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The causal model role of ICTs in food utilization of Iranian rural households
Capabilities information and communications technologies
2011/1/12
Access to desirable, sufficient, safe and nutritious food is one of the basic components of the development and health of a society.
Impact on the Chinese soybean markets from international prices volatility: Empirical study based on VEC model
Soybean market soybean import prices volatility financial crisis VEC model
2011/1/12
The paper uses VEC model to analyze the impact of international prices volatility on Chinese soybean spot and future markets before and since the outbreak of the global financial crisis.
以仓内玉米堆为研究对象，运用孔道网络方法和传递过程原理等知识，建立了考虑颗粒自身热质传递、孔隙气相对流、温度梯度和孔道结构特征等因素的仓内谷物通风干燥孔道网络模型。该模型具有易拓展，干燥变量信息全面，可直接输入物料结构特征参数来模拟预测干燥特性等优点。
Characteristics of Dry Matter Production Process in High Yielding Rice Varieties:V. Model simulation of canopy photosynthesis
Canopy photosynthesis Canopy structure Crop growth rate Dry matter production High yielding rice variety
2009/8/4
Canopy photosynthesis was simulated by using the modified Horie's model (1981) on the basis of measured canopy structure (Fig. 1), light intercepting characteristics (Fig. 2, 3, 4, Table 1) and leaf p...
A Knowledge-Based Model for Nitrogen Management in Rice and Wheat
Grain yield Nitrogen fertilization model Nitrogen strategy Rice Wheat
2009/7/20
Excessive nitrogen fertilization results in low nitrogen-use efficiency. To improve nitrogen management for high yield and high nitrogen efficiency in rice and wheat, we developed a knowledge-based ni...