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First, we adopt MEMS technology to fabricate micro venturis with different widths of 150 and 200 um respectively and utilize FLUENT software to analyze the flow fields. Air was set as the working fluid and the air mass flow rate of inlet is changed to obtain the pressure drop between inlet and outlet. When a flow passes through the throat, the backflow results in the symmetric separations occur and grow with the increase of mass flow rate.

在微文氏管的研究部分，首先利用微机电制程技术制造出两种不同尺寸的微文氏管，宽度分别为150及200微米，开口角度各为45°，总长则为10 mm，再以空气作为工作流体，利用不同质量流率来量测微文氏管进出口的压力差并配合FLUENT软体分析观察其流场分布的情况。

The use of rare earth vanadates as supports for active gold catalysts opens up new routes in the research work for high performance catalysts. Bismuth vanadate micro/nanocrystals with different morphologies were synthesized by surfactant assisted hydrothermal/solvothermal methods.

建立了表面活性剂辅助的水热及溶剂热合成方法，通过选用合适的表面活性剂及控制单体浓度，获得了一系列不同晶形及形貌的BiVO4微/纳米晶，研究了晶体结构与生长行为的相关性。

Researching two key technic to uprating and refurbishing of the Hydropower Station.(1)The optimizely design to the runner of hydraulic turbine;(2)The design of the micro-computer field excitation device.

本文结合安徽省蚌埠闸水电站的具体情况，研究和探讨了中小型水电站老机组技改增容的关键技术，设计出技改增容的总体方案。

Six rule sets have been established, having 202 ules altogether and covering daily monitior knowledge, macro fault diagnosing knowledge ,micro fault diagnosing knowledge and adjusting for its.

该系统共建了六个知识库，相对独立，又便于维护，共 2 0 2条规则，包括对生产过程的日常监测及经常出现的一些宏观故障和微观故障诊断知识及修复调整的办法

A recent Harvard Business School study reported that a majority of the micro-blog's Tweeters (90%) weren't Tweeting.

最近哈佛商学院的研究报告称，大多数的微型博客的高音扬声器（ 90 ％）没有Tweeting 。

20Th century 80's, companies have developed 5 series of aero-engine turboprop and licensing micro Dongan Automotive Engine family of products, forming a combination of military and civilian product mix and a new management system.

进入20世纪80年代，公司相继研制开发了涡桨5系列航空发动机和东安牌微型汽车发动机系列产品，形成了军民结合的产品结构和新型管理体制。

The results showed that six cultivars had significant differences in micro structures of their root tubers and reducing sugar contents.

结果表明，怀地黄不同品种块根的显微结构差异明显，且还原糖含量的差异达到了显著水平。

Furthermore,the Micro-communication Element System is presented for SUNA,which is easy to be transitted from TCP/IP.

本文给出了微通信元系统构架，它是一种易于从TCP/IP过渡的服务元网络体系结构的构架。

Quasi-1D features in carrier transport, recombination and emission, et al., were studied in the V-grooved QWR samples modified by selective ion-implantation and rapidly thermal annealing, by means of Micro-photoluminescence and magneto-transport measurement.

利用显微光致发光光谱研究经选择性离子注入和快速热退火后的单根GaAs／AlGaAs量子线结构体系中的载流子在输运、复合发光等方面的一维特性。

The world's first spherical tourbillon Gyrotourbillon I to 90 ° cross-axis of the tourbillon frame structures, the tabulation process to create the micro-mechanical structure can be a full range of the resistance of gravity on the table shall affect the precision error.

世界上第一个球形陀飞轮Gyrotourbillon I至90 °交叉陀飞轮框架结构轴，制表过程来创建微型机械结构可以是一个严重的阻力在桌子上的各种不影响精度误差。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。