性能

To a certain extent, the effects of surface functional groups, especially oxygen functional groups, on adsorption properties were reviewed by changing of surface chemistry structure with the aid of different post treatments.

结合ACF后处理的结构变化以及吸附性能的改变，在一定程度上研究了表面基团特别是氧表面官能团对吸附性能的影响。

On the basis of previous study, the available procedure for two-dimensional steam flow and heat transfer prediction is modified in the aspects of boundary condition processing method and the matching technique of condenser and air pump performances. The procedure is verified by comparing calculation results of condensers with available experimental data, and a good agreement is achieved.

在前人发展的汽相流动与传热特性二维计算程序基础上，完善了二维计算方法的功能，探讨了各种特殊情况下的边界条件合理给定方法及凝汽器工作性能与抽气器工作性能匹配的方法，并采用制造厂和文献的实验数据验证了物理模型和计算程序的适用性，最后完善了程序的前后处理功能。

In order to verify the validity of the mathematical models and the calculation method, a series of experiments on the performance of an air-conditioner under variable conditions was conducted in the psychrometric rooms.The performances of the proto type under the different inlet air temperature of the condenser and evaporator, as well as the different face velocity of the condenser and evaporator was measured.

为了验证数学模型及计算方法的正确性，在焓差法空调器性能实验台上对一台房间空调器变工况性能进行了实验研究，测量了该空调器在不同的蒸发器和冷凝器进口空气温度、蒸发器和冷凝器迎面风速下的工作特性。

The performance of the controlling switch is directly related to the safety of airman, so it's required to measure the performance!

飞控开关的性能直接关系着飞行员的生命安全，对开关的性能的测量十分必要！

Based on the design of measurement circuit and environmental quality of practical situation, the vibration proof and airproof experiment have been carried out separately.

密封实验表明电路板具有很好的耐油污性能，抗振实验表明电路板具有很好的抗振性能，设计的电路板可以在线使用。

The slow-release performance of these films and the factors influence the slow-release performance of films were also studied. The time that algaecide need to release out from film completely was between 20 min and 48 h, indicating all of the drug films had the slow-release property.

此外，本论文以异噻唑啉酮作为除藻剂，甲壳素、壳聚糖、聚乙烯醇等高分子材料作为载体，研究了异噻唑啉酮缓释药膜的制备、缓释性能以及各因素对其缓释性能的影响。

Main contributions and achievements are as follows:A general non-equilibrium rigorous model for RDP is developed in this thesis. Based on the pseudo-homogenous assumption, two main factors reaction and separation are de-coupled, and an RDP model with the same format as that for a traditional distillation process is established. To solve the model with a large number of algebraic equations, modified M-K equations with tri-diagonal matrix form are developed based on the improved Separation Efficiency Functions, which greatly increases the iteration efficiency. This thesis also develops a general reactive distillation dynamic model. Through splitting of the differential variables based on SEFS, large-scaled differential algebraic equations can be solved with the improved Gear's algorithm which makes the dynamic model suitable for the on-line application. A simulation platform for the control loop design and evaluation of RDP by introducing control system equations into the dynamic model is also developed.A lactic acid purification pilot-scale RDP is investigated.

论文对热点问题——反应精馏过程的建模与优化控制相关技术进行了深入的研究，取得了一系列成果：1、建立了反应精馏过程机理模型，基于拟均相假设，将反应和分离过程进行解耦，推导出反应精馏过程的非平衡级稳态模型和动态模型，通过引入推广的分离效率函数，对模型变量进行了合理划分，显著提高了模型求解效率；将动态模型和控制系统方程结合，建立了反应精馏过程控制系统研究的辅助工具。2、全面分析了乳酸提纯反应精馏新工艺试验装置，利用本文建立的过程机理模型，对该试验装置进行了稳态和动态性能分析及水力学核算；设计和分析了单边质量控制方案，比较了间接和直接物料平衡控制两种方案的控制性能。

It i s evaluated that the overland mobility of tanks produced by different countries and during different periods with very simple algebraic operation. The conclusi ons obtained agree with the results verified by other evaluating methods and the actual using situation of tanks in battlefield. Therefore, the method is proved to be valid.

本文采用简单的代数运算对不同国家同一时期坦克陆上机动性能的比较和对同一国家在不同时期坦克机动性能进行效能评定，所得结论与其它方法评定结果和坦克在战场上长期使用的实际情况一致，从而验证了本方法的有效性。

Three alicyclic dianhydrides, 1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2,4,5-cyclopentanetetracarboxylic dianhydride, and 1,2, 4, 5-cydohexane tetracarboxylic dianhydride were polymerized with two aromatic diamines, 1,4-bis (4-amino-2-trifluoromethylphenoxy) benzene (6FAPB, a) and 4, 4'-bis(4-amino-2-trifluoromethyl phenoxy) biphenyl (6FBAB, b) respectively, via a two-step polycondensation procedure to afford two series of fluorinated semi-alicyclic polyimides.

分别将脂环族二酐单体1，2，3，4-环丁烷四酸二酐、1，2，4，5-环戊烷四酸二酐和1，2，4，5-环己烷四酸二酐与芳香族含氟二胺1，4-双（4-胺基-2-三氟甲基苯氧基）苯(6FAPB， a)和4，4'-双（4-胺基-2-三氟甲基苯氧基）联苯(6FBAB， b)反应制备两个系列的含氟半脂环族聚酰亚胺，研究了PI薄膜的热性能和光学性能。

In this paper the uniform designing is used to design the experiments,which the alkyd resins were modified by acrylic polymers.

均匀设计法运用到丙烯酸改性醇酸树脂的合成实验中，可以在较少的实验次数中寻求到比较准确的实验数据，并可以利用实验数据建立各项性能指标与影响因素之间的回归方程，从而为进一步改进树脂性能，提供正确的思

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷