"less amounts of" is correct and usable in written English.
You can use it when referring to a decrease or decrease in quantity. For example, "Due to budget cuts, the company had less amounts of resources to work with."
The studies of EV-exposed epitopes via glycomics microarrays demanded significantly less amounts of isolated EVs.
Other drivers – most of whom worked significantly less amounts of time – would receive an average of $53.02.
The sectional excitation enabled the prototype to achieve a higher output thrust density with less amounts of PZT ceramics.
The dissociation of smaller amounts of ozone entails the production of less amounts of O 1D) destroying a smaller quantity of water vapor.
Soils with higher CEC exhibited less amounts of Sr2 + in water soluble fraction, furthermore, the increase of soil pH provoked redistribution of Sr2 + from exchangeable to carbonate and Fe,Mn-oxide fraction.
The transmission electron microscopy (TEM) combined with 3D atom probe tomography (APT) observed plenty of block austenite (30%) with dispersed precipitation in CR-QPT steels, while less amounts of film austenite (18%) with a higher density of nanoprecipitates were found in HR-QPT steels.
The proposed circuit also requires less amount of power.
The more veteran guys retire, the less amount of people come to the games.
So, if Hillary is there, you're going to have a far less amount of fuel.
High syngas selectivity was attained by using a less amount of diluent in the catalyst bed.
Yet, she noted, "We're paying that same tuition with less amount of learning".
