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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To improve the surface quality of flexible formation using plasma arc, its heat-flow density on unit area is controlled by controlling the swinging of the plasma arc with the alternate magnetic field.

为进一步提高等离子体弧柔性成形的表面质量，利用磁场控制弧柱的摆动状态进而控制单位面积上等离子体弧的热流密度，使之达到预期目的。

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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