参数变化

Comparative heat aging experiments were carried out about disposal transformer oil and disposal transformer oil with afflux oxygen.

而热老化是变压器油老化的主要原因之一，因此研究超高压（500kV）变压器油热老化过程中特性参数变化具有重要意义。

As an important part of the research, the effects of these parameters on fuel/air mixing in the wall jet and boundary layer are studied.

作为研究的一个重要方面，分析和讨论了这些参数变化对壁面喷注及壁面附面层内燃空混合的影响。

Through transformation of parameters, the meshing design system among Hy-Vo silent chain, sprocket and hob was built up based on the research of the pitch increment and the equivalent apothem increment of the effects on the common normal line length when the Hy-Vo silent chain was wrapped around and located on the sprocket, with the proper meshing conditions of Hy-Vo silent chain and sprocket into consideration. The design method of common normal line length was put forward that can be used when the value of the sprocket pressure angle was equal or unequal to the value of the Hy-Vo chain plate pressure angle.

在分析Hy-Vo齿形链链节围在链轮轮齿上定位时其节距增量和当量边心距增量对链轮公法线长度影响的基础上，根据Hy-Vo齿形链与链轮的正确啮合条件，通过参数变化，建立了Hy-Vo齿形链－链轮－滚刀三者之间的啮合设计体系，提出了既适用于链板齿形角等于链轮压力角情况，也适用于链板齿形角不等于链轮压力角情况的Hy-Vo齿形链链轮公法线长度的计算方法。

It is found that with the increasing of N , leaf reflectance increases and reaches an asymptote while leaf transmittance decreases and reaches an asymptote also.

同时，给定叶绿素和水分含量，还模拟了当叶肉结构参数变化时的叶片的光学特性，随着N的增大，叶片的反射率逐渐增大，并渐趋一致，而透过率随着N的增加而渐减小，最后也逐渐靠近。

And quasi-periodic and chaotic motion can bifurcate from periodic motion when parameters of the system are changed.

而在系统参数变化时，又由周期分叉形成了准周期和混沌。

Analysis of the Relationship Between Blood Platelet Count,Its Related Parameter Changes and Liver Disease

核心提示：目的：研究血小板数量及其相关参数变化与肝病患者病情的关系。

Objective To study the connections between blood platelet count as well as its helate parameter changes and the conditions of the patients.

目的：研究血小板数量及其相关参数变化与肝病患者病情的关系。

Then we design a robust controller by using QFT according to the variable bound of multiple models for one type vehicle.

然后根据某型号飞行器俯仰通道多个模型参数变化范围，利用定量反馈理论进行鲁棒控制器设计。

Because the uncertainty of this class of system is bounded by a linear function of the norm of the delayed states with unknown bounds, an adaptive update law is proposed to estimate the square of these unknown bounds.

论证了鲁棒自适应控制器存在的条件，并给出了能适应未知参数变化且使得最终闭环系统状态一致最终有界的鲁棒控制律的设计方法。

The transient design problems of high-frequency transformer and its buffer circuit of main circuit are discussed in detail and the influence of variation of the elements parameters on the main circuit transient behavior is explored qualitatively and quantitatively.

围绕逆变电源主电路动态过程的设计问题，重点讨论了功率脉冲变压器及其缓冲电路的设计要点，定性和定量地探讨了器件参数变化对主电路动态过程的影响，在仿真的基础上，实现计算机辅助优化设计。

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。