查询词典 transfer

The charge-transfer process for the ground and charge-transfer state is displayed, and then the mechanism of photopolymerization is qualitatively discussed.

我们给出了分子基态与电荷转移态的电荷转移过程，并从理论上定性解释了双光子聚合反应的聚合机理。

A linear velocity of the transfer belt is set to be faster than linear velocity of an outer circumferential surface of the photosensitive medium contacting the transfer belt.

转印带的线速度快于同该转印带接触的感光介质的外周面的线速度。

The primary process of photosynthesis involves the capture of light energy, energy transfer and a series of electron transfer which all take place in the picosecond or subpicosecond time region.

光合作用是自然界中所发现的最高效的光化学过程，其中的原初反应则是将太阳光能转化为化学能的重要过程，它涉及光能的捕获、传递以及。。。

The software method is presented to transfer data between CPU and hard disk in PIO and DMA mode, and it presents the ways of optimizing DMA transfer speed and improving the system stability.

由于移动设备中电池电量有限，而硬盘耗能较高，课题研究硬盘的电源管理策略，提供了硬盘电源管理的接口，解决了硬盘功耗的问题，减少了系统总体功耗。

The local heat transfer coefficients on the concace, convex and plane wall of a duct have a mild difference, with the heat transfer coefficent of concave surface being the largest and that of the convex surface the lowerest.

同一通道中凸、凹表面的局部换热系数有一定程度的差别。凸面的换热优于平面，后者又大于凹面。

First, the author discusses the relationship between the legislation of bill hypothecation in negotiable instrument law and bill hypothecation in security law. The divergence is what is the relationship between the contract as the reason of the bill hypothecation and the transfer endorsement, what are the situation, effect and liability of them, and how to settle the dispute. Second, according to the current law, the creation of the bill hypothecation must meet the requirement below: the pledger should make the transfer endorsement on the bill, and make the delivery of the bill.

第一，票据法上的票据质押和担保法上的票据质押的关系，我国《票据法》和《担保法》对票据质押的生效条件的规定有差异，二者间的问题是，作为原因关系的票据质押合同与体现票据质押关系的票据设质背书之间是什么关系，二者的地位、效力、责任如何，实践中如果出现冲突该怎样解决。

The mathematical models of the dynamics of the mass transfer based on the Nernst-Planck equation were established from which it is found that the different characteristics of the water decomposition between the cation and the anion exchange membranes or resins, is owing to the different potential gradient on the two kind of ion-exchange interfaces, which is further because of the difference between the structure and performance of the different membranes or resins, and is also because of the difference between transfer numbers of cation and anion ions.

根据所建立的传质数学模型方程获知在阴阳膜／树脂表面与水接触的界面层中发生的水解离的差异性，是在于离子交换界面电势梯度的差异，而这种差异又与膜与树脂的结构、性能以及阴阳离子在水溶液中的迁移数的差异有关。

For bulk data transfer, the overhead of on-chip memory access is reduced by proper organization of data buffer. Meanwhile, a software-managed cache supporting coarse-grained access and data pre-fetch are adopted to enhance the performance of on-demand off-chip data transfer. In order to facilitate programming, a memory access library based on the proposed methods is implemented.

将CBEA访存分为批量访存和按需访存；通过合理部署数据缓冲区来减小批量访存计算中的片内访存开销，利用支持粗粒度访问的软件管理cache及数据预取来降低按需访存的片外访存开销；以访存接口库的方式来改善软件的可编程性。

Proposes a new method to calculate the heat transfer coefficients based on the superposition principle of heat flux i.e.using heat flux to calculate equivalent heat transfer coefficients.

通过对热流相加法处理地面问题的分析，提出了一种新的用于计算底层地面传热系数的方法，即由热流量计算地面的当量传热系数。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究，得出了许多有价值的结论，主要概括如下： 1、阐述了目前针对超声电机压电振子的主要建模方法，对压电振子动态特性的研究意义和必要性进行了论述，突出了本文研究内容的迫切性； 2、以压电陶瓷诱发弹性体发生弯曲变形为例，分析了压电陶瓷通过诱发应变来实现机电能量转换的机理；对基于纵弯模式的压电振子的运动及动力传递机理进行了分析； 3、基于模态假定，利用分析动力学的Hamilton原理，建立了面向直线超声电机压电振子的机电耦合动力学模型，并据此建立了压电振子的等效电路模型，导出了电参量与动力学特性参量的耦合方程，为压电振子与驱动电路的匹配提供了依据； 4、从压电陶瓷的本构方程出发，综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程，采用虚位移原理，建立了压电振子动态问题机电耦合场求解的有限元控制方程，为研究其大功率驱动下的非线性本构模型奠定了基础； 5、界定压电振子的动力学特性指标，对压电振子的机电耦合动力学模型参数进行计算及变参数仿真；依据等效电路模型，对压电振子的电学特性进行了仿真分析；通过有限元数值实验，对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析，找出了实现模态简并的激振频率；利用有限元控制方程，通过编程计算，对压电振子的力电耦合场参数进行了详细计算，得出了一些有价值的结论。

Panorama Many people are dancing in a large sitting room.

在一个大客厅里，许多人在跳舞。

We fully understand how a microwave oven cooks food, it is first necessary to talk ...

我们充分理解一个微波炉煮的食物，这是首先要谈。。。