生土層 的英文怎麼說
中文拼音 [shēngtǔcéng]
生土層
英文
raw soil layer-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。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。Luckily, the soil was dry and crumbly. " i wanted to live ; the instinct was strong. i was about a metre deep
由於土層乾燥松軟,加上頑強的求生本能,他從地下一米處為自己扒出了一條生路。Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions
同時,土壤是農業生產的根本,治理水土流失的關鍵是要保住土壤,而土壤養分絕大部分是隨著泥沙流失的,嚴重的水土流失造成土層淺簿、養分貧瘠,土地質量退化,產量下降,對三峽庫區移民工作和農業可持續發展造成嚴重威脅,制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究,探索減輕坡耕地土壤流失的方法措施,具有全局性的重大意義。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。Though many creatures of the soil layer are a drab grey - brown or pale and colourless, there is no reason why a few can ' t be bright and garish
盡管土層中的許多生物要麼是單調的灰褐色,要麼體色蒼白暗淡,但仍有一些色澤艷麗,甚至是色彩奪目。The defining feature is the gley horizon below the humus - blue - grey clay whowe color is due to ferrous iron compounds that have been reduced by microorganisms, flecked with localized areas of rust - colored oxidized ferric compounds
潛育土的一個重要特點是位於土壤腐殖質層之下,其土層呈灰藍色是由於含有被微生物還原的亞鐵離子,而且常有部分鐵被氧化生成紅棕色的銹斑。For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks
對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。The island has thick and porous soil and caves and cracks abound, making it an ideal habitat for pallas pit vipers, the only kind of snake found here, a rare ecological phenomenon
島上土層深厚,土質疏鬆,洞穴和巖縫較多,最適于蝮蛇繁衍生息。蝮蛇是島上唯一的一種蛇,這種生態現象世所罕見。The germination rate of sclerotia increased with temperature rose, mathematical relation of germination rate and temperature were set up
首次報道了不同生境下菌核能在土層下侵染水稻表現典型病斑。Road foundations. high - calcium lime for soils and roads. water reactivity test for quicklime
路基.道路和土層用高鈣建築石灰.生石灰水反應試驗Organobentonite is a kind of hydrophobic bentonite which prepared by exchanging inorganic cations in the layer of bentonite with organic cations or compounds. it combines inorganic bentonite ' s excellent dilatability, adsorption and dispersion with huge hydrophobic area, so it has very good affinity for organic substance, has been widely used in all kinds of organic system
有機膨潤土是用有機陽離子或有機化合物與膨潤土層間的無機陽離子發生交換而生成的一種疏水親油的膨潤土。由於其既具有無機膨潤土優良的膨脹性、吸附性和分散性,又具有疏水親油性的巨大比表面,與有機物具有很好的親和性和相容性,己被廣泛應用於各種有機體系。In order to let your tree peonies flourish and produce large and vivid flowers, you shall obey below instructions, 1. choose appropriate place chinese tree peonies shall be planted in loose, fertile soil with good drainage ability
故選擇地勢高燥寬敞通風並有側方遮陰以及土層深厚疏鬆肥沃排水良好之地,是栽培中國牡丹首選的最佳用地,而最忌選用生土粘土鹽堿土以及澇窪之地。The essential cause that induces subway vibration is the inter action between the train ’ s wheels and rail. through the sleeper, ballast bed, roadbed and soil layer, the vibration spread to far place
地鐵振動產生的根本原因是由於輪軌的相互作用,再通過軌枕、道床、路基和土層依次向遠處傳播。At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination
採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究,選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價,選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價,強調了生態條件及其環境污染狀況在農用地分等定級中的作用。Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers
發展了「土壤水分背景」的概念,並以之為基礎對其各個方面進行了研究,使之形成一個相對獨立和完整的體系,主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等: ( 1 )由於植被生長發展、演替的基礎階段是天然草被群落,故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況; ( 2 )黃土高原的土壤水分背景值,根據植被地帶的不同表現出自南向北逐漸降低的規律:森林地帶3米以下土層水分背景值普遍穩定地高於12 ,森林草原地帶4米以下土層水分背景值穩定大於6 ,且均隨土層的加深水分含量逐漸增加,而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。The investigation results show that fly ash particles serve as nucleation sites for the growth of the hydration products and the quality of fly ash does not affects the microstructure of concrete much
研究結果表明:粉煤灰顆粒充當水化物的中心質,摻加粉煤灰使混凝土層狀形貌得以改善,孔隙下降,不同品質粉煤灰對早期水化物的生成有明顯的影響。The root system of malus toringoides is so developed that it can grow on prior soil and in cracks of rock. like malus transitoria, malus toringoides tolerant to draught and can grow on sunny dry slope, rocks of steep cliffs, barren stone area, roadsides and field sides. malus toringoides was also adapted to habitat shade and can grow normally gorges of hill, and even on sides of brook and river, where water often attack on
變葉海棠根系發達,能穿透堅硬的土層和巖石裂縫,它具有喜光耐旱的特點,在陽坡、凸坡、懸崖峭壁、瘠薄堅硬的石穀子地、道路兩旁和農耕地邊都能正常生長,與花葉海棠近似;變葉海棠也具有喜濕耐陰的特點,在深山峽谷、甚至在根系長期經受洪水侵襲的溪邊、河岸也能正常生長,與隴東海棠近似。Under the filtration irrigation, the water content could remained a fit range from 14 to 22 percent in the layer of 20 to 70 cm deep, however, the general irrigation could reduce the moisture utilization during the growing period of the maize. ( 4 ) filtration irrigation could well adjust the soil temperature so that the root system made a sufficient absorption of the moisture and mineral nutrinents
從土壤含水量測定分析看,在20 70cm土層,滲灌水分含量一直維持在玉米正常所需的14 22范圍內,而漫灌分兩次灌水,在每次灌水前一段時間水分含量要下降到14以下,出現水分脅迫,尤其影響到玉米的前期生長。She knew it not, and would not have believed it yet though the layer of mould under which she fancied that her soul was buried seemed unbroken, the delicate, tender, young blades of grass were already pushing through it, and were destined to take root, and so to hide the grief that had crushed her under their living shoots that it would soon be unseen and forgotten
她不知道,也不相信,從她心中看來無法穿透的土層中,萌出細嫩的幼芽,一定會生根,以她生氣盎然的嫩葉遮蓋住她的悲哀,很快就會看不見,覺不出。創傷從內部慢慢愈合。分享友人