nutrient model 中文意思是什麼

nutrient model 解釋
養分模型
  • nutrient : adj. 營養的，滋養的。n. 營養物，營養品，養分，養料；營養劑。 nutrient broth 肉汁。 nutrient medium 培養基。
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. Finalh. the asymptotic behaviour of the chemostat model with two - nutrient and diffusion is further studied. the global attractivity of the periodic solution is proved under the unique existence of the periodic solution

    然後進一步研究具有周期環境的雙營養擴散恆化器模型的漸近性態，在周期解存在唯一的條件下證明了該周期解的全局吸引性。
  2. 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。
  3. The knowledge model for the dynamics of main development indices includes submodels of suitable development stages, plant height, leaf area index, dry matter accumulation, numbers of fruit branch, square and boll, plant nutrient accumulation

    生育指標動態知識模型包含有適宜生育期、株高、葉面積指數、干物質積累量、果枝和蕾鈴數目，營養物質積累量等。
  4. According to the principle of nutrient balance and water requirement in cotton, the sub - model for fertilization and water management was developed by integrating the effects of soil characters, variety traits and yield target. the submodel can make decisions on the suitable total nutrient and water rates and distributions among main growth stages, ratio of organic to inorganic nitrogen, and the ratio of base to topdressing fertilizer

    根據平衡施肥原理和棉花水分需求規律，在綜合考慮土壤理化特性、品種遺傳特徵、產量水平等因子影響的基礎上，建立了具有系統性和普適性的棉花肥料及水分運籌動態知識模型，模型可以完成肥料總量需求，有機肥與無機肥的比例、基肥與追肥的比例、追肥施用時間、水分需求總量及其在各個生育時期的分配等。
  5. It fulfilled the transforming from point data to polygon data and created the field soil nutrient spatial distribution graphics using the different kinds of interpolation ways. it integrated soil test nutrition data, object yield obtained by historical crop yields of past years, fertilization model and expert knowledge to realize intelligent decision and make field fertilizer prescription. with the card ataflash, the prescription made by the system can be imported into the control computer of variable - rate fertilizer machinery and direct variable - rate controller to implement variable - rate fertilization

    系統實現了以下主要功能：應用不同的插值方法實現點狀信息向面狀信息的轉化，生成農田土壤養分空間分布圖；以土壤采樣測試分析數據作為土壤背景養分，並根據歷史產量及其他信息分析確定施肥所要達到的目標產量，通過集成施肥模型和專家知識實現智能決策，生成田間定位施肥處方；然後用ataflash卡導入到變量施肥機械控制計算機上，指導其田間變量作業。
  6. Integrating with dynamic function, the hydrodynamic inducement of sediment suspension and a conceptual model for nutrient release from sediment in large shallow lake were suggested

    結合水動力作用，提出了大型淺水湖泊水動力作用導致底泥懸浮，從而使得底泥中的可溶性營養物質釋放這一內源釋放的概念性模式。
  7. The main purpose of our paper is to build the coupling pelagic - benthic one - dimensional box model for yscwm, and use it to study the seasonal variability of the vertical structure of each variables, energy flow characteristics, the contribution of microbial loop and the income and expenses of nutrient elements of the ecosystem in this region

    本文的主要研究目標是構建黃海冷水團水域水層-底棲耦合生態系統垂直一維模型，並利用此模型對該海域生態系統各生態變量垂向結構的季節變化特徵、物流能流結構特徵以及微食物環的貢獻和營養鹽的收支循環等問題進行動力學研究。
  8. There are only researches about the slope loss ' s soil particle characteristics and the temporal process of hillslope agro - forestry compound system nutrient loss in the yangtze river watershed, and deficient to the mechanism and process parameters of hillslope sediment and nutrient loss of three gorges area, and there is not a preferable systematic prediction model of sediment runoff and nutrient loss also, let alone forming benefits evaluation model of hillslope harnessing measures

    目前在長江流域僅有坡面流失土壤顆粒特徵和坡面農林復合系統養分流失時間過程的研究報道，而對三峽庫區坡面土壤泥沙及養分流失的機理及過程參數的獲得尚無報道，還沒有一個較系統的泥沙徑流及養分流失的預測預報模型，更談不上構成坡面治理措施的效益評價模型。
  9. In view of improving the efficiency of fertilizer, we paid more attention to the effect of water dynamic process and strength on nutrient availability. in this research, by model test, four kinds of agricultural soils were studied, concerning about the effect of drying - wetting alternation and temperature on potassium availability, ions " diffusion in soils under different levels of water content, and the distribution coefficient of potassium between solution and soil phases

    因此，本研究通過室內模擬土壤水分的動態變化，對水分變化的過程（干濕交替不斷進行）和變化強度對養分有效性的影響，不同水勢狀態下養分離子在固、液相間的分配關系，以及不同水分條件下養分的擴散遷移規律等方面進行了探討。
  10. The inland hillslope research methods are dominated by qualitative analysis and statistic analysis, therefore, much more studies need to be made to the hillslope water and soil mechanisms and processes, the prediction and evaluation of plane source pollution resulting from nutrient loss, the quantitative prediction model of hillslope water and soil loss and the interaction between the control measures and hillslops

    國內對坡面的研究方法以定性和統計分析為主，在坡面水土流失機理及過程，養分流失所造成的面源污染的預測及評價，坡面流失定量預測模型以及控制措施與坡面的相互作用等方面仍需作進一步研究。
  11. The results can be used to understand dynamics of soil nutrient transfer in slope land, provide essential for establishing model of soil potassium loss by erosion, recommend rational fertilization application, and increase land productivity

    研究成果對深化坡面土壤養分遷移動力學研究有一定的理論意義，可為建立土壤坡面鉀素徑流流失模型提供基礎資料，並對坡地合理施肥、提高土地生產力有一定的指導作用。
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