An integration of "the diffusion-based method" and "the focus-based method" in the geography teaching;
地理教学中的“散”与“聚”
The synthesis, structural and mechanical properties of two polysulfide-containing polymers are described, one is polysulfide thio-polyurea, the other is UV-cured liquid polysulfide thio-urethane acrylate.
简单介绍了液体聚硫橡胶的发展与性能 ,合成了以液体聚硫橡胶为软段 ,2 ,5 二氨基 3,6 二甲硫基甲苯 (E30 0 )扩链的聚硫聚脲和紫外光固化的聚硫聚脲两种聚硫聚合物 ,并介绍了用侧链含氨基的聚二甲基硅氧烷对这两种聚硫聚脲聚合物进行表面改性 ,例举了聚硫聚脲改性聚丁二烯聚脲、增韧环氧树脂胶粘剂和增强聚硫密封胶等的应
Outliers detection method based on K-means and agglomerative clustering
基于K-均值聚类和凝聚聚类的离群点查找方法
We further divide each group into some macro-clusters using the agglomerative clustering,select the macro-cluster.
针对网络新闻语料具有数据规模大和时间特征明显两个特性,系统将语料按时间(天)分组,对每天的语料采用凝聚聚类得到微类,选取某段时间内的所有微类,再做Single-pass聚类得到事件列表,利用事件热度计算公式,把候选事件按热度进行排序。
Paper/pe，PET/AL foil/PE ,NYLON/PE/,Tea-leaf filtering peper &ect.
纸/聚乙烯聚酯/铝箔/聚乙烯聚酯/聚乙烯尼龙/聚乙烯等.
condensed sulfur dyes
缩聚染料,硫化缩聚染料
polyanionic cellulosic polymer
聚阴离子纤维素聚合物
first stage polymerization
初级聚合,前段聚合
polymer-polyelectrolyte drilling fluid system
聚合物-聚电解质钻井液
polypropylene impact copolymer
聚丙烯耐冲击共聚物
polypropylene copolymer pipe fittings
聚丙烯共聚物连接管
cordage of polyethylene or polypropylene
聚乙烯绳或聚丙烯绳
polymerization autoclave
聚合高压釜高压聚合釜
aromatic copolyamide fiber
芳香族聚酰胺共聚纤维
alcohol soluble polyamid terpolymer
醇溶三元共聚聚酰胺
polyethylene-polyvinyl chloride insulated wire
聚乙烯-聚氯乙烯绝缘线
cable of polyethylene or polypropylene
聚乙烯缆或聚丙烯缆
aramid-polymer yarn
聚芳基酰胺聚合物线
cohesive force
凝聚力，内聚力，粘合力
clustered together but not coherent.
聚在一起但并不凝聚。
theory of convergence effect
聚合效应说 聚合效应说
Such polymers are termed addition polymers.
这类聚合物称为加聚物。