Sentences with phrase «by ethylene»

Researchers from several institutions, working at Sandia National Laboratories in Livermore, California, initially found the molecules — known as enols — in a flame that was produced by ethylene, the substance used to make the common plastic polyethylene.
Sources: American Family Physician — Latex Allergy Latex - Fruit Syndrome and Class 2 Food Allergy Class I chitinases, the panallergens responsible for the latex - fruit syndrome, are induced by ethylene treatment and inactivated by heating

Not exact matches

The ethylene gas produced by bananas quickens the ripening process.
Through upgraded equipment and optimized scheduling, DuPont has reduced annual emissions of CO2 by 34 million pounds, saved 7.5 million pounds of ethylene - finished product, and conserved 16 million pounds of non-renewable natural resources.
Quarantine (import): An importer is required to either treat (eg methyl bromide or ethylene oxide), re-export or destroy an imported commercial consignment of goods made from natural forest materials, such as bamboo, which has not been treated off - shore and / or is not accompanied by an acceptable treatment certificate.
It can also be used to keep food fresh by adsorbing ethylene gas - try placing it in your fruit bowl and your fruit will stay fresher for longer.
This then hastens the ripenening process — and you can speed things up further still by placing ANOTHER ethylene - producing item (like a banana) in the bag, too!
Sitting on an 850 - hectare manufacturing site, Dow Chemical's Fort Saskatchewan location is the second largest ethylene - producing facility in the world, after a neighbouring facility in Alberta, also owned by Dow.
By controlling the speed of the ethylene jet, Chen and Yoo alter how rapidly the fuel burns, a measure of its efficiency.
The discovery of new materials for separating ethylene from ethane by adsorption, instead of using cryogenic distillation, is a key milestone for molecular separations because of the multiple and widely extended uses of these molecules in industry.
Manufacturers could extend the lifetime of future cells by replacing the electrolyte ethylene carbonate with more stable solution components.
The direct conversion process produces minimal amounts of ethylene by - product, making the technology more cost - effective than previous approaches.
The chemical name for the plastic you see every day — from water bottles and grocery bags to household appliances — is polyethylene, a pliable material made by stringing together long chains of a simpler molecule called ethylene.
Varying the size of the pores by changing the length of the girders allowed the MOFs to filter ethylene - containing acetylene in concentrations of anywhere from 1 percent to 50 percent, which are typical in industry.
The study — conducted by what was then the Texas Natural Resource Conservation Commission, the EPA and more than 40 other public, private and academic institutions — singled out as culprits VOCs such as ethylene, a flammable gas used mainly in the production of plastics.
Additionally, ethylene and ethanol could serve as the building blocks for a range of consumer goods, and CO2 - derived formic acid could be used by the pharmaceutical industry or as a fuel in fuel cells.
The acetylene is absorbed by a liquid solvent and then reacted to produce ethylene, a longer hydrocarbon chain that is the starting constituent of many plastics, detergents and other products.
Thus, the persistent synergid cell completely loses its pollen tube attracting function by synergetic SE fusion and ethylene signaling.
Dr Andreoli said: «Currently, ethylene is produced at a very high temperature by steam from oils cracking.
Once the molecule is borylated, the boron substituent can be replaced by other substituents, in this case, by an aromatic molecule bearing highly soluble tetra (ethylene glycol) chains (TEG).
Although ethylene (or ethene) is best known as a plant hormone, humans also produce it as consequence of oxidative stress, caused for example by the UV radiation from the sun.
As the name suggests, polyethylenes are made of many copies of ethylene, a simple hydrocarbon building block with two carbon atoms surrounded by four hydrogens.
Traces of ethylene were detected by laser spectroscopy as part of the systemic inflammatory response to bacterial infection, both in isolated blood leukocytes as well as in a controlled experiments with healthy volunteers.
Using liquid chromatography - mass spectrometry (a process that separates complex mixtures and analyzes ingredients by measuring a weight - to - charge ratio), researchers compared the constituent chemicals in the food to standards for common molds, heavy metals and ethylene glycol (or antifreeze, which Goldstein says is the number one cause of kidney failure).
More than 170 million tonnes of ethylene was produced worldwide in 2015 alone, and the global demand is expected to exceed 220 million tonnes by 2020.
The hydrocarbon and oxygen that are also produced by the algae are flammable, and certain safety precautions would have to be put in place to safely collect ethylene.
MEXICO CITY, Mexico (February 2, 2017)-- Reductions of spike - ethylene, a plant - aging hormone, could increase wheat yields by 10 to 15 percent in warm locations, according to a recent study published in New Phytologist journal.
Degradation and cell culture studies on block copolymers prepared by ring opening polymerization of ε - caprolactone in the presence of poly (ethylene glycol).
When hot weather hits a wheat field an increase in ethylene levels can lessen the amount of grains produced on ears or spikes by limiting the export of carbohydrates to pollen development.
K. F. Pfister, S. Baader, M. Baader, S. Berndt, L. J. Goossen Biofuel by isomerizing metathesis of rapeseed oil esters with (bio) ethylene for use in contemporary dieses engines Science Advances 3 (2017), e1602624 DOI: 10.1126 / sciadv.1602624
Regulation of root growth by auxin and ethylene is influenced by phosphate supply in white clover (Trifolium repens L.)
Modulation of plant ethylene levels by the bacterial enzyme ACC deaminase.
Ag - NPs coated with galactose and mannose were considerably less toxic to neuronal - like cells and hepatocytes compared to particles functionalized by glucose, ethylene glycol or citrate.
The ethylene gas produced by bananas quickens the ripening process.
Firm kiwis can be ripened by putting them on the counter near ethylene producing fruits like bananas.
Both are attracted by its sweet taste and ethylene glycol is highly poisonous.
Common causes of poisoning in a cat include eating mice that have been killed by poison, eating slug or snail bait, or drinking ethylene glycol (antifreeze).
Compiled by curators Pierre - Alexandre Mateos and Charles Teyssou the text includes a capitalised «PARAFFIN», «CALCIUM METAPHOSPHATE» and «CHOLESTEROL», as well as «ETHYLENE VINYL ACETATE ISOBUTYLENE TERPOLYMER», «METHOXY - POLYETHYLENE GLYCOL COPOLYMER» and «METHACRYLIC ACID COPOLYMER».
She takes advantage of the ethylene gas emitted by apples as they ripen to suppress sprouting in potatoes.
In the new study, published this week in the Proceedings of the National Academy of Sciences, a team led by Berkeley Lab scientist Peidong Yang discovered that an electrocatalyst made up of copper nanoparticles provided the conditions necessary to break down carbon dioxide to form ethylene, ethanol, and propanol.
The American Chemistry Council has counted $ 30 billion - worth of new investments that will boost ethylene capacity by a third.
«Carbon dioxide and 1 - MCP inhibit ethylene production and respiration of pear fruit by different mechanisms ``
Home: From the lumber framing your house (planted, harvested and transported by machines powered by gasoline and diesel) to the vinyl siding and flooring (derived from ethylene, which comes from crude oil) to the very roof over your head (most roofs are protected by shingles covered in asphalt, a byproduct of the refining process that provides durability), energy makes your home safer and more comfortable in numerous ways.
«the largest impact on global warming was caused by the processing of LDPE (low - density polyethylene, a thermoplastic made from the monomer ethylene) used in tampon applicators as well as in the plastic back - strip of a sanitary napkin requiring high amounts of fossil fuel generated energy.
In 1997 the company was charged with contaminating local groundwater supplies by discharging between 19 to 47 million pounds of ethylene dichloride (EDC), a suspected human carcinogen, into a local stream.
Interestingly, the ethylene emitted by apples suppresses the sprouting process in potatoes, which means it's smart to store them together.
Ethoxylated surfactants and 1,4 - dioxane: Never listed because it's a by - product made from adding carcinogenic ethylene oxide to make other chemicals less harsh.
To pull this off they stack tomatoes in large warehouses on palates and pump in ethylene gas (a naturally occurring gas created by vegetation, in this case created by petroleum) to trick the tomatoes into ripening.
It is made by combining ethylene (made from natural gas or petroleum) and benzene (made from petroleum) to produce ethylbenzene, which is then dehydrogenated to form styrene in a process that produces byproducts benzene and toluene.
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