calculated yield 中文意思是什麼

calculated yield 解釋
計算凈毛率
  • calculated : adj. 1. 有計劃的，有意的，故意的。2. （預備）供…之用的，合於…之用的。3. 算清了的；被預測出的。
  • yield : vt 1 生出，產生（作物、報酬、利益等）。2 給與，讓與；讓渡；放棄（權利、地位等）；交出。3 承認。4 ...
  1. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象，對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析，分析了沙區的水資源狀況，從地表熱量平衡、水量平衡的基本理論出發，結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型，計算了該地區的地表水、地下水，根據實際資料進行了模型檢驗，並對未來不同氣候變化情景下的水資源狀況進行了預測分析，提出了該地區水資源合理利用的方案，運用非線性動力模型對降水量進行預測，同時利用實際觀測資料，運用水量平衡原理計算出沙地地下水的天然補給量，並對沙區地下水可開采量進行預測。
  2. For a given rice variety, the crop harvest index, which is calculated by the grain yield divided by total dry matter produced above ground, may vary with crop management practices used

    對于給定的水稻品種，作物收獲指數（由籽粒產量除以地上部分總干物重求得）可能隨作物管理措施不同而變化。
  3. The more frequently interest is calculated, the greater the yield will be. when an investment pays interest annually, its rate and yield are the same

    計算利息的周期越短收益就越高.在投資利息是按年計算時則利率和收益是相同的
  4. Taking the population calculated from the basic seedlings formulas self - drafted of the dry - land seedling - raised on plastic trays ( dpt ) with scattered - planting in double - season rice as the middling population, one population of the higher and the lower were set respectively, and the yields and yield formations of these different basic populations were compared

    摘要以自擬基本苗公式計算出的苗數為中等群體，設置上下水平基本苗數各1個為對照，比較了早、晚稻塑盤早育拋栽不同群體起點產量及其形成的差異。
  5. Using these data, we estimated cotton planting farmers " pesticides application equation and damage control production function, calculated the impact of bt cotton on pesticides use and cotton yield, and compared the poisonging probability due to pesticides application between bt cotton and non - bt cotton planting farmers. using bt cotton adoption area and the above results, this paper calculates the impacts of bt cotton on pesticides application, cotton production and poison cases all over china since the beginning of its adoption in china in 1997. the results demonstrate that the adoption of bt cotton reduced pesticides use approximatly 35kg per ha ; this is equivalent to 875 yuan of cost reduction

    利用這些數據我們估計了種植棉花（包括轉基因抗蟲棉和非抗蟲棉）農產農藥施用方程和棉花損失控制生產函數（ damagecontrolproductionfunction ） ，估計了抗蟲棉對棉花農藥使用和棉花產量的影響，同時比較了種植bt棉與非bt棉農產在使用農藥過程中中毒概率的差異，在此基礎上，利用抗蟲棉在全國各地的推廣面積以及以上的分析結果，測算了1997年以來抗蟲棉的推廣對全國棉花農藥使用量、棉花產量以及棉農施農藥中毒事件的影響，並對其經濟影響的不同受益者作了分析分解。
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，得到了含多裂紋有限大板在任意載荷作用下應力場的級數解，並應用斷裂力學方法確定裂紋尖端的應力強度因子；引入當量屈服應力考慮裂尖塑性區的影響，提出基於帶屈服準則的剩餘強度分析模型，能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響；通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律，得到了一系列對工程應用具有實用價值的結論。
  7. And the influence of water condition to growth and yield of crops were discussed briefly. then based on the meteorological data, yield data, drought and flood data of jiangsu province from 1961 to 2000, the water profit and loss of every ten days in the growing period of crops was calculated on the foundation of the water balance formula in every agriculture climate district. the disaster index of drought and flood was confirmed and calculated

    根據江蘇省近40餘年的氣象資料、產量資料和旱澇災害資料，分農業氣候區利用農田水分平衡方程計算了不同作物逐旬水分盈虧量，確定了旱澇災害指數，並用多元積分回歸方法分析了降水對棉花和小麥產量的定量影響，得出作物生長期內逐旬水分敏感指數。
  8. After harvesting, we separated plant parts to determine economic yield and biological yield, calculated energy of the different parts according to a conversion ratio of energy and studied energy structure and energy efficiency of alley cropping by statistical analysis

    通過兩年田間小區試驗，詳細記錄所有勞力投入、化肥投入、農藥投入、農事管理活動以及落葉的數量並折算為標準能量單位。
  9. Based on the analysis of crop structure and crop yield according to the statistic data in 1949 ~ 2000 year. the total water consumption of main crops and the amount of rainwater utilized have been calculated. the rapid increase in water demand for crops production after the late eighties is the one of main reasons of the water resources crisis in baoding area. the efficient precipitation, the water demand and the deficiencies of main crops in different typical years and in different growth period in baoding plain have been studied in detail. the factors of water use efficiency of different crops have been put forward through the analysis of test data in typical year

    本文利用保定市1949 2000年主要農作物的種植面積與產量統計資料，在分析了歷年種植結構變化、單產變化的基礎上，明確了歷年糧食總產變化情況，計算了歷年糧食生產的總需水量及其變化；根據農作物的雨水資源的變化規律，分析了歷年用於糧食生產的有效降水量；得出了保定市農業用水量從90年代中後期大幅度增加而有效降雨量的明顯減小，是造成保定市水資源供需矛盾突出的主要原因之一。
  10. On the basis, three elastic calculation coefficients of the two - way composite slab on three common boundary conditions are deduced and calculated by applying the classic elastic plane theory. in the thesis, the elastic design methods of pk prestressed composite two - way slab is explored and studied by the example. furthermore, it is also studied how to apply the yield - line design method to design the prestressed two - way composite floor slabs

    本文以此為依據，應用經典彎曲薄板理論，採用李維法推導和計算了這種雙向樓板三種常見邊界下的撓度和內彎矩彈性計算系數，並在此基礎上通過算例探討了pk預應力雙向疊合樓板的彈性設計方法，同時還對其塑性鉸線設計方法進行了研究。
  11. By controlling the stress value of under - lying layer less than tits structure yield stress value, a new design method to decrease composite ground settlement is suggested. and the composite foundation settlements of 12 buildings with the deep mixing cement piles is calculated, which is in good accord well with the measurement in field. second, considering the influence of well resistance, smear effect and structure breakage of thick soft clay, the equivalent calculation method is proposed

    首先，結合溫州地區深厚軟土，通過對室內常規試驗結果的分析，發現軟土具有較強的結構性，並給出室內固結壓縮曲線校正的新方法；提出了通過控制未打穿水泥攪拌樁復合地基下臥層的應力水平，使其小於土體結構屈服應力，以大幅度減小沉降的復合地基設計方法，並通過與12幢住宅樓未打穿水泥攪拌樁復合地基的實測沉降對比，得到了良好的驗證，進一步完善了結構性軟土壓縮變形的計算方法。
  12. I calculated and experimentally verified that such mirrors with the proper focal length require that the object be illuminated by direct sunlight to yield a visible image on the support

    我計算並以實驗確定，即使有適當的焦距，這樣的鏡子需要物體直接受到陽光照射，才能在屏臺上製造看得見的影像。
  13. At the same time, several yield criterions are studied in order to find the best one. on the base of above, a rational safety factor of slope is calculated with shear strength reduction technique

    第三，在彈性數值流形元的基礎上，考慮了土體彈塑性的應力?應變關系，研製了彈塑性流形單元分析程序。
  14. On the background of irrigation and nonirrigation, making natural moisture deficiency rates calculated basing on the theory of balance of water as axis, and risk assessment techniques and methods as core, the risk levels of effect that drought on yield of winter wheat in semi - humid and semi - drought areas in recent 40 years were studied by two methods from actual yields and productive potentialities respectively. the spatial distribution principles and losses zonation were made by mapinfo

    基於非灌溉與灌溉兩種背景，以水分平衡原理求得的冬小麥全生育期自然水分虧缺率為軸線，以風險評估技術方法為核心，分別從實際產量和生產力兩種途徑研究了北方冬麥區近40年乾旱對冬小麥影響的風險水平，利用mapinfo實現空間的分佈規律及災損區劃。
  15. Based on the results obtained as stated, it is thus suggested that with improvement in data conditions, runoff yield could be calculated on grid format and results for both models appropriately enhanced

    同時結果還表明，在資料條件允許下，產流可以基於單元格計算，這樣兩個模型的結果都會得到改善和提高。
  16. Deformation of preloaded soft ground was calculated with the yin ' s double yield surface model, the viscoelastic - viscoplastic model and the viscoelastic - viscoplastic damage model respectively

    結合堆載預壓加固軟基實例，分別採用殷宗澤雙屈服面模型、粘彈粘塑性和粘彈粘塑性損傷模型進行有限元分析。
  17. Examination of past research results indicates that crop yields, even in research trials hardly ever reach their yield potential, as calculated from soil moisture availability

    考察以往的研究結果，即使在試驗的條件下，也很難達到根據土壤水分有效性所計算出來的產量潛力。
  18. The total return on notes is measured by the yield to maturity, which is calculated with reference to the sum of interest payments, principal amount receivable upon maturity, with respect to the purchase price

    債券的總回報是以到期收益率來量度，而有關收益率則參考利息總額及於到期時收取的本金，相對購買價來計算。
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