lower organic matter, nitrogen and phosphoric. compared sandy soil with zonal soil, mechanical composition is coarsal, there are no substance leaching. 3

    壤鉀素、碳鈣和ph值較高,有機質和氮、磷養分貧乏,風沙壤相比,機械組成明顯粗化,物質未發生淋溶淀積。
  20. The results are mainly as follows : sticky quality, tuber structure, the loose and tense degree, unit weight, ph value ( decreases in the few conditons that resulting acidity strengthening ), alkalinity increases in the same soil level, root quantity and macro - element content decreases ; there has a extraordinary difference between k, ca and mg, especially for pb and cd which shows that the collecting function of soil enhances under the disturbence conditon, and other micro - elements, such as zn > mn, cu, ni get decreasing. tourism activity is one of the key reasons for water body pollution. to different recreation types, the pollution degree has the obvious difference

    各景觀區所取樣點中,壤理化旅遊破壞區所受影響最大,呈現出質粘重、結構變差(以塊狀為主) 、同一層次壤松緊度增大、根系變少、容重增大、壤ph值增大(也有個別ph減少,以致增強) 、堿增強、大量元素降低,其中對k 、 ca 、 mg影響中有顯著的差異(又以游道類影響最為顯著) 、重金屬元素( pb和cd )明顯增多、顯著的差異最為明顯,其它微量元素( zn 、 mn 、 cu 、 ni )逐漸減少,表明旅遊活動干擾後壤對pb和cd富集作用增強等特點。
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