为明确不同雪茄品种生长发育对光强的响应差异,在室内模拟条件下,以雪茄品种BES NO H382(简称H382)和古引4号为材料,设置高光强[T200,光照强度为200±12μmol/(m^(2)·s)]和低光强[T100,光照强度为100±12μmol/(m^(2)·...为明确不同雪茄品种生长发育对光强的响应差异,在室内模拟条件下,以雪茄品种BES NO H382(简称H382)和古引4号为材料,设置高光强[T200,光照强度为200±12μmol/(m^(2)·s)]和低光强[T100,光照强度为100±12μmol/(m^(2)·s)]两个光强处理,分析了H382和古引4号在叶片形态、生物量、光合特性等方面对光强的响应差异。结果表明,与高光强处理相比,低光强处理下,H382和古引4号叶长分别增加19.8%、8.6%,叶宽分别增加18.1%、9.3%,叶面积分别增加42.1%、15.6%,H382叶片大小对光强变化的响应更敏感。同时,低光强处理下,H382和古引4号的生物量分别降低20.8%、41.8%,叶脉密度分别降低12.4%、9.4%,叶片厚度分别降低15.7%、19.7%,古引4号的生物量和叶片厚度对光强变化的响应更敏感。低光强处理下H382的表观量子效率升高34.4%,最大净光合速率和光补偿点分别降低21.9%、38.0%,而古引4号无显著变化。综上,H382和古引4号均对光强变化有一定的响应,可望通过遮荫等栽培措施调控烟叶生长。展开更多
In this paper, we study the existence of global attractor of a class of three-dimensional Brinkman-Forchheimer equation in some unbounded domains which satisfies Poincaré inequality. We use the tail estimation me...In this paper, we study the existence of global attractor of a class of three-dimensional Brinkman-Forchheimer equation in some unbounded domains which satisfies Poincaré inequality. We use the tail estimation method to establish the asymptotic compactness of the solution operator and then prove the existence of the global attractor in(H_0~1(Ω))~3.展开更多
In this paper,we study the dimension estimate of global attractor for a 3D Brinkman-Forchheimer equation.Based on the differentiability of the semigroup with respect to the initial data,we show that the global attract...In this paper,we study the dimension estimate of global attractor for a 3D Brinkman-Forchheimer equation.Based on the differentiability of the semigroup with respect to the initial data,we show that the global attractor of strong solution of the 3D BrinkmanForchheimer equation has finite Hausdorff and fractal dimensions.展开更多
文摘为明确不同雪茄品种生长发育对光强的响应差异,在室内模拟条件下,以雪茄品种BES NO H382(简称H382)和古引4号为材料,设置高光强[T200,光照强度为200±12μmol/(m^(2)·s)]和低光强[T100,光照强度为100±12μmol/(m^(2)·s)]两个光强处理,分析了H382和古引4号在叶片形态、生物量、光合特性等方面对光强的响应差异。结果表明,与高光强处理相比,低光强处理下,H382和古引4号叶长分别增加19.8%、8.6%,叶宽分别增加18.1%、9.3%,叶面积分别增加42.1%、15.6%,H382叶片大小对光强变化的响应更敏感。同时,低光强处理下,H382和古引4号的生物量分别降低20.8%、41.8%,叶脉密度分别降低12.4%、9.4%,叶片厚度分别降低15.7%、19.7%,古引4号的生物量和叶片厚度对光强变化的响应更敏感。低光强处理下H382的表观量子效率升高34.4%,最大净光合速率和光补偿点分别降低21.9%、38.0%,而古引4号无显著变化。综上,H382和古引4号均对光强变化有一定的响应,可望通过遮荫等栽培措施调控烟叶生长。
基金Supported by the National Natural Science Foundation of China (12001420)。
文摘In this paper, we study the existence of global attractor of a class of three-dimensional Brinkman-Forchheimer equation in some unbounded domains which satisfies Poincaré inequality. We use the tail estimation method to establish the asymptotic compactness of the solution operator and then prove the existence of the global attractor in(H_0~1(Ω))~3.
基金Supported by the National Natural Science Foundation of China(12001420)。
文摘In this paper,we study the dimension estimate of global attractor for a 3D Brinkman-Forchheimer equation.Based on the differentiability of the semigroup with respect to the initial data,we show that the global attractor of strong solution of the 3D BrinkmanForchheimer equation has finite Hausdorff and fractal dimensions.