The phrase "a considerable progress in" is not correct in standard written English.
The correct form should be "considerable progress in" without the article "a."
Example: "We have made considerable progress in our research over the past year."
Alternatives: "significant progress in" or "substantial progress in."
A considerable progress in the growth and process technology of these devices has been achieved.
A considerable progress in the application of ion transport membrane technology in the area of gas separation in industry is achieved [5].
Despite a considerable progress in food industry in Iran during the past two decades, a few reliable data are available on contamination levels of milk and other dairy products with AFM1.
Nonetheless, these fundamental questions have been addressed in recent times by several research groups of vastly different expertise leading to a considerable progress in the field of organic white-light emitters.
The redox responsive nanocarriers have made a considerable progress in achieving triggered drug release by responding to the endogenous occurring difference between the extra- and intra- cellular redox environments.
Recently, there has been a considerable progress in the development of poly amide imide)s (PAIs) for various commercial applications (such as gas separation, nanofiltration, osmotic power generation and pervaporation) due to their outstanding characteristics, combining high mechanical strength, melt processability, thermal resistance and wide chemical resistance.
Along with the discovery of tumor-driven inflammatory pathways, there has been a considerable progress over the past 10 years in understanding the mechanisms leading to cancer immunosurveillance and immunoediting.
Georgian media take more caution now when reporting on children TBILISI, 13 November 2013 - A considerable progress has been achieved in observing ethical standards while reporting on children.
A considerable progress has already been achieved in this field but the available technical designs are not adequate to develop reliable wave energy converters.
The German experience indicates that, with a concerted effort, considerable progress in building a national applied infectious disease program can be achieved in a short time frame.
Although agent based approaches for generating a scenario have made considerable progress in the last decade (Bosch, Brandenburgh, Muller, & Heuvelink, 2012), there are still some problems to solve to achieve realistic simulations in which the degrees of freedom are suitable (Muller, Heuvelink, van den Bosch, & Swartjes, 2012).
