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- leaf area model 叶面积模型
- A Preliminary Study on the Mathematic Model of Leaf Area of Ulmus pumila Linn. 与相似的文献。
- Leaf area is the best measure of the photosynthesizing capacity of the plant. 叶面积是测定植株光合能力的最好尺度。
- The simulation results indicated that CERES-Wheat model underestimated leaf area index and aboveground biomass of wheat under water stress and the difference between simulated and observed value was relatively significant. 结果表明,在水分胁迫条件下,CERES-Wheat模型明显低估了冬小麦的叶面积指数和地上部分生物量,模拟的准确度不够高。
- In this paper, CERES-Wheat model was run to simulate leaf area index, aboveground biomass, stems per square meter, phenology and growth duration of winter wheat under water-limited condition and the simulated data was compared with the observed data. 本文利用该模型对限水条件下冬小麦的叶面积指数、地上部分生物量、茎蘖数、物候期和生育期进行了逐日动态模拟,并将模拟结果与实测数据进行了比较。
- The Earth's albedo varies mainly through varying cloudiness, snow, ice, leaf area and land cover changes. 地球的反射率主要因云的变化、冰、雪和土地覆被状况的改变而变化。
- Sensitivity of Tropical Land Climate to Leaf Area Index: Role of Surface Conductance versus Albedo. 热带陆地气候对叶面积指数的敏感性:地面传导与反照率的作用。
- Adequate N and water can hasten the leaf growth and increase the leaf area and tiller. 充足N肥和水分有利于促进春小麦叶片生长,明显提高叶面积和分蘖。
- The heritability of leaf length and width, leaf area, SLW and leaf blade curvature were higher than 0.5. 叶宽和比叶重的基因作用主要表现为加性效应;
- Leaf area and dry weight based Chlorophyll content were increased under shade condition. 单位乾重及单位面积叶绿素含量在遮荫下皆有增加的趋势。
- Abstract: The paper studied the variational process of leaf area index (LAI), leaf chl orophyll density (CH. 中文摘要: 分析了北京大屯科技站水稻叶面积指数 (LAI)、叶绿素密度 (CH .
- The projecting model is constructed using classical interior ballistic theory, and the gasbag volume and the valid thrust area models are built according to gasbag expanding. 利用经典内弹道理论建立其抛射过程的内弹道模型,根据气囊膨胀过程的特点建立了气囊容积及有效推力面积模型;
- MDA, RWC and leaf area etc can be indexes of drought resistance of maize during its seeding stage. MDA含量、相对含水量、叶面积等可作为玉米苗期抗旱性鉴定的指标。
- The aim of this paper is to investigate the feasibility of using Landsat 7 ETM~+ data to estimate Leaf Area Index (LAI). 研究利用Landsat7ETM+遥感数据获取黑河流域植被叶面积指数(LAI)空间分布的可行性。
- The cultivars that had a high chl (a+b) value,low chl (a/b) value and relatively big Flag Leaf area could be selected in wheat breeding. 小麦育种上应选择生育后期叶绿素 (a +b)较高 ,叶绿素 (a/b)值低 ,且旗叶面积相对较大的品种。
- When the K level was above 135 kg/hm2,the stem girth and maximal leaf area differed significantly as compared with CK,so did LAI. 茎围和最大叶的面积在施用 135 kg/hm2以上的处理与 CK 之间的差异性达到极显著水平,叶面积指数也存在显著差异;
- Leaf area, leaf dry weight, spongy mesophyll thickness and the V:C ratio increased mainly with increasing soil water content. 叶面积、干重、叶肉海绵组织厚度和V/C等主要受土壤含水量的影响,并随着土壤含水量增加而增大;
- Using guidance from numerical products from both global and limited area models,forecasters can now issue weather forecasts several days ahead with reasonable confidence. 透过使用全球性和有限区域预报模式的数值产品,天文台对于准确发布未来数日的天气预测,现在已具一定信心。
- Defended Area Model Engagement Evaluation 设防区模型交战评估
- Spatial distributions and relationship between wheat leaf area index and yield were analyzed using geostatistics and correlation analysis methods. 摘要运用地统计学和相关分析法探讨了小麦叶面积指数与产量的空间分布及关系。