大功率的

When wind energy and solar energy are sufficient, wind turbine and photovoltaic arrays can satisfy load demand and at the same time they can feed electrolyzer; when wind energy and solar energy cannot satisfy load demand, the FC system will provide supernumerary electric energy, at the same time the deficient part of load power excessing the maximum power supply ability of FC system can be fed by UC bank in a short-term.

当风能与太阳能充足时，风机与光伏阵列可满足负荷的需要，同时还可向电解池供电；如果不能满足负荷的需要则由燃料电池提供额外的电能，同时由超级电容在短时期内向负荷提供燃料电池最大功率以外的那部分电能。

With the development of cities construction,the undergrounds and light-rails are build more and more fast,so research on HH DC/DC converter,as the auxiliary power for engine,seems more and more important.

二、随着城市建设的发展，地铁、轻轨的建设越来越快，而作为机车的辅助电源—高压大功率DC／DC变换器的研究显得越来越重要。

In addition, for the same power capability, the cascaded converter requires less number of main power components such as main valves and main diodes.In this paper, cascade H-bridge converter with CPS-SPWM technique has been proposed, which is the combination of cascade structure and CPS-SPWM technique.

本文提出了基于CPS-SPWM技术的级联H桥型多电平变流器，它是CPS-SPWM技术与级联H型变流器拓扑结构的结合，同时具备二者的优点，在大功率变流器领域具有很好的应用前景。

A new design scheme, with the sample current circuit by the use of MAX471 and regulate component of P type MOSFET, is presented in this paper. With the use of MAX471 and ultra low on-resistance components P-MOSFET, the new power circuit results in a very low drop-out voltage, and conversion efficiency is very high, presenting a very good application future.

改进了某井下物探仪器的电源电路，采用MAX471进行电流取样，可以显著降低电流取样引起的压降，用P型大功率MOSFET替代原电路中的限流管和电源电压调整管，设计成功一种新型超低压差限流稳压电路，提高了电源效率，取得了很好的实际应用效果。

his paper mainly introduces the research activities conducted in recent years at CIAE in the field of high intensity cyclotrons, and some critical technologies we have as well as the research progress to date. The technologies presented in this paper include high intensity cyclotron physics; production, adjustment and control of high intensity H-ions; advanced magnetic technique, high-power and high-stability RF technology, vacuum and comprehensive cyclotron experimentations, etc.

本文主要介绍了中国原子能科学研究院自2000年以来在强流回旋加速器领域的研究工作进展和到目前为止所掌握的一些强流回旋加速器的关键技术，内容涉及强流回旋加速器物理，强流负氢束的产生、调节、控制与诊断技术，先进磁工艺技术，大功率高稳定度高频技术，真空技术，回旋加速器综合试验技术等。

In this paper, according to the endless rolling technology requirements, some key technologies for movable flash welding machine such as the precision control of the hydraulic systems, the main power circuit design and synchronous control of welding machine walking system are studied further.

本文针对无头轧制技术的要求，对移动式闪光焊机的关键技术—液压系统精确控制，大功率主电路设计以及焊机行走系统的同步控制进行了深入的研究。

As a result, it is difficult to measure the wavefronts of the laser beams by conventional wavefront sensors.

大功率激光二极管线阵特殊的发光区结构使它具有不理想的光学特性，特别是其快轴方向高达40°的大发散角，使得传统的波前探测器很难对其进行波前探测。

Finally, the fan-cooling system of the strong power transmitting tube of a radar system is analyzed thoroughly with the theory, methods and prototype that mentioned in front.

论文最后，对某雷达系统的&大功率发射管风冷系统&进行了工程实例分析，考核和检验了本文建立的理论、提出的方法及实现的原型系统。

To get the biggest power coefficient at various of wind speed, put out the argument of controlling wind turbine according to the wind pressure which act on the wind wheel swept area. Design and make a wind turbine which can adjust pitch angle of oar leaves through various of wind speed, and make experiment of characteristic.

1引盲 传统的风力机优化设计方法是以桨叶各截面在设计风速处具有最大的功率系数为目标，设计是针对事先确定的一个设计风速进行的，风力机只能在设计风速点处获得最大功率系数。

The RDX features Acura's first-ever turbocharged engine, a five-speed automatic transmission with sequential manual shift mode and wheel-mounted paddles, and the company's patented Super Handling All-Wheel Drive system, which distributes torque between the front and rear axles, and also between the left and right wheels. Using a variable flow turbocharger, the 2.3-litre four-cylinder engine delivers 240 hp while achieving an estimated city/highway fuel economy of 12.4 and 9.8 L/100km..

RDX配备了讴歌的第一台涡轮增压引擎，5速自动变速器带有手动换档和方向盘拨杆式换档模式以及拥有本田专利的超级操控全轮驱动系统系统，它可以分配前后和左右轮的扭矩，利用一个可变气流涡轮增压器，这台2.3升四缸引擎的最大功率达到240马力，而城市/高速路油耗为12.4/9.8升/百公里。

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。