卷绕式铅酸蓄电池区别于普通铅酸蓄电池，它是螺旋型结构，而普通电池一般是平板叠片结构；采用的板栅材料为纯铅或铅锡合金，较柔软，利于卷绕，而普通铅酸电池一般采用Pb－Sb合金或Pb－Ca合金，材质较硬;卷绕电池都是密封阀控式的，普通电池分好几种，有开口式也有封闭式；在性能方面，卷绕式铅酸蓄电池相比普通铅酸电池卷绕电池显得更加优异。根据容量大小可分为：大容量卷绕式铅酸电池、中容量卷绕式铅酸电池和小容量铅酸电池；根据应用车型的不同分为：汽车卷绕式铅酸电池、摩托车卷绕式铅酸电池、混合电动车卷绕式铅酸电池。

关键词：卷绕式铅酸蓄电池；行业概况；发展综述；产业链；供需态势

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2013 年面对复杂多变的国际形势和国内经济运行环境，我国实施了积极的财政政策和稳健的货币政策，国民经济运行总体良好：虽然经济增速有所放缓，但仍保持相对稳健的步伐；工业生产平稳增长；居民消费持续增长；投资增速虽回归常态，但依然保持较快增长；外贸仍保持增长，但增速放缓；货币信贷运行回归常态；城镇新增就业稳步增长。

关键词：家用换气机；发展综述；发展状况；竞争状况

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根据预测，新兴国家电站扩容，经济增长以及用电需求等多个因素将推动全球电力变压器市场，从2013 年的103 亿美元(约合人民币623 亿元)将增至2020 年的197 亿美元(约合人民币1191 亿元)，年复合增长率达到9.6%.中国、印度以及中东电力需求的增长，成为全球电力变压器市场增长预期的主要增长动力。在2013-2020 年期间，全球用电量预计从20,248 太瓦时增至25,415太瓦时。

关键词：变压器；整流器；电感器；市场环境；产业链；市场规模；竞争格局；发展预测

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安防监控设备是应用光纤、同轴电缆或微波在其闭合的环路内传输视频信号，并从摄像到图像显示和记录构成独立完整的系统。它能实时、形象、真实地反映被监控对象，不但极大地延长了人眼的观察距离，而且扩大了人眼的机能，它可以在恶劣的环境下代替人工进行长时间监视，让人能够看到被监视现场的实际发生的一切情况，并通过录像机记录下来。同时报警系统设备对非法入侵进行报警，产生的报警信号输入报警主机，报警主机触发监控系统录像并记录。

关键词：安防监控设备；行业发展；竞争格局；发展预测

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2014 年全球半导体市场仍保持增长势头，在移动互联市场等新兴市场兴起带动处理器芯片、存储器芯片需求增加的推动下，预计2014 年将进一步攀升到3166 亿美元，同比增长4.1%。2013年，北美、日本市场BB值多数保持在1%以上，半导体厂商投资意愿在加强，以及对未来整个行业的预期表示乐观。据WSTS 预测，全球半导体市场将上升4.4 个百分点，达到3043 亿美元，为历年最高。美洲、亚太和欧洲的销量将分别增长10.3％、7.2％和4.3％，而日本销售下滑幅度达14.5％。回顾中国集成电路产业的发展，2013 年，中国集成电路产业继续保持快速增长态势，2014 年我国集成电路产业有望继续保持良好发展势头。

关键词：半导体器件；市场环境；产业链；竞争格局；厂商比较；发展预测

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We introduce a novel method for selecting and controlling smart appliances in physical spaces through a head-worn computing device with near-eye display and wireless communication. We augment a commercial wearable computing device, Google Glass, with a narrow-beam infrared emitter for this purpose. This configuration yields a usable beam width of 2 to 4 feet (60 to 120 cm) for targeting at room scale. We describe a disambiguation technique if infrared targeting hits multiple targets simultaneously. A target acquisition study with 14 participants shows that selection using head orientation with our device outperforms list selection on a wearable device. We also report qualitative data from using our device to control multiple appliances in a smart home scenario.

关键词：红外设备；移动计算；远程控制；智能家居；无线通信

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As efficiency gains are made in building lighting and HVAC systems, plug loads become a greater percentage of building energy use and must be addressed to meet energy goals. HVAC and lighting systems are targeted because they are typically the highest energy end uses, but plug load reduction and control should be considered as part of a comprehensive approach to energy reduction. In a minimally code compliant office building, plug loads typically account for 25of the total electrical load. In an ultra-efficient office building, plug loads are typically one of the last end uses to be considered for energy conservation and, as a result, can account for more than 50of the total electrical load (Lobato et. al, 2011). Plug load efficiency strategies are different than other building efficiency strategies because they involve relatively small loads distributed throughout a building. These loads typically move around in the building when office configuration changes are made, so these loads may shift between circuits over time. Commercially available advanced power strips (APS) can be used to mitigate wasted energy from most plug loads and, in many cases, can have a return-on-investment of approximately two years or less. In recent technology demonstrations, data from occupancy sensors tracking plug load reductions with occupancy have shown energy-saving potential for both business and nonbusiness hours. Also, dense panel-level sub-metering has been used to quantify whole-building receptacle circuit energy consumption, energy savings, and return on investment for the whole building. Receptacle-level metering has been used to show the plug load energy consumption of individual devices and workstations. This paper documents the process (and results) of applying advanced power strips with various control approaches.

关键词：能源消耗；负载管理；电子电路；节约能源；提高能效

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According to the analysis of mathematical model for permanent magnet synchronous motor (PMSM) in the d-q coordinate system,space vector width modulation(SVPWM) technology is introduced to the design of PMSM control system.The paper builds dual-closed loop control system of SVPWM for PMSM,and the outer loop is speed loop,the inner loop is current loop,at the same time,the paper builds the simulation models and makes simulation in Matlab/Simulink.The simulation results show that the SVPWM technology applied to the control system of PMSM is very successful,and the dynamic performance of control system is very good.So the application of SVPWM technology in PMSM provides a new thoughtful way for PMSM control system designing and debugging in actual application.

关键词：永磁同步电机;直接转矩控制（DTC）;磁滞控制器;仿真

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According to the analysis of mathematical model for permanent magnet synchronous motor (PMSM) in the d-q coordinate system,space vector width modulation(SVPWM) technology is introduced to the design of PMSM control system.The paper builds dual-closed loop control system of SVPWM for PMSM,and the outer loop is speed loop,the inner loop is current loop,at the same time,the paper builds the simulation models and makes simulation in Matlab/Simulink.The simulation results show that the SVPWM technology applied to the control system of PMSM is very successful,and the dynamic performance of control system is very good.So the application of SVPWM technology in PMSM provides a new thoughtful way for PMSM control system designing and debugging in actual application.

关键词：永久磁铁同步电动机;空间矢量时脉宽度调制;矢量合成

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Smart sensor is assigned sensors intelligent processing functions to share the central processor central processing functions.Intelligent processor response to the digital signal of the ADC output for intelligent processing,comprising:a self-compensating function,since the calculation and processing functions as well as self-learning and adaptive function.The paper presents using RFID technology and Smart Sensor to build Smart home system.Smart home controller using RFID and smart sensor technology constitute a unified smart home system many relatively independent of household appliances in the home.

关键词：智能传感器；RFID；智能家居

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