潛水土 的英文怎麼說
中文拼音 [qiánshuǐtǔ]
潛水土
英文
ground water soil-
An unconfined aquifer has a water table at its top and water in direct contact with the soil atmosphere.
非承壓含水層在它的上面有一個潛水面且水與土壤大氣直接相連。Gley ( glei ) a waterlogged soil lacking in oxyen, in which raw humus accumulates as a result of lack of decomposition by bacteria
潛育土：是一種氧含量低而水含量很高的土壤，由於缺少分解性細菌而在其內積累了大量的腐殖質。Abstract : the biological control effect on fruit tree insects and eco - economic benefit of interplanting mentha spicata with orchard was studied and analysed based on field polt experiment. the result shows : interplanting mentha spicata with orchard have obviously biological control effect on fruit tree insects like phyuoenistis eitrella stainton, papilio xuthus l, phyllocoptruta oleivora ashmead and myzus perieas sulzer ect, interphanting mentha spicata with slope orchard could reduce soil and water losses, and improve soil physical - chemistry property effectively, its also accelerate fruit tree growth and increase the yield of fruit tree, and has good economic benefit
文摘:在野外小區試驗的基礎上，對果園套種留蘭香生物防治果樹蟲害的作用及其生態經濟效益進行了研究和分析，結果表明：果園套種留蘭香對潛葉蛾、柑橘鳳蝶和桃蚜等果樹害蟲有明顯的生物防治效果；在坡地果園套種留蘭香能有效減輕水土流失、改善土壤的理化性狀，促使果樹的生長和提高果樹的產量，並具有良好的經濟效益Study on phreatic evaporation under different soil textures
土壤質地對潛水蒸發的影響Characteristics and calculation model of phreatic evaporation of sand - layered soil
夾砂層狀土壤潛水蒸發特性及計算模型Effect of the sand layer position on the phreatic evaporation in the layered soil profile
層狀土壤中砂層層位對潛水蒸發的影響In order to make the agriculture and rural economy of this area keep on fast, persistent and stable developing, it must be on the basis of controlling soil erosion and improving eco - environment, and on the advanced science and technology to combine enhancing yields of main farm product with increasing peasant ' s incomes, to support resource exploitation, and to raise technical level of agriculture industry
從渭北旱原資源開發歷史和經驗中可得出，該區域實現農業和農村經濟持續發展的途徑和措施是：以提高水資源利用效率為中心，以挖掘資源潛力、充分發揮資源優勢為基礎，以科技進步為先導，著力提高農業產業技術水平，以控制水土流失、改善生態環境為前提，把增加重要農產品產量與增加農民收入統一起來。The paper consists of five sections : ( 1 ) introduction ; ( 2 ) the current situation, advantages and disadvantages of gaoqiao region ' s agricultural economy development ; ( 3 ) the leading industry of gaoqiao region ' s agricultural economy development : grass - animal industry ; ( 4 ) the strategy choice for grass - animal ecological agriculture pattern of gaoqiao region ; ( 5 ) the guarantee measures of gaoqiao region ' s grass - animal ecological agriculture pattern
高橋試區農業經濟發展的劣勢有： （ 1 ）水土流失嚴重，土地瘠薄，生態環境惡劣； （ 2 ）水資源貧乏，氣候乾旱，極大限制了農作物的生長潛力； （ 3 ）文化教育事業落後，科技人才奇缺，群眾文化水平低； （ 4 ）經濟基礎薄弱，農業投入嚴重不足； （ 5 ）交通不便，信息閉塞，市場狹小，商品經濟落後； （ 6 ）產業結構單一，小生產與大市場相悖。Relationship between water surface evaporation and phreatic water evaporation when phreatic water buried depth is zero for different soil in tarim river basin
潛水埋深為零時塔里木盆地不同土質潛水蒸發與水面蒸發關系分析In the construction of the underground pavement - wuhan qingnian road ( the west beihu road ), the well - precipitation is adopted to evaculate the penetrating water in the pavement field and the up level stagnation water, which consolidates the ground and 1ars a working condition without water
摘要武漢市青年路（北湖西路）地下人行地道工程施工中，為了疏干通道土層范圍內的潛水及上層滯水，固結地層為施工創造無水作業環境，採用了洞外井點降水。Evaporation varies from evaporation capability, embedded depth of groundwater is more easy, the effect is more obvious ; evaporation capacity decreases if embedded depth of groundwater become deeply, and close to zero under the some depth ; evaporation capacity of different soil texture is different. at ordinary situation, if embedded depth of groundwater is easy, evaporation capacity of the wide and grit soil is powerful ; if embedded depth of groundwater is deep, evaporation capacity of the slender and viscosity soil is powerful
潛水蒸發隨大氣蒸發能力的變化而變化，且潛水埋深越淺，受其影響越明顯：潛水蒸發隨潛水埋深增加而減少，在某一埋深以下潛水蒸發接近於零：不同土質其潛水蒸發量不同，一般情況下，在潛水埋深較小時，土質較粗、偏砂性土壤潛水蒸發較大；當潛水埋深較大時，土質較細、偏粘性土壤的潛水蒸發較大。Beven 18 suggested that when it is applied in its original form to a river basin with thin soils over an imperme - able base, the quasi - steady state approximation holds. however, he also noted that for a variety of alternative transmissivity profiles, or when the saturated depth of the aquifer is large, the deviation in the actual shape of the water table from a steady - state shape can be both large enough and last long enough to call into question the assumption of quasi - steady dynamics
Beven 18也也指出這種「擬穩定」的地下徑流機制雖然能夠較好地應用於那些不透水層之上的土壤厚度比較薄的流域，但對于那些非飽和土壤層的厚度隨空間的變化較大也就是地下水位的變化比較大，或者潛水面的厚度較大的流域，使用這種「擬線性」的topmodel地下徑流機制就容易產生問題The study shows that the soil erosion of this region is getting worse
經評估，該區水土流失正處于青年期，潛在不穩定性。If you have more time, try some land activities, such as : biking, horseback riding and play golf. with over 300 kilometers of white sand beaches running along the tranquil waters of the gulf of mexico and many mayan ruin sites than other region, plus not - too - expensive living condition has boasted cancun to be the paradise of winter vacation. we, at to - do travel services, are very familiar with this destination, our design and arrangement will assure you a very pleasant cancun vacation
坎宮能玩的東西甚多，選擇三至五天的時間旅遊，是最佳的安排，譬如可以花一天參觀青城古剎或土隆一天玩海邊的各樣活動，潛水滑水風帆摩托快艇滑翔跳傘一天在酒店中打球游泳或躺臥在沙灘上休息，晚間欣賞墨西哥民俗表演，和品嘗具地方特色的風味餐一天乘船到麻島Subsurface runoff is obviously closely related with soil water movement in the unsaturated soil zone and dynamic change of the groundwater table. there - fore, it is necessary to develop the subsurface runoff model with a physical base associated with recharge on the aquifer and total storage in the reservoir. also a soil model with a dynamic representation of the groundwater table makes it possible and reasonable to represent a more logical subsurface runoff parame - terization
地下徑流顯然與非飽和土壤層中的水分運動以及地下水位的動態變化密切相關，因而有必要發展考慮土壤含水量與潛水面science in china ser . d earth sciences 376中國科學d輯地球科學第36卷水分通量以及地下水位動態變化的土壤水模型相適應且具有物理意義的地下徑流模型;同時地下水位動態表示的土壤水模型也為發展更為合理的地下徑流模型創造了很好的條件F ) to retreat cultivation 1. 467 million ha for reforestation or recovering grass. g ) attheend, to adjust the proportion of cultivated land, forest, grassland from 7 : 6 : 1 to 1 : 1. 4 : 1. 2, this proportion is reasonable ratio for land use structure. for getting the above strategy targets, we must handle of the following relations : a ) the relation between development and environment protection ; b ) the relation between population and land resources ; c ) the relation between construction and farmland protection ; d ) the relation between quality and quantity of farmland ; e ) the relation between land using and economy development ; f ) the relation between land exploitation and landscape worth maintaining, etc. for getting the above strategy targets, we must also adopt some good measures : a ) to control the construction occupying farmland ; b ) to use land intensive ; c ) to improve low - yield farmland ; d ) to make regional land resources distribution effective ; e ) to make comprehensive profit ; f ) to make family planning continually ; g ) to promote urbanization, etc. by carrying out these measures, land resources in shanxi province can be used sustainable
同時，論文對土地資源利用潛力和未來趨勢進行了科學推理，提出了山西土地資源永續利用的戰略目標：到2015年，全省耕地面積穩定在433 . 3萬公頃左右，基本農田面積保持在366 . 7萬公頃左右，保證糧食產量100億千克；各項建設用地控制在14 . 2萬公頃，其中佔用耕地在7 . 9萬公頃，土地開發、復墾、整理補充耕地10萬公頃，改造中低產田10萬公頃，治理水土流失面積1 . 13萬公頃，發展園林草地146 . 667萬公頃（含退耕還林還草99 . 2萬公頃、園地6 . 7萬公頃） ；經過長期努力，使林草地總面積達到865 . 6萬公頃，耕地、林地、草地比例由現在7 6 1逐步調節到1 1 . 4 1 . 2較合理的比例。With the comparison of potential ravine and real ravine, it can reflect the developing tendency of ravine in this area. through positioning with gps and investigation in this area, we can divide the potential ravine of this area into three forms, that is parallel ravine area steep ripe ravine area and evenness swamp area. it can provide scientific reference for forest management and tree planting, and it is a new theory to prevent soil and water loss, and carry through the ravine controlling by people
在數字化生成的帽兒山地區dem基礎上，通過二次開發生成的潛在溝系，具有與現實溝系高度的吻合性，並通過與現實溝系的比較，能客觀的反映出該地區溝系發生、發展的趨勢，藉助于gps的定位及實際踏查研究，可將帽兒山地區的潛在溝系劃分為平行溝系區、陡坡顯溝區和平坦沼澤區三種類型，可為合理的森林經營和植樹造林提供科學的借鑒，並為防止水土流失，進行溝系治理提供了新的理論依據。The galapagos islands are paradise to cruise ships large and small filled with outdoor adventurers, animal enthusiasts, bird watchers, swimmers, snorkelers4, hikers and nature lovers
大大小小的巡遊船隻滿載著戶外探險者、動物愛好者、鳥類觀察者、游泳愛好者、潛水愛好者、徒步旅行者和自然愛好者來到加拉帕戈斯，這里是他們的樂土。( 2 ) evaporation capacity is related with evaporation capability. soil texture, embedded depth of groundwater
（ 2 ）滿水蒸發餐大小與大氣蒸發能力、土壤質地和潛水埋深等因素有關。Secondly, by means of arranging and analyzing the construction monitor data, the practicality method of proposing the dewatering calculation model and parameters of the non - constantly pumping dewatering well was proposed, moreover the equivalent calculation model and parameters of the erhe project was proposed. thirdly, based on calculating the design scheme of dewatering well with the equivalent calculation model, the optimized scheme of dewatering well of the erhe project was proposed and the well number was reduced to 32 where it was 42 in the old scheme. at last, based on the well construction, the dewatering well structure and constructing technique in the soft soil area were exploited in addition, the significative analysis and evaluation attitudes to the old design scheme of dewatering well project were impersonally proposed
首先，根據工程地質及水文地質條件和工期分析，提出了「二河」降水井的設計方案；其次，通過系統整理分析抽水井的施工監測記錄，提出了用降水井的施工監測確定非定常抽水降水井井流模型和參數的實用方法，並建立和確定了「二河」降水井非定常抽水、有越流的完整潛水井等效模型和參數；接著，通過用等效井流模型進行降水井方案的計算，提出了「二河」降水井的優化方案，使原方案的42眼井降到32眼井；最後，通過對降水井成井施工實踐的總結，開發了適于軟土區的降水井結構和成井施工技術。分享友人