無礦地區 的英文怎麼說
中文拼音 [wúkuàngdeqū]
無礦地區
英文
barren area-
In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。And beyond that again, in the wide rolling regions of the castles, smoke waved against steam, and patch after patch of raw reddish brick showed the newer mining settlements, sometimes in the hollows, sometimes gruesomely ugly along the sky - line of the slopes
再遠一些，在那宮堡大廈所在的臨野上，煙與蒸汽夾雜著，漾蕩著，星羅棋布著無數的紅磚建築，有的在低凹處，有的獰惡地在那斜坡上突入天際，這便是礦區。The prediction and quantitative assessment of mineral resources make up a comprehensive decision - making problem which involves multi - levels and multi - factors, and a lot of methods and technological means have been developed and employed to carry out the research in this respect
摘要在詳細分析各種勘查資料、綜合利用地質科研成果的基礎上開展預測與評價，查明研究區內礦產資源總量及其質量狀況，對科學地指導進一步的礦產普查、勘探和深部評價工作，合理開發礦產資源，保證礦產資源的可持續利用，無疑具有十分重要的意義。Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use
本文採用全國首批建立的「縣級土地利用現狀數據庫」的基礎數據，結合影響土地利用變化的經濟、社會、環境等綜合因素，採用相關分析軟體（ dps 、 spss ）和數學分析方法（主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm （ 1 ， 1 ）預測模型分析、灰色序列gm （ 1 ， n ）模型分析等方法） ，對江安縣土地利用變化及其驅動力進行定性、定量研究，研究結果表明： 1江安縣人均總的土地資源數量和單一土地利用類型的數量在宜賓或四川省區域內均無優勢；地形對土地利用方式的選擇起著主導作用；土地利用變化的總趨勢是：耕地、林地、交通用地和水域面積不斷減少，居民點及工礦用地和未利用地面積不斷增加；景觀多樣性指數呈現「 」趨勢。The company is located in the northeast of qinghai province doors sources county, and parts of gansu s nine ling adjacent coal, industrial coal smoke - free perennial production, at 4, 500 to 7, 000 calories more than welcome to the needs of enterprises with business
本公司地處青海省門源縣東北方向，與甘肅武威地區九條嶺煤礦相鄰，常年生產無煙工業用煤，熱量在4500到7000以上，歡迎有需求的企業聯系洽談！The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations
土壤中有機物質和礦物質的結合?土壤有機無機復合體是土壤區別其母質的基本特徵之一，它對土壤團聚體的性質有很大的影響，而團聚體的數量和性狀有跟土壤肥力密切相關，本文以不同母巖發育的旱地紫色土作為研究材料，通過野外采樣和室內分析，研究了旱地紫色土的有機無機復合狀況、團聚體特徵和肥力水平，探討了在不同土地利用方式下它們之間的關系，以及影響有機無機復合、土壤中團聚體的數量、性質以及制約土壤養分狀況的因素，主要結果如下：不同類型的紫色土鐵鋁氧化物形態和活性具有很大差別。Abstract : this paper discussed the roadways pressure characteristics of south sublevel caving region in fengshan copper mine. by means of engineering practice and the measure results in site test, to counter the feature of roadways pressure, the supporting / reforcing technology of roadways and the controlling treatments for ground pressure is proposed in varying geological conditions
文摘:對豐山銅礦南緣無底柱崩落法采區的巷道地壓特徵進行了探討，針對其地壓顯現特點，結合工程實踐和現場實驗測量的結果，提出了不同地質條件下巷道的支護加固方案和地壓控制措施。There is no pollution source in the park and the environmental quality has met the evaluation standard. the underground water is mineral water
園區內無污染源，環境質量達到環保評估標準。地下水為礦泉水。分享友人