水分敏感指数,water sensitivity index
1)water sensitivity index水分敏感指数
1.Based on different water deficit treatments, water sensitivity indexes for spring wheat were established.通过不同的受旱处理,确定了Jensen模型中的春小麦水分敏感指数
2.Water sensitivity index resulting from the fitting shows a low-high-low trend during the growth period.依据部分灌区的田间试验数据,在全生育期采用二次抛物线模型、各生育阶段采用Jensen模型,并且运用最小二乘法原理,拟合了不同作物的水分生产函数,得出作物不同生育阶段的水分敏感指数,发现不同作物敏感指数值呈前期小、中期大、后期又变小的变化趋势且与农业灌溉实际相符,这一结论可为资源性缺水区域制定优化灌溉制度提供理论依据。
英文短句/例句

1.Water Sensitivity Indexes for Spring Wheat and Optimum Distribution of Limited Water During Its Development Stage;春小麦水分敏感指数与有限水量生育期的最优分配
2.Permeability Coefficient Sensitivity Analysis in Earth Dam of Yanshan Reservoir燕山水库土石坝渗透系数敏感性分析
3.Research on Reliability Analysis of Dam Slope Nonlinear Strength Stability and Parameter's Sensitivity非线性指标坝坡可靠度分析及参数敏感性研究
4.Parameter sensitivity analysis of S-lay technique for deepwater submarine pipeline深水海底管道S型铺设参数敏感性分析
5.Water Resources Alocation Decision Based on Weight Sensitivity Analysis基于权益系数敏感性分析的水资源配置决策
6.Analysis on Sensibility of Parameters of Thermodynamics Hydrologic Model of Glacial Snow Basin冰川积雪流域热力学水文模型参数敏感性分析
7.The Application of Model Parameter Sensitivity Analysis to Water Pollution Control in the Songhua River in the Dry Season模型参数敏感性分析在松花江枯水期水污染控制中的运用
8.Study on Assessment of Severe Accident Models for PWR Based on Comparison and Parameters Sensitivity Analysis;基于比较和参数敏感性分析的压水堆严重事故模型评价研究
9.A Robust Digital Watermarking Algorithm Based on Image Content Sensibility Analysis;一种基于图像内容敏感度分析的鲁棒数字水印算法
10.Sensitivity Research of Parameters to Water Cycle in Land Surface Model in Semi-Arid Area半干旱区陆面模式参数对水分循环的敏感性研究
11.The Concept and Substantial Calculation of the Susceptibility Coefficient of Sales Expense and its Effectiveness Index;企业销售费用敏感系数和效用指数的实证研究
12.Sensitivity Analysis of Drought Indices used in Shaanxi Province干旱指标在陕西省应用的敏感性分析
13.Sensitivity Analysis of Media Parameters in Numerical Simulation of Groundwater Flow in Wulantaolegai Water Source Region in Ordos Cretaceous Basin;鄂尔多斯白垩系盆地乌兰陶勒盖水源地地下水流数值模拟中介质参数的敏感度分析
14.HSDI:A Framework of Human Sustainable Development Indicators Involving Environment Factor;HSDI:植入环境敏感性因素的人类可持续发展指数
15.A Study on Parametric Sensitivity of Fuzzy Reasoning Based on Similarity;基于相似性推理中的参数敏感性分析
16.Analysis on Eliminate Calibration and Disturbance of Digital Sun Sensor数字式太阳敏感器标定与抗干扰分析
17.Analysis of Air Cushion Vehicle's Seaworthiness and Sensitive Parameters全垫升气垫船耐波性参数敏感度分析
18.Calbration and Sensitive Analysis on the Parameters of the WASP ModelWASP模型参数率定与敏感性分析
相关短句/例句

water sensitive index水分敏感指数
3)cumulative function of sensitive index水分敏感指数累积函数
4)water sensitivity index水分敏感指标
1.Through the above researches,such conclusions were drawn that in the course of fitting the semivariogram of the yearly annual mean rice water sensitivity index in Yunnan,the fitting precision of ordinary Kriging spherecial model is better than others;range at the direction of 80.利用云南水稻多年平均水分敏感指标数据,以地统计学作为理论工具,在地理信息系统软件平台上,对云南水稻水分敏感指标进行了空间变异规律分析,并优选出插值模型。
2.Based on analyzing effected factors of water sensitivity index,by using latitude,longitude,T_0 and effective soil moisture as input and water sensitivity index output,a BP artificial neural network structure containing two hidden layers is established.选用经度、纬度和土壤有效含水量、全生育期日平均参考作物腾发量作为输入因子,水分敏感指标作为输出因子,构建了一个具有二层隐含层的BP人工神经网络模型,利用湖北和广西的水稻试验数据作为样本对网络进行训练和检验。
5)salt sensitive index盐分敏感指数
1.Based on the experimental data the salt sensitive index and water sensitive index in different stage of winter wheat are given.本文建立了作物水盐动态响应模型,分析了模型中各参数的求解方法,并根据试验资料给出了冬小麦不同生育阶段盐分敏感指数σi和缺水敏感指数λi,为含盐劣质水灌溉管理及农作物高产提供了理论依据。
6)sensitive index敏感指数
1.The effect of yield due to deficient water in different stage can be expressed by the sensitive index λ_i.作物不同生育期缺水对产量的影响可用作物阶段水分敏感指数来表示。
2.It is not reasonable that sensitive indexes of Jensen’s mode as the crop-water production function are negative.对于作物水分生产函数的Jensen模型 ,其敏感指数出现负值的现象是不合理的。
3.furthermore, the sensitive index of Jensen s water production function model is analyzed.根据冬小麦返青后田间水量平衡估算出田间作物实际腾发量和最大腾发量,由此,对水分生产函数Jensen分阶段连乘模型中的敏感指数进行了拟合分析。
延伸阅读

迁移效率指数、偏好指数和差别指数迁移效率指数、偏好指数和差别指数 迁移效率指数、偏好指数和差别指数迁移效率指数是用于测定两地间人口迁移效率的指标。它是净迁移对总迁移之比。计算公式为:EIM一摇寿纂拼又‘。。上式中,}人么夕一材方}为i、]两地净迁移人数;从少+材户为i、]两地总迁移人数;El入了为迁移效率指数。 EIM的取值范围为。至100,如某一地区的值越大,反映迁移的的影响也越大。如果计算i地区与其他一切地区之间的人口迁移效率指数EIM厂,则: }艺材。一芝Mj、}EIM汀艺。+乏M,(j笋i) 迁移偏好指数是从一个地区向另一地区的实际迁移人数与期望迁移人数之比。计算公式为:____M.___材尸2行一:一二子一一不石一二,么M“ 了厂‘.厂‘、八 }二不十二六二1 、厂厂7上式中,M“为从i地迁到j地的实际迁移量;艺材。为总的人口迁移量;尸为总人口;M尸I,j为迁移偏好指数。通过计算迁移偏好指数,可以反映各地区的相对引力。 迁移差别指数是反映具有某种特征的迁移人口与非迁移人口区别的指数。例如,专业技术人员的人数所占比重,各种文化程度人数所占比重等,以便研究人才流失和其他间题。计算公式为:M‘从IMD、一翌不丝xl。。 .义V‘ N上式中,M为迁移人数;M,为具有i特征的迁移人数;N为非迁移人数;N‘为具有i特征的非迁移人数;了八了D、为迁移差别指数。