基原类群分布区的快速扩张可能是川乌药材道地性形成的主要遗传分化模式。
Range expansion of the original plants was likely the main genetic differentiation model for the formation of genuine character of Chuanwu.
根据活性生物膜扩张原理,建立了硝化生物膜中微生物相互作用的非稳态解析数学模型,并可预测生物膜厚度的变化与微生物菌群的空间分布。
Based on the principle of active biofilm expansion , a non-steady state analytic mathematical model of microbial interactions in nitrifying biofilm was developed.
最后确定了W及其泛中心扩张的自同构群的结构。
Finally, the structures of the automorphism groups of W and its universal central extension are characterized.
本文根据圆柱孔扩张理论分析了在单桩周围和群桩内部土中产生的打桩挤压应力,并与室内模型试验和工程实录资料作了比较。
Based on the cylindrical cavity expansion theory, the squeeze stress induced by pile driving in soils around a pile and inside cluster of piles is analyzed.
在当前扩张计划完成后,我们预计会看到在猪肉生产量增加的同时猪群规模保持稳定。
After the current expansion plans are complete we can expect to see herd sizes remaining stable while pork production increases.
群内企业要实现规模有效扩张,前提就在于节约组织成本。
The premise for an enterprise in a cluster to enlarge its scale effectively is to reduce the organization cost.
半群平移壳在半群的理想扩张理论中占据重要地位。
The translational hull of a semigroup plays an important role in the theory of ideal extensions of semigroups.
半群平移壳理论是半群代数理论的一个重要部分,在半群的理想扩张理论中占有重要地位。
The theory of translational hull of semigroups is an important branch of the algebra theory and plays a basic role in the theory of ideal extensions of semigroups.
为右群强半格的诣零理想扩张。
S is a nil-extension of strong semilattice of right semigroup.
随后,证明了上粗模糊子半群与上粗模糊理想是通常的模糊子半群与模糊理想概念的扩张。
We prove that the (upper) rough-fuzzy semigroup and the left(right, two-side) ideal are the generalization of corresponding notions defined on the fuzzy semigroup.
随后,证明了上粗模糊子半群与上粗模糊理想是通常的模糊子半群与模糊理想概念的扩张。
We prove that the (upper) rough-fuzzy semigroup and the left(right, two-side) ideal are the generalization of corresponding notions defined on the fuzzy semigroup.
应用推荐