查询词典 oscillation

It is proved from the results that homotopic method can be used for analyzing the SST anomaly in the equatorial eastern Pacific and the thermocline depth anomaly of the atmosphere-ocean oscillation for ENSO model.

从得到的结果看出，同伦映射方法能够用于分析ENSO模型在赤道东太平洋中的SST异常和气-海振荡的温跃层深度异常。

In this paper, we consider neutral functional differential equations and study the global existence of their solutions, stable subspaces and unstable subspaces of linear autonomous dynamical systems, local stable manifolds and local unstable manifolds of near hyperbolic equilibrium point of nonlinear autonomous dynamical systems, periodic solutions and oscillation of the neutral equations.

本文主要研究中立型泛函微分方程解的整体存在性，自治线性动力系统的稳定子空间与不稳定子空间、自治非线性动力系统在双曲平衡点的局部稳定流与局部不稳定流，周期解与解的振动性。

In chapter 2, the oscillation of a class of nonlinear hyperbolic equations with continuous distributed deviating arguments is studied.

第二章研究了一类带连续分布时滞变量的非线性双曲方程的振动性。

The Ca〓 oscillations occured before GVBD were associated with the resumption of GVBD, because when the oocyte was cultured in medium with hypoxanthine, no Ca〓 oscillation occurred, without hypoxanthine the oscillations occured again.

这些Ca〓波动与卵母细胞的GVBD有关，被次黄嘌呤抑制于GV阶段的卵母细胞不出现这种形式的波动，当再次培养于无次黄嘌呤的培养液中则又出现Ca〓的波动。

The contact constraint conditions of the contact-impact model are described by the velocity field, so that it can satisfy the physical impenetrability constraint better and decrease the oscillation of the numerical algorithm.

本文接触—冲击有限元模型，以接触面速度场施加接触约束，不仅更符合物理上非刺穿条件，而且可以减小冲击接触算法振荡。

In addition, three special measures are introduced to guarantee the precision of solution, which are the pressure correction formulation to meet the impressible condition, the velocity correction formulation to avoid the error accumulation and a stability term addition to eliminate the velocity oscillation.

另外，本文还三种措施来提高晃动问题的精度，即通过压力修正来精确满足不可压条件、通过速度修正精确跟踪液面和通过引入稳定项避免解的振荡。

When the heat flux is just beyond that activates the boiling incipience, the oscillation time period is in the range of 50 to 100 seconds.

当热流密度略大于沸腾起始点时，脉动周期长达50~100s。

Unfortunately,the surge protection devices are occasionally faulty because of the protection indeterminateness due to the design and installation of SPD.We discussed the random characteristic of lightning strike,the breakdown time delay and jitter of SPD,multi-stages protection blind zone,the reflection oscillation of lightning wave between loads and SPD's,and proved the indeterminateness o...

由于SPD设计和施工带有多方面的不确定性，使被保护系统可能出现故障，导致SPD保护失效，因此从雷击特性的随机性、组成SPD元器件的击穿时延和分散性、多级保护盲区、雷电波在负载与SPD之间的反射振荡特性等方面进行了分析探讨，最终得出了SPD保护不确定性的必然性。

A modified backward Euler method is developed which enables to increase considerably the accuracy of jump voltage computation as a result of freeing its computing from the influence of the faint asymmetrical initial current in such an inductive circuit as converter and completely eliminate numerical oscillation in converter simulation as often seen in the case of implicit trapezoidal integration method.

本文提出一种变形的后退欧拉法，用该法对换流器这样的纯电感电路进行跃变电压计算，可完全避免初始电流中微弱的不平衡对跃变电压计算的影响，大大提高了跃变电压的计算精度，并彻底消除了隐式梯形积公法用于换流器仿真时所存在的非原型数值振荡。

However, due to the oscillation and singularity of the integrand of Green's function and that integral interval is infinite, it is difficult to compute the function and to control the accuracy.

而格林函数中被积函数的振荡性，奇异性和积分区间为无穷使得该函数的计算较为困难，精度不易控制。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。