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Investigation on dynamics of the emission spectrum from the plasma produced by laser ablation of metal surface is one of most effective experimental methods to explore the laser induced plasma dynamics.

激光诱导等离子体的形成过程,以及电子密度和电子温度等主要描述等离子体特性参量的动力学特性,是激光等离子体研究的主要内容。

Proton events in general only occur in SAA region while electron events appear at both SAA and polar regions.Electron flux of 0 5~2 0?MeV in polar regions is dominant over that of 2~15?MeV,while at SAA,fluxes from the two channels are about the same.There is a close correlation between energetic particle radiation inside and outside the satellite.

与现有理论模型和国外大致相同轨道上的空间高能辐射环境直接观测资料对比还表明,卫星舱内的辐射与舱外的空间辐射环境是完全相关的,积累的有关资料不但是航天设计和环境应用研究所需的重要参量之一,也是空间物理基础研究特别是辐射带研究的重要数据。

A constant in an equation that varies in other equations of the same general form, especially such a constant in the equation of a curve or surface that can be varied to represent a family of curves or surfaces.

参数,参量在相同一般类型的等式中取值变化的等式中的常数或常量,尤其是曲线方程和平面方程中能代表一类曲线或平面的常量

In the third chapter, by the analysis of the thermal lens effect of laser crystal, single-end-pumped laser crystal is analyzed and a thermal model suited for particular operating circumstance is founded. By the use of equation of heat conduction and with the boundary conditions, the half analytic solution of thermal field in the laser crystal is obtained through half-analytic thermal analysis, and a practical example is calculated together with analysis of the effect of some parameters on the distribution of thermal field.

第三章从分析激光晶体的热透镜效应出发,对单端泵浦激光晶体进行了分析,建立了符合工作条件下激光系统的热温场模型,通过热传导方程及晶体的边界条件,利用半解析热分析方法得出了晶体内部温度场的半解析解,并对实例进行了计算,分析了各种参量对温度场分布的影响。

Facilitates the addition of individual or equivalent units, along with their step-up transformers, to the power flow case

IPLAN风力发电场程序模拟单独或者成组的风力发电机的常规参量,并且辅助用户通过在数据采集中心的具体设置得到一

Time is one of the basic physical attributes of the world we live in. The accurate time not only gives an essential parameter to science research and experiments and engineering technologies, but works as an indispensably ruler for all dynamics systems and sequential procedure.

时间是物质运动和存在的基本属性之一,精密的时间作为科学研究、科学实验和工程技术诸方面的基本物理参量,为一切动力学系统和时序过程的测量和定量研究提供了必不可少的时基坐标。

An exponential function of the average particle size and the fluidity of granules is established.

本文还确定了过程参量对产品指标影响的变化趋势,提出了颗粒直径和流动性的函数关系式。

In this paper, a proper algorithm is proposed to predict high order reflections without extensional calculation time.

本文在模拟中提出了一种计算后期反射声能的方法,在不增加模拟计算时间的基础上对音质参量的计算更精确。

For chromatic editing such as fade-in/fade-out and dissolve, the image edge will change from clear to vague and to clear again during the editing process So we use average edge density to detect fade-in/fade-out and dissolve Experiments indicate that this method can detect fade-in/fade-out and dissolve.

并针对两类编辑模型,提出了可以较好地描述各自独特规律的几个参量。根据淡入/淡出和慢转换过程中边缘由清晰到模糊再逐渐到清晰的特点,提出了用平均边缘强度AED进行淡入/淡出和慢转换的检测。

The main contents of this dissertation are as follows:(1) According to involved theories of ferromagnetics, the microscopic mechanism of domain structure is analyzed systematically; through the movement variation of domain structure, that is the movement of domain wall and rotation of magnetic moment, the magnetization process is illustrated in an applied magnetic field. Meanwhile, by the use of energy methods, a study is performed on influencing factors of domain movement including stress, dope, scattering field, etc. The influence of various energies is dealt with on the magnetic behavior and parameters of ferromagnetic material; the corresponding theories of the spontaneous magnetization and technical magnetization are also discussed.

本文以此为研究背景,通过理论分析和模型试验,系统地研究了钢结构全磁通应力无损检测技术的基本理论和应用方法,主要研究工作如下:(1)根据铁磁学的相关理论,分析了铁磁材料磁畴结构产生的微观机理,并通过对磁畴结构运动变化规律,即磁畴壁移动和磁矩转动规律的研究,分析了外磁场作用下铁磁材料的磁化过程与一般规律,同时采用能量分析方法,研究了影响铁磁材料磁畴运动的主要因素,包括应力、掺杂和弥散磁场等,探讨了各种能量对铁磁材料磁行为和磁参量的影响,研究了相应的自发磁化理论和技术磁化理论等。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。