plain soil 中文意思是什麼
plain soil
解釋
素土-
The dissertation reviews the agriculture production history, analyzes the status quo, the change of river system, soil evolvement and the forming course of economic position, and discusses the precondition of the agricultural development of the hhh plain. the agricultural system database of the hhh plain is set up by using mapgis software
總體上考察了黃淮海平原農業生產歷史、現狀形勢；淺析了黃淮海平原的水系變遷，土壤演變過程及其經濟區位條件的形成，初步探討了該平原農業發展的先決條件。 -
The flooding of yellow river led to the change of soil microelement, which in turn played an invisible role in the disintegration of the civilization of huanghuaihai plain
摘要由於黃河泛濫造成的土壤的微量元素的變化是黃淮海平原文明衰變過程中一隻看不見的手。 -
6 diversity fragmentation and evenness of ecological landscape in fukang increase with more utilization and development. the change of landscape pattern about land utilization is mainly area variation of plantation and wasteland in pluvial fan and alluvial plain, the key influence factors are the dynamic of soil moisture and salinity under the development of water and land resource
6 、在阜康各景觀帶中，隨人為開發利用程度的增強，景觀多樣性、破碎度和均勻性增加；荒漠綠洲土地利用景觀生態格局的變化，集中體現在位於洪積扇與沖積平原的耕地和荒地面積變動上，關鍵影響因子是水土資源利用下的土壤水鹽動態變化。 -
The study was primarily conducted to investigate the effects of various irrigation managements on the yield, quality and wue of alfalfa and the sustainable utilization of soil - water in north china plain. five treatments were applied : 0mm, 30mm, 50mm, 75mm and 100mm irrigating at the beginning of the second growth cycle in 2001
本研究通過兩年的灌溉實驗，根據對降水情況、土壤水分的蒸發量、蒸散量與苜蓿各生物學指標的分析，初步探討了在華北平原地區不同灌溉處理對于苜蓿產量、品質、水分利用率以及苜蓿地土壤水資源利用可持續性的關系。 -
Based on soil magnetism investigation on one of area in hebei province tibility data to describe the soil magnetic background of plain area in hebei province, and to study the method of biomagnetism application in agriculture
通過對河北省平原區某地土壤樣品的磁性測試，試圖分析河北省平原區的土壤磁性背景，探討生物磁學農業應用的途徑。 -
The difference between the concept of weak subgrade and soft soil subgrade is presented. and the former is divided into three types according to formation causes, namely mountainous type, plain type and coastal type
軟弱地基依成因可分為山區型、平原型、濱海型三種，宣大線屈山區型，京秦線屈平原型。 -
The environmental geological problems existing in the west liaohe plain involve desertification of land, salinization of soil, declining of groundwater level and pollution of groundwater
摘要西遼河平原的環境地質問題主要表現為土地沙漠化、土壤鹽漬化、區域地下水位元下降及地下水污染等。 -
And he built towers in the wilderness and hewed out many cisterns, for he had much cattle, both in the lowlands and in the plain ; he had farmers and vinedressers in the hills and in the fruitful fields, for he loved the soil
10又在曠野建築望樓，挖了許多井，因他在低陸與平原的牲畜甚多；又在山地和肥美之地，有農夫和修理葡萄園的人，因為他喜愛農事。 -
Located at yellow river alluvial plain, the soil of heze is very suitable to the growth of many trees, just like poplar, paulownia and so on, so heze has some advantages of natural resources. and now, there are 4, 000, 000 mu woodlands, 10, 820, 000 mu forests in farmlands, 3800, 000 mu intercrop of crop and paulownia. the ratio of forest to land is 28. 6 %
目前，全市有林地面積發展到400萬畝，農田林網1082萬畝，農桐間作380萬畝，林木覆蓋率28 . 6 % ;林木蓄積量1320萬立方米，約佔全省總量的六分之一;林業一、二、三產業總產值100億元。 -
Prevention of soil secondary salinization by turning upland cropland into paddy fields in depressions of the songneng plain
松嫩平原低平易澇地旱改水種稻治澇防止土壤次生鹽漬化技術的研究 -
Soda - saline soil in the sanjiang plain of helongjiang province
黑龍江省三江平原的蘇打鹽漬土 -
It was difficult for upland crops to grow on the saline - alkali soil in the coastal plain and liaohe river regions
在沿海平原和遼河流域鹽堿土上很難種植旱地作物。 -
Geographically, jiangmen municipality is located in an alluvial plain in river delta, with low hills dotted crisscrossed rivers and fertile soil
江門市屬河流三角洲沖積平原，低山丘陵錯落其間，河網縱橫，土地肥沃。 -
Through field investigation and soil fertility index analysis, causes and mechanism of fertility degradation of black soil in the songliao plain were explored
通過田間調查和土壤肥力指標分析，探討了松遼平原玉米帶黑土肥力退化的原因和機理。 -
It thus follows that the present improper systems of cultivation, fertilization and continuous corn cultivation are the main causes of fertility degradation of black soil in the corn belt of the songliao plain
因此認為，現行的不合理的耕作、施肥及玉米連作制度是導致松遼平原玉米帶黑土肥力退化主要原因。 -
Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir
本文從青銅峽水庫泥沙淤積入手，分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀，對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析，提出庫區圍墾堤是水庫水位抬升的重要原因。 -
Five floating roof oil tanks with volume 2 104m3 are designed to be constructed at shuguang pump station possessed by liaohe oil field, which is located at liaohe delta alluvial plain. this engineering filed is featured with complicated topography. the oil tank foundation soil is horizontally - layered, including four layers : medium dense - dense clay, interbedding of find sand and clay, fine sand sandwiching clay and fine sand
位於遼河三角洲沖積平原的遼河油田曙光泵站計劃增建5座2 10 ~ 4m ~ 3浮頂式儲油罐，場區地形復雜，油罐地基土層分佈均勻水平，從上之下主要由中密粉土層、粉細砂與粘土互層、粉細砂夾粘土層和細砂層等4層組成。 -
Study on relationship of soil nutrients and various particles in fluvo - aquic soils on the yellow river flood plain, north china
華北黃泛平原潮土土壤養分與土壤粒級的關系研究 -
In this thesis, analysis of whole performance and interior mechanism of plain soil slope and soil nailing wall with flag finite difference program has been carried out. at the same time, the impacts on the internal force distribution of soil nailing and the deformation of soil nailing wall of many factors, including the connection between face shield and soil nailing, the friction decline between soil nailing and soil, the shear force & bending moment resistance of soil nailing, the cement crack in soil nailing, face shield, excavation, the obliquity of slope, and so on are studied in this thesis
本文通過flac有限差分程序，分析了素土基坑和土釘墻體的整體性能和內在機理，研究了土釘和面層的連接變化、土釘表面性能的下降、土釘的橫向抗剪抗彎作用、土釘漿體的開裂、面層的有無、基坑的開挖過程、基坑放坡角度等因素對土釘內力分佈和土釘墻變形的影響。 -
Based on typical sample, soil survey, environment survey and soil physical - chemical analysis, under the direction of chinese soil taxonomy, according to the principle of stability, discrepancy, dominant and integration of soil series taxonomy, applying to methods of statistic analysis and system integration, the selection of indexes of soil series taxonomy of hydragric anthrosols in chengdu plain soil series taxonomy soil series naming and index were systemically sturied. the results showed : ( l ) the main affectoi of hydragric anthrosols soil series in chengdu plain were : soil structure in 100cm soil depth ; fe2o3 ( dcb ) ; the texture of hydragric epipedon ( cultivation horizon ) ; the proportion of clay and salt in hydragric epipedon ( cultivation horizon )
本文以成都平原主要水耕人為土為例，在中國土壤系統分類思想的指導下，通過典型采樣、土壤詳查、環境調查和室內理化分析，遵循土系分化影響因子的穩定性、差異性、主導性及綜合性等原則，利用統計分析和系統綜合分析等方法，對水耕人為土的土系劃分指標選取、土系劃分、土系命名及檢索等作了較為系統的研究。
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