Examples of using Hfos in English and their translations into Russian
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Official
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Colloquial
For CFCs, HCFCs,HFCs, HFOs except low pressure refrigerants.
It was therefore difficult to predict what the final price of HFOs might be.
Unsaturated HCFCs and HFCs(HFOs) had been introduced as new candidates.
Lists 20 HFCs as a new Annex F,including two substances sometimes referred to as HFOs.
The emergence of unsaturated HFCs(HFOs) was also offering some additional options, often with superior thermal performance.
We have lived through the replacement of CFCs by HCFCs, then HCFCs by HFCs and now it is the turn of HFCs to be replaced by HFOs and other technologies.
These unsaturated HFCs(or HFOs) have very high operating costs at present, and their global availability is not clear at this time.
Lists 20 specified HFCs as a new Annex F to the Protocol including two substances sometimes referred to as HFOs.
Those included relatively low-GWP HFCs and HFOs, which could be used and recycled, for example through refrigerant management practices, over a relatively long period of time.
Two industry dynamics of interest are second-generation migration fromHFC-134a to HC-600a and preliminary discussions on using unsaturated HFCs(sometimes referred to as HFOs) to displace HFC-134a usage.
With respect to non-Article 5 parties,it was noted that unsaturated HFCs/HCFCs(HFOs) were showing improved thermal efficiency when compared with other, competing alternatives.
The proposals in the amendment for control measures adjusted by global warming potential would facilitate a transition from high-GWP substances through low-GWP alternatives,such as hydrofluoroolefins HFOs.
Recently it has been announced that unsaturated fluorochemical HFOs, with zero ozone-depletion potential, and hydrochlorofluoroolefins(HCFOs), with negligible ozone-depletion potential, are being developed.
The proposal submitted by the Federated States of Micronesia would add a new article 2J to the Protocol that would require the production andconsumption of HFCs and two low-GWP HFCs(also called hydrofluoroolefins(HFOs)) to be controlled.
In particular, unsaturated HFCs(HFOs) are likely to have a strong role to play, with other emerging blowing agents, such as methyl formate, meeting some of the more specific niche applications.
The proposal would add a new Article 2J to the Protocol that would require the control of the production and consumption of hydrofluorocarbons(HFCs) andtwo low global-warming potential hydrofluorocarbons also called hydrofluoroolefins HFOs.
Foam Applications Unsaturated HFCs(HFOs) are likely to be available commercially earlier than originally expected(2013- 2015) and in preliminary evaluations are showing better thermal performance than saturated HFCs.
The proposal submitted by the Federated States of Micronesia is similar to the proposal submitted by that party in 2010 and 2011, in that it would add a new article 2J to the Protocol that would require the control of the production and consumption of HFCs,including two HFOs.
The term"olefin" was often used, for example,in hydrofluoroolefins(HFOs), but the task force had avoided it as it was not a standard term under the nomenclature of the International Union of Pure and Applied Chemistry.
He also said that hydrocarbons are currently the primary substitute, but there is pressure to further optimise thisoption by blending and that unsaturated HCFCs and HFCs(HFOs) are showing better thermal performance than saturated HFCs in continuing evaluations.
Short-lived anthropogenic halocarbons(e.g., unsaturated HFCs,known as HFOs or hydrofluorolefines) and their degradation products(e.g. trifluoroacetic acid), which already are used or have a potential to be used as substitutes for long-lived HFCs.
The proposal of Canada, Mexico and the United States is similar to the proposal submitted by those parties to the Twenty-Second and Twenty-Third Meeting of the Parties in that it aims to list 21 specific HFCs,including two hydrofluoroolefins(HFOs), in a new annex F to the Protocol.
Recent evaluations of unsaturated HFCs and HCFCs,commercially known as hydrofluoroolefins(HFOs), used in a line of commercial household refrigerators and freezers, showed an improved thermal performance compared to saturated HFCs.
He explained that a number of non-HFC alternatives had been considered for micro, small and mediumsized enterprises, including CO2 water blowing for some applications and oxygenated hydrocarbons in methylformate and methanol, butthat micro operations were not expected to have access to low-GWP alternatives such as hydrofluoroolefins(HFOs) immediately and that there were cost implications.
Additional Chemicals in Annex F: The proposal includes two substances,often referred to as HFOs, to the list of controlled substances in Annex F as these substances are related to HFCs and are often used as replacements for HCFCs and HFCs.
The proposed gradual phase-down would address those challenges, as it recognized that there were already some viable low global-warming-potential alternatives available,such as hydrofluoroolefins(HFOs) and other fluorinated and non-fluorinated substances, that could help to promote energy efficiency.
Regarding uncertainty about the price of HFOs, he said that while the Panel expected HFOs to continue to command a premium, prices could fall depending on supply and demand agenda and the availability of competing alternatives.
