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jensen model
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  jensen模型
    Study of Linear Imitation for the Accumulated Function of the Sensitive Index in the Rice's Jensen model
    水稻的Jensen模型中敏感指数累积函数拟合公式的线性化研究
短句来源
    Year-to-Year Variations of Sensitivity Index in Jensen Model for Winter Wheat in Eastern Area Plain of Henan Province
    豫东平原冬小麦Jensen模型中敏感指数的年际变化
短句来源
    Based on Jensen model, two-dimension dynamic programming was taken to make an optimum irrigation schedule of winter wheat. Water was irrigated in the most sensitive phase of crop to water, and the water use efficiency was improved.
    并在Jensen模型基础上,采用二维动态规划原理,制定出冬小麦优化灌溉制度,在作物水分亏缺最敏感的时期进行限水灌溉,提高水分利用效率。
短句来源
    to silage corn, Jensen model disclosure the numerical relation between yield and water, the most sensitive stage to water is from jointing stage to heading stage.
    对于青贮玉米,Jensen 模型能较好地揭示其产量和水分之间的数量关系,拔节-抽穗期对水分最为敏感。
短句来源
    The wheat water product function of Heilong-gang area was simulated by Jensen model, Minhas model, Blank model, Stewart model. The result showed that Jensen model was optimal in Heilonggang area.
    本文应用冬小麦的不同灌水处理下的耗水量计算结果及对应的籽粒产量的试验资料,用Jensen模型、Minhas模型、Blank模型、Stewart模型分别对黑龙港地区冬小麦的水分生产函数进行了拟合并对得出的模型求解结果进行了比较分析,结果表明,黑龙港地区小麦水分生产函数用Jensen模型拟合效果最佳。
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  “jensen model”译为未确定词的双语例句
    By analysis on incremertal effect of irrigation in different growth stages ofthe lucerne and yield less due to water deficiency,the paper calculated the sensitive index ofwater deficiency in different growth sfages of the luceme by Jensen Model,and puts forwardthe system model of optimum irrigtion of the lucerne under water deficient condition. At thesame time it introduces the method which can resolve the optimun irrigation system by dy-namic program,and the calculated result of the optimum irrigation system of the lucerne.
    通过对苜蓿各生长阶段灌水的增产效果及缺水对产量的影响分析,应用詹森(Jensen)模型计算出了苜蓿各阶段缺水敏感性指标,提出了缺水灌溉条件下苜蓿优化灌溉制度模型,并详细介绍了用动态规划法求解优化灌溉制度的方法。
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  jensen model
In this study a function for transformingthe readily available yield response factors of Doorenbos andKassam's model to the sensitivity index of Jensen model isderived.
      


On the base of analysing the function of water -crop yield and through experiments,the anthor of this paper has revised the Jensen Model and presented the function of water -environment-crop yield suitable for this experiment region. And a model of predicting the water insufficient sensitivity coeffcient has been setup.

本文在对作物水分生产函数分析的基础上,通过试验对Jensen模型进行了修正,提出了适合研究区的作物水分环境生产函数,同时,建立了缺水敏感指数ε_i预报模型

Based on the experimental data in 1988-1993 from Guilin prefecture in Guangxi Autonomous Region,the models of water produn function for rice,which can be applied to south China,are investigated.The regularity of the variation of water sensitivity parameters in the various models has been discussed.It is suggested that the water.sensitivity parameters of water production t'ullclion for rice is varied with the hydrology years,especially,the relationship between the sensitivity indices for Jensen...

Based on the experimental data in 1988-1993 from Guilin prefecture in Guangxi Autonomous Region,the models of water produn function for rice,which can be applied to south China,are investigated.The regularity of the variation of water sensitivity parameters in the various models has been discussed.It is suggested that the water.sensitivity parameters of water production t'ullclion for rice is varied with the hydrology years,especially,the relationship between the sensitivity indices for Jensen model and the reference evapotranspiration has been presented.Thus,the principle and methods for widenning the applied ranges of time and space have been established.

本文根据广西桂林地区灌溉试验中心站1988年以来的五年观测试验成果,分析研究适用于我国南方的水稻水分生产函数模型,探讨各种模型中水分敏感性参数的变化规律,提出水稻水分生产函数随水文年度呈规律性变化的观点,特别是具体提出了Jensen模型中水分敏感指数与参照作物需水量的关系,为拓宽水分生产函数应用的时空范围提供了依据及方法.

By analysis on incremertal effect of irrigation in different growth stages ofthe lucerne and yield less due to water deficiency,the paper calculated the sensitive index ofwater deficiency in different growth sfages of the luceme by Jensen Model,and puts forwardthe system model of optimum irrigtion of the lucerne under water deficient condition.At thesame time it introduces the method which can resolve the optimun irrigation system by dy-namic program,and the calculated result of the optimum irrigation...

By analysis on incremertal effect of irrigation in different growth stages ofthe lucerne and yield less due to water deficiency,the paper calculated the sensitive index ofwater deficiency in different growth sfages of the luceme by Jensen Model,and puts forwardthe system model of optimum irrigtion of the lucerne under water deficient condition.At thesame time it introduces the method which can resolve the optimun irrigation system by dy-namic program,and the calculated result of the optimum irrigation system of the lucerne.

通过对苜蓿各生长阶段灌水的增产效果及缺水对产量的影响分析,应用詹森(Jensen)模型计算出了苜蓿各阶段缺水敏感性指标,提出了缺水灌溉条件下苜蓿优化灌溉制度模型,并详细介绍了用动态规划法求解优化灌溉制度的方法。

 
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