The phrase "above substances" is correct and usable in written English.
It can be used when referring to substances that have been mentioned earlier in a text or discussion.
Example: "The effects of the above substances on human health are still being studied."
Alternatives: "previously mentioned substances" or "aforementioned substances".
It was found that Pb and Tl adsorbates markedly catalyze the reduction of the above substances.
The polarographic behaviour of the above substances in methanol presents remarkable similarities with that in aqueous buffered solutions.
Novel composite materials comprising of okra hydrocolloids and hydroxyapatite of potential interest for the field of bone engineering have been prepared using various ratios of the above substances.
Unlike the above substances, Xanax makes me docile and content.
After the addition of the above substances, alterations in the RTM were expressed as the change from the starting value.
For this, we devised specific exposure questionnaires, which were targeted at being able to get quantitative exposure estimates to the above substances.
Based on a modular design strategy, three new types of tartaric acid, lactic acid and TADDOL derived compounds featuring a linear shaped central backbone and terminally attached functional units corresponding to the above substance classes have been developed.
The present work reports the anaerobic fermentation of the organic humid fraction of solid municipal biowaste carried out in the presence the above soluble substances, added at 0.05 0.2% concentration in fermentation slurry.
A scenario analysis was chosen because the effluent waste from the manufacturers may contain different combinations of the above mentioned substances depending upon the usage during the machining process.
Contrary, in our late works [ 12, 14] with the aid to study the season changes in bioenergetics parameters of LLM, we removed the above mentioned substances from the isolation/incubation procedure.
Although little is known in the medical literature about the anti-appetite effect of the above cited substances, we can make the hypothesis that the weight gain following smoking cessation could be a 'rebound effect' of discontinuation of the daily consumption of an anti-appetite substance through cigarette smoking, as it is known for the use of other anti-appetite substances.
