How to turn that trend around has been the subject of intense study and debate.
Decadal climatic variations are the subject of intense study by climatologists and paleoclimatologists.
Henceforth, its round complexity has been the subject of intense study.
DNA methylation has been proposed to be important in many biological processes and is the subject of intense study.
Both are the subject of intense study, and both remain deeply mysterious.In this section Absence of evidence, or evidence of absence?
The molecular basis of the organogenesis, homeostasis, and tumorigenesis of the adrenal cortex has been the subject of intense study for many decades.
Epicontinental seismicity is currently a subject of intense study by geologists and engineers, particularly relative to triggering mechanisms, epicentral areas, and recurrence intervals.
Such control is achieved by the method of crystal growth known as epitaxy, and that makes this method the subject of intense study.
Self-propelled catalytic micro- and nanomotors have been the subject of intense study over the past few years, but it remains a continuing challenge to build in an effective speed-regulation mechanism.
The element uranium became the subject of intense study and broad interest after German chemists Otto Hahn and Fritz Strassmann discovered in late 1938 the phenomenon of nuclear fission in uranium bombarded by slow neutrons.
The dynamics and evolution of rifts and continental rifted margins have been the subject of intense study and debate for many years and still remain the focus of active investigation.
