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The review also pays close attention to more recent efforts: utilization of such devices in pressure-gain combustors, ultra-micro gas turbines, and water refrigeration systems, highlighting possible further efforts on this topic.

本文还特别关注了近期的研究情况，例如波转子在压力增益燃烧器、超微燃气涡轮、水循环冷却系统等领域的应用。

With the increasing of wind turbines, the response of wind turbine is more and more important when the grid voltage dips.

中文摘要：随着风电机组数量的增加，电网故障时风机的动态响应越来越重要。

Access as per turbines, often also with helideck

近入方式与风机相同，经常也配备直升机平台

Through diagnosis and analysis before major repair and inspection during the time of major repair, the causes leading to high exhaust steam pressure and temperature from high-pressure cylinder of said turbines have been found out.

为此，对比机组大修前后的热力性能状况，委托西安热工研究院有限公司苏州分公司于2005年8月16日至8月24日对1号汽轮机组进行了大修前性能诊断试验。

After putting 2×135 MW units of Guodian Suqian Thermal Power Co Ltd into operation, the exhaust steam pressure and temperature from the high-pressure cylinder in operation of the said turbines is more far higher than the designed value.

国电宿迁热电有限公司2×135MW机组N135-13.24/535/535型超高压、一次中间再热、双缸、两排汽、凝汽式汽轮机，自2005年2月和2005年6月分别投产后，额定负荷时高排压力和温度均与设计值偏差较大。

Through treatment in the major repair, the exhaust steam pressure from the high-pressure cylinder has been decreased about 0.13 MPa, the exhaust steam temperature from the high-pressure cylinder being lowered about 14 ℃, substantially enhancing the efficiency of said turbines.

试验结果为：在135MW负荷时，高排压力和温度分别为2.84MPa和338.9℃，比设计值分别高出0.26MPa和21.7℃；实测高中压缸效率分别为76.36%和91.03%，比设计值约低4.7和1.9个百分点，考虑到高、中压缸间轴封

I started by Googling for information on home-built wind turbines. There are a lot of them out there in an amazing variety of designs and complexities. All of them had five things in common though

我开始在Google上搜索关于家用风力发电机的信息，出现了令人惊奇的各式各样的设计和复杂的形式，但是他们中大多数都有以下五种部件

Technical publications of interest to designers of model aircraft, wind turbines, remote piloted vehicles, hydrofoils and others with interests in fluid-dynamics at low Reynolds Number or low speed flight.

技术出版物感兴趣设计者航模、风车、远程试用车水翼和其他利益流体动力学低雷诺数或低速飞行。

Low voltage ride through operation and control of doubly fed induction generator wind turbines .

双馈风力发电系统的低压穿越运行与控制。

Envision Energy is a leading manufacturer of high quality wind turbines based in China and backed by a European investment firm.

Envision能源公司是中国领先的高品质风力涡轮机制造商，该公司由欧洲投资公司注资建成。

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。