Protein structure and function

Posters

Protein structure and function     

The Development and Application of Combined Thermoregulatory Mathematical Models

Thermoregulatory mathematical models have being developed for more than half a century and obtained more and more wide application. Among them, the "engineering-physiological" thermal models, which correlated closely to the man-machine-environment system, are the ones that developed most rapidly and have been widely accepted by thermal physiologists and environmental control engineers.This paper attempts to outline briefly the development and application of such kind of thermal models, discusses how to further develop and apply various combined thermal models in practice, and puts forward four respects of suggestions for establishment and modification of combined thermal models of man-clothing-cabin environment.     

NOVELL局域网的操作使用维护经验点滴

介绍了ＮＯＶＥＬＬ网络的操作维护技巧．     

层状岩体垒积序列差异性SCW-R/S分形模型

依据已有的一些力学分析结果、模型模拟结果和地质体中构造变形破坏的特征,指出层状岩体垒积序列差异性是控制地质体在法向上构造变形破坏的内因.并建立了定量描述它的SCW-R/S分形模型,使得不同地质体的差异性具有定量可比性;同时初步推测了它与构造变形间的表观关系.     

关于运城地区发展经济林的反思

优越的农业自然条件使运城地区成为山西省重要的粮棉生产基地。但近年来经济林的迅速发展使果树栽植面积几乎占到耕地总面积的1／4。尽管平原地区广种经济林具有一定的经济效益与环境效益,但它却违背了合理利用土地的原则,若不及早采取有力措施加以控制,我国将会潜伏粮食危机,种植业的可持续发展将会受到严重影响。     

一维抛物型偏微分方程 Padé 逼近的并行算法

一维抛物型偏微分方程可以用精细积分方法精确求解．当精细积分中的矩阵指数函数用它的Ｐａｄé逼近格式来代替时,可以得到一系列由简到繁,精度由低到高的差分格式,因而便于根据实际计算的需要进行选取．Ｐａｄé逼近格式的求解主要包括矩阵运算和线性方程组的求解．利用Ｐａｄé逼近格式对应的方程组系数矩阵为带状矩阵的特点,把原来在整个区域上求解的问题转化为分区域求解,从而实现了Ｐａｄé逼近的并行算法．算例的结果表明该方法具有较高的并行性和计算效率     

Solutions of Two-point BVP in Banach Spaces

IntroductionGuoetal.[1]discussedthetwo-pointboundaryvalueproblem(BVP)forordinarydifferentialequationsinBanachspaces,-u″=f(t,u),　t∈I=[0,1]u(0)=u(1)=0andgavesomeconclusions.Usingthemonotoneiterationtechnique,SongFumindiscussedthesameBVP[1]andshoweditsmaximalandminimalsolutions[2].Inmoregeneralboundaryvaluecondi-tions,GuoandSun[3]discussedBVPinreflexiveBanachspacesandmadeseveralconclusions.InthisworkthefollowingBVPinrealBanachspace,E,isconsidered.Lu(-p(t)u′)′ q(t)u=f(t,u),B0uau(0)-…     

冷带轧机液压厚控系统动态数学模型分析与测试

分析了液压厚度控制系统动态数学模型．并与频率特性测试仪所测结果做了比较．得出了实用的被控对象结构图．为厚度控制系统的设计提供了理论依据．     

测定草珊瑚中硒含量的方法研究

该文研究用萃取,荧光法、萃取－光度法、原子吸收光谱法分别测定草珊瑚中硒的含量。三种方法的测定结果较相近,均有较好的准确性和精密,方法简单易行。     

Nα-quinaldyl-L-arginine·HCl,a new defensive alkaloid fromSubcoccinella-24-punctata (Coleoptera,Coccinellidae)

The isolation of N-quinaldyl-L-arginine·HCl (1) from the CoccinellidaeSubcoccinella-24-punctata is reported. The structure, first established on the basis of the analysis of the spectral properties of1, has been confirmed by synthesis. The alkaloid is of endogenous origin and markedly deterrent to ants.