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lattice cell相关的网络例句

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The characteristics of pentacene/perylene derivatives based organic solar cells are investigated in this thesis Donor and acceptor layers are pentacene and N N'-dioctyl-3 4 9 10-perylenetetracarboxylic diimide (PTCDI-2~13C) respectively Twelve organic solar cells with pentacene/PTCDI-2~13C heterojunctions were fabricated to study the influence of various alkylic perylene derivatives on the power conversion efficiency Under the sunlight simulator with AM1 5G filter and 100 mW/cm2 the solar cell of pentacene/PTCDI-7C heterojunction with cathode of Ag/Al bilayer has the best performance among the devices with pentacene/PTCDI-2~13C heterojunctions In PL spectrum analyses the pentacene/PTCDI-7C film had lower recombination rate than the other pentacene/PTCDI-2~13C films; therefore more excitons could reach the P/N junction and enhance short-circuit current Furthermore the PTCDI-7C film grown on the surface of penatcene was more matched than other PTCDI films analyzed by the PL peak shifts of 10 nm and 45 nm thick PTCDI-2~13C and images of atomic force microscope More lattice match between the films of pentacene and PTCDI resulted in fewer defects in P/N junction and more carries can reach electrodes Accordingly the power conversion efficiency approach 2% was obtained from the solar cell with the active layer of pentacene/PTCDI-7C

本研究探讨以五环素/骈苯衍生物异质接面太阳能电池之特性,利用pentacene作为电子施体有机材料,PTCDI -2C~13C作为电子受体有机材料,制作出异质接面为pentacene/ PTCDI-2C ~13C等12种有机太阳能电池,比较不同碳数的骈苯衍生物对於有机太阳能电池之光电转换效率之影响。在AM1 5G、100 mW/cm2的模拟太阳光下,以pentacene/PTCDI-7C异质接面太阳能电池具有短路电流9 882 mA/cm2、开路电压0 376 V、填充因数0 523及光电转换效率达1 945%,皆比其他pentacene/PTCDI-2C ~13C异质接面太阳能电池来的大。由薄膜分析可知PTCDI-7C在这12种太阳能电池中具有较低的电子电洞复合发光效率,可以让较多激子到达异质接面进行电荷分离,减少电子电洞对复合发光的机率;此外,由光激发萤光光谱之峰值位移配合原子力显微镜表面结构图,可以得知当PTCDI-7C成长在pentacene上时会顺著pentacene的结构成长薄膜,故较无缺陷产生在P/N接面处;而在其他结构下则无此现象产生,致使在pentacene/PTCDI-7C薄膜中的载子有较大的机会可以移动至电极,使光电流提高,进而使光电转换效率提高。

Monte Carlo simulations of phase equilibria for lattice polymer systems with chain length r=1,2,4,8 are carried out in the canonical ensemble. All chain molecules are introduced into the cell regularly upon initiation, followed by being perturbed through the repta-tion, end - rotate, crank - shaft and L - flip motions.

应用修正的Widom试验粒子方法在三维立方格子中计算了链节数分别为r=1,2,4,8的链状分子在不同温度、密度下的剩余化学位,然后运用热力学关系计算了以上系统在不同温度、密度下的化学位、压力和压缩因子,并求得系统的相平衡曲线和临界点。

Lattice constant and unit cell volume change with the change of temprature.

晶格常数与体积随着温度的变化也发生了变化。

The application of the lattice Boltzmann method in unsteady open channel flows was studied in detail in the paper. An existing lattice BGK model was mended; For the problem of negative local equilibrium and evolutionary distribution, we proposed a lattice Boltzmann model based on cell-population equilibrium, which is a direct non-negative approximation to the continuous Maxwell distribution. The model reduces the transport and collision, two basic evolution steps in the LB model, to transport of the non-equilibrium distribution.

本文系统的研究了格子Boltzmann 方法在明渠非恒定流中的应用问题,改进了一个现有的LB 模型,数值实验表明此改进是有效的;在平衡态分布函数及分布函数的非负性问题上,作者提出了一个基于单元均衡的格子Boltzmann 模型,通过直接对Maxwell 分布函数的离散化实现对速度分布函数的非负离散,这种方法将传统模型演化过程中的碰撞和输运两个步骤直接表现为粒子的输运。

The traditional stability diagram for lattice design described in the space of the gradients of a focusing and a defocusing magnet is extended to study more complicated cases, in which the basic cell included in the super-periodic structure has more than two gradients as variables.

将环形加速器磁聚焦结构设计中,传统的聚焦和散焦磁铁强度空间中的稳定图方法,应用到更复杂的含有两个以上磁场梯度变量的超周期结构中,从而更深入地理解结构共振的形成机制和隐含的物理意义。

The main reasons of these phenomena can be attributed to the decrease of unit-cell free volume in lattice after the partial substitution of La〓 with K〓.

形成这一现象的主要原因可以认为是K部分替代La后,导致〓晶格内自由体积减小所致。

To get lattice materials with higher loading capacity than honeycombs and foams but much lighter,unit lattice cell structures were studied.

为了制备新型轻质高强材料,研究了满足拉伸主导型设计和临界细长比限制的点阵材料构形特征。

It was found that as the dopant amount of Fe3+ ions is up to 5.7mol%, the cell parameter and cell volume increase obviously, the sharing edges of octahedra and anionic fine structures of crystal plane (110) disappear gradually, and also the mean-square displacement of anions and lattice energy enhance abruptly.

结果表明,当掺杂量达5.7mol%时,晶胞参数a与晶胞体积明显增大,八面体共棱部分消失,(110)晶面中的阴离子精细结构逐渐消失,阴离子均方位移与体系能量也明显增大。

Then a majority transform rule modified with persistency of cell was proposed by a new equation as well as an algorithm of considering the information influence of cell movement traversing lattice space.

针对互联网元胞状态转换提出了考虑元胞坚定性的多数规则计算公式和元胞移动遍历算法。

In the preprocessing phase, our algorithm samples the environment in a 3D lattice structure, the potentially visible surface list of square-frustum at each cell in the lattice are precomputed and stored in a cube at the center of the cell.

当视点不位于场景采样点处时,从该视点邻近的采样点处存储的可能可见的多边形表中搜索那些位于当前视域内的多边形,只需绘制这些多边形即可。

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