A medium frequency pulsed starting arc unit, which consistS of a voltage dowble is introduced in this paper, and its working principle and parameter design are also analyzed.

介绍了一种用逆变方式和倍压整流方式构成的中频逆变式引弧器，并对其工作原理及参数设计进行了分析。

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This paper tells you the water content in a GIS, the quantity of arc decomposition in an arc unit and the quantity of absorbent needed for absorbing water content and arc decomposition.

介绍了GIS设备内部水分的含量、灭弧单元电弧分解物的多少，吸收水分和电弧分解物所需吸附剂量的大小。

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Based on the interrupting test results of this break unit with different parameters and structures, the physically designing principles of extinguishing arc fashion in HVDC breaker are introduced.

在不同参数、结构高压直流断路器单元开断试验结果的基础上，提出高压直流断路器灭弧方式的物理设计原则。

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And one of the things that a company like ARC Energy is doing is trying to bring down the unit cost for each of those light bulbs.

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire

During the past 50 years oceans have become "one-third of a pH unit more acid" according to Australia's ARC Centre of Excellence for Coral Reef Studies, (CoECRS).

CNN: All About: Coral Reefs