Sentences with phrase «amount of ethylene»

Any amount of ethylene glycol is dangerous.
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.
Depending on manufacturing processes, PEGs may be contaminated with measurable amounts of ethylene oxide and 1,4 - dioxane, which are both carcinogens.
Seasonal snow globes also contain small amounts of ethylene glycol in the liquid.

Not exact matches

It also contains small amounts of an acidified zirconium salt of a weak acid (acetic acid) and ethylene diamine tetra acetic acid (EDTA) to stabilize the emulsion.
«They reduced the amount of acetylene in ethylene down to less than 2 parts per million (ppm), which is lower than the 5 ppm that polyethylene manufacturing requires,» said NIST materials scientist Wei Zhou.
The conventional industrial solution is to convert this undesirable acetylene into ethylene as well, but this step requires the use of palladium, an expensive and rare metal, as a catalyst and consumes a significant amount of energy.
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.
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.
Even small amounts of antifreeze (ethylene glycol) can kill dogs within hours.
«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.
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