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UNDERSTANDING SPATIAL VARIABILITY OF CROPPING SYSTEM RESPONSE TO CLIMATE CHANGE IN PUNJAB STATE OF INDIA USING REMOTE SENSING DATA AND SIMULATION MODEL
CropSyst Spatial impact HadCM3 A2 B2 Agricultural system yield
2014/5/6
The present study investigated the impact of climate change, as projected by the Global Climate Model, HadCM3 for two different storyline (A2, B2), on the total crop production of Punjab state of Indi...
基于Drucker-Prager屈服准则与弹性力学问题有限元方法，以小麦为例建立了松散物料与某型号钢板锥仓的接触数学模型。在合理建模基础上解决了松散物料与锥仓接触时接触面上必须满足的位移条件、力的传递关系以及力与位移的关系。通过建立求解方程与计算程序，使用Lagrange乘子法与罚函数法相结合进行强制接触协调，获得了较精确的计算结果。结果表明，散料在锥仓中接触摩擦应力与接触状态相关，应力值较小，总...
Measurement of water infiltration in soil using the rain simulation method
rain simulator rainfall intensity water surface runoff water infiltration speed in soil
2014/2/27
For the measurement of the infiltration speed under operational conditions, we were equipped by a rain simulator with the measuring surface of 0.5 m2. The infiltration speed is determined from the def...