水泥土壤 的英文怎麼說
中文拼音 [shuǐnítǔrǎng]
水泥土壤
英文
soil-cement-
It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish
它可以直接使大片森林死亡,農作物枯萎;也會抑制土壤中有機物的分解和氮的固定,淋洗與土壤粒子結合的鈣、鎂、鉀等營養元素,使土壤貧瘠化;還可使湖泊、河流酸化,並溶解土壤和水體底泥中的重金屬進入水中,毒害魚類;加速建築物和文物古跡的腐蝕和風化過程;可能危及人體健康。Erect aerial roots arising from cable roots to facilitate gaseous exchange of the roots of some mangrove species ( e. g
是一種由纜狀根生長出來的直立氣根,用來幫助某些紅樹品種(如白骨壤)的根部,在浸滿水的泥土裡進行氣體交換。The soil self - purification, the influencing and determinate factors of the soil environmental capacity, and its application in controlling the area gross pollutants, constituting the soil - environmental quality standards, the irrigation water quality standards and the contaminative mud standards in farmland were discussed
論述土壤自凈作用,土壤環境容量影響和確定因素,土壤環境容量在區域污染物的總量控制、土壤環境質量的標準的制定、農田灌溉水質標準、污泥農田施用標準等方面的應用。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。The other effect brings about by coat on a large scale is discussed preliminary which including increasing the " hot island effect " of cities ; increasing the hydrous of the roads after rain and increasing the sinkage of ground surface in the city
同時初步探討用水泥以及瀝青大規模地覆蓋土壤所造成的其他影響,這些影響包括加重了城市的「熱島效應」 、加重了城市由於雨後道路積水所導致的交通堵塞、加重了城市地面的沉降。Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %
摘要在分析黃土高原地區的溝沿線、溝沿線上下溝間地和溝谷地土壤侵蝕特徵、小流域泥沙來源、坡溝侵蝕產沙關系的基礎上,結合廊道的生態功能和以往的研究結果,認為在溝沿線的上部建立草灌與整地工程措施相結合的植物廊道,來攔蓄阻截溝間地的來水來沙,可使流域的土壤侵蝕量減少54 . 5 % ~ 77 . 0 % 。Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation
確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究,確定了徑流和土壤水蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。Based on the research of intertidal flat topography measure at home and abroad, this article avoids some problems troublesome, such as the dependence of the station of tide gauging, precise match of images and so on. first, we monitor soil water content of intertidal flat through building correlation model between soil water content of intertidal flat and landsat tm data, then we analyse the correlation between soil water content and topography of intertidal flat, last, we extract topography of intertidal flat combining with gis
本文在總結國內外潮灘地形測量研究的基礎上,避開對潮位站的依賴和影像精配準問題,以江蘇大豐港堤附近淤泥質潮灘為研究區域,通過遙感方法建立潮灘土壤水分與tu光譜值的定量數學模型,提取潮灘土壤含水量信息,然後通過潮灘土壤水分與地形的定量關系,結合gis技術反演潮灘地形。And study the quantified methodology of self - restraint the source, the soil erosion reducing, the soil nutrient prediction and reservoir mud alluvial prediction, and applies the model count the water conservation benefit in lingchuan county magedang experimental unit in shanxi province
並分別探討了涵養水源、減少土壤侵蝕、減少土壤養分流失及減少水庫泥沙淤積的效益量化計算方法,以山西省陵川縣馬屹當小水電代燃料試點工程為例進行了水土保持效益的實例計算。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。Ii ) runoff erosivity reflects relationship of water erosion forces and sediment yield more directly than rainfall erosivity. it intergrated ability of runoff volume and flood peak on detaching soil and transporting sediment and is more reasonable than single runoff depth or flood peak volume
( 2 )以徑流侵蝕力代替降雨侵蝕力來反映水蝕營力與產沙量的關系更加直接,而且綜合了徑流量與洪峰在剝蝕土壤和搬運泥沙能力,比單獨運用徑流深或洪峰流量更加合理。( 2 ) after a rainfall, the soil moisture in the plot iii was the highest, it was 21. 33 %, and that of in the plot ii was the lowest ; meanwhile the conservation ability of the soil in the plot iii was the highest, that of in the plot ii was the lowest
第1 、 2小區產生的泥沙量也大於其餘兩個小區。 ( 2 )在一次降雨後的濕潤條件下,第3區的土壤耕作層含水量最高,為21 . 33 ;第4區次之,第2區最低。Evaluation of the effects of environment of drinking water and simulated forecast of the water quality ' s changes ; analysis of the surface water and soil pollution
集中式飲用水源環境影響評價及水質變化模擬預試;地表水及底泥、土壤污染分析。Furthermore, corresponding countermeasures were put forward. 4. seven types of soil, yellow soil, purple soil, red soil, limestone soil, and alluvial soil and paddy soil are scattered in this district
該區有黃壤土、紫泥土、紅壤土、黃棕壤土、石灰巖土、沖積土、水稻土等7個土類,其中黃壤占總面積的80以上。Earthworms are used at nutrilite because they help to aerate the soil, speed up decomposition of plant material plowed back into the soil, add natural humus material called castings and break up water channeling through tunnels for dispersion
39健爾力利用蚯蚓幫助疏通土壤的空氣,加快植物分解並重新溶入泥土中,為泥土加入天然的腐植質,同時,蚯蚓在泥土中四處鉆動,有助水分滲透。So studying water erosion and probing the laws of sediment yield, have significant production practice meaning to the prevention and cure for soil erosion and all kinds of silt disaster
因此開展水力侵蝕的研究,探索水力侵蝕產沙規律,對于土壤侵蝕的防治和各類泥沙災害的治理,具有極大的生產實踐意義。The hillslope erosion processes include soil separation, sediment transport and sediment precipitate, which these three process result from the rainfall splash erosion and runoff erosion. to study and analyze the happening and developing conditions of hydraulic, soil and terrain, and the mechanisms of transitions and influences of these processes each other is the prerequisite to set up physical model of soil erosion
坡面侵蝕過程包括降雨濺擊和徑流沖刷引起的土壤分離、泥沙輸移和沉積3大過程,研究和分析這些過程發生、發展的水力、土壤、地形條件以及各過程間相互轉化、相互影響的機理,是建立土壤侵蝕物理模型的前提條件。In the sandy layer, the soil composition gradually increases and a ku - lau rock rock formed by coral fossil structure appeared lying in the south - north direction. the ku - lau rocks were structured with the bricks lying in the east - west direction
沙土層內,土壤質逐漸增加,出現南北向咕?石結構,與東西向磚塊堆積結構,其中咕?石表現先敷上白灰,其次再為水泥。K mainly migrated with sediment in unsolvable forms, while slowly available k chiefly removed with soil. the amounts of total k, slowly available k, and rapidly available k loss have positive correlation to amount of soil loss
黃綿土土壤鉀素主要以不溶態的形式隨泥沙遷移,全鉀、緩效鉀、速效鉀流失量與土壤流失量呈正相關關系;緩效鉀在水土流失過程中主要隨土流失。Alluvial soil a type of soil formed on river floodplains and deltas, where new sediment is deposited on the land during floods
沖積土:在河流漫灘和三角洲地帶由洪水沖刷泥沙沉積而形成的土壤類型。分享友人