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ABSTRACT: A Rockwell PowerFlex7000 Variable Frequency Drive is used in JiuZHou Electric medium voltage drive test bay as the converter. Because of it belong to the current source drive, it has the function of the four quadrant, it can achieve the energy feedbackmake the motor brake,also has the advanced vector control technology, so it can achieve all kinds of load test, there are no other drives can replace it in simulate motor load. PowerFlex7000 drive has ability to achieve the full load test before the drive leave factory.

摘 要：罗克韦尔PowerFlex7000变频器在九洲中压变频实验站测试系统中作为变流逆变器使用，由于本身属于电流源型变频器，具有四象限运行功能，能够实现能量的回馈和对电机的制动，先进的矢量控制技术，可以实现各种复杂多变的负载特性，在模拟电机负载方面起到了其他变频器无可替代的作用，实现了变频器出厂之前的满负荷测试。

The heat preservation band pot take has certain pressure vapor as a heat source, has the heating area to be big, the thermal efficiency is high, the heating is even, the fluid material ebullition time is short, the heating temperature easy to control and so on and the inner layer pot body uses the acidproof heat-resisting Austria stainless steel manufacture especially, has the pressure gauge and the safety valve, the outlook is artistic, the installment is easy, ease of operation, safe reliable.

保温夹层锅以有一定的压力的蒸气为热源，具有受热面积大，热效率高、加热均匀、液料沸腾时间短、加热温度容易控制等特并且内层锅体采用耐酸耐热的奥氏型不锈钢制造，配有压力表和安全阀，外型美观、安装容易、操作方便、安全可靠。

Based on the theory of ECCE and the application technology, the dissertation has made a through survey study, choosing the Lijiang scenic areas as a case study and has met with fruitful success. To some extent, the study has filled the gap in this field.

本文基于对生态旅游环境承载力理论和应用技术进行较深入的研究的基础上，选择了漓江风景名胜区为实证研究对象，最终取得了一定的研究成果，在一定程度上弥补了这一领域的研究空白。

Being the technological pillar of Guangdong Province in the field of edile fungi. Guangdong Institute of Microbiology has been carrying out lots of researches since 1960's.Beginning from 2000,the key demonstratied project of mushroom industrialization,as a100 projects for science-technology innovation of Guangdong Provience has been under taking by the institute.At present,several industrialized bases and integrated operation pattern of trading company,production base and peasant families has been set up.

项目简介：广东省微生物研究所自上世纪60年代起开展食用菌研究，是广东省食用菌产业的技术支柱。2000年起承担了广东省科技创新百项工程食用菌产业化生产示范项目任务，在清新，丰顺等地指导建立食用菌工厂化基地和公司+基地+农户的经营模式，成功建立了大规模食用菌机械化，规范化生产技术和产业化经营模式，既可工厂化一条龙栽培多种菇类，又可采用基地集中生产菌筒，大批农户分散出菇管理的方式。

The system which not only has the ability to organize, store and manage the data effectively, but also has the ability to analysis the data and appreciate the effectualness of testing result intelligently has been applied in a testing plant of weaponry industry suc...

这个系统已在某兵器试验场实现，证明其能有效地组织、存贮、管理数据，且能用专家知识对数据进行智能分析，对试验结果的有效性进行鉴别。这个系统在开发中还成功地解决了专家系统与外部数据库的接口和西文Turbo Prolog的汉化问题。

As he neared the record, however, that has changed, and he has spoken effusively about the great players that he has coached.

然而，当他的执教记录越来越能打破历史时，他改变了。他对于自己的球员开始毫不掩饰地称赞。

CASS has gotten a very outstanding turnover in Surveying and Mapping software market, which has been used in Surveying, Land, Programming, Water Conservancy, Electronic Power, Traffic and so on widely, has been sold out more than 10,000 sets registration version and covered more than 70% market as well as caused large of basis data in CASS format till now.

其中CASS软件在测绘成图软件市场独占鳌头，在测绘、国土、规划、水利、电力、交通等行业得到广泛的应用，迄今已销售10，000多套注册版，市场占有率达到70％以上，在全国范围内生产了数量巨大的CASS格式基础数据。

Guanxian weaving factory produced Lianhua Lianhua license folder of emery cloth, since 2000 the market has been operating in good faith concept, stable and reliable quality, excellent after-sales service, as well as excellent cost performance has won numerous customers, the market has been widely recognized.

冠县联华织布厂所产的联华牌夹砂布，自2000年开始投放市场以来，以诚信的经营理念、稳定可靠的质量，优质的售后服务，以及极好的性能价格比赢得了众多客户，得到了广泛的市场认可。

It has been found that the nutritional value of soybean capsules is the same as that of the corn when feeding cows. In recent years, conclusion is drawn which it has determinate effect that appropriate soybean capsule are added into the diet of enceinte sows, and it has no negative effect substitution of soybean husks for wheaten bran in feeding enceinte sows. Nevertheless, no report on the use of soybean husks in feeding growth-finishing pigs. It slows down the use of soybean husks in animal breeding.

据报道大豆皮用于奶牛其营养价值等同于玉米，近年来，人们为了使大豆皮更广泛的应用于畜牧生产，在怀孕母猪日粮中适当添加饲喂，得出了有效的结论，并表明用它来替代麸皮饲喂怀孕母猪对其生产无任何负面影响，但是迄今为止，大豆皮是否能用于饲喂生长肥育猪还未见报道，这就妨碍了大豆皮在畜牧生产中的广泛应用。

In the present paper,the goal applies in the development in the mixed style battery cocurrent of motor driver design in the electrically operated bicycle,the use lead-acid battery and the LiFePO4 battery takes the main actuation power to originate,the iron phosphate lithium battery has the life to be long,the electric discharge power is big and the transformation power suits the high electric current product good the characteristic;The lead-acid battery is in a market condition the quite mature battery product has the high security in the thermostable characteristic,and designs a driving circuit to actuate the cocurrent to have brushes the motor to lead the bicycle advance,comes in the enfilade non-ascent road section use LiFePO4 battery as the actuation electric power to originate,in had the ascent road section use lead-acid battery to come as the actuation electric power to originate, has promoted bicycle's endurance and reduces accumulator cell's energy loss.

本论文中，目的在研制应用於混合式电池於电动自行车之直流马达驱动器设计，使用铅酸电池与磷酸铁锂电池来作为主要驱动动力来源，磷酸铁锂电池具有寿命长、放电功率大及转换功率佳适合高电流产品的特点；铅酸电池为一市面上相当成熟的电池产品具有高度的安全性於耐高温的特性，并设计一驱动电路来驱动直流有刷马达来带动自行车前进，於直路无斜度路段使用磷酸铁锂电池来作为驱动电力来源，於有斜度路段使用铅酸电池来作为驱动电力来源，提升了自行车的续航力和降低蓄电池的能量损耗。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。