1) isospin-and momentum-dependent transport model IBUU04
输运模型IBUU04
1.
Based on the isospin-and momentum-dependent transport model IBUU04,the transverse momentum distri- butions of the free neutron-proton ratio in the ~(132)Sn+~(124)Sn reaction system at mid-central collisions with beam energies of 400/AMeV,600/AMeV and 800/AMeV are studied by using two different symmetry energies.
基于同位旋和动量依赖的强子输运模型IBUU04,采用两种具有不同密度依赖的对称能研究了~(132)Sn+~(124)Sn反应系统在400MeV/A,600MeV/A,800MeV/A三种不同碰撞能量下中快度发射核子中-质比随横动量的变化关系。
2) transportation model
运输模型
1.
Aiming at a case of fuel loading barges,the paper uses the theory and method of Operations Research to establish the transportation model,solves the model with software QM for windows to get allocation scheme of minimal electricity consumption of fuel loading barges and compares the best allocation scheme and normal operation scheme.
针对一起燃料油装船的案例,使用运筹学的原理和方法,根据实际情况建立了运输模型,利用QMfor windows软件求解该运输模型,得出了油泵输送燃料油装船耗电量最小的分配方案,并将此最佳分配方案与平时的常规操作方案进行了比较。
2.
Then, the transportation modelis introduced into the spatial load forecasting.
然后采用用地仿真法,建立负荷分布的运输模型,通过求解模型获得负荷的具体分布情况,通过自上而下的负荷细分,获得具体的负荷增长情况。
3.
In this paper, SLF for Dahao District, Shantou City is made, using fuzzy evaluation and transportation model to achieve optimal land allocation.
对此 ,采用了模糊评分、运输模型求解最优等手段 ,对汕头市达濠区进行了空间负荷分布预测 ,其结果能够满足实际工作中的要求。
3) transport model
运输模型
1.
Transport network graph in accord with time restriction is built according to graph theory,and multi-aviation ammunition transport model is constructed under the conveyance ability restriction.
根据图论理论生成符合时限要求的运输网络形图,构建了在运力约束下多种航空弹药的运输模型,并用KSHWC算法对模型进行求解,同时也运用单纯形法对无约束的情况进行了求解,并对两种求解结果进行了比较,发现KSHWC算法能够在容量限制的范围内,充分优化运输方案。
2.
It applied linear transport model to implement the optimal allocation planning for cargo flow.
主要阐述基于遗传算法原理,采用线性规划中的运输模型,对货流进行最优分配规划。
4) transport model
输运模型
1.
The transport model of macroscopic particles in plasma is introduced, and the acceleration, the velocity and the time of the descent of the particles are calculated.
建立了等离子体中宏观粒子的输运模型 ,计算了粒子沉降的加速度、速度和时间 ,得出了粒子收集的判据和沉降过程中提纯效应可提高很多的结论 。
2.
This paper analyzes the carrier non local transport model of small size semiconductor devices and studies the influences of nonsymmetrical band structure and heterogeneous effect on emphasis.
系统分析了小尺寸半导体器件中的载流子非本地输运模型 ,重点研究了非均匀能带结构和异质结效应对输运电流密度的影响 。
3.
We propose a simple hadronic transport model for investigating the K+/π+ratio in relativistic nucleus-nucleus collisions and point out that the thermal motion of baryons and multiple rescattering effect play an important role in the enhancement of K+/π+ ratio.
提出了一个研究相对论性核碰撞中K+/π+增强的简单的强子输运模型,指出了核子热运动和多次再散射效应的重要性。
5) band transport model
带输运模型
1.
Both dynamic mechanisms and diffraction characteristics of the local volume photorefractive holographic gratings recorded by two finite bounded plane waves in doubly doped LiNbO_3∶Fe∶Mn crystals are investigated,by taking into account both the band transport model and two-dimensional coupled-wave theory.
将带输运模型与二维耦合波理论相结合,研究了双掺杂LiNbO3∶Fe∶Mn晶体中由两束有限宽度平面波干涉产生的局域光折变体全息的动力学机制及其衍射特性。
2.
The band transport model is now a widely accepted photorefractive theory.
带输运模型是目前被广泛接受的光折变理论。
3.
Based on the two-center nonvolatile holographic recording method and the theory model combining band transport model with the two-dimensional coupled-wave equations, the numerical simulation method is used to study the photorefractive formation and diffractive properties of the crossed-beam photorefractive gratings.
为研究局域体光栅的光折变形成机制及衍射特性,以双中心非挥发全息记录方案为基础,将带输运模型与二维耦合波理论相结合,采用数值模拟的方法,研究紫外敏化光强和记录红光总光强的变化对LiNbO_3:Fe:Mn晶体中局域体光栅的影响,并给出定影结束时平均折射率调制、衍射光波振幅及衍射效率的模拟结果。
6) TP transport equation
TP输运模型
补充资料:半导体的导电与电荷输运
半导体的导电与电荷输运
conductance and charge transport in semiconductor
“一斋<:>厂rE嚼。:丈“E4fod二于声学声子散射,r一3厂/8一1.18;而对于电离杂质散射,r二315厂/512=1 .93。在:与能量无关的情况下,r一1。如果n》P,有R一r(二皿)2一3 一 一一 、/ r /、式中E为电子能量。对P之0,有 e
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