液压锤液压驱动部分 CAD 系统

本文介绍了液压锤液压驱动部分ＣＡＤ系统的ＯＯＰ（面向对象的程序设计）程序设计方法和系统的硬件、软件结构。     

含咔唑偶合组分单偶氮分散染料应用性能研究

咔唑杂环化合物为偶合组分的新型单偶氮分散染料曾被国内某企业替代分散黄RGFL作过批量拚色；其耐碱、耐还原性较强、色光稳定。本文对2-氯-4-硝基和2，5-二氯苯胺重氮盐与咔唑N-乙基咔唑偶合成的4只染料的常规高温高压和热熔法染色性能、牢度作了研究：它们的吸附等温线类似朗格缪尔型；高温高压法的提升力为20～40g／L；190℃升华牢度为3～4级；3％染色深度棉沾色3～5级、2％时皂洗原样变化3～4级、白布沾色3～5级，干、湿摩擦牢度4～5级；极限温升131～148℃；热熔法染色最佳温度为200～210℃；固色率74～94％，提升力为20～40g／L；3％染色深度棉沾色2～3级；干、湿摩牢度为4～5级。高温高压法染色吸尽率、存在的两法差异及部分牢度尚待改进。     

Ab initio calculation of structure and Raman and Infrared spectra of Trifluoromethylthiosulphenyl Chloride

The molecular model of Trifluoromethylthiosulphenyl Chloride, CF₃SSCl, was presented.Ab initio method was used to calculate the structure and Raman and Infrared spectra. The results show that CF₃SSCl possess stereoscopic structure ofC ₁ symmetry with a torsional angle of 94.2°. The potential energy distribution and isotope replacement methods were applied to determine the vibrational assignment. The vibrational frequencies and corresponding modes of the molecule were obtained. The calculated vibrational frequencies are in good agreement with experiments. Supported by the National Natural Science Foundation of China Zou Xianwu: born in Apr, 1938, Professor     

The strong cooperativity of dioxygen binding by dicobalt (II) diporphyrin compounds in nonaqueous solution at room temperature

Thermodynamic data were determined for the reversible binding of O₂ to two compounds of dicobalt(II) di(meso-tetra-phenyl)porphyrin derivatives with different lengths of diamidoaliphatic bridge (abbreviated to Co₂PP₈ and Co₂PP₄) in N,N-dimethylformamide at room temperature. The partial pressure of dioxygen necessary for half-oxygenation (P _1/2) and hill coefficient (n) at 298 K were determined as follows:P _1/2=54.2 kPa,n=2.0 for Co₂PP₈ andP _1/2=6.8 kPa,n=1.8 for Co₂PP₄, respectively. The rate equations of reversible oxygen binding by Co₂PP₈ were determined and the reaction path was proposed. The results of ther-modynamic and kinetic studies indicate that there exists strong cooperative effect during oxygenation of the compounds. The ESR observation reveals that the dioxygen complexes formed in the solutions are of superoxo (Co-O ₂ ⁻ ) type. Supported by the Research Foundation of the State Education Commission of China Zhou Xiaohai: born in 1962, Ph.D. Associate professor     

CCl_4致肝脏损害的研究

采用四氯化碳（CCl4）对大鼠染毒模型，分别用不同浓度的CCl4，不同的染毒时间致大鼠急性染毒和慢性染毒，以血清甘腿酸（sGG）含量和血清谷丙转氨酶活性（sGPT）测定做为肝脏早期损害指标，用肝脏病理学检查观察肝组织损害程度。实验结果表明，急慢性染毒组sCG含量均明显高于对照组（P＜0．001），增高幅度急性组为2．79倍，慢性染毒组为3．9倍，另外，急性染毒组sCG含量及sGPT活性均明显低于慢性染毒组（P＜0．05），实验证明，CCl4浓度致使大鼠肝脏的损坏程度不如染毒时间长短密切。另经病理学检查证实、肝脏组织的破坏程度与染毒剂量不明显，与染毒时间有密切关系。