An approach of two point temperature correction parameter compensation is presented in this paper , it can compensate the parameter accuracy according to the real - time signal dynamic range , the parameter can be modified near to its theoretical value 文中探索了一种二次参数补偿的两点温度定标方案,由基本公式得到的校准参数值,再依据现实信号动态范围进行实时精度补偿,使之更加接近于理论计算值,从而使非均匀性校准的系数精度得到较大幅度提高。
Based on the equilibrium equation , the states of self - stress and the modes of inextensional mechanisms are solved by the singular value decomposition method . and the equilibrium equation can be solved by the generalized inverse method . the force density method is proposed 在建立空间杆件体系平衡方程的基础上,采用广义逆方法求解各种情况下的平衡方程,采用奇异值分解方法求解索杆的机构位移模态和自应力模态,并推导了力密度方法的基本公式。
Abstract : based or the basic operating condition of road stimulation , this paper discusses the intensifying test technology and brings up the basic method and principle of intensifying test , it also gives the busic translating function of equiualent mileage and the primary design of intensifying test 文摘:该文从路面对车辆激励的最基本工况研究出发,对强化试验技术进行较深入的探讨,提出了强化试验的基本方法和思路及当量里程换算的基本公式,最后提出了开展车辆强化试验研究的一些初步设想。
By means of the calorimetric experimental results and the temperature dependence of heat capacity differences , four kinds of temperature dependences of configurational entropy , dielectric relaxation index and cooperatively rearranging region are studied , on the basis of configurational entropy theory on cooperatively rearranging region in disordered amorphous materials by the methods of the relationship between configurational entropy and heat capacity difference , and the equation of relaxation time with activated energy barriers 摘要基于无序非晶材料“关联重排区域”的构型熵理论,运用构型熵与热容量差的关系式、弛豫时间与活化势垒的基本公式,及聚合物量热学的实验结果和热容量差与温度的基本关系,研究了4种情况下构型熵、介电弛豫指数和关联重排区域大小的温度变化关系。
This article is to analysis the building fire automatic sprinkling system , which accords the formulate of automatic sprinkling fire system design specification ( gb50084 - 2001 ) , uses hydraulic computation and basic formula , on basis of automatic system network configuration , and adopts project programming software visual basics . 0 and microsoft access2002 data base to composite hydraulic computation program of building fire system , and to realize building fire automatic sprinkling system design computerized 本文对建筑消防自动喷水灭火系统(以下简称:自喷系统)的分析,依据《自动喷水灭火系统设计规范》 ( gb50084 - 2001 )的规定,利用水力计算方法和基本公式,在自喷系统管网布置的基础上,采用工程编程软件visualbasic6 . 0和microsoftaccess2002数据库进行建筑消防系统的水力计算程序编制,实现建筑消防自喷系统设计中的计算机化。
Study on primary consolidation of saturated soft clay under pre - loading drainage condition should be started with its drainage in nature , i . e . , study the variation discipline of primary consolidation by its water content variation of soft clay through the pre - loading course , utilizing the basic property index of clay , then deduce the primary consolidation ration formula and get the theoretical calculation solution of primary consolidation ( settlement ) , absolute primary consolidation , as well as absolute consolidation degree 摘要对饱水软粘土的预压排水主固结研究应从其排水的本质出发,即从软土在预压过程的含水量变化上研究主固结量的变化规律,利用土的基本性质指标导出主固结比基本公式及主固结量(沉降量) 、绝对主固结量、绝对固结度等理论计算方法。
The next this text is based on the appearance theories , according to the characteristics that the temperature dispersion of super thick mass concrete planceer of high - rise building primarily is an even difference in temperature and an even constringency , suppose the level shears are line with the displacement , adopting a big physical volume concrete of planceer in flexibility foundation for plank computing model , from theoretically deducing the difference in temperature of mass concrete contracting should basic formula of dint , and analysis the crack rule and the influence factor of mass concrete temperature contract , and bringing up the theory calculation method about temperature stress of mass concrete and the biggest whole method that sprinkle the length , at the same time according to basic formula of the temperature stress of mass concrete and the concrete construction experience , bringing five technique measures to prevent the temperature crack of mass concrete 其次本文以唯象理论为基础,根据高层建筑超厚底板大体积混凝土承受的温差主要是均匀温差和均匀收缩的特点,阐述了大体积混凝土温度应力理论计算的简化方法和最大整浇长度的计算方法,同时根据大体积混凝土温度收缩应力基本公式和大体积混凝土结构施工经验,提出了防止大体积混凝土温度裂缝的五项技术措施。最后本文以厦门邮电大厦3 . 5m超厚底板施工为实例,从大体积混凝土温度应力计算、混凝土保温材料厚度计算、混凝土配合比的确定,钢筋工程、模板工程、混凝土的泵送和浇筑以及大体积混凝土内部温度的监测和后期养护等方面进行了理论应用。
In lifting - surface theory , the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered . in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients . the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade 在计算中,对于升力面理论,本论文考虑了过渡区尾涡收缩和叶梢分离的非线型现象的影响;对于面元法,本论文采用的是计算较为简便的基于扰动速度势的基本公式及双曲面形状的面元,在桨叶随边满足更趋合理的压力kutta条件,并用morino导出的解析公式计算面元的影响系数的快速有效的数值预报方法。
Abstract : based on analyzing the mechanism of fraction for anti - extraction soil by using the results of in - side model test about wind - borned sand deposit foundation , three stressing process of the ultimate bearing capacity in soil is given , and the basic formual for anti - extraction capacily calculation is established . compared with other methods at present , the accuracy of the calculation result is several times over that of others . because the scope of application isn ' t limited by width - to - depth ratio , it is very convenient for widely application 文摘:利用风积砂地基抗拔室内模型试验资料,通过对抗拔土体破坏机理的全面分析,提出了土体形成极限承载力的三个受力过程,建立了扩展基础抗拔承载力计算的基本公式,与目前其它计算方法比较,成果精度提高很多倍,而且适用范围不受深宽比限制,便于推广应用。
There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry . now , we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter , where q is an up or down quark field . on the one hand , from the experimetal data , it is found that < qq > vac = - ( 225 25mev ) 3 , on the other hand , with the hellmann - feynman theorem , quark condensate can be evaluated on the hadronic level . in this paper , we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change . it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter . because nertron stars are homogeneous and at very low temperature , we will use the mean - field approximation and zero temperature throughout this paper 鉴于已有大量文献讨论了核物质中的夸克凝聚,本文将讨论在奇异物质中的夸克凝聚。而在介质中的夸克凝聚的基本公式可由hellmann - feynman理论导出,所以运用手征对称自发破缺拉氏量以及平均场近似,我们就可以讨论在奇异物质中的夸克凝聚,由所计算的结果表明: ( 1 )奇异物质中的夸克凝聚随奇异物质密度的增大而单调减小。 ( 2 ) -凝聚的出现对衰减率有影响。