参数变化

This paper discusses the source rocks, geochemical characteristic, oil-rock correlation, oil migration direction and favorable oil accumulations in Shuangtai-Hekou area, Liaohe basin, based on maturity parameters of oil from different wells, the abosulte concentration of nitrogen compound in oil, isomeride proportion of alkyl carbazole compounds with different polarity, and regional geology background.

在辽河断陷西部凹陷河口地区烃源岩和原油地球化学特征剖析及油源对比研究基础上，依据平面上不同井原油成熟度参数变化趋势，油藏剖面上不同原油含氮化合物绝对浓度及不同极性烷基咔唑类化合物异构体比值的变化规律，并结合区域地质背景，研究了本地区主力油源区、油气运移方向和有利油气聚集区带。

With the numerical simulation, the distribution of temperature field in adsorbent bed was got by applying Fluent software and the relation between temperature field and each parameter was analyzed.

建立了吸附床几何模型和数学模型，通过Fluent软件数值模拟得到床层温度分布的变化情况，并深入分析床层参数变化对床层温度分布的影响。

A experimental measuring system of double-illuminator method was used in order to study the history of collapse parameters include two dimensional Lagrange velocity and Taylor angle about two type of spherical liners. The final velocity,final Taylor angle and characteristic time of specified particles on inner wall of liners were measured .

文中应用二维拉氏速度光学测量技术，测得两种球缺形药型罩在炸药驱动下内壁给定位置的运动参数变化历程，包括速度和台劳角变化历程，并得出其极限速度、特征加速时间和极限台劳角。

A novel anti-spiral-shaped defected ground structure with dual-stop band is proposed,the variety of structure parameter is analyzed and simulated,and the position of dual-stop band can be availed by the variety rule.

提出一种新型的具有双阻带特性的反向螺旋形缺陷接地结构，对该结构的参数变化进行了分析与仿真，发现根据其变化规律可以有效地调节双阻带的位置。

In order to study the whole system stability when system parameters changes, based on small signal disturbance theory, the dissertation uses partial differentiation to linear the simulation system\'s state space model, and then the first Lyapunov theory is used to analyze the stability.

采用偏微法对整个模拟系统的数学模型进行了线性化处理，基于Lyapunov稳定性理论对整个系统进行了稳定性分析，得到系统主要设计参数变化时系统的稳定性变化规律。

The principle variation of beam deflection is calculated with two variable parameters: the initial speed and the acceleration of moving mass, using the solution method of time-variant mechanical system.

利用时变力学系统的求解方法，得到在移动质量的初速度和加速度两个运动参数变化情况下，梁的挠度变化规律。

Analysis of characteristic of MDF abnormity Based on the measuring data of mould friction of continuous slab casting in steel plant, the fluctuation characteristic of MDF and its rootmeansquare has been studied on the unstable conditions, such as breakout, temperature system warning, abnormity of submerged entry nozzle, mould level fluctuation, and on-line change of slab width.

MDF异常特征和规律分析以宝钢2号板坯连铸机生产中的结晶器摩擦力实测数据为基础，对应现场的漏钢、水口断裂等异常纪录，讨论了生产中采取工艺操作、工艺参数变化及异常发生时MDF及其均方根的波动规律及变化特征。

The calculation method is studied for coupling impedance of coaxial sinusoidal slow wave structure,which considers the influence of synchronous point on the amplitudes of harmonic waves of quasi-TEM mode.

研究了计算同轴正弦型慢波结构耦合阻抗的方法，以及慢波结构参数变化引起的共振点变化对各次空间谐波振幅的影响。

The theoretical calculated results are basically close to conventional test results. In the light of creep characteristics of gypsum breccias, a multiple rheological mechanics model is set up.

根据石膏角砾岩的蠕变特性，建立了石膏角砾岩的流变组合模型；编写了拟牛顿法拟合程序，对流变模型参数进行拟合，分析了不同应力水平下模型参数变化的规律。

Adaptive control of vehicle suspensions is one of the most important subjects in today's field of vehicle dynamics.

由于悬架系统的参数变化对车辆行驶平顺性有重要的影响，所以悬架参数的控制应特别重视。

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。