两对

And experts paid more attentions to integer perception while listening to music.3. It also showed the position effect, that was irregular chords appeared at the third or fifth position, and the swings and the delitescence were quite different. It uncovered the different neural modes at different music perception phases.4. The two components had no significant differences with their swings at the three attention levels. It meant that these two ERP components could be acquired under non-attention condition, and music processing was automatic.

更多伏期更早，表明在时间维度和程度上，专家的整合程度要优于一般被试，专家更加注重对音乐的整体知觉。3通过违例和弦出现位置的不同，如违例和弦分别出现在第三位置和第五位置上的对比研究，发现第五位置上产生的ERAN和N5比第三位置上产生的振幅更大，表明这两种成分受违例位置的影响，揭示了音乐知觉不同阶段认知神经模型的差异。4这两种成分在三种注意水平下没有显著性差异，表明这两种ERP成分在非注意条件下就能够产生，人类的音乐加工是自动的。

First, select four kinds of main risks source from bigly celebrate the main risk in region source, namely the flood, drought, sand-dust weather and petroleum pollution accident, etc. According to the different a request for to habitat, study this 19 kinds of landscapes ecosystem type of the Regional induce for 7 kinds of ecosystems system: Then the marsh of bulrush, lakes and reservoirs , salt alkali wasteland, prairie, island form wood, farmland, town. The difference is proceeded by characteristic according to each type ecosystem to the analysis of four kinds of main risks source, including the certain risk all rate, delimiting the space distribute, analyzing the risk strength to the receptor etc. At proceed the revelation the different from endanger to analyze the inside, this text borrows ecosystem index number that this index sign to reflect primarily habitat the ecosystem meaning of the type of habitat the different from position, with weak an index number to show the destructibility of the habitat, from but compute each ecosystem that is lost by ecosystem system an index number.

首先，从大庆地区主要的风险源中遴选出四种主要的风险源，即洪涝、干旱、沙尘天气和石油污染等；依据不同生物类群对生境的要求，将本研究区域的19种景观生态类型归纳为7种生态系统：即芦苇沼泽、湖泡库渠、盐碱荒地、草甸草原、岛状林、农田、城镇；对四种主要风险源的进行分析，包括确定风险概率，划定空间分布，对风险受体的作用强度分析等；在进行暴露和危害分析中，本文主要借生态指数这一指标来反映不同生境类型的生态意义和地位，以脆弱度指数来体现不同生境的易损性，从而计算出各受体生态系统的生态损失度指数；由于各主要风险物质对风险受体的作用强度是不同的，对形成区域性生态风险的作用大小也有差异，因此本文采用层次分析法对主要生态风险物质进行综合评价，并把判断矩阵排序权值的合理计算问题归为—非线性化问题，并提出用基于遗传算法(GA[5])的层次分析模型进行权重分析；进行风险表征，即综合前面两个阶段的信息，对环境中风险的性质和强度以及风险评价过程中不确定性问题进行分析与描述，并划分出五级生态风险区；最后，根据划分的五级生态风险区的特征，分别提出针对各生态风险区的生态风险管理对策。

Based on the review on the gas-particle two-phase models, the merits and drawbacks of various models were compared and analyzed. According to the characteristics of swirl-flow melting furnace, suitable gas turbulence model, gas-particle two-phase flow model and discrete phase model were chosen.

本文在总结气固两相流计算模型的基础上，结合旋风熔融炉内气固两相流的特点，分析对比了各类模型的优缺点，选择了适合于本文所研究的旋风熔融炉的气相湍流模型、气固两相流模型以及颗粒相的运动轨迹模型，并对旋风熔融炉内颗粒的受力进行了分析。

The main factors include the physical property of the dispersed phase and continue phase, the selection of coalescence media.

在对非均相液—液两相的分离的重要性进行阐述基础之上，分析了影响液—液两相分离的因素，主要包括液—液两相的物性、聚结材料的选择等方面。

These two things are what we will study in sectionⅢ. We call them GS and PS. In this section we will study the impact of the two and the relationship between them. Of course, there are some other ways to observe the problem. One of them is to consider the period and the distribution of eigenspace. These are what we will study in sectionⅡ.

这两方面也就是本文中第三章所讲的生成序列和扰动序列，这一章中我们主要研究了这两个因素对分数傅立叶变换算子的影响及它们之间的关系；当然还有另一种看问题的角度就是从算子的周期性和特征子空间的分布的角度，这就是第二章中所介绍的内容，在这里我们给出了两个三周期的分数傅立叶变换算子并比较了其特征性质。

2 Shots of impact experiments are conducted to measure the Hugoniot curve of enstatite, together with the experimental data of McQueen and Watt, two branches are found on the Hugoniot line of enstatite′s high pressure phase(above 50GPa), they provide information of enstatite to different phases-the higher density phase and the lower density phase.

对顽火辉石样品做了两发Hugoniot数据的补充测量。把这两发数据与过去McQueen等人和Watt等人发表的实验数据综合在一起看出，顽火辉石的高压相(在高于50GPa区)在Hugoniot线上出现两个分支，一支对应于较高密度的相态，一支对应于较低密度的相态。

This dissertation studies Beijing Nongmingong's Mandarin attitude from five points, including their evaluation of Mandarin, psychological receptive degree of using Mandarin, degree of difficulty in learning Mandarin, expectative degree for their Mandarin competence, and expectative degree for their children's leaning of Mandarin. This part also studies Beijing Nongmingong's dialect attitude from two points: their evaluation of dialect and expectative degree of preserving their children's dialect.

从在京农民工"对普通话的主观评价、说普通话的心理接受程度、学习普通话的难易感受、对自身普通话水平的期望程度和对子女会说普通话的期望程度"五个角度，展示了在京农民工对普通话的态度；从在京农民工"对家乡话的评价、对子女保持家乡话的期望程度"两个角度，展示了在京农民工对家乡话的态度。

On the basis of the kinetic equation of substrate reaction in the presence of urea or guanidine hydrochloride, all microscopic kinetic constants for the free enzyme and enzyme-substrate binary and ternary complexes have been determined. The results of the present studies indicate that:①In the presence of urea or guanidine hydrochloride, enzyme-substrate complexes lose their activity less rapidly than the free enzyme. Therefore, both substrates, NADPH and 7, 8-dihydrofolate, protect dihydrofolate reductase against inactivation.②The denaturation of dihydrofolate reductase by urea follows single-phase kinetics, and changes in enzyme activity and tertiary structure proceed simultaneously in the unfolding process, so it may be an"all or none"process.③The GdnHCl-induced unfolding of the dihydrofolate shows a biphasic transition, while the change in the enzyme activity is a single exponential process. The rate constant of inactivation is consistent with that of the fast conformational change. Therefore, the kinetic intermediate of protein unfolding should be a partially folded and inactive form.

我们根据在脲或盐酸胍存在下的底物反应动力学方程求得游离酶和酶底物二元、三元复合物的微观动力学常数，结果表明：①酶-底物二元、三元复合物的失活速度明显慢于游离酶，说明两个底物二氢叶酸和NADPH对酶的失活都具有一定程度的保护作用；②在脲作用下，酶的失活和构象变化均为单指数项过程，而且酶的活力丧失和三级结构变化是同时发生的，说明二氢叶酸还原酶的脲变性可能是一个"全或无"的两态过程；③在盐酸胍作用下，酶的构象变化为两相过程，而失活则是单指数项过程，酶分子构象变化的快相速度常数与失活速度常数基本一致，因此我们认为二氢叶酸还原酶的盐酸胍变性过程中存在一个没有活力、但仍具备一定空间结构的变性中间体。

On the case of 0.1 to 0.7MPa of unit pressure, The two methods of LVDT and extensimeter are used on two kinds of basic asphalt mixture AC-16I and AC-20I for testing their compression module, asphalt mixture compression module is tested in the different temperature, the results indicated that extensimeter is better than LVDT because of its accuracy.

对常见的两种沥青混合料AC-16I、AC-20I在0.1~0.7MPa下，用"顶面法"与"侧面法"两种方法进行测试，顶面法中又采用了机架位移和LVDT两种方法。

After an index of logistics system being built and with the Data Envelopment Analysis algorithm and the Analytical Hierarchical Process algorithm being integrated, a two stage hybrid evaluating model is suggested in which no weight needs to be assigned factitiously.

为了减少人为因素的主观影响，提高评价的客观性，在构建物流系统评价指标体系的基础上，将DEA和 AHP算法融合，建立两阶段评估模型。第一阶段计算两两实体构成的输入输出系统有效系数；第二阶段对这些有效系数构成的 AHP判断矩阵，计算各个实体的全排序值。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。