一种新颖的抗血栓材料的研究

聚氨酯和肝素经低温等离子体表面处理后，直接以共价键形式结合，在聚氨酯管的内壁生成了光滑的聚氨酯－肝素接枝共聚体，经全血凝固时间的检测，新鲜人血注入聚氨酯－肝素接枝管后搁置５昼夜，电镜检查其管壁未见血栓痕迹，凝血酶时间等检测表明，接枝管起着抗血液凝固的功效，且肝素不脱落，经红外光谱测试，差谱中的新吸收谱带１１６５和１３３９ｃｍ＾－１表明聚氨酯和肝素分子之间生成了新共价健Ｎ－ＳＯ２或Ｏ－ＳＯ２的ＳＯ２     

高师无机化学实验双语教学实践与思考

介绍了师范院校无机化学实验课中开展双语教学的实践过程,在口语汇报、实验讲解、实验操作、实验报告和实验考试各个教学环节中,传统实验教学和双语教学进行了有效结合,着重提高学生的综合能力。根据调查、访谈和教师的教学反思,还对高师化学专业开展双语教学进行了深入思考。     

Crystal Structure, Thermal Decomposition Behavior and the Standard Molar Enthalpy of Formation of a Novel 3D Hydrogen- Bonded Supramolecular [Co（HnicO）2·（H2O）2]

Hydrothermal synthesis and X-ray characterized 3D supramolecular networks were constructed by [Co（HnicO）2·（H2O）2] （HnicOH=2-hydroxynicofinic acid） （1） as building block via abundant dimeric homomeric （N--H…O） and unusually cyclic tetrameric heteromeric （O-H…O） hydrogen-bonds. It is noted that there exist unusually linear metal-water chains comprised of tetrameric units linked by vertexes sharing cobalt centers through hydrogen-bonding. TG-DTG curves illustrated that thermal decomposition was completed by two steps, one is the loss of two terminal water molecules in the range of 156--234℃, and the other is the pyrolysis of HnicO ligand in the range of 234--730 ℃. The standard molar enthalpy of formation of the complex was determined to be （-1845.43± 2.77） kJ·mol^-1 by a rotary-bomb combustion calorimeter.