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Secondly, the optimum operating conditions of the batch distilling tower for separating amyl alcohol from the fusel oil were found by applying CC-BATCH, a batch distillation model of the chemical engineering simulative system named ChemCAD5.0, to simulate and calculate the special technological process of salt outing-special batch distillation.

其次,利用ChemCAD化工模拟系统软件中的CC-BATCH间歇精馏模块对"盐析—特殊间歇精密精馏法"从杂醇油中制备C5醇的分离工艺进行了全流程模拟优化计算,模拟过程在所设限定条件下能满意收敛,所得结果与实验结果基本上一致。

Cavity flows both with and without sound excitation are studied by solving the 2 D time dependent Reynolds averaged Navier Stokes equations using explicit predictor corrector difference algorithm of Mac Cormack.

采用显式MacCorma-ck二步预估校正有限差分格式,求解二维雷诺平均非定常Navier-Stokes方程;并用Cebeci-Smith代数紊流模型作适当修正来模拟紊流效应,对有、无前缘声激励两种情况的空腔流场作了数值模拟,计算的振荡频率及振荡幅值都与实验结果基本符合,并且较好地模拟出了声激励对流场的影响。

The data were applied to simulate the neutron energy spectrum and angular distribution of Lanzhou University 3×10^12 s^(-1) intense neutron generator with 260 keV deuteron beam using MCNP. The interactions of neutron and the materials of neutron generator and laboratary wall were included in this MCNP simulation. The simulation results on the neutron energy spectrum and angular distribution of Lanzhou University 3×10^12 s^(-1) intense neutron generator with 260 keV deuteron beam were presented.

以分割法计算得到的能谱和角分布数据为基础,建立了D-T中子源Monte-Carlo模拟抽样模型,在考虑中子发生器各元件材料及实验大厅墙壁对快中子的慢化、散射和吸收的条件下,采用MCNP程序对兰州大学3×10^12s^(-1)强流中子发生器260 keV氘束流能量下的中子能谱和角分布进行了模拟,给出了模拟结果。

The data were applied to simulate the neutron energy spectrum and angular distribution of Lanzhou University 3×1012 s-1 intense neutron generator with 260 keV deuteron beam using MCNP.

以分割法计算得到的能谱和角分布数据为基础,建立了D-T中子源Monte-Carlo模拟抽样模型,在考虑中子发生器各元件材料及实验大厅墙壁对快中子的慢化、散射和吸收的条件下,采用MCNP程序对兰州大学3×1012 s-1强流中子发生器260 keV氘束流能量下的中子能谱和角分布进行了模拟,给出了模拟结果。

At last, 2KVA - experimental prototypes of AC power supplies of multiple-loop analog and digital control system have been made. Fast dynamic response and load compatibility have been verified by the experiment of step change in the load and under rated full-wave diode bridge rectifier load.

最后各研制了一台2KVA的多环模拟控制系统逆变电源实验样机和数字化控制系统逆变电源实验样机,切换负载实验和负载适应性实验分别验证了逆变电源系统具有良好的动态性能和负载适应性。

The Paired Comparison and Constancy Graphical approaches for statistical analysis will be used for the psychological experiment.

因此,针对声源方向感受此一课题,以两反射音之模拟声场进行实验探讨,研究方法不仅以数理解析,并针对人们实验的心理感受进行调查分析,心理实验时采用配对比较法及恒常性图解法统计分析,试图藉由若干变因的控制进行量化,实验结果发现声源方向感度的变化,主要受制於双耳互函数级数及全反射音振幅的大小,双耳听觉互函数主要与反射到达测听者的方向和反射的幅度有关,证实声源方向感度与双耳互函数级数为正比之关系存在。

By systemic researching and simulating experiment, the text gains such results as follows,1. On the base of sufficiency research on the oil-gas hydrocarbon systemic chemistry composing and the physical chemistry characters, we traverse the mechanism of the paraffin's deposition. Then we consider that paraffin deposition is a complex process ofphysical chemistry, which includes more than one single mechanism.2. Traversing and comparing the literature in detail on different factors that has effect on paraffin deposition, the available experimental methods on paraffin deposition, prevention of paraffin deposition, and removing of the deposited paraffin on the spot.3. Ameliorated the laser equipment of solid particle inspecting system and the corresponding test methods. Determine WCT of dead oil and live oil from KS101 well under different pressure with this system. The result implies that dead oil has opposite regulation on paraffin deposition temperature to live oil.4. A vapor-liquid-solid envelop is drawn by superposition regular vapor-liquid envelop and WCT curve thereby explained that the departure and quick raising of the curve in the low temperature zone is caused by the appearance of paraffin in solid phase.5. Estimation is made to determine the depth of paraffin deposition in the well.

通过系统的研究和实验模拟,本文取得了以下研究成果:(1)在充分调研油气烃类体系的化学组成及其物理化学特征的基础上,详细研究了石蜡沉降的机理,认为石蜡沉积是一个复杂的物理化学过程,是多种机理共同作用的结果;(2)深入调研并综合阐述了影响石蜡固相沉积的各种主要因素,对目前国内外常用的有机固相沉积实验研究方法和现场清防蜡措施也做出详尽的描述,并加以对比评价;(3)改进了油气藏开发重点实验室自行研制组装的高温高压下测定固相沉积的激光装置和测试方法,并用该套设备测定出柯深101井的井口脱气油样和凝析气平衡油样不同压力下的析蜡点,实验结果表明,脱气油和平衡油析蜡规律相反;(4)将常规气-液两相相图和析蜡曲线叠加得到了气—液—固三相相图,从而解释了气-液两相等液量线在低温区域偏离正常并快速上翘是由于体系有石蜡固相出现;(5)利用实验测试的析蜡温度预测析蜡位置,表明只有在距井口465m油管以上会有蜡析出。

First, the thermal resistance of three heat sink related to Re and H / D was obtained separatively, and the average Nusselt number equation of the simulated chip surface under the three heat sinks related to Re and H / D was got separatively by least square method too.

首先,分别获得了这3个热沉的热阻随 Re 数及 H / D 变化的实验数据和对应这3个热沉的模拟芯片表面的平均努塞尔数随 Re 数及 H / D 变化的实验数据;其次,选用合适的函数形式对实验数据采用最小二乘法拟合,得到了此实验条件下关于 Re 、 H / D 及肋片高度 Hf 的准数方程。

The anti-aging performance of the two paving asphalts was characterized with the changes of conventional and unconventional properties.

以两种国产道路沥青为研究对象,分别以薄膜烘箱实验和薄膜烘箱实验组合压力容器老化实验模拟沥青的短期老化与长期老化,以老化实验前后沥青的常规和非常规性质的变化表征抗老化性能。

In the first part, study 1 was designed to investigate the development of the science inquiry ability in the group of the primary and secondary School student, and how the task difficulty affects science inquiry. We used the self-directed, computer simulated inquiry task, namely pendulum and string task It required the subjects to find the factors that affected the swing frequency of the pendulum and the level of stretch of the string. To evaluate the ability of science inquiry, we analyzed subjects'experiment-design strategies, evidence-evaluation strategies, and results of inference.

实证研究分两部分,第一部分即研究一,采用计算机模拟的自我指导实验探究任务,任务内容为单摆实验和弹簧实验,要求被试自主探究影响单摆摆动频率和弹簧伸拉长度的因素,并以科学探究的全过程为研究对象,以被试探究中的实验设计策略水平、证据评价策略水平以及正确推论结果作为衡量科学探究的指标,系统探讨了小学高年级和初中学生科学探究的特点。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。