Sentences with word «alkane»

Garcia - Bosch and Siegler reported their findings in the article «Copper - Catalyzed Oxidation of Alkanes with H2O2 under a Fenton - like Regime,» published in the international edition of the journal Angewandte Chemie.

They also avoid using silicones and opt for coconut alkanes instead.

However, the same effect was not expected in liquid alkanes because of the lack of periodic structures in liquids.

Conversion of microcrystalline cellulose to liquid alkanes with the biphasic system in function of time and temperature.

Again, the first one stripped off hydrogens from adjacent carbon atoms in both the long polyethylene chains and short alkanes to form double bonds; the second split the molecules and randomly stitched split molecules back together.

In an article published today in the Proceedings of the National Academy of Sciences titled «Solar photothermochemical alkane reverse combustion,» the researchers demonstrate that the one - step conversion of carbon dioxide and water into liquid hydrocarbons and oxygen can be achieved in a photothermochemical flow reactor operating at 180 to 200 C and pressures up to 6 atmospheres.

Perth - based exploration junior Alkane Exploration NL is on the point of proving up the marketability of product from its 100 per cent held Dubbo Zirconia project, located twenty kilometres south of Dubbo and 400 km north - west of Sydney.

Gold producer Alkane Resources has raised $ 10.4 million through a placement of 40 million shares to institutional and sophisticated investors.

But University of Utah engineers have developed a new type of fiber material for a handheld scanner that can detect small traces of alkane fuel vapor, a valuable advancement that could be an early - warning signal for leaks in an oil pipeline, an airliner, or for locating a terrorist's explosive.

Anaconda Nickel Limited has cast its net farther into the prospective base metals pool by farming into the Tottenham nickel - cobalt laterite project owned by Perth - based Alkane Exploration NL.

PERTH - based junior gold producer Alkane Exploration NL plans to become a significant player in the zirconia industry.

Called alkane metathesis, the technique combines two catalytic reactions to cut up relatively low - value hydrocarbon chains and recombine them into chains of useful lengths.

Like Alkane Dust, they tend to appear at random on the edges of walkways or sitting under structural outrcroppings, so be sure to keep a keen eye on them.

Alkane Dust: Similar to the original Destiny, there are planetary materials to look out for as you roam.

Alkane hydrocarbons (propane, isobutane, and n - butane) from liquefied petroleum gas (LPG) are present in major quantities throughout Mexico City air because of leakage of the unburned gas from numerous urban sources.

Currently, there are no small, portable chemical sensors to detect alkane fuel vapor because it is not chemically reactive.

An electrical current changes the ability of modified alkanes to wet a surface, without altering their chemical identity.

The research, «Dynamic Odd - Even Effect in Liquid n - Alkanes near Their Melting Points,» has been published in the German publication Angewandte Chemie International Edition.

However, a rather distinct odd - even effect of the liquid alkane dynamics was discovered.

When he and his colleagues at Scripps and Brigham Young University ran a methane reaction with thallium — a main group metal — alkanes pushed the solvent molecules aside 22 orders of magnitude faster than when the reaction was run with iridium, reducing the overall energy required by about one - third, they report online today in Science.

Most are made with a lot of plastic - that's how you get that silky feel - but ours uses coconut alkanes [plant derived silicones].»»

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

The powerpoint covers: Boiling point, Solubility and Volatility linked to hydrogen bonding of alcohols Graph drawing task to illustrate BP of alcohols vs alkanes Classifying alcohols into primary, secondary and tertiary alcohols Snap plenary task for alcohols.

The main areas covered in this work booklet are: Alkanes Alkenes Fractional distillation Cracking Polymerisation Burning Alcohols Organic acids Oil Within the booklet are a range of different activities for students to work through to help them remember the content.

Today, Alkane which I'm at 24 and not a single blue.

The catalysts are derived from an environmentally benign cyanobacterium that exists naturally in the wild, and Joule has redirected the metabolism of multiple strains for the production of specific products, including ethanol and diesel - range alkanes — an industry first.

Given that higher alkanes have weaker C — H bonds, this is a lower limit, and it may be that abstraction of a hydrogen atom from larger hydrocarbons can also contribute to MSA in air.

Turning electricity plus cheaply - captured carbon into nice, dense liquid alkanes truly gets rid of the storage problem.

Formulated without silicones, its hydrating coconut alkanes and antioxidant - rich technology provides comfort, as well as leaving skin looking radiant.

Perth - based Alkane Resources has announced plans to raise up to $ 16 million from investors to progress its Dubbo zirconia project in New South Wales.

These catalysts, developed by University of North Carolina, Chapel Hill, chemist Maurice Brookhart and colleagues, are normally used to link short hydrocarbons, called alkanes, together into longer — and more valuable — hydrocarbon chains, such as those found in diesel fuel.

He can already make some molecules — like alkanes and long - chain alcohols — that look as if they might work well as components of a good gasoline substitute.

This new composite material will be incorporated into the sensor array to include the detection of alkanes.

Alkane fuel is a key ingredient in combustible material such as gasoline, airplane fuel, oil — even a homemade bomb.

To find out, they mixed polyethylene waste such as garbage bags with short liquid alkanes and then added in the two catalysts.

Alkane Resources has hired Finnish technology services supplier Outotec to provide early contractor involvement work at its Dubbo zirconia project in New South Wales.

Solvent - based paints can contain varying levels of substances that can be harmful, such as white spirit, xylene, toluene and alkanes.

«When an alkane is present, it sticks in between the two materials, blocking the electron transfer between the two nanofibers.»

These fuel oils are forms of alkane.

That kind of interaction would then signal the detector that the alkane vapor is present.

In other words, the microbes don't eat the alkanes in the hydrocarbon plume in less than a week; rather these compounds get diluted among all the trillions of gallons of seawater in the Gulf.

In fact, the alkanes in these samples lasted, at best, roughly six days in the presence of microbes.

Alkanes, for instance — a hydrocarbon easily digested by such bacteria — could be consumed in as little as a day.

«Oil is extremely complicated but it has two major compounds: alkanes, which are relatively easy for bacteria to break down, and aromatic hydrocarbons, which are much trickier to get rid of,» Dombrowski said.

The wax lipids comprise n - alkanes, i.e. long - chain hydrocarbons, that are produced by plants to protect their leaves.

«By changing one carbon atom in the backbone of an alkane molecule, we can make it flow 30 times faster.»

They had predicted that all alkanes have a universal viscosity near their melting points.