To study the bioactive constituents of the fruit and the stem of Garcinia cowa,two polyprenylated benzophenones(a novel compound named Guttiferone K and an known compound Cambogin)were ob-tained,whose structures were elucidated by spectral analysis.
经多种波谱方法确定了两个化合物的化学结构,一个新化合物命名为藤黄酮K,另一个化合物为Cambogin。
Experimental Research on Efficiency of Extinguishing Cooking Oil Fires by Water Mist;
细水雾抑制熄灭K类火有效性的实验研究
A full-scale heat release rate platform for multifunctional measurement is used to study the interaction of water mist with cooking oil fires in an open space.
利用ISO 9705全尺寸多功能热释放速率测试仪在开放空间研究了细水雾作用下K类火灾的发展过程,实验中对细水雾作用下食用油火的温度、热释放速率及烟气的主要特性参数变化规律进行了测量与研究,分析了预燃时间对灭火有效性的影响,系统地阐述了细水雾作用下K类火灾关键特性参数的变化规律。
More effective algorithm for K-means clustering;
求解K-means聚类更有效的算法
Research on segmenting color regions in textile printing image based on K-means clustering;
基于K-means聚类的纺织品印花图像区域分割
Collaborative filtering recommendation model based on effective dimension reduction and K-means clustering
一种结合有效降维和K-means聚类的协同过滤推荐模型
Based on class K∞ functions,the more general definitions are proposed for kinds of finite-time stabilities,and the sufficient conditions are obtained by Lyapunov functions to ensure the finite-time stability of nonlinear systems.
基于K∞类函数,给出了更加一般性的各类有限时间稳定的定义,并基于Laypunov函数,得到了判定非线性系统有限时间稳定性的充分条件。
Research and Application of K-means Clustering Algorithm;
K-means聚类算法研究及应用
The Application of K-means Algorithm to Customer Segmentation;
K-means聚类算法在客户细分中的应用
Research on Load Model Based on K-Means Clustering Algorithm
基于K-means聚类算法的负荷模型研究
K-means Clustering Learning Algorithm Based on Multi-instance
基于多示例的K-means聚类学习算法
K-means clustering algorithm based on the shape similarity distance
基于形状相似距离的K-means聚类算法
A More Effective K-Means Clustering Algorithm
一种更有效的K-means聚类算法
Recoverable implementation of K-means clustering algorithm
可间断运行的K-means聚类算法
Research of clustering algorithm based on K-means
基于K-means聚类算法的研究
Research on Clustering Algorithms Based on Agglomerative Fuzzy K-Means
基于凝聚模糊K-means的聚类方法研究
Optimize K-Means Algorithm to Apply in Text Clustering;
改进K-Means算法在文本聚类中的应用
Research of K-means Clustering Method Based on Genetic Algorithm;
基于遗传算法的k-means聚类方法的研究
The Research of K-means Clustering Algorithm Improvement Based on Genetic Algorithm;
基于遗传算法的K-MEANS聚类改进研究
K-means Algorithm and Parallelization;
聚类K-means算法及并行化研究
Adaptive Clustering Algorithm Alaysis Beased on K-Means
基于k-means的自适应聚类算法研究
Research on the target marketing based on the weighted K-Means clustering
基于权重K-Means聚类的定向营销研究
An Improved K-Means Clustering Algorithm Based on Grid
一种基于网格的改进的K-Means聚类算法
Algorithms for K-means Clustering Problem with Balancing Constraint
基于均衡限制的k-means聚类问题算法
Text Clustering Algorithm Based on K-Means
基于K-means的文本聚类算法