Sentences with phrase «of ethylene»

Seasonal snow globes also contain small amounts of ethylene glycol in the liquid.

Moving forward, the team will continue to work on their device to scale up the production of ethylene as well as employ similar systems to produce liquid fuels such as ethanol and propanol.

There is a very small range of margin of toxicity with ethylene glycol, which means that only a small amount of ethylene glycol is needed to cause illness or death.

For example, avocados and bananas are two fruits that emit high levels of ethylene gas so they're good to stick next to unripe fruit to speed up the process.

When you want certain fruits to mature faster, simply store them on the counter (or in a plain paper bag) with other fruits that emit high levels of ethylene gas.

It is proposed as a replacement for oxygen - barrier films that rely on the use of ethylene vinyl alcohol copolymer (EVOH) or nylon MXD6, which lose their barrier properties when exposed to water.

The polyamide doubles the efficiency of ethylene formation achieving one of the highest rates of conversion ever recorded in standard bicarbonate water solutions.»

Ceteareth 6 is a polyoxyethylene ester where the «6» indicates the average number of ethylene oxide residues in the polyethylene chain.

Kidney failure may occur 24 — 72 hours after ingestion of ethylene glycol.

The use of ethylene in the ripening of fruits and vegetabIes has received considerable publicity and has been used to a limited extent commercially during the past 3 years.

The latest systems are constructed of polyethylene with a barrier material of ethylene vinyl alcohol (EVOH) copolymer in order to hold wine without impairing its quality.

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.

The image at right depicts a cold jet of ethylene (a hydrocarbon similar to that found in automotive gasoline) combusting in hot air.

When inspecting the degraded plastic films, the team also found traces of ethylene glycol, a product of polyethylene breakdown, signaling true biodegradation.

The prototype device designed to carry out the reaction achieved a 30 per cent faradaic efficiency of ethylene based on the amount of electrons generated from solar energy.

The current method also leaves a significant carbon footprint, emitting about two tonnes of carbon dioxide for every tonne of ethylene produced.

That would be a significant improvement over steam cracking, which generates between 1 1/2 and 3 tons of carbon dioxide per ton of ethylene, according to the researchers» own analysis.

Last June, Shell announced that Shell Chemical Appalachia LLC had taken the final investment decision to build the complex, which will be comprised of an ethylene cracker with polyethylene derivatives unit.

Last June, Shell announced that Shell Chemical Appalachia LLC had taken the final investment decision to build the complex, which will be comprised of an ethylene cracker with polyethylene derivatives unit.

Oxalic acid, the final metabolite of ethylene glycol, binds to calcium in the blood to form calcium oxalate crystals.

An analysis of the calls made to the ASPCA Animal Poison Control Center show that the number of ethylene glycol (EG) antifreeze cases is fairly static throughout the year, with the exception of a small spike in December.

Spilled antifreeze should be cleaned immediately; even in very small quantities this can be highly toxic to both dogs and cats because of the ethylene glycol.

From a technician's standpoint «engine coolant» would be referring to the 50/50 mix of ethylene / polypropylene glycol and water.

EIN2 protein binds to the messenger RNA of the ethylene circuit breaker EBF2, incapacitating its protein synthesis, and thus allowing for a full activation of plant ethylene responses.

The researchers show that, when ethylene is perceived, transcription of certain genes that function as circuit breakers of ethylene signaling occurs, but protein production becomes restricted until ethylene is removed.

Food safety officials in Telangana conducted a surprise raid at Kothapet fruit market, Hyderabad unearthing the rampant use of ethylene powder, a toxic chemical imported from China, and other carcinogenic chemicals to artificially ripen mangoes.

Bipolar ions are very effective at breaking down ethylene, eliminating the odors and also improving the shelf life of produce, as less saturation of ethylene gas will forestall the spoilage process.

The Texas plant upgraded the design of its ethylene furnaces and saved more than 67 million btu / hr fuel savings via the new system.

DuPont is the world's largest producer of ethylene acrylic acid and methacrylic acid copolymer resins.

Bananas produce a lot of ethylene.

In this model, blue and green represent formaldehyde, a by - product of ethylene ignition.

By controlling the speed of the ethylene jet, Chen and Yoo alter how rapidly the fuel burns, a measure of its efficiency.

Indeed, in competitive adsorption experiments, the zeolite preferentially adsorbed ethylene from a mixed stream of ethylene and ethane.

But here to the devil is in the detail: A small amount of ethylene carbonate is required in current systems to pacify the anode.

The direct conversion process produces minimal amounts of ethylene by - product, making the technology more cost - effective than previous approaches.

Adding transition metals such as iron and cobalt can promote the oxidation of the ethylene polymers and claims for the degradability or biodegradability of these materials are widespread on food packaging and plastic bags.

In a paper published in the journal Cell, North Carolina State University researchers show how plants handle — at the molecular level — the release of ethylene, an important gaseous stress hormone that, among other functions, regulates plant growth and stimulates the fruit ripening process.

Top of the list are measures to minimise the exposure of workers to «potentially hazardous chemicals», and efforts to speed up the banning of ethylene glycol ethers from chip manufacture.

Because every part of the ethylene monomer is included in the finished polymer, the free radical polymerization of polyethylene is referred to as an addition polymerization; the ethylene molecules are simply added together.

To begin, we need to add a catalyst to our supply of ethylene.

As a proof - of - concept for the new antenna - reactor catalysts, Swearer, Halas and colleagues conducted acetylene conversion tests at LANP and found that the light - driven antenna - reactor catalysts produced a 40 - to - 1 ratio of ethylene to ethane, a significant improvement in selectivity over thermal catalysis.

Pappas began his career at The Dow Chemical Company, and then in 1996 he joined DuPont Dow Elastomers, where he held several leadership positions, initially as vice president of ethylene elastomers and from 1999 onward as commercial vice president.

Solutions of ethylene glycol and propylene glycol, which are used on runways and aircraft, push the freezing point of ice down to -13 degreeC and -59 degreeC respectively.

Catalysts connect millions of these ethylenes into long chains, which can be linear or branching, affecting the rigidity, toughness, and density of the finished products.

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.

Current industrial production of ethylene employs steam cracking of fossil fuels at between 750 °C to 950 °C, which consumes a large amount of energy and poses a strain on natural fuel resources.

The novel method, which produces ethylene at room temperature and pressure using benign chemicals, could be scaled up to provide a more eco-friendly and sustainable alternative to the current method of ethylene production.

Even if the cyanobacteria can create large volumes of ethylene, their success will depend on whether the product can become cost - competitive.