hydrochlorofluorocarbon造句
例句与造句
- It belongs to the hydrochlorofluorocarbon family ( HCFC ).
- Subsequent accords banned the production of the interim substitute, hydrochlorofluorocarbons, after 2020.
- It is a hydrochlorofluorocarbon ( HCFC ).
- Later models use another refrigerant, R-134a, a less harmful hydrochlorofluorocarbon that is not banned.
- Heating and cooling systems operate on non-hydrochlorofluorocarbon refrigerants to comply with the Montreal Protocol on preserving atmospheric ozone.
- It's difficult to find hydrochlorofluorocarbon in a sentence. 用hydrochlorofluorocarbon造句挺难的
- They are alternatives to hydrofluorocarbon ( HFC ), hydrochlorofluorocarbon ( HCFC ) and chlorofluorocarbon ( CFC ) based refrigerants.
- HFCs were developed in the 1990s to substitute substances such as chlorofluorocarbons ( CFCs ) and hydrochlorofluorocarbons ( HCFCs ).
- Compounds containing C H bonds ( such as hydrochlorofluorocarbons, or HCFCs ) have been designed to replace CFCs in certain applications.
- The Commission also hoped to accelerate the EU plan to phase out emissions of hydrochlorofluorocarbons in the 15-nation union by 2015.
- However, the hydrochlorofluorocarbons, or HCFCs, and hydrofluorocarbons, or HFCs, are now thought to contribute to anthropogenic global warming.
- To some extent, CFCs were being replaced by the less damaging hydrochlorofluorocarbons ( HCFCs ), although concerns remain regarding HCFCs also.
- The hydrochlorofluorocarbons ( HCFCs ) are less stable in the lower atmosphere, enabling them to break down before reaching the ozone layer.
- Hydrochlorofluorocarbons ( HCFCs ) and hydrofluorocarbons ( HFCs ) now serve as replacements for CFC refrigerants; few were commercially manufactured before 1990.
- The interim replacements for CFCs are hydrochlorofluorocarbons ( HCFCs ), which deplete stratospheric ozone, but to a much lesser extent than CFCs.
- Fluorine continued to play a role in refrigeration though : hydrochlorofluorocarbons ( HCFCs ) and hydrofluorocarbons ( HFCs ) were developed as replacement refrigerants.
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