The phrase "a mixture of heavy" is not correct and lacks clarity in written English.
It may be intended to describe a combination of heavy items or substances, but it needs additional context to be meaningful.
Example: "The recipe calls for a mixture of heavy cream and milk to achieve the desired texture."
Alternatives: "a blend of heavy" or "a combination of heavy".
The aim of this work is to ascertain the potentials of different agroforestry wastes to be used as biosorbents in the removal of a mixture of heavy metals.
But the low permeability of shale made removing oil and gas difficult, and tar sands contain a mixture of heavy oil, sand, and clay that's viscous and hard to handle.
Because of its high concentrations of yttrium and heavy lanthanides, xenotime is used as a source material for the individual rare-earth elements rather than being used as a mixture of heavy rare earths.
The photocatalytic activity, tested by measuring the degradation of adsorbed methylene blue (MB) and of a heptane-extracted bitumen fraction (BF) containing a mixture of heavy aromatic hydrocarbons, is fully maintained upon several numbers of impregnation photodegradation cycles.
Four potential extraction zones of Mercier DNAPL, a mixture of heavy aliphatics, aromatics and chlorinated hydrocarbons, were identified but only one microemulsion zone showed satisfactory DNAPL recovery in sand columns.
The focus was a mixture of heavy crude oil (3400 mPa s, 970 kg/m3 at 20 °C), water an air at several combinations of the individual flow rates.
These compounds are fed into a reactor, where, under the influence of a sulfuric-acid or hydrofluoric-acid catalyst, they combine to form a mixture of heavier hydrocarbons.
A study is presented of the stripping of pentane from both a mixture of heavier n-paraffins (C10 C13) and of sunflower seed oil.
Although Canada has reduced the use of heavy fuel oil for power generation, in some parts of Canada the power industry still uses heavy fuel oil or a mixtures of heavy fuel oil and petroleum coke.
The other ingredient the "tar"—is a mixture of very heavy hydrocarbons known as bitumen.
The other ingredient — the "tar" — is a mixture of very heavy hydrocarbons known as bitumen.
