The title compound,C 12 N 2 O 4 H 14 (M r=250.3),crystallizes in triclinic P1 space group with a=7.7709(9),b=8.7534(11),c=9.6958(12),α=77.103(2),β=80.496(2)
Octanol/water partition coefficient (Kow) is a crucial property for evaluating the environmental behavior and fate of organic compound. Herein, some quantitativ
针对二叉树支持向量机多分类算法准确率与分类效率较低的问题,提出了一种基于加权模糊隶属度的二叉树支持向量机多分类算法(binary tree support vector machines multi-classification algorithm based on weighted fuzzy membership,PF-BTSVM)。该算法依据最大最小样本距离与质心距离构造出一个近似完全二叉树