A man found a cocoon of a butterfly. One day a small opening appeared. He sat and watched the butterfly for several hour......

The bacterial swollen stem canker of poplar is prevalent in planted poplars ofnortheast China.Serious damage occurs in t......

为了阐明溶胀高聚物的DSC热谱尾部突出小峰的性质,对均聚和共聚的聚丙烯腈纤维和聚合体进行了溶胀DSC分析和偏振热显微镜观察。实......

采用溶胀DSC法——将试样与溶胀剂以一定比例混和后,用DSC分析研究了聚丙烯腈纤维和粉末中大分子缠结解缠的过程,发现;缠结和解缠......

针对某电厂锅炉水冷壁管发生的鼓包、爆管事故，通过化学成分分析、显微组织观察、力学性能测试等方法分析了爆管和鼓包的原因。结果......

A 75-year-old man presented with knee pain due to medial osteoarthritis of the knee in the orthopedic outpatient clinic.......

In 1987, a serological survey among 755 male Norwegian military recruitsshowed that 68 (9.0%) had IgG (7.4%) and / or Ig......

Tumorous stem mustard is well known for its swollen stem from which pickled“Fuling Mustard”is made.The molecular mecha......