水和土壤質量 的英文怎麼說
中文拼音 [shuǐhétǔrǎngzhíliáng]
水和土壤質量
英文
water and soil quality-determination of organophosphorus pesticides-gas chromatography- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 壤 : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
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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。Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method
在地表徑流方面,文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型,並用其改進了陸面模式vic variable infiltration capacity中的徑流計算,該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面,文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型,文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型The rate of contribution of various edaphic physical parameters is different from parameter of soil water infiltration model in different soil texture and husbandry condition, so independent variable factor and priority are different in regression models. the predicted results are satisfactory in correlation husbandry condition
在不同的土壤質地和不同的耕作條件下,土壤的各種物理參數對土壤的水分入滲模型參數影響程度不同,因此引入到回歸模型中的自變量因子不同,引入的先後次序不同。Then, with the help of gis, i selected 8 soil fertility factors mentioned above and soil texture as parameters, used blocks generated by overlaying each factor theme as assessing unit, modified nemoro fomular, and then i assessed the overall soil fertility quality of wujin city, we know : the soil fertility quality of the city is generally medium or worse, in it, the district of riverine polder the district of menghe even fields the district of taige even fields and the district of hilly lands are on " worse " level, and the district of zhengheng polder the district of lakeside polder and the district of taoge even fields are on " medium " or " better " level
接著在gis支持下,選取以上8項土壤肥力要素並加上土壤質地作為參數,以各要素圖層疊加產生的圖斑作為評價單元,修改內梅羅公式,對武進市土壤肥力質量進行綜合評價,得出:土壤肥力質量中等偏下,其中,沿江圩田區、孟河平田區、太涌平田區和低山丘陵區主要處于「較差」水平,而鄭橫圩田區、沿湖圩田區、洮?平田區主要處于「中等」及「良」水平。Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in
同時,研究還表明:調查洞穴的物種多樣性與人口密度、水質成負相關;在一定范圍內,物種多樣性與化肥施用量、土壤肥力成正相關,超過一定的值則成負相關;在人類對地表植被的高強度作用下,物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關,斑灶馬數量與在一定水質范圍內與水質呈負相關,與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為,可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾(或有尾類) 、魚類等作為指示動物對洞穴環境進行監測。Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased
結果表明: ( 1 )從落葉松幼齡林到中齡林,隨著林冠的郁閉和林下植被蓋度的急劇下降,林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢,而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢;從中齡林到近熟林,由於撫育間伐,林分密度及郁閉度下降,林下植被蓋度逐步得到恢復,根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢;從近熟林到成熟林,隨著林齡的增大,根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢,而根際與非根際土壤全磷含量、土壤酸度(特別是交換性鋁)和容重呈增加趨勢。Soil hydraulic characteristic parameters can be estimated accurately using the pedo - transfer functions ( ptfs ) depending on soil fundamental parameters which are easy to get such as grading of soil, organic content and bulk density. pedo - transfer functions ( ptfs ) have been developed by two methods in this paper with data measured at keerqin sandy land
然而可以通過容易得到並能保證試驗精度的土壤基本物化特徵參數,如:顆粒級配、有機質含量和土壤容重等,利用土壤傳遞函數( ptfs )可以較準確地估算出土壤水力特性參數。The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var
本文通過固定和典型樣地,對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析,深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系,並提出了林地土壤質量調控措施。Results showed that the contents of soil organic matter, nitrogen and phosphorus in paddy fields increased year after year, under the application of chemical fertilizer combined with organic manure, even if the chemical fertilizer played a leading role in the supply of nutrient
調查結果表明,在目前有機肥與化肥相結合,養分供應以化肥為主的施肥結構下,水田土壤有機質和氮、磷含量有所增加,旱地土壤有機質和全氮含量下降,土壤磷素有積累。Results showed that the contents of soil organ ic matter, nitrogen and phosphorus in paddy fields increased year after year, unde r the application of chemical fertilizer combined with organic manure, even if t he chemical fertilizer played a leading role in the supply of nutrient
調查結果表明,在目前有機肥與化肥相結合,養分供應以化肥為主的施肥結構下,水田土壤有機質和氮、磷含量有所增加,旱地土壤有機質和全氮含量下降,土壤磷素有積累。Based on related data of incidence of local fluoride epidemic and fluorine concentration in soils in china as seen in literature published in china, the relationship between soil environmental quality of fluorine and human health in china was reviewed and analyzed in the present paper, with the results that guideline on soil environmental quality of fluorine in relation to human health, including guideline on total and water soluble fluorine content of soils, as well as the assessing methods for predicting local fluoride epidemic, were established
摘要根據全國已經報道的地氟病發生率和土壤氟的相關資料,對我國氟的土壤環境質量指標與人體健康關系的研究進行了總結與分析,探討了氟的土壤健康質量指標,包括我國土壤中全氟和水溶態氟的土壤環境質量指標確定和評價方法。The results showed that the best water management pattern of fuji apple orchard was wheat straw mulching under low annual precipitation and grass planting under high annual precipitation. the comprehensive analysis was carried out on effects of different water management patters on yield of fuji apple, soil water conservation and soil organic matter of fuji apple orchard, growth in various stages and fruit quality of fuji apple under different annual precipitation
結果表明,在乾旱年份,紅富士蘋果園水分管理模式以秸稈覆蓋方式最佳,在多雨年份,紅富士蘋果園水分管理模式以果園種植白三葉草方式最佳;並綜合分析了不同降水年型不同水分管理模式對紅富士蘋果產量的影響,不同水分管理模式對果園土壤含水量和土壤有機質的影響及不同水分管理模式對紅富士蘋果生長狀況、外觀品質、內在品質的影響。The inferred water quality, soil salinity and hydrogeologic units are quite consistent with what is said in the hydrogeologic reconnaissance report
所推斷的水質和土壤含鹽量與大的水文地質單元和1 : 20萬水文地質普查報告都吻合得很好,且細節更為清楚。Soil quality. method for measuring in situ the equivalent horizontal hydraulic conductivity and the drainage porosity. guyon method
土壤質量.等效的水平液壓傳導率和排水孔隙的現場測量方法. guyon法In the first step, quantitative and qualitative characteristic of soils influenced by soil microalgal were studied in this step. in this study, four different algal ( chroococcus, chlorococcum, navicula and chalmydomonas ) and one algal mixture, which were formed by the above four algal species, were cultivated in two different mediums ( soil and double distilled water ), under regular illumination or dark condition respectively. we estimated the environmental ph, the microorganism biomass ( not including algal ), and the organic matter content very 20 culture days and estimated the available phosphorus after 60 culture days. we got the results by making graphs and extreme - difference analysis after 0, 20
實驗以土壤(經過高溫燒制除去微生物和土壤有機質的影響)和水(重蒸水)為兩種不同的基質,在基質中接種五種相同重量的土壤微藻藻液(立方色球藻、土生綠球藻、舟形藻、沙角衣藻以及由四種藻種形成的混合藻液) ,分別進行見光和和黑暗培養,在0天、 20天、 40天和60天時,測定環境ph值、微生物量(不包括藻類) 、有機質含量,進行極差分析和圖形比較。It was found that the soil physical properties had significant spatial variability in the catchment scale because of the joint - influences of land use, topography, physiognomy, and other factors. the spatial variation is small for field capacity, moderate for wilting moisture and bulk density, and great for saturated soil moisture
受地形地貌和土地利用等因素的綜合影響,土壤物理性質在流域尺度內存在顯著的空間變異,飽和含水量的空間變異性最大,土壤萎蔫濕度和土壤容重居中,田間持水量空間變異最小。Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last
本文採用因素法定量化評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。Human intervention such as overgrazing resulted in a great decline in soil infiltration rates, which are an important reason for soil degradation and soil drought the experimental results showed that plant biomass and productivity increased significantly with the increase of soil infiltration rates
人為活動干擾,如過度放牧壓實土壤和去除地表覆被造成土壤滲透性顯著降低,是林地土壤質量退化及土壤水分缺乏的重要誘因。試驗結果表明,植物生物量和生產力隨土壤滲透速率的增大而顯著提高。Soil quality. determination of water content of the unsaturated zone. neutron depth probe method
土壤質量.不飽和區域水含量的測定.中子深度探測法Soil quality. determination of water - soluble and acid - soluble sulfate
土壤質量.水溶性和酸溶性硫酸鹽測定分享友人