Sentences with phrase «hydrocarbon chains»

"Hydrocarbon chains" refers to a series of carbon atoms connected together, with hydrogen atoms attached to them. It is a basic structure found in various fuels and oils, such as gasoline or natural gas. Full definition
Fatty acids are long hydrocarbon chains consisting of single carboxylic acid group and are not very soluble in water.
It also allowed the zeolites to convert 60 % of the longer hydrocarbon chains into five key chemical starting materials: benzene, toluene, xylene, propylene, and ethylene.
The second - stage reaction strips off the fatty acids» carboxyl group (a carbon atom, two oxygen atoms, and a hydrogen atom) and breaks the remaining hydrocarbon chains into smaller fragments, yielding a light oil.
Instead, an energy - producing «hydrocarbon pool» mechanism allows the zeolite catalysts to directly produce longer hydrocarbon chains from the original alcohols.
6 The most common plastic, polyethylene — composed of sprawling hydrocarbon chains — is used in grocery bags and bottles.
When the researchers applied a positive electric potential, the plate yanked down on the carboxylic acids, exposing their water - repelling hydrocarbon chains.
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.
These are composed of three fatty acid hydrocarbon chains bonded to a glycerol backbone.
In our earlier works involving water droplets coated with hydrocarbon chains (12C, dodecanoic acid) we found that these particles prefer an inverted micelle structure with an aqueous core and a hydrophobic surface.
First, the researchers tagged each molecule with a pair of long hydrocarbon chains.
The most popular matrix for herbal products analysis is reversed - phase column, a silica - based matrix to which a hydrocarbon chain of specified length is chemically bonded.
For example, an olfactory sensory receptor neuron may respond to a hydrocarbon chain of a particular length or a specific functional group like an alcohol or aldehyde.
UOP, a Honeywell Company, has developed such a «green diesel» by heating vegetable and animal oils to add hydrogen atoms to the long hydrocarbon chains, under the aegis of DARPA.
They are branched β - hydroxylated fatty acids with two long hydrocarbon chains.
Structural hallmarks are mycolic acids, branched beta - hydroxy fatty acids with two long hydrocarbon chains.
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.
When liquid fuel is the goal, then the ethylene is chemically bound together to form even longer hydrocarbon chains that we know as gasoline or kerosene (jet fuel).
The laboratory experiments also yield a large amount of a brownish polymer that seems to consist mainly of long hydrocarbon chains.
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.
The surfaces onto which the gold clusters were deposited are a base of gold with a monolayer of molecules containing a hydrocarbon chain and terminated with different functional group, such as - CH3, - CF3 or - COOH.
Saturated fats are solid at room temperature because the hydrocarbon chains are closer together.
Seaman explains that when CLEAN+GREEN is sprayed on a surface, it shears the hydrocarbon chain of an odor source, and then encapsulates the odor source, which immediately eliminates the odor.
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