参数方程

The synthesis of isoamyl acetate with the solid super acidic catalyst of S2O82-/TiO2-Al2O3 is investigated.The kinetic parameters of reaction are measured at 94℃,100℃ and 106℃ respectively and the kinetic equation is thus built,which are compared with those of the reaction without catalyst.

文章研究了以固体超强酸S2O82-/TiO2-Al2O3为催化剂合成乙酸异戊酯的反应，在反应温度分别为94℃﹑100℃及106℃下，测出合成乙酸异戊酯的动力学方程参数，建立了动力学方程式，并与无催化剂时酯化反应的活化能及动力学方程式进行了比较。

The results indicated that the effect of pH on adsorption of theanine was not obvious within range of 6~11. The adsorption date fit well into the Freundlich and Langmuir isotherm equation within temperature range of 303~323 K and investigative concentration range. The isosteric enthalpy of adsorption, free energy and entropy of adsorption showed that adsorption of theanine was endothermic and spontaneous.

结果表明：在pH6~11时，pH值对717阴离子交换树脂对茶氨酸吸附量影响不大；在温度303～323K和茶氨酸质量浓度范围内，717阴离子交换树脂对茶氨酸吸附行为符合Freundlich和Langmuir吸附等温方程；热力学参数（吸附焓、自由能、吸附熵）表明此吸附过程是吸热和自发的。

Studies on the Metabolism of Mitochondria and Sub-mitochondria and the Effect of Laccase on It by Microcalorimetry

首次将微量热用于亚细胞器层次的研究，测定了鲤鱼肝脏线粒体和亚线粒体体外代谢的热谱及其漆树漆酶的影响，并用MTD方程和演化计算技术对它们的代谢热动力学参数进行了全局优化。

Based on linear elastic fracture theory, a damage evolution equation for composite soild propellant under uniaxial tension is derived. Main mecrosopic of material are determined through fittin the experiment data of constant rate tension. Then, the integrate constitutive equations found is close to microlevel.

基于线弹性断裂理论，提出了一个适合复合固体推进剂的脱湿微裂纹损伤发展方程，通过部分单向定速拉伸试验数据拟合确定其主要的细观参数，从而得到了复合固体推进剂在细观水平上完整且封闭的本构方程组。

We studied submerged fermentation kinetics of Morchella. Applying the genetic Algorithm in the Matlab software platform, we compared suitability of the Monod and Logistic models, both are commonly used in process of fungal growth, to describe Morchella growth kinetics.

本研究对羊肚菌液体深层发酵动力学进行了研究，在Matlab软件平台上，应用遗传算法对比了真菌生长较常用的Monod与Logistic方程在描述羊肚菌生长动力学时的优劣，并对羊肚菌的生长、胞外多糖产生和基质消耗模型进行了参数估计。

As an efficient 2-D capacitance extract method, ES-MEI can solve a multiconductor in multilayered dielectric media problem using the comparable unknown number like in the integral equation method as well as the sparse matrix like in FD.

作为进行二维电容参数提取的有效方法，使其能以与积分方程法相当的变量数以类似有限差分法的稀疏矩阵处理分层介质中多导体传输线的电容提取问题。

In this paper,a revised universal soil erosion e-quation was selected, the effects of errors of this neglection on it were tested by non-parametric hypothetical test method of Kolmogorov-Smirnov for a 22-year period within 21 catchments of the middle Huanghe River region,and the resul...

采用非参数假设检验方法，对年产沙模数估计方程中下垫面因素的时变影响作定性分析，结果表明，对于一般流域，如果没有人类活动或自然灾害破坏导致下垫面条件的突变，下垫面因素对产沙的影响可看作是时不变的。

First, the related concepts about theory of nonreciprocal transmission lines are introduced, including the nonreciprocal transmission line equations, the characteristic parameters and some important parameters, which can lay a theoretical foundation for impedance matching.

首先介绍了非互易传输线理论的相关概念，包括非互易传输线方程，特性参数、重要参量等，为阻抗匹配问题的研究打下理论基础。

First, a model of transformer has been built and analysed to formulate the expression of pulse on the load capacitor, which can demonstrate the influence of major parameters of transfomer on the charging time and efficiency of energy-transmitting. The influence of output pulse when the resistor of circuit is being took into account also has been analysed by the means of circuit simulation and approximate solution of circuit equation. The efficiency of energy-transmitting under dual nonresonant condition has been analysed and the parameters of transformer has been decided.

首先，对空心变压器的理论模型进行了分析，在得到了输出脉冲电压的表达式的基础上分析了变压器各主要参数对脉冲充电时间和充电时能量传输效率的影响；同时还通过近似求解状态方程的方法对考虑线路电阻时输出脉冲受到的影响进行了分析；讨论了在非双谐振情况下的能量传输效率的问题。

This scheme can be applied to flow field computation of nonviscous or viscous flow, laminar or turbulent flow and compressible or incompressible flow.

本文首次提出了基于分布参数最优控制理论、雷诺平均N—S方程的平面叶栅反问题的普遍形式——最优化设计的理论和方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。