The effects of applying cotton growth and development model to the integrated control of insect pests of cotton were studied.
研究了棉花生育状态模型在棉虫综合防治中的应用效果。
Build a good crop growth and development model, not only can predict the crop in different environmental conditions, most need to re-estimate the model parameters and optimization.
构建良好的作物生长发育模型，不但可以预测作物在不同的环境条件下模型参数大多需要重新估计和优化。
Photosynthesis and dry-matter partioning are main procedures in crop growth and development models. In this paper, a model is presented based on experiment of sweet potato variety Xushu 18.
光合作用和于物质的生产与分配模型是作物生长模拟模型中最基础的部分，在试验的基础上以徐薯18为例建立模型。
The development of the ring-banded spherulites in PTT solution-cast film is a rhythmic growth process, and thus it is consistent with the structural discontinuity model.
确定了环带球晶的形成机理，即间歇式增长过程，符合结构不连续模型。
It includes five models: growth stage model, shape development model, dry matter accumulation model, nutrient absorption model and yield model and so on.
本研究包括五个子模型，即生育期子模型、形态发育子模型、干物质积累子模型、养分吸收子模型、产量形成子模型。
In this paper, reliability growth model for binomial distribution is considered, and the constrained MLE of parameter for each development stage are given.
本文考虑了二项分布的可靠性增长模型，给出了各研制阶段参数的约束极大似然估计。
Based on simulated model of JiangNan Double Crop rice, growth and development status of early rice effected only by climate condition in ChangDe Area from1961to2000were simulated respectively.
以江南双季稻生长评估模型为工具，模拟了常德地区1961 - 2000年早稻的生长状况。
The utility model belongs to the ecological environment device for breeding scorpions, which is suitable for the growth and development of the scorpions.
本实用新型属于适合蝎子生长、发育的生态环境养蝎装置。
Based on growth and development data of Yali pear at different years, the grey related degree analysis and G(0, m)prediction model were carried out.
以不同树龄鸭梨树的生长发育资料为依据，利用灰色关联分析法，对鸭梨产量与树体发育指标的关联程度进行了分析。
Based on growth and development data of Yali pear at different years, the grey related degree analysis and G(0, m)prediction model were carried out.
以不同树龄鸭梨树的生长发育资料为依据，利用灰色关联分析法，对鸭梨产量与树体发育指标的关联程度进行了分析。
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