obsession

On the basis of sub-linear delay differential system, the forced sub-linear variable delay differential system under linear impulsive perturbations was discussed,and asymptotic property of solution for this system was studied.

在次线性时滞微分系统的基础上,利用极限与积分的方法,讨论了带强迫项的次线性多时滞微分系统在线性脉冲下的扰动,研究了带强迫项的次线性脉冲时滞微分系统解的渐近性,得到了带强迫项的次线性多时滞微分系统在线性脉冲扰动下系统解渐近吸引的充分性条件。

A sufficient condition under which all solutions of a type of forced neutral nonlinear retarded difference equation converges asymptotically to zero is presented.

获得了一类中立型强迫非线性时滞差分方程所有解渐近趋于零的充分条件 ,推广了现有文献中的一些结果。

Some sufficient conditions are obtained for the asymptotic behavior of solutions of forced nonlinear delay difference equations,and the corrsponding results in Graef and Qianare improved and generalized.

获得了一类强迫非线性时滞差分方程所有解渐近趋于零的充分条件，改进和推广了Ｊ。

The time evolution of mass and energy of the solitary waves is analyzed, and finally the numerical solutions of the forced mKdV-Burgers equation with a small dissipation are given for a localized topographic forcing by using the pseudo-s.

利用扰动法 ,由包括耗散和地形的准地转位涡度方程导出了强迫mKdV Burgers方程 ,求得了小耗散情形下mKdV Burgers方程的近似分析解 ,分析了mKdV孤波质量和能量的时间演变特性 。

The investigation shows that the average value of all factors are higher than that of adults obviously,which have the characteristics of sensitivity,forcing and anxiety.

结果发现各因子均值明显高于全国成人常模,主要存在人际敏感、强迫、焦虑等心理问题。

An act of compelling employees to work violates seriously the person s right and freedom of the employees.

强迫职工劳动的行为,严重侵害了职工的人身权利与自由,是古代野蛮的"奴役"制之复现,与现代文明社会格格不入。

This study makes a measure on 457 university students by SCL-90,the results show that university students average scores on the nine factors is obviously higher than that of domestic normal group,Which especially focus on the factors of compelling,interrelationship sensitivity and depression.

本文采用SCL—90对457名大学生进行测量,发现大学生在9个因子上的得分皆显著高于国内常模,其中尤以强迫、人际关系敏感、抑郁等心理问题特别突出。

Aerosol optical characteristics and its direct radiative forcing in Beijing;

北京地区大气气溶胶光学特性及其直接辐射强迫的研究

It is shown that the total ozone amount in model RegCM2 is bigger than that from the observed data which result in the negative radiative forcing at top of atmosphere,the cloud cover variation and the temperature varia.

结果发现 :对区域气候模式RegCM2而言 ,用于研究中国地区时 ,模式中的臭氧总量比实际状况偏大 ,利用实测臭氧资料后能产生负的晴空辐射强迫 ,并引起云量变化 ,导致地表温度变

Based on the mass concentration data of aerosols simulated by LLNL CTM model and the improved aerosol parameterization in GOALS / AGCM, the radiative forcing of the global anthropogenic sulfate and soot were estimated at first time in China.

在ＬＬＮＬ化学输送模式（ＣＴＭ）模拟的硫酸盐和烟尘气溶胶资料及改进的气溶胶参数化基础上，在国内首次用ＧＣＭ估算了这两种气溶胶引起的全球辐射强迫。