HW

Heavy Weather

Category:Abbreviations

A renewable energy system that includes two different types of renewable energy technologies that produce the same type of energy; for e.g., a wind turbine and a solar photovoltaic array combined to meet a power demand.

Category:Energy Terms

Chemicals containing carbon and hydrogen.

Category:Sea Words

A power plant that produces electricity by the force of water falling through a hydro turbine that spins a generator.

Category:Energy Terms

A chemical element that can be used as a fuel since it has a very high energy content.

Category:Energy Terms

A colorless and odorless gaseous element. The lightest and apparently the most abundant chemical element in the universe. However, it is found only in trace quantities in the observable portion of our atmosphere, only about 0.00005 percent by volume of dr ...

Category:Meteorology

A colorless and odorless gaseous element. The lightest and apparently the most abundant chemical element in the universe. However, it is found only in trace quantities in the observable portion of our atmosphere, only about 0.00005 percent by volume of dr ...

Category:Meteorology

The formation of blisters on or below a metal surface from excessive internal hydrogen pressure; Formation of blister-like bulges on a ductile metal surface caused by internal hydrogen pressures. Hydrogen may beformed during cleaning, plating, corrosion, ...

Chemical species slated to replace CFCs in the near future.

Category:Sea Words

A general term for the emhrittlement, cracking, blistering. and hydride formation that can occur when hydrogen is present in some metals.

Deep internal cracks caused by hydrogen.

A process resulting in adecrease of the toughness or ductility of a metal due to the presence of atomic hydrogen. Hydrogen embrittlement has been recognized classically as being of two types. The first known as internal hydrogen embrittlement, occurs when ...

Overvoltage associated with the liberation of hydrogen gas.

See hydrogen embrittlement.

See hydrogenembriltlement.

Same as hydrogen embrittlement.

Amorphous silicon with a small amount of incorporated hydrogen. The hydrogen neutralizes dangling bonds in the amorphous silicon, allowing charge carriers to flow more freely.

Category:Energy Terms

A graphical representation of stage or discharge at a point on a stream as a function of time.

Category:Meteorology

A graphical representation of stage or discharge at a point on a stream as a function of time.

Category:Meteorology