人体桡骨支架力学模型及承载性能

针对人体骨组织三维网状孔洞分布特点,得到了一种建立人体骨支架力学模型的方法.利用该方法获得了人体桡骨力学模型,导出了桡骨黏弹性本构模型.通过对桡骨力学模型的承载性能分析,得出:当桡骨受到单向轴向压力时,最大应力出现在通孔孔壁上,且应力与应变的关系是非线性的.     

硫化铜纳米粒子的合成及应用于汞离子的测定

室温下以柠檬酸三纳为稳定剂,在水相中合成了CuS纳米粒子(NP-CuS)。 用共振光散射(RLS)技术探索了不同pH值和Cu2+与S2-不同配比条件下,体系RLS强度(IRLS)的变化。 结果表明,在最佳实验条件下,在0.01~100 μmol/L范围内IRLS与汞离子浓度间呈现良好的线性关系(r=0.991),据此建立了测定水中微量汞的方法。 方法的检测限为0.003 μmol/L,样品加标测定的回收率为100.3%~103.4%。     

SiO2大分子单体的合成

SiO2大分子单体的合成;SiO2;甲苯二异氰酸酯;表面修饰;二氧化硅大分子单体     

LMI-based output feedback fuzzy control of chaotic system with uncertainties

This paper studies the robust fuzzy control for nonlinear chaotic system in the presence of parametric uncertainties. An uncertain Takagi--Sugeno (T--S) fuzzy model is employed for fuzzy modelling of an unknown chaotic system. A sufficient condition formulated in terms of linear matrix inequality (LMI) for the existence of fuzzy controller is obtained. Then the output feedback fuzzy-model-based regulator derived from the LMI solutions can guarantee the stability of the closed-loop overall fuzzy system. The T--S fuzzy model ofthe chaotic Chen system is developed as an example for illustration. The effectiveness of the proposed controller design methodology is finally demonstrated through computer simulations on the uncertain Chen chaotic system.     

微量热法研究 [Cu(phen)2]2+、[Cu(bpy)2]2+与DNA的作用

用微量热法对菲咯啉合铜([Cu(phen)     

Sustainable routes for quantitative green selenocyanation of activated alkynes

By using cheap lactic acid as the recyclable catalyst and reaction media, a sustainable protocol for the synthesis of Z-3-selenocyanatoacrylates and analogues through green selenocyanation of activated alkynes has been achieved.     

A comparative study on design standards of screw conveyors in China,Germany and the USA — Part I: Theoretical calculation and quantitative analysis

Screw conveyors, widely used devices for transporting bulk materials, play an irreplaceable role in the modern industrial system. Despite of their traditional advantages, designers of screw conveyors still heavily rely on their own country’s experiments and standards, which are closely related to empirical data. Therefore, the same conveying task often results in different designs. This work aims to compare the design standards of screw conveyors in China, Germany and the USA. Based on related standards acquired from renowned associations in the three countries, the similarities and particularities of these design guidances are compared. With preforming the geometrical and operational designs for horizontal, slightly inclined and vertical conveyance of three representative bulk solids (barley, lignite, sand), the advantages and disadvantages of these semi-empirical designs are comprehensively presented. Furthermore, the potential influence of empirical coefficients, which are not explicitly documented, are extensively discussed. By analysing all outcomes, the compatibility and applicability of each standard are qualitatively assessed.     

Synthesis of TiO2/S@PPy composite for chemisorption of polysulfides in high performance Li-S batteries

Journal of Solid State Electrochemistry - The commercial application of lithium-sulfur (Li-S) battery is hampered by the insulating characteristic and dissolution problem of sulfur and lithium...     

Synthesis and Antifungal Activity of New N-Aryl-2-(2-hydroxyphenylamino)ethylenediamine Derivatives

Russian Journal of General Chemistry - In this study, a series of new N-aryl-2-(2-hydroxyphenylamino)ethylenediamine derivatives has been designed, synthesized and evaluated for antifungal activity...