查询词典 dispersion

Pigments and extenders; methods of dispersion for assessment of dispersion characteristics; part 4: dispersion using a bead mill

颜料和体质颜料。评定分散性的分散方法。第4部分：用压研磨机分散

Aiming to solve the shortcoming in the prior art that any on-line DCF dispersion compensation technology is not provided for long distance, and the nonlinear effect in the dispersion compensation technology is restrained, the invention provides the dispersion compensation method, which includes the steps that after a sending end implements electric pre-compensation treatment on a digital signal to be transmitted, a control electric/optical converter module outputs a distorted optical signal; after receiving the optical signal, a receiving end conducts a post compensation treatment after converting the optical signal into an electric signal, or converts the optical signal into the electric signal after implementing the post compensation treatment.

为了解决现有技术中长距离无在线DCF色散补偿技术的不足和抑制色散补偿技术中的非线性效应，本发明提供了一种色散补偿方法，包括发送端将待发射的数字信号进行电预补偿处理后，控制电/光转换模块输出畸变光信号，接收端收到光信号后，将光信号转换为电信号后进行后补偿处理，或将光信号进行后补偿处理后转换为电信号的步骤。

To reduce the large numerical dispersion error for the alternating direction implicit finite-difference time-domain method, an isotropic ADI-FDTD method with low numerical dispersion error was presented.

针对交替方向隐式时域有限差分方法数值色散严重的缺点，提出了一种低数值色散的各向同性ADI-FDTD方法。

The analytical solution of 1-D convectional-dispersion differential equation with the hydrodynamic dispersion coefficients so determined can very well simulate the salt and water movement processes in the soil columns.

采用如此计算得到的水动力弥散系数D值代入经典的一维对流-扩散方程能很好地预报饱和土壤的水盐运移。

Spectrum control technology and its application researchBasic theory of smoothing by spectral dispersion in high-power laser system was studied. Periodical frequency modulation was obtained by chirped pulse stacking, and novel special gratings were proposed here to obtain angular spectral dispersion and temporal smoothing of focal spot.

并在国际上首次成功地应用于激光聚变高功率激光系统中。3、激光脉冲光谱控制技术及应用研究研究了高功率激光光谱色散平滑的基本理论，提出利用堆积啁啾脉冲的周期性光谱调制特性和新颖特殊光栅实现光谱角色散和激光束远场焦斑的时间平滑。

Firstly, the isotropic difference templates were introduced to approximate the differential in the ADI-FDTD method, and the weighting coefficients of difference terms were determined for implementing isotropic numerical dispersion; Then the permittivity and permeability were adjusted manually to reduce the numerical dispersion error in any directions. Therefore the simulation accuracy and efficiency can be improved effectively for time domain problems with some finite bandwidths.

该方法在ADI-FDTD方法的差分近似微分中引入各向同性差分模板，并通过确定各向同性差分的加权系数来近似实现各向同性，然后人为修正空间的介质参数来减少各个方向上的数值色散误差，因此在模拟一定带宽的时域问题时可有效提高计算精度和计算效率。

This system has function dispersion and can deal with parameter checking, calculation, control strategy, information output and process parameters time-control. These functions will auto-run effectually and reliably that make control dispersion. Fieldbus intelligential model layer in this system is made of a few intelligential models in the fields.

该系统实现了功能分散控制，对过程参数检测及运算处理、控制策略的实现、控制信息的输出以及过程参数的实时控制等都在现场的过程控制单元中有效地、长期可靠地、无人干预地自动进行，从而实现控制功能的高度分散。

This system has function dispersion and can deal withparameter checking, calculation, control strategy, information output andprocess parameters time-control. These functions will auto-run effectuallyand reliably that make control dispersion.

在此理论基础上，论文提出了一种应用于印刷业张力联动控制的基于现场总线技术的集散控制系统DCS2000-MRT，介绍了该系统的主要功能、硬件组成、工作原理、软件设计及其实现方法。

We found that it is the effect of odd-order term of f which describe the total energy collocation between forward wave and backward wave that causes the difference of modulation instability between normal dispersion region and abnormal dispersion region.

第三，根据增益谱的比较，我们从色散关系式中看到了产生这种变化的原因。正是由于存在f奇次项的影响而导致了这种在正常色散区和反常色散区变化趋势的不同。

Through research, we find that the non-uniform dispersion of butyraldehyde in PVA solution is the main reason of PVB agglomeration. Adding butyraldehyde to the PVA solution at the temperature of 40-60℃can ensure the uniform dispersion of butaraldehyde in PVA solution.

通过改变工艺条件，在40-60℃的条件下，将正丁醛加入PVA溶液中，可保证正丁醛分散均匀，降至适当温度后，再滴加盐酸，这样在不加任何乳化剂的条件下也得到了粉末状的PVB产品。

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度，既是社会信用体系的建设者，同时也是社会信用的捍卫者，在诚信中有其特殊的价值和功能。