quantitative distribution 中文意思是什麼

quantitative distribution 解釋
定量分佈
  • quantitative : adj 【數學】量的;定量的。 the quantitative limits that determine the qualities of things 決定事...
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵,包括南方紅豆杉種群年齡結構、種群空間格局(探討分佈格局動態規律與生境相互關系) 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等,分析其目前現狀及瀕危原因,期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎,也為瀕危植物種群生態學的研究提供參考。
  2. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系,引入發展系數、協調系數、公平系數,以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型,利用遙感技術成果以及植物生理需水的現場實驗數據,提出了乾旱區天然植被生態需水量計算方法。
  3. The forecast is quantitative analysis in the paper. the amounts of cargo flow are forecast by generation models of transportation demand and the directions distributing of cargo transportation are forecast by distribution models. the forecast methods which have already been used for amounts of cargo transportation are trend inference method, smooth method of index and grey system method ; the forecast methods which have been used for cargo transportation distributions are fratar method and furness method

    預測od流主要運用了定量分析預測法。 od生成預測用到的預測方法有趨勢外推法、指數平滑法和灰色系統法等; od分佈預測用到的預測方法有佛萊特( fratar )法和弗尼斯( furness )法。
  4. And painstaking investigation for the industrial port of wisco production equipments, loading and unloading technological process and transportation assignment process and collecting a great deal of datum. they have found out the climacteric element which had made quantitative analysis and research about those climacteric elements. they have had come to the conclusion that the climacteric element of influencing the finished product wharf of the industrial port of wisco production ability, loading and unloading assignment efficiency, loading and unloading quality was the contradiction between goods " distribution of cargoes and the not match of shipping style, the transport organization process of steel was incardinate

    本文針對以上問題,在深入武鋼工業港生產實際,對其生產設施設備、裝卸工藝流程、運輸作業流程等進行調查研究和收集大量數據的基礎上,分析研究了制約武鋼工業港成品碼頭生產能力的關鍵因素,並對這些關鍵因素進行了量化分析和研究,得出了影響武鋼工業港成品碼頭生產能力、裝卸作業效率和裝卸全面質量的關鍵性因素是貨物配載和船型不匹配、鋼材運輸組織流程不協調的結論,指出克服這些影響因素的思路和方法。
  5. Quantitative analysis of faults distribution in the ntgis

    系統中錯誤分佈的量化分析
  6. In this paper, the geographical distribution and quantitative of 37 species of the urodeles are introduced. and then, the research direction and current studies of this field are analysed

    摘要本文從地理分佈特徵和數量方面介紹了我國現存的37種(亞種)有尾類動物,並分析了目前我國有尾類的研究方向和研究現狀。
  7. In this research, geostatistics was adopted to analyse crop growth status, soil nutrient and yield, with emphasized on quantitative characterization of the spatial variation and investigating the relationship between crop growth indices and yield from spatial distribution

    本研究首次在作物長勢分析中引入地統計學手段,結合田區土壤養分和產量的空間變異特徵,著重定量描述了作物長勢空間變異規律,並從空間分佈的角度探尋作物長勢監測指標與產量的關系。
  8. Fom the point of view of the resource exploitation and structure distribution, the exploitation and utilization of the port resource 、 aquatic product resouce 、 tidal energy resorce 、 sea salt resource 、 tour resouce etc are analyzed using the method of the combination between the quantitative method and qualitative method. some measures are put forward to handle the problems existing in some industries such as ocean traffic - transportation industry 、 agriculture 、 inshore industry

    文章從海岸帶地區資源開發與產業布局的角度出發,對港口資源、水產資源、潮汐能資源、海鹽資源、旅遊資源等的開發與利用,採用定性與定量相結合的方法,進行了深入地分析,並提出了各產業,如港口運輸業、農業、臨海工業、濱海旅遊業等存在的問題與相應的解決措施。
  9. Quantitative analysis for the stress distribution has proved the feasibility of micro - grid material application in industrial furnace

    對微格柵砌體應力分佈的定量分析表明:微格柵砌體完全能夠滿足工業爐爐體的力學性能要求。
  10. Based on the natural conditions, land use and production situation and implementation of the valley harnessing measures in the anjiagou river basin, dingxi county, gansu province, in this study the land use types, spatial distribution mode of land use structure, costs of farming, forestry and animal husbandry and their economic returns are analyzed, the qualitative and quantitative maximum economic returns of agriculture and animal husbandry are lucubrated, and an optimized design of land use structure is carried out by using the linear programming method and developing a mathematic model under the restriction of land area, labor forces, livestock forces, social requirements and forage supply

    摘要根據甘肅定西安家溝流域自然條件、土地利用狀況、治理措施和生產狀況,通過對土地利用的類型、結構空間分佈模式以及人財物資源的輸入和輸出分析,以種植業和畜牧業總體最大純經濟效益最高為目標,從定性到定量,通過建立數學模型,在土地面積、勞動力、畜力、社會需求和飼料需求的約束之下,應用線性規劃方法進行土地利用結構優化設計,求解最優目標解,得出優化方案。
  11. This thesis focuses on techniques of dynamic fault tree in system reliability modeling and its qualitative and quantitative analysis. it studies bdd solution for static sub trees 、 markov chain solution for dynamic sub tree briefly and the modularization of dynamic fault tree ; presents the algorithm for top event occurrence rate of dynamic fault tree based on weibull distribution. then this thesis presents a new approach to solve top event occurrence rate and a new generation algorithm of minimal cut sequence of dynamic fault tree that deviate from markov model completely

    本文著眼于動態故障樹在系統可靠性建模及定性定量分析中的技術,研究了基於bdd的靜態子樹分析方法、基於馬爾可夫模型的動態子樹分析方法以及動態故障樹模塊化方法,並提出了基於威布爾分佈的動態故障樹頂事件發生概率計算方法;提出了一種完全脫離馬爾可夫模型的求解動態故障樹頂事件發生概率的方法和一種最小順序割集的生成方法。
  12. Referencing between the genetic soil classification of china ( gscc ) and the chinese soil taxonomy ( cst ) for gscc - high - mountain - soils was conducted and their quantitative and spatial distribution characteristics within cst were studied, based on the 1 : 1m soil database of china, which consists of 3 parts, 1 : 1m digital soil map, soils profiles attribution database and soil reference system of china

    摘要本文利用最新建立的1 : 100萬中國土壤數據庫,研究了我國發生分類高山土與中國土壤系統分類的參比及其在系統分類下的空間分佈和數量特徵。
  13. The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible

    本文應用測井參數的bp神經網路裂縫綜合識別方法、三維地震裂縫檢測技術,預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律;並用有限元法數值模擬技術展示出不同主力油層的平面古應力狀態,為研究裂縫的平面分佈規律提供了理論依據;在此基礎上,依據巖石破裂準則進行了構造裂縫定量預測。
  14. By virtue of qualitative and quantitative methods, the paper gives a picture of the overall distribution in china

    論文用定性與定量相結合的方法,論述了我國集裝箱樞紐港的整體布局。
  15. The neogene is a key stage of terrestrial environmental evolution in yunnan. three stratigraphic sections including luhe ( late miocene ), yangyi and longling ( late pliocene ) were selected to reconstruct vertical landscape of paleovegetation in these areas, based on palynological data. according to principle of the coexistence approach, seven quantitative paleoclimatic parameters of each deposit area were obtained by using meteorological data ( 1951 - 1980 ) of the distribution area of extant taxa found each palynoflora in china

    晚第三紀是雲南地區環境演變過程中的關鍵地質歷史時段,本論文以晚第三紀晚中新世(呂合) 、晚上新世(羊邑和龍陵)地層中的孢粉為研究對象,結合同層位大化石植物證據,參照現代植被,恢復了雲南三個化石出產地區的古植被垂直分佈景觀,並定性地描述了古氣候;同時運用共存分析方法( theco - existenceapproach )定量化地重建了三個地區的古氣候參數值;初步推測了沉積地可能的古海拔。
  16. Visual modflow computer code was selected to simulate heads distribution, calculate the zone budgets of the area, evaluate the effect of external stresses on the groundwater head, to determine how much water would be diverted from the river as the result of pumping and to demonstrate how the groundwater model can be used as a comparative technique to formulate a new approach for the quantitative groundwater vulnerability assessment in order to optimize utilization of the resource

    在分析河床沉積物滲透性對模型結果的影響時,採用了實際野外水文地質條件而不像前人所採用的假想模型。本論文用visualmodflow建立數值模型模擬預測了地下水水頭分佈,計算區域的水均衡,分析源匯項對地下水水位的影響。在此基礎上進行了全區的地下水脆弱性評價,為地下水資源的合理開發利用提供依據。
  17. The mixing degree model was established to study the mixing progress of primary and secondary flow. the loss elements of all zones were deeply analyzed and thus the quantitative loss models based on total pressure loss and entropy increase respectively were constructed. the results show that the performance loss magnitude and distribution in ejecting mode of rbcc can be better described by the quantitative loss model expressed by entropy increase

    提出用摻混度模型來研究一次流與二次流的摻混程度,並深入分析了各流動區域的損失因素,建立了以總壓損失和熵增分析為基礎的損失量化分析模型,計算的結果表明,採用熵增模型描述的損失因子能量化反應引射摻混損失的分佈和大小。
  18. The qualitative study and quantitative simulation has resolved the " seven analysis " that are qualitative analysis ( characteristic analysis of static geologic elements ), boundary analysis ( of oil and gas distribution ), time analysis ( of pool - forming ), direction analysis ( of migration of oil and gas ), quantitative analysis ( of migration and accumulation scale of oil and gas ), location analysis ( of petroleum province ), and zone analysis ( of oil and gas accumulation )

    含油氣系統定性研究和盆地模擬定量過程模擬及其相互關系研究解決了「七定」問題,即「定性」 (靜態地質要素的特徵描述) 、 「定界」 (油氣分佈邊界) 、 「定時」 (油氣成藏形成時間) 、 「定向」 (油氣運移方向) 、 「定量」 (油氣運移聚集規模) 、 「定位」 (油氣聚集區)和「定帶」 (有利區帶預測)問題。
  19. Species composition and quantitative distribution of phytoplankton near the jiuduansha waters of yangtze river estuary

    長江口九段沙附近水體浮游植物的種類組成與數量分佈
  20. The results showed that the a cinerarius populations were in aggregated pattern of distribution during tile three years in this district, but the aggregation degree as well as the spatial and quantitative distribution varied dynamically

    結果顯示, 3年中春尺蠖種群均為聚集分佈,但聚集程度、種群空間分佈和數量處于動態變化之中。
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