Sentences with word «fluorinated»

To find out more about the role of fluorinated gases in warming the atmosphere and their sources, visit the Climate Change Indicators page.

A fourth study looked at EPA tests of two - thirds of the drinking water systems in the United States and found the drinking water of 6 million people has levels of highly fluorinated chemicals that are above the current EPA limits.

This action compares flammability, toxicity, and Global Warming Potential (GWP) of refrigerants to others in use for particular sectors and lists them as «acceptable» substitutes for ozone depleting substances and other fluorinated gases which are hundreds and thousands of times more damaging to the climate than CO2.

The four studies, some done by Harvard researchers and published in leading journals, look at a class of human made substances known as highly fluorinated chemicals.

A new technique helps to identify unreported fluorinated compounds in fire - suppressing foams

The EU Regulation on fluorinated greenhouse gases requires the refrigeration and air conditioning sectors to phase out the use of refrigerant gases with a high global warming potential by 2030.

Sheehan and Robinson were the first to discover fluorinated graphene and are experts in producing samples of the material to specification.

(16) «Greenhouse gas» means carbon dioxide (CO2), methane (CH4), nitrogen trifluoride (NF3), nitrous oxide (N2O), sulfur hexafluoride (SF6), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and other fluorinated greenhouse gases.

Demand for semiconductors and other electronics products manufactured using fluorinated GHGs (e.g., flat panel displays, micro-electro-mechanical systems and photovoltaic cells) is expected to continue to rise given high demand for high - tech products and renewable energy.

GHGs include: CO2, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride - the latter 3 are known as fluorinated greenhouse gases.

As reported in the journal Angewandte Chemie, the diketide could then be used as a monomer for the in vivo production of fluorinated bioplastics.

So Dickson is experimenting with fluorinated silane coatings for the mold; these coatings could help free the pillars when it's time to remove the polymer film.

The research paper is titled «Charge - specific Size - dependent Separation of Water - soluble Organic Molecules by Fluorinated Nanoporous Networks.»

AM: HFCs are man - made fluorinated chemicals that do not deplete the ozone layer but are potent greenhouse gases.

Ultimately, the team discovered that a mix of fluorinated polyurethane and a specialized fluid - repellent molecule called F - POSS would do the job.

Bella et al. show that coating the cells with a water - proof fluorinated polymer that contains pigments to absorb ultraviolet light and re-emit it in the visible range can boost cell efficiency and limit photodegradation.

We show that rapid light — induced free - radical polymerization at ambient temperature produces multifunctional fluorinated photopolymer coatings that confer luminescent and easy - cleaning features on the front side of the devices, while concurrently forming a strongly hydrophobic barrier toward environmental moisture on the back contact side.

Controlled incorporation of fluorinated monomers could allow for targeted variation of the properties of bioplastics.

Other heavily fluorinated gases are very long - lived, almost permanent, in the atmosphere and are still being emitted.

Early Childhood was fluorinated water along with fluoride tablets.

POTTERY MARKS FAMOUS POTTERS, Collecting pottery and china, english pottery marks, starting a collection A special numbering system is used for fluorinated alkanes, prefixed with Freon -, R -, CFC - and HCFC -, where the rightmost value indicates the number of

Because most fluorinated gases have a very long atmospheric lifetime, it will take many years to see a noticeable decline in current concentrations.

Many fluorinated gases are removed from the atmosphere only when they are destroyed by sunlight in the far upper atmosphere.

The Committee is carrying out an inquiry on the UK progress on reducing Fluorinated gas (F - gas) emissions.

The researchers also hope to use the key component fluoromalonyl coenzyme A to produce a broad spectrum of small fluorinated molecules in living cells for pharmaceutical applications.

«Fluorine - containing molecules from cell cultures: Living cells produce fluorinated metabolites and bioplastics.»

Naturally occurring greenhouse gases (not fluorinated gases) are good in naturally occurring amounts; it's when people start contributing excessive amounts of them that greenhouse gases become a problem.

The salt proved to be a versatile precursor for a range of alkylated and fluorinated phosphorus compounds.

An outer skin of fluorinated ethylene propylene (FEP) was applied over the fibre, adding chemical protection from the corrosive electrolyte.

But they haven't yet managed to create a surface that also repels the «wettest» fluids — those with very low surface tension, such as fluorinated solvents.

Given the potential for living systems to produce highly complex chemical compounds, researchers working with Michelle C.Y. Chang at the University of California, Berkeley (USA), aimed to manipulate the biosynthetic machinery in cells to use simple fluorinated building blocks to make new organofluorine target molecules.

They are made of fluorinated hydrocarbons which will not deplete the ozone layer, but they are less efficient at putting out fires.

Shown is a 39 nm sheet, radius 1.52 mm, and water drop in silicone oil floating on fluorinated oil.

They examined the vegetation - caribou - wolf food chain in the area, where the presence of other organic contaminants such as legacy pesticides and fluorinated surfactants suggested that CUPs might be found in the vegetation and animals.

In a separate study, researchers report that all samples drawn from 45 crocodiles at five sites in and around South Africa's Kruger National Park contained detectable levels of four PFAAs, often in different combinations with other of the 15 fluorinated organic compounds tracked.

In order to evaluate the electrostatic effects of the amide carbonyl groups within the peptide bonds on the activity of FC131, a comparative study using unsubstituted and fluorinated alkene isosteres has been attempted.

Abbreviations: ASU, asymmetric unit; CMC, critical micellar concentration; CYMAL - 7, 7 - cyclohexyl -1-heptyl-β-D-maltoside; DDM, dodecyl maltoside; MAD, multi-wavelength anomalous dispersion; MR, molecular replacement; NDSB, non-detergent sulfobetaine; OMF, octyl maltoside fluorinated; pmf, protonmotive force; SeMet, selenomethionine; TDM, tridecyl maltoside; TM, transmembrane; UDM, undecyl maltoside

Unless your raisins, grapes wine are ORGANIC; they are heavily sprayed with fluorinated fungicide & pesticide which concentrates when dried.

«It has 25 years of experience in addressing fluorinated gases and dealing with the industry sectors that are affected.»

In India, five families own five large fluorinated gas companies that for years have sent representatives to the Montreal Protocol to lobby against eliminating HFCs.

Most immediately, EIA calls on the EPA to remove the highest - GWP chemicals HFC - 23, SF6 and per fluorinated compounds (PFCs) with GWPs from 8,000 to approximately 22,000, as soon as 2017 and no later than 2019.

Each conductor is treated to the firm's signature Micro Mono - Filament technology — a process that, Nordost suggests, involves wrapping each conductor with a strand of FEP material before the finished strand is encased in an extruded FEP insulator (FEP means «Fluorinated Ethylene Polypropylene»).

In fluorinated graphene, the fluorine atoms do stick up out of the plane of carbon atoms, but the physical changes in height paled in comparison to the changes of local energy each fluorine atom produced.

Yes, fluorinated GHG emissions from semiconductor manufacturing can be reduced.

Similar highly fluorinated chemicals are contained in flame retardants at airports and on military bases.