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Those Offerors determined to be pre-qualified in accordance with this notice will be issued a formal Request for Proposal for Phase 1 and Phase 2 of the project and invited to submit proposed pricing in Part II.

预审通过的投标单位请携带本通知前来领取正式的招标文件。该招标文件将包括项目一期和二期的具体内容。

The spatial narrative structures in Calvino's fictions can be divided into three types :"the building of two worlds "is the main way in the earlier writing phase of Neorealist and Fairy tale .Dimidiation and mergence is the art feature .It signs that the sense of the world and the creative ideas of the writer start to form;"Synchrony and Juxtaposition "and "Crystal pattern "are the prominent characteristics during his Postmodernism writings phase. The writer takes the complex and diverse form of space art, such as segments、juxtaposition、defamiliarization、crystal's combination and derivatives, ect. to represent the essence of the world, and to exprsee the writer's confusion and efforts to understand and build a sense of it.

卡尔维诺小说的空间叙事结构具有阶段性，可以分为三种不同的类型：&两个世界的构建&是早期新现实主义和童话寓言创作阶段的主要方法，二分和弥合是其艺术特点，标志作家世界感和创作观念开始形成；&共时并置&和&晶体模式&则是后现代主义小说创作时期的突出特征，作家以片断、并置、陌生化、晶体组合衍生等复杂多样的空间化艺术形式来表现世界的本质以及自身理解世界、构建意义的困惑和努力。

The effect of buoyancy is considered in the momentum equation of the CO transport model. The 3-D dust concentration field in the diversion tunnel with 50m long is simulated using the 3-D quasi-single phase models and a 3-D two phase flow model.

在粉尘扩散模型的动量源项中考虑了相间曳力、升力和虚拟质量力的作用，在CO运移模型的动量方程中考虑了浮力的影响。

The temperature of flue gas out of air preheater in boiler is normally about 120～180℃, the flue gas enter the absorb tower from the bottom via pre-deduster and is accelerated by venturi tube at the bottom of absorb tower, then is taken to circulating fluid bed. The materials are in the circulating fluid bed, due to the effect of flow, the gas-phase and solid-phase generate fierce turbulence and combination and are fully contacted, then form polymers constantly during the ascending and return downward, while the polymers are constantly disassembled during fierce turbulence and elevated by airflow, which makes the slip velocity between gas and solid reach the tenfold times of single slip velocity.

首先从锅炉的空气预热器出来的烟气温度一般为120～180℃左右，通过预除尘器后从底部进入吸收塔，然后烟气通过吸收塔底部的文丘里管的加速，进入循环流化床，物料在循环流化床里，气固两相由于气流的作用，产生激烈的湍动与混合，充分接触，在上升的过程中，不断形成聚团物向下返回，而聚团物在激烈湍动中又不断解体重新被气流提升，使得气固间的滑移速度高达单颗粒滑移速度的数十倍。

In the last new years , as the demands of wireless communication system grows rapidly , the bands of microwave frequency had been saturated with various communication applications . To achieve wider spectrum for high-speed and high-capacity transmission , bands of millimeter-wave frequency are the solution of this problem . The advantage of MMW wireless communication systems is wider bandwidth comparing with microwave communication systems . To utilize the spectrum efficiently , many methods of complexly digital modulation is proposed . The more complex modulation , the higher linearity is required , and more various phase of signals are required to accomplish process of modulation . Therefore high-linearity and quadrature-phase modulator and demodulator are the emphasis of this thesis . For high level of integration , high performance and low cost , this chip is fabricated by the complementary oxide semi-conductor 0.13um process . A compact size of direct down-conversion and direct up conversion circuits will be presented in this thesis .

近年来随著无线通讯产业的蓬勃发展，微波频带已经趋近於饱和，为了追求更宽的频谱来达到更快传输速率及高资料容量的传输，宽频的毫米波频段提供了解决此问题的途径，毫米波无线通讯系统提供了相对於微波通讯系统宽频的优点，且为了更有效的使用频谱，各种不同且复杂的数位调变方式及方法被发表出来，越复杂的调变方式其所需的线性度越高，且需要更多不同的相位讯号来完成调变的过程，因此高线性度及四相位的调变及解调器将是此篇论文的研究重点，为了达到高整合性，高效能，及低成本的电路设计，我门利用互补式金氧半导体制程来完成此电路设计，因此一小面积的直接降频(Direct down-conversion)及直接升频(direct up-conversion)电路将在文中介绍。

To complete the DDS system design, hasdesigned a frequency and the phase may control has the sine and thecosine output direct numeral frequency synthesizer, was allowedto control and to observe the profile through the downloading boardand the oscilloscope, completed in the enhancement request hascontrolled the frequency and the phase through the downloading boardon pressed key, as well as many kinds of profiles, includingsquare-wave, saw-tooth wave, triangle wave and cosine wave choiceoutput, In addition on digital tube dynamic demonstration productionprofile frequency, and produces the tbl document from the simulationprofile, simultaneously draws the profile using the matlab higherorder language.

本实验基于直接数字频率合成计的基本原理，充分利用ALtera公司的FPGA芯片FLEX10在软件MaxplusⅡ和硬件LT—IV实验箱的平台上完成了DDS系统的设计，设计了一个频率和相位均可控制的具有正弦和余弦输出的直接数字频率合成器，通过下载板和示波器可以控制和观察波形，在提高要求中完成了通过下载板上的按键来控制频率和相位，以及多种波形，包括方波、锯齿波、三角波和余弦波的选择输出，此外在数码管上动态显示生成的波形频率，并且从仿真波形中生成tbl文件，同时利用matlab高级语言画出波形。

First of all, people in charge of the event described in detail the activities of the major challenges of the specific process: the first phase, March 5 -4 5, pre-schools; the second phase, April 6 -4 13, the National Award ; the third stage, April 21 -4, 22, the National Finals and awards ceremony.

首先，活动负责人详细介绍了本次大挑战活动的具体过程：第一阶段，3月5日—4月5日，校内预选；第二阶段，4月6日—4月13日，全国评选；第三阶段，4月21日—4月22日，全国决赛与颁奖典礼。

However, the results of the previous works about the first-order phase transition are confused and even contradict each other.In this paper, the properties of the phase transition in the transverse spin-2 Ising model with different single-ion anisotropies are studied employing mean-field theory and correlated effective-field theory.

目前，研究最活跃的是所谓的Blume-Capel模型(简单记为BC模型，是只考虑线性交换作用和单离子各向异性的Ising模型)及其扩展模型(引入横场的BC模型和引入无序的BC模型)，但关于BC模型及其扩展模型的一阶相变的结果还很模糊。

Especially, the analysis methods of electrolysing and seperating, phase analyzing and extracting were used to determine systematically the types, quantities, distributions and shapes of the hard phase particles in the coatings; and the types and quantities of solid solution elements in the coatings were also determined.

利用SEM、TEM、EDAX和XRD等现代材料科学分析仪器，对表面熔融合金涂层和复合涂层的组织结构进行了深入研究，尤其是采用电解分离、相分析及萃取等方法，系统确定了涂层中硬质相类型、数量和形貌以及固溶元素的种类和数量。

The conclusion is: There is a long-term equilibrium relationship between rural surplus labor force transfer and economic development ; In the long run, they have a positive correlation, and the former is the latter's onesided Granger causality ; And in the short run, the first-lag-phase economic variable, as well as the second one, the third one, the fourth one, and the second-lag-phase surplus labor force transfer variable, as well as the fifth one, they all give rise to economic short-term fluctuation.

其结论是：中国农村剩余劳动力转移与经济增长之间存在长期的均衡稳定关系；在长期，中国农村剩余劳动力转移与经济增长是正相关的，并且前者是后者的单向格兰杰成因；在短期，滞后一期、二期、三期和四期的经济总量以及滞后二期和五期的剩余劳动力转移总量均造成了经济的短期波动。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。