Abstract:In this paper,a systematic study of determining the crystallinity ofamorphous alloy ribbons of Ni_(85-x)Si_(15)B_x(x=13,17,21)(after heating treatment)has beenmade. The computer multipeak resolution method has been used to separate the amorphous and cryst

Abstract:In this paper,transcient thermal stress field is first studied by weightedfinite difference-boundary element coupled mothod.More accurate results can be still obtained under longer time steps when the value of weighted factor is adequately selectedfor cal

Abstract:在ｐＨ５．０的ＨＯＡｃ－ＮａＯＡｃ缓冲溶液中，当有０．１０％ＳＬＳ存在时，Ａｇ（Ｉ）与ＱＡＲＨ形成１：１络合物，λ＿（ｍａｘ）为５３５ｎｍ，ε为１．０５×１０￣５Ｌ·ｍｏｌ￣（－１）·ｃｍ￣（－１），Ａｇ（Ｉ）含量在０．００５～１．００μｇ／ｍＬ范围内服从Ｂｅｅｒ定律，稳定常数为１．７８×１０￣（１５）．所提出的方法用于精铜矿中微量银的测定，结果满意

Abstract:In this paper,we have studied the modulus and quasiconformal mappings,obtained several conditions for that a homeomorphism is a quasiconformal mapping.

Abstract:本文研究一般脉冲微分方程解的全局渐近性态。通过使用分段连续的（但可以是非单调的）Ｌｉａｐｕｎｏｖ函数，我们首先建立一个全局渐近性态的基本定理，然后把基本结果应用于一类具线性脉冲扰动的变系数线性动力系统，获得了其零解是全局吸引子的充分条件。

Abstract:This paper develops tlie density under the Hausdorff measure,the definition of the density of fractal set under an outer-measure relating to dimension prints isgiven. Properties of density in this case are discussed

Abstract:In this paper,the existence,asymptotic behavior and blow up are discussed for the solutions of a generalized nonlinear Schrodinger equations

Abstract:本文对一类一阶中立型时滞差分方程的振动给出了一个充分条件，改进了文献［１］所得的结果。

Abstract:本文运用Ｍｉｅｄｅｍａ理论，系统地计算了镁与碱金属组成的二元合金系统的液态混和焓和固态合金形成焓。根据理想溶液理论，还计算了Ｌｉ－Ｍｇ系统在１０００Ｋ时的熵、以及自由能－成分曲线，所得的结果同已有的实验结果和第一原理赝势方法计算的结果符合得比较好。

Abstract:硅橡胶均质膜是渗透蒸发透醇膜的典型代表之一，因其机械性能较差、成膜性不好，分离性能受到限制。本文用物理涂敷（复合）和化学改性的方法，制备出了机械性能优良且具有超薄活性层的硅橡胶改性复合膜，明显改善了分离性能。在最佳条件下，分离系数和透过通量分别为６．７８和１０８０ｇ／ｍ＾２ｈ。

Abstract:Liquid-purpose surface acoustic wave sensor(LSAW)was constructedby combining a 61 MHz SAW resonator with a pair of electrodes.Two oscillation equa-tions were derived by network analysis,and were used to investigate the frequency char-acteristics of LSAW i

Abstract:Current-mode amplifier,inverter,adder,differentiator and integrator,constituted by OFA devices,are presented in this paper. The applications of these cir-cuits in current-mode filters are introduced.

Abstract:Based on the linear system theory of DEDS,this paper deals with theproblem of maximal machine utilization in FMS.With a basic input sequence of properparts proportion,the load of machines can be balanced efficiently,The approach is a dy-namic one rather t

Abstract:By analysing the basic mathematical model for governing system of primemover of synchronous generator,we provide in this paper a sort of dedicated silicon controller rectifer DC governing system and its assembly applicable to the emulation forgoverning sy

Abstract:Based on the experimental research and vibration spectrum analvsis of adrum brack with primary and secondary brack shoes, this paper discovered that the tangential vibration of the brack system was the main vibration resourse by which the drumbrack squeal

Abstract:Based on the characteristics of heat transfer of horizontal continuouscast, one-dimensional analytical formulae for calculating the thickness of solidified layerat the exit of crystalizer has been given. Two-dimensional numerical simulation of solid-ifica

Abstract:In this paper,direct collocation methods are first used to solve the problem of nonlinear equilibrium of shallow shells.The computational practice shows thatthis method has less CPU time,rapider convergence and better beliavior of tangentialstiffness matr

Abstract:采用单池ＳＢＲ法对城市垃圾填埋场渗滤液处理进行了试验研究，对亚硝化型硝化的可能性作了探讨。采用ＳＢＲ法的最佳运行模式，对ＣＯＤＣｒ，ＢＯＤ５，ＮＨ３－Ｎ分别为４２０￣４２１６ｍｇ／Ｌ，４０￣９９０ｍｇ／Ｌ，１２０￣４０８ｍｇ／Ｌ的渗滤液进行处理，其去除率分别达到８７．３２￣９６．５６％，９５．２２￣９９．３３％，９０．６９￣９９．３４％，并提出了三池运行模式。

Abstract:This paper shows the optimal marketing strategy for the complex industrial manufactured products to export is a geometric programming problem. We can usedual theory to change this particular nonlinear optimization problem into the solution ofa equivalent