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Study on the optimal conditions of cellulase from termites The optimal pH when Cx from Reticulitermes flaviceps reacted with substrate sodium carboxymethylcellulose was between 5.0-7.4 and 5.0-6.2 when BG enzyme was reacted with substrate salicin, the relation between activities of enzymes and relevant pH values accorded with Quadratic models.

一、白蚁纤维素酶最适反应条件研究黄胸散白蚁 Reticulitermes flaviceps C_N酶与羧甲基纤维素钠(Carboxymethylcellulose sodium，CMC-Na)反应的最适pH值范围在5.0-7.4之间，BG酶与Salicin反应的最适pH值为5.0-6.2，2种酶的活性均与pH值符合二次项曲线模型。

Under this kind of electric field the relationship between the evaporation rate of distilled water and the semidiameter is pure quadratic.

上电极采用多个针电极的情况下，蒸馏水的蒸发速度比上电极采用单针电极情况下要快，但是并不是随着针电极的倍数增长而成倍的增长。

Finally, with Tobin's "Separation Theorem", we introduce the transaction cost into the efficient frontier and t he effective efficient frontier is obtained. And a quadratic utility function is applied to demonstrate that maintaining a suitable level of transaction cost in the current Chinese stock market is important to the equilibrium of the Chinese stock market and the risk control of the individual asset.

本文的第四部分，引用托宾的"分离定理"，通过加入交易成本，区分了名义有效边界和实际有效边界，指出了交易成本调整对我国股票市场均衡影响的作用机制，并引入了效用函数，实证研究了交易成本适度对我国股票市场均衡和个人资产风险水平控制的重要意义。

Sequential quadratic programming algorithms are widely acknowledged to be among the most successful algorithms for solving nonlinear optimization problems.

序列二次规划算法是求解非线性规划问题最有效的算法之一，是目前研究的一个热点问题。

The optimal method used in this paper is named Sequential Quadratic Programming, which is one of the most successful methods for solving nonlinear constrained problem.

最优化方法采用了当今求解光滑的非线性规划问题的最优秀算法之一的序列二次规划法。

Third, for the problem of the stress, local stability and displacement constraints, the sequential quadratic programming method is adopted in this paper.

第三，对于应力约束、局部稳定约束和位移约束的问题，本文采用序列二次规划SQP方法进行了求解。

This paper studies the methods for solving general nonlinear programming problems by a sequential quadratic programming algorithm.

本文主要研究用序列二次规划算法来求解一般非线性规划问题。

In this paper, when evolutionary programming and sequential quadratic programming are applied to the structure optimization of feed-forward neural networks, a learning algorithm is proposed.

用进化规划与逐步二次规划来实现前馈神经网络的结构优化问题，并提出了一个相应的学习算法。

An optimization method is proposed to get global optimum with the higher probability based on Sequential Quadratic Programming method.

提出一种通过多次调用逐次二次规划法，以提高求得稳态优化问题全局最优解的概率的优化方法。

In this paper, the Genetic Algorithm, the Simulated Annealing and the Sequential Quadratic Programming used in the design of the HTS magnet were discussed and it was found that they had different advantages and limitations.

因此，本文发展了由遗传算法、序列二次规划算法和模拟退火算法有机结合而形成的优势互补的混合算法来进行高温超导磁体的电磁结构优化。

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。