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  blank model
     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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     Based on common by used crop water production function models, such as Doorenbos model, Jensen Model and Blank Model, equations used to estimate all types of SI are derived.
     以Doorebos模型、Jensen模型和Blank模型等常见作物水分生产函数模型为基础,导出了各种敏感性指标的计算公式。
短句来源
     This paper compares genetic programming model with BP networks model, Jensen model and Blank model and the outcomes show that the genetic programming model has high accuracy and is more effective. The model provides a new approach to calculate water production function.
     将基于遗传程序设计作物水分生产函数模型同BP神经网络模型、Jensen模型以及Blank模型进行比较,实例表明,遗传程序设计的作物水分生产函数模型适应性强,拟合精度高,为作物水分生产函数的计算提供了新的有效方法。
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  “blank模型”译为未确定词的双语例句
     The result shows that: The variation rhythm of the sensitivity index (coefficient) changed unanimously for Jensen,Blank and Stewart water production functions of spring wheat in Liangzhou city,the volume is small in the former stage,then become large at the middle stage,and less at the last stage.
     结果表明:1985-1986 年凉州春小麦Jensen 模型、Blank 模型和Stewart 模型的敏感指数变化规律接近一致,在前期较小,中期增大,最后再减小。
短句来源
     The Variation rhythm of water deficiency sensitive index is unanimous in Jensen,Blank and Minhas of flax in Liangzhou county in 1987-1989. The water deficiency sensitive index(deficient) in Gulang district in 1987-1989 models bad,are too many minus.
     1983-1985 年凉州亚麻水分生产函数以Jensen 模型、Blank 模型和Minhas 模型敏感指标值变化规律比较一致:先减小,后增大,最后再减小。 1987-1989 古浪亚麻敏感指数出现负值较多,模型拟合较差。
短句来源
     This paper analyzes Blank and Jensen models of water production functions by using successive two years data in Wangdu Irrigation Experimental Station, which were measured in different irrigated treatments, to stimulate the relationship of wheat evapotranspiration and wheat yield.
     本文应用望都实验站连续两年夏玉米的不同灌水处理下对应的产量的试验资料,分别用Blank模型和Jensen模型来拟合夏玉米的ET(耗水量)与Y(产量)的关系。
  相似匹配句对
     S. models have been found.
     S.模型
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     This improved mixing dielectric model yields an excellent fit to measured data.
     模型
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     Using Rate-Blank to eliminate the interference on the determination of creatinine
     利用Rate-Blank消除胆红素对肌酐测定的负干扰因素
短句来源
     POL signal can invert the polarity of the output pulse,and blank signal can set all outputs to low.
     该电路具有POL输出极性控制、blank屏幕消隐控制等功能。
短句来源
     Conclusion Rate-Blank method can basically eliminate the interference of bilirubin on the determination of creatinine with Jaffe.
     结论采用Rate-Blank RateA可基本消除胆红素对苦味酸测定肌酐的干扰。
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  blank model
Result IL-1B, IL-6 and TNF-a level in the blank model group was obviously higher than that in the normal group.
      
Conclusions 1) IL-1B, IL-6 and TNF-a level of the joint fluid in the blank model group was obviously higher than that in the normal group.
      
The idea was to substitute the blank model with a model of the component that was to be operated on.
      


Sensibility of Crop to water deficit is the basis for irrigation scheduling under limited water supply. In this paper, the concept of sensitive index( SI ) of crop yield to water deficit is presented. In line with the concept, the forms of average SI , normalized SI and marginal SI are given. Based on common by used crop water production function models, such as Doorenbos model, Jensen Model and Blank Model, equations used to estimate all types of SI are derived. The variation of the...

Sensibility of Crop to water deficit is the basis for irrigation scheduling under limited water supply. In this paper, the concept of sensitive index( SI ) of crop yield to water deficit is presented. In line with the concept, the forms of average SI , normalized SI and marginal SI are given. Based on common by used crop water production function models, such as Doorenbos model, Jensen Model and Blank Model, equations used to estimate all types of SI are derived. The variation of the sensitive indies is also analyzed with experimental data.

在灌溉水资源不足时,作物对水分亏缺的敏感性是确定最优灌溉制度的基础。本文提出了作物对水分亏缺的敏感性指标的定义,基于此定义,给出了平均敏感性指标、概化的敏感性指标以及边际敏感性指标的具体表达式。以Doorebos模型、Jensen模型和Blank模型等常见作物水分生产函数模型为基础,导出了各种敏感性指标的计算公式。最后,根据水稻试验资料,分析了敏感性指标的变化规律。

A model of genetic programming was established to describe crop water production function. The model that is more flexible and intelligent can find the optimal structure automatically by evolutionary algorithm and can avoid the inconvenience of establishing concrete formula. This paper compares genetic programming model with BP networks model, Jensen model and Blank model and the outcomes show that the genetic programming model has high accuracy and is more effective. The model provides a new approach to calculate...

A model of genetic programming was established to describe crop water production function. The model that is more flexible and intelligent can find the optimal structure automatically by evolutionary algorithm and can avoid the inconvenience of establishing concrete formula. This paper compares genetic programming model with BP networks model, Jensen model and Blank model and the outcomes show that the genetic programming model has high accuracy and is more effective. The model provides a new approach to calculate water production function.

利用遗传程序自动搜索模型结构能力强的优点,建立了基于遗传程序设计的作物水分生产函数模型。该方法通过演化计算自动寻找最优的模型结构,比传统统计方法具有较大的灵活性和智能性,避免了预先建立具体数学表达式的不便。将基于遗传程序设计作物水分生产函数模型同BP神经网络模型、Jensen模型以及Blank模型进行比较,实例表明,遗传程序设计的作物水分生产函数模型适应性强,拟合精度高,为作物水分生产函数的计算提供了新的有效方法。

>=Hebei Plain was short of water extremely in recent years, maize is one of the main crops in the Hebei Plain, if an available water production function can be found , and using it to formulate a rational irrigation schedule will have important significance to saving water agriculture there. This paper analyzes Blank and Jensen models of water production functions by using successive two years data in Wangdu Irrigation Experimental Station, which were measured in different irrigated treatments, to stimulate...

>=Hebei Plain was short of water extremely in recent years, maize is one of the main crops in the Hebei Plain, if an available water production function can be found , and using it to formulate a rational irrigation schedule will have important significance to saving water agriculture there. This paper analyzes Blank and Jensen models of water production functions by using successive two years data in Wangdu Irrigation Experimental Station, which were measured in different irrigated treatments, to stimulate the relationship of wheat evapotranspiration and wheat yield.

近年来河北平原严重缺水,夏玉米作为河北平原主要粮食作物之一,若能找到一种适宜该地区的夏玉米水分生产函数,并用其制定科学的灌溉制度,对于该省的节水农业将有重要意义。本文应用望都实验站连续两年夏玉米的不同灌水处理下对应的产量的试验资料,分别用Blank模型和Jensen模型来拟合夏玉米的ET(耗水量)与Y(产量)的关系。

 
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