Endothelial Cell Culture on Different Phospholipid Surfaces *

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Hopf模代数结构

引进Ｈｏｐｆ模代数的概念,研究了Ｈｏｐｆ模代数的结构,证明了Ｈｏｐｆ模代数等价于Ｓｍａｓｈ积,从而给出了Ｓｍａｓｈ积的一种新的刻划。     

电力系统潮流计算的模拟进化方法

将模拟进化方法引入电力系统潮流计算。与传统方法比较结果表明,模拟进化方法中的进化策略法可以有效地解决电力系统病态潮流问题。文中还对几种模拟进化方法进行了比较,结果表明：进化策略法用地潮流计算比较成功;基因算法和进化规划法由于方法本身的缺陷,不太适合于潮流计算。     

超滤法分级和纯化蛋白质的现状和前景(英文)

超滤法具有高产率、低成本、容易放大等显著优点,但其低选择性一直限制其在生物蛋白制品的分级和纯化中的应用。本文总结和分析了超滤法用于蛋白质分级和纯化的近期研究成果,对其低选择性的原因进行了分析,提出并论证了提高超滤选择性的技术途径。     

煤炭院校会计信息系统设计

本论文论述了“煤炭院校会计信息系统”的代码设计、数据库设计和功能设计三项内容,并给出了完整的“煤炭院校会计信息系统”功能模块图。     

镧的植物防病效果及其生物学效应

通过灭菌土接种Rhizoctonia solani以及混合接菌Rhizoctonia solani和Fusarium solani进行盆栽试验,分别研究了镧浸种处理对高羊茅及板蓝根出苗、生长发育的影响。结果表明,镧浸种能明显地减少病原菌的侵染,对由其所造成的种腐、芽腐及根腐等有显著的防治效果,提高了板蓝根和高羊茅种子的出苗率。同时,镧浸种在适当的浓度范围内,还能显著地促进植物的生长发育,生物量明显增加。利用盆栽水稻试验研究了稀土镧对水稻纹枯菌(Rhizoctonia solani)的毒力,测定结果表明,镧喷施于水稻植株上对水稻纹枯病有明显的防治效果,且在活体条件下,喷施镧后1和7 d对水稻纹枯菌(Rhizoctonia solani)的有效中浓度分别为128.7和128.1 mg.L-1,均明显低于离体条件下的有效中浓度(171.9 mg.L-1)。     

Mitochondria-targeted ratiometric fluorescent probes for micropolarity and microviscosity and their applications

Two fluorescent "off-on" probes YYH1 and YYH2 were used for bioimaging mitochondrial polarity and viscosity.     

Preparation and properties of polymer and quantum dot composites

Quantum dots (QDs) were prepared in an organic system through a simple and low-cost wet chemistry method. Polymer beads with a diameter of 60–70 nm and specific functional groups were synthesized by a particular seeded emulsion polymerization technique. QDs were embedded in the polymer beads with the specific functional groups through dissolving and swelling method, which provided the condition for the conjunction of biomolecules and QDs as fluorescent probes. The prepared composites were characterized with UV-Vis, PL, TEM, FTIR, CLSM and conductance titration etc. The results show that QDs are successfully embedded in polymer beads, which breaks the limitation that the conjunction of biomolecules and QDs can be achieved only for those synthesized in aqueous system. __________ Translated from Journal of Shanghai Jiaotong University, 2005, 39(1) (in Chinese)     

Dehydrogenation activities of highly dispersed transition metal oxides on NaY zeolite

Highly dispersed α-Fe_2O_3/NaY,NiO/NaY,and CuO/NaY catalyst systems were pre-pared by impregnation method.Dispersion thresholds of the transition metal oxides on NaY" zeolitewere determined by XRD phase analysis.The dispersion capacities of the transition metal oxides on NaYzeolite are much lower than that estimated on the basis of a closed packed monolayer in the micropores.The catalytic activity and selectivity of the highly dispersed oxide catalyst systems for ethylben-zene and cyclohexane dehydrogenation reactions were reported.