平衡环

Simultaneously, when the volume fractions of coexisting three-liquid-phases are converted into mass densities, it is also found that the coexisting curve of temperatures versus mass densities of phases is also standard inverse "S" type curve.

实验结果表明，在平衡共存三液相中，水、环己烷和二乙二醇丁醚的体积分数随温度改变的变化曲线分别是倒"S"型，正"S"型，"结"型；将共存三液相的体积分数转化为对应的相密度后，相密度随温度改变的变化曲线也是规整的倒"S"型；而且，3条"S"曲线形状均表现出不对称的特性。

In favour of arc length algorithm, the curve of fix points of balanced rotor to rotor speed, harmonious and subharmonious unbalance reponse curves are given. The Hopf bifurcation of balance rotor is computed by use of extent equation method.

同时应用扩展方程方法计算了平衡转子的Hopf分叉点，并用求得的Hopf分叉点参数进行数字仿真，证明极限环的存在，因此说明Hopf分叉点的计算是正确的。

Utilizing the theory of Lur\'e system,the paper studies the practical synchronization of the system composed by nonidentical cells coupled through quorum sensing.This type of synchronization,which implies the dynamics of each cell is similar but with small difference,is a common kind of phenomenon.

本文利用相约化方法将振子网络的状态方程转化为相应的相方程，然后通过对其相方程进行分析，证明了耦合极限环振子网络在很弱的平衡耦合下就可以实现相同步。

Epoxyethane ; aqua solution ; tubular reactor ; static mixer ; equilibriumflash vaporization ; ammonia removal ; monoethanolamine synthesis ; testing

环氧乙烷；氨水溶液；管式反应器；静态混合器；平衡闪蒸；除氨乙醇胺合成；试验

The Euler-Lagrange equations and corresponding natural boundary condition are derived by the variation of Ohmic energy dissipation under the constraint of magnetic helicity balance.

在磁螺旋平衡的约束条件下，对总的欧姆耗散取变分，得出了环位形下的Euler_Lagrange方程和自然边条件。

The results show that the flow divider pintle supporting system has a closed loop adjusting effect with pressure feedback. The flow divider pintle returns to the balancing state with a zero eccentricity under the pressure feedback and has no overshoot.

结果表明配流轴支承系统具有压力反馈的闭环调节作用，配流轴在压力反馈作用下恢复到偏心率为0的平衡状态，且没有超调量。

On the basis of summarizing the current synthesis methods of Polydimethylsiloxane,we have successfully synthesized Polydimethylsiloxane by choosing the process of green solid acid as the synthesis method, Polydimethylsiloxane's synthesization is synthesized with D4 and MM as raw materials by three steps as retractation polymerization and equilibrium with titanium oxide as catalyzer.

我们在考察了目前现有的合成方法的基础上，选择了用绿色固体酸氧化钛做催化剂以八甲基环四硅氧烷(D4)和六甲基二硅氧烷为原料经缩合、聚合、平衡化三步反应来合成二甲基硅油。

In these solvents there is an equilibrium for 2-(2-mercaptophenyl)benzoxazole in the ground state between E1 and K, and the equilibrium shifts toward the tautomer K as the polarity of the solvent increases.

在溶液中，随着溶剂极性的增强，醇式异构体E1与K之间的反应平衡向K方向移动，在非极性溶剂环己烷中， E1为优势构型，而在强极性水溶液中， K为优势构型。

Using a phase equilibrium apparatus, the solubilities of anthracene and carbazole in dimethyformamide, N-methylpyrrolidinone, cyclohexanone, xylene, dichloroethane and tetrachloroethylene were determined and solubility curves were drawn, providing useful data for crude anthracene processing.

利用液固相平衡实验装置，测定了蒽和咔唑在二甲基甲酰胺、N-甲基吡咯烷酮、环己酮、二甲苯、二氯乙烷和四氯乙烯中的溶解度，并作出溶解度曲线，为粗蒽的分离和精制提供了有用数据。

Methods:Fresh pig corneas were drilled down by 13mm-diameter trephine.

选择新鲜猪角膜，以13mm直径环钻制取角膜标本，依次放入四种冷冻保护液中冷平衡，"简化四步法"程序降温后放入液氮中保存，使用前40℃水浴复温。

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。