模拟

In order to investigate the capabilities of zircon as waste forms for immobilizing simulated trivalent actinides, trivalent europium (Eu3+) was used as the simulacrum for trivalent actinides, the waste forms containing 20 mol% Eu3+ were successfully synthesized by high temperature solid reaction and using ZrO2, SiO2 and Eu2O3 powders as starting materials.

中文摘要：为研究锆英石基三价锕系模拟核素固化体的性能，利用Eu3+作为三价锕系核素模拟替代物质，以ZrO2、SiO2和Eu2O3粉体为原料采用高温固相法制备了包容Eu3+为20mol%的锆英石基固化体。

Activated Sludge Model No.1 (ASM1) was used for bioreactor modeling. A case study was made for a complex activated sludge process including nitrification, denitrification and aeration. Optimization waas made for three reactor layouts.

采用ASM1模型来模拟生物反应，对包括硝化、反硝化和曝气等复杂过程的活性污泥废水处理系统进行了模拟和优化研究。

Simulation is programmed by man in order to actuate the representation of the objects.

模拟是由人编制程序以实现被模拟事物的表象。

Comparison between simulation results and experimental data shows that combination of simplified reaction dynamics and CFD can give an accurate simulation of traditional SNCR and SNCR process with methane additive.

模拟结果与实验结果的对比分析表明，采用简化的反应模型和CFD结合可以对常规SNCR反应和加入CH4的脱除NOx反应过程进行较为准确的模拟。

This software also facilitates the calculations for the adiabatic flame temperature of the hydrogen and air mixture in an adiabatic and isobaric process.

模拟结果之最高温将与绝热火焰温作比较，以确保模拟结果之正确性。

Furthermore data assimilation experiments are conducted with MM5 Adjoint-model Assimilation System made by adjoint codes. With a case of heavy rainfall taking place from 00h July 23 to 00h July 24,2002, several numerical simulation experiments of different schemes are performed. The results are as follows. MM5 Adjoint-model Assimilation System not only can improve the initial field effectively and promote the coordination with the model but also can enhance the forecast on the precipitation and other elements. The assimilation of CDW has an improvement on quality of upper wind. The effect of direct numerical simulation with utilizing the CDW to amend the initial field gains the advantage over the one not.

结果表明，MM5伴随模式同化系统能有效改善初始场与模式的协调能力，提高模式对于降水场和其它要素场的预报；使用云导风资料修正初始场后直接模拟的效果比未使用时直接模拟的效果要好，对部分区域的强降水预报精度有一定程度的改善；使用伴随模式同化系统后，加入云导风资料的同化试验对其它要素的改善与直接同化常规资料的效果相比，改善优势不明显，但从各要素的误差来看，对于风场的改善最好。

How to better simulate the advection and distribution of water substance has an important significance for the improvement of the numerical weather prediction, especially for precipitation.

如何更好地模拟水物质的平流和分布，对于数值天气预报效果的改进，特别是对于更好地模拟降水过程，具有重要的意义。

Comparison of the results obtained by simulations and experiments shows that that the advection term has little effect on the results of injection process simulation and on those of free surface shapes in viscous flow injection.

对模拟和实验结果的比较表明，对流项对粘性流注射填充过程和的其中的自由表面形状的模拟结果影响可以忽略。

An object-oriented Petri Net will be built to model a flexible manufacturing cell. This cell includes a robot, three machines and a WIP buffer. The job enters the cell once the job volume is under capacity limit, therefore adynamic scheduling system is required to schedule operations for jobs in the cell. An algorithm will be developed for the scheduling system, which considers job's makespan as criteria.

在研究中，采用物件导向裴氏图模式，架构一个阶层式之弹性制造系统，其中包含机器群组主电脑物件、机器电脑物件以及机器手臂电脑物件，并规划系统的动态进出排程，以工作总完工时间为绩效评估指标来发展演算法，接著建立eM-Plant的模拟系统，以资料库建立之工件加工档，进行动态排程及模拟。

Based on the Green Light District simulator of tr affic, several control strategies of traffic lights were implemented. The analysi s was focused on Longest Queue, Relative Longest Queue, Reinforcement Learning, SARSA and GA control strategies.

利用GLD交通模拟软件对交通信号灯控制策略进行模拟试验，分析了最长等待队列、相对最长等待队列、强化学习、 SARSA和遗传算法等交通信号灯控制策略。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。