The phrase "a class of widely" is not correct and seems incomplete in written English.
It may be intended to describe a category or group that is broadly recognized or accepted, but it lacks clarity and context.
Example: "The study focused on a class of widely recognized theories in psychology."
Alternatives: "a category of widely" or "a group of widely".
Tebuconazole (1) belongs to a class of widely utilized plant fungicides, mostly in vineyards.
As a class of widely observed materials in nature, hierarchical micro structures maybe of superior mechanical properties.
A class of widely used plastic-damage models for concrete employ the Lubliner yield criterion, whose properties in triaxial stress states have not received due attention.
Although the specific compounds responsible for the antimicrobial activity have not been identified, chemical analysis confirms the presence of terpenoids, a class of widely occurring organic chemicals that are being investigated for their potential use as antimicrobial drugs.
The molybdenum cofactor (Moco) is found in a class of widely distributed proteins collectively known as molybdoenzymes.
As this is one of a class of widely used industrial solvents, we investigated the teratogenicity of five structurally related compounds.
Concern is also mounting over a class of chemicals widely used in refrigerants and air-conditioning units.
The A.S.R. belonged to a class of once widely used hip replacements whose cup and ball components were both made of metal.
Epidermal growth factor receptor inhibitors (EGFR-TKIs) represent a class of compounds widely used in anticancer therapy.
The first element can be considered as representative of a class of elements widely available to design engineers for nonlinear (either static or dynamic) analyses.
But the other, which the group labeled GPRA, has generated ripples of excitement: It produces a so-called G protein-coupled receptor, which belongs to a class of molecules widely used as drug targets.
