新兴产业保护中的两产品关税谈判模型

用多目标规划与博弈论方法研究两国与两国产业(或缔约方双方与双方产业)的决策与竞争，建立了6个参与人的规划与博弈混合的多层次的两产品关税谈判模型，该模型包含3层次．上层是一个多目标规划模型，中层包含一个博弈模型，下层包含两个博弈模型．在给定满足模型假设条件的参数下对模型进行了求解与分析，并求出了模型的关税谈判均衡解．模型可用于政府制定关税决策，预测关税上限对国家与产业的影响。     

小模数齿轮基节偏差影响下的降噪研究

深入分析了齿轮基节偏差影响下噪声的产生机理，在研究现有降噪措施的基础上，提出了一种新的降噪方案。该方案结构简单，安装调试方便，对轴承的影响小，尤其对小模数齿轮传动，效果更佳。     

离心式风机导流器调节的经济性分析

全面分析和比较了G4－73型离心风机在较大负荷变化范围内分别采用轴向导流器调节和轴向导流器加双速电动机调节的运行经济性，对各种风机的节能具有重要的指导意义。     

矿区最优投资分配动态规划模型研究

应用动态规划的理论,针对矿区建设的特点,以投资呆滞损失和欠产损失为主优化目标,以初期投资少为次优化目标,建立了矿区建设投资最优分配的多阶段动态规划投资模型,并给出了模型的解法.最后以我国某矿区为实例,应用模型进行求解,得出了满意结果.     

变速齿轮传动系统最佳轴向结构布局智能设计的推理机制

本文通过对变速齿轮传动系统轴向结构布局设计规律的研究,提出了一种适合于该类问题的知识表达方式,将改进后的带有启发函数的最佳优先搜索方法引入到该问题的求解中,使得含有多重搜索空间以及带有一定约束的设计问题统一在同一搜索策略下。根据本文提出的方法,用PROLOG语言建造的推理机,通过对实际问题的考证,证明该方法在解决传动结构自动设计上是行之有效的,并且在推理机制上成功地体现了设计过程中反复设计与优化设计的功能特征.     

两个积分公式

本文给出了积分∫_0~(+∞)x~αe~(-ax~ρ)cosbx~ρdx与积分∫_0~(+∞)x~αe~(-ax~ρ)sinbx~ρdx的求值公式,由它们可得到许多重要而常用的积分公式(见文[3])     

DNA fingerprinting transforms the art of cell authentication.

The increasing diversity of new cell cultures is seriously stretching the capabilities of traditional methods of identification. DNA fingerprinting is set to play an important role in increasing confidence in the authenticity of cultures in research and industry.     

Prediction of the structure of a receptor-protein complex using a binary docking method.

To validate procedures of rational drug design, it is important to develop computational methods that predict binding sites between a protein and a ligand molecule. Many small molecules have been tested using such programs, but examination of protein-protein and peptide-protein interactions has been sparse. We were able to test such applications once the structures of both the maltose-binding protein (MBP) and the ligand-binding domain of the aspartate receptor, which binds MBP, became available. Here we predict the binding site of MBP to its receptor using a 'binary docking' technique in which two MBP octapeptide sequences containing mutations that eliminate maltose chemotaxis are independently docked to the receptor. The peptides in the docked solutions superimpose on their original positions in the structure of MBP and allow the formation of an MBP-receptor complex. The consistency of the computational and biological results supports this approach for predicting protein-protein and peptide-protein interactions.