Home | 联系人 | 地图 | Glossary | 网页制作者 | 查找  | 

Glossary - H

Hedging

 

Risk management tool to limit risks in full in or part, or to entirely eliminate risks accruing from fluctuations in exchange rates, interest rates or prices.

HGB

 

German Commercial Code.

Hybrid drive

 

Combination of different drives for power transmission, for instance in combustion engines or batteries.

Hydrogen

 

Main constituent of water and hydrocarbons. On an industrial scale, hydrogen is extracted from natural gas, or obtained by coal gasification or electrolysis. It is considered to have key potential as a fuel.

Hydrogenation catalyst

 

Catalyst that adds hydrogen to organic compounds. Hydrogenation catalysts are used throughout the organic-chemical industry and in the manufacture of fuel.

Hydrotalcite

 

Synthetic aluminium-magnesium hydroxycarbonate. Hydrotalcite acts as a co-stabilizer in pvc and polyolefins, thereby replacing environmentally harmful, lead-based stabilizers.

Hydrothermal process

 

Process to synthesize minerals and chemical compounds by causing high-temperature, aqueous solutions to crystallize. This hydrothermal process is used specifically to produce high-quality crystals.